From 09d1dd83ec1bf9ca16841d0afb18b9a7da705bcb Mon Sep 17 00:00:00 2001
From: Florian Dold <florian@dold.me>
Date: Tue, 22 Jun 2021 18:43:11 +0200
Subject: prevent conflicting coin allocation with concurrent payments

---
 packages/taler-wallet-core/src/db.ts | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'packages/taler-wallet-core/src/db.ts')

diff --git a/packages/taler-wallet-core/src/db.ts b/packages/taler-wallet-core/src/db.ts
index 2d2c0615c..36b4e0864 100644
--- a/packages/taler-wallet-core/src/db.ts
+++ b/packages/taler-wallet-core/src/db.ts
@@ -848,6 +848,17 @@ export interface CoinRecord {
    * Status of the coin.
    */
   status: CoinStatus;
+
+  /**
+   * Information about what the coin has been allocated for.
+   * Used to prevent allocation of the same coin for two different payments.
+   */
+  allocation?: CoinAllocation;
+}
+
+export interface CoinAllocation {
+  id: string;
+  amount: AmountString;
 }
 
 export enum ProposalStatus {
@@ -1643,6 +1654,8 @@ export interface DepositGroupRecord {
 
   payCoinSelection: PayCoinSelection;
 
+  payCoinSelectionUid: string;
+
   totalPayCost: AmountJson;
 
   effectiveDepositAmount: AmountJson;
-- 
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