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wip debug sigs

JJ: Description from source commit:
wip debug
This commit is contained in:
swrup 2026-02-07 00:11:25 +01:00
parent 6af4f57d20
commit 23a3efed19
166 changed files with 66 additions and 17466 deletions
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0
.jjconflict-base-0/.gitignore → .gitignore vendored
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262
.jjconflict-base-0/src/http_keys.ml
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@ -1,262 +0,0 @@
open Syntax
open Api
module String_map = Stdlib.Map.Make (Stdlib.String)
(* TODO
for now we only have one item in each "denom group"
change this once we have denom/signkey rotation *)
let denomgroup_of_denomdata
Denom_data.
{
pub;
value;
stamp_start;
stamp_expire_withdraw;
stamp_expire_deposit;
stamp_expire_legal;
fee_withdraw;
fee_deposit;
fee_refresh;
fee_refund;
age_mask= _;
h_pub= _;
master_sig;
revoked_sig= _;
} =
let master_sig = match master_sig with None -> assert false | Some v -> v in
let denoms =
[
RsaDenom.
{
rsa_pub= pub;
master_sig;
stamp_start;
stamp_expire_withdraw;
stamp_expire_deposit;
stamp_expire_legal;
lost= None;
};
]
in
DenomGroup.Rsa
RsaDenomGroup.
{ denoms; value; fee_withdraw; fee_deposit; fee_refresh; fee_refund }
let mk_keys ~db_conn (module Sm : Secmod.S) ~last_issue_date =
let version = Api.protocol_version in
let base_url = Config.base_url in
let currency = Config.currency in
let shopping_url = Config.shopping_url in
let open_banking_gateway = Config.open_banking_gateway_url in
let bank_compliance_language = Config.bank_compliance_language in
let currency_specification =
let v = Config.Currency.v in
let alt_unit_names =
Parse_config.Alt_unit_names.encode_exn v.alt_unit_names
in
CurrencySpecification.
{
name= v.name;
num_fractional_input_digits= v.fractional_input_digits;
num_fractional_normal_digits= v.fractional_normal_digits;
num_fractional_trailing_zero_digits= v.fractional_trailing_zero_digits;
alt_unit_names;
common_amounts= [];
}
in
let tiny_amount = Config.tiny_amount in
let stefan_abs = Config.stefan_abs in
let stefan_log = Config.stefan_log in
let stefan_lin = Config.stefan_lin in
(* todo asset_type
Type of the asset. "fiat", "crypto", "regional" or "stock". *)
let asset_type = "xxx" in
let* accounts = Pg.get_wire_accounts db_conn |> unwrap_err_caqti in
let* wire_fees =
(* todo
where does wire_methods comes from? *)
let wire_method = "xxx" in
let+ wire_fees =
Pg.get_wire_fees db_conn ~wire_method |> unwrap_err_caqti
in
String_map.singleton wire_method wire_fees
in
let wads =
(* TODO wads *)
[]
in
let rewards_allowed = false in
let kyc_enabled = false in
let disable_direct_deposit = (* todo *) false in
let master_public_key = Config.master_public_key in
let reserve_closing_delay = Config.Exchangedb.idle_reserve_expiration_time in
(* todo *)
let wallet_balance_limit_without_kyc = None in
let hard_limits = [] in
let zero_limits = [] in
let denom_data_l =
(* TODO sm-db *)
(*Pg.get_denominations db_conn |> unwrap_err_caqti *)
Sm.get_denoms_data ()
in
let denom_data_l =
(* reverse chronological order *)
List.sort
(fun a b -> Stdlib.compare b.Denom_data.stamp_start a.stamp_start)
denom_data_l
in
let list_issue_date =
match denom_data_l with
| [] -> Time.Timestamp.never
| v :: _ -> v.Denom_data.stamp_start
in
let denominations =
let open Denom_data in
(* if `?last_issue_date` query param does not exactly match the `stamp_start`
of one of the denomination keys, all keys are returned *)
let l =
match last_issue_date with
| None -> denom_data_l
| Some last_issue_date -> (
match
List.find_opt
(fun v ->
Time.Timestamp.compare v.stamp_start last_issue_date = 0)
denom_data_l
with
| None -> denom_data_l
| Some _ ->
List.filter
(fun v ->
Time.Timestamp.compare v.stamp_start last_issue_date >= 0)
denom_data_l)
in
List.map denomgroup_of_denomdata l
in
let signkeys =
(* TODO sm-db
use database signkey data / verify secmod and database are in sync *)
(*
let now = Ptime_clock.now () |> Option.some in
let+ signkey_data_l = Pg.get_active_signkeys db_conn ~now |> unwrap_err_caqti in*)
let signkey_data_l = Sm.get_signkeys_data () in
let signkey_data_l =
List.sort
(fun a b ->
let open Signkey_data in
Stdlib.compare b.stamp_start a.stamp_start)
signkey_data_l
in
List.filter_map
(fun Signkey_data.
{
pub;
stamp_start;
stamp_expire;
stamp_end;
master_sig;
revoked_sig= _;
} ->
match master_sig with
| None -> None
| Some master_sig ->
Some
SignKey.
{ key= pub; stamp_start; stamp_expire; stamp_end; master_sig })
signkey_data_l
in
let exchange_pub =
(* the eddsa pub key used to sign exchange_sig *)
match signkeys with
| [] -> Fmt.failwith "exchange has no active signkey"
| v :: _ -> v.SignKey.key
in
let exchange_sig =
(* Compact EdDSA signature (binary-only) over the
contatentation of all of the master_sigs (in reverse
chronological order by group) in the arrays under "denominations". *)
let hc =
denom_data_l
|> List.filter_map (fun v -> v.Denom_data.master_sig)
|> List.map Signatures.DenominationKeyValidity.to_octets
|> String.concat ""
|> Hash.H64.hash
in
let open Signatures.ExchangeKeySet in
sign_f ~f:(Sm.sign_with_signkey ~pub:exchange_pub) R.{ list_issue_date; hc }
in
let recoup = (* TODO /recoup *) [] in
let* global_fees =
Pg.get_global_fees db_conn ~start_date:Timestamp.zero |> unwrap_err_caqti
in
let* auditors =
(* TODO /auditors/$AUDITOR_PUB/$H_DENOM_PUB *)
(* does not contains auditor_keys with empty denomination_keys *)
Pg.get_auditor_keys db_conn
in
let extensions = None in
let extensions_sig = None in
Ok
ExchangeKeysResponse.
{
version;
base_url;
currency;
shopping_url;
open_banking_gateway;
bank_compliance_language;
currency_specification;
tiny_amount;
stefan_abs;
stefan_log;
stefan_lin;
asset_type;
accounts;
wire_fees;
wads;
rewards_allowed;
kyc_enabled;
disable_direct_deposit;
master_public_key;
reserve_closing_delay;
wallet_balance_limit_without_kyc;
hard_limits;
zero_limits;
denominations;
exchange_sig;
exchange_pub;
recoup;
global_fees;
list_issue_date;
auditors;
signkeys;
extensions;
extensions_sig;
}
let jsont = ExchangeKeysResponse.jsont
(* TODO query param ?last_issue_date *)
let f req server _env =
Logs.info (fun m -> m "GET /keys/");
let db_conn = Vif.Server.device Devices.db_connection server in
let sm = Vif.Server.device Devices.secmod server in
let res =
let* last_issue_date =
match Vif.Queries.get req "last_issue_date" with
| [] -> Ok None
| v :: _ -> (
match int_of_string_opt v with
| None ->
Error
"invalid `?last_issue_date` query param, int_of_string failure"
| Some n -> Ok (Some (Time.Timestamp.of_s (Int64.of_int n))))
in
let* v = mk_keys ~db_conn sm ~last_issue_date in
let s = Api.encode_exn jsont v in
Ok s
in
Respond_util.respond_with_res res req

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.jjconflict-base-0/src/http_management.ml
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@ -1,749 +0,0 @@
open Syntax
open Api
open Hash
module Keys_get = struct
let mk_future_denom (module Sm : Secmod.S) ~section_name
({
pub;
value;
stamp_start;
stamp_expire_withdraw;
stamp_expire_deposit;
stamp_expire_legal;
fee_withdraw;
fee_deposit;
fee_refresh;
fee_refund;
age_mask;
h_pub;
master_sig= _;
revoked_sig= _;
} :
Denom_data.t) =
let denom_pub =
DenominationKey.of_rsa RsaDenominationKey.{ age_mask; rsa_pub= pub }
in
let denom_secmod_sig =
let open Signatures.DenominationKeyAnnouncement in
let h_denom_pub = h_pub in
let h_section_name = Hash.Cstring.H64.hash section_name in
let anchor_time = stamp_start in
let duration_withdraw =
Timestamp.diff stamp_start stamp_expire_withdraw
in
sign_f ~f:Sm.sign_with_sm_key
{ h_denom_pub; h_section_name; anchor_time; duration_withdraw }
in
FutureDenom.
{
section_name;
value;
stamp_start;
stamp_expire_withdraw;
stamp_expire_deposit;
stamp_expire_legal;
denom_pub;
fee_withdraw;
fee_deposit;
fee_refresh;
fee_refund;
denom_secmod_sig;
}
let mk_future_signkey (module Sm : Secmod.S)
({
pub;
stamp_start;
stamp_expire;
stamp_end;
master_sig= _;
revoked_sig= _;
} :
Signkey_data.t) =
let signkey_secmod_sig =
let open Signatures.SigningKeyAnnouncement in
let exchange_pub = pub in
let anchor_time = stamp_start in
let duration = Timestamp.diff stamp_start stamp_expire in
sign_f ~f:Sm.sign_with_sm_key { exchange_pub; anchor_time; duration }
in
FutureSignKey.
{ key= pub; stamp_start; stamp_expire; stamp_end; signkey_secmod_sig }
let mk_future_keys_response (module Sm : Secmod.S) =
let future_signkeys =
Sm.get_signkeys_data ()
|> List.filter (fun k -> Option.is_none k.Signkey_data.master_sig)
|> List.map (fun signkey -> mk_future_signkey (module Sm) signkey)
in
let future_denoms =
Sm.get_denoms_data ()
|> List.filter (fun k -> Option.is_none k.Denom_data.master_sig)
|> List.map (fun dn_data ->
let opt = Sm.find_denom_section_name dn_data.Denom_data.h_pub in
match opt with
| None -> Fmt.failwith "section_name not found."
| Some section_name ->
mk_future_denom (module Sm) ~section_name dn_data)
in
let master_pub = Config.Exchange.master_public_key in
let denom_secmod_public_key = Sm.get_sm_key_pub () in
let signkey_secmod_public_key = Sm.get_sm_key_pub () in
FutureKeysResponse.
{
future_denoms;
future_signkeys;
master_pub;
denom_secmod_public_key;
signkey_secmod_public_key;
}
let jsont = FutureKeysResponse.jsont
let f req server _env =
Logs.info (fun m -> m "GET /management/keys/");
let sm = Vif.Server.device Devices.secmod server in
let res =
let v = mk_future_keys_response sm in
let s = Api.encode_exn jsont v in
Ok s
in
Respond_util.respond_with_res res req
end
module Keys_post = struct
let verify_denom_signature (module Sm : Secmod.S)
DenomSignature.{ h_denom_pub; master_sig } =
let* denom =
match Sm.find_denom_data h_denom_pub with
| None ->
Fmt.error
"404 not found, One of the keys for which a signature was provided \
is unknown to the exchange."
| Some denom -> Ok denom
in
let open Signatures.DenominationKeyValidity in
let r : r =
{
master= Config.master_public_key;
start= denom.stamp_start;
expire_withdraw= denom.stamp_expire_withdraw;
expire_spend= denom.stamp_expire_deposit;
expire_legal= denom.stamp_expire_legal;
value= denom.value;
fee_withdraw= denom.fee_withdraw;
fee_deposit= denom.fee_deposit;
fee_refresh= denom.fee_refresh;
denom_hash= h_denom_pub;
}
in
verify_f ~f:Sm.verify_with_master_key master_sig r
let verify_signkey_signature (module Sm : Secmod.S)
SignKeySignature.{ key; master_sig } =
let* signkey =
match Sm.find_signkey_data key with
| None ->
Fmt.error
"404 not found, One of the keys for which a signature was provided \
is unknown to the exchange."
| Some signkey -> Ok signkey
in
let open Signatures.ExchangeSigningKeyValidity in
let r : r =
{
start= signkey.stamp_start;
expire= signkey.stamp_expire;
end_= signkey.stamp_end;
signkey_pub= signkey.pub;
}
in
verify_f ~f:Sm.verify_with_master_key master_sig r
let verify sm MasterSignatures.{ denom_sigs; signkey_sigs } =
let* () = list_iter (verify_denom_signature sm) denom_sigs in
let* () = list_iter (verify_signkey_signature sm) signkey_sigs in
Ok ()
(* TODO move to test *)
let check_master_signatures_update ~db_conn (module Sm : Secmod.S) =
Sm.get_denoms_data ()
|> list_iter (fun denom ->
let error = Error "update_master_signatures sanity check failure" in
let* opt =
Pg.find_denom db_conn denom.Denom_data.h_pub |> unwrap_err_caqti
in
let* v = match opt with None -> error | Some v -> Ok v in
let check = function false -> error | true -> Ok () in
let* () =
check (Timestamp.compare v.stamp_start denom.stamp_start = 0)
in
let* () = check (v.value = denom.value) in
let* () = check (v.fee_refund = denom.fee_refund) in
let* () = check (v.age_mask = denom.age_mask) in
Ok ())
let do_ ~db_conn (module Sm : Secmod.S)
MasterSignatures.{ denom_sigs; signkey_sigs } =
let* () =
signkey_sigs
|> List.map (fun SignKeySignature.{ key; master_sig } ->
(key, master_sig))
|> Sm.add_signkey_master_signatures
in
let* () =
denom_sigs
|> List.map (fun DenomSignature.{ h_denom_pub; master_sig } ->
(h_denom_pub, master_sig))
|> Sm.add_denom_master_signatures
in
let* () = Sm.store () in
let* () = check_master_signatures_update ~db_conn (module Sm) in
Ok ()
let jsont = MasterSignatures.jsont
let f req server _env =
Logs.info (fun m -> m "POST /management/keys/");
let db_conn = Vif.Server.device Devices.db_connection server in
let sm = Vif.Server.device Devices.secmod server in
let res =
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm v in
let* () = do_ ~db_conn sm v in
Ok ""
in
Respond_util.respond_with_res res req
end
module Denom_revoke = struct
let verify (module Sm : Secmod.S) h_denom_pub
DenomRevocationSignature.{ master_sig } =
let open Signatures.MasterDenominationKeyRevocation in
verify_f ~f:Sm.verify_with_master_key master_sig { h_denom_pub }
let do_ ~db_conn (module Sm : Secmod.S) h_denom_pub
DenomRevocationSignature.{ master_sig } =
let* () = Sm.revoke_denomination h_denom_pub master_sig in
let+ () =
Pg.insert_denomination_revocation db_conn h_denom_pub master_sig
|> unwrap_err_caqti
in
()
let jsont = DenomRevocationSignature.jsont
let f req h_denom_pub server _env =
Logs.info (fun m -> m "POST /management/denominations/$H_DENOM_PUB/revoke/");
let db_conn = Vif.Server.device Devices.db_connection server in
let sm = Vif.Server.device Devices.secmod server in
let res =
let* h_denom_pub = DenominationHash.of_b32 h_denom_pub in
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm h_denom_pub v in
let* () = do_ ~db_conn sm h_denom_pub v in
Ok ""
in
Respond_util.respond_with_res res req
end
module Signkey_revoke = struct
let verify (module Sm : Secmod.S) exchange_pub
SignkeyRevocationSignature.{ master_sig } =
let open Signatures.MasterSigningKeyRevocation in
verify_f ~f:Sm.verify_with_master_key master_sig { exchange_pub }
let do_ ~db_conn (module Sm : Secmod.S) exchange_pub
SignkeyRevocationSignature.{ master_sig } =
let* () = Sm.revoke_signkey exchange_pub master_sig in
let+ () =
Pg.insert_signkey_revocation db_conn exchange_pub master_sig
|> unwrap_err_caqti
in
()
let jsont = SignkeyRevocationSignature.jsont
let f req exchange_pub server _env =
Logs.info (fun m -> m "POST /management/signkeys/$EXCHANGE_PUB/revoke/");
let db_conn = Vif.Server.device Devices.db_connection server in
let sm = Vif.Server.device Devices.secmod server in
let res =
let* exchange_pub = Crypto.EddsaPublicKey.of_b32 exchange_pub in
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm exchange_pub v in
let* () = do_ ~db_conn sm exchange_pub v in
Ok ""
in
Respond_util.respond_with_res res req
end
module Auditors = struct
let verify (module Sm : Secmod.S)
AuditorSetupMessage.
{
auditor_url;
auditor_name= _;
auditor_pub;
master_sig;
validity_start;
} =
let open Signatures.MasterAddAuditor in
verify_f ~f:Sm.verify_with_master_key master_sig
{
start_date= validity_start;
auditor_pub;
h_auditor_url= Hash.Cstring.H64.hash auditor_url;
}
(* TODO timestamps last_change +/- checks *)
(* todo: there is something about use of monotonic time
+ protection against replay attack that I don't understand *)
let do_ ~db_conn v =
let auditor_pub = v.AuditorSetupMessage.auditor_pub in
let validity_start = v.AuditorSetupMessage.validity_start in
let* last_date_opt =
Pg.get_auditor_timestamp db_conn auditor_pub |> unwrap_err_caqti
in
match last_date_opt with
| None ->
let+ () = Pg.insert_auditor db_conn v |> unwrap_err_caqti in
Logs.info (fun m -> m "enabled auditor");
()
| Some last_date ->
if Timestamp.compare last_date validity_start > 0 then
Error
"database has more recent auditor data for this auditor public key"
else
let+ () = Pg.update_auditor db_conn v |> unwrap_err_caqti in
Logs.info (fun m -> m "updated auditor");
()
let jsont = AuditorSetupMessage.jsont
let f req server _env =
Logs.info (fun m -> m "POST /management/auditors/");
let sm = Vif.Server.device Devices.secmod server in
let db_conn = Vif.Server.device Devices.db_connection server in
let res =
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm v in
let* () = do_ ~db_conn v in
Ok ""
in
Respond_util.respond_with_res res req
end
module Auditors_disable = struct
let verify (module Sm : Secmod.S) auditor_pub
AuditorTeardownMessage.{ master_sig; validity_end } =
let open Signatures.MasterDelAuditor in
verify_f ~f:Sm.verify_with_master_key master_sig
{ end_date= validity_end; auditor_pub }
let do_ ~db_conn auditor_pub
AuditorTeardownMessage.{ master_sig= _; validity_end } =
let* last_date_opt =
Pg.get_auditor_timestamp db_conn auditor_pub |> unwrap_err_caqti
in
match last_date_opt with
| None -> Error "auditor not found"
| Some last_date ->
if Timestamp.compare last_date validity_end > 0 then
Error
"database has more recent auditor data for this auditor public key"
else
let+ () =
Pg.disable_auditor db_conn ~auditor_pub ~change_date:validity_end
|> unwrap_err_caqti
in
()
let jsont = AuditorTeardownMessage.jsont
let f req auditor_pub server _env =
Logs.info (fun m -> m "POST /management/auditors/$AUDITOR_PUB/revoke/");
let sm = Vif.Server.device Devices.secmod server in
let db_conn = Vif.Server.device Devices.db_connection server in
let res =
let* auditor_pub = Crypto.EddsaPublicKey.of_b32 auditor_pub in
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm auditor_pub v in
let* () = do_ ~db_conn auditor_pub v in
Ok ""
in
Respond_util.respond_with_res res req
end
module Wire_fee = struct
let verify (module Sm : Secmod.S)
WireFeeSetupMessage.
{
wire_method;
master_sig_wire;
fee_start;
fee_end;
closing_fee;
wire_fee;
} =
let open Signatures.MasterWireFee in
verify_f ~f:Sm.verify_with_master_key master_sig_wire
{
h_wire_method= Hash.Cstring.H64.hash wire_method;
start_date= fee_start;
end_date= fee_end;
wire_fee;
closing_fee;
}
let do_ ~db_conn (v : WireFeeSetupMessage.t) =
let* wire_fees =
Pg.get_wire_fees_by_time db_conn ~wire_method:v.wire_method
~start_date:v.fee_start ~end_date:v.fee_end
|> unwrap_err_caqti
in
match wire_fees with
| [] ->
let+ () = Pg.insert_wire_fee db_conn v |> unwrap_err_caqti in
Logs.info (fun m -> m "added wire fee");
()
| [ vv ] -> (
match v.master_sig_wire = vv.sig_ with
| false ->
Error "a different wire-fee was already setup for this time frame"
| true ->
Logs.info (fun m -> m "an identical wire-fee was already setup");
Ok ())
| _ ->
Error
"invalid database state, multiple wire-fee found in database for \
this time frame"
let jsont = WireFeeSetupMessage.jsont
let f req server _env =
Logs.info (fun m -> m "POST /management/wire-fee/");
let sm = Vif.Server.device Devices.secmod server in
let db_conn = Vif.Server.device Devices.db_connection server in
let res =
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm v in
let* () = do_ ~db_conn v in
Ok ""
in
Respond_util.respond_with_res res req
end
module Global_fees = struct
let verify (module Sm : Secmod.S)
GlobalFees.
{
start_date;
end_date;
history_fee;
account_fee;
purse_fee;
history_expiration;
purse_account_limit;
purse_timeout;
master_sig;
} =
(* TODO KYC
what is kyc_timeout, kyc_fee ? *)
let kyc_timeout = Time.Relative.forever in
let kyc_fee = Amount.dummy_value in
(* * *)
let open Signatures.GlobalFees in
verify_f ~f:Sm.verify_with_master_key master_sig
{
start_date;
end_date;
purse_timeout;
kyc_timeout;
history_expiration;
history_fee;
kyc_fee;
account_fee;
purse_fee;
purse_account_limit;
}
let do_ ~db_conn v =
let* global_fees =
let start_date = v.GlobalFees.start_date in
let end_date = v.GlobalFees.end_date in
Pg.get_global_fees_by_time db_conn ~start_date ~end_date
|> unwrap_err_caqti
in
match global_fees with
| [] ->
let+ () = Pg.insert_global_fees db_conn v |> unwrap_err_caqti in
Logs.info (fun m -> m "added global fees");
()
| [ vv ] -> (
match v.master_sig = vv.master_sig with
| false ->
Error
"a different global-fees was already setup for this time frame"
| true ->
Logs.info (fun m -> m "an identical global-fees was already setup");
Ok ())
| _ ->
Error
"invalid database state, multiple global-fees found in database for \
this time frame"
let jsont = GlobalFees.jsont
(* TODO global_fees
ensure it is defined for the current time.
there should be only one global_fees for each moment in time
and once set for a timeframe, it should not change. *)
let f req server _env =
Logs.info (fun m -> m "POST /management/global-fees/");
let sm = Vif.Server.device Devices.secmod server in
let db_conn = Vif.Server.device Devices.db_connection server in
let res =
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm v in
let* () = do_ ~db_conn v in
Ok ""
in
Respond_util.respond_with_res res req
end
module Wire = struct
let verify (module Sm : Secmod.S)
WireSetupMessage.
{
payto_uri;
master_sig_wire;
master_sig_add;
validity_start;
bank_label= _;
priority= _;
} =
(* TODO wire *)
let conversion_url = "" in
let credit_restrictions = "" in
let debit_restrictions = "" in
let* () =
let open Signatures.MasterWireDetails in
verify_f ~f:Sm.verify_with_master_key master_sig_wire
{
h_wire_details= FullPaytoHash.hash payto_uri;
h_conversion_url= Hash.Cstring.H64.hash conversion_url;
h_credit_restrictions= Hash.Cstring.H64.hash credit_restrictions;
h_debit_restrictions= Hash.Cstring.H64.hash debit_restrictions;
}
in
let* () =
let open Signatures.MasterAddWire in
verify_f ~f:Sm.verify_with_master_key master_sig_add
{
start_date= validity_start;
h_wire= FullPaytoHash.hash payto_uri;
h_conversion_url= Hash.Cstring.H64.hash conversion_url;
h_credit_restrictions= Hash.Cstring.H64.hash credit_restrictions;
h_debit_restrictions= Hash.Cstring.H64.hash debit_restrictions;
}
in
Ok ()
let do_ ~db_conn v =
let* last_change_opt =
let payto_uri = v.WireSetupMessage.payto_uri in
Pg.get_wire_timestamp db_conn ~payto_uri |> unwrap_err_caqti
in
match last_change_opt with
| Some _ -> Error "wire already setup"
| None ->
(* TODO wire *)
let last_change = Timestamp.of_ptime (Ptime_clock.now ()) in
let v =
ExchangeWireAccount.
{
payto_uri= v.payto_uri;
conversion_url= None;
debit_restrictions= [];
credit_restrictions= [];
master_sig= v.master_sig_wire;
bank_label= v.bank_label;
priority= v.priority;
}
in
let+ () = Pg.insert_wire db_conn ~last_change v |> unwrap_err_caqti in
()
let jsont = WireSetupMessage.jsont
let f req server _env =
Logs.info (fun m -> m "POST /management/wire/");
let sm = Vif.Server.device Devices.secmod server in
let db_conn = Vif.Server.device Devices.db_connection server in
let res =
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm v in
let* () = do_ ~db_conn v in
Ok ""
in
Respond_util.respond_with_res res req
end
module Wire_disable = struct
let verify (module Sm : Secmod.S)
WireTeardownMessage.{ payto_uri; master_sig_del; validity_end } =
let open Signatures.MasterDelWire in
verify_f ~f:Sm.verify_with_master_key master_sig_del
{ end_date= validity_end; h_wire= FullPaytoHash.hash payto_uri }
let do_ ~db_conn
WireTeardownMessage.{ payto_uri; master_sig_del= _; validity_end } =
let* last_change_opt =
Pg.get_wire_timestamp db_conn ~payto_uri |> unwrap_err_caqti
in
match last_change_opt with
| None -> Error "wire not found"
| Some _ ->
let+ () =
Pg.disable_wire db_conn ~payto_uri ~validity_end |> unwrap_err_caqti
in
()
let jsont = WireTeardownMessage.jsont
let f req server _env =
Logs.info (fun m -> m "POST /management/wire/disable/");
let sm = Vif.Server.device Devices.secmod server in
let db_conn = Vif.Server.device Devices.db_connection server in
let res =
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm v in
let* () = do_ ~db_conn v in
Ok ""
in
Respond_util.respond_with_res res req
end
module Drain = struct
let verify (module Sm : Secmod.S)
DrainProfitsMessage.
{
debit_account_section;
credit_payto_uri;
wtid;
master_sig;
date;
amount;
} =
let open Signatures.MasterDrainProfit in
verify_f ~f:Sm.verify_with_master_key master_sig
{
wtid;
date;
amount;
h_section= Hash.Cstring.H64.hash debit_account_section;
h_payto= FullPaytoHash.hash credit_payto_uri;
}
let do_ ~db_conn v =
let+ () = Pg.insert_drain_profit db_conn v |> unwrap_err_caqti in
()
let jsont = DrainProfitsMessage.jsont
let f req server _env =
Logs.info (fun m -> m "POST /management/drain/");
let sm = Vif.Server.device Devices.secmod server in
let db_conn = Vif.Server.device Devices.db_connection server in
let res =
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm v in
let* () = do_ ~db_conn v in
Ok ""
in
Respond_util.respond_with_res res req
end
module AmlOfficer = struct
let verify (module Sm : Secmod.S)
AmlOfficerSetup.
{
officer_pub;
officer_name;
is_active;
read_only= _;
master_sig;
change_date;
} =
let open Signatures.MasterAmlOfficerStatus in
let is_active = match is_active with true -> 1_l | false -> 0_l in
verify_f ~f:Sm.verify_with_master_key master_sig
{
change_date;
officer_pub;
h_officer_name= Hash.Cstring.H64.hash officer_name;
is_active;
}
let do_ ~db_conn v =
let+ _last_change = Pg.insert_aml_officer db_conn v |> unwrap_err_caqti in
()
let jsont = AmlOfficerSetup.jsont
let f req server _env =
Logs.info (fun m -> m "POST /management/aml-officers/");
let sm = Vif.Server.device Devices.secmod server in
let db_conn = Vif.Server.device Devices.db_connection server in
let res =
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm v in
let* () = do_ ~db_conn v in
Ok ""
in
Respond_util.respond_with_res res req
end
module Partners = struct
let verify (module Sm : Secmod.S)
ExchangePartnerSetupRequest.
{
partner_base_url;
partner_pub;
wad_frequency;
master_sig;
start_date;
end_date;
wad_fee;
} =
let open Signatures.PartnerConfiguration in
verify_f ~f:Sm.verify_with_master_key master_sig
{
partner_pub;
start_date;
end_date;
wad_frequency;
wad_fee;
h_url= Hash.Cstring.H64.hash partner_base_url;
}
let do_ ~db_conn v =
let+ () = Pg.insert_partner db_conn v |> unwrap_err_caqti in
()
let jsont = ExchangePartnerSetupRequest.jsont
let f req server _env =
Logs.info (fun m -> m "POST /management/partners/");
let sm = Vif.Server.device Devices.secmod server in
let db_conn = Vif.Server.device Devices.db_connection server in
let res =
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm v in
let* () = do_ ~db_conn v in
Ok ""
in
Respond_util.respond_with_res res req
end

1308
.jjconflict-base-0/src/signatures.ml
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128
.jjconflict-base-0/test/test.ml
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@ -1,128 +0,0 @@
let () = Mirage_crypto_rng_unix.use_default ()
let get_ok = function Error e -> failwith e | Ok v -> v
let () =
let priv = Mirage_crypto_pk.Rsa.generate ~bits:2048 () in
let pub = Mirage_crypto_pk.Rsa.pub_of_priv priv in
let () =
let open Crypto.RsaPrivateKey in
let priv' = priv |> to_octets |> of_octets |> get_ok in
assert (to_octets priv = to_octets priv')
in
let () =
let open Crypto.RsaPublicKey in
let pub' = pub |> to_octets |> of_octets |> get_ok in
assert (to_octets pub = to_octets pub')
in
()
let () =
let open Api in
let check jsont s =
let encode v = encode jsont v |> get_ok in
let decode v = decode jsont v |> get_ok in
let ts = decode s in
let s' = encode ts in
let ts' = decode s' in
let s'' = encode ts' in
assert (String.equal s' s'')
in
let check_bad jsont s =
let decode = decode jsont in
assert (Result.is_error (decode s))
in
check Timestamp.jsont {|{"t_s": 123456780}|};
check Timestamp.jsont {|{"t_s": "never"}|};
check_bad Timestamp.jsont {|{"t_s": "123456780"}|};
check_bad Timestamp.jsont {|{"t_s": "agagou"}|};
(* CS not implemented *)
check_bad DenominationKey.jsont
{|{"cipher": "CS", "age_mask": 18, "cs_pub": "ouhagag"}|};
(* TODO test with a valid rsa_pub value *)
(* TODO handle "rsa pub_of_octets failure" correctly *)
(* check_bad DenominationKey.jsont
{|{"cipher": "RSA", "age_mask": 18, "rsa_pub": "agagouh"}|}; *)
()
let () =
let open Amount in
let v =
make ~sign:(Some Sign_plus) ~currency:"EUR" ~value:(Int64.of_int 25)
~fraction:(Int32.of_int 678)
|> Result.get_ok
in
let s = to_string v in
let v' = of_string s |> Result.get_ok in
assert (v = v');
let r = of_string {|~EUR:4.9|} in
assert (Result.is_error r);
let r = of_string {|+EUR:4.99999999999999999999999|} in
assert (Result.is_error r);
()
let () =
let open Headers_lib.Etag in
let check input = assert (Result.is_ok (parse input)) in
let check_bad input = assert (Result.is_error (parse input)) in
check "*";
check "\"foo\"";
check "W/\"foo\"";
check "\"foo\", \"bar\"";
check " W/\"x\" , W/\"y\" , \"z\" ";
check " \"one\" , \"two\" , \"three\" ";
check "W/\"a\"";
check " W/\"a\" , \"b\"";
check_bad "";
check_bad "foo";
check_bad "W/foo";
check_bad "W/\"unterminated";
check_bad "\"foo\", W/";
check_bad "* , \"bar\"";
check_bad "\"a\" \"b\"";
check_bad "W/\"a\" W/\"b\"";
check_bad "\"fo\x7Fo\"";
(* TODO trailing comma are valid actually, I think *)
check_bad "\"foo\" ,";
check_bad ", \"foo\"";
()
(*
let () =
let open Binary_formats.WithdrawConfirmationPS in
let str64 = String.init 64 (fun i -> Char.unsafe_chr (i + 1)) in
let dummy_t = { h_planchets= { hash= str64 }; noreveal_index= 0_l } in
let size = Bin.size_of_value bin dummy_t |> Option.get in
assert (size = 76);
(* for cmp test with signatures.c output *)
(*
let raw_str = Bin.to_string bin dummy_t in
Printf.printf "%s" raw_str;
*)
()
*)
let () =
let v =
"04000274VF2F65WWABKGZYHREQWAFTVPMWEK9EQYMCPP1E6CMC224XDDDBVM7NRMNDX3TETHTK5G7GPPPYGN08FEMSY6B7NGBE8AYMG5HWT2BXRSAHAWDWW5Y16YVGXJG0BCKW3X17EWEF8MNGFGJBKVWQV5WPT0R2QK82QXFHFVGP3HR1D8HF69JXBC22B62M4SFETRJNXRG2GXX03BETSNQW0X7BYTMFJX5JQH4B2KJMABB02RFSNNMND7CT7MSAX5SCZY5ZB9XS4ZDKA9AVTS11V790KXXBSFZSD3NNEHKB6RS99RJD3MDJE04G1Q83HR50N5NVBDW3HPJZKQS5SSG7R2R2F7K8P06HJ4YSQFF52GF3RZW22N4FRQ28KQ2JZMZ1GJS1KBNHNNMS1RW9DZQ3882Z5V0000000004002==="
in
let decode s = B32.decode s |> get_ok in
let v' = B32.encode (decode v) in
let v'' = B32.encode (decode v') in
(*
Fmt.pr "v : %s@." v;
Fmt.pr "v' : %s@." v';
Fmt.pr "v'': %s@." v'';
Fmt.pr "len v : %d@." (String.length v);
Fmt.pr "len v' : %d@." (String.length v');
Fmt.pr "len v'': %d@." (String.length v'');
*)
assert (v = v');
assert (v' = v'');
()

146
.jjconflict-base-0/tools/offline_sig.ml
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@ -1,146 +0,0 @@
open Crypto
open Api
let verify_future_keys_response =
let verify_future_denom ~sm_denom_pub
FutureDenom.
{
section_name;
value= _;
stamp_start;
stamp_expire_withdraw;
stamp_expire_deposit= _;
stamp_expire_legal= _;
denom_pub;
fee_withdraw= _;
fee_deposit= _;
fee_refresh= _;
fee_refund= _;
denom_secmod_sig;
} =
let h_denom_pub =
DenominationHash.hash (DenominationKey.to_octets denom_pub)
in
let h_section_name = Hash.Cstring.H64.hash section_name in
let anchor_time = stamp_start in
let duration_withdraw = Timestamp.diff stamp_start stamp_expire_withdraw in
let open Signatures.DenominationKeyAnnouncement in
verify_f
~f:(EddsaSignature.verify ~key:sm_denom_pub)
denom_secmod_sig
{ h_denom_pub; h_section_name; anchor_time; duration_withdraw }
in
let verify_future_signkey ~sm_signkey_pub
FutureSignKey.
{ key; stamp_start; stamp_expire; stamp_end= _; signkey_secmod_sig } =
let exchange_pub = key in
let anchor_time = stamp_start in
let duration = Timestamp.diff stamp_start stamp_expire in
let open Signatures.SigningKeyAnnouncement in
verify_f
~f:(EddsaSignature.verify ~key:sm_signkey_pub)
signkey_secmod_sig
{ exchange_pub; anchor_time; duration }
in
fun our_master_public_key
FutureKeysResponse.
{
future_denoms;
future_signkeys;
master_pub;
denom_secmod_public_key;
signkey_secmod_public_key;
}
->
let open Syntax in
let* () =
match master_pub = our_master_public_key with
| false ->
Fmt.error
"master public key of the future key response does not match ours"
| true -> Ok ()
in
let* () =
list_iter
(verify_future_denom ~sm_denom_pub:denom_secmod_public_key)
future_denoms
in
let* () =
list_iter
(verify_future_signkey ~sm_signkey_pub:signkey_secmod_public_key)
future_signkeys
in
Ok ()
let mk_future_keys =
let denom_signature ~master_key
FutureDenom.
{
section_name= _;
value;
stamp_start;
stamp_expire_withdraw;
stamp_expire_deposit;
stamp_expire_legal;
denom_pub;
fee_withdraw;
fee_deposit;
fee_refresh;
fee_refund= _;
denom_secmod_sig= _;
} =
let octets = DenominationKey.to_octets denom_pub in
let h_denom_pub = DenominationHash.hash octets in
let master_sig =
let open Signatures.DenominationKeyValidity in
let master = EddsaPrivateKey.(pub_of_priv master_key) in
sign_f
~f:(EddsaSignature.sign ~key:master_key)
{
master;
start= stamp_start;
expire_withdraw= stamp_expire_withdraw;
expire_spend= stamp_expire_deposit;
expire_legal= stamp_expire_legal;
value;
fee_withdraw;
fee_deposit;
fee_refresh;
denom_hash= h_denom_pub;
}
in
DenomSignature.{ h_denom_pub; master_sig }
in
let signkey_signature ~master_key
FutureSignKey.
{ key; stamp_start; stamp_expire; stamp_end; signkey_secmod_sig= _ } =
let master_sig =
let open Signatures.ExchangeSigningKeyValidity in
sign_f
~f:(EddsaSignature.sign ~key:master_key)
{
start= stamp_start;
expire= stamp_expire;
end_= stamp_end;
signkey_pub= key;
}
in
SignKeySignature.{ key; master_sig }
in
fun ~master_key
FutureKeysResponse.
{
future_denoms;
future_signkeys;
master_pub= _;
denom_secmod_public_key= _;
signkey_secmod_public_key= _;
}
->
let denom_sigs = List.map (denom_signature ~master_key) future_denoms in
let signkey_sigs =
List.map (signkey_signature ~master_key) future_signkeys
in
MasterSignatures.{ denom_sigs; signkey_sigs }

3
.jjconflict-side-0/.gitignore vendored
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@ -1,3 +0,0 @@
_build
data/secmod/*
!data/secmod/.gitkeep

15
.jjconflict-side-0/.ocamlformat
View file

@ -1,15 +0,0 @@
version=0.28.1
exp-grouping=preserve
type-decl=sparse
break-infix=fit-or-vertical
break-collection-expressions=fit-or-vertical
break-sequences=false
break-infix-before-func=false
dock-collection-brackets=true
break-separators=after
field-space=tight
if-then-else=compact
break-sequences=false
sequence-blank-line=compact
exp-grouping=preserve
sequence-blank-line=preserve-one

661
.jjconflict-side-0/LICENSE
View file

@ -1,661 +0,0 @@
GNU AFFERO GENERAL PUBLIC LICENSE
Version 3, 19 November 2007
Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
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software and other kinds of works, specifically designed to ensure
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The licenses for most software and other practical works are designed
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our General Public Licenses are intended to guarantee your freedom to
share and change all versions of a program--to make sure it remains free
software for all its users.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
them if you wish), that you receive source code or can get it if you
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Developers that use our General Public Licenses protect your rights
with two steps: (1) assert copyright on the software, and (2) offer
you this License which gives you legal permission to copy, distribute
and/or modify the software.
A secondary benefit of defending all users' freedom is that
improvements made in alternate versions of the program, if they
receive widespread use, become available for other developers to
incorporate. Many developers of free software are heartened and
encouraged by the resulting cooperation. However, in the case of
software used on network servers, this result may fail to come about.
The GNU General Public License permits making a modified version and
letting the public access it on a server without ever releasing its
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The GNU Affero General Public License is designed specifically to
ensure that, in such cases, the modified source code becomes available
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An older license, called the Affero General Public License and
published by Affero, was designed to accomplish similar goals. This is
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The precise terms and conditions for copying, distribution and
modification follow.
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If the disclaimer of warranty and limitation of liability provided
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Program, unless a warranty or assumption of liability accompanies a
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END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
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to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If your software can interact with users remotely through a computer
network, you should also make sure that it provides a way for users to
get its source. For example, if your program is a web application, its
interface could display a "Source" link that leads users to an archive
of the code. There are many ways you could offer source, and different
solutions will be better for different programs; see section 13 for the
specific requirements.
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU AGPL, see
<https://www.gnu.org/licenses/>.

