From 6bf62ec43d6989d2e88d6b2713ba5ff9c24de2b6 Mon Sep 17 00:00:00 2001
From: swrup <swrup@protonmail.com>
Date: Mon, 13 Oct 2025 02:07:07 +0200
Subject: [PATCH] + database

---
 src/config.ml | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/src/config.ml b/src/config.ml
index fa4fb746..6002c118 100644
--- a/src/config.ml
+++ b/src/config.ml
@@ -374,6 +374,44 @@ module type Secmod_rsa = Secmod
 module type Secmod_cs = Secmod
 module type Secmod_eddsa = Secmod
 
+(* The following options must be in the section "[exchangedb]". *)
+module type Database = sig
+  (* TODO not sure about what unit of time/duration is used here *)
+
+  (*
+  After which time period should reserves be closed if they are idle? *)
+  val idle_reserve_expiration_time : seconds
+
+  (*
+  After what time do we forget about (drained) reserves during garbage collection? *)
+  val legal_reserve_expiration_time : seconds
+
+  (*
+  Delay between a deposit being eligible for aggregation and
+  the aggregator actually triggering. *)
+  val aggregator_shift : seconds
+
+  (*
+  Number of concurrent purses that a reserve may have active
+  if it is paid to be opened for a year. *)
+  val default_purse_limit : int
+
+  (*
+  Maximum time an AML program is allowed to run.
+  (Optional for taler-auditor.) *)
+  val max_aml_program_runtime : int option
+
+  (*
+The following options must be in section “[exchangedb-postgres]” if the
+“postgres” plugin was selected for the database. *)
+  module type Postgres_backend = sig
+    (*
+  How to access the database, e.g. “postgres:///taler-exchange” to use the
+  “taler-exchange” database. Testcases use “talercheck”. *)
+    val config : string
+  end
+end
+
 (* -- ********************************** -- *)
 let currency = `Eur
 let currency_to_string = function `Eur -> "EUR"