Explicitly specify hash in client applications

asset-transfer-basic/application-gateway-go/assetTransfer.go

@@ -18,6 +18,7 @@ import (
 	"time"
 
 	"github.com/hyperledger/fabric-gateway/pkg/client"
+	"github.com/hyperledger/fabric-gateway/pkg/hash"
 	"github.com/hyperledger/fabric-gateway/pkg/identity"
 	"github.com/hyperledger/fabric-protos-go-apiv2/gateway"
 	"google.golang.org/grpc"
@@ -50,6 +51,7 @@ func main() {
 	gw, err := client.Connect(
 		id,
 		client.WithSign(sign),
+		client.WithHash(hash.SHA256),
 		client.WithClientConnection(clientConnection),
 		// Default timeouts for different gRPC calls
 		client.WithEvaluateTimeout(5*time.Second),

asset-transfer-basic/application-gateway-java/src/main/java/App.java

@@ -16,6 +16,7 @@
 import org.hyperledger.fabric.client.EndorseException;
 import org.hyperledger.fabric.client.Gateway;
 import org.hyperledger.fabric.client.GatewayException;
+import org.hyperledger.fabric.client.Hash;
 import org.hyperledger.fabric.client.SubmitException;
 import org.hyperledger.fabric.client.identity.Identities;
 import org.hyperledger.fabric.client.identity.Identity;
@@ -60,7 +61,11 @@ public static void main(final String[] args) throws Exception {
 		// this endpoint.
 		var channel = newGrpcConnection();
 
-		var builder = Gateway.newInstance().identity(newIdentity()).signer(newSigner()).connection(channel)
+		var builder = Gateway.newInstance()
+                .identity(newIdentity())
+                .signer(newSigner())
+                .hash(Hash.SHA256)
+                .connection(channel)
 				// Default timeouts for different gRPC calls
 				.evaluateOptions(options -> options.withDeadlineAfter(5, TimeUnit.SECONDS))
 				.endorseOptions(options -> options.withDeadlineAfter(15, TimeUnit.SECONDS))
@@ -131,7 +136,7 @@ public void run() throws GatewayException, CommitException {
 		// Update an asset which does not exist.
 		updateNonExistentAsset();
 	}
-	
+
 	/**
 	 * This type of transaction would typically only be run once by an application
 	 * the first time it was started after its initial deployment. A new version of
@@ -152,7 +157,7 @@ private void getAllAssets() throws GatewayException {
 		System.out.println("\n--> Evaluate Transaction: GetAllAssets, function returns all the current assets on the ledger");
 
 		var result = contract.evaluateTransaction("GetAllAssets");
-		
+
 		System.out.println("*** Result: " + prettyJson(result));
 	}
 
@@ -202,15 +207,15 @@ private void transferAssetAsync() throws EndorseException, SubmitException, Comm
 			throw new RuntimeException("Transaction " + status.getTransactionId() +
 					" failed to commit with status code " + status.getCode());
 		}
-		
+
 		System.out.println("*** Transaction committed successfully");
 	}
 
 	private void readAssetById() throws GatewayException {
 		System.out.println("\n--> Evaluate Transaction: ReadAsset, function returns asset attributes");
 
 		var evaluateResult = contract.evaluateTransaction("ReadAsset", assetId);
-		
+
 		System.out.println("*** Result:" + prettyJson(evaluateResult));
 	}
 
@@ -221,9 +226,9 @@ private void readAssetById() throws GatewayException {
 	private void updateNonExistentAsset() {
 		try {
 			System.out.println("\n--> Submit Transaction: UpdateAsset asset70, asset70 does not exist and should return an error");
-			
+
 			contract.submitTransaction("UpdateAsset", "asset70", "blue", "5", "Tomoko", "300");
-			
+
 			System.out.println("******** FAILED to return an error");
 		} catch (EndorseException | SubmitException | CommitStatusException e) {
 			System.out.println("*** Successfully caught the error: ");

asset-transfer-basic/application-gateway-javascript/src/app.js

@@ -5,7 +5,7 @@
  */
 
 const grpc = require('@grpc/grpc-js');
-const { connect, signers } = require('@hyperledger/fabric-gateway');
+const { connect, hash, signers } = require('@hyperledger/fabric-gateway');
 const crypto = require('node:crypto');
 const fs = require('node:fs/promises');
 const path = require('node:path');
@@ -79,6 +79,7 @@ async function main() {
         client,
         identity: await newIdentity(),
         signer: await newSigner(),
+        hash: hash.sha256,
         // Default timeouts for different gRPC calls
         