taler-typescript-core

commit 34df06f55f4cc7fc80aec28a28f943c2a58e3f31
parent 0c191015e4dac3e0ccc61a2eee47cacb30d6d970
Author: Florian Dold <florian@dold.me>
Date:   Mon, 19 May 2025 13:08:10 +0200

helpers to diagnose #9974

Diffstat:
M
packages/taler-wallet-cli/src/index.ts
 | 
10
++++++++++
M
packages/taler-wallet-core/src/crypto/cryptoImplementation.ts
 | 
18
+++++++++++++++++-

2 files changed, 27 insertions(+), 1 deletion(-)
diff --git a/packages/taler-wallet-cli/src/index.ts b/packages/taler-wallet-cli/src/index.ts
@@ -26,6 +26,7 @@ import {
   assertUnreachable,
   codecForList,
   codecForString,
+  ContractTermsUtil,
   CoreApiResponse,
   Duration,
   encodeCrock,
@@ -1714,6 +1715,15 @@ advancedCli
   });
 
 advancedCli
+  .subcommand("hashContractTerms", "hash-contract-terms")
+  .action(async (args) => {
+    const data = await read(process.stdin);
+    const ct = JSON.parse(data);
+    const ctHash = ContractTermsUtil.hashContractTerms(ct);
+    console.log(ctHash);
+  });
+
+advancedCli
   .subcommand("coins", "list-coins", {
     help: "List coins.",
   })
diff --git a/packages/taler-wallet-core/src/crypto/cryptoImplementation.ts b/packages/taler-wallet-core/src/crypto/cryptoImplementation.ts
@@ -135,7 +135,16 @@ import {
 
 const logger = new Logger("cryptoImplementation.ts");
 
-const debugDumpSigs = false;
+let debugDumpSigs = false;
+
+/**
+ * Enable dumping of signature blobs to stderr.
+ *
+ * Global option, must only be used for debugging.
+ */
+export function setDebugDumpSigs(b: boolean) {
+  debugDumpSigs = b;
+}
 
 /**
  * Interface for (asynchronous) cryptographic operations that
@@ -1468,6 +1477,13 @@ export const nativeCryptoR: TalerCryptoInterfaceR = {
       priv: depositInfo.coinPriv,
     });
 
+    if (debugDumpSigs) {
+      logger.info(
+        `Dumping deposit signature for ct=${depositInfo.contractTermsHash}`,
+      );
+      logger.info(`Deposit signature: ${toHexString(d)}`);
+    }
+
     if (depositInfo.denomKeyType === DenomKeyType.Rsa) {
       const s: CoinDepositPermission = {
         coin_pub: depositInfo.coinPub,