1 files changed, 24 insertions, 0 deletions
diff --git a/packages/taler-wallet-core/src/crypto/cryptoImplementation.ts b/packages/taler-wallet-core/src/crypto/cryptoImplementation.ts
index 6b44c297d..c0c8e0d01 100644
--- a/packages/taler-wallet-core/src/crypto/cryptoImplementation.ts
+++ b/packages/taler-wallet-core/src/crypto/cryptoImplementation.ts
@@ -106,6 +106,8 @@ import {
   EncryptContractRequest,
   EncryptContractResponse,
   EncryptedContract,
+  SignDeletePurseRequest,
+  SignDeletePurseResponse,
   SignPurseMergeRequest,
   SignPurseMergeResponse,
   SignRefundRequest,
@@ -240,6 +242,8 @@ export interface TalerCryptoInterface {
   ): Promise<SignReservePurseCreateResponse>;
 
   signRefund(req: SignRefundRequest): Promise<SignRefundResponse>;
+
+  signDeletePurse(req: SignDeletePurseRequest): Promise<SignDeletePurseResponse>;
 }
 
 /**
@@ -419,6 +423,11 @@ export const nullCrypto: TalerCryptoInterface = {
   signRefund: function (req: SignRefundRequest): Promise<SignRefundResponse> {
     throw new Error("Function not implemented.");
   },
+  signDeletePurse: function (
+    req: SignDeletePurseRequest,
+  ): Promise<SignDeletePurseResponse> {
+    throw new Error("Function not implemented.");
+  },
 };
 
 export type WithArg<X> = X extends (req: infer T) => infer R
@@ -1671,6 +1680,21 @@ export const nativeCryptoR: TalerCryptoInterfaceR = {
       sig: refundSigResp.sig,
     };
   },
+  async signDeletePurse(
+    tci: TalerCryptoInterfaceR,
+    req: SignDeletePurseRequest,
+  ): Promise<SignDeletePurseResponse> {
+    const deleteSigBlob = buildSigPS(
+      TalerSignaturePurpose.WALLET_PURSE_DELETE,
+    ).build();
+    const sigResp = await tci.eddsaSign(tci, {
+      msg: encodeCrock(deleteSigBlob),
+      priv: req.pursePriv,
+    });
+    return {
+      sig: sigResp.sig,
+    }
+  },
 };
 
 function amountToBuffer(amount: AmountLike): Uint8Array {