74
.jjconflict-side-0/data/assets/default.config
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@ -1,74 +0,0 @@
[currency-EUR]
enabled= YES
code= EUR
name= euro
fractional_input_digits= 2
fractional_normal_digits= 2
fractional_trailing_zero_digits= 2
alt_unit_names= "{"0":"€","3":"k€"}"
[exchange]
currency = EUR
currency_round_unit = EUR:0.01
db = postgres
attribute_encryption_key = "deadbeef"
port = 3434
bind_to = localhost
master_public_key = "SJ0NYND22VQP3MP7FM754RDX8HCKVWAXTHY9SQNBTPRJZ2SPM2S0"
stefan_abs = EUR:0.00
stefan_log = EUR:0.00
stefan_lin = 0.00
aggregator_idle_sleep_interval = "1 hour"
closer_idle_sleep_interval = "1 hour"
transfer_idle_sleep_interval = "1 hour"
wirewatch_idle_sleep_interval = "1 hour"
signkey_legal_duration = "1 year"
max_keys_caching = "4 weeks"
enable_kyc = NO
terms_etag = "0"
privacy_etag = "0"
base_url = "http://localhost:3434/"
[exchangedb]
idle_reserve_expiration_time = "1 year 2 weeks 3 hours 4 minutes 5 seconds"
legal_reserve_expiration_time = "1 year"
aggregator_shift = "1 year"
max_aml_program_runtime = "1 year"
default_purse_limit = 9999
[exchangedb-postgres]
config = "pgx://mte:hunter2@localhost:5432/taler-exchange"
[taler-exchange-secmod-rsa]
lookahead_sign = "1 year"
overlap_duration = "1 year"
[taler-exchange-secmod-eddsa]
lookahead_sign = "1 year"
overlap_duration = "1 year"
[coin_kudo_1]
value= EUR:0.01
duration_withdraw= "1 year"
duration_spend= "1 year"
duration_legal= "1 year"
fee_withdraw= EUR:0.00
fee_deposit= EUR:0.00
fee_refresh= EUR:0.00
fee_refund= EUR:0.00
cipher= RSA
rsa_keysize= 2048
age_restricted= NO
[coin_kudo_2]
value= EUR:0.02
duration_withdraw= "1 year"
duration_spend= "1 year"
duration_legal= "1 year"
fee_withdraw= EUR:0.00
fee_deposit= EUR:0.00
fee_refresh= EUR:0.00
fee_refund= EUR:0.00
cipher= RSA
rsa_keysize= 2048
age_restricted= NO

1
.jjconflict-side-0/data/assets/privacy/en/0.md
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@ -1 +0,0 @@
# TODO dummy ToS

1
.jjconflict-side-0/data/assets/privacy/en/0.txt
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@ -1 +0,0 @@
# TODO dummy ToS

1
.jjconflict-side-0/data/assets/terms/en/0.md
View file

@ -1 +0,0 @@
# TODO dummy ToS

1
.jjconflict-side-0/data/assets/terms/en/0.txt
View file

@ -1 +0,0 @@
# TODO dummy ToS

1
.jjconflict-side-0/data/auditor_private_key
View file

@ -1 +0,0 @@
Iî÷q¸àwÇ´Y—›gbÙ'R+5µ™â°ƒˆyë>

1
.jjconflict-side-0/data/auditor_public_key
View file

@ -1 +0,0 @@
A17JXR3E6J4CXDPYT7S1H25PGJ3ABS26TQ38654QCX0TB59RPMF0

BIN
.jjconflict-side-0/data/master_offline_private_key
View file

Binary file not shown.

0
.jjconflict-side-0/data/secmod/.gitkeep
View file

46
.jjconflict-side-0/dune-project
View file

@ -1,46 +0,0 @@
(lang dune 3.20)
(name mte)
(generate_opam_files true)
; (source
; (github username/reponame))
(authors "Olivier Pierre <swrup@protonmail.com>")
(maintainers "Olivier Pierre <swrup@protonmail.com>")
(license AGPL-3.0-only)
; (documentation https://url/to/documentation)
(package
(name mte)
(synopsis "MTE - the MirageOS Taler Exchange")
(description "A GNU Taler exchange implementation with the unikernel framework MirageOS")
(tags
("GNU Taler" MirageOS unikernel OCaml crypto))
(depends
(ocaml (>= 5.3))
base32
caqti
caqti-miou
caqti-driver-pgx
crunch
vif
jsont
cohttp
fmt
bin
angstrom
zarith
mirage-crypto
digestif
duration
jsont
cohttp
ptime
logs
(ocamlformat :with-dev-setup)
))

5
.jjconflict-side-0/include/dune
View file

@ -1,5 +0,0 @@
(library
(name include)
; (wrapped false)
(modules taler_signatures)
(libraries))

78
.jjconflict-side-0/include/taler_signatures.ml
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@ -1,78 +0,0 @@
(* This file was generated by using data and/or code from the GNU Taler project,
under the AGPL-v3 licence.
Do not edit it. *)
let master_aml_key : int32 = 1017_l
let master_drain_profit : int32 = 1018_l
let master_partner_details : int32 = 1019_l
let master_signing_key_revoked : int32 = 1020_l
let master_add_wire : int32 = 1021_l
let master_global_fees : int32 = 1022_l
let master_del_wire : int32 = 1023_l
let master_signing_key_validity : int32 = 1024_l
let master_denomination_key_validity : int32 = 1025_l
let master_add_auditor : int32 = 1026_l
let master_del_auditor : int32 = 1027_l
let master_wire_fees : int32 = 1028_l
let master_denomination_key_revoked : int32 = 1029_l
let master_wire_details : int32 = 1030_l
let master_extension : int32 = 1031_l
let exchange_reserve_status : int32 = 1032_l
let exchange_confirm_deposit : int32 = 1033_l
let exchange_confirm_melt : int32 = 1034_l
let exchange_key_set : int32 = 1035_l
let exchange_confirm_wire : int32 = 1036_l
let exchange_confirm_wire_deposit : int32 = 1037_l
let exchange_confirm_refund : int32 = 1038_l
let exchange_confirm_recoup : int32 = 1039_l
let exchange_reserve_closed : int32 = 1040_l
let exchange_confirm_recoup_refresh : int32 = 1041_l
let exchange_affirm_denom_unknown : int32 = 1042_l
let exchange_affirm_denom_expired : int32 = 1043_l
let exchange_confirm_purse_creation : int32 = 1045_l
let exchange_confirm_purse_merged : int32 = 1046_l
let exchange_purse_status : int32 = 1047_l
let exchange_reserve_attest_details : int32 = 1048_l
let exchange_confirm_purse_refund : int32 = 1049_l
let exchange_confirm_withdraw : int32 = 1050_l
let auditor_exchange_keys : int32 = 1064_l
let merchant_contract : int32 = 1101_l
let merchant_refund : int32 = 1102_l
let merchant_track_transaction : int32 = 1103_l
let merchant_payment_ok : int32 = 1104_l
let merchant_wire_details : int32 = 1107_l
let merchant_token_issue : int32 = 1108_l
let wallet_reserve_withdraw : int32 = 1200_l
let wallet_coin_deposit : int32 = 1201_l
let wallet_coin_melt : int32 = 1202_l
let wallet_coin_recoup : int32 = 1203_l
let wallet_coin_link : int32 = 1204_l
let wallet_account_setup : int32 = 1205_l
let wallet_coin_recoup_refresh : int32 = 1206_l
let wallet_age_attestation : int32 = 1207_l
let wallet_reserve_history : int32 = 1208_l
let wallet_coin_history : int32 = 1209_l
let wallet_purse_create : int32 = 1210_l
let wallet_purse_deposit : int32 = 1211_l
let wallet_purse_status : int32 = 1212_l
let wallet_purse_merge : int32 = 1213_l
let wallet_account_merge : int32 = 1214_l
let wallet_reserve_close : int32 = 1215_l
let wallet_purse_econtract : int32 = 1216_l
let wallet_reserve_open : int32 = 1217_l
let wallet_reserve_open_deposit : int32 = 1218_l
let wallet_reserve_attest_details : int32 = 1219_l
let wallet_purse_delete : int32 = 1220_l
let wallet_reserve_age_withdraw : int32 = 1221_l
let wallet_token_use : int32 = 1222_l
let mailbox_messages_delete : int32 = 1223_l
let sm_rsa_denomination_key : int32 = 1250_l
let sm_signing_key : int32 = 1251_l
let sm_cs_denomination_key : int32 = 1252_l
let client_test_eddsa : int32 = 1302_l
let exchange_test_eddsa : int32 = 1303_l
let aml_decision : int32 = 1350_l
let aml_query : int32 = 1351_l
let kyc_auth : int32 = 1360_l
let anastasis_policy_upload : int32 = 1400_l
let sync_backup_upload : int32 = 1450_l

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.jjconflict-side-0/mte.opam
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@ -1,49 +0,0 @@
# This file is generated by dune, edit dune-project instead
opam-version: "2.0"
synopsis: "MTE - the MirageOS Taler Exchange"
description:
"A GNU Taler exchange implementation with the unikernel framework MirageOS"
maintainer: ["Olivier Pierre <swrup@protonmail.com>"]
authors: ["Olivier Pierre <swrup@protonmail.com>"]
license: "AGPL-3.0-only"
tags: ["GNU Taler" "MirageOS" "unikernel" "OCaml" "crypto"]
depends: [
"dune" {>= "3.20"}
"ocaml" {>= "5.3"}
"base32"
"caqti"
"caqti-miou"
"caqti-driver-pgx"
"crunch"
"vif"
"jsont"
"cohttp"
"fmt"
"bin"
"angstrom"
"zarith"
"mirage-crypto"
"digestif"
"duration"
"jsont"
"cohttp"
"ptime"
"logs"
"ocamlformat" {with-dev-setup}
"odoc" {with-doc}
]
build: [
["dune" "subst"] {dev}
[
"dune"
"build"
"-p"
name
"-j"
jobs
"@install"
"@runtest" {with-test}
"@doc" {with-doc}
]
]
x-maintenance-intent: ["(latest)"]

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.jjconflict-side-0/src/amount.ml
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(* TODO
have safe amount arithmetic
make type private
redefine an Amount module with currency enforced to be Config.currency? *)
(* Amounts of currency, serialized as `<Currency>:<IntegerPart>.<FractionalPart>`
Fixed-precision numbers with 8 decimal places.
- <Currency> must be at most 11 characters long
only consist of ASCII letters (a-zA-Z).
- integer part of <DecimalAmount> may be at most 2^52.
- fractional part of <DecimalAmount> may contain at most 8 decimal digits.
Prefixed with '+' or '-' in certain contexts.
When no sign is present, the amount is assumed to be positive. *)
type sign =
| Sign_plus
| Sign_minus
type t = {
sign: sign option;
currency: string;
value: Int64.t;
fraction: Int32.t;
}
let ( let* ) o f = match o with Ok v -> f v | Error _ as e -> e
let check_not msg = function false -> Ok () | true -> Error msg
let value_upper_bound = Z.(pow (of_int 2) 52) |> Z.to_int64
let fraction_upper_bound = Int32.of_int 100_000_000
let make ~sign ~currency ~value ~fraction =
let* () = check_not "value is negative" (value < Int64.zero) in
let* () = check_not "fraction is negative" (fraction < Int32.zero) in
let* () =
check_not "value is greater than 2^52" (value > value_upper_bound)
in
let* () =
check_not "fraction has more than 8 decimal digits"
(fraction >= fraction_upper_bound)
in
Ok { sign; currency; value; fraction }
let pp =
let open Fmt in
let pp_sign ppf = function
| Sign_plus -> char ppf '+'
| Sign_minus -> char ppf '-'
in
fun ppf { sign; currency; value; fraction } ->
pf ppf "%a%s:%Ld.%02ld" (Fmt.option pp_sign) sign currency value fraction
let to_string = Fmt.str "%a" pp
let of_string =
let open Angstrom in
let parse_sign =
choice
[
char '+' *> return (Some Sign_plus);
char '-' *> return (Some Sign_minus);
return None;
]
in
let parse_currency =
(* TODO currency string constraint/format *)
take_while1 (function
| 'a' .. 'z' | 'A' .. 'Z' -> true
| _ -> false)
in
let parse_int64 =
take_while1 (function '0' .. '9' -> true | _ -> false)
>>| Int64.of_string_opt
>>= function
| None -> fail "invalid integer"
| Some n -> return n
in
let parse_int32 =
take_while1 (function '0' .. '9' -> true | _ -> false)
>>| Int32.of_string_opt
>>= function
| None -> fail "invalid integer"
| Some n -> return n
in
let parse_t =
lift4
(fun sign currency value fraction ->
make ~sign ~currency ~value ~fraction)
parse_sign parse_currency
(char ':' *> parse_int64)
(char '.' *> parse_int32)
in
fun s -> parse_string ~consume:Consume.All parse_t s |> Result.join
let jsont = Jsont.of_of_string ~kind:"Amount" of_string ~enc:to_string
let currency_len = 12
let pad_currency s =
let len = String.length s in
assert (len <= 11);
let b = Bytes.make 12 '\x00' in
Bytes.blit_string s 0 b 0 len;
Bytes.to_string b
let bin =
let open Bin in
record (fun _value _fraction _currency ->
(* no need to decode amount? *)
assert false)
|+ field neint64 (fun t -> t.value)
|+ field neint32 (fun t -> t.fraction)
|+ field (bytes currency_len) (fun t -> pad_currency t.currency)
|> sealr
let bin_nbo =
let open Bin in
record (fun _value _fraction _currency -> assert false)
|+ field beint64 (fun t -> t.value)
|+ field beint32 (fun t -> t.fraction)
|+ field (bytes currency_len) (fun t -> pad_currency t.currency)
|> sealr
let dummy_value = "DUMMY:0.0" |> of_string |> Result.get_ok

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.jjconflict-side-0/src/amount.mli
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(* TODO
? have a currency agnostic amount_lib.ml and specialize amount.ml to Config.currency *)
type sign =
| Sign_plus
| Sign_minus
type t = private {
sign: sign option;
currency: string;
value: Int64.t;
fraction: Int32.t;
}
val make :
sign:sign option ->
currency:string ->
value:Int64.t ->
fraction:Int32.t ->
(t, string) result
val pp : Format.formatter -> t -> unit
val to_string : t -> string
val of_string : string -> (t, string) result
val currency_len : int
val jsont : t Jsont.t
(* only for encoding *)
val bin : t Bin.t
val bin_nbo : t Bin.t
(* TODO
dummy value to use as placeholder for WIP *)
val dummy_value : t

1347
.jjconflict-side-0/src/api.ml
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150
.jjconflict-side-0/src/assets.ml
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(* TODO clean up *)
(* docs: https://docs.taler.net/manpages/taler-exchange.conf.5.html
https://docs.taler.net/design-documents/003-tos-rendering.html *)
(* hardcoded config just for static assets *)
let default_lang = "en"
let default_encoding : [< `Identity | `DEFLATE | `Gzip ] = `Identity
(* todo: Taler documentation markdown mimetype should be the prefered one, and be
supported, according to DD we take text/plain as default instead for now *)
let default_mimetype = ("text", "plain")
let default_extension = ".txt"
let terms_legal_version = "1"
let privacy_legal_version = "1"
module Mimetype = struct
let mimetype_extension_assoc =
[
(("text", "plain"), ".txt");
(("text", "markdown"), ".md");
(("text", "html"), ".html");
(("text", "html"), ".htm");
(("application", "pdf"), ".pdf");
(("image", "jpeg"), ".jpg");
(("image", "jpeg"), ".jpeg");
(("image", "png"), ".png");
(("image", "gif"), ".gif");
]
let mimetype_l, _ = List.split mimetype_extension_assoc
let of_cohttp_media = function
| Cohttp.Accept.MediaType (m, m_sub) ->
List.find_opt (( = ) (m, m_sub)) mimetype_l
| AnyMediaSubtype m ->
List.find_opt (fun (m', _) -> String.equal m m') mimetype_l
| AnyMedia -> Some default_mimetype
let to_extension (m, m_sub) =
assert (m <> "*");
assert (m_sub <> "*");
List.assoc_opt (m, m_sub) mimetype_extension_assoc
let of_extension ext =
List.find_map
(fun (mime, ext') ->
match String.equal ext ext' with false -> None | true -> Some mime)
mimetype_extension_assoc
let pp_mime fmt mime = Fmt.pf fmt "%s/%s" (fst mime) (snd mime)
end
(* TODO config *)
type t =
| Terms
| Privacy
let etag k =
Result.get_ok
@@ Headers_lib.Etag.of_crockford32
@@ match k with Terms -> "0" | Privacy -> "0"
let legal_version = function
| Terms -> terms_legal_version
| Privacy -> privacy_legal_version
let base_dir = function
| Terms -> Fpath.v "terms"
| Privacy -> Fpath.v "privacy"
(* does some checks on assets/ folder content and infer the set of supported languages and mimetype *)
let supported_lang_arr, supported_ext_arr =
let open Syntax in
let path_l =
Assets_crunch.file_list |> list_map Fpath.of_string |> function
| Error (`Msg e) -> Fmt.failwith "%s" e
| Ok x -> x
in
let aux t =
let prefix = base_dir t in
let path_l = path_l |> List.filter_map (Fpath.rem_prefix prefix) in
let ext_l =
path_l |> List.map Fpath.get_ext |> List.sort_uniq String.compare
in
let lang_l =
path_l
|> List.map (fun path ->
match Fpath.segs path with
| [] -> assert false
| [ dir; _file ] -> dir
| _l ->
Fmt.failwith "invalid folder structure, file `%s` is misplaced"
(Fpath.to_string path))
|> List.sort_uniq String.compare
in
let () =
if List.is_empty lang_l then Fmt.failwith "no language supported";
if List.is_empty ext_l then Fmt.failwith "no mimetype supported";
if not @@ List.mem default_lang lang_l then
Fmt.failwith "default language `%s` files not found" default_lang;
if not @@ List.mem ".txt" ext_l then
Fmt.failwith "plain text file not found";
if not @@ List.mem ".md" ext_l then Fmt.failwith "markdown file not found";
List.iter
(fun dir ->
if String.length dir <> 2 then
Fmt.failwith "language directory with invalid name: `%s`" dir)
lang_l;
if List.length path_l <> List.length ext_l * List.length lang_l then
Fmt.failwith
"invalid folder structure, all supported language must provide the \
same set of file mimetype"
in
(lang_l, ext_l)
in
let lang_l, ext_l = aux Terms in
let lang_l', ext_l' = aux Privacy in
let () =
if
not
@@ (List.equal String.equal lang_l lang_l'
&& List.equal String.equal ext_l ext_l')
then
Fmt.failwith
"invalid folder structure, /terms and /privacy must support the same \
set of languages and mimetypes";
()
in
(Array.of_list lang_l, Array.of_list ext_l)
let supported_mimetype_arr =
Array.map Mimetype.of_extension supported_ext_arr |> Array.map Option.get
let is_supported_lang lang = Array.mem lang supported_lang_arr
let is_supported_ext ext = Array.mem ext supported_ext_arr
let is_supported_mimetype mime = Array.mem mime supported_mimetype_arr
(* ! lang and mime must be supported *)
let get_content ~lang ~mime t =
let etag = Headers_lib.Etag.to_raw_string (etag t) in
let ext =
match Mimetype.to_extension mime with
| None -> Fmt.failwith "mimetype `%s/%s` unknown" (fst mime) (snd mime)
| Some ext -> ext
in
let path = Fpath.to_string Fpath.((base_dir t / lang / etag) + ext) in
match Assets_crunch.read path with
| None -> Fmt.failwith "static file not found: `%s`" path
| Some data -> data

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(* Crockford's variant of Base32
http://www.crockford.com/wrmg/base32.html
except that:
- 'U' is not excluded but also decodes to 'V'
- '-' is not allowed
- checksum is not allowed *)
(* 'I' 'L' 'O' 'U' excluded
no '=' padding in encoded string *)
type t = string
let alphabet = Base32.make_alphabet "0123456789ABCDEFGHJKMNPQRSTVWXYZ"
let encode s =
let s = Base32.encode_string ~alphabet s in
(* remove '=' padding *)
match String.index_opt s '=' with
| None -> s
| Some i -> String.sub s 0 i
let decode s =
let s =
String.map
(fun c ->
match Char.uppercase_ascii c with
| 'O' -> '0'
| 'I' | 'L' -> '1'
| 'U' -> 'V'
| c -> c)
s
in
(* restore padding for base32 lib *)
let n = 8 - (String.length s mod 8) in
let pad = String.make n '=' in
let s = s ^ pad in
match Base32.decode ~alphabet ~off:0 ~len:(String.length s) s with
| Error (`Msg e) -> Error e
| Ok v -> Ok v

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open Parse_config
let config_data =
let path = Fpath.to_string (Fpath.v "default.config") in
match Assets_crunch.read path with
| None -> fail "static file not found: `%s`" path
| Some data ->
let v = Parse_data.parse data in
v
module Exchange = struct
let get_opt field = get_opt config_data ~section:"exchange" ~field
let get field = get config_data ~section:"exchange" ~field
(* - *)
let currency = (* todo: constraint on currency string *) get "currency"
let currency_round_unit = get "currency_round_unit" |> amount
let db = get "db" |> const_value "postgres"
let attribute_encryption_key = get "attribute_encryption_key"
let port = get "port" |> int
let bind_to = get "bind_to"
let master_public_key = get "master_public_key" |> ed25519
(* TODO Defaults to 0.0 if not specified. *)
let stefan_abs = get "stefan_abs" |> amount
let stefan_log = get "stefan_log" |> amount
let stefan_lin =
get_opt "stefan_lin" |> Option.map float |> Option.value ~default:0.0
let aggregator_idle_sleep_interval =
get "aggregator_idle_sleep_interval" |> duration
let closer_idle_sleep_interval = get "closer_idle_sleep_interval" |> duration
let transfer_idle_sleep_interval =
get "transfer_idle_sleep_interval" |> duration
let wirewatch_idle_sleep_interval =
get "wirewatch_idle_sleep_interval" |> duration
let signkey_legal_duration = get "signkey_legal_duration" |> duration
let max_keys_caching = get "max_keys_caching" |> duration
let enable_kyc = get "enable_kyc" |> yes_no
let terms_etag = get "terms_etag"
let privacy_etag = get "privacy_etag"
let base_url = get "base_url"
let shopping_url = get_opt "shopping_url"
let open_banking_gateway_url = get_opt "open_banking_gateway_url"
let bank_compliance_language = get_opt "bank_compliance_language"
let aml_spa_dialect = get_opt "aml_spa_dialect"
let toplevel_redirect_url = get_opt "toplevel_redirect_url"
let tiny_amount = get_opt "tiny_amount" |> Option.map amount
(* not implemented or not relevant to MTE:
let max_requests = get "max_requests" |> int
aggregator_shard_size
serve
unixpath
unixpath_mode
terms_dir
privacy_dir *)
end
module Exchangedb = struct
let get field = get config_data ~section:"exchangedb" ~field
(* - *)
let idle_reserve_expiration_time =
get "idle_reserve_expiration_time" |> duration
let legal_reserve_expiration_time =
get "legal_reserve_expiration_time" |> duration
let aggregator_shift = get "aggregator_shift" |> duration
let max_aml_program_runtime = get "max_aml_program_runtime" |> duration
let default_purse_limit = get "default_purse_limit" |> int
end
module Exchangedb_postgres = struct
let config =
get config_data ~section:"exchangedb-postgres" ~field:"config" |> uri
end
module Currency = struct
type t = {
enabled: [ `YES | `NO ];
code: string;
name: string;
fractional_input_digits: int;
fractional_normal_digits: int;
fractional_trailing_zero_digits: int;
alt_unit_names: (int * string) list;
}
let currency_sections =
List.filter
(fun v -> String.starts_with ~prefix:"currency-" v.header)
config_data
let parse_currency section =
let get field = get config_data ~section:section.header ~field in
{
enabled= get "enabled" |> yes_no;
code= get "code";
name= get "name";
fractional_input_digits= get "fractional_input_digits" |> int;
fractional_normal_digits= get "fractional_normal_digits" |> int;
fractional_trailing_zero_digits=
get "fractional_trailing_zero_digits" |> int;
alt_unit_names=
get "alt_unit_names" |> Alt_unit_names.decode |> Parse_config.unwrap_res;
}
let all_currencies = List.map parse_currency currency_sections
(* I think the exchange only handle one currency *)
let v =
match
List.find_opt (fun v -> v.code = Exchange.currency) all_currencies
with
| None ->
fail "section `[currency-%s]` not found, currency `%s` is not defined"
Exchange.currency Exchange.currency
| Some v -> (
match v.enabled = `YES with
| false -> fail "currency `%s` is not enabled" Exchange.currency
| true -> v)
end
module Coin = struct
type t = {
section_name: string;
value: Amount.t;
duration_withdraw: Time.Relative.t;
duration_spend: Time.Relative.t;
duration_legal: Time.Relative.t;
fee_withdraw: Amount.t;
fee_deposit: Amount.t;
fee_refresh: Amount.t;
fee_refund: Amount.t;
cipher: [ (* `CS |*) `RSA ];
rsa_keysize: int; (* : int option (only if `RSA) *)
age_restricted: [ (*`YES|*) `NO ];
}
let coin_sections =
List.filter
(fun v ->
(* note: here its a '_' not '-' *)
String.starts_with ~prefix:"coin_" v.header)
config_data
let parse_coin section =
let get field = get config_data ~section:section.header ~field in
let section_name =
String.sub section.header 5 (String.length section.header - 5)
in
{
section_name;
value= get "value" |> amount;
duration_withdraw= get "duration_withdraw" |> duration;
duration_spend= get "duration_spend" |> duration;
duration_legal= get "duration_legal" |> duration;
fee_withdraw= get "fee_withdraw" |> amount;
fee_deposit= get "fee_deposit" |> amount;
fee_refresh= get "fee_refresh" |> amount;
fee_refund= get "fee_refund" |> amount;
cipher= (get "cipher" |> const_value "RSA" |> fun _s -> `RSA);
rsa_keysize= get "rsa_keysize" |> int;
age_restricted=
( get "age_restricted" |> yes_no |> function
| `NO -> `NO
| `YES -> fail "`age_restricted = YES` is not supported" );
}
let all_coins = List.map parse_coin coin_sections
end
module Exchange_secmod_rsa = struct
let get field =
let section = "taler-exchange-secmod-" ^ "rsa" in
get config_data ~section ~field
let lookahead_sign = get "lookahead_sign" |> duration
let overlap_duration = get "overlap_duration" |> duration
(* not relevant: sm_priv_key key_dir unixpath *)
end
module Exchange_secmod_eddsa = struct
let get field =
let section = "taler-exchange-secmod-" ^ "eddsa" in
get config_data ~section ~field
let lookahead_sign = get "lookahead_sign" |> duration
let overlap_duration = get "overlap_duration" |> duration
end
(* -- *)
include Exchange

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open Syntax
module Binary_format_rsa = struct
(* TODO tests:
- need to strip leading zeros?
- endianess ok? *)
(* RSA public key binary format
https://www.gnupg.org/documentation/manuals/gcrypt/MPI-formats.html
:= { uint16_be: n size; uint16_be: e size; n; e}
integer in big-endian format (MSB first)
leading zeroes are stripped unless they are required to keep a value positive
no 0-termination *)
let rev_string len s = String.init len (fun i -> s.[len - 1 - i])
(* we reverse bytes because Z.of_bits reads bytes in little endian *)
let z_of_bits_be src pos len =
String.sub src pos len |> rev_string len |> Z.of_bits
let z_to_bits_be z =
let bits = Z.to_bits z in
rev_string (String.length bits) bits
let z_array_to_octets (arr : Z.t array) =
let nb = Array.length arr in
let bits_arr = Array.map z_to_bits_be arr in
let len_arr = Array.map String.length bits_arr in
let len = (2 * nb) + Array.fold_left ( + ) 0 len_arr in
let b = Bytes.make len '\x00' in
let pos = ref 0 in
Array.iter
(fun len ->
Bytes.set_uint16_be b !pos len;
pos := !pos + 2)
len_arr;
Array.iteri
(fun i bits ->
let len = len_arr.(i) in
Bytes.blit_string bits 0 b !pos len;
pos := !pos + len)
bits_arr;
Bytes.unsafe_to_string b
let check = function
| false -> Error "rsa of_octets error, invalid data"
| true -> Ok ()
let z_array_of_octets ~nb s =
let s_len = String.length s in
let* () = check (s_len > 2 * nb) in
let pos = ref 0 in
let len_arr =
Array.init nb (fun _i ->
let len = String.get_uint16_be s !pos in
pos := !pos + 2;
len)
in
let* () =
let len = (2 * nb) + Array.fold_left ( + ) 0 len_arr in
check (s_len = len)
in
let z_arr =
Array.init nb (fun i ->
let len = len_arr.(i) in
let z = z_of_bits_be s !pos len in
pos := !pos + len;
z)
in
Ok z_arr
let pub_to_octets ({ n; e } : Mirage_crypto_pk.Rsa.pub) =
z_array_to_octets [| n; e |]
let pub_of_octets s =
let* arr = z_array_of_octets ~nb:2 s in
match arr with
| [| n; e |] ->
let+ pub = Mirage_crypto_pk.Rsa.pub ~n ~e |> unwrap_err_msg in
pub
| _ -> assert false
let priv_to_octets ({ e; d; n; p; q; dp; dq; q' } : Mirage_crypto_pk.Rsa.priv)
=
z_array_to_octets [| e; d; n; p; q; dp; dq; q' |]
let priv_of_octets s =
let* arr = z_array_of_octets ~nb:8 s in
match arr with
| [| e; d; n; p; q; dp; dq; q' |] ->
let+ priv =
Mirage_crypto_pk.Rsa.priv ~e ~d ~n ~p ~q ~dp ~dq ~q' |> unwrap_err_msg
in
priv
| _ -> assert false
end
(* TODO key format
- check what is the exact format in GNUNET
- endianess issue? *)
module EddsaPublicKey = struct
(* EdDSA and ECDHE public keys always point on Curve25519
and represented using the standard 256 bits Ed25519 compact format,
converted to Crockford Base32. *)
open Mirage_crypto_ec.Ed25519
type t = pub
let to_octets t = pub_to_octets t
let of_octets t =
pub_of_octets t |> function
| Error e -> Fmt.error "%a" Mirage_crypto_ec.pp_error e
| Ok v -> Ok v
let bin =
let of_octets_exn t = of_octets t |> Result.get_ok in
Bin.map (Bin.bytes 32) of_octets_exn to_octets
let of_b32 s =
let* octets = B32.decode s in
let* pub = of_octets octets in
Ok pub
let to_b32 t = B32.encode (to_octets t)
let jsont = Jsont.of_of_string ~kind:"EddsaPublicKey" of_b32 ~enc:to_b32
let caqti =
Caqti_type.custom
~encode:(fun v -> Ok (to_octets v))
~decode:(fun v -> of_octets v)
Caqti_type.octets
end
module EddsaPrivateKey = struct
(* EdDSA and ECDHE public keys always point on Curve25519
and represented using the standard 256 bits Ed25519 compact format,
converted to Crockford Base32. *)
open Mirage_crypto_ec.Ed25519
type t = priv
let pub_of_priv = pub_of_priv
let to_octets t = priv_to_octets t
let of_octets t =
priv_of_octets t |> function
| Error err ->
let err = Fmt.str "%a" Mirage_crypto_ec.pp_error err in
Error err
| Ok v -> Ok v
let bin =
let of_octets_exn t = of_octets t |> Result.get_ok in
Bin.map (Bin.bytes 32) of_octets_exn to_octets
let jsont =
let of_b32 s =
let* octets = B32.decode s in
of_octets octets
in
let to_b32 t = B32.encode (to_octets t) in
Jsont.of_of_string ~kind:"EddsaPrivateKey" of_b32 ~enc:to_b32
end
module EddsaSignature : sig
type t
val sign : key:EddsaPrivateKey.t -> string -> t
(* Ok () on verification success *)
val verify : key:EddsaPublicKey.t -> t -> msg:string -> (unit, string) result
val to_octets : t -> string
val of_octets : string -> (t, string) result
val jsont : t Jsont.t
val bin : t Bin.t
val caqti : t Caqti_type.t
end = struct
(* TODO key format
endianess issue? *)
(* transmitted as 64-bytes base32
binary-encoded objects with just the R and S values *)
type t = string
(* mirage_crypto: "The result is the concatenation of r and s, as specified in RFC 8032." *)
let sign ~key s = Mirage_crypto_ec.Ed25519.sign ~key s
let verify ~key s ~msg =
let b = Mirage_crypto_ec.Ed25519.verify ~key s ~msg in
match b with
| false -> Error "signature verification failure: invalid signature"
| true -> Ok ()
let to_octets t = t
let of_octets v =
match String.length v = 64 with
| false ->
Fmt.error "EddsaSignature.of_octets failure: data is not 64 bytes."
| true -> Ok v
let bin =
let of_octets_exn t = of_octets t |> Result.get_ok in
Bin.map (Bin.bytes 64) of_octets_exn to_octets
let check_size t =
match String.length t = 64 with
| false -> Error "EddsaSignature: invalid string length"
| true -> Ok ()
let jsont =
let of_b32 s =
let* t = B32.decode s in
let+ () = check_size t in
t
in
let to_b32 = B32.encode in
Jsont.of_of_string ~kind:"EddsaSignature" of_b32 ~enc:to_b32
let caqti =
Caqti_type.custom
~encode:(fun v -> Ok (to_octets v))
~decode:(fun s -> of_octets s)
Caqti_type.octets
end
module RsaPublicKey = struct
open Mirage_crypto_pk
type t = Rsa.pub
let to_octets = Binary_format_rsa.pub_to_octets
let of_octets = Binary_format_rsa.pub_of_octets
let jsont =
let of_b32 s =
let* s = B32.decode s in
let+ v = of_octets s in
v
in
let to_b32 t = B32.encode (to_octets t) in
Jsont.of_of_string ~kind:"RsaPublicKey" of_b32 ~enc:to_b32
let caqti : t Caqti_type.t =
Caqti_type.custom
~encode:(fun v -> Ok (to_octets v))
~decode:(fun v -> of_octets v)
Caqti_type.octets
end
module RsaPrivateKey = struct
open Mirage_crypto_pk.Rsa
type t = priv
let generate ~bits () =
let priv = generate ~bits () in
let pub = pub_of_priv priv in
(priv, pub)
let pub_of_priv = pub_of_priv
let of_octets = Binary_format_rsa.priv_of_octets
let to_octets = Binary_format_rsa.priv_to_octets
let jsont =
let of_b32 s =
let* s = B32.decode s in
let+ v = of_octets s in
v
in
let to_b32 t = B32.encode (to_octets t) in
Jsont.of_of_string ~kind:"RsaPrivateKey" of_b32 ~enc:to_b32
end
module RsaSignature : sig
type t
val sign : key:Mirage_crypto_pk.Rsa.priv -> string -> t
val jsont : t Jsont.t
end = struct
type t = string
(* TODO rsa sign *)
let sign ~key s =
Mirage_crypto_pk.Rsa.decrypt ~crt_hardening:true ~mask:`Yes ~key s
let jsont =
let of_b32 s = B32.decode s in
let to_b32 t = B32.encode t in
Jsont.of_of_string ~kind:"RsaSignature" of_b32 ~enc:to_b32
end
(* some type aliases, just for prettier .mli *)
type eddsa_priv = EddsaPrivateKey.t
type eddsa_pub = EddsaPublicKey.t
type eddsa_sig = EddsaSignature.t
type rsa_priv = RsaPrivateKey.t
type rsa_pub = RsaPublicKey.t
type rsa_sig = RsaSignature.t
type denomination_hash = Hash.DenominationHash.t

