2 files changed, 37 insertions, 4 deletions
diff --git a/src/types/dbTypes.ts b/src/types/dbTypes.ts
index 9d2f6fe5d..7447fc546 100644
--- a/src/types/dbTypes.ts
+++ b/src/types/dbTypes.ts
@@ -1060,6 +1060,16 @@ export interface PurchaseRefundState {
 }
 
 /**
+ * Record stored for every time we successfully submitted
+ * a payment to the merchant (both first time and re-play).
+ */
+export interface PayEventRecord {
+  proposalId: string;
+  sessionId: string | undefined;
+  timestamp: Timestamp;
+}
+
+/**
  * Record that stores status information about one purchase, starting from when
  * the customer accepts a proposal.  Includes refund status if applicable.
  */
@@ -1432,6 +1442,12 @@ export namespace Stores {
     }
   }
 
+  class PayEventsStore extends Store<PayEventRecord> {
+    constructor() {
+      super("payEvents", { keyPath: "proposalId" });
+    }
+  }
+
   class BankWithdrawUrisStore extends Store<BankWithdrawUriRecord> {
     constructor() {
       super("bankWithdrawUris", { keyPath: "talerWithdrawUri" });
@@ -1457,6 +1473,7 @@ export namespace Stores {
   export const withdrawalSession = new WithdrawalSessionsStore();
   export const bankWithdrawUris = new BankWithdrawUrisStore();
   export const refundEvents = new RefundEventsStore();
+  export const payEvents = new PayEventsStore();
 }
 
 /* tslint:enable:completed-docs */
diff --git a/src/types/walletTypes.ts b/src/types/walletTypes.ts
index eedae6f2c..df19d8dc2 100644
--- a/src/types/walletTypes.ts
+++ b/src/types/walletTypes.ts
@@ -195,14 +195,30 @@ export interface WalletBalanceEntry {
   pendingIncomingDirty: AmountJson;
 }
 
+export interface CoinPayInfo {
+  /**
+   * Amount that will be subtracted from the coin when the payment is finalized.
+   */
+  subtractedAmount: AmountJson;
+
+  /**
+   * Public key of the coin that is being spent.
+   */
+  coinPub: string;
+
+  /**
+   * Signature together with the other information needed by the merchant,
+   * directly in the format expected by the merchant.
+   */
+  sig: CoinPaySig;
+}
+
 /**
  * Coins used for a payment, with signatures authorizing the payment and the
  * coins with remaining value updated to accomodate for a payment.
  */
-export interface PayCoinInfo {
-  originalCoins: CoinRecord[];
-  updatedCoins: CoinRecord[];
-  sigs: CoinPaySig[];
+export interface PaySigInfo {
+  coinInfo: CoinPayInfo[];
 }
 
 /**