From 6df92029353d70195a7e7d989719e674473b0587 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian@dold.me>
Date: Mon, 7 Mar 2022 21:49:11 +0100
Subject: fix recoup protocol breakage

---
 packages/taler-util/src/talerTypes.ts              | 28 +++++++++++++++++++++-
 .../src/crypto/workers/cryptoImplementation.ts     |  8 +++++++
 2 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/packages/taler-util/src/talerTypes.ts b/packages/taler-util/src/talerTypes.ts
index fa544aeb6..4ea1b45fc 100644
--- a/packages/taler-util/src/talerTypes.ts
+++ b/packages/taler-util/src/talerTypes.ts
@@ -147,9 +147,31 @@ export class ExchangeAuditor {
   denomination_keys: AuditorDenomSig[];
 }
 
+export type ExchangeWithdrawValue =
+  | ExchangeRsaWithdrawValue
+  | ExchangeCsWithdrawValue;
+
+export interface ExchangeRsaWithdrawValue {
+  cipher: "RSA";
+}
+
+export interface ExchangeCsWithdrawValue {
+  cipher: "CS";
+
+  /**
+   *  CSR R0 value
+   */
+  r_pub_0: string;
+
+  /**
+   * CSR R1 value
+   */
+  r_pub_1: string;
+}
+
 export interface RecoupRequest {
   /**
-   * Hashed enomination public key of the coin we want to get
+   * Hashed denomination public key of the coin we want to get
    * paid back.
    */
   denom_pub_hash: string;
@@ -171,6 +193,8 @@ export interface RecoupRequest {
    * Signature of TALER_RecoupRequestPS created with the coin's private key.
    */
   coin_sig: string;
+
+  ewv: ExchangeWithdrawValue;
 }
 
 export interface RecoupRefreshRequest {
@@ -197,6 +221,8 @@ export interface RecoupRefreshRequest {
    * the coin's private key.
    */
   coin_sig: string;
+
+  ewv: ExchangeWithdrawValue;
 }
 
 /**
diff --git a/packages/taler-wallet-core/src/crypto/workers/cryptoImplementation.ts b/packages/taler-wallet-core/src/crypto/workers/cryptoImplementation.ts
index d96e83058..af77e2be4 100644
--- a/packages/taler-wallet-core/src/crypto/workers/cryptoImplementation.ts
+++ b/packages/taler-wallet-core/src/crypto/workers/cryptoImplementation.ts
@@ -272,6 +272,10 @@ export class CryptoImplementation {
         coin_sig: encodeCrock(coinSig),
         denom_pub_hash: req.denomPubHash,
         denom_sig: req.denomSig,
+        // FIXME!
+        ewv: {
+          cipher: "RSA",
+        },
       };
       return paybackRequest;
     } else {
@@ -298,6 +302,10 @@ export class CryptoImplementation {
         coin_sig: encodeCrock(coinSig),
         denom_pub_hash: req.denomPubHash,
         denom_sig: req.denomSig,
+        // FIXME!
+        ewv: {
+          cipher: "RSA",
+        },
       };
       return recoupRequest;
     } else {
-- 
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