35
.jjconflict-side-0/src/data_file.ml
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@ -1,35 +0,0 @@
open Bos.OS
open Syntax
open Crypto
let read fname =
let* b = File.exists fname |> Syntax.unwrap_err_msg in
match b with
| false -> Ok None
| true ->
let+ content = File.read fname |> Syntax.unwrap_err_msg in
Some content
let write_eddsa fname priv =
EddsaPrivateKey.to_octets priv |> File.write fname |> Syntax.unwrap_err_msg
let write_rsa fname priv =
RsaPrivateKey.to_octets priv |> File.write fname |> Syntax.unwrap_err_msg
let read_eddsa fname =
let* opt = read fname in
match opt with
| None -> Ok None
| Some data -> (
EddsaPrivateKey.of_octets data |> function
| Error e -> Error e
| Ok v -> Ok (Some v))
let read_rsa fname =
let* opt = read fname in
match opt with
| None -> Ok None
| Some data -> (
RsaPrivateKey.of_octets data |> function
| Error e -> Error e
| Ok v -> Ok (Some v))

18
.jjconflict-side-0/src/denom_data.ml
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@ -1,18 +0,0 @@
open Crypto
type t = {
pub: rsa_pub;
value: Amount.t;
stamp_start: Timestamp.t;
stamp_expire_withdraw: Timestamp.t;
stamp_expire_deposit: Timestamp.t;
stamp_expire_legal: Timestamp.t;
fee_withdraw: Amount.t;
fee_deposit: Amount.t;
fee_refresh: Amount.t;
fee_refund: Amount.t;
age_mask: int;
h_pub: denomination_hash;
master_sig: Signatures.DenominationKeyValidity.t option;
revoked_sig: Signatures.MasterDenominationKeyRevocation.t option;
}

26
.jjconflict-side-0/src/devices.ml
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@ -1,26 +0,0 @@
type env = {
caqti_switch: Caqti_miou.Switch.t;
db_uri: Uri.t;
}
let db_connection : (env, Caqti_miou.connection) Vif.Device.device =
let finally (module Conn : Caqti_miou.CONNECTION) = Conn.disconnect () in
Vif.Device.v ~name:"db_connection" ~finally []
@@ fun { caqti_switch; db_uri } ->
match Caqti_miou_unix.connect ~sw:caqti_switch db_uri with
| Error err ->
Fmt.failwith "Database connection failure: %a." Caqti_error.pp err
| Ok conn -> (
match Pg.preflight conn with
| Error err ->
Fmt.failwith "Database preflight failure: %a." Caqti_error.pp err
| Ok () ->
Logs.info (fun m -> m "database connection initialized");
conn)
let secmod =
let finally _key = () in
Vif.Device.v ~name:"secmod" ~finally [ Vif.Device.value db_connection ]
@@ fun (module Conn : Pg.CONN) (_env : env) ->
let sm : (module Secmod.S) = (module Secmod.Make (Conn)) in
sm

45
.jjconflict-side-0/src/dune
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@ -1,45 +0,0 @@
(executable
(public_name mte)
(name mte)
(modules mte)
(libraries mte))
(library
(name mte)
(wrapped false)
(modules :standard \ mte b32)
(libraries
b32
include
;
caqti
caqti-miou
caqti-miou.unix
caqti-driver-pgx
bin
mirage-crypto
digestif
duration
vif
fmt
jsont
cohttp
ptime
logs
logs.fmt
logs.threaded
fmt.tty))
(library ; crockford base32
(name b32)
(modules b32)
(libraries base32))
(rule
(target assets_crunch.ml)
(deps
(source_tree ../data/assets/))
(action
(with-stdout-to
%{null}
(run ocaml-crunch -m plain ../data/assets -o %{target}))))

108
.jjconflict-side-0/src/hash.ml
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@ -1,108 +0,0 @@
open Digestif
module type S = sig
type t
val bin : t Bin.t
val caqti : t Caqti_type.t
val jsont : t Jsont.t
val hash : string -> t
val of_octets : string -> t
val to_octets : t -> string
val of_b32 : B32.t -> (t, string) result
end
module H32 = struct
type t = SHA256.t
let hash s = SHA256.(digest_string s)
let of_octets s =
match String.length s = 32 with
| false -> Fmt.failwith "Hash.of_octets failure: data is not 32 bytes"
| true -> SHA256.of_raw_string s
let to_octets = SHA256.to_raw_string
let of_b32 s = Result.map of_octets (B32.decode s)
let bin =
let open Bin in
map (bytes 32) of_octets to_octets
(* hashes are not b32 encoded in the database *)
let caqti =
let open Caqti_type in
custom
~encode:(fun v -> Ok (to_octets v))
~decode:(fun v -> Ok (of_octets v))
octets
let jsont =
let enc v = B32.encode (to_octets v) in
Jsont.of_of_string ~kind:"Hash 32" of_b32 ~enc
end
module H64 = struct
type t = SHA512.t
let hash s = SHA512.(digest_string s)
let of_octets s =
match String.length s = 64 with
| false -> Fmt.failwith "Hash.of_octets failure: data is not 64 bytes"
| true -> SHA512.of_raw_string s
let to_octets v =
let s = SHA512.to_raw_string v in
match String.length s = 64 with
| false -> Fmt.failwith "Hash.to_octets failure: data is not 64 bytes"
| true -> s
let of_b32 s = Result.map of_octets (B32.decode s)
let bin =
let open Bin in
map (bytes 64) of_octets to_octets
(* hashes are not b32 encoded in the database *)
let caqti =
let open Caqti_type in
custom
~encode:(fun v -> Ok (to_octets v))
~decode:(fun v -> Ok (of_octets v))
octets
let jsont =
let enc v = B32.encode (to_octets v) in
Jsont.of_of_string ~kind:"Hash 64" of_b32 ~enc
end
(* C-terminated strings
some strings need to be hashed with a '\0' termination char *)
module Cstring = struct
module H32 = struct
include H32
let hash s = hash (s ^ "\x00")
end
module H64 = struct
include H64
let hash s = hash (s ^ "\x00")
end
end
(* TODO
check which hash algorithm to use for each hash type *)
module FullPaytoHash : S = H32
module NormalizedPaytoHash : S = H32
module DenominationHash : S = H64
module PrivateContractHash : S = H64
module ExtensionsPolicyHash : S = H64
module MerchantWireHash : S = H64
module AgeCommitmentHash : S = H64
module BlindedCoinHash : S = H64
module CoinPubHash : S = H64
module OutputCommitmentHash : S = H64
module HashPlanchetsP : S = H64

52
.jjconflict-side-0/src/headers.ml
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@ -1,52 +0,0 @@
let pp_array pp_item item = Fmt.array ~sep:(Fmt.any ", ") pp_item item
let accept_header_value =
let s =
Fmt.str "%a"
(pp_array Assets.Mimetype.pp_mime)
Assets.supported_mimetype_arr
in
s
let avail_languages_header_value =
let s = Fmt.str "%a" (pp_array Fmt.string) Assets.supported_lang_arr in
s
let select_mimetype headers =
let accept = Vif.Headers.get headers "accept" in
Cohttp.Accept.media_ranges accept
|> Cohttp.Accept.qsort
|> List.filter_map (fun (_q, (m, _p)) -> Assets.Mimetype.of_cohttp_media m)
|> List.find_opt Assets.is_supported_mimetype
let select_language headers =
let accept_language = Vif.Headers.get headers "accept-language" in
Cohttp.Accept.languages accept_language
|> Cohttp.Accept.qsort
|> List.map (fun (_q, lang) -> lang)
|> List.map (function
| Cohttp.Accept.AnyLanguage -> Assets.default_lang
| Language language_range -> (
(* ignore language subtags (e.g. "en-US" -> "en") *)
match language_range with
| [] -> assert false
| primary_tag :: _ -> primary_tag))
|> List.find_opt Assets.is_supported_lang
|> Option.value ~default:Assets.default_lang
let select_encoding headers =
Vif.Headers.get headers "accept-encoding"
|> Cohttp.Accept.encodings
|> Cohttp.Accept.qsort
|> List.map snd
|> List.filter_map (function
| Cohttp.Accept.Identity -> Some `Identity
| Deflate -> Some `DEFLATE
| Gzip -> Some `Gzip
| AnyEncoding -> Some Assets.default_encoding
| Encoding _ | Compress -> (* unsupported *) None)
|> function
| [] -> assert false
| `Identity :: _ -> None
| `DEFLATE :: _ -> Some `DEFLATE
| `Gzip :: _ -> Some `Gzip

86
.jjconflict-side-0/src/headers_lib.ml
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@ -1,86 +0,0 @@
(* independent library for headers fields value *)
(* TODO - test - can still bypass this module and directly set Etag header, but
its fine *)
module Etag : sig
(* module to parse etags header fields used by If-Match and If-None-Match
headers
https://httpwg.org/specs/rfc9110.html#field.etag *)
type t
type header_value
val parse : string -> (header_value, string) result
val of_crockford32 : string -> (t, string) result
val to_raw_string : t -> string
val to_field_value : t -> string
val evaluate : t -> header_value -> bool
end = struct
(* raw etag *)
type t = string
(* type for the value of header field *)
type header_etag_item = {
weak: bool;
value: string;
}
type header_value =
| Any_etag
| Etag_list of header_etag_item list
let pp_header_etag_item ppf { weak; value } =
if weak then Fmt.pf ppf {|W/"%s"|} value else Fmt.pf ppf {|"%s"|} value
let to_raw_string t = t
let to_field_value t =
(* always weak comparison for If-None-Match header *)
let v = { weak= true; value= t } in
Fmt.str "%a" pp_header_etag_item v
let is_valid_char c =
let n = Char.code c in
(n >= 0x21 && n <= 0x7E && n <> 0x22) || (n >= 0x80 && n <= 0xFF)
let has_valid_charset s = String.for_all is_valid_char s
let of_crockford32 s =
match has_valid_charset s with
| false -> Error "invalid etag"
| true -> Ok s
let parse =
let open Angstrom in
let ws = skip_while (function ' ' -> true | _ -> false) in
let quoted_string =
char '"' *> take_till (fun c -> c = '"') <* char '"' >>= fun s ->
if String.for_all is_valid_char s then return s
else fail "found illegal char"
in
let item =
ws
*> lift2
(fun weak value -> { weak; value })
(option false (string "W/" *> return true))
quoted_string
<* ws
in
let comma = ws *> char ',' *> ws in
let list_of_items = sep_by1 comma item in
let parse_header_value =
char '*' *> return Any_etag
<|> (list_of_items >>| fun items -> Etag_list items)
<* end_of_input
in
fun s ->
match parse_string ~consume:Consume.All parse_header_value s with
| Error e -> Fmt.error "invalid etag: %s" e
| Ok v -> Ok v
let evaluate t header_value =
match header_value with
| Any_etag -> false
| Etag_list l ->
not @@ List.exists (fun { weak= _; value } -> String.equal t value) l
end

262
.jjconflict-side-0/src/http_keys.ml
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@ -1,262 +0,0 @@
open Syntax
open Api
module String_map = Stdlib.Map.Make (Stdlib.String)
(* TODO
for now we only have one item in each "denom group"
change this once we have denom/signkey rotation *)
let denomgroup_of_denomdata
Denom_data.
{
pub;
value;
stamp_start;
stamp_expire_withdraw;
stamp_expire_deposit;
stamp_expire_legal;
fee_withdraw;
fee_deposit;
fee_refresh;
fee_refund;
age_mask= _;
h_pub= _;
master_sig;
revoked_sig= _;
} =
let master_sig = match master_sig with None -> assert false | Some v -> v in
let denoms =
[
RsaDenom.
{
rsa_pub= pub;
master_sig;
stamp_start;
stamp_expire_withdraw;
stamp_expire_deposit;
stamp_expire_legal;
lost= None;
};
]
in
DenomGroup.Rsa
RsaDenomGroup.
{ denoms; value; fee_withdraw; fee_deposit; fee_refresh; fee_refund }
let mk_keys ~db_conn (module Sm : Secmod.S) ~last_issue_date =
let version = Api.protocol_version in
let base_url = Config.base_url in
let currency = Config.currency in
let shopping_url = Config.shopping_url in
let open_banking_gateway = Config.open_banking_gateway_url in
let bank_compliance_language = Config.bank_compliance_language in
let currency_specification =
let v = Config.Currency.v in
let alt_unit_names =
Parse_config.Alt_unit_names.encode_exn v.alt_unit_names
in
CurrencySpecification.
{
name= v.name;
num_fractional_input_digits= v.fractional_input_digits;
num_fractional_normal_digits= v.fractional_normal_digits;
num_fractional_trailing_zero_digits= v.fractional_trailing_zero_digits;
alt_unit_names;
common_amounts= [];
}
in
let tiny_amount = Config.tiny_amount in
let stefan_abs = Config.stefan_abs in
let stefan_log = Config.stefan_log in
let stefan_lin = Config.stefan_lin in
(* todo asset_type
Type of the asset. "fiat", "crypto", "regional" or "stock". *)
let asset_type = "xxx" in
let* accounts = Pg.get_wire_accounts db_conn |> unwrap_err_caqti in
let* wire_fees =
(* todo
where does wire_methods comes from? *)
let wire_method = "xxx" in
let+ wire_fees =
Pg.get_wire_fees db_conn ~wire_method |> unwrap_err_caqti
in
String_map.singleton wire_method wire_fees
in
let wads =
(* TODO wads *)
[]
in
let rewards_allowed = false in
let kyc_enabled = false in
let disable_direct_deposit = (* todo *) false in
let master_public_key = Config.master_public_key in
let reserve_closing_delay = Config.Exchangedb.idle_reserve_expiration_time in
(* todo *)
let wallet_balance_limit_without_kyc = None in
let hard_limits = [] in
let zero_limits = [] in
let denom_data_l =
(* TODO sm-db *)
(*Pg.get_denominations db_conn |> unwrap_err_caqti *)
Sm.get_denoms_data ()
in
let denom_data_l =
(* reverse chronological order *)
List.sort
(fun a b -> Stdlib.compare b.Denom_data.stamp_start a.stamp_start)
denom_data_l
in
let list_issue_date =
match denom_data_l with
| [] -> Time.Timestamp.never
| v :: _ -> v.Denom_data.stamp_start
in
let denominations =
let open Denom_data in
(* if `?last_issue_date` query param does not exactly match the `stamp_start`
of one of the denomination keys, all keys are returned *)
let l =
match last_issue_date with
| None -> denom_data_l
| Some last_issue_date -> (
match
List.find_opt
(fun v ->
Time.Timestamp.compare v.stamp_start last_issue_date = 0)
denom_data_l
with
| None -> denom_data_l
| Some _ ->
List.filter
(fun v ->
Time.Timestamp.compare v.stamp_start last_issue_date >= 0)
denom_data_l)
in
List.map denomgroup_of_denomdata l
in
let signkeys =
(* TODO sm-db
use database signkey data / verify secmod and database are in sync *)
(*
let now = Ptime_clock.now () |> Option.some in
let+ signkey_data_l = Pg.get_active_signkeys db_conn ~now |> unwrap_err_caqti in*)
let signkey_data_l = Sm.get_signkeys_data () in
let signkey_data_l =
List.sort
(fun a b ->
let open Signkey_data in
Stdlib.compare b.stamp_start a.stamp_start)
signkey_data_l
in
List.filter_map
(fun Signkey_data.
{
pub;
stamp_start;
stamp_expire;
stamp_end;
master_sig;
revoked_sig= _;
} ->
match master_sig with
| None -> None
| Some master_sig ->
Some
SignKey.
{ key= pub; stamp_start; stamp_expire; stamp_end; master_sig })
signkey_data_l
in
let exchange_pub =
(* the eddsa pub key used to sign exchange_sig *)
match signkeys with
| [] -> Fmt.failwith "exchange has no active signkey"
| v :: _ -> v.SignKey.key
in
let exchange_sig =
(* Compact EdDSA signature (binary-only) over the
contatentation of all of the master_sigs (in reverse
chronological order by group) in the arrays under "denominations". *)
let hc =
denom_data_l
|> List.filter_map (fun v -> v.Denom_data.master_sig)
|> List.map Signatures.DenominationKeyValidity.to_octets
|> String.concat ""
|> Hash.H64.hash
in
let open Signatures.ExchangeKeySet in
sign_f ~f:(Sm.sign_with_signkey ~pub:exchange_pub) R.{ list_issue_date; hc }
in
let recoup = (* TODO /recoup *) [] in
let* global_fees =
Pg.get_global_fees db_conn ~start_date:Timestamp.zero |> unwrap_err_caqti
in
let* auditors =
(* TODO /auditors/$AUDITOR_PUB/$H_DENOM_PUB *)
(* does not contains auditor_keys with empty denomination_keys *)
Pg.get_auditor_keys db_conn
in
let extensions = None in
let extensions_sig = None in
Ok
ExchangeKeysResponse.
{
version;
base_url;
currency;
shopping_url;
open_banking_gateway;
bank_compliance_language;
currency_specification;
tiny_amount;
stefan_abs;
stefan_log;
stefan_lin;
asset_type;
accounts;
wire_fees;
wads;
rewards_allowed;
kyc_enabled;
disable_direct_deposit;
master_public_key;
reserve_closing_delay;
wallet_balance_limit_without_kyc;
hard_limits;
zero_limits;
denominations;
exchange_sig;
exchange_pub;
recoup;
global_fees;
list_issue_date;
auditors;
signkeys;
extensions;
extensions_sig;
}
let jsont = ExchangeKeysResponse.jsont
(* TODO query param ?last_issue_date *)
let f req server _env =
Logs.info (fun m -> m "GET /keys/");
let db_conn = Vif.Server.device Devices.db_connection server in
let sm = Vif.Server.device Devices.secmod server in
let res =
let* last_issue_date =
match Vif.Queries.get req "last_issue_date" with
| [] -> Ok None
| v :: _ -> (
match int_of_string_opt v with
| None ->
Error
"invalid `?last_issue_date` query param, int_of_string failure"
| Some n -> Ok (Some (Time.Timestamp.of_s (Int64.of_int n))))
in
let* v = mk_keys ~db_conn sm ~last_issue_date in
let s = Api.encode_exn jsont v in
Ok s
in
Respond_util.respond_with_res res req

77
.jjconflict-side-0/src/mte.ml
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@ -1,77 +0,0 @@
(* MTE - the MirageOS Taler Exchange
Copyright (C) 2025 Olivier Pierre <swrup@protonmail.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, version 3.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. *)
let hello req _server _env =
let open Vif.Response in
let open Syntax in
let* () = with_string req "Hello~~\n" in
let* () = add ~field:"content-type" "text/plain" in
respond `OK
let routes =
let open Vif.Uri in
let open Vif.Route in
let get_ path = get (path /?? any) in
let post path jsont = post (Vif.Type.json_encoding jsont) (path /?? any) in
let tos =
let v s = rel / s in
[
get_ rel --> hello;
get_ (v "terms") --> Static.terms;
get_ (v "privacy") --> Static.privacy;
]
in
let status_info = [ get_ (rel / "keys") --> Http_keys.f ] in
let management =
let open Http_management in
let v s = rel / "management" / s in
[
get_ (v "keys") --> Keys_get.f;
post (v "keys") Keys_post.jsont --> Keys_post.f;
post (v "denominations" /% string `Path / "revoke") Denom_revoke.jsont
--> Denom_revoke.f;
post (v "signkeys" /% string `Path / "revoke") Signkey_revoke.jsont
--> Signkey_revoke.f;
post (v "auditors") Auditors.jsont --> Auditors.f;
post (v "auditors" /% string `Path / "disable") Auditors_disable.jsont
--> Auditors_disable.f;
post (v "wire-fee") Wire_fee.jsont --> Wire_fee.f;
post (v "global-fees") Global_fees.jsont --> Global_fees.f;
post (v "wire") Wire.jsont --> Wire.f;
post (v "wire" / "disable") Wire_disable.jsont --> Wire_disable.f;
post (v "drain") Drain.jsont --> Drain.f;
post (v "aml-officers") AmlOfficer.jsont --> AmlOfficer.f;
post (v "partners") Partners.jsont --> Partners.f;
]
in
tos @ status_info @ management
let () =
Util.Log_reporter.setup ();
let cfg =
let port = Config.Exchange.port in
let sockaddr = Unix.(ADDR_INET (inet_addr_loopback, port)) in
Vif.config ~reporter:Util.Log_reporter.reporter sockaddr
in
Miou_unix.run @@ fun () ->
Caqti_miou.Switch.run @@ fun caqti_switch ->
let env : Devices.env =
{ caqti_switch; db_uri= Config.Exchangedb_postgres.config }
in
let devices = Vif.Devices.[ Devices.db_connection; Devices.secmod ] in
let middlewares = Vif.Middlewares.[] in
Logs.info (fun m ->
m ~tags:(Util.Log_reporter.detail "...") "Starting MTE server");
Vif.run ~cfg ~devices ~middlewares routes env

262
.jjconflict-side-0/src/parse_config.ml
View file

@ -1,262 +0,0 @@
(* parse config file
https://docs.taler.net/manpages/taler-exchange.conf.5.html
do not support "$"-path expansion*)
open Angstrom
type item = {
key: string;
value: string;
}
type section = {
header: string;
items: item list;
}
let fail fmt =
let k _ppf = exit 1 in
Fmt.kpf k Fmt.stderr ("Configuration failure: " ^^ fmt ^^ ".@.")
let is_eol = function '\n' | '\r' -> true | _ -> false
let is_whitespace = function ' ' | '\t' -> true | _ -> false
let whitespace = skip_while is_whitespace
module Parse_data = struct
type line =
| Blank
| Comment of string
| Header of string
| Item of item
let id =
let ident_char = function
| 'a' .. 'z' | 'A' .. 'Z' | '0' .. '9' | '_' | '-' -> true
| _ -> false
in
take_while1 ident_char >>| String.lowercase_ascii
let take_till_end_of_line =
take_till is_eol >>= fun s -> return s <* end_of_line
let blank = whitespace <* end_of_line >>| fun () -> Blank
let comment =
whitespace *> (char '#' <|> char '%') *> take_till_end_of_line >>| fun s ->
Comment s
let header = char '[' *> id <* char ']' <* end_of_line >>| fun s -> Header s
let item_value =
let unquoted_value =
take_while1 (fun c -> not (is_whitespace c || is_eol c))
in
let quoted_value =
char '"' *> take_till is_eol >>= fun s ->
match String.ends_with ~suffix:"\"" s with
| false -> fail "invalid quoted value"
| true ->
let value = String.sub s 0 (String.length s - 1) in
return value
in
quoted_value <|> unquoted_value
let item =
lift2
(fun key value -> Item { key; value })
id
(whitespace *> char '=' *> whitespace *> item_value)
<* end_of_line
let config = many (choice [ blank; comment; header; item ]) <* end_of_input
let fold_sections l =
let rec loop section_l item_l l =
match l with
| [] ->
if List.is_empty item_l then section_l
else fail "invalid configuration structure"
| Blank :: tl | Comment _ :: tl -> loop section_l item_l tl
| Item item :: tl -> loop section_l (item :: item_l) tl
| Header header :: tl ->
let section = { header; items= item_l } in
loop (section :: section_l) [] tl
in
loop [] [] (List.rev l)
let parse s =
match parse_string ~consume:All config s with
| Error msg -> fail "parse error `%s`" msg
| Ok v -> fold_sections v
end
module Pp_debug = struct
let pp_item ppf { key; value } =
let open Fmt in
match String.contains value '"' || String.contains value ' ' with
| false -> pf ppf "%s = %s" key value
| true -> pf ppf "%s = \"%s\"" key value
let pp_line ppf line =
let open Fmt in
let open Parse_data in
match line with
| Blank -> Fmt.nop ppf ()
| Comment s -> pf ppf "#%s" s
| Header s -> pf ppf "[%s]" s
| Item item -> pf ppf "%a" pp_item item
let _pp_lines ppf raw_line_l =
let open Fmt in
pf ppf "%a" (list ~sep:(any "\n") pp_line) raw_line_l
let pp_section ppf { header; items } =
let open Fmt in
pf ppf "[%s]@\n%a" header (list ~sep:(any "\n") pp_item) items
let pp_config ppf l =
let open Fmt in
pf ppf "%a" (list ~sep:(any "\n") pp_section) l
end
[@@ocaml.warning "-32"]
module Parse_duration = struct
type duration_element = {
number: int;
dunit: [ `Year | `Week | `Day | `Hour | `Minute | `Second ];
}
let integer =
take_while1 (function '0' .. '9' -> true | _ -> false) >>= fun s ->
match int_of_string_opt s with
| None -> fail "expected integer, got `%s`" s
| Some i -> return i
let duration_element =
let number = whitespace *> integer in
let dunit =
whitespace *> take_while1 (fun c -> not (is_whitespace c || is_eol c))
>>= function
| "year" | "years" -> return `Year
| "week" | "weeks" -> return `Week
| "day" | "days" -> return `Day
| "hour" | "hours" -> return `Hour
| "minute" | "minutes" -> return `Minute
| "second" | "seconds" | "s" -> return `Second
| s -> fail "expected a duration unit, got `%s`" s
in
lift2 (fun number dunit -> { number; dunit }) number dunit
let duration = many1 duration_element <* end_of_input
(* TODO put this in Time.Relative *)
let dunit_to_seconds u =
let rec f = function
| `Year -> 365 * f `Day
| `Week -> 7 * f `Day
| `Day -> 24 * f `Hour
| `Hour -> 60 * f `Minute
| `Minute -> 60 * f `Second
| `Second -> 1
in
f u
let ptime_span_of_int64 i =
match Ptime.Span.of_float_s (Int64.to_float i) with
| None ->
fail "ptime_span_of_int64 error: `%Ld` is not a valid ptime span" i
| Some ts -> ts
let to_time_span t =
let acc =
List.fold_left
(fun acc { number; dunit } -> acc + (number * dunit_to_seconds dunit))
0 t
in
let acc = Int64.of_int acc in
Time.Relative.of_s acc
let parse s : duration_element list =
match parse_string ~consume:All duration s with
| Error msg -> fail "duration parse error `%s`" msg
| Ok v -> v
end
let unwrap_res = function Error e -> fail "`%s`." e | Ok v -> v
let get_opt t ~section ~field =
match List.find_opt (fun v -> v.header = section) t with
| None -> None
| Some v -> (
match List.find_opt (fun item -> item.key = field) v.items with
| None -> None
| Some item -> Some item.value)
let get t ~section ~field =
match get_opt t ~section ~field with
| None -> fail "option `[%s].%s` not found" section field
| Some v -> v
let int s =
match int_of_string_opt s with
| None -> fail "expected int value, got `%s`" s
| Some v -> v
let float s =
match float_of_string_opt s with
| None -> fail "expected float value, got `%s`" s
| Some v -> v
let const_value a b =
match a = b with false -> fail "unexpected value `%s`" b | true -> a
let yes_no = function
| "NO" -> `NO
| "YES" -> `YES
| s -> fail "expected `YES`/`NO` value, got `%s`" s
let uri s = Uri.of_string s
let amount s = s |> Amount.of_string |> unwrap_res
let duration s = Parse_duration.(s |> parse |> to_time_span)
let ed25519 s =
s
|> B32.decode
|> unwrap_res
|> Mirage_crypto_ec.Ed25519.pub_of_octets
|> Result.map_error (fun e -> Fmt.str "%a" Mirage_crypto_ec.pp_error e)
|> unwrap_res
(* TODO
move to another module
can we type the json as a Int_map directly? *)
module Alt_unit_names = struct
open Syntax
module String_map = Map.Make (String)
let string_map_jsont = Jsont.Object.as_string_map Jsont.string
let decode s =
let* string_map = Jsont_bytesrw.decode_string string_map_jsont s in
let l = String_map.to_list string_map in
let* l =
list_map
(fun (k, v) ->
match int_of_string_opt k with
| None -> Error "alt_unit_names has a non-integer key"
| Some k -> Ok (k, v))
l
in
match List.find_opt (fun (i, _) -> i = 0) l with
| None -> Error "alt_unit_names with no entry for base value \"0\""
| Some _ -> Ok l
let encode l =
let l = List.map (fun (k, v) -> (string_of_int k, v)) l in
let string_map = String_map.of_list l in
let+ s = Jsont_bytesrw.encode_string string_map_jsont string_map in
s
let encode_exn l = encode l |> Result.get_ok
end

374
.jjconflict-side-0/src/pg.ml
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@ -1,374 +0,0 @@
(* TODO
check there is no issues with signed/unsigned integers
how to fix postgres/caqti tuple type?
try something with OID?
need to add boilerplate in each query for amounts
GNU Taler db-events?
it seems caqti/pgx does not support it
transaction
should check validity of signatures got from db, for /management at least
clean up caqti error type *)
(* TODO time
fix comparison with timestamp footgun *)
module type CONN = Caqti_miou.CONNECTION
module Caqti_type = struct
include Caqti_type
include Pg_type
include Caqti_request.Infix
end
open Crypto
open Api
let preflight =
let l =
List.map
Caqti_type.(unit ->. unit)
[
"SET SESSION CHARACTERISTICS AS TRANSACTION ISOLATION LEVEL \
SERIALIZABLE;";
"SET enable_sort=OFF;";
"SET enable_seqscan=OFF;";
"SET enable_mergejoin=OFF;";
"SET search_path TO exchange;";
]
in
fun (module Conn : CONN) -> Syntax.list_iter (fun p -> Conn.exec p ()) l
let find_signkey =
let find_signkey =
Caqti_type.(eddsa_pub ->? signkey_data)
"SELECT esk.exchange_pub, esk.valid_from, esk.expire_sign, \
esk.expire_legal, esk.master_sig, skr.master_sig FROM \
exchange_sign_keys AS esk LEFT JOIN signkey_revocations AS skr ON \
esk.esk_serial = skr.esk_serial WHERE esk.exchange_pub=$1"
in
fun (module Conn : CONN) (exchange_pub : EddsaPublicKey.t) ->
Conn.find_opt find_signkey exchange_pub
let get_active_signkeys =
let get_active_signkeys =
Caqti_type.(time ->* signkey_data)
"SELECT esk.exchange_pub, esk.valid_from, esk.expire_sign, \
esk.expire_legal, esk.master_sig, NULL FROM exchange_sign_keys esk \
WHERE expire_sign > $1 AND NOT EXISTS (SELECT esk_serial FROM \
signkey_revocations AS skr WHERE esk.esk_serial = skr.esk_serial)"
in
fun (module Conn : CONN) ~now -> Conn.collect_list get_active_signkeys now
(* note: does not update revocation *)
let insert_signkey =
let insert_signkey =
Caqti_type.(signkey_data ->. unit)
"INSERT INTO exchange_sign_keys (exchange_pub, valid_from, expire_sign, \
expire_legal, master_sig) VALUES ($1, $2, $3, $4, $5)"
in
fun (module Conn : CONN) v -> Conn.exec insert_signkey v
let find_denom =
let find_denom =
Caqti_type.(denomination_hash ->? denom_data)
"SELECT dn.denom_pub, (dn.coin).*, dn.valid_from, dn.expire_withdraw, \
dn.expire_deposit, dn.expire_legal, (dn.fee_withdraw).*, \
(dn.fee_deposit).*, (dn.fee_refresh).*, (dn.fee_refund).*, dn.age_mask, \
dn.denom_pub_hash, dn.master_sig, dnr.master_sig FROM denominations AS \
dn LEFT JOIN denomination_revocations AS dnr ON dn.denominations_serial \
= dnr.denominations_serial WHERE dn.denom_pub_hash=$1"
in
fun (module Conn : CONN) h_denom_pub -> Conn.find_opt find_denom h_denom_pub
let get_denominations =
let get_denominations =
Caqti_type.(unit ->* denom_data)
"SELECT dn.denom_pub, (dn.coin).*, dn.valid_from, dn.expire_withdraw, \
dn.expire_deposit, dn.expire_legal, (dn.fee_withdraw).*, \
(dn.fee_deposit).*, (dn.fee_refresh).*, (dn.fee_refund).*, dn.age_mask, \
dn.denom_pub_hash, dn.master_sig, dnr.master_sig FROM denominations AS \
dn LEFT JOIN denomination_revocations AS dnr ON dn.denominations_serial \
= dnr.denominations_serial"
in
fun (module Conn : CONN) -> Conn.collect_list get_denominations ()
(* note: does not update revocation *)
let insert_denom =
let insert_denom =
Caqti_type.(denom_data ->. unit)
"INSERT INTO denominations (denom_pub, coin, valid_from, \
expire_withdraw, expire_deposit, expire_legal, fee_withdraw, \
fee_deposit, fee_refresh, fee_refund, age_mask, denom_pub_hash, \
master_sig) VALUES ($1, ($2, $3), $4, $5, $6, $7, ($8,$9), ($10,$11), \
($12,$13), ($14,$15), $16, $17, $18)"
in
fun (module Conn : CONN) v -> Conn.exec insert_denom v
let insert_denomination_revocation =
let denomination_revocation_insert =
let master_sig = Signatures.MasterDenominationKeyRevocation.caqti in
Caqti_type.(t2 denomination_hash master_sig ->. unit)
"INSERT INTO denomination_revocations (denominations_serial, master_sig) \
SELECT denominations_serial, $2 FROM denominations WHERE \
denom_pub_hash=$1"
in
fun (module Conn : CONN) h_denom_pub master_sig ->
Conn.exec denomination_revocation_insert (h_denom_pub, master_sig)
let insert_signkey_revocation =
let signkey_revocation_insert =
let master_sig = Signatures.MasterSigningKeyRevocation.caqti in
Caqti_type.(t2 eddsa_pub master_sig ->. unit)
"INSERT INTO signkey_revocations (esk_serial, master_sig) SELECT \
esk_serial, $2 FROM exchange_sign_keys WHERE exchange_pub=$1"
in
fun (module Conn : CONN) exchange_pub master_sig ->
Conn.exec signkey_revocation_insert (exchange_pub, master_sig)
let get_auditor_timestamp =
let get_auditor_timestamp =
Caqti_type.(eddsa_pub ->? time)
"SELECT last_change FROM auditors WHERE auditor_pub=$1"
in
fun (module Conn : CONN) auditor_pub ->
Conn.find_opt get_auditor_timestamp auditor_pub
let insert_auditor =
let insert_auditor =
Caqti_type.(t4 eddsa_pub string string time ->. unit)
"INSERT INTO auditors (auditor_pub, auditor_name, auditor_url, \
is_active, last_change) VALUES ($1, $2, $3, true, $4)"
in
fun (module Conn : CONN)
AuditorSetupMessage.
{ auditor_url; auditor_name; auditor_pub; master_sig= _; validity_start }
->
Conn.exec insert_auditor
(auditor_pub, auditor_name, auditor_url, validity_start)
let update_auditor =
let update_auditor =
Caqti_type.(t5 eddsa_pub string string bool time ->. unit)
"UPDATE auditors SET auditor_url=$2, auditor_name=$3, is_active=$4, \
last_change=$5 WHERE auditor_pub=$1"
in
fun (module Conn : CONN)
AuditorSetupMessage.
{ auditor_url; auditor_name; auditor_pub; master_sig= _; validity_start }
->
Conn.exec update_auditor
(auditor_pub, auditor_url, auditor_name, true, validity_start)
let disable_auditor =
let update_auditor =
Caqti_type.(t5 eddsa_pub string string bool time ->. unit)
"UPDATE auditors SET auditor_url=$2, auditor_name=$3, is_active=$4, \
last_change=$5 WHERE auditor_pub=$1"
in
fun (module Conn : CONN) ~auditor_pub ~change_date ->
Conn.exec update_auditor (auditor_pub, "", "", false, change_date)
let insert_auditor_denom_sig =
let insert_auditor_denom_sig =
let auditor_sig = Signatures.ExchangeKeyValidity.caqti in
Caqti_type.(t3 eddsa_pub denomination_hash auditor_sig ->. unit)
"WITH ax AS (SELECT auditor_uuid FROM auditors WHERE auditor_pub=$1) \
INSERT INTO auditor_denom_sigs (auditor_uuid, denominations_serial, \
auditor_sig) SELECT ax.auditor_uuid, denominations_serial, $3 FROM \
denominations CROSS JOIN ax WHERE denom_pub_hash=$2 ON CONFLICT DO \
NOTHING"
in
fun (module Conn : CONN) ~auditor_pub ~h_denom_pub ~auditor_sig ->
Conn.exec insert_auditor_denom_sig (auditor_pub, h_denom_pub, auditor_sig)
(* todo auditors
maybe check that url and name are unique/same for each auditor_pub
and do the ht logic out of pg.ml? *)
(* this does not return auditors that are not auditing any denom *)
let get_auditor_keys =
let get_auditor_keys =
let auditor_sig = Signatures.ExchangeKeyValidity.caqti in
Caqti_type.(
unit ->* t5 eddsa_pub string string denomination_hash auditor_sig)
"SELECT a.auditor_pub, a.auditor_url, a.auditor_name, dn.denom_pub_hash, \
ads.auditor_sig FROM auditor_denom_sigs AS ads JOIN auditors AS a USING \
(auditor_uuid) JOIN denominations AS dn USING (denominations_serial) \
WHERE a.is_active"
in
fun (module Conn : CONN) ->
let open Syntax in
let* l = Conn.collect_list get_auditor_keys () |> unwrap_err_caqti in
let ht = Hashtbl.create 0xff in
List.iter
(fun (pub, url, name, denom_pub_h, auditor_sig) ->
let k = (pub, url, name) in
match Hashtbl.find_opt ht k with
| None -> Hashtbl.replace ht k [ (denom_pub_h, auditor_sig) ]
| Some l -> Hashtbl.replace ht k ((denom_pub_h, auditor_sig) :: l))
l;
let l = Hashtbl.to_seq ht |> List.of_seq in
let l =
List.map
(fun ((auditor_pub, auditor_url, auditor_name), auditor_denoms) ->
let denomination_keys =
List.map
(fun (denom_pub_h, auditor_sig) ->
AuditorDenominationKey.{ denom_pub_h; auditor_sig })
auditor_denoms
in
AuditorKeys.
{ auditor_pub; auditor_url; auditor_name; denomination_keys })
l
in
Ok l
let insert_wire_fee =
let insert_wire_fee =
let master_sig = Signatures.MasterWireFee.caqti in
Caqti_type.(t6 wire_method time time amount amount master_sig ->. unit)
"INSERT INTO wire_fee (wire_method, start_date, end_date, wire_fee, \
closing_fee, master_sig) VALUES ($1, $2, $3, ($4,$5), ($6,$7), $8)"
in
fun (module Conn : CONN)
WireFeeSetupMessage.
{
wire_method;
master_sig_wire;
fee_start;
fee_end;
closing_fee;
wire_fee;
}
->
Conn.exec insert_wire_fee
(wire_method, fee_start, fee_end, wire_fee, closing_fee, master_sig_wire)
let get_wire_fees_by_time =
let get_wire_fee_by_time =
Caqti_type.(t3 wire_method time time ->* aggregate_transfer_fee)
"SELECT (wire_fee).*, (closing_fee).*, start_date, end_date, master_sig \
FROM wire_fee WHERE wire_method=$1 AND end_date > $2 AND start_date < \
$3"
in
fun (module Conn : CONN) ~wire_method ~start_date ~end_date ->
Conn.collect_list get_wire_fee_by_time (wire_method, start_date, end_date)
let get_wire_fees =
let get_wire_fees =
Caqti_type.(string ->* aggregate_transfer_fee)
"SELECT (wire_fee).*, (closing_fee).*, start_date, end_date, master_sig \
FROM wire_fee WHERE wire_method=$1"
in
fun (module Conn : CONN) ~wire_method ->
Conn.collect_list get_wire_fees wire_method
let get_global_fees =
let get_global_fees =
Caqti_type.(time ->* global_fee)
"SELECT start_date, end_date, (history_fee).*, (account_fee).*, \
(purse_fee).*, history_expiration, purse_account_limit, purse_timeout, \
master_sig FROM global_fee WHERE start_date >= $1"
in
fun (module Conn : CONN) ~start_date ->
Conn.collect_list get_global_fees start_date
let get_global_fees_by_time =
let get_global_fees_by_time =
Caqti_type.(t2 time time ->* global_fee)
"SELECT start_date, end_date, (history_fee).*, (account_fee).*, \
(purse_fee).*, history_expiration, purse_account_limit, purse_timeout, \
master_sig FROM global_fee WHERE start_date >= $1 AND end_date <= $2"
in
fun (module Conn : CONN) ~start_date ~end_date ->
Conn.collect_list get_global_fees_by_time (start_date, end_date)
let insert_global_fees =
let insert_global_fees =
Caqti_type.(global_fee ->. unit)
"INSERT INTO global_fee (start_date, end_date, history_fee, account_fee, \
purse_fee, history_expiration, purse_account_limit, purse_timeout, \
master_sig) VALUES ($1, $2, ($3,$4), ($5,$6), ($7,$8), $9, $10, $11, \
$12)"
in
fun (module Conn : CONN) v -> Conn.exec insert_global_fees v
let get_wire_timestamp =
let get_wire_timestamp =
Caqti_type.(payto_uri ->? time)
"SELECT last_change FROM wire_accounts WHERE payto_uri=$1"
in
fun (module Conn : CONN) ~payto_uri ->
Conn.find_opt get_wire_timestamp payto_uri
let insert_wire =
let insert_wire =
Caqti_type.(t3 exchange_wire_account bool time ->. unit)
"INSERT INTO wire_accounts (payto_uri, conversion_url, \
credit_restrictions, debit_restrictions, master_sig, bank_label, \
priority, is_active, last_change) VALUES \
($1,$2,$3::TEXT::JSONB,$4::TEXT::JSONB,$5,$6,$7,true,$8)"
in
fun (module Conn : CONN) ~last_change v ->
let is_active = true in
Conn.exec insert_wire (v, is_active, last_change)
let update_wire =
let update_wire =
Caqti_type.(t3 exchange_wire_account bool time ->. unit)
"UPDATE wire_accounts SET conversion_url=$2, \
debit_restrictions=$3::TEXT::JSONB, \
credit_restrictions=$4::TEXT::JSONB, master_sig=$5, bank_label=$6, \
priority=$7, is_active=$8, last_change=$9 WHERE payto_uri=$1"
in
fun (module Conn : CONN) ~is_active ~last_change v ->
Conn.exec update_wire (v, is_active, last_change)
let disable_wire =
let disable_wire =
(* TODO check syntax on this *)
Caqti_type.(t2 payto_uri time ->. unit)
"UPDATE wire_accounts SET conversion_url=NULL, debit_restrictions=NULL, \
credit_restrictions=NULL, master_sig=NULL, bank_label=NULL, \
priority=NULL, is_active=FALSE, last_change=$2 WHERE payto_uri=$1"
in
fun (module Conn : CONN) ~payto_uri ~validity_end ->
Conn.exec disable_wire (payto_uri, validity_end)
let get_wire_accounts =
let get_wire_accounts =
Caqti_type.(unit ->* exchange_wire_account)
"SELECT payto_uri, conversion_url, debit_restrictions::TEXT, \
credit_restrictions::TEXT, master_sig, bank_label, priority FROM \
wire_accounts WHERE is_active"
in
fun (module Conn : CONN) -> Conn.collect_list get_wire_accounts ()
let insert_drain_profit =
let insert_drain_profit =
Caqti_type.(drain_profit_message ->. unit)
"INSERT INTO profit_drains (wtid, account_section, payto_uri, \
trigger_date, amount, master_sig) VALUES ($1, $2, $3, $4, ($5,$6), $7)"
in
fun (module Conn : CONN) v -> Conn.exec insert_drain_profit v
let insert_aml_officer =
let exchange_do_insert_aml_officer =
Caqti_type.(aml_officer_setup ->! time)
"SELECT out_last_change FROM exchange_do_insert_aml_officer ($1, $2, $3, \
$4, $5, $6)"
in
fun (module Conn : CONN) v -> Conn.find exchange_do_insert_aml_officer v
let insert_partner =
let insert_partner =
Caqti_type.(exchange_partner_setup ->. unit)
"INSERT INTO partners (partner_master_pub, start_date, end_date, \
wad_frequency, wad_fee, master_sig, partner_base_url) VALUES ($1, $2, \
$3, $4, ($5,$6), $7, $8) ON CONFLICT DO NOTHING"
in
fun (module Conn : CONN) v -> Conn.exec insert_partner v

377
.jjconflict-side-0/src/pg_type.ml
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@ -1,377 +0,0 @@
(* this module defines caqti encoding/decodings *)
open Caqti_type
open Crypto
open Api
(* TODO
check that we use Caqti_type.octets for binary data *)
let amount : Amount.t t =
let open Amount in
custom
~encode:(fun amount -> Ok (amount.value, amount.fraction))
~decode:(fun (value, fraction) ->
Amount.make ~sign:None ~currency:Config.currency ~value ~fraction)
(t2 int64 int32)
(* we want to use int64 timestamps,
not postgresql built-in timestamp type *)
let ptime : unit t = Caqti_type.unit
let time = Timestamp.caqti
let time_span = Time.Relative.caqti
let age_mask : int t = Caqti_type.int
let rsa_pub = RsaPublicKey.caqti
let eddsa_pub = EddsaPublicKey.caqti
let eddsa_sig = EddsaSignature.caqti
(* todo: enum type for wire_method? *)
let wire_method = Caqti_type.string
let payto_uri = Caqti_type.string
let b32 = B32.caqti
include struct
(* alias for hash *)
open Hash
let fullpayto_hash = FullPaytoHash.caqti
let nomalizaedpayto_hash = NormalizedPaytoHash.caqti
let denomination_hash = DenominationHash.caqti
let privatecontract_hash = PrivateContractHash.caqti
let extensionspolicy_hash = ExtensionsPolicyHash.caqti
let merchantwire_hash = MerchantWireHash.caqti
let agecommitment_hash = AgeCommitmentHash.caqti
let blindedcoin_hash = BlindedCoinHash.caqti
let coinpub_hash = CoinPubHash.caqti
let outputcommitment_hash = OutputCommitmentHash.caqti
let planchets_hash = HashPlanchetsP.caqti
end
let signkey_data =
let master_sig = Signatures.ExchangeSigningKeyValidity.caqti in
let revoked_sig = option Signatures.MasterSigningKeyRevocation.caqti in
custom
~encode:(fun
Signkey_data.
{ pub; stamp_start; stamp_expire; stamp_end; master_sig; revoked_sig }
->
match master_sig with
| None -> Error "signkey_data master_sig is none"
| Some master_sig ->
Ok (pub, stamp_start, stamp_expire, stamp_end, master_sig, revoked_sig))
~decode:(fun
(pub, stamp_start, stamp_expire, stamp_end, master_sig, revoked_sig) ->
Ok
{
pub;
stamp_start;
stamp_expire;
stamp_end;
master_sig= Some master_sig;
revoked_sig;
})
(t6 eddsa_pub time time time master_sig revoked_sig)
let denom_data =
let master_sig = Signatures.DenominationKeyValidity.caqti in
let revoked_sig = option Signatures.MasterDenominationKeyRevocation.caqti in
custom
~encode:(fun
Denom_data.
{
pub;
value;
stamp_start;
stamp_expire_withdraw;
stamp_expire_deposit;
stamp_expire_legal;
fee_withdraw;
fee_deposit;
fee_refresh;
fee_refund;
age_mask;
h_pub;
master_sig;
revoked_sig;
}
->
match master_sig with
| None -> Error "denom_data master_sig is none"
| Some master_sig ->
Ok
( pub,
value,
stamp_start,
stamp_expire_withdraw,
stamp_expire_deposit,
stamp_expire_legal,
fee_withdraw,
fee_deposit,
fee_refresh,
fee_refund,
age_mask,
(h_pub, master_sig, revoked_sig) ))
~decode:(fun
( pub,
value,
stamp_start,
stamp_expire_withdraw,
stamp_expire_deposit,
stamp_expire_legal,
fee_withdraw,
fee_deposit,
fee_refresh,
fee_refund,
age_mask,
(h_pub, master_sig, revoked_sig) )
->
Ok
{
pub;
value;
stamp_start;
stamp_expire_withdraw;
stamp_expire_deposit;
stamp_expire_legal;
fee_withdraw;
fee_deposit;
fee_refresh;
fee_refund;
age_mask;
h_pub;
master_sig= Some master_sig;
revoked_sig;
})
(t12 rsa_pub amount time time time time amount amount amount amount int
(t3 denomination_hash master_sig revoked_sig))
let account_restrictions =
custom
~encode:(fun l -> Api.encode (Jsont.list AccountRestriction.jsont) l)
~decode:(fun s -> Api.decode (Jsont.list AccountRestriction.jsont) s)
string
let global_fee =
let master_sig = Signatures.GlobalFees.caqti in
custom
~encode:(fun
GlobalFees.
{
start_date;
end_date;
history_fee;
account_fee;
purse_fee;
history_expiration;
purse_account_limit;
purse_timeout;
master_sig;
}
->
Ok
( start_date,
end_date,
history_fee,
account_fee,
purse_fee,
history_expiration,
purse_account_limit,
purse_timeout,
master_sig ))
~decode:(fun
( start_date,
end_date,
history_fee,
account_fee,
purse_fee,
history_expiration,
purse_account_limit,
purse_timeout,
master_sig )
->
Ok
{
start_date;
end_date;
history_fee;
account_fee;
purse_fee;
history_expiration;
purse_account_limit;
purse_timeout;
master_sig;
})
Caqti_type.(
t9 time time amount amount amount time_span int32 time_span master_sig)
let aggregate_transfer_fee =
let master_sig = Signatures.MasterWireFee.caqti in
Caqti_type.custom
~encode:(fun
AggregateTransferFee.
{ wire_fee; closing_fee; start_date; end_date; sig_ }
-> Ok (wire_fee, closing_fee, start_date, end_date, sig_))
~decode:(fun (wire_fee, closing_fee, start_date, end_date, sig_) ->
Ok
AggregateTransferFee.
{ wire_fee; closing_fee; start_date; end_date; sig_ })
Caqti_type.(t5 amount amount time time master_sig)
let exchange_wire_account =
let master_sig = Signatures.MasterWireDetails.caqti in
Caqti_type.custom
~encode:(fun
ExchangeWireAccount.
{
payto_uri;
conversion_url;
debit_restrictions;
credit_restrictions;
master_sig;
bank_label;
priority;
}
->
Ok
( payto_uri,
conversion_url,
debit_restrictions,
credit_restrictions,
master_sig,
bank_label,
priority ))
~decode:(fun
( payto_uri,
conversion_url,
debit_restrictions,
credit_restrictions,
master_sig,
bank_label,
priority )
->
Ok
{
payto_uri;
conversion_url;
debit_restrictions;
credit_restrictions;
master_sig;
bank_label;
priority;
})
Caqti_type.(
t7 payto_uri (option string) account_restrictions account_restrictions
master_sig (option string) (option int))
let drain_profit_message =
let master_sig = Signatures.MasterDrainProfit.caqti in
Caqti_type.custom
~encode:(fun
DrainProfitsMessage.
{
wtid;
debit_account_section;
credit_payto_uri;
date;
amount;
master_sig;
}
->
Ok
(wtid, debit_account_section, credit_payto_uri, date, amount, master_sig))
~decode:(fun
(wtid, debit_account_section, credit_payto_uri, date, amount, master_sig)
->
Ok
{
wtid;
debit_account_section;
credit_payto_uri;
date;
amount;
master_sig;
})
Caqti_type.(t6 b32 string string time amount master_sig)
let aml_officer_setup =
let master_sig = Signatures.MasterAmlOfficerStatus.caqti in
Caqti_type.custom
~encode:(fun
AmlOfficerSetup.
{
officer_pub;
master_sig;
officer_name;
is_active;
read_only;
change_date;
}
->
Ok
( officer_pub,
master_sig,
officer_name,
is_active,
read_only,
change_date ))
~decode:(fun
( officer_pub,
master_sig,
officer_name,
is_active,
read_only,
change_date )
->
Ok
{
officer_pub;
master_sig;
officer_name;
is_active;
read_only;
change_date;
})
Caqti_type.(t6 eddsa_pub master_sig string bool bool time)
let exchange_partner_setup =
let master_sig = Signatures.PartnerConfiguration.caqti in
Caqti_type.custom
~encode:(fun
ExchangePartnerSetupRequest.
{
partner_pub;
start_date;
end_date;
wad_frequency;
wad_fee;
master_sig;
partner_base_url;
}
->
Ok
( partner_pub,
start_date,
end_date,
wad_frequency,
wad_fee,
master_sig,
partner_base_url ))
~decode:(fun
( partner_pub,
start_date,
end_date,
wad_frequency,
wad_fee,
master_sig,
partner_base_url )
->
Ok
{
partner_base_url;
partner_pub;
wad_frequency;
master_sig;
start_date;
end_date;
wad_fee;
})
Caqti_type.(t7 eddsa_pub time time time_span amount master_sig string)

22
.jjconflict-side-0/src/respond_util.ml
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@ -1,22 +0,0 @@
let respond_with_plain_text_error ?status e req =
let open Vif.Response in
let open Syntax in
let status = Option.value ~default:`Bad_request status in
let* () = add ~field:"content-type" "text/plain; charset=utf-8" in
let* () = with_string req e in
respond status
let respond_with_ok_json content req =
let open Vif.Response in
let open Syntax in
let* () = add ~field:"content-type" "application/json" in
let* () = with_string req content in
respond `OK
let respond_with_res res req =
match res with
| Error err ->
Logs.err (fun m -> m "%s." err);
let err = Fmt.str "%s@." err in
respond_with_plain_text_error err req
| Ok content -> respond_with_ok_json content req

407
.jjconflict-side-0/src/secmod.ml
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@ -1,407 +0,0 @@
module type S = sig
open Crypto
val sign_with_sm_key : string -> eddsa_sig
val sign_with_signkey : pub:eddsa_pub -> string -> eddsa_sig
val verify_with_master_key : eddsa_sig -> msg:string -> (unit, string) result
val verify_with_sm_key : eddsa_sig -> msg:string -> (unit, string) result
val verify_with_signkey :
pub:eddsa_pub -> eddsa_sig -> msg:string -> (unit, string) result
(* TODO query database instead? *)
val get_sm_key_pub : unit -> eddsa_pub
val get_signkeys_data : unit -> Signkey_data.t list
val get_denoms_data : unit -> Denom_data.t list
val find_signkey_data : eddsa_pub -> Signkey_data.t option
val find_denom_data : denomination_hash -> Denom_data.t option
val find_denom_section_name : denomination_hash -> string option
(* - management operations - *)
(* TODO
problem of keeping db and secmod state syncronized
do db interaction from secmod? *)
val add_signkey_master_signatures :
(eddsa_pub * Signatures.ExchangeSigningKeyValidity.t) list ->
(unit, string) result
val add_denom_master_signatures :
(denomination_hash * Signatures.DenominationKeyValidity.t) list ->
(unit, string) result
val revoke_signkey :
eddsa_pub ->
Signatures.MasterSigningKeyRevocation.t ->
(unit, string) result
val revoke_denomination :
denomination_hash ->
Signatures.MasterDenominationKeyRevocation.t ->
(unit, string) result
val store : unit -> (unit, string) result
end
module Make (Conn : Pg.CONN) = struct
(* TODO
- key rotation
- how many signkey to use?
we just use 1 for now
- does the secmod's own key as metadata/expiration date?
- something to refer to valid sk/dn
- eddsa.ml with phantom type for key-kind + signed-data-kind *)
open Syntax
open Crypto
type signkey = {
priv: eddsa_priv;
sk_data: Signkey_data.t;
}
type denom = {
priv: rsa_priv;
dn_data: Denom_data.t;
}
type t = {
lock: Miou.Mutex.t;
sm_key_priv: eddsa_priv;
sm_key_pub: eddsa_pub;
sk_ht: (eddsa_pub, signkey) Hashtbl.t;
dn_ht: (denomination_hash, denom) Hashtbl.t;
dn_section_name_ht: (denomination_hash, string) Hashtbl.t;
}
let dir = Fpath.(v "data" / "secmod")
let db_lookup_signkey_data conn fname pub =
let* opt = Pg.find_signkey conn pub |> unwrap_err_caqti in
match opt with
| None ->
Fmt.error
"load_signkey error, no associated data found in database for \
signkey `%s`."
(Fpath.to_string fname)
| Some sk_data -> Ok sk_data
let db_lookup_denom_data conn ~section_name priv =
let pub = RsaPrivateKey.pub_of_priv priv in
let h_pub = Hash.DenominationHash.hash (RsaPublicKey.to_octets pub) in
let* opt = Pg.find_denom conn h_pub |> unwrap_err_caqti in
match opt with
| None ->
Fmt.error
"load_denom error no associated metadata found in database for \
denomination `%s`."
section_name
| Some dn_data -> Ok dn_data
let load_signkey conn fname =
let* opt = Data_file.read_eddsa fname in
match opt with
| None -> Ok None
| Some priv ->
let pub = EddsaPrivateKey.pub_of_priv priv in
let* sk_data = db_lookup_signkey_data conn fname pub in
let signkey = { priv; sk_data } in
Ok (Some signkey)
let load conn =
let error_invalid_state =
Fmt.error "secmod load error: invalid store state."
in
let* sm_key_priv = Data_file.read_eddsa Fpath.(dir / "sk_sm") in
let* signkeys =
let l = List.init 1 (fun i -> Fpath.(dir / Fmt.str "sk_%d" i)) in
let* l = list_map (fun fname -> load_signkey conn fname) l in
match opt_list l with Error () -> error_invalid_state | Ok opt -> Ok opt
in
let dn_section_name_ht = Hashtbl.create 0xff in
let* denoms =
let* l =
let open Config.Coin in
list_map
(fun coin ->
let section_name = coin.section_name in
let fname = Fpath.(dir / section_name) in
let* opt = Data_file.read_rsa fname in
match opt with
| None -> Ok None
| Some priv ->
(* todo: could check that coin config match db values *)
let* dn_data = db_lookup_denom_data conn ~section_name priv in
Hashtbl.replace dn_section_name_ht dn_data.h_pub section_name;
let denom = { priv; dn_data } in
Ok (Some denom))
all_coins
in
match Syntax.opt_list l with
| Error () -> error_invalid_state
| Ok opt -> Ok opt
in
match (sm_key_priv, signkeys, denoms) with
| None, None, None -> Ok None
| Some sm_key_priv, Some signkeys, Some denoms ->
let sm_key_pub = EddsaPrivateKey.pub_of_priv sm_key_priv in
let lock = Miou.Mutex.create () in
let sk_ht =
signkeys
|> List.map (fun v -> (v.sk_data.pub, v))
|> List.to_seq
|> Hashtbl.of_seq
in
let dn_ht =
denoms
|> List.map (fun v -> (v.dn_data.h_pub, v))
|> List.to_seq
|> Hashtbl.of_seq
in
Ok
(Some
{ lock; sm_key_priv; sm_key_pub; sk_ht; dn_ht; dn_section_name_ht })
| _, _, _ -> error_invalid_state
let make_new_signkey () =
let start = Time.Absolute.of_ptime (Ptime_clock.now ()) in
let expire =
Time.Absolute.add start Config.Exchange.signkey_legal_duration
in
let stamp_start = Time.Timestamp.of_absolute start in
let stamp_expire = Time.Timestamp.of_absolute expire in
let stamp_end = stamp_expire in
let priv, pub = Mirage_crypto_ec.Ed25519.generate () in
let master_sig = None in
let revoked_sig = None in
let sk_data =
Signkey_data.
{ pub; stamp_start; stamp_expire; stamp_end; master_sig; revoked_sig }
in
{ priv; sk_data }
let make_new_denom
Config.Coin.
{
section_name= _;
value;
duration_withdraw;
duration_spend;
duration_legal;
fee_withdraw;
fee_deposit;
fee_refresh;
fee_refund;
cipher;
rsa_keysize;
age_restricted= _;
} =
assert (cipher = `RSA);
let open Time in
let start = Absolute.of_ptime (Ptime_clock.now ()) in
let stamp_start = Timestamp.of_absolute start in
let stamp_expire_withdraw =
Timestamp.of_absolute @@ Absolute.add start duration_withdraw
in
let stamp_expire_deposit =
Timestamp.of_absolute @@ Absolute.add start duration_spend
in
let stamp_expire_legal =
Timestamp.of_absolute @@ Absolute.add start duration_legal
in
let priv, pub = RsaPrivateKey.generate ~bits:rsa_keysize () in
let h_pub = Hash.DenominationHash.hash (RsaPublicKey.to_octets pub) in
let master_sig = None in
let revoked_sig = None in
let dn_data =
Denom_data.
{
pub;
value;
stamp_start;
stamp_expire_withdraw;
stamp_expire_deposit;
stamp_expire_legal;
fee_withdraw;
fee_deposit;
fee_refresh;
fee_refund;
age_mask= 0;
h_pub;
master_sig;
revoked_sig;
}
in
{ priv; dn_data }
let make_new () =
let lock = Miou.Mutex.create () in
let sm_key_priv, sm_key_pub = Mirage_crypto_ec.Ed25519.generate () in
let sk_ht =
[ make_new_signkey () ]
|> List.map (fun v -> (v.sk_data.pub, v))
|> List.to_seq
|> Hashtbl.of_seq
in
let dn_section_name_ht = Hashtbl.create 0xff in
let dn_ht =
Config.Coin.all_coins
|> List.map (fun coin ->
let denom = make_new_denom coin in
Hashtbl.replace dn_section_name_ht denom.dn_data.h_pub
coin.section_name;
(denom.dn_data.h_pub, denom))
|> List.to_seq
|> Hashtbl.of_seq
in
{ lock; sm_key_priv; sm_key_pub; sk_ht; dn_ht; dn_section_name_ht }
let t =
match load (module Conn) with
| Ok None ->
let t = make_new () in
Logs.info (fun m -> m "secmod initialized with fresh keys");
t
| Ok (Some t) ->
Logs.info (fun m -> m "secmod initialized from storage");
t
| Error e -> Fmt.failwith "secmod init failure: %s." e
(* note: don't expose a signing function if we want a real "security module" one day *)
let sign_with_sm_key s = EddsaSignature.sign ~key:t.sm_key_priv s
let verify_with_sm_key s ~msg = EddsaSignature.verify ~key:t.sm_key_pub s ~msg
let verify_with_master_key s ~msg =
EddsaSignature.verify ~key:Config.master_public_key s ~msg
(* TODO
- do something to force `pub` to be one of the valid signkey
how to handle revocation?
raise exn for now *)
let sign_with_signkey ~pub s =
Miou.Mutex.protect t.lock @@ fun () ->
match Hashtbl.find_opt t.sk_ht pub with
| None -> Fmt.failwith "secmod failure: public key not found."
| Some signkey ->
let v = EddsaSignature.sign ~key:signkey.priv s in
v
let verify_with_signkey ~pub s ~msg =
Miou.Mutex.protect t.lock @@ fun () ->
match Hashtbl.find_opt t.sk_ht pub with
| None -> Error "secmod failure: public key not found."
| Some signkey -> EddsaSignature.verify ~key:signkey.sk_data.pub s ~msg
let get_sm_key_pub () = t.sm_key_pub
let get_signkeys () =
Miou.Mutex.protect t.lock @@ fun () ->
Hashtbl.to_seq_values t.sk_ht |> List.of_seq
let get_denoms () =
Miou.Mutex.protect t.lock @@ fun () ->
Hashtbl.to_seq_values t.dn_ht |> List.of_seq
let find_signkey pub =
Miou.Mutex.protect t.lock @@ fun () -> Hashtbl.find_opt t.sk_ht pub
let find_denom h_denom =
Miou.Mutex.protect t.lock @@ fun () -> Hashtbl.find_opt t.dn_ht h_denom
let get_signkeys_data () = get_signkeys () |> List.map (fun v -> v.sk_data)
let get_denoms_data () = get_denoms () |> List.map (fun v -> v.dn_data)
let find_signkey_data pub =
find_signkey pub |> Option.map (fun v -> v.sk_data)
let find_denom_data h_denom =
find_denom h_denom |> Option.map (fun v -> v.dn_data)
let find_denom_section_name h_denom =
Miou.Mutex.protect t.lock @@ fun () ->
Hashtbl.find_opt t.dn_section_name_ht h_denom
let add_signkey_master_signatures l =
Miou.Mutex.protect t.lock @@ fun () ->
list_iter
(fun (pub, master_sig) ->
match Hashtbl.find_opt t.sk_ht pub with
| None -> Error "secmod failure: public key not found."
| Some signkey ->
let sk_data =
{ signkey.sk_data with master_sig= Some master_sig }
in
let signkey = { signkey with sk_data } in
let* () =
Pg.insert_signkey (module Conn) sk_data |> unwrap_err_caqti
in
Hashtbl.replace t.sk_ht pub signkey;
Ok ())
l
let add_denom_master_signatures l =
Miou.Mutex.protect t.lock @@ fun () ->
list_iter
(fun (h_denom_pub, master_sig) ->
match Hashtbl.find_opt t.dn_ht h_denom_pub with
| None -> Error "secmod failure: denomination hash not found."
| Some denom ->
let dn_data = { denom.dn_data with master_sig= Some master_sig } in
let denom = { denom with dn_data } in
let* () =
Pg.insert_denom (module Conn) dn_data |> unwrap_err_caqti
in
Hashtbl.replace t.dn_ht h_denom_pub denom;
Ok ())
l
let revoke_signkey exchange_pub revoked_sig =
Miou.Mutex.protect t.lock @@ fun () ->
match Hashtbl.find_opt t.sk_ht exchange_pub with
| None -> Error "secmod failure: denomination hash not found."
| Some signkey ->
let sk_data = { signkey.sk_data with revoked_sig= Some revoked_sig } in
let signkey = { signkey with sk_data } in
Hashtbl.replace t.sk_ht exchange_pub signkey;
Ok ()
let revoke_denomination h_denom_pub revoked_sig =
Miou.Mutex.protect t.lock @@ fun () ->
match Hashtbl.find_opt t.dn_ht h_denom_pub with
| None -> Error "secmod failure: denomination hash not found."
| Some denom ->
let dn_data = { denom.dn_data with revoked_sig= Some revoked_sig } in
let denom = { denom with dn_data } in
Hashtbl.replace t.dn_ht h_denom_pub denom;
Ok ()
let store () =
Miou.Mutex.protect t.lock @@ fun () ->
let* () = Data_file.write_eddsa Fpath.(dir / "sk_sm") t.sm_key_priv in
let* () =
Hashtbl.to_seq_values t.sk_ht
|> List.of_seq
|> List.mapi (fun i (key : signkey) ->
let fname = Fpath.(dir / Fmt.str "sk_%d" i) in
(fname, key.priv))
|> list_iter (fun (fname, key) -> Data_file.write_eddsa fname key)
in
let* () =
let* l =
Hashtbl.to_seq_values t.dn_ht
|> List.of_seq
|> Syntax.list_map (fun (key : denom) ->
let+ section_name =
match Hashtbl.find_opt t.dn_section_name_ht key.dn_data.h_pub with
| None -> Error "invalid state, section_name not found"
| Some s -> Ok s
in
let fname = Fpath.(dir / section_name) in
(fname, key.priv))
in
list_iter (fun (fname, key) -> Data_file.write_rsa fname key) l
in
Logs.info (fun m -> m "stored secmod data to file");
Ok ()
end

46
.jjconflict-side-0/src/secmod.mli
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@ -1,46 +0,0 @@
module type S = sig
open Crypto
val sign_with_sm_key : string -> eddsa_sig
val sign_with_signkey : pub:eddsa_pub -> string -> eddsa_sig
val verify_with_master_key : eddsa_sig -> msg:string -> (unit, string) result
val verify_with_sm_key : eddsa_sig -> msg:string -> (unit, string) result
val verify_with_signkey :
pub:eddsa_pub -> eddsa_sig -> msg:string -> (unit, string) result
(* TODO query database instead? *)
val get_sm_key_pub : unit -> eddsa_pub
val get_signkeys_data : unit -> Signkey_data.t list
val get_denoms_data : unit -> Denom_data.t list
val find_signkey_data : eddsa_pub -> Signkey_data.t option
val find_denom_data : denomination_hash -> Denom_data.t option
val find_denom_section_name : denomination_hash -> string option
(* - management operations - *)
(* TODO
problem of keeping db and secmod state syncronized
do db interaction from secmod? *)
val add_signkey_master_signatures :
(eddsa_pub * Signatures.ExchangeSigningKeyValidity.t) list ->
(unit, string) result
val add_denom_master_signatures :
(denomination_hash * Signatures.DenominationKeyValidity.t) list ->
(unit, string) result
val revoke_signkey :
eddsa_pub ->
Signatures.MasterSigningKeyRevocation.t ->
(unit, string) result
val revoke_denomination :
denomination_hash ->
Signatures.MasterDenominationKeyRevocation.t ->
(unit, string) result
val store : unit -> (unit, string) result
end
module Make (_ : Pg.CONN) : S

1308
.jjconflict-side-0/src/signatures.ml
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File diff suppressed because it is too large Load diff

10
.jjconflict-side-0/src/signkey_data.ml
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@ -1,10 +0,0 @@
open Crypto
type t = {
pub: eddsa_pub;
stamp_start: Timestamp.t;
stamp_expire: Timestamp.t;
stamp_end: Timestamp.t;
master_sig: Signatures.ExchangeSigningKeyValidity.t option;
revoked_sig: Signatures.MasterSigningKeyRevocation.t option;
}

84
.jjconflict-side-0/src/static.ml
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@ -1,84 +0,0 @@
(* TODO check for mathcing ETAG with a middleware instead? *)
(* /terms + /privacy
- try to find a response with an acceptable mime-type
- pick the version in the most preferred language of the user
- apply compression if that is allowed by the client
- set ETAG header
- If it did not change, a "304 Not Modified" response will be returned
- A "Taler-Terms-Version" header is generated to indicate the legal version of the terms
- When returning a full response (not a "304 Not Modified"),
include a "Avail-Languages" header: a comma-separated list of the languages available *)
module Respond_with = struct
open Vif.Response
open Syntax
open struct
let error_detail ?hint _status =
let open Api in
let code = -1 in
let err = ErrorDetail.make ?hint code in
let s = encode_exn ErrorDetail.jsont err in
s
end
let bad_request ?hint req =
let body = error_detail ?hint `Bad_request in
let* () = with_string ?compression:None req body in
respond `Bad_request
let not_modified () =
let* () = empty in
respond `Not_modified
let unsupported_media_type req =
let body =
error_detail ~hint:"no acceptable mimetype" `Unsupported_media_type
in
let* () = with_string ?compression:None req body in
let* () = add ~field:"accept" Headers.accept_header_value in
respond `Unsupported_media_type
end
let aux kind req _server _env =
let etag = Assets.etag kind in
let headers = Vif.Request.headers req in
let has_matching_etag =
match Vif.Headers.get headers "if-none-match" with
| None -> Ok false
| Some s ->
Headers_lib.Etag.parse s |> Result.map (Headers_lib.Etag.evaluate etag)
in
match has_matching_etag with
| Error e -> Respond_with.bad_request ~hint:e req
| Ok true -> Respond_with.not_modified ()
| Ok false -> (
match Headers.select_mimetype headers with
| None -> Respond_with.unsupported_media_type req
| Some mime ->
let lang = Headers.select_language headers in
let compression = Headers.select_encoding headers in
let data = Assets.get_content ~mime ~lang kind in
(* -- *)
let open Vif.Response in
let open Syntax in
let* () = with_string ?compression req data in
let* () =
let etag_field_value = Headers_lib.Etag.to_field_value etag in
add ~field:"etag" etag_field_value
in
let* () =
(* todo: is it "taler-privacy-version" for /policy ? *)
add ~field:"taler-terms-version" Assets.terms_legal_version
in
let* () =
add ~field:"avail-languages" Headers.avail_languages_header_value
in
let* () =
let content_type = Fmt.str "%a" Assets.Mimetype.pp_mime mime in
add ~field:"content-type" content_type
in
respond `OK)
let terms req _server _env = aux Assets.Terms req _server _env
let privacy req _server _env = aux Assets.Privacy req _server _env

51
.jjconflict-side-0/src/syntax.ml
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@ -1,51 +0,0 @@
let ( let* ) o f = match o with Ok v -> f v | Error _ as e -> e
let ( let+ ) o f = match o with Ok v -> Ok (f v) | Error _ as e -> e
(* TODO use polymorphic variant for errors *)
let unwrap_err_msg o = match o with Error (`Msg e) -> Error e | Ok v -> Ok v
let unwrap_err_caqti o =
match o with Error err -> Fmt.error "%a" Caqti_error.pp err | Ok v -> Ok v
let list_iter f l =
let err = ref None in
try
List.iter
(fun v ->
match f v with
| Error _e as e ->
err := Some e;
raise Exit
| Ok () -> ())
l;
Ok ()
with Exit -> ( match !err with None -> assert false | Some v -> v)
let list_map f l =
let err = ref None in
try
Ok
(List.map
(fun v ->
match f v with
| Error _e as e ->
err := Some e;
raise Exit
| Ok v -> v)
l)
with Exit -> ( match !err with None -> assert false | Some v -> v)
let list_fold_left f acc l =
List.fold_left
(fun acc v ->
let* acc = acc in
f acc v)
(Ok acc) l
let opt_list l =
match (List.for_all Option.is_none l, List.for_all Option.is_some l) with
| _, true ->
let l = List.map Option.get l in
Ok (Some l)
| true, _ -> Ok None
| _, _ -> Error ()

151
.jjconflict-side-0/src/time.ml
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@ -1,151 +0,0 @@
let uint64_max = Int64.minus_one
module Relative = struct
type t = Int64.t
let forever = uint64_max
let zero = 0L
let compare = Int64.unsigned_compare
let min a b = if compare a b < 0 then a else b
let max a b = if compare a b > 0 then a else b
(* forever if either argument is forever or on overflow; otherwise a + b *)
let add a b =
if a = forever || b = forever then forever
else
let v = Int64.add a b in
if compare v a < 0 then forever else v
(* zero if a <= b, or forever if a is forever; otherwise a - b *)
let sub a b =
if compare a b <= 0 then zero
else if a = forever then forever
else Int64.sub a b
let of_s s =
let v = Int64.mul s 1_000_000L in
if Int64.unsigned_div v 1_000_000L <> s then forever else v
let bin = Bin.neint64
let bin_nbo = Bin.beint64
(* TODO should be in NBO here? *)
let caqti =
let encode v = Ok v in
let decode v = Ok v in
Caqti_type.custom ~encode ~decode Caqti_type.int64
(* TODO
reject negative / non-integer values
cap value at 2^53 - 1 inclusive *)
let jsont =
let jsont =
let forever_jsont =
let dec s =
match s with
| "forever" -> forever
| _ -> Jsont.Error.msg Jsont.Meta.none "unexpected string value"
in
let enc _t = "forever" in
Jsont.map ~dec ~enc Jsont.string
in
let num_jsont = Jsont.int64 in
let enc t = if t = forever then forever_jsont else num_jsont in
Jsont.any ~dec_string:forever_jsont ~dec_number:num_jsont ~enc ()
in
Jsont.Object.map ~kind:"RelativeTime" Fun.id
|> Jsont.Object.mem "d_us" jsont ~enc:Fun.id
|> Jsont.Object.finish
end
module Absolute = struct
type t = Int64.t
let never = uint64_max
let zero = 0L
let compare = Int64.unsigned_compare
let min a b = if compare a b < 0 then a else b
let max a b = if compare a b > 0 then a else b
(* zero if a >= b; never if b=never; otherwise b - a *)
let diff a b =
if compare a b >= 0 then zero
else if b = never then never
else Int64.sub b a
(* never if either argument is never/forever or on overflow; otherwise t + d *)
let add t d =
if t = never || d = never then never
else
let v = Int64.add t d in
if compare v t < 0 then never else v
(* zero if t <= d, or never if t is never; otherwise t - d *)
let sub t d =
if compare t d <= 0 then zero
else if t = never then never
else Int64.sub t d
let of_s s =
let v = Int64.mul s 1_000_000L in
if Int64.unsigned_div v 1_000_000L <> s then never else v
let of_ptime v = v |> Ptime.to_float_s |> Int64.of_float |> of_s
end
module Timestamp = struct
type t = Int64.t
let never = uint64_max
let zero = 0L
let compare = Int64.unsigned_compare
(* zero if a >= b; never if b=never; otherwise b - a *)
let diff a b =
if compare a b >= 0 then zero
else if b = never then never
else Int64.sub b a
let of_s s =
let v = Int64.mul s 1_000_000L in
if Int64.unsigned_div v 1_000_000L <> s then never else v
let to_s t =
if t = never then None else Some (Int64.unsigned_div t 1_000_000L)
let of_absolute a =
if a = never then never else Int64.sub a (Int64.unsigned_rem a 1_000_000L)
let of_ptime v = v |> Absolute.of_ptime |> of_absolute
let bin = Bin.neint64
let bin_nbo = Bin.beint64
let caqti =
let encode v = Ok v in
let decode v = Ok v in
Caqti_type.custom ~encode ~decode Caqti_type.int64
let jsont =
let jsont =
let never_jsont =
let dec s =
match s with
| "never" -> never
| _ -> Jsont.Error.msg Jsont.Meta.none "unexpected string value"
in
let enc _t = "never" in
Jsont.map ~dec ~enc Jsont.string
in
let num_jsont =
Jsont.map
~dec:(fun n -> of_s n)
~enc:(fun t -> match to_s t with None -> assert false | Some s -> s)
Jsont.int64
in
let enc t = if t = never then never_jsont else num_jsont in
Jsont.any ~dec_string:never_jsont ~dec_number:num_jsont ~enc ()
in
Jsont.Object.map ~kind:"Timestamp" Fun.id
|> Jsont.Object.mem "t_s" jsont ~enc:Fun.id
|> Jsont.Object.finish
end

54
.jjconflict-side-0/src/time.mli
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@ -1,54 +0,0 @@
module Relative : sig
type t
val forever : t
val zero : t
val compare : t -> t -> int
val min : t -> t -> t
val max : t -> t -> t
val add : t -> t -> t
val sub : t -> t -> t
val of_s : int64 -> t
(* - *)
val bin : t Bin.t
val bin_nbo : t Bin.t
val caqti : t Caqti_type.t
val jsont : t Jsont.t
end
module Absolute : sig
type t
val never : t
val zero : t
val compare : t -> t -> int
val min : t -> t -> t
val max : t -> t -> t
val diff : t -> t -> Relative.t
val add : t -> Relative.t -> t
val sub : t -> Relative.t -> t
val of_s : int64 -> t
val of_ptime : Ptime.t -> t
end
module Timestamp : sig
type t
val never : t
val zero : t
val compare : t -> t -> int
val diff : t -> t -> Relative.t
val of_s : int64 -> t
(* none if t = never *)
val to_s : t -> int64 option
val of_absolute : Absolute.t -> t
val of_ptime : Ptime.t -> t
(* - *)
val bin : t Bin.t
val bin_nbo : t Bin.t
val caqti : t Caqti_type.t
val jsont : t Jsont.t
end

1
.jjconflict-side-0/src/timestamp.ml
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@ -1 +0,0 @@
include Time.Timestamp

62
.jjconflict-side-0/src/util.ml
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@ -1,62 +0,0 @@
module Log_reporter = struct
let detail_tag : string Logs.Tag.def =
Logs.Tag.def "Detail tag" ~doc:"" Fmt.string
let detail s = Logs.Tag.(empty |> add detail_tag s)
let time_anchor = Ptime_clock.now () |> Ptime.to_span
let color_of_log_level = function
| Logs.App -> `White
| Error -> `Red
| Warning -> `Yellow
| Info -> `Blue
| Debug -> `Magenta
let reporter : Logs.reporter =
let open Fmt in
let pp_timestamp = styled `Faint (styled (`Fg `White) (fmt "%04.02f")) in
let pp_header ppf v =
let color = color_of_log_level (fst v) in
let pp = styled (`Fg color) Logs.pp_header in
pf ppf "%a" pp v
in
let pp_src_name =
let pp = using Logs.Src.name (styled `Cyan (fmt "%s: ")) in
fun ppf v -> if not @@ Logs.Src.equal Logs.default v then pp ppf v
in
let pp_detail = option (styled `Green (fmt " (%s)")) in
let report src lvl ~over k msgf =
let ppf =
match lvl with
| Logs.App -> stdout
| Error | Warning | Info | Debug -> stderr
in
let k _ppf = over (); k () in
let with_detail h tags k user_fmt =
let detail = Option.bind tags (Logs.Tag.find detail_tag) in
let timestamp =
Ptime.sub_span (Ptime_clock.now ()) time_anchor
|> Option.map Ptime.to_float_s
|> Option.value ~default:0.
in
let k ppf = kpf k ppf "%a@." pp_detail detail in
let k ppf = kpf k ppf user_fmt in
kpf k ppf "%a %a %a" pp_timestamp timestamp pp_header (lvl, h)
pp_src_name src
in
msgf @@ fun ?header ?tags fmt -> with_detail header tags k fmt
in
{ report }
(* TODO logs
- vif shouldn't use/set the default reporter
- Log.err all `Internal_server_error response *)
let setup () =
let level = Some Logs.Info in
Logs.set_level ~all:false level;
Fmt_tty.setup_std_outputs ~style_renderer:`Ansi_tty ~utf_8:true ();
Logs.Src.set_level Logs.default level;
Logs_threaded.enable ();
Logs.set_reporter reporter;
()
end

11
.jjconflict-side-0/test/dune
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@ -1,11 +0,0 @@
(test
(name test)
(modules test)
(libraries mte fmt))
; TODO
; cram test?
; gcc -o a.out ./test/signatures.c && ./a.out > a.output
; rm ./a.out
; dune exec ./test/test.exe > b.output
; cmp -l a.output b.output

45
.jjconflict-side-0/test/offline_management.sh
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@ -1,45 +0,0 @@
#!/bin/bash
set -e
a="tmp_a.json"
b="tmp_b.json"
auditor_pub=$(<"./data/auditor_public_key")
zero_euro="EUR:0.0"
dune exec offline -- download --output $a
dune exec offline -- sign --input $a --output $b
dune exec offline -- upload --input $b --url "/management/keys"
dune exec offline -- enable-auditor \
--output $b \
--auditor_url "auditor.example.com" \
--auditor_name "auditor example" \
--auditor_pub $auditor_pub \
--validity_start 0
dune exec offline -- upload --input $b --url "/management/auditors"
dune exec offline -- wire-fee \
--output $b \
--wire_method "magic" \
--fee_start 0 \
--fee_end 99999999 \
--closing_fee $zero_euro \
--wire_fee $zero_euro
dune exec offline -- upload --input $b --url "/management/wire-fee"
dune exec offline -- global-fees \
--output $b \
--start_date 0 \
--end_date 99999999 \
--history_fee $zero_euro \
--account_fee $zero_euro \
--purse_fee $zero_euro \
--history_expiration 9999999 \
--purse_account_limit 1 \
--purse_timeout 9999999
dune exec offline -- upload --input $b --url "/management/global-fees"
rm $a
rm $b

55
.jjconflict-side-0/test/signatures.c
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@ -1,55 +0,0 @@
#include <stdio.h>
#include <stdint.h>
struct H64 {
uint8_t hash[64];
};
struct Hhh {
struct H64 hash;
};
struct Purpose {
uint32_t size;
uint32_t purpose;
};
struct PS {
struct Purpose purpose;
struct Hhh h;
uint32_t noreveal_index;
};
int main(void) {
struct Purpose purpose;
struct PS ps;
purpose.size = 3 * 4 + 64;
purpose.purpose = 1050;
struct Hhh h = {
.hash = {
.hash = {
1 , 2 , 3 , 4 , 5, 6, 7, 8,
9 , 10, 11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22, 23, 24,
25, 26, 27, 28, 29, 30, 31, 32,
33, 34, 35, 36, 37, 38, 39, 40,
41, 42, 43, 44, 45, 46, 47, 48,
49, 50, 51, 52, 53, 54, 55, 56,
57, 58, 59, 60, 61, 62, 63, 64
}
}
};
uint32_t noreveal_index = 0;
ps.purpose = purpose;
ps.h = h;
ps.noreveal_index = noreveal_index;
fwrite(&ps, sizeof(ps), 1, stdout);
// printf("\n");
return 0;
}

110
.jjconflict-side-0/test/test.ml
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@ -1,110 +0,0 @@
let () = Mirage_crypto_rng_unix.use_default ()
let get_ok = function Error e -> failwith e | Ok v -> v
let () =
let priv = Mirage_crypto_pk.Rsa.generate ~bits:2048 () in
let pub = Mirage_crypto_pk.Rsa.pub_of_priv priv in
let () =
let open Crypto.RsaPrivateKey in
let priv' = priv |> to_octets |> of_octets |> get_ok in
assert (to_octets priv = to_octets priv')
in
let () =
let open Crypto.RsaPublicKey in
let pub' = pub |> to_octets |> of_octets |> get_ok in
assert (to_octets pub = to_octets pub')
in
()
let () =
let open Api in
let check jsont s =
let encode v = encode jsont v |> get_ok in
let decode v = decode jsont v |> get_ok in
let ts = decode s in
let s' = encode ts in
let ts' = decode s' in
let s'' = encode ts' in
assert (String.equal s' s'')
in
let check_bad jsont s =
let decode = decode jsont in
assert (Result.is_error (decode s))
in
check Timestamp.jsont {|{"t_s": 123456780}|};
check Timestamp.jsont {|{"t_s": "never"}|};
check_bad Timestamp.jsont {|{"t_s": "123456780"}|};
check_bad Timestamp.jsont {|{"t_s": "agagou"}|};
(* CS not implemented *)
check_bad DenominationKey.jsont
{|{"cipher": "CS", "age_mask": 18, "cs_pub": "ouhagag"}|};
(* TODO test with a valid rsa_pub value *)
(* TODO handle "rsa pub_of_octets failure" correctly *)
(* check_bad DenominationKey.jsont
{|{"cipher": "RSA", "age_mask": 18, "rsa_pub": "agagouh"}|}; *)
()
let () =
let open Amount in
let v =
make ~sign:(Some Sign_plus) ~currency:"EUR" ~value:(Int64.of_int 25)
~fraction:(Int32.of_int 678)
|> Result.get_ok
in
let s = to_string v in
let v' = of_string s |> Result.get_ok in
assert (v = v');
let r = of_string {|~EUR:4.9|} in
assert (Result.is_error r);
let r = of_string {|+EUR:4.99999999999999999999999|} in
assert (Result.is_error r);
()
let () =
let open Headers_lib.Etag in
let check input = assert (Result.is_ok (parse input)) in
let check_bad input = assert (Result.is_error (parse input)) in
check "*";
check "\"foo\"";
check "W/\"foo\"";
check "\"foo\", \"bar\"";
check " W/\"x\" , W/\"y\" , \"z\" ";
check " \"one\" , \"two\" , \"three\" ";
check "W/\"a\"";
check " W/\"a\" , \"b\"";
check_bad "";
check_bad "foo";
check_bad "W/foo";
check_bad "W/\"unterminated";
check_bad "\"foo\", W/";
check_bad "* , \"bar\"";
check_bad "\"a\" \"b\"";
check_bad "W/\"a\" W/\"b\"";
check_bad "\"fo\x7Fo\"";
(* TODO trailing comma are valid actually, I think *)
check_bad "\"foo\" ,";
check_bad ", \"foo\"";
()
(*
let () =
let open Binary_formats.WithdrawConfirmationPS in
let str64 = String.init 64 (fun i -> Char.unsafe_chr (i + 1)) in
let dummy_t = { h_planchets= { hash= str64 }; noreveal_index= 0_l } in
let size = Bin.size_of_value bin dummy_t |> Option.get in
assert (size = 76);
(* for cmp test with signatures.c output *)
(*
let raw_str = Bin.to_string bin dummy_t in
Printf.printf "%s" raw_str;
*)
()
*)

7
.jjconflict-side-0/tools/dune
View file

@ -1,7 +0,0 @@
(executable
(public_name offline)
(name offline)
(modules offline offline_impl offline_sig)
(libraries cmdliner bos fmt mirage-crypto ptime mte vif))
; todo depends on curl

313
.jjconflict-side-0/tools/offline.ml
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@ -1,313 +0,0 @@
(* TODO
all management operations:
/management/wire
/management/wire/disable
-> how to build WireSetupMessage?
we need additional data to craft master_sig
maybe supposed to be found in the full payto-uri?
/management/aml-officers
-> /aml
/management/partners
-> /wads *)
open Cmdliner
open Cmdliner.Term.Syntax
open Offline_impl
module Arg = struct
include Arg
(* in seconds *)
let timestamp =
let parser s =
match int_of_string_opt s with
| None -> Error "not an int"
| Some n -> Ok (Time.Timestamp.of_s (Int64.of_int n))
in
let pp fmt t =
match Time.Timestamp.to_s t with
| None -> Fmt.pf fmt "never"
| Some s -> Fmt.pf fmt "%Ld" s
in
Arg.Conv.make ~docv:"timestamp argument" ~parser ~pp ()
(* in seconds *)
let relative_time =
let parser s =
match int_of_string_opt s with
| None -> Error "not an int"
| Some s -> Ok (Time.Relative.of_s (Int64.of_int s))
in
let pp fmt d =
let t = Time.Timestamp.of_absolute Time.Absolute.(add zero d) in
match Time.Timestamp.to_s t with
| None -> Fmt.pf fmt "never"
| Some s -> Fmt.pf fmt "%Ld" s
in
Arg.Conv.make ~docv:"relative time argument" ~parser ~pp ()
let b32 =
let pp fmt v = Fmt.pf fmt "%s" (B32.encode v) in
Arg.Conv.make ~docv:"Crockford's Base32 encoded argument" ~parser:B32.decode
~pp ()
let amount =
Arg.Conv.make ~docv:"amount argument" ~parser:Amount.of_string ~pp:Amount.pp
()
let eddsa_pub =
let parser s = Crypto.EddsaPublicKey.of_b32 s in
let pp fmt key =
let s = Crypto.EddsaPublicKey.to_b32 key in
Fmt.pf fmt "%s" s
in
Arg.Conv.make ~docv:"eddsa public key argument" ~parser ~pp ()
end
let default_master_offline_key_file = "data/master_offline_private_key"
(*
let default_response_file = "response.json"
let default_request_file = "request.json"
*)
let master_key =
let doc = "Master offline Eddsa private key file." in
Arg.(
value
& opt file default_master_offline_key_file
& info [ "master_key_file" ] ~doc)
let input =
let doc = "input file" in
Arg.(required & opt (some file) None & info [ "i"; "input" ] ~doc)
let output =
let doc = "output file" in
Arg.(required & opt (some filepath) None & info [ "o"; "output" ] ~doc)
let url =
let doc = "url" in
Arg.(required & opt (some string) None & info [ "url" ] ~doc)
let setup_cmd =
let doc = "Generate offline master keys" in
let output =
let doc = "output file" in
Arg.(
value
& opt filepath default_master_offline_key_file
& info [ "o"; "output" ] ~doc)
in
Cmd.make (Cmd.info "setup" ~doc)
@@
let+ output = output in
setup ~output
let download_cmd =
let doc = "GET /management/keys/" in
let man =
[ `S Manpage.s_description; `P "$(cmd) download /management/keys." ]
in
Cmd.make (Cmd.info "download" ~doc ~man)
@@
let+ output = output in
download ~output
let upload_cmd =
let doc = "POST input.json data to url (default /management/keys)" in
Cmd.make (Cmd.info "upload" ~doc)
@@
let+ input = input and+ url = url in
upload ~input ~url
let sign_cmd =
let doc = "Sign FutureKeysResponse." in
Cmd.make (Cmd.info "sign" ~doc)
@@
let+ input = input and+ output = output and+ master_key = master_key in
sign ~input ~output ~master_key
let revoke_denom_cmd =
let doc = "Revoke denomination." in
let h_denom =
let doc = "hash of denomination public key" in
Arg.(required & pos 0 (some string) None & info [] ~doc)
in
Cmd.make (Cmd.info "revoke-denom" ~doc)
@@
let+ output = output and+ master_key = master_key and+ h_denom = h_denom in
revoke_denom ~output ~master_key ~h_denom
let revoke_signkey_cmd =
let doc = "Revoke signkey." in
let signkey =
let doc = "public signing key" in
Arg.(required & pos 0 (some eddsa_pub) None & info [] ~doc)
in
Cmd.make (Cmd.info "revoke-signkey" ~doc)
@@
let+ output = output and+ master_key = master_key and+ signkey = signkey in
revoke_signkey ~output ~master_key ~signkey
let enable_auditor_cmd =
let doc = "Enable auditor." in
let auditor_url =
Arg.(required & opt (some string) None & info [ "auditor_url" ])
in
let auditor_name =
Arg.(required & opt (some string) None & info [ "auditor_name" ])
in
let auditor_pub =
Arg.(required & opt (some eddsa_pub) None & info [ "auditor_pub" ])
in
let validity_start =
Arg.(required & opt (some timestamp) None & info [ "validity_start" ])
in
Cmd.make (Cmd.info "enable-auditor" ~doc)
@@
let+ output = output
and+ master_key = master_key
and+ auditor_url = auditor_url
and+ auditor_name = auditor_name
and+ auditor_pub = auditor_pub
and+ validity_start = validity_start in
enable_auditor ~output ~master_key ~auditor_url ~auditor_name ~auditor_pub
~validity_start
let disable_auditor_cmd =
let doc = "Disable auditor." in
let auditor_pub =
Arg.(required & opt (some eddsa_pub) None & info [ "auditor_pub" ])
in
let validity_end =
Arg.(required & opt (some timestamp) None & info [ "validity_end" ])
in
Cmd.make (Cmd.info "disable-auditor" ~doc)
@@
let+ output = output
and+ master_key = master_key
and+ auditor_pub = auditor_pub
and+ validity_end = validity_end in
disable_auditor ~output ~master_key ~auditor_pub ~validity_end
let wire_fee_cmd =
let doc = "Provides wire fee configuration." in
let wire_method =
Arg.(required & opt (some string) None & info [ "wire_method" ])
in
let fee_start =
Arg.(required & opt (some timestamp) None & info [ "fee_start" ])
in
let fee_end =
Arg.(required & opt (some timestamp) None & info [ "fee_end" ])
in
let closing_fee =
Arg.(required & opt (some amount) None & info [ "closing_fee" ])
in
let wire_fee =
Arg.(required & opt (some amount) None & info [ "wire_fee" ])
in
Cmd.make (Cmd.info "wire-fee" ~doc)
@@
let+ output = output
and+ master_key = master_key
and+ wire_method = wire_method
and+ fee_start = fee_start
and+ fee_end = fee_end
and+ closing_fee = closing_fee
and+ wire_fee = wire_fee in
Offline_impl.wire_fee ~output ~master_key ~wire_method ~fee_start ~fee_end
~closing_fee ~wire_fee
let global_fees_cmd =
let doc = "Provides global fee configuration." in
let start_date =
Arg.(required & opt (some timestamp) None & info [ "start_date" ])
in
let end_date =
Arg.(required & opt (some timestamp) None & info [ "end_date" ])
in
let history_fee =
Arg.(required & opt (some amount) None & info [ "history_fee" ])
in
let account_fee =
Arg.(required & opt (some amount) None & info [ "account_fee" ])
in
let purse_fee =
Arg.(required & opt (some amount) None & info [ "purse_fee" ])
in
let history_expiration =
Arg.(
required & opt (some relative_time) None & info [ "history_expiration" ])
in
let purse_account_limit =
Arg.(required & opt (some int) None & info [ "purse_account_limit" ])
in
let purse_timeout =
Arg.(required & opt (some relative_time) None & info [ "purse_timeout" ])
in
Cmd.make (Cmd.info "global-fees" ~doc)
@@
let+ output = output
and+ master_key = master_key
and+ start_date = start_date
and+ end_date = end_date
and+ history_fee = history_fee
and+ account_fee = account_fee
and+ purse_fee = purse_fee
and+ history_expiration = history_expiration
and+ purse_account_limit = purse_account_limit
and+ purse_timeout = purse_timeout in
global_fees ~output ~master_key ~start_date ~end_date ~history_fee
~account_fee ~purse_fee ~history_expiration ~purse_account_limit
~purse_timeout
let drain_cmd =
let doc =
"Drain profits from the exchange. The actual drain requires running the \
`taler-exchange-drain` tool."
in
let debit_account_section =
Arg.(required & opt (some string) None & info [ "debit_account_section" ])
in
let credit_payto_uri =
Arg.(required & opt (some string) None & info [ "credit_payto_uri" ])
in
let wtid = Arg.(required & opt (some b32) None & info [ "wtid" ]) in
let date = Arg.(required & opt (some timestamp) None & info [ "date" ]) in
let amount = Arg.(required & opt (some amount) None & info [ "amount" ]) in
Cmd.make (Cmd.info "drain" ~doc)
@@
let+ output = output
and+ master_key = master_key
and+ debit_account_section = debit_account_section
and+ credit_payto_uri = credit_payto_uri
and+ wtid = wtid
and+ date = date
and+ amount = amount in
drain ~output ~master_key ~debit_account_section ~credit_payto_uri ~wtid ~date
~amount
let cli =
let info =
let doc = "MTE Offline CLI tool" in
Cmd.info "mte-offline" ~doc
in
Cmd.group info
[
setup_cmd;
download_cmd;
sign_cmd;
upload_cmd;
revoke_denom_cmd;
revoke_signkey_cmd;
enable_auditor_cmd;
disable_auditor_cmd;
wire_fee_cmd;
global_fees_cmd;
drain_cmd;
]
let main () = Cmd.eval_result cli
let () = if !Sys.interactive then () else exit (main ())

230
.jjconflict-side-0/tools/offline_impl.ml
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@ -1,230 +0,0 @@
open Syntax
open Hash
let read_file fname = Bos.OS.File.read (Fpath.v fname) |> unwrap_err_msg
let write_file fname content =
Bos.OS.File.write (Fpath.v fname) content |> unwrap_err_msg
let read_master_key_file filename =
let* master_key = read_file filename in
Crypto.EddsaPrivateKey.of_octets master_key
let base_url = Uri.of_string "http://localhost:3434/"
let full_url path = Uri.with_path base_url path |> Uri.to_string
let download ~output =
let open Bos in
let uri = full_url "/management/keys/" in
OS.Cmd.run Cmd.(v "curl" % "-s" % "-o" % output % "-X" % "GET" % uri)
|> unwrap_err_msg
let upload ~input ~url =
let open Bos in
let uri = full_url url in
OS.Cmd.run
Cmd.(
v "curl"
% "-i"
% "-X"
% "POST"
% "-H"
% "Content-Type: application/json"
% "--data"
% ("@" ^ input)
% uri)
|> unwrap_err_msg
let setup ~output =
let () = Mirage_crypto_rng_unix.use_default () in
let priv, pub = Mirage_crypto_ec.Ed25519.generate () in
Fmt.pr "generated master public key:@\n%s@."
(Mirage_crypto_ec.Ed25519.pub_to_octets pub |> B32.encode);
let priv_data = Mirage_crypto_ec.Ed25519.priv_to_octets priv in
write_file output priv_data
let sign ~master_key ~input ~output =
let open Crypto in
let* master_key = read_master_key_file master_key in
let* input = read_file input in
let master_pub = EddsaPrivateKey.pub_of_priv master_key in
let* future_keys_response = Api.decode Api.FutureKeysResponse.jsont input in
let* () =
Offline_sig.verify_future_keys_response master_pub future_keys_response
in
let master_signatures =
Offline_sig.mk_future_keys ~master_key future_keys_response
in
let* s = Api.encode Api.MasterSignatures.jsont master_signatures in
let* () = write_file output s in
Ok ()
let revoke_denom ~output ~master_key ~h_denom =
let* key = read_master_key_file master_key in
let* h_denom_pub = DenominationHash.of_b32 h_denom in
let denom_revoke =
let master_sig =
let open Signatures.MasterDenominationKeyRevocation in
sign_f ~f:(Crypto.EddsaSignature.sign ~key) { h_denom_pub }
in
Api.DenomRevocationSignature.{ master_sig }
in
let* s = Api.encode Api.DenomRevocationSignature.jsont denom_revoke in
let* () = write_file output s in
Ok ()
let revoke_signkey ~output ~master_key ~signkey =
let* key = read_master_key_file master_key in
let signkey_revoke =
let master_sig =
let open Signatures.MasterSigningKeyRevocation in
sign_f ~f:(Crypto.EddsaSignature.sign ~key) { exchange_pub= signkey }
in
Api.SignkeyRevocationSignature.{ master_sig }
in
let* s = Api.encode Api.SignkeyRevocationSignature.jsont signkey_revoke in
let* () = write_file output s in
Ok ()
let global_fees ~output ~master_key ~start_date ~end_date ~history_fee
~account_fee ~purse_fee ~history_expiration ~purse_account_limit
~purse_timeout =
let open Crypto in
let* key = read_master_key_file master_key in
let* purse_account_limit =
match
purse_account_limit >= 0
&& purse_account_limit <= Int32.to_int Int32.max_int
with
| false -> Error "invalid purse_account_limit value"
| true -> Ok (Int32.of_int purse_account_limit)
in
let master_sig =
let open Signatures.GlobalFees in
(* TODO KYC *)
let kyc_timeout = Time.Relative.forever in
let kyc_fee = Amount.dummy_value in
sign_f ~f:(EddsaSignature.sign ~key)
{
start_date;
end_date;
purse_timeout;
kyc_timeout;
history_expiration;
history_fee;
kyc_fee;
account_fee;
purse_fee;
purse_account_limit;
}
in
let global_fees =
Api.GlobalFees.
{
start_date;
end_date;
purse_timeout;
history_expiration;
history_fee;
account_fee;
purse_fee;
purse_account_limit;
master_sig;
}
in
let* s = Api.encode Api.GlobalFees.jsont global_fees in
let* () = write_file output s in
Ok ()
let enable_auditor ~output ~master_key ~auditor_url ~auditor_name ~auditor_pub
~validity_start =
let open Crypto in
let* key = read_master_key_file master_key in
let master_sig =
let open Signatures.MasterAddAuditor in
sign_f ~f:(EddsaSignature.sign ~key)
{
start_date= validity_start;
auditor_pub;
h_auditor_url= Hash.Cstring.H64.hash auditor_url;
}
in
let v =
Api.AuditorSetupMessage.
{ auditor_url; auditor_name; auditor_pub; master_sig; validity_start }
in
let* s = Api.encode Api.AuditorSetupMessage.jsont v in
let* () = write_file output s in
Ok ()
let disable_auditor ~output ~master_key ~auditor_pub ~validity_end =
let open Crypto in
let* key = read_master_key_file master_key in
let master_sig =
let open Signatures.MasterDelAuditor in
sign_f ~f:(EddsaSignature.sign ~key) { end_date= validity_end; auditor_pub }
in
let v = Api.AuditorTeardownMessage.{ master_sig; validity_end } in
let* s = Api.encode Api.AuditorTeardownMessage.jsont v in
let* () = write_file output s in
Ok ()
let wire_fee ~output ~master_key ~wire_method ~fee_start ~fee_end ~closing_fee
~wire_fee =
let open Crypto in
let* key = read_master_key_file master_key in
let master_sig_wire =
let open Signatures.MasterWireFee in
sign_f ~f:(EddsaSignature.sign ~key)
{
h_wire_method= Hash.Cstring.H64.hash wire_method;
start_date= fee_start;
end_date= fee_end;
closing_fee;
wire_fee;
}
in
let v =
Api.WireFeeSetupMessage.
{
wire_method;
fee_start;
fee_end;
closing_fee;
wire_fee;
master_sig_wire;
}
in
let* s = Api.encode Api.WireFeeSetupMessage.jsont v in
let* () = write_file output s in
Ok ()
let drain ~output ~master_key ~debit_account_section ~credit_payto_uri ~wtid
~date ~amount =
let open Crypto in
let* key = read_master_key_file master_key in
let master_sig =
let open Signatures.MasterDrainProfit in
sign_f ~f:(EddsaSignature.sign ~key)
{
wtid;
date;
amount;
h_section= Hash.Cstring.H64.hash debit_account_section;
h_payto= FullPaytoHash.hash credit_payto_uri;
}
in
let v =
Api.DrainProfitsMessage.
{
debit_account_section;
credit_payto_uri;
wtid;
master_sig;
date;
amount;
}
in
let* s = Api.encode Api.DrainProfitsMessage.jsont v in
let* () = write_file output s in
Ok ()

3
.jjconflict-side-1/.gitignore vendored
View file

@ -1,3 +0,0 @@
_build
data/secmod/*
!data/secmod/.gitkeep

15
.jjconflict-side-1/.ocamlformat
View file

@ -1,15 +0,0 @@
version=0.28.1
exp-grouping=preserve
type-decl=sparse
break-infix=fit-or-vertical
break-collection-expressions=fit-or-vertical
break-sequences=false
break-infix-before-func=false
dock-collection-brackets=true
break-separators=after
field-space=tight
if-then-else=compact
break-sequences=false
sequence-blank-line=compact
exp-grouping=preserve
sequence-blank-line=preserve-one

661
.jjconflict-side-1/LICENSE
View file

@ -1,661 +0,0 @@
GNU AFFERO GENERAL PUBLIC LICENSE
Version 3, 19 November 2007
Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
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software and other kinds of works, specifically designed to ensure
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The licenses for most software and other practical works are designed
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our General Public Licenses are intended to guarantee your freedom to
share and change all versions of a program--to make sure it remains free
software for all its users.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
them if you wish), that you receive source code or can get it if you
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Developers that use our General Public Licenses protect your rights
with two steps: (1) assert copyright on the software, and (2) offer
you this License which gives you legal permission to copy, distribute
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receive widespread use, become available for other developers to
incorporate. Many developers of free software are heartened and
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The GNU General Public License permits making a modified version and
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The GNU Affero General Public License is designed specifically to
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THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
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If the disclaimer of warranty and limitation of liability provided
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END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If your software can interact with users remotely through a computer
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get its source. For example, if your program is a web application, its
interface could display a "Source" link that leads users to an archive
of the code. There are many ways you could offer source, and different
solutions will be better for different programs; see section 13 for the
specific requirements.
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU AGPL, see
<https://www.gnu.org/licenses/>.

74
.jjconflict-side-1/data/assets/default.config
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@ -1,74 +0,0 @@
[currency-EUR]
enabled= YES
code= EUR
name= euro
fractional_input_digits= 2
fractional_normal_digits= 2
fractional_trailing_zero_digits= 2
alt_unit_names= "{"0":"€","3":"k€"}"
[exchange]
currency = EUR
currency_round_unit = EUR:0.01
db = postgres
attribute_encryption_key = "deadbeef"
port = 3434
bind_to = localhost
master_public_key = "SJ0NYND22VQP3MP7FM754RDX8HCKVWAXTHY9SQNBTPRJZ2SPM2S0"
stefan_abs = EUR:0.00
stefan_log = EUR:0.00
stefan_lin = 0.00
aggregator_idle_sleep_interval = "1 hour"
closer_idle_sleep_interval = "1 hour"
transfer_idle_sleep_interval = "1 hour"
wirewatch_idle_sleep_interval = "1 hour"
signkey_legal_duration = "1 year"
max_keys_caching = "4 weeks"
enable_kyc = NO
terms_etag = "0"
privacy_etag = "0"
base_url = "http://localhost:3434/"
[exchangedb]
idle_reserve_expiration_time = "1 year 2 weeks 3 hours 4 minutes 5 seconds"
legal_reserve_expiration_time = "1 year"
aggregator_shift = "1 year"
max_aml_program_runtime = "1 year"
default_purse_limit = 9999
[exchangedb-postgres]
config = "pgx://mte:hunter2@localhost:5432/taler-exchange"
[taler-exchange-secmod-rsa]
lookahead_sign = "1 year"
overlap_duration = "1 year"
[taler-exchange-secmod-eddsa]
lookahead_sign = "1 year"
overlap_duration = "1 year"
[coin_kudo_1]
value= EUR:0.01
duration_withdraw= "1 year"
duration_spend= "1 year"
duration_legal= "1 year"
fee_withdraw= EUR:0.00
fee_deposit= EUR:0.00
fee_refresh= EUR:0.00
fee_refund= EUR:0.00
cipher= RSA
rsa_keysize= 2048
age_restricted= NO
[coin_kudo_2]
value= EUR:0.02
duration_withdraw= "1 year"
duration_spend= "1 year"
duration_legal= "1 year"
fee_withdraw= EUR:0.00
fee_deposit= EUR:0.00
fee_refresh= EUR:0.00
fee_refund= EUR:0.00
cipher= RSA
rsa_keysize= 2048
age_restricted= NO

1
.jjconflict-side-1/data/assets/privacy/en/0.md
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@ -1 +0,0 @@
# TODO dummy ToS

1
.jjconflict-side-1/data/assets/privacy/en/0.txt
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@ -1 +0,0 @@
# TODO dummy ToS

1
.jjconflict-side-1/data/assets/terms/en/0.md
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@ -1 +0,0 @@
# TODO dummy ToS

1
.jjconflict-side-1/data/assets/terms/en/0.txt
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@ -1 +0,0 @@
# TODO dummy ToS

1
.jjconflict-side-1/data/auditor_private_key
View file

@ -1 +0,0 @@
Iî÷q¸àwÇ´Y—›gbÙ'R+5µ™â°ƒˆyë>

1
.jjconflict-side-1/data/auditor_public_key
View file

@ -1 +0,0 @@
A17JXR3E6J4CXDPYT7S1H25PGJ3ABS26TQ38654QCX0TB59RPMF0

BIN
.jjconflict-side-1/data/master_offline_private_key
View file

Binary file not shown.

0
.jjconflict-side-1/data/secmod/.gitkeep
View file

46
.jjconflict-side-1/dune-project
View file

@ -1,46 +0,0 @@
(lang dune 3.20)
(name mte)
(generate_opam_files true)
; (source
; (github username/reponame))
(authors "Olivier Pierre <swrup@protonmail.com>")
(maintainers "Olivier Pierre <swrup@protonmail.com>")
(license AGPL-3.0-only)
; (documentation https://url/to/documentation)
(package
(name mte)
(synopsis "MTE - the MirageOS Taler Exchange")
(description "A GNU Taler exchange implementation with the unikernel framework MirageOS")
(tags
("GNU Taler" MirageOS unikernel OCaml crypto))
(depends
(ocaml (>= 5.3))
base32
caqti
caqti-miou
caqti-driver-pgx
crunch
vif
jsont
cohttp
fmt
bin
angstrom
zarith
mirage-crypto
digestif
duration
jsont
cohttp
ptime
logs
(ocamlformat :with-dev-setup)
))

5
.jjconflict-side-1/include/dune
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@ -1,5 +0,0 @@
(library
(name include)
; (wrapped false)
(modules taler_signatures)
(libraries))

78
.jjconflict-side-1/include/taler_signatures.ml
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@ -1,78 +0,0 @@
(* This file was generated by using data and/or code from the GNU Taler project,
under the AGPL-v3 licence.
Do not edit it. *)
let master_aml_key : int32 = 1017_l
let master_drain_profit : int32 = 1018_l
let master_partner_details : int32 = 1019_l
let master_signing_key_revoked : int32 = 1020_l
let master_add_wire : int32 = 1021_l
let master_global_fees : int32 = 1022_l
let master_del_wire : int32 = 1023_l
let master_signing_key_validity : int32 = 1024_l
let master_denomination_key_validity : int32 = 1025_l
let master_add_auditor : int32 = 1026_l
let master_del_auditor : int32 = 1027_l
let master_wire_fees : int32 = 1028_l
let master_denomination_key_revoked : int32 = 1029_l
let master_wire_details : int32 = 1030_l
let master_extension : int32 = 1031_l
let exchange_reserve_status : int32 = 1032_l
let exchange_confirm_deposit : int32 = 1033_l
let exchange_confirm_melt : int32 = 1034_l
let exchange_key_set : int32 = 1035_l
let exchange_confirm_wire : int32 = 1036_l
let exchange_confirm_wire_deposit : int32 = 1037_l
let exchange_confirm_refund : int32 = 1038_l
let exchange_confirm_recoup : int32 = 1039_l
let exchange_reserve_closed : int32 = 1040_l
let exchange_confirm_recoup_refresh : int32 = 1041_l
let exchange_affirm_denom_unknown : int32 = 1042_l
let exchange_affirm_denom_expired : int32 = 1043_l
let exchange_confirm_purse_creation : int32 = 1045_l
let exchange_confirm_purse_merged : int32 = 1046_l
let exchange_purse_status : int32 = 1047_l
let exchange_reserve_attest_details : int32 = 1048_l
let exchange_confirm_purse_refund : int32 = 1049_l
let exchange_confirm_withdraw : int32 = 1050_l
let auditor_exchange_keys : int32 = 1064_l
let merchant_contract : int32 = 1101_l
let merchant_refund : int32 = 1102_l
let merchant_track_transaction : int32 = 1103_l
let merchant_payment_ok : int32 = 1104_l
let merchant_wire_details : int32 = 1107_l
let merchant_token_issue : int32 = 1108_l
let wallet_reserve_withdraw : int32 = 1200_l
let wallet_coin_deposit : int32 = 1201_l
let wallet_coin_melt : int32 = 1202_l
let wallet_coin_recoup : int32 = 1203_l
let wallet_coin_link : int32 = 1204_l
let wallet_account_setup : int32 = 1205_l
let wallet_coin_recoup_refresh : int32 = 1206_l
let wallet_age_attestation : int32 = 1207_l
let wallet_reserve_history : int32 = 1208_l
let wallet_coin_history : int32 = 1209_l
let wallet_purse_create : int32 = 1210_l
let wallet_purse_deposit : int32 = 1211_l
let wallet_purse_status : int32 = 1212_l
let wallet_purse_merge : int32 = 1213_l
let wallet_account_merge : int32 = 1214_l
let wallet_reserve_close : int32 = 1215_l
let wallet_purse_econtract : int32 = 1216_l
let wallet_reserve_open : int32 = 1217_l
let wallet_reserve_open_deposit : int32 = 1218_l
let wallet_reserve_attest_details : int32 = 1219_l
let wallet_purse_delete : int32 = 1220_l
let wallet_reserve_age_withdraw : int32 = 1221_l
let wallet_token_use : int32 = 1222_l
let mailbox_messages_delete : int32 = 1223_l
let sm_rsa_denomination_key : int32 = 1250_l
let sm_signing_key : int32 = 1251_l
let sm_cs_denomination_key : int32 = 1252_l
let client_test_eddsa : int32 = 1302_l
let exchange_test_eddsa : int32 = 1303_l
let aml_decision : int32 = 1350_l
let aml_query : int32 = 1351_l
let kyc_auth : int32 = 1360_l
let anastasis_policy_upload : int32 = 1400_l
let sync_backup_upload : int32 = 1450_l

49
.jjconflict-side-1/mte.opam
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@ -1,49 +0,0 @@
# This file is generated by dune, edit dune-project instead
opam-version: "2.0"
synopsis: "MTE - the MirageOS Taler Exchange"
description:
"A GNU Taler exchange implementation with the unikernel framework MirageOS"
maintainer: ["Olivier Pierre <swrup@protonmail.com>"]
authors: ["Olivier Pierre <swrup@protonmail.com>"]
license: "AGPL-3.0-only"
tags: ["GNU Taler" "MirageOS" "unikernel" "OCaml" "crypto"]
depends: [
"dune" {>= "3.20"}
"ocaml" {>= "5.3"}
"base32"
"caqti"
"caqti-miou"
"caqti-driver-pgx"
"crunch"
"vif"
"jsont"
"cohttp"
"fmt"
"bin"
"angstrom"
"zarith"
"mirage-crypto"
"digestif"
"duration"
"jsont"
"cohttp"
"ptime"
"logs"
"ocamlformat" {with-dev-setup}
"odoc" {with-doc}
]
build: [
["dune" "subst"] {dev}
[
"dune"
"build"
"-p"
name
"-j"
jobs
"@install"
"@runtest" {with-test}
"@doc" {with-doc}
]
]
x-maintenance-intent: ["(latest)"]

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(* TODO
have safe amount arithmetic
make type private
redefine an Amount module with currency enforced to be Config.currency? *)
(* Amounts of currency, serialized as `<Currency>:<IntegerPart>.<FractionalPart>`
Fixed-precision numbers with 8 decimal places.
- <Currency> must be at most 11 characters long
only consist of ASCII letters (a-zA-Z).
- integer part of <DecimalAmount> may be at most 2^52.
- fractional part of <DecimalAmount> may contain at most 8 decimal digits.
Prefixed with '+' or '-' in certain contexts.
When no sign is present, the amount is assumed to be positive. *)
type sign =
| Sign_plus
| Sign_minus
type t = {
sign: sign option;
currency: string;
value: Int64.t;
fraction: Int32.t;
}
let ( let* ) o f = match o with Ok v -> f v | Error _ as e -> e
let check_not msg = function false -> Ok () | true -> Error msg
let value_upper_bound = Z.(pow (of_int 2) 52) |> Z.to_int64
let fraction_upper_bound = Int32.of_int 100_000_000
let make ~sign ~currency ~value ~fraction =
let* () = check_not "value is negative" (value < Int64.zero) in
let* () = check_not "fraction is negative" (fraction < Int32.zero) in
let* () =
check_not "value is greater than 2^52" (value > value_upper_bound)
in
let* () =
check_not "fraction has more than 8 decimal digits"
(fraction >= fraction_upper_bound)
in
Ok { sign; currency; value; fraction }
let pp =
let open Fmt in
let pp_sign ppf = function
| Sign_plus -> char ppf '+'
| Sign_minus -> char ppf '-'
in
fun ppf { sign; currency; value; fraction } ->
pf ppf "%a%s:%Ld.%02ld" (Fmt.option pp_sign) sign currency value fraction
let to_string = Fmt.str "%a" pp
let of_string =
let open Angstrom in
let parse_sign =
choice
[
char '+' *> return (Some Sign_plus);
char '-' *> return (Some Sign_minus);
return None;
]
in
let parse_currency =
(* TODO currency string constraint/format *)
take_while1 (function
| 'a' .. 'z' | 'A' .. 'Z' -> true
| _ -> false)
in
let parse_int64 =
take_while1 (function '0' .. '9' -> true | _ -> false)
>>| Int64.of_string_opt
>>= function
| None -> fail "invalid integer"
| Some n -> return n
in
let parse_int32 =
take_while1 (function '0' .. '9' -> true | _ -> false)
>>| Int32.of_string_opt
>>= function
| None -> fail "invalid integer"
| Some n -> return n
in
let parse_t =
lift4
(fun sign currency value fraction ->
make ~sign ~currency ~value ~fraction)
parse_sign parse_currency
(char ':' *> parse_int64)
(char '.' *> parse_int32)
in
fun s -> parse_string ~consume:Consume.All parse_t s |> Result.join
let jsont = Jsont.of_of_string ~kind:"Amount" of_string ~enc:to_string
let currency_len = 12
let pad_currency s =
let len = String.length s in
assert (len <= 11);
let b = Bytes.make 12 '\x00' in
Bytes.blit_string s 0 b 0 len;
Bytes.to_string b
let bin =
let open Bin in
record (fun _value _fraction _currency ->
(* no need to decode amount? *)
assert false)
|+ field neint64 (fun t -> t.value)
|+ field neint32 (fun t -> t.fraction)
|+ field (bytes currency_len) (fun t -> pad_currency t.currency)
|> sealr
let bin_nbo =
let open Bin in
record (fun _value _fraction _currency -> assert false)
|+ field beint64 (fun t -> t.value)
|+ field beint32 (fun t -> t.fraction)
|+ field (bytes currency_len) (fun t -> pad_currency t.currency)
|> sealr
let dummy_value = "DUMMY:0.0" |> of_string |> Result.get_ok

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(* TODO
? have a currency agnostic amount_lib.ml and specialize amount.ml to Config.currency *)
type sign =
| Sign_plus
| Sign_minus
type t = private {
sign: sign option;
currency: string;
value: Int64.t;
fraction: Int32.t;
}
val make :
sign:sign option ->
currency:string ->
value:Int64.t ->
fraction:Int32.t ->
(t, string) result
val pp : Format.formatter -> t -> unit
val to_string : t -> string
val of_string : string -> (t, string) result
val currency_len : int
val jsont : t Jsont.t
(* only for encoding *)
val bin : t Bin.t
val bin_nbo : t Bin.t
(* TODO
dummy value to use as placeholder for WIP *)
val dummy_value : t

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(* TODO clean up *)
(* docs: https://docs.taler.net/manpages/taler-exchange.conf.5.html
https://docs.taler.net/design-documents/003-tos-rendering.html *)
(* hardcoded config just for static assets *)
let default_lang = "en"
let default_encoding : [< `Identity | `DEFLATE | `Gzip ] = `Identity
(* todo: Taler documentation markdown mimetype should be the prefered one, and be
supported, according to DD we take text/plain as default instead for now *)
let default_mimetype = ("text", "plain")
let default_extension = ".txt"
let terms_legal_version = "1"
let privacy_legal_version = "1"
module Mimetype = struct
let mimetype_extension_assoc =
[
(("text", "plain"), ".txt");
(("text", "markdown"), ".md");
(("text", "html"), ".html");
(("text", "html"), ".htm");
(("application", "pdf"), ".pdf");
(("image", "jpeg"), ".jpg");
(("image", "jpeg"), ".jpeg");
(("image", "png"), ".png");
(("image", "gif"), ".gif");
]
let mimetype_l, _ = List.split mimetype_extension_assoc
let of_cohttp_media = function
| Cohttp.Accept.MediaType (m, m_sub) ->
List.find_opt (( = ) (m, m_sub)) mimetype_l
| AnyMediaSubtype m ->
List.find_opt (fun (m', _) -> String.equal m m') mimetype_l
| AnyMedia -> Some default_mimetype
let to_extension (m, m_sub) =
assert (m <> "*");
assert (m_sub <> "*");
List.assoc_opt (m, m_sub) mimetype_extension_assoc
let of_extension ext =
List.find_map
(fun (mime, ext') ->
match String.equal ext ext' with false -> None | true -> Some mime)
mimetype_extension_assoc
let pp_mime fmt mime = Fmt.pf fmt "%s/%s" (fst mime) (snd mime)
end
(* TODO config *)
type t =
| Terms
| Privacy
let etag k =
Result.get_ok
@@ Headers_lib.Etag.of_crockford32
@@ match k with Terms -> "0" | Privacy -> "0"
let legal_version = function
| Terms -> terms_legal_version
| Privacy -> privacy_legal_version
let base_dir = function
| Terms -> Fpath.v "terms"
| Privacy -> Fpath.v "privacy"
(* does some checks on assets/ folder content and infer the set of supported languages and mimetype *)
let supported_lang_arr, supported_ext_arr =
let open Syntax in
let path_l =
Assets_crunch.file_list |> list_map Fpath.of_string |> function
| Error (`Msg e) -> Fmt.failwith "%s" e
| Ok x -> x
in
let aux t =
let prefix = base_dir t in
let path_l = path_l |> List.filter_map (Fpath.rem_prefix prefix) in
let ext_l =
path_l |> List.map Fpath.get_ext |> List.sort_uniq String.compare
in
let lang_l =
path_l
|> List.map (fun path ->
match Fpath.segs path with
| [] -> assert false
| [ dir; _file ] -> dir
| _l ->
Fmt.failwith "invalid folder structure, file `%s` is misplaced"
(Fpath.to_string path))
|> List.sort_uniq String.compare
in
let () =
if List.is_empty lang_l then Fmt.failwith "no language supported";
if List.is_empty ext_l then Fmt.failwith "no mimetype supported";
if not @@ List.mem default_lang lang_l then
Fmt.failwith "default language `%s` files not found" default_lang;
if not @@ List.mem ".txt" ext_l then
Fmt.failwith "plain text file not found";
if not @@ List.mem ".md" ext_l then Fmt.failwith "markdown file not found";
List.iter
(fun dir ->
if String.length dir <> 2 then
Fmt.failwith "language directory with invalid name: `%s`" dir)
lang_l;
if List.length path_l <> List.length ext_l * List.length lang_l then
Fmt.failwith
"invalid folder structure, all supported language must provide the \
same set of file mimetype"
in
(lang_l, ext_l)
in
let lang_l, ext_l = aux Terms in
let lang_l', ext_l' = aux Privacy in
let () =
if
not
@@ (List.equal String.equal lang_l lang_l'
&& List.equal String.equal ext_l ext_l')
then
Fmt.failwith
"invalid folder structure, /terms and /privacy must support the same \
set of languages and mimetypes";
()
in
(Array.of_list lang_l, Array.of_list ext_l)
let supported_mimetype_arr =
Array.map Mimetype.of_extension supported_ext_arr |> Array.map Option.get
let is_supported_lang lang = Array.mem lang supported_lang_arr
let is_supported_ext ext = Array.mem ext supported_ext_arr
let is_supported_mimetype mime = Array.mem mime supported_mimetype_arr
(* ! lang and mime must be supported *)
let get_content ~lang ~mime t =
let etag = Headers_lib.Etag.to_raw_string (etag t) in
let ext =
match Mimetype.to_extension mime with
| None -> Fmt.failwith "mimetype `%s/%s` unknown" (fst mime) (snd mime)
| Some ext -> ext
in
let path = Fpath.to_string Fpath.((base_dir t / lang / etag) + ext) in
match Assets_crunch.read path with
| None -> Fmt.failwith "static file not found: `%s`" path
| Some data -> data

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(* Crockford's variant of Base32
http://www.crockford.com/wrmg/base32.html
except that:
- 'U' is not excluded but also decodes to 'V'
- '-' is not allowed
- checksum is not allowed *)
(* 'I' 'L' 'O' 'U' excluded
no '=' padding in encoded string *)
type t = string
let alphabet = Base32.make_alphabet "0123456789ABCDEFGHJKMNPQRSTVWXYZ"
let encode s =
let s = Base32.encode_string ~alphabet s in
(* remove '=' padding *)
match String.index_opt s '=' with
| None -> s
| Some i -> String.sub s 0 i
let decode s =
let s =
String.map
(fun c ->
match Char.uppercase_ascii c with
| 'O' -> '0'
| 'I' | 'L' -> '1'
| 'U' -> 'V'
| c -> c)
s
in
(* restore padding for base32 lib *)
let n = 8 - (String.length s mod 8) in
let pad = String.make n '=' in
let s = s ^ pad in
match Base32.decode ~alphabet ~off:0 ~len:(String.length s) s with
| Error (`Msg e) -> Error e
| Ok v -> Ok v

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open Parse_config
let config_data =
let path = Fpath.to_string (Fpath.v "default.config") in
match Assets_crunch.read path with
| None -> fail "static file not found: `%s`" path
| Some data ->
let v = Parse_data.parse data in
v
module Exchange = struct
let get_opt field = get_opt config_data ~section:"exchange" ~field
let get field = get config_data ~section:"exchange" ~field
(* - *)
let currency = (* todo: constraint on currency string *) get "currency"
let currency_round_unit = get "currency_round_unit" |> amount
let db = get "db" |> const_value "postgres"
let attribute_encryption_key = get "attribute_encryption_key"
let port = get "port" |> int
let bind_to = get "bind_to"
let master_public_key = get "master_public_key" |> ed25519
(* TODO Defaults to 0.0 if not specified. *)
let stefan_abs = get "stefan_abs" |> amount
let stefan_log = get "stefan_log" |> amount
let stefan_lin =
get_opt "stefan_lin" |> Option.map float |> Option.value ~default:0.0
let aggregator_idle_sleep_interval =
get "aggregator_idle_sleep_interval" |> duration
let closer_idle_sleep_interval = get "closer_idle_sleep_interval" |> duration
let transfer_idle_sleep_interval =
get "transfer_idle_sleep_interval" |> duration
let wirewatch_idle_sleep_interval =
get "wirewatch_idle_sleep_interval" |> duration
let signkey_legal_duration = get "signkey_legal_duration" |> duration
let max_keys_caching = get "max_keys_caching" |> duration
let enable_kyc = get "enable_kyc" |> yes_no
let terms_etag = get "terms_etag"
let privacy_etag = get "privacy_etag"
let base_url = get "base_url"
let shopping_url = get_opt "shopping_url"
let open_banking_gateway_url = get_opt "open_banking_gateway_url"
let bank_compliance_language = get_opt "bank_compliance_language"
let aml_spa_dialect = get_opt "aml_spa_dialect"
let toplevel_redirect_url = get_opt "toplevel_redirect_url"
let tiny_amount = get_opt "tiny_amount" |> Option.map amount
(* not implemented or not relevant to MTE:
let max_requests = get "max_requests" |> int
aggregator_shard_size
serve
unixpath
unixpath_mode
terms_dir
privacy_dir *)
end
module Exchangedb = struct
let get field = get config_data ~section:"exchangedb" ~field
(* - *)
let idle_reserve_expiration_time =
get "idle_reserve_expiration_time" |> duration
let legal_reserve_expiration_time =
get "legal_reserve_expiration_time" |> duration
let aggregator_shift = get "aggregator_shift" |> duration
let max_aml_program_runtime = get "max_aml_program_runtime" |> duration
let default_purse_limit = get "default_purse_limit" |> int
end
module Exchangedb_postgres = struct
let config =
get config_data ~section:"exchangedb-postgres" ~field:"config" |> uri
end
module Currency = struct
type t = {
enabled: [ `YES | `NO ];
code: string;
name: string;
fractional_input_digits: int;
fractional_normal_digits: int;
fractional_trailing_zero_digits: int;
alt_unit_names: (int * string) list;
}
let currency_sections =
List.filter
(fun v -> String.starts_with ~prefix:"currency-" v.header)
config_data
let parse_currency section =
let get field = get config_data ~section:section.header ~field in
{
enabled= get "enabled" |> yes_no;
code= get "code";
name= get "name";
fractional_input_digits= get "fractional_input_digits" |> int;
fractional_normal_digits= get "fractional_normal_digits" |> int;
fractional_trailing_zero_digits=
get "fractional_trailing_zero_digits" |> int;
alt_unit_names=
get "alt_unit_names" |> Alt_unit_names.decode |> Parse_config.unwrap_res;
}
let all_currencies = List.map parse_currency currency_sections
(* I think the exchange only handle one currency *)
let v =
match
List.find_opt (fun v -> v.code = Exchange.currency) all_currencies
with
| None ->
fail "section `[currency-%s]` not found, currency `%s` is not defined"
Exchange.currency Exchange.currency
| Some v -> (
match v.enabled = `YES with
| false -> fail "currency `%s` is not enabled" Exchange.currency
| true -> v)
end
module Coin = struct
type t = {
section_name: string;
value: Amount.t;
duration_withdraw: Time.Relative.t;
duration_spend: Time.Relative.t;
duration_legal: Time.Relative.t;
fee_withdraw: Amount.t;
fee_deposit: Amount.t;
fee_refresh: Amount.t;
fee_refund: Amount.t;
cipher: [ (* `CS |*) `RSA ];
rsa_keysize: int; (* : int option (only if `RSA) *)
age_restricted: [ (*`YES|*) `NO ];
}
let coin_sections =
List.filter
(fun v ->
(* note: here its a '_' not '-' *)
String.starts_with ~prefix:"coin_" v.header)
config_data
let parse_coin section =
let get field = get config_data ~section:section.header ~field in
let section_name =
String.sub section.header 5 (String.length section.header - 5)
in
{
section_name;
value= get "value" |> amount;
duration_withdraw= get "duration_withdraw" |> duration;
duration_spend= get "duration_spend" |> duration;
duration_legal= get "duration_legal" |> duration;
fee_withdraw= get "fee_withdraw" |> amount;
fee_deposit= get "fee_deposit" |> amount;
fee_refresh= get "fee_refresh" |> amount;
fee_refund= get "fee_refund" |> amount;
cipher= (get "cipher" |> const_value "RSA" |> fun _s -> `RSA);
rsa_keysize= get "rsa_keysize" |> int;
age_restricted=
( get "age_restricted" |> yes_no |> function
| `NO -> `NO
| `YES -> fail "`age_restricted = YES` is not supported" );
}
let all_coins = List.map parse_coin coin_sections
end
module Exchange_secmod_rsa = struct
let get field =
let section = "taler-exchange-secmod-" ^ "rsa" in
get config_data ~section ~field
let lookahead_sign = get "lookahead_sign" |> duration
let overlap_duration = get "overlap_duration" |> duration
(* not relevant: sm_priv_key key_dir unixpath *)
end
module Exchange_secmod_eddsa = struct
let get field =
let section = "taler-exchange-secmod-" ^ "eddsa" in
get config_data ~section ~field
let lookahead_sign = get "lookahead_sign" |> duration
let overlap_duration = get "overlap_duration" |> duration
end
(* -- *)
include Exchange

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open Syntax
module Binary_format_rsa = struct
(* TODO tests:
- need to strip leading zeros?
- endianess ok? *)
(* RSA public key binary format
https://www.gnupg.org/documentation/manuals/gcrypt/MPI-formats.html
:= { uint16_be: n size; uint16_be: e size; n; e}
integer in big-endian format (MSB first)
leading zeroes are stripped unless they are required to keep a value positive
no 0-termination *)
let rev_string len s = String.init len (fun i -> s.[len - 1 - i])
(* we reverse bytes because Z.of_bits reads bytes in little endian *)
let z_of_bits_be src pos len =
String.sub src pos len |> rev_string len |> Z.of_bits
let z_to_bits_be z =
let bits = Z.to_bits z in
rev_string (String.length bits) bits
let z_array_to_octets (arr : Z.t array) =
let nb = Array.length arr in
let bits_arr = Array.map z_to_bits_be arr in
let len_arr = Array.map String.length bits_arr in
let len = (2 * nb) + Array.fold_left ( + ) 0 len_arr in
let b = Bytes.make len '\x00' in
let pos = ref 0 in
Array.iter
(fun len ->
Bytes.set_uint16_be b !pos len;
pos := !pos + 2)
len_arr;
Array.iteri
(fun i bits ->
let len = len_arr.(i) in
Bytes.blit_string bits 0 b !pos len;
pos := !pos + len)
bits_arr;
Bytes.unsafe_to_string b
let check = function
| false -> Error "rsa of_octets error, invalid data"
| true -> Ok ()
let z_array_of_octets ~nb s =
let s_len = String.length s in
let* () = check (s_len > 2 * nb) in
let pos = ref 0 in
let len_arr =
Array.init nb (fun _i ->
let len = String.get_uint16_be s !pos in
pos := !pos + 2;
len)
in
let* () =
let len = (2 * nb) + Array.fold_left ( + ) 0 len_arr in
check (s_len = len)
in
let z_arr =
Array.init nb (fun i ->
let len = len_arr.(i) in
let z = z_of_bits_be s !pos len in
pos := !pos + len;
z)
in
Ok z_arr
let pub_to_octets ({ n; e } : Mirage_crypto_pk.Rsa.pub) =
z_array_to_octets [| n; e |]
let pub_of_octets s =
let* arr = z_array_of_octets ~nb:2 s in
match arr with
| [| n; e |] ->
let+ pub = Mirage_crypto_pk.Rsa.pub ~n ~e |> unwrap_err_msg in
pub
| _ -> assert false
let priv_to_octets ({ e; d; n; p; q; dp; dq; q' } : Mirage_crypto_pk.Rsa.priv)
=
z_array_to_octets [| e; d; n; p; q; dp; dq; q' |]
let priv_of_octets s =
let* arr = z_array_of_octets ~nb:8 s in
match arr with
| [| e; d; n; p; q; dp; dq; q' |] ->
let+ priv =
Mirage_crypto_pk.Rsa.priv ~e ~d ~n ~p ~q ~dp ~dq ~q' |> unwrap_err_msg
in
priv
| _ -> assert false
end
(* TODO key format
- check what is the exact format in GNUNET
- endianess issue? *)
module EddsaPublicKey = struct
(* EdDSA and ECDHE public keys always point on Curve25519
and represented using the standard 256 bits Ed25519 compact format,
converted to Crockford Base32. *)
open Mirage_crypto_ec.Ed25519
type t = pub
let to_octets t = pub_to_octets t
let of_octets t =
pub_of_octets t |> function
| Error e -> Fmt.error "%a" Mirage_crypto_ec.pp_error e
| Ok v -> Ok v
let bin =
let of_octets_exn t = of_octets t |> Result.get_ok in
Bin.map (Bin.bytes 32) of_octets_exn to_octets
let of_b32 s =
let* octets = B32.decode s in
let* pub = of_octets octets in
Ok pub
let to_b32 t = B32.encode (to_octets t)
let jsont = Jsont.of_of_string ~kind:"EddsaPublicKey" of_b32 ~enc:to_b32
let caqti =
Caqti_type.custom
~encode:(fun v -> Ok (to_octets v))
~decode:(fun v -> of_octets v)
Caqti_type.octets
end
module EddsaPrivateKey = struct
(* EdDSA and ECDHE public keys always point on Curve25519
and represented using the standard 256 bits Ed25519 compact format,
converted to Crockford Base32. *)
open Mirage_crypto_ec.Ed25519
type t = priv
let pub_of_priv = pub_of_priv
let to_octets t = priv_to_octets t
let of_octets t =
priv_of_octets t |> function
| Error err ->
let err = Fmt.str "%a" Mirage_crypto_ec.pp_error err in
Error err
| Ok v -> Ok v
let bin =
let of_octets_exn t = of_octets t |> Result.get_ok in
Bin.map (Bin.bytes 32) of_octets_exn to_octets
let jsont =
let of_b32 s =
let* octets = B32.decode s in
of_octets octets
in
let to_b32 t = B32.encode (to_octets t) in
Jsont.of_of_string ~kind:"EddsaPrivateKey" of_b32 ~enc:to_b32
end
module EddsaSignature : sig
type t
val sign : key:EddsaPrivateKey.t -> string -> t
(* Ok () on verification success *)
val verify : key:EddsaPublicKey.t -> t -> msg:string -> (unit, string) result
val to_octets : t -> string
val of_octets : string -> (t, string) result
val jsont : t Jsont.t
val bin : t Bin.t
val caqti : t Caqti_type.t
end = struct
(* TODO key format
endianess issue? *)
(* transmitted as 64-bytes base32
binary-encoded objects with just the R and S values *)
type t = string
(* mirage_crypto: "The result is the concatenation of r and s, as specified in RFC 8032." *)
let sign ~key s = Mirage_crypto_ec.Ed25519.sign ~key s
let verify ~key s ~msg =
let b = Mirage_crypto_ec.Ed25519.verify ~key s ~msg in
match b with
| false -> Error "signature verification failure: invalid signature"
| true -> Ok ()
let to_octets t = t
let of_octets v =
match String.length v = 64 with
| false ->
Fmt.error "EddsaSignature.of_octets failure: data is not 64 bytes."
| true -> Ok v
let bin =
let of_octets_exn t = of_octets t |> Result.get_ok in
Bin.map (Bin.bytes 64) of_octets_exn to_octets
let check_size t =
match String.length t = 64 with
| false -> Error "EddsaSignature: invalid string length"
| true -> Ok ()
let jsont =
let of_b32 s =
let* t = B32.decode s in
let+ () = check_size t in
t
in
let to_b32 = B32.encode in
Jsont.of_of_string ~kind:"EddsaSignature" of_b32 ~enc:to_b32
let caqti =
Caqti_type.custom
~encode:(fun v -> Ok (to_octets v))
~decode:(fun s -> of_octets s)
Caqti_type.octets
end
module RsaPublicKey = struct
open Mirage_crypto_pk
type t = Rsa.pub
let to_octets = Binary_format_rsa.pub_to_octets
let of_octets = Binary_format_rsa.pub_of_octets
let jsont =
let of_b32 s =
let* s = B32.decode s in
let+ v = of_octets s in
v
in
let to_b32 t = B32.encode (to_octets t) in
Jsont.of_of_string ~kind:"RsaPublicKey" of_b32 ~enc:to_b32
let caqti : t Caqti_type.t =
Caqti_type.custom
~encode:(fun v -> Ok (to_octets v))
~decode:(fun v -> of_octets v)
Caqti_type.octets
end
module RsaPrivateKey = struct
open Mirage_crypto_pk.Rsa
type t = priv
let generate ~bits () =
let priv = generate ~bits () in
let pub = pub_of_priv priv in
(priv, pub)
let pub_of_priv = pub_of_priv
let of_octets = Binary_format_rsa.priv_of_octets
let to_octets = Binary_format_rsa.priv_to_octets
let jsont =
let of_b32 s =
let* s = B32.decode s in
let+ v = of_octets s in
v
in
let to_b32 t = B32.encode (to_octets t) in
Jsont.of_of_string ~kind:"RsaPrivateKey" of_b32 ~enc:to_b32
end
module RsaSignature : sig
type t
val sign : key:Mirage_crypto_pk.Rsa.priv -> string -> t
val jsont : t Jsont.t
end = struct
type t = string
(* TODO rsa sign *)
let sign ~key s =
Mirage_crypto_pk.Rsa.decrypt ~crt_hardening:true ~mask:`Yes ~key s
let jsont =
let of_b32 s = B32.decode s in
let to_b32 t = B32.encode t in
Jsont.of_of_string ~kind:"RsaSignature" of_b32 ~enc:to_b32
end
(* some type aliases, just for prettier .mli *)
type eddsa_priv = EddsaPrivateKey.t
type eddsa_pub = EddsaPublicKey.t
type eddsa_sig = EddsaSignature.t
type rsa_priv = RsaPrivateKey.t
type rsa_pub = RsaPublicKey.t
type rsa_sig = RsaSignature.t
type denomination_hash = Hash.DenominationHash.t

35
.jjconflict-side-1/src/data_file.ml
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@ -1,35 +0,0 @@
open Bos.OS
open Syntax
open Crypto
let read fname =
let* b = File.exists fname |> Syntax.unwrap_err_msg in
match b with
| false -> Ok None
| true ->
let+ content = File.read fname |> Syntax.unwrap_err_msg in
Some content
let write_eddsa fname priv =
EddsaPrivateKey.to_octets priv |> File.write fname |> Syntax.unwrap_err_msg
let write_rsa fname priv =
RsaPrivateKey.to_octets priv |> File.write fname |> Syntax.unwrap_err_msg
let read_eddsa fname =
let* opt = read fname in
match opt with
| None -> Ok None
| Some data -> (
EddsaPrivateKey.of_octets data |> function
| Error e -> Error e
| Ok v -> Ok (Some v))
let read_rsa fname =
let* opt = read fname in
match opt with
| None -> Ok None
| Some data -> (
RsaPrivateKey.of_octets data |> function
| Error e -> Error e
| Ok v -> Ok (Some v))

18
.jjconflict-side-1/src/denom_data.ml
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@ -1,18 +0,0 @@
open Crypto
type t = {
pub: rsa_pub;
value: Amount.t;
stamp_start: Timestamp.t;
stamp_expire_withdraw: Timestamp.t;
stamp_expire_deposit: Timestamp.t;
stamp_expire_legal: Timestamp.t;
fee_withdraw: Amount.t;
fee_deposit: Amount.t;
fee_refresh: Amount.t;
fee_refund: Amount.t;
age_mask: int;
h_pub: denomination_hash;
master_sig: Signatures.DenominationKeyValidity.t option;
revoked_sig: Signatures.MasterDenominationKeyRevocation.t option;
}

26
.jjconflict-side-1/src/devices.ml
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@ -1,26 +0,0 @@
type env = {
caqti_switch: Caqti_miou.Switch.t;
db_uri: Uri.t;
}
let db_connection : (env, Caqti_miou.connection) Vif.Device.device =
let finally (module Conn : Caqti_miou.CONNECTION) = Conn.disconnect () in
Vif.Device.v ~name:"db_connection" ~finally []
@@ fun { caqti_switch; db_uri } ->
match Caqti_miou_unix.connect ~sw:caqti_switch db_uri with
| Error err ->
Fmt.failwith "Database connection failure: %a." Caqti_error.pp err
| Ok conn -> (
match Pg.preflight conn with
| Error err ->
Fmt.failwith "Database preflight failure: %a." Caqti_error.pp err
| Ok () ->
Logs.info (fun m -> m "database connection initialized");
conn)
let secmod =
let finally _key = () in
Vif.Device.v ~name:"secmod" ~finally [ Vif.Device.value db_connection ]
@@ fun (module Conn : Pg.CONN) (_env : env) ->
let sm : (module Secmod.S) = (module Secmod.Make (Conn)) in
sm

45
.jjconflict-side-1/src/dune
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@ -1,45 +0,0 @@
(executable
(public_name mte)
(name mte)
(modules mte)
(libraries mte))
(library
(name mte)
(wrapped false)
(modules :standard \ mte b32)
(libraries
b32
include
;
caqti
caqti-miou
caqti-miou.unix
caqti-driver-pgx
bin
mirage-crypto
digestif
duration
vif
fmt
jsont
cohttp
ptime
logs
logs.fmt
logs.threaded
fmt.tty))
(library ; crockford base32
(name b32)
(modules b32)
(libraries base32))
(rule
(target assets_crunch.ml)
(deps
(source_tree ../data/assets/))
(action
(with-stdout-to
%{null}
(run ocaml-crunch -m plain ../data/assets -o %{target}))))

108
.jjconflict-side-1/src/hash.ml
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@ -1,108 +0,0 @@
open Digestif
module type S = sig
type t
val bin : t Bin.t
val caqti : t Caqti_type.t
val jsont : t Jsont.t
val hash : string -> t
val of_octets : string -> t
val to_octets : t -> string
val of_b32 : B32.t -> (t, string) result
end
module H32 = struct
type t = SHA256.t
let hash s = SHA256.(digest_string s)
let of_octets s =
match String.length s = 32 with
| false -> Fmt.failwith "Hash.of_octets failure: data is not 32 bytes"
| true -> SHA256.of_raw_string s
let to_octets = SHA256.to_raw_string
let of_b32 s = Result.map of_octets (B32.decode s)
let bin =
let open Bin in
map (bytes 32) of_octets to_octets
(* hashes are not b32 encoded in the database *)
let caqti =
let open Caqti_type in
custom
~encode:(fun v -> Ok (to_octets v))
~decode:(fun v -> Ok (of_octets v))
octets
let jsont =
let enc v = B32.encode (to_octets v) in
Jsont.of_of_string ~kind:"Hash 32" of_b32 ~enc
end
module H64 = struct
type t = SHA512.t
let hash s = SHA512.(digest_string s)
let of_octets s =
match String.length s = 64 with
| false -> Fmt.failwith "Hash.of_octets failure: data is not 64 bytes"
| true -> SHA512.of_raw_string s
let to_octets v =
let s = SHA512.to_raw_string v in
match String.length s = 64 with
| false -> Fmt.failwith "Hash.to_octets failure: data is not 64 bytes"
| true -> s
let of_b32 s = Result.map of_octets (B32.decode s)
let bin =
let open Bin in
map (bytes 64) of_octets to_octets
(* hashes are not b32 encoded in the database *)
let caqti =
let open Caqti_type in
custom
~encode:(fun v -> Ok (to_octets v))
~decode:(fun v -> Ok (of_octets v))
octets
let jsont =
let enc v = B32.encode (to_octets v) in
Jsont.of_of_string ~kind:"Hash 64" of_b32 ~enc
end
(* C-terminated strings
some strings need to be hashed with a '\0' termination char *)
module Cstring = struct
module H32 = struct
include H32
let hash s = hash (s ^ "\x00")
end
module H64 = struct
include H64
let hash s = hash (s ^ "\x00")
end
end
(* TODO
check which hash algorithm to use for each hash type *)
module FullPaytoHash : S = H32
module NormalizedPaytoHash : S = H32
module DenominationHash : S = H64
module PrivateContractHash : S = H64
module ExtensionsPolicyHash : S = H64
module MerchantWireHash : S = H64
module AgeCommitmentHash : S = H64
module BlindedCoinHash : S = H64
module CoinPubHash : S = H64
module OutputCommitmentHash : S = H64
module HashPlanchetsP : S = H64

52
.jjconflict-side-1/src/headers.ml
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@ -1,52 +0,0 @@
let pp_array pp_item item = Fmt.array ~sep:(Fmt.any ", ") pp_item item
let accept_header_value =
let s =
Fmt.str "%a"
(pp_array Assets.Mimetype.pp_mime)
Assets.supported_mimetype_arr
in
s
let avail_languages_header_value =
let s = Fmt.str "%a" (pp_array Fmt.string) Assets.supported_lang_arr in
s
let select_mimetype headers =
let accept = Vif.Headers.get headers "accept" in
Cohttp.Accept.media_ranges accept
|> Cohttp.Accept.qsort
|> List.filter_map (fun (_q, (m, _p)) -> Assets.Mimetype.of_cohttp_media m)
|> List.find_opt Assets.is_supported_mimetype
let select_language headers =
let accept_language = Vif.Headers.get headers "accept-language" in
Cohttp.Accept.languages accept_language
|> Cohttp.Accept.qsort
|> List.map (fun (_q, lang) -> lang)
|> List.map (function
| Cohttp.Accept.AnyLanguage -> Assets.default_lang
| Language language_range -> (
(* ignore language subtags (e.g. "en-US" -> "en") *)
match language_range with
| [] -> assert false
| primary_tag :: _ -> primary_tag))
|> List.find_opt Assets.is_supported_lang
|> Option.value ~default:Assets.default_lang
let select_encoding headers =
Vif.Headers.get headers "accept-encoding"
|> Cohttp.Accept.encodings
|> Cohttp.Accept.qsort
|> List.map snd
|> List.filter_map (function
| Cohttp.Accept.Identity -> Some `Identity
| Deflate -> Some `DEFLATE
| Gzip -> Some `Gzip
| AnyEncoding -> Some Assets.default_encoding
| Encoding _ | Compress -> (* unsupported *) None)
|> function
| [] -> assert false
| `Identity :: _ -> None
| `DEFLATE :: _ -> Some `DEFLATE
| `Gzip :: _ -> Some `Gzip

86
.jjconflict-side-1/src/headers_lib.ml
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@ -1,86 +0,0 @@
(* independent library for headers fields value *)
(* TODO - test - can still bypass this module and directly set Etag header, but
its fine *)
module Etag : sig
(* module to parse etags header fields used by If-Match and If-None-Match
headers
https://httpwg.org/specs/rfc9110.html#field.etag *)
type t
type header_value
val parse : string -> (header_value, string) result
val of_crockford32 : string -> (t, string) result
val to_raw_string : t -> string
val to_field_value : t -> string
val evaluate : t -> header_value -> bool
end = struct
(* raw etag *)
type t = string
(* type for the value of header field *)
type header_etag_item = {
weak: bool;
value: string;
}
type header_value =
| Any_etag
| Etag_list of header_etag_item list
let pp_header_etag_item ppf { weak; value } =
if weak then Fmt.pf ppf {|W/"%s"|} value else Fmt.pf ppf {|"%s"|} value
let to_raw_string t = t
let to_field_value t =
(* always weak comparison for If-None-Match header *)
let v = { weak= true; value= t } in
Fmt.str "%a" pp_header_etag_item v
let is_valid_char c =
let n = Char.code c in
(n >= 0x21 && n <= 0x7E && n <> 0x22) || (n >= 0x80 && n <= 0xFF)
let has_valid_charset s = String.for_all is_valid_char s
let of_crockford32 s =
match has_valid_charset s with
| false -> Error "invalid etag"
| true -> Ok s
let parse =
let open Angstrom in
let ws = skip_while (function ' ' -> true | _ -> false) in
let quoted_string =
char '"' *> take_till (fun c -> c = '"') <* char '"' >>= fun s ->
if String.for_all is_valid_char s then return s
else fail "found illegal char"
in
let item =
ws
*> lift2
(fun weak value -> { weak; value })
(option false (string "W/" *> return true))
quoted_string
<* ws
in
let comma = ws *> char ',' *> ws in
let list_of_items = sep_by1 comma item in
let parse_header_value =
char '*' *> return Any_etag
<|> (list_of_items >>| fun items -> Etag_list items)
<* end_of_input
in
fun s ->
match parse_string ~consume:Consume.All parse_header_value s with
| Error e -> Fmt.error "invalid etag: %s" e
| Ok v -> Ok v
let evaluate t header_value =
match header_value with
| Any_etag -> false
| Etag_list l ->
not @@ List.exists (fun { weak= _; value } -> String.equal t value) l
end

749
.jjconflict-side-1/src/http_management.ml
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@ -1,749 +0,0 @@
open Syntax
open Api
open Hash
module Keys_get = struct
let mk_future_denom (module Sm : Secmod.S) ~section_name
({
pub;
value;
stamp_start;
stamp_expire_withdraw;
stamp_expire_deposit;
stamp_expire_legal;
fee_withdraw;
fee_deposit;
fee_refresh;
fee_refund;
age_mask;
h_pub;
master_sig= _;
revoked_sig= _;
} :
Denom_data.t) =
let denom_pub =
DenominationKey.of_rsa RsaDenominationKey.{ age_mask; rsa_pub= pub }
in
let denom_secmod_sig =
let open Signatures.DenominationKeyAnnouncement in
let h_denom_pub = h_pub in
let h_section_name = Hash.Cstring.H64.hash section_name in
let anchor_time = stamp_start in
let duration_withdraw =
Timestamp.diff stamp_start stamp_expire_withdraw
in
sign_f ~f:Sm.sign_with_sm_key
{ h_denom_pub; h_section_name; anchor_time; duration_withdraw }
in
FutureDenom.
{
section_name;
value;
stamp_start;
stamp_expire_withdraw;
stamp_expire_deposit;
stamp_expire_legal;
denom_pub;
fee_withdraw;
fee_deposit;
fee_refresh;
fee_refund;
denom_secmod_sig;
}
let mk_future_signkey (module Sm : Secmod.S)
({
pub;
stamp_start;
stamp_expire;
stamp_end;
master_sig= _;
revoked_sig= _;
} :
Signkey_data.t) =
let signkey_secmod_sig =
let open Signatures.SigningKeyAnnouncement in
let exchange_pub = pub in
let anchor_time = stamp_start in
let duration = Timestamp.diff stamp_start stamp_expire in
sign_f ~f:Sm.sign_with_sm_key { exchange_pub; anchor_time; duration }
in
FutureSignKey.
{ key= pub; stamp_start; stamp_expire; stamp_end; signkey_secmod_sig }
let mk_future_keys_response (module Sm : Secmod.S) =
let future_signkeys =
Sm.get_signkeys_data ()
|> List.filter (fun k -> Option.is_none k.Signkey_data.master_sig)
|> List.map (fun signkey -> mk_future_signkey (module Sm) signkey)
in
let future_denoms =
Sm.get_denoms_data ()
|> List.filter (fun k -> Option.is_none k.Denom_data.master_sig)
|> List.map (fun dn_data ->
let opt = Sm.find_denom_section_name dn_data.Denom_data.h_pub in
match opt with
| None -> Fmt.failwith "section_name not found."
| Some section_name ->
mk_future_denom (module Sm) ~section_name dn_data)
in
let master_pub = Config.Exchange.master_public_key in
let denom_secmod_public_key = Sm.get_sm_key_pub () in
let signkey_secmod_public_key = Sm.get_sm_key_pub () in
FutureKeysResponse.
{
future_denoms;
future_signkeys;
master_pub;
denom_secmod_public_key;
signkey_secmod_public_key;
}
let jsont = FutureKeysResponse.jsont
let f req server _env =
Logs.info (fun m -> m "GET /management/keys/");
let sm = Vif.Server.device Devices.secmod server in
let res =
let v = mk_future_keys_response sm in
let s = Api.encode_exn jsont v in
Ok s
in
Respond_util.respond_with_res res req
end
module Keys_post = struct
let verify_denom_signature (module Sm : Secmod.S)
DenomSignature.{ h_denom_pub; master_sig } =
let* denom =
match Sm.find_denom_data h_denom_pub with
| None ->
Fmt.error
"404 not found, One of the keys for which a signature was provided \
is unknown to the exchange."
| Some denom -> Ok denom
in
let open Signatures.DenominationKeyValidity in
let r : r =
{
master= Config.master_public_key;
start= denom.stamp_start;
expire_withdraw= denom.stamp_expire_withdraw;
expire_spend= denom.stamp_expire_deposit;
expire_legal= denom.stamp_expire_legal;
value= denom.value;
fee_withdraw= denom.fee_withdraw;
fee_deposit= denom.fee_deposit;
fee_refresh= denom.fee_refresh;
denom_hash= h_denom_pub;
}
in
verify_f ~f:Sm.verify_with_master_key master_sig r
let verify_signkey_signature (module Sm : Secmod.S)
SignKeySignature.{ key; master_sig } =
let* signkey =
match Sm.find_signkey_data key with
| None ->
Fmt.error
"404 not found, One of the keys for which a signature was provided \
is unknown to the exchange."
| Some signkey -> Ok signkey
in
let open Signatures.ExchangeSigningKeyValidity in
let r : r =
{
start= signkey.stamp_start;
expire= signkey.stamp_expire;
end_= signkey.stamp_end;
signkey_pub= signkey.pub;
}
in
verify_f ~f:Sm.verify_with_master_key master_sig r
let verify sm MasterSignatures.{ denom_sigs; signkey_sigs } =
let* () = list_iter (verify_denom_signature sm) denom_sigs in
let* () = list_iter (verify_signkey_signature sm) signkey_sigs in
Ok ()
(* TODO move to test *)
let check_master_signatures_update ~db_conn (module Sm : Secmod.S) =
Sm.get_denoms_data ()
|> list_iter (fun denom ->
let error = Error "update_master_signatures sanity check failure" in
let* opt =
Pg.find_denom db_conn denom.Denom_data.h_pub |> unwrap_err_caqti
in
let* v = match opt with None -> error | Some v -> Ok v in
let check = function false -> error | true -> Ok () in
let* () =
check (Timestamp.compare v.stamp_start denom.stamp_start = 0)
in
let* () = check (v.value = denom.value) in
let* () = check (v.fee_refund = denom.fee_refund) in
let* () = check (v.age_mask = denom.age_mask) in
Ok ())
let do_ ~db_conn (module Sm : Secmod.S)
MasterSignatures.{ denom_sigs; signkey_sigs } =
let* () =
signkey_sigs
|> List.map (fun SignKeySignature.{ key; master_sig } ->
(key, master_sig))
|> Sm.add_signkey_master_signatures
in
let* () =
denom_sigs
|> List.map (fun DenomSignature.{ h_denom_pub; master_sig } ->
(h_denom_pub, master_sig))
|> Sm.add_denom_master_signatures
in
let* () = Sm.store () in
let* () = check_master_signatures_update ~db_conn (module Sm) in
Ok ()
let jsont = MasterSignatures.jsont
let f req server _env =
Logs.info (fun m -> m "POST /management/keys/");
let db_conn = Vif.Server.device Devices.db_connection server in
let sm = Vif.Server.device Devices.secmod server in
let res =
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm v in
let* () = do_ ~db_conn sm v in
Ok ""
in
Respond_util.respond_with_res res req
end
module Denom_revoke = struct
let verify (module Sm : Secmod.S) h_denom_pub
DenomRevocationSignature.{ master_sig } =
let open Signatures.MasterDenominationKeyRevocation in
verify_f ~f:Sm.verify_with_master_key master_sig { h_denom_pub }
let do_ ~db_conn (module Sm : Secmod.S) h_denom_pub
DenomRevocationSignature.{ master_sig } =
let* () = Sm.revoke_denomination h_denom_pub master_sig in
let+ () =
Pg.insert_denomination_revocation db_conn h_denom_pub master_sig
|> unwrap_err_caqti
in
()
let jsont = DenomRevocationSignature.jsont
let f req h_denom_pub server _env =
Logs.info (fun m -> m "POST /management/denominations/$H_DENOM_PUB/revoke/");
let db_conn = Vif.Server.device Devices.db_connection server in
let sm = Vif.Server.device Devices.secmod server in
let res =
let* h_denom_pub = DenominationHash.of_b32 h_denom_pub in
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm h_denom_pub v in
let* () = do_ ~db_conn sm h_denom_pub v in
Ok ""
in
Respond_util.respond_with_res res req
end
module Signkey_revoke = struct
let verify (module Sm : Secmod.S) exchange_pub
SignkeyRevocationSignature.{ master_sig } =
let open Signatures.MasterSigningKeyRevocation in
verify_f ~f:Sm.verify_with_master_key master_sig { exchange_pub }
let do_ ~db_conn (module Sm : Secmod.S) exchange_pub
SignkeyRevocationSignature.{ master_sig } =
let* () = Sm.revoke_signkey exchange_pub master_sig in
let+ () =
Pg.insert_signkey_revocation db_conn exchange_pub master_sig
|> unwrap_err_caqti
in
()
let jsont = SignkeyRevocationSignature.jsont
let f req exchange_pub server _env =
Logs.info (fun m -> m "POST /management/signkeys/$EXCHANGE_PUB/revoke/");
let db_conn = Vif.Server.device Devices.db_connection server in
let sm = Vif.Server.device Devices.secmod server in
let res =
let* exchange_pub = Crypto.EddsaPublicKey.of_b32 exchange_pub in
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm exchange_pub v in
let* () = do_ ~db_conn sm exchange_pub v in
Ok ""
in
Respond_util.respond_with_res res req
end
module Auditors = struct
let verify (module Sm : Secmod.S)
AuditorSetupMessage.
{
auditor_url;
auditor_name= _;
auditor_pub;
master_sig;
validity_start;
} =
let open Signatures.MasterAddAuditor in
verify_f ~f:Sm.verify_with_master_key master_sig
{
start_date= validity_start;
auditor_pub;
h_auditor_url= Hash.Cstring.H64.hash auditor_url;
}
(* TODO timestamps last_change +/- checks *)
(* todo: there is something about use of monotonic time
+ protection against replay attack that I don't understand *)
let do_ ~db_conn v =
let auditor_pub = v.AuditorSetupMessage.auditor_pub in
let validity_start = v.AuditorSetupMessage.validity_start in
let* last_date_opt =
Pg.get_auditor_timestamp db_conn auditor_pub |> unwrap_err_caqti
in
match last_date_opt with
| None ->
let+ () = Pg.insert_auditor db_conn v |> unwrap_err_caqti in
Logs.info (fun m -> m "enabled auditor");
()
| Some last_date ->
if Timestamp.compare last_date validity_start > 0 then
Error
"database has more recent auditor data for this auditor public key"
else
let+ () = Pg.update_auditor db_conn v |> unwrap_err_caqti in
Logs.info (fun m -> m "updated auditor");
()
let jsont = AuditorSetupMessage.jsont
let f req server _env =
Logs.info (fun m -> m "POST /management/auditors/");
let sm = Vif.Server.device Devices.secmod server in
let db_conn = Vif.Server.device Devices.db_connection server in
let res =
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm v in
let* () = do_ ~db_conn v in
Ok ""
in
Respond_util.respond_with_res res req
end
module Auditors_disable = struct
let verify (module Sm : Secmod.S) auditor_pub
AuditorTeardownMessage.{ master_sig; validity_end } =
let open Signatures.MasterDelAuditor in
verify_f ~f:Sm.verify_with_master_key master_sig
{ end_date= validity_end; auditor_pub }
let do_ ~db_conn auditor_pub
AuditorTeardownMessage.{ master_sig= _; validity_end } =
let* last_date_opt =
Pg.get_auditor_timestamp db_conn auditor_pub |> unwrap_err_caqti
in
match last_date_opt with
| None -> Error "auditor not found"
| Some last_date ->
if Timestamp.compare last_date validity_end > 0 then
Error
"database has more recent auditor data for this auditor public key"
else
let+ () =
Pg.disable_auditor db_conn ~auditor_pub ~change_date:validity_end
|> unwrap_err_caqti
in
()
let jsont = AuditorTeardownMessage.jsont
let f req auditor_pub server _env =
Logs.info (fun m -> m "POST /management/auditors/$AUDITOR_PUB/revoke/");
let sm = Vif.Server.device Devices.secmod server in
let db_conn = Vif.Server.device Devices.db_connection server in
let res =
let* auditor_pub = Crypto.EddsaPublicKey.of_b32 auditor_pub in
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm auditor_pub v in
let* () = do_ ~db_conn auditor_pub v in
Ok ""
in
Respond_util.respond_with_res res req
end
module Wire_fee = struct
let verify (module Sm : Secmod.S)
WireFeeSetupMessage.
{
wire_method;
master_sig_wire;
fee_start;
fee_end;
closing_fee;
wire_fee;
} =
let open Signatures.MasterWireFee in
verify_f ~f:Sm.verify_with_master_key master_sig_wire
{
h_wire_method= Hash.Cstring.H64.hash wire_method;
start_date= fee_start;
end_date= fee_end;
wire_fee;
closing_fee;
}
let do_ ~db_conn (v : WireFeeSetupMessage.t) =
let* wire_fees =
Pg.get_wire_fees_by_time db_conn ~wire_method:v.wire_method
~start_date:v.fee_start ~end_date:v.fee_end
|> unwrap_err_caqti
in
match wire_fees with
| [] ->
let+ () = Pg.insert_wire_fee db_conn v |> unwrap_err_caqti in
Logs.info (fun m -> m "added wire fee");
()
| [ vv ] -> (
match v.master_sig_wire = vv.sig_ with
| false ->
Error "a different wire-fee was already setup for this time frame"
| true ->
Logs.info (fun m -> m "an identical wire-fee was already setup");
Ok ())
| _ ->
Error
"invalid database state, multiple wire-fee found in database for \
this time frame"
let jsont = WireFeeSetupMessage.jsont
let f req server _env =
Logs.info (fun m -> m "POST /management/wire-fee/");
let sm = Vif.Server.device Devices.secmod server in
let db_conn = Vif.Server.device Devices.db_connection server in
let res =
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm v in
let* () = do_ ~db_conn v in
Ok ""
in
Respond_util.respond_with_res res req
end
module Global_fees = struct
let verify (module Sm : Secmod.S)
GlobalFees.
{
start_date;
end_date;
history_fee;
account_fee;
purse_fee;
history_expiration;
purse_account_limit;
purse_timeout;
master_sig;
} =
(* TODO KYC
what is kyc_timeout, kyc_fee ? *)
let kyc_timeout = Time.Relative.forever in
let kyc_fee = Amount.dummy_value in
(* * *)
let open Signatures.GlobalFees in
verify_f ~f:Sm.verify_with_master_key master_sig
{
start_date;
end_date;
purse_timeout;
kyc_timeout;
history_expiration;
history_fee;
kyc_fee;
account_fee;
purse_fee;
purse_account_limit;
}
let do_ ~db_conn v =
let* global_fees =
let start_date = v.GlobalFees.start_date in
let end_date = v.GlobalFees.end_date in
Pg.get_global_fees_by_time db_conn ~start_date ~end_date
|> unwrap_err_caqti
in
match global_fees with
| [] ->
let+ () = Pg.insert_global_fees db_conn v |> unwrap_err_caqti in
Logs.info (fun m -> m "added global fees");
()
| [ vv ] -> (
match v.master_sig = vv.master_sig with
| false ->
Error
"a different global-fees was already setup for this time frame"
| true ->
Logs.info (fun m -> m "an identical global-fees was already setup");
Ok ())
| _ ->
Error
"invalid database state, multiple global-fees found in database for \
this time frame"
let jsont = GlobalFees.jsont
(* TODO global_fees
ensure it is defined for the current time.
there should be only one global_fees for each moment in time
and once set for a timeframe, it should not change. *)
let f req server _env =
Logs.info (fun m -> m "POST /management/global-fees/");
let sm = Vif.Server.device Devices.secmod server in
let db_conn = Vif.Server.device Devices.db_connection server in
let res =
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm v in
let* () = do_ ~db_conn v in
Ok ""
in
Respond_util.respond_with_res res req
end
module Wire = struct
let verify (module Sm : Secmod.S)
WireSetupMessage.
{
payto_uri;
master_sig_wire;
master_sig_add;
validity_start;
bank_label= _;
priority= _;
} =
(* TODO wire *)
let conversion_url = "" in
let credit_restrictions = "" in
let debit_restrictions = "" in
let* () =
let open Signatures.MasterWireDetails in
verify_f ~f:Sm.verify_with_master_key master_sig_wire
{
h_wire_details= FullPaytoHash.hash payto_uri;
h_conversion_url= Hash.Cstring.H64.hash conversion_url;
h_credit_restrictions= Hash.Cstring.H64.hash credit_restrictions;
h_debit_restrictions= Hash.Cstring.H64.hash debit_restrictions;
}
in
let* () =
let open Signatures.MasterAddWire in
verify_f ~f:Sm.verify_with_master_key master_sig_add
{
start_date= validity_start;
h_wire= FullPaytoHash.hash payto_uri;
h_conversion_url= Hash.Cstring.H64.hash conversion_url;
h_credit_restrictions= Hash.Cstring.H64.hash credit_restrictions;
h_debit_restrictions= Hash.Cstring.H64.hash debit_restrictions;
}
in
Ok ()
let do_ ~db_conn v =
let* last_change_opt =
let payto_uri = v.WireSetupMessage.payto_uri in
Pg.get_wire_timestamp db_conn ~payto_uri |> unwrap_err_caqti
in
match last_change_opt with
| Some _ -> Error "wire already setup"
| None ->
(* TODO wire *)
let last_change = Timestamp.of_ptime (Ptime_clock.now ()) in
let v =
ExchangeWireAccount.
{
payto_uri= v.payto_uri;
conversion_url= None;
debit_restrictions= [];
credit_restrictions= [];
master_sig= v.master_sig_wire;
bank_label= v.bank_label;
priority= v.priority;
}
in
let+ () = Pg.insert_wire db_conn ~last_change v |> unwrap_err_caqti in
()
let jsont = WireSetupMessage.jsont
let f req server _env =
Logs.info (fun m -> m "POST /management/wire/");
let sm = Vif.Server.device Devices.secmod server in
let db_conn = Vif.Server.device Devices.db_connection server in
let res =
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm v in
let* () = do_ ~db_conn v in
Ok ""
in
Respond_util.respond_with_res res req
end
module Wire_disable = struct
let verify (module Sm : Secmod.S)
WireTeardownMessage.{ payto_uri; master_sig_del; validity_end } =
let open Signatures.MasterDelWire in
verify_f ~f:Sm.verify_with_master_key master_sig_del
{ end_date= validity_end; h_wire= FullPaytoHash.hash payto_uri }
let do_ ~db_conn
WireTeardownMessage.{ payto_uri; master_sig_del= _; validity_end } =
let* last_change_opt =
Pg.get_wire_timestamp db_conn ~payto_uri |> unwrap_err_caqti
in
match last_change_opt with
| None -> Error "wire not found"
| Some _ ->
let+ () =
Pg.disable_wire db_conn ~payto_uri ~validity_end |> unwrap_err_caqti
in
()
let jsont = WireTeardownMessage.jsont
let f req server _env =
Logs.info (fun m -> m "POST /management/wire/disable/");
let sm = Vif.Server.device Devices.secmod server in
let db_conn = Vif.Server.device Devices.db_connection server in
let res =
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm v in
let* () = do_ ~db_conn v in
Ok ""
in
Respond_util.respond_with_res res req
end
module Drain = struct
let verify (module Sm : Secmod.S)
DrainProfitsMessage.
{
debit_account_section;
credit_payto_uri;
wtid;
master_sig;
date;
amount;
} =
let open Signatures.MasterDrainProfit in
verify_f ~f:Sm.verify_with_master_key master_sig
{
wtid;
date;
amount;
h_section= Hash.Cstring.H64.hash debit_account_section;
h_payto= FullPaytoHash.hash credit_payto_uri;
}
let do_ ~db_conn v =
let+ () = Pg.insert_drain_profit db_conn v |> unwrap_err_caqti in
()
let jsont = DrainProfitsMessage.jsont
let f req server _env =
Logs.info (fun m -> m "POST /management/drain/");
let sm = Vif.Server.device Devices.secmod server in
let db_conn = Vif.Server.device Devices.db_connection server in
let res =
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm v in
let* () = do_ ~db_conn v in
Ok ""
in
Respond_util.respond_with_res res req
end
module AmlOfficer = struct
let verify (module Sm : Secmod.S)
AmlOfficerSetup.
{
officer_pub;
officer_name;
is_active;
read_only= _;
master_sig;
change_date;
} =
let open Signatures.MasterAmlOfficerStatus in
let is_active = match is_active with true -> 1_l | false -> 0_l in
verify_f ~f:Sm.verify_with_master_key master_sig
{
change_date;
officer_pub;
h_officer_name= Hash.Cstring.H64.hash officer_name;
is_active;
}
let do_ ~db_conn v =
let+ _last_change = Pg.insert_aml_officer db_conn v |> unwrap_err_caqti in
()
let jsont = AmlOfficerSetup.jsont
let f req server _env =
Logs.info (fun m -> m "POST /management/aml-officers/");
let sm = Vif.Server.device Devices.secmod server in
let db_conn = Vif.Server.device Devices.db_connection server in
let res =
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm v in
let* () = do_ ~db_conn v in
Ok ""
in
Respond_util.respond_with_res res req
end
module Partners = struct
let verify (module Sm : Secmod.S)
ExchangePartnerSetupRequest.
{
partner_base_url;
partner_pub;
wad_frequency;
master_sig;
start_date;
end_date;
wad_fee;
} =
let open Signatures.PartnerConfiguration in
verify_f ~f:Sm.verify_with_master_key master_sig
{
partner_pub;
start_date;
end_date;
wad_frequency;
wad_fee;
h_url= Hash.Cstring.H64.hash partner_base_url;
}
let do_ ~db_conn v =
let+ () = Pg.insert_partner db_conn v |> unwrap_err_caqti in
()
let jsont = ExchangePartnerSetupRequest.jsont
let f req server _env =
Logs.info (fun m -> m "POST /management/partners/");
let sm = Vif.Server.device Devices.secmod server in
let db_conn = Vif.Server.device Devices.db_connection server in
let res =
let* v = Vif.Request.of_json req |> unwrap_err_msg in
let* () = verify sm v in
let* () = do_ ~db_conn v in
Ok ""
in
Respond_util.respond_with_res res req
end

77
.jjconflict-side-1/src/mte.ml
View file

@ -1,77 +0,0 @@
(* MTE - the MirageOS Taler Exchange
Copyright (C) 2025 Olivier Pierre <swrup@protonmail.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, version 3.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. *)
let hello req _server _env =
let open Vif.Response in
let open Syntax in
let* () = with_string req "Hello~~\n" in
let* () = add ~field:"content-type" "text/plain" in
respond `OK
let routes =
let open Vif.Uri in
let open Vif.Route in
let get_ path = get (path /?? any) in
let post path jsont = post (Vif.Type.json_encoding jsont) (path /?? any) in
let tos =
let v s = rel / s in
[
get_ rel --> hello;
get_ (v "terms") --> Static.terms;
get_ (v "privacy") --> Static.privacy;
]
in
let status_info = [ get_ (rel / "keys") --> Http_keys.f ] in
let management =
let open Http_management in
let v s = rel / "management" / s in
[
get_ (v "keys") --> Keys_get.f;
post (v "keys") Keys_post.jsont --> Keys_post.f;
post (v "denominations" /% string `Path / "revoke") Denom_revoke.jsont
--> Denom_revoke.f;
post (v "signkeys" /% string `Path / "revoke") Signkey_revoke.jsont
--> Signkey_revoke.f;
post (v "auditors") Auditors.jsont --> Auditors.f;
post (v "auditors" /% string `Path / "disable") Auditors_disable.jsont
--> Auditors_disable.f;
post (v "wire-fee") Wire_fee.jsont --> Wire_fee.f;
post (v "global-fees") Global_fees.jsont --> Global_fees.f;
post (v "wire") Wire.jsont --> Wire.f;
post (v "wire" / "disable") Wire_disable.jsont --> Wire_disable.f;
post (v "drain") Drain.jsont --> Drain.f;
post (v "aml-officers") AmlOfficer.jsont --> AmlOfficer.f;
post (v "partners") Partners.jsont --> Partners.f;
]
in
tos @ status_info @ management
let () =
Util.Log_reporter.setup ();
let cfg =
let port = Config.Exchange.port in
let sockaddr = Unix.(ADDR_INET (inet_addr_loopback, port)) in
Vif.config ~reporter:Util.Log_reporter.reporter sockaddr
in
Miou_unix.run @@ fun () ->
Caqti_miou.Switch.run @@ fun caqti_switch ->
let env : Devices.env =
{ caqti_switch; db_uri= Config.Exchangedb_postgres.config }
in
let devices = Vif.Devices.[ Devices.db_connection; Devices.secmod ] in
let middlewares = Vif.Middlewares.[] in
Logs.info (fun m ->
m ~tags:(Util.Log_reporter.detail "...") "Starting MTE server");
Vif.run ~cfg ~devices ~middlewares routes env

262
.jjconflict-side-1/src/parse_config.ml
View file

@ -1,262 +0,0 @@
(* parse config file
https://docs.taler.net/manpages/taler-exchange.conf.5.html
do not support "$"-path expansion*)
open Angstrom
type item = {
key: string;
value: string;
}
type section = {
header: string;
items: item list;
}
let fail fmt =
let k _ppf = exit 1 in
Fmt.kpf k Fmt.stderr ("Configuration failure: " ^^ fmt ^^ ".@.")
let is_eol = function '\n' | '\r' -> true | _ -> false
let is_whitespace = function ' ' | '\t' -> true | _ -> false
let whitespace = skip_while is_whitespace
module Parse_data = struct
type line =
| Blank
| Comment of string
| Header of string
| Item of item
let id =
let ident_char = function
| 'a' .. 'z' | 'A' .. 'Z' | '0' .. '9' | '_' | '-' -> true
| _ -> false
in
take_while1 ident_char >>| String.lowercase_ascii
let take_till_end_of_line =
take_till is_eol >>= fun s -> return s <* end_of_line
let blank = whitespace <* end_of_line >>| fun () -> Blank
let comment =
whitespace *> (char '#' <|> char '%') *> take_till_end_of_line >>| fun s ->
Comment s
let header = char '[' *> id <* char ']' <* end_of_line >>| fun s -> Header s
let item_value =
let unquoted_value =
take_while1 (fun c -> not (is_whitespace c || is_eol c))
in
let quoted_value =
char '"' *> take_till is_eol >>= fun s ->
match String.ends_with ~suffix:"\"" s with
| false -> fail "invalid quoted value"
| true ->
let value = String.sub s 0 (String.length s - 1) in
return value
in
quoted_value <|> unquoted_value
let item =
lift2
(fun key value -> Item { key; value })
id
(whitespace *> char '=' *> whitespace *> item_value)
<* end_of_line
let config = many (choice [ blank; comment; header; item ]) <* end_of_input
let fold_sections l =
let rec loop section_l item_l l =
match l with
| [] ->
if List.is_empty item_l then section_l
else fail "invalid configuration structure"
| Blank :: tl | Comment _ :: tl -> loop section_l item_l tl
| Item item :: tl -> loop section_l (item :: item_l) tl
| Header header :: tl ->
let section = { header; items= item_l } in
loop (section :: section_l) [] tl
in
loop [] [] (List.rev l)
let parse s =
match parse_string ~consume:All config s with
| Error msg -> fail "parse error `%s`" msg
| Ok v -> fold_sections v
end
module Pp_debug = struct
let pp_item ppf { key; value } =
let open Fmt in
match String.contains value '"' || String.contains value ' ' with
| false -> pf ppf "%s = %s" key value
| true -> pf ppf "%s = \"%s\"" key value
let pp_line ppf line =
let open Fmt in
let open Parse_data in
match line with
| Blank -> Fmt.nop ppf ()
| Comment s -> pf ppf "#%s" s
| Header s -> pf ppf "[%s]" s
| Item item -> pf ppf "%a" pp_item item
let _pp_lines ppf raw_line_l =
let open Fmt in
pf ppf "%a" (list ~sep:(any "\n") pp_line) raw_line_l
let pp_section ppf { header; items } =
let open Fmt in
pf ppf "[%s]@\n%a" header (list ~sep:(any "\n") pp_item) items
let pp_config ppf l =
let open Fmt in
pf ppf "%a" (list ~sep:(any "\n") pp_section) l
end
[@@ocaml.warning "-32"]
module Parse_duration = struct
type duration_element = {
number: int;
dunit: [ `Year | `Week | `Day | `Hour | `Minute | `Second ];
}
let integer =
take_while1 (function '0' .. '9' -> true | _ -> false) >>= fun s ->
match int_of_string_opt s with
| None -> fail "expected integer, got `%s`" s
| Some i -> return i
let duration_element =
let number = whitespace *> integer in
let dunit =
whitespace *> take_while1 (fun c -> not (is_whitespace c || is_eol c))
>>= function
| "year" | "years" -> return `Year
| "week" | "weeks" -> return `Week
| "day" | "days" -> return `Day
| "hour" | "hours" -> return `Hour
| "minute" | "minutes" -> return `Minute
| "second" | "seconds" | "s" -> return `Second
| s -> fail "expected a duration unit, got `%s`" s
in
lift2 (fun number dunit -> { number; dunit }) number dunit
let duration = many1 duration_element <* end_of_input
(* TODO put this in Time.Relative *)
let dunit_to_seconds u =
let rec f = function
| `Year -> 365 * f `Day
| `Week -> 7 * f `Day
| `Day -> 24 * f `Hour
| `Hour -> 60 * f `Minute
| `Minute -> 60 * f `Second
| `Second -> 1
in
f u
let ptime_span_of_int64 i =
match Ptime.Span.of_float_s (Int64.to_float i) with
| None ->
fail "ptime_span_of_int64 error: `%Ld` is not a valid ptime span" i
| Some ts -> ts
let to_time_span t =
let acc =
List.fold_left
(fun acc { number; dunit } -> acc + (number * dunit_to_seconds dunit))
0 t
in
let acc = Int64.of_int acc in
Time.Relative.of_s acc
let parse s : duration_element list =
match parse_string ~consume:All duration s with
| Error msg -> fail "duration parse error `%s`" msg
| Ok v -> v
end
let unwrap_res = function Error e -> fail "`%s`." e | Ok v -> v
let get_opt t ~section ~field =
match List.find_opt (fun v -> v.header = section) t with
| None -> None
| Some v -> (
match List.find_opt (fun item -> item.key = field) v.items with
| None -> None
| Some item -> Some item.value)
let get t ~section ~field =
match get_opt t ~section ~field with
| None -> fail "option `[%s].%s` not found" section field
| Some v -> v
let int s =
match int_of_string_opt s with
| None -> fail "expected int value, got `%s`" s
| Some v -> v
let float s =
match float_of_string_opt s with
| None -> fail "expected float value, got `%s`" s
| Some v -> v
let const_value a b =
match a = b with false -> fail "unexpected value `%s`" b | true -> a
let yes_no = function
| "NO" -> `NO
| "YES" -> `YES
| s -> fail "expected `YES`/`NO` value, got `%s`" s
let uri s = Uri.of_string s
let amount s = s |> Amount.of_string |> unwrap_res
let duration s = Parse_duration.(s |> parse |> to_time_span)
let ed25519 s =
s
|> B32.decode
|> unwrap_res
|> Mirage_crypto_ec.Ed25519.pub_of_octets
|> Result.map_error (fun e -> Fmt.str "%a" Mirage_crypto_ec.pp_error e)
|> unwrap_res
(* TODO
move to another module
can we type the json as a Int_map directly? *)
module Alt_unit_names = struct
open Syntax
module String_map = Map.Make (String)
let string_map_jsont = Jsont.Object.as_string_map Jsont.string
let decode s =
let* string_map = Jsont_bytesrw.decode_string string_map_jsont s in
let l = String_map.to_list string_map in
let* l =
list_map
(fun (k, v) ->
match int_of_string_opt k with
| None -> Error "alt_unit_names has a non-integer key"
| Some k -> Ok (k, v))
l
in
match List.find_opt (fun (i, _) -> i = 0) l with
| None -> Error "alt_unit_names with no entry for base value \"0\""
| Some _ -> Ok l
let encode l =
let l = List.map (fun (k, v) -> (string_of_int k, v)) l in
let string_map = String_map.of_list l in
let+ s = Jsont_bytesrw.encode_string string_map_jsont string_map in
s
let encode_exn l = encode l |> Result.get_ok
end

374
.jjconflict-side-1/src/pg.ml
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@ -1,374 +0,0 @@
(* TODO
check there is no issues with signed/unsigned integers
how to fix postgres/caqti tuple type?
try something with OID?
need to add boilerplate in each query for amounts
GNU Taler db-events?
it seems caqti/pgx does not support it
transaction
should check validity of signatures got from db, for /management at least
clean up caqti error type *)
(* TODO time
fix comparison with timestamp footgun *)
module type CONN = Caqti_miou.CONNECTION
module Caqti_type = struct
include Caqti_type
include Pg_type
include Caqti_request.Infix
end
open Crypto
open Api
let preflight =
let l =
List.map
Caqti_type.(unit ->. unit)
[
"SET SESSION CHARACTERISTICS AS TRANSACTION ISOLATION LEVEL \
SERIALIZABLE;";
"SET enable_sort=OFF;";
"SET enable_seqscan=OFF;";
"SET enable_mergejoin=OFF;";
"SET search_path TO exchange;";
]
in
fun (module Conn : CONN) -> Syntax.list_iter (fun p -> Conn.exec p ()) l
let find_signkey =
let find_signkey =
Caqti_type.(eddsa_pub ->? signkey_data)
"SELECT esk.exchange_pub, esk.valid_from, esk.expire_sign, \
esk.expire_legal, esk.master_sig, skr.master_sig FROM \
exchange_sign_keys AS esk LEFT JOIN signkey_revocations AS skr ON \
esk.esk_serial = skr.esk_serial WHERE esk.exchange_pub=$1"
in
fun (module Conn : CONN) (exchange_pub : EddsaPublicKey.t) ->
Conn.find_opt find_signkey exchange_pub
let get_active_signkeys =
let get_active_signkeys =
Caqti_type.(time ->* signkey_data)
"SELECT esk.exchange_pub, esk.valid_from, esk.expire_sign, \
esk.expire_legal, esk.master_sig, NULL FROM exchange_sign_keys esk \
WHERE expire_sign > $1 AND NOT EXISTS (SELECT esk_serial FROM \
signkey_revocations AS skr WHERE esk.esk_serial = skr.esk_serial)"
in
fun (module Conn : CONN) ~now -> Conn.collect_list get_active_signkeys now
(* note: does not update revocation *)
let insert_signkey =
let insert_signkey =
Caqti_type.(signkey_data ->. unit)
"INSERT INTO exchange_sign_keys (exchange_pub, valid_from, expire_sign, \
expire_legal, master_sig) VALUES ($1, $2, $3, $4, $5)"
in
fun (module Conn : CONN) v -> Conn.exec insert_signkey v
let find_denom =
let find_denom =
Caqti_type.(denomination_hash ->? denom_data)
"SELECT dn.denom_pub, (dn.coin).*, dn.valid_from, dn.expire_withdraw, \
dn.expire_deposit, dn.expire_legal, (dn.fee_withdraw).*, \
(dn.fee_deposit).*, (dn.fee_refresh).*, (dn.fee_refund).*, dn.age_mask, \
dn.denom_pub_hash, dn.master_sig, dnr.master_sig FROM denominations AS \
dn LEFT JOIN denomination_revocations AS dnr ON dn.denominations_serial \
= dnr.denominations_serial WHERE dn.denom_pub_hash=$1"
in
fun (module Conn : CONN) h_denom_pub -> Conn.find_opt find_denom h_denom_pub
let get_denominations =
let get_denominations =
Caqti_type.(unit ->* denom_data)
"SELECT dn.denom_pub, (dn.coin).*, dn.valid_from, dn.expire_withdraw, \
dn.expire_deposit, dn.expire_legal, (dn.fee_withdraw).*, \
(dn.fee_deposit).*, (dn.fee_refresh).*, (dn.fee_refund).*, dn.age_mask, \
dn.denom_pub_hash, dn.master_sig, dnr.master_sig FROM denominations AS \
dn LEFT JOIN denomination_revocations AS dnr ON dn.denominations_serial \
= dnr.denominations_serial"
in
fun (module Conn : CONN) -> Conn.collect_list get_denominations ()
(* note: does not update revocation *)
let insert_denom =
let insert_denom =
Caqti_type.(denom_data ->. unit)
"INSERT INTO denominations (denom_pub, coin, valid_from, \
expire_withdraw, expire_deposit, expire_legal, fee_withdraw, \
fee_deposit, fee_refresh, fee_refund, age_mask, denom_pub_hash, \
master_sig) VALUES ($1, ($2, $3), $4, $5, $6, $7, ($8,$9), ($10,$11), \
($12,$13), ($14,$15), $16, $17, $18)"
in
fun (module Conn : CONN) v -> Conn.exec insert_denom v
let insert_denomination_revocation =
let denomination_revocation_insert =
let master_sig = Signatures.MasterDenominationKeyRevocation.caqti in
Caqti_type.(t2 denomination_hash master_sig ->. unit)
"INSERT INTO denomination_revocations (denominations_serial, master_sig) \
SELECT denominations_serial, $2 FROM denominations WHERE \
denom_pub_hash=$1"
in
fun (module Conn : CONN) h_denom_pub master_sig ->
Conn.exec denomination_revocation_insert (h_denom_pub, master_sig)
let insert_signkey_revocation =
let signkey_revocation_insert =
let master_sig = Signatures.MasterSigningKeyRevocation.caqti in
Caqti_type.(t2 eddsa_pub master_sig ->. unit)
"INSERT INTO signkey_revocations (esk_serial, master_sig) SELECT \
esk_serial, $2 FROM exchange_sign_keys WHERE exchange_pub=$1"
in
fun (module Conn : CONN) exchange_pub master_sig ->
Conn.exec signkey_revocation_insert (exchange_pub, master_sig)
let get_auditor_timestamp =
let get_auditor_timestamp =
Caqti_type.(eddsa_pub ->? time)
"SELECT last_change FROM auditors WHERE auditor_pub=$1"
in
fun (module Conn : CONN) auditor_pub ->
Conn.find_opt get_auditor_timestamp auditor_pub
let insert_auditor =
let insert_auditor =
Caqti_type.(t4 eddsa_pub string string time ->. unit)
"INSERT INTO auditors (auditor_pub, auditor_name, auditor_url, \
is_active, last_change) VALUES ($1, $2, $3, true, $4)"
in
fun (module Conn : CONN)
AuditorSetupMessage.
{ auditor_url; auditor_name; auditor_pub; master_sig= _; validity_start }
->
Conn.exec insert_auditor
(auditor_pub, auditor_name, auditor_url, validity_start)
let update_auditor =
let update_auditor =
Caqti_type.(t5 eddsa_pub string string bool time ->. unit)
"UPDATE auditors SET auditor_url=$2, auditor_name=$3, is_active=$4, \
last_change=$5 WHERE auditor_pub=$1"
in
fun (module Conn : CONN)
AuditorSetupMessage.
{ auditor_url; auditor_name; auditor_pub; master_sig= _; validity_start }
->
Conn.exec update_auditor
(auditor_pub, auditor_url, auditor_name, true, validity_start)
let disable_auditor =
let update_auditor =
Caqti_type.(t5 eddsa_pub string string bool time ->. unit)
"UPDATE auditors SET auditor_url=$2, auditor_name=$3, is_active=$4, \
last_change=$5 WHERE auditor_pub=$1"
in
fun (module Conn : CONN) ~auditor_pub ~change_date ->
Conn.exec update_auditor (auditor_pub, "", "", false, change_date)
let insert_auditor_denom_sig =
let insert_auditor_denom_sig =
let auditor_sig = Signatures.ExchangeKeyValidity.caqti in
Caqti_type.(t3 eddsa_pub denomination_hash auditor_sig ->. unit)
"WITH ax AS (SELECT auditor_uuid FROM auditors WHERE auditor_pub=$1) \
INSERT INTO auditor_denom_sigs (auditor_uuid, denominations_serial, \
auditor_sig) SELECT ax.auditor_uuid, denominations_serial, $3 FROM \
denominations CROSS JOIN ax WHERE denom_pub_hash=$2 ON CONFLICT DO \
NOTHING"
in
fun (module Conn : CONN) ~auditor_pub ~h_denom_pub ~auditor_sig ->
Conn.exec insert_auditor_denom_sig (auditor_pub, h_denom_pub, auditor_sig)
(* todo auditors
maybe check that url and name are unique/same for each auditor_pub
and do the ht logic out of pg.ml? *)
(* this does not return auditors that are not auditing any denom *)
let get_auditor_keys =
let get_auditor_keys =
let auditor_sig = Signatures.ExchangeKeyValidity.caqti in
Caqti_type.(
unit ->* t5 eddsa_pub string string denomination_hash auditor_sig)
"SELECT a.auditor_pub, a.auditor_url, a.auditor_name, dn.denom_pub_hash, \
ads.auditor_sig FROM auditor_denom_sigs AS ads JOIN auditors AS a USING \
(auditor_uuid) JOIN denominations AS dn USING (denominations_serial) \
WHERE a.is_active"
in
fun (module Conn : CONN) ->
let open Syntax in
let* l = Conn.collect_list get_auditor_keys () |> unwrap_err_caqti in
let ht = Hashtbl.create 0xff in
List.iter
(fun (pub, url, name, denom_pub_h, auditor_sig) ->
let k = (pub, url, name) in
match Hashtbl.find_opt ht k with
| None -> Hashtbl.replace ht k [ (denom_pub_h, auditor_sig) ]
| Some l -> Hashtbl.replace ht k ((denom_pub_h, auditor_sig) :: l))
l;
let l = Hashtbl.to_seq ht |> List.of_seq in
let l =
List.map
(fun ((auditor_pub, auditor_url, auditor_name), auditor_denoms) ->
let denomination_keys =
List.map
(fun (denom_pub_h, auditor_sig) ->
AuditorDenominationKey.{ denom_pub_h; auditor_sig })
auditor_denoms
in
AuditorKeys.
{ auditor_pub; auditor_url; auditor_name; denomination_keys })
l
in
Ok l
let insert_wire_fee =
let insert_wire_fee =
let master_sig = Signatures.MasterWireFee.caqti in
Caqti_type.(t6 wire_method time time amount amount master_sig ->. unit)
"INSERT INTO wire_fee (wire_method, start_date, end_date, wire_fee, \
closing_fee, master_sig) VALUES ($1, $2, $3, ($4,$5), ($6,$7), $8)"
in
fun (module Conn : CONN)
WireFeeSetupMessage.
{
wire_method;
master_sig_wire;
fee_start;
fee_end;
closing_fee;
wire_fee;
}
->
Conn.exec insert_wire_fee
(wire_method, fee_start, fee_end, wire_fee, closing_fee, master_sig_wire)
let get_wire_fees_by_time =
let get_wire_fee_by_time =
Caqti_type.(t3 wire_method time time ->* aggregate_transfer_fee)
"SELECT (wire_fee).*, (closing_fee).*, start_date, end_date, master_sig \
FROM wire_fee WHERE wire_method=$1 AND end_date > $2 AND start_date < \
$3"
in
fun (module Conn : CONN) ~wire_method ~start_date ~end_date ->
Conn.collect_list get_wire_fee_by_time (wire_method, start_date, end_date)
let get_wire_fees =
let get_wire_fees =
Caqti_type.(string ->* aggregate_transfer_fee)
"SELECT (wire_fee).*, (closing_fee).*, start_date, end_date, master_sig \
FROM wire_fee WHERE wire_method=$1"
in
fun (module Conn : CONN) ~wire_method ->
Conn.collect_list get_wire_fees wire_method
let get_global_fees =
let get_global_fees =
Caqti_type.(time ->* global_fee)
"SELECT start_date, end_date, (history_fee).*, (account_fee).*, \
(purse_fee).*, history_expiration, purse_account_limit, purse_timeout, \
master_sig FROM global_fee WHERE start_date >= $1"
in
fun (module Conn : CONN) ~start_date ->
Conn.collect_list get_global_fees start_date
let get_global_fees_by_time =
let get_global_fees_by_time =
Caqti_type.(t2 time time ->* global_fee)
"SELECT start_date, end_date, (history_fee).*, (account_fee).*, \
(purse_fee).*, history_expiration, purse_account_limit, purse_timeout, \
master_sig FROM global_fee WHERE start_date >= $1 AND end_date <= $2"
in
fun (module Conn : CONN) ~start_date ~end_date ->
Conn.collect_list get_global_fees_by_time (start_date, end_date)
let insert_global_fees =
let insert_global_fees =
Caqti_type.(global_fee ->. unit)
"INSERT INTO global_fee (start_date, end_date, history_fee, account_fee, \
purse_fee, history_expiration, purse_account_limit, purse_timeout, \
master_sig) VALUES ($1, $2, ($3,$4), ($5,$6), ($7,$8), $9, $10, $11, \
$12)"
in
fun (module Conn : CONN) v -> Conn.exec insert_global_fees v
let get_wire_timestamp =
let get_wire_timestamp =
Caqti_type.(payto_uri ->? time)
"SELECT last_change FROM wire_accounts WHERE payto_uri=$1"
in
fun (module Conn : CONN) ~payto_uri ->
Conn.find_opt get_wire_timestamp payto_uri
let insert_wire =
let insert_wire =
Caqti_type.(t3 exchange_wire_account bool time ->. unit)
"INSERT INTO wire_accounts (payto_uri, conversion_url, \
credit_restrictions, debit_restrictions, master_sig, bank_label, \
priority, is_active, last_change) VALUES \
($1,$2,$3::TEXT::JSONB,$4::TEXT::JSONB,$5,$6,$7,true,$8)"
in
fun (module Conn : CONN) ~last_change v ->
let is_active = true in
Conn.exec insert_wire (v, is_active, last_change)
let update_wire =
let update_wire =
Caqti_type.(t3 exchange_wire_account bool time ->. unit)
"UPDATE wire_accounts SET conversion_url=$2, \
debit_restrictions=$3::TEXT::JSONB, \
credit_restrictions=$4::TEXT::JSONB, master_sig=$5, bank_label=$6, \
priority=$7, is_active=$8, last_change=$9 WHERE payto_uri=$1"
in
fun (module Conn : CONN) ~is_active ~last_change v ->
Conn.exec update_wire (v, is_active, last_change)
let disable_wire =
let disable_wire =
(* TODO check syntax on this *)
Caqti_type.(t2 payto_uri time ->. unit)
"UPDATE wire_accounts SET conversion_url=NULL, debit_restrictions=NULL, \
credit_restrictions=NULL, master_sig=NULL, bank_label=NULL, \
priority=NULL, is_active=FALSE, last_change=$2 WHERE payto_uri=$1"
in
fun (module Conn : CONN) ~payto_uri ~validity_end ->
Conn.exec disable_wire (payto_uri, validity_end)
let get_wire_accounts =
let get_wire_accounts =
Caqti_type.(unit ->* exchange_wire_account)
"SELECT payto_uri, conversion_url, debit_restrictions::TEXT, \
credit_restrictions::TEXT, master_sig, bank_label, priority FROM \
wire_accounts WHERE is_active"
in
fun (module Conn : CONN) -> Conn.collect_list get_wire_accounts ()
let insert_drain_profit =
let insert_drain_profit =
Caqti_type.(drain_profit_message ->. unit)
"INSERT INTO profit_drains (wtid, account_section, payto_uri, \
trigger_date, amount, master_sig) VALUES ($1, $2, $3, $4, ($5,$6), $7)"
in
fun (module Conn : CONN) v -> Conn.exec insert_drain_profit v
let insert_aml_officer =
let exchange_do_insert_aml_officer =
Caqti_type.(aml_officer_setup ->! time)
"SELECT out_last_change FROM exchange_do_insert_aml_officer ($1, $2, $3, \
$4, $5, $6)"
in
fun (module Conn : CONN) v -> Conn.find exchange_do_insert_aml_officer v
let insert_partner =
let insert_partner =
Caqti_type.(exchange_partner_setup ->. unit)
"INSERT INTO partners (partner_master_pub, start_date, end_date, \
wad_frequency, wad_fee, master_sig, partner_base_url) VALUES ($1, $2, \
$3, $4, ($5,$6), $7, $8) ON CONFLICT DO NOTHING"
in
fun (module Conn : CONN) v -> Conn.exec insert_partner v

377
.jjconflict-side-1/src/pg_type.ml
View file

@ -1,377 +0,0 @@
(* this module defines caqti encoding/decodings *)
open Caqti_type
open Crypto
open Api
(* TODO
check that we use Caqti_type.octets for binary data *)
let amount : Amount.t t =
let open Amount in
custom
~encode:(fun amount -> Ok (amount.value, amount.fraction))
~decode:(fun (value, fraction) ->
Amount.make ~sign:None ~currency:Config.currency ~value ~fraction)
(t2 int64 int32)
(* we want to use int64 timestamps,
not postgresql built-in timestamp type *)
let ptime : unit t = Caqti_type.unit
let time = Timestamp.caqti
let time_span = Time.Relative.caqti
let age_mask : int t = Caqti_type.int
let rsa_pub = RsaPublicKey.caqti
let eddsa_pub = EddsaPublicKey.caqti
let eddsa_sig = EddsaSignature.caqti
(* todo: enum type for wire_method? *)
let wire_method = Caqti_type.string
let payto_uri = Caqti_type.string
let b32 = B32.caqti
include struct
(* alias for hash *)
open Hash
let fullpayto_hash = FullPaytoHash.caqti
let nomalizaedpayto_hash = NormalizedPaytoHash.caqti
let denomination_hash = DenominationHash.caqti
let privatecontract_hash = PrivateContractHash.caqti
let extensionspolicy_hash = ExtensionsPolicyHash.caqti
let merchantwire_hash = MerchantWireHash.caqti
let agecommitment_hash = AgeCommitmentHash.caqti
let blindedcoin_hash = BlindedCoinHash.caqti
let coinpub_hash = CoinPubHash.caqti
let outputcommitment_hash = OutputCommitmentHash.caqti
let planchets_hash = HashPlanchetsP.caqti
end
let signkey_data =
let master_sig = Signatures.ExchangeSigningKeyValidity.caqti in
let revoked_sig = option Signatures.MasterSigningKeyRevocation.caqti in
custom
~encode:(fun
Signkey_data.
{ pub; stamp_start; stamp_expire; stamp_end; master_sig; revoked_sig }
->
match master_sig with
| None -> Error "signkey_data master_sig is none"
| Some master_sig ->
Ok (pub, stamp_start, stamp_expire, stamp_end, master_sig, revoked_sig))
~decode:(fun
(pub, stamp_start, stamp_expire, stamp_end, master_sig, revoked_sig) ->
Ok
{
pub;
stamp_start;
stamp_expire;
stamp_end;
master_sig= Some master_sig;
revoked_sig;
})
(t6 eddsa_pub time time time master_sig revoked_sig)
let denom_data =
let master_sig = Signatures.DenominationKeyValidity.caqti in
let revoked_sig = option Signatures.MasterDenominationKeyRevocation.caqti in
custom
~encode:(fun
Denom_data.
{
pub;
value;
stamp_start;
stamp_expire_withdraw;
stamp_expire_deposit;
stamp_expire_legal;
fee_withdraw;
fee_deposit;
fee_refresh;
fee_refund;
age_mask;
h_pub;
master_sig;
revoked_sig;
}
->
match master_sig with
| None -> Error "denom_data master_sig is none"
| Some master_sig ->
Ok
( pub,
value,
stamp_start,
stamp_expire_withdraw,
stamp_expire_deposit,
stamp_expire_legal,
fee_withdraw,
fee_deposit,
fee_refresh,
fee_refund,
age_mask,
(h_pub, master_sig, revoked_sig) ))
~decode:(fun
( pub,
value,
stamp_start,
stamp_expire_withdraw,
stamp_expire_deposit,
stamp_expire_legal,
fee_withdraw,
fee_deposit,
fee_refresh,
fee_refund,
age_mask,
(h_pub, master_sig, revoked_sig) )
->
Ok
{
pub;
value;
stamp_start;
stamp_expire_withdraw;
stamp_expire_deposit;
stamp_expire_legal;
fee_withdraw;
fee_deposit;
fee_refresh;
fee_refund;
age_mask;
h_pub;
master_sig= Some master_sig;
revoked_sig;
})
(t12 rsa_pub amount time time time time amount amount amount amount int
(t3 denomination_hash master_sig revoked_sig))
let account_restrictions =
custom
~encode:(fun l -> Api.encode (Jsont.list AccountRestriction.jsont) l)
~decode:(fun s -> Api.decode (Jsont.list AccountRestriction.jsont) s)
string
let global_fee =
let master_sig = Signatures.GlobalFees.caqti in
custom
~encode:(fun
GlobalFees.
{
start_date;
end_date;
history_fee;
account_fee;
purse_fee;
history_expiration;
purse_account_limit;
purse_timeout;
master_sig;
}
->
Ok
( start_date,
end_date,
history_fee,
account_fee,
purse_fee,
history_expiration,
purse_account_limit,
purse_timeout,
master_sig ))
~decode:(fun
( start_date,
end_date,
history_fee,
account_fee,
purse_fee,
history_expiration,
purse_account_limit,
purse_timeout,
master_sig )
->
Ok
{
start_date;
end_date;
history_fee;
account_fee;
purse_fee;
history_expiration;
purse_account_limit;
purse_timeout;
master_sig;
})
Caqti_type.(
t9 time time amount amount amount time_span int32 time_span master_sig)
let aggregate_transfer_fee =
let master_sig = Signatures.MasterWireFee.caqti in
Caqti_type.custom
~encode:(fun
AggregateTransferFee.
{ wire_fee; closing_fee; start_date; end_date; sig_ }
-> Ok (wire_fee, closing_fee, start_date, end_date, sig_))
~decode:(fun (wire_fee, closing_fee, start_date, end_date, sig_) ->
Ok
AggregateTransferFee.
{ wire_fee; closing_fee; start_date; end_date; sig_ })
Caqti_type.(t5 amount amount time time master_sig)
let exchange_wire_account =
let master_sig = Signatures.MasterWireDetails.caqti in
Caqti_type.custom
~encode:(fun
ExchangeWireAccount.
{
payto_uri;
conversion_url;
debit_restrictions;
credit_restrictions;
master_sig;
bank_label;
priority;
}
->
Ok
( payto_uri,
conversion_url,
debit_restrictions,
credit_restrictions,
master_sig,
bank_label,
priority ))
~decode:(fun
( payto_uri,
conversion_url,
debit_restrictions,
credit_restrictions,
master_sig,
bank_label,
priority )
->
Ok
{
payto_uri;
conversion_url;
debit_restrictions;
credit_restrictions;
master_sig;
bank_label;
priority;
})
Caqti_type.(
t7 payto_uri (option string) account_restrictions account_restrictions
master_sig (option string) (option int))
let drain_profit_message =
let master_sig = Signatures.MasterDrainProfit.caqti in
Caqti_type.custom
~encode:(fun
DrainProfitsMessage.
{
wtid;
debit_account_section;
credit_payto_uri;
date;
amount;
master_sig;
}
->
Ok
(wtid, debit_account_section, credit_payto_uri, date, amount, master_sig))
~decode:(fun
(wtid, debit_account_section, credit_payto_uri, date, amount, master_sig)
->
Ok
{
wtid;
debit_account_section;
credit_payto_uri;
date;
amount;
master_sig;
})
Caqti_type.(t6 b32 string string time amount master_sig)
let aml_officer_setup =
let master_sig = Signatures.MasterAmlOfficerStatus.caqti in
Caqti_type.custom
~encode:(fun
AmlOfficerSetup.
{
officer_pub;
master_sig;
officer_name;
is_active;
read_only;
change_date;
}
->
Ok
( officer_pub,
master_sig,
officer_name,
is_active,
read_only,
change_date ))
~decode:(fun
( officer_pub,
master_sig,
officer_name,
is_active,
read_only,
change_date )
->
Ok
{
officer_pub;
master_sig;
officer_name;
is_active;
read_only;
change_date;
})
Caqti_type.(t6 eddsa_pub master_sig string bool bool time)
let exchange_partner_setup =
let master_sig = Signatures.PartnerConfiguration.caqti in
Caqti_type.custom
~encode:(fun
ExchangePartnerSetupRequest.
{
partner_pub;
start_date;
end_date;
wad_frequency;
wad_fee;
master_sig;
partner_base_url;
}
->
Ok
( partner_pub,
start_date,
end_date,
wad_frequency,
wad_fee,
master_sig,
partner_base_url ))
~decode:(fun
( partner_pub,
start_date,
end_date,
wad_frequency,
wad_fee,
master_sig,
partner_base_url )
->
Ok
{
partner_base_url;
partner_pub;
wad_frequency;
master_sig;
start_date;
end_date;
wad_fee;
})
Caqti_type.(t7 eddsa_pub time time time_span amount master_sig string)

22
.jjconflict-side-1/src/respond_util.ml
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@ -1,22 +0,0 @@
let respond_with_plain_text_error ?status e req =
let open Vif.Response in
let open Syntax in
let status = Option.value ~default:`Bad_request status in
let* () = add ~field:"content-type" "text/plain; charset=utf-8" in
let* () = with_string req e in
respond status
let respond_with_ok_json content req =
let open Vif.Response in
let open Syntax in
let* () = add ~field:"content-type" "application/json" in
let* () = with_string req content in
respond `OK
let respond_with_res res req =
match res with
| Error err ->
Logs.err (fun m -> m "%s." err);
let err = Fmt.str "%s@." err in
respond_with_plain_text_error err req
| Ok content -> respond_with_ok_json content req

407
.jjconflict-side-1/src/secmod.ml
View file

@ -1,407 +0,0 @@
module type S = sig
open Crypto
val sign_with_sm_key : string -> eddsa_sig
val sign_with_signkey : pub:eddsa_pub -> string -> eddsa_sig
val verify_with_master_key : eddsa_sig -> msg:string -> (unit, string) result
val verify_with_sm_key : eddsa_sig -> msg:string -> (unit, string) result
val verify_with_signkey :
pub:eddsa_pub -> eddsa_sig -> msg:string -> (unit, string) result
(* TODO query database instead? *)
val get_sm_key_pub : unit -> eddsa_pub
val get_signkeys_data : unit -> Signkey_data.t list
val get_denoms_data : unit -> Denom_data.t list
val find_signkey_data : eddsa_pub -> Signkey_data.t option
val find_denom_data : denomination_hash -> Denom_data.t option
val find_denom_section_name : denomination_hash -> string option
(* - management operations - *)
(* TODO
problem of keeping db and secmod state syncronized
do db interaction from secmod? *)
val add_signkey_master_signatures :
(eddsa_pub * Signatures.ExchangeSigningKeyValidity.t) list ->
(unit, string) result
val add_denom_master_signatures :
(denomination_hash * Signatures.DenominationKeyValidity.t) list ->
(unit, string) result
val revoke_signkey :
eddsa_pub ->
Signatures.MasterSigningKeyRevocation.t ->
(unit, string) result
val revoke_denomination :
denomination_hash ->
Signatures.MasterDenominationKeyRevocation.t ->
(unit, string) result
val store : unit -> (unit, string) result
end
module Make (Conn : Pg.CONN) = struct
(* TODO
- key rotation
- how many signkey to use?
we just use 1 for now
- does the secmod's own key as metadata/expiration date?
- something to refer to valid sk/dn
- eddsa.ml with phantom type for key-kind + signed-data-kind *)
open Syntax
open Crypto
type signkey = {
priv: eddsa_priv;
sk_data: Signkey_data.t;
}
type denom = {
priv: rsa_priv;
dn_data: Denom_data.t;
}
type t = {
lock: Miou.Mutex.t;
sm_key_priv: eddsa_priv;
sm_key_pub: eddsa_pub;
sk_ht: (eddsa_pub, signkey) Hashtbl.t;
dn_ht: (denomination_hash, denom) Hashtbl.t;
dn_section_name_ht: (denomination_hash, string) Hashtbl.t;
}
let dir = Fpath.(v "data" / "secmod")
let db_lookup_signkey_data conn fname pub =
let* opt = Pg.find_signkey conn pub |> unwrap_err_caqti in
match opt with
| None ->
Fmt.error
"load_signkey error, no associated data found in database for \
signkey `%s`."
(Fpath.to_string fname)
| Some sk_data -> Ok sk_data
let db_lookup_denom_data conn ~section_name priv =
let pub = RsaPrivateKey.pub_of_priv priv in
let h_pub = Hash.DenominationHash.hash (RsaPublicKey.to_octets pub) in
let* opt = Pg.find_denom conn h_pub |> unwrap_err_caqti in
match opt with
| None ->
Fmt.error
"load_denom error no associated metadata found in database for \
denomination `%s`."
section_name
| Some dn_data -> Ok dn_data
let load_signkey conn fname =
let* opt = Data_file.read_eddsa fname in
match opt with
| None -> Ok None
| Some priv ->
let pub = EddsaPrivateKey.pub_of_priv priv in
let* sk_data = db_lookup_signkey_data conn fname pub in
let signkey = { priv; sk_data } in
Ok (Some signkey)
let load conn =
let error_invalid_state =
Fmt.error "secmod load error: invalid store state."
in
let* sm_key_priv = Data_file.read_eddsa Fpath.(dir / "sk_sm") in
let* signkeys =
let l = List.init 1 (fun i -> Fpath.(dir / Fmt.str "sk_%d" i)) in
let* l = list_map (fun fname -> load_signkey conn fname) l in
match opt_list l with Error () -> error_invalid_state | Ok opt -> Ok opt
in
let dn_section_name_ht = Hashtbl.create 0xff in
let* denoms =
let* l =
let open Config.Coin in
list_map
(fun coin ->
let section_name = coin.section_name in
let fname = Fpath.(dir / section_name) in
let* opt = Data_file.read_rsa fname in
match opt with
| None -> Ok None
| Some priv ->
(* todo: could check that coin config match db values *)
let* dn_data = db_lookup_denom_data conn ~section_name priv in
Hashtbl.replace dn_section_name_ht dn_data.h_pub section_name;
let denom = { priv; dn_data } in
Ok (Some denom))
all_coins
in
match Syntax.opt_list l with
| Error () -> error_invalid_state
| Ok opt -> Ok opt
in
match (sm_key_priv, signkeys, denoms) with
| None, None, None -> Ok None
| Some sm_key_priv, Some signkeys, Some denoms ->
let sm_key_pub = EddsaPrivateKey.pub_of_priv sm_key_priv in
let lock = Miou.Mutex.create () in
let sk_ht =
signkeys
|> List.map (fun v -> (v.sk_data.pub, v))
|> List.to_seq
|> Hashtbl.of_seq
in
let dn_ht =
denoms
|> List.map (fun v -> (v.dn_data.h_pub, v))
|> List.to_seq
|> Hashtbl.of_seq
in
Ok
(Some
{ lock; sm_key_priv; sm_key_pub; sk_ht; dn_ht; dn_section_name_ht })
| _, _, _ -> error_invalid_state
let make_new_signkey () =
let start = Time.Absolute.of_ptime (Ptime_clock.now ()) in
let expire =
Time.Absolute.add start Config.Exchange.signkey_legal_duration
in
let stamp_start = Time.Timestamp.of_absolute start in
let stamp_expire = Time.Timestamp.of_absolute expire in
let stamp_end = stamp_expire in
let priv, pub = Mirage_crypto_ec.Ed25519.generate () in
let master_sig = None in
let revoked_sig = None in
let sk_data =
Signkey_data.
{ pub; stamp_start; stamp_expire; stamp_end; master_sig; revoked_sig }
in
{ priv; sk_data }
let make_new_denom
Config.Coin.
{
section_name= _;
value;
duration_withdraw;
duration_spend;
duration_legal;
fee_withdraw;
fee_deposit;
fee_refresh;
fee_refund;
cipher;
rsa_keysize;
age_restricted= _;
} =
assert (cipher = `RSA);
let open Time in
let start = Absolute.of_ptime (Ptime_clock.now ()) in
let stamp_start = Timestamp.of_absolute start in
let stamp_expire_withdraw =
Timestamp.of_absolute @@ Absolute.add start duration_withdraw
in
let stamp_expire_deposit =
Timestamp.of_absolute @@ Absolute.add start duration_spend
in
let stamp_expire_legal =
Timestamp.of_absolute @@ Absolute.add start duration_legal
in
let priv, pub = RsaPrivateKey.generate ~bits:rsa_keysize () in
let h_pub = Hash.DenominationHash.hash (RsaPublicKey.to_octets pub) in
let master_sig = None in
let revoked_sig = None in
let dn_data =
Denom_data.
{
pub;
value;
stamp_start;
stamp_expire_withdraw;
stamp_expire_deposit;
stamp_expire_legal;
fee_withdraw;
fee_deposit;
fee_refresh;
fee_refund;
age_mask= 0;
h_pub;
master_sig;
revoked_sig;
}
in
{ priv; dn_data }
let make_new () =
let lock = Miou.Mutex.create () in
let sm_key_priv, sm_key_pub = Mirage_crypto_ec.Ed25519.generate () in
let sk_ht =
[ make_new_signkey () ]
|> List.map (fun v -> (v.sk_data.pub, v))
|> List.to_seq
|> Hashtbl.of_seq
in
let dn_section_name_ht = Hashtbl.create 0xff in
let dn_ht =
Config.Coin.all_coins
|> List.map (fun coin ->
let denom = make_new_denom coin in
Hashtbl.replace dn_section_name_ht denom.dn_data.h_pub
coin.section_name;
(denom.dn_data.h_pub, denom))
|> List.to_seq
|> Hashtbl.of_seq
in
{ lock; sm_key_priv; sm_key_pub; sk_ht; dn_ht; dn_section_name_ht }
let t =
match load (module Conn) with
| Ok None ->
let t = make_new () in
Logs.info (fun m -> m "secmod initialized with fresh keys");
t
| Ok (Some t) ->
Logs.info (fun m -> m "secmod initialized from storage");
t
| Error e -> Fmt.failwith "secmod init failure: %s." e
(* note: don't expose a signing function if we want a real "security module" one day *)
let sign_with_sm_key s = EddsaSignature.sign ~key:t.sm_key_priv s
let verify_with_sm_key s ~msg = EddsaSignature.verify ~key:t.sm_key_pub s ~msg
let verify_with_master_key s ~msg =
EddsaSignature.verify ~key:Config.master_public_key s ~msg
(* TODO
- do something to force `pub` to be one of the valid signkey
how to handle revocation?
raise exn for now *)
let sign_with_signkey ~pub s =
Miou.Mutex.protect t.lock @@ fun () ->
match Hashtbl.find_opt t.sk_ht pub with
| None -> Fmt.failwith "secmod failure: public key not found."
| Some signkey ->
let v = EddsaSignature.sign ~key:signkey.priv s in
v
let verify_with_signkey ~pub s ~msg =
Miou.Mutex.protect t.lock @@ fun () ->
match Hashtbl.find_opt t.sk_ht pub with
| None -> Error "secmod failure: public key not found."
| Some signkey -> EddsaSignature.verify ~key:signkey.sk_data.pub s ~msg
let get_sm_key_pub () = t.sm_key_pub
let get_signkeys () =
Miou.Mutex.protect t.lock @@ fun () ->
Hashtbl.to_seq_values t.sk_ht |> List.of_seq
let get_denoms () =
Miou.Mutex.protect t.lock @@ fun () ->
Hashtbl.to_seq_values t.dn_ht |> List.of_seq
let find_signkey pub =
Miou.Mutex.protect t.lock @@ fun () -> Hashtbl.find_opt t.sk_ht pub
let find_denom h_denom =
Miou.Mutex.protect t.lock @@ fun () -> Hashtbl.find_opt t.dn_ht h_denom
let get_signkeys_data () = get_signkeys () |> List.map (fun v -> v.sk_data)
let get_denoms_data () = get_denoms () |> List.map (fun v -> v.dn_data)
let find_signkey_data pub =
find_signkey pub |> Option.map (fun v -> v.sk_data)
let find_denom_data h_denom =
find_denom h_denom |> Option.map (fun v -> v.dn_data)
let find_denom_section_name h_denom =
Miou.Mutex.protect t.lock @@ fun () ->
Hashtbl.find_opt t.dn_section_name_ht h_denom
let add_signkey_master_signatures l =
Miou.Mutex.protect t.lock @@ fun () ->
list_iter
(fun (pub, master_sig) ->
match Hashtbl.find_opt t.sk_ht pub with
| None -> Error "secmod failure: public key not found."
| Some signkey ->
let sk_data =
{ signkey.sk_data with master_sig= Some master_sig }
in
let signkey = { signkey with sk_data } in
let* () =
Pg.insert_signkey (module Conn) sk_data |> unwrap_err_caqti
in
Hashtbl.replace t.sk_ht pub signkey;
Ok ())
l
let add_denom_master_signatures l =
Miou.Mutex.protect t.lock @@ fun () ->
list_iter
(fun (h_denom_pub, master_sig) ->
match Hashtbl.find_opt t.dn_ht h_denom_pub with
| None -> Error "secmod failure: denomination hash not found."
| Some denom ->
let dn_data = { denom.dn_data with master_sig= Some master_sig } in
let denom = { denom with dn_data } in
let* () =
Pg.insert_denom (module Conn) dn_data |> unwrap_err_caqti
in
Hashtbl.replace t.dn_ht h_denom_pub denom;
Ok ())
l
let revoke_signkey exchange_pub revoked_sig =
Miou.Mutex.protect t.lock @@ fun () ->
match Hashtbl.find_opt t.sk_ht exchange_pub with
| None -> Error "secmod failure: denomination hash not found."
| Some signkey ->
let sk_data = { signkey.sk_data with revoked_sig= Some revoked_sig } in
let signkey = { signkey with sk_data } in
Hashtbl.replace t.sk_ht exchange_pub signkey;
Ok ()
let revoke_denomination h_denom_pub revoked_sig =
Miou.Mutex.protect t.lock @@ fun () ->
match Hashtbl.find_opt t.dn_ht h_denom_pub with
| None -> Error "secmod failure: denomination hash not found."
| Some denom ->
let dn_data = { denom.dn_data with revoked_sig= Some revoked_sig } in
let denom = { denom with dn_data } in
Hashtbl.replace t.dn_ht h_denom_pub denom;
Ok ()
let store () =
Miou.Mutex.protect t.lock @@ fun () ->
let* () = Data_file.write_eddsa Fpath.(dir / "sk_sm") t.sm_key_priv in
let* () =
Hashtbl.to_seq_values t.sk_ht
|> List.of_seq
|> List.mapi (fun i (key : signkey) ->
let fname = Fpath.(dir / Fmt.str "sk_%d" i) in
(fname, key.priv))
|> list_iter (fun (fname, key) -> Data_file.write_eddsa fname key)
in
let* () =
let* l =
Hashtbl.to_seq_values t.dn_ht
|> List.of_seq
|> Syntax.list_map (fun (key : denom) ->
let+ section_name =
match Hashtbl.find_opt t.dn_section_name_ht key.dn_data.h_pub with
| None -> Error "invalid state, section_name not found"
| Some s -> Ok s
in
let fname = Fpath.(dir / section_name) in
(fname, key.priv))
in
list_iter (fun (fname, key) -> Data_file.write_rsa fname key) l
in
Logs.info (fun m -> m "stored secmod data to file");
Ok ()
end

46
.jjconflict-side-1/src/secmod.mli
View file

@ -1,46 +0,0 @@
module type S = sig
open Crypto
val sign_with_sm_key : string -> eddsa_sig
val sign_with_signkey : pub:eddsa_pub -> string -> eddsa_sig
val verify_with_master_key : eddsa_sig -> msg:string -> (unit, string) result
val verify_with_sm_key : eddsa_sig -> msg:string -> (unit, string) result
val verify_with_signkey :
pub:eddsa_pub -> eddsa_sig -> msg:string -> (unit, string) result
(* TODO query database instead? *)
val get_sm_key_pub : unit -> eddsa_pub
val get_signkeys_data : unit -> Signkey_data.t list
val get_denoms_data : unit -> Denom_data.t list
val find_signkey_data : eddsa_pub -> Signkey_data.t option
val find_denom_data : denomination_hash -> Denom_data.t option
val find_denom_section_name : denomination_hash -> string option
(* - management operations - *)
(* TODO
problem of keeping db and secmod state syncronized
do db interaction from secmod? *)
val add_signkey_master_signatures :
(eddsa_pub * Signatures.ExchangeSigningKeyValidity.t) list ->
(unit, string) result
val add_denom_master_signatures :
(denomination_hash * Signatures.DenominationKeyValidity.t) list ->
(unit, string) result
val revoke_signkey :
eddsa_pub ->
Signatures.MasterSigningKeyRevocation.t ->
(unit, string) result
val revoke_denomination :
denomination_hash ->
Signatures.MasterDenominationKeyRevocation.t ->
(unit, string) result
val store : unit -> (unit, string) result
end
module Make (_ : Pg.CONN) : S

10
.jjconflict-side-1/src/signkey_data.ml
View file

@ -1,10 +0,0 @@
open Crypto
type t = {
pub: eddsa_pub;
stamp_start: Timestamp.t;
stamp_expire: Timestamp.t;
stamp_end: Timestamp.t;
master_sig: Signatures.ExchangeSigningKeyValidity.t option;
revoked_sig: Signatures.MasterSigningKeyRevocation.t option;
}

84
.jjconflict-side-1/src/static.ml
View file

@ -1,84 +0,0 @@
(* TODO check for mathcing ETAG with a middleware instead? *)
(* /terms + /privacy
- try to find a response with an acceptable mime-type
- pick the version in the most preferred language of the user
- apply compression if that is allowed by the client
- set ETAG header
- If it did not change, a "304 Not Modified" response will be returned
- A "Taler-Terms-Version" header is generated to indicate the legal version of the terms
- When returning a full response (not a "304 Not Modified"),
include a "Avail-Languages" header: a comma-separated list of the languages available *)
module Respond_with = struct
open Vif.Response
open Syntax
open struct
let error_detail ?hint _status =
let open Api in
let code = -1 in
let err = ErrorDetail.make ?hint code in
let s = encode_exn ErrorDetail.jsont err in
s
end
let bad_request ?hint req =
let body = error_detail ?hint `Bad_request in
let* () = with_string ?compression:None req body in
respond `Bad_request
let not_modified () =
let* () = empty in
respond `Not_modified
let unsupported_media_type req =
let body =
error_detail ~hint:"no acceptable mimetype" `Unsupported_media_type
in
let* () = with_string ?compression:None req body in
let* () = add ~field:"accept" Headers.accept_header_value in
respond `Unsupported_media_type
end
let aux kind req _server _env =
let etag = Assets.etag kind in
let headers = Vif.Request.headers req in
let has_matching_etag =
match Vif.Headers.get headers "if-none-match" with
| None -> Ok false
| Some s ->
Headers_lib.Etag.parse s |> Result.map (Headers_lib.Etag.evaluate etag)
in
match has_matching_etag with
| Error e -> Respond_with.bad_request ~hint:e req
| Ok true -> Respond_with.not_modified ()
| Ok false -> (
match Headers.select_mimetype headers with
| None -> Respond_with.unsupported_media_type req
| Some mime ->
let lang = Headers.select_language headers in
let compression = Headers.select_encoding headers in
let data = Assets.get_content ~mime ~lang kind in
(* -- *)
let open Vif.Response in
let open Syntax in
let* () = with_string ?compression req data in
let* () =
let etag_field_value = Headers_lib.Etag.to_field_value etag in
add ~field:"etag" etag_field_value
in
let* () =
(* todo: is it "taler-privacy-version" for /policy ? *)
add ~field:"taler-terms-version" Assets.terms_legal_version
in
let* () =
add ~field:"avail-languages" Headers.avail_languages_header_value
in
let* () =
let content_type = Fmt.str "%a" Assets.Mimetype.pp_mime mime in
add ~field:"content-type" content_type
in
respond `OK)
let terms req _server _env = aux Assets.Terms req _server _env
let privacy req _server _env = aux Assets.Privacy req _server _env

51
.jjconflict-side-1/src/syntax.ml
View file

@ -1,51 +0,0 @@
let ( let* ) o f = match o with Ok v -> f v | Error _ as e -> e
let ( let+ ) o f = match o with Ok v -> Ok (f v) | Error _ as e -> e
(* TODO use polymorphic variant for errors *)
let unwrap_err_msg o = match o with Error (`Msg e) -> Error e | Ok v -> Ok v
let unwrap_err_caqti o =
match o with Error err -> Fmt.error "%a" Caqti_error.pp err | Ok v -> Ok v
let list_iter f l =
let err = ref None in
try
List.iter
(fun v ->
match f v with
| Error _e as e ->
err := Some e;
raise Exit
| Ok () -> ())
l;
Ok ()
with Exit -> ( match !err with None -> assert false | Some v -> v)
let list_map f l =
let err = ref None in
try
Ok
(List.map
(fun v ->
match f v with
| Error _e as e ->
err := Some e;
raise Exit
| Ok v -> v)
l)
with Exit -> ( match !err with None -> assert false | Some v -> v)
let list_fold_left f acc l =
List.fold_left
(fun acc v ->
let* acc = acc in
f acc v)
(Ok acc) l
let opt_list l =
match (List.for_all Option.is_none l, List.for_all Option.is_some l) with
| _, true ->
let l = List.map Option.get l in
Ok (Some l)
| true, _ -> Ok None
| _, _ -> Error ()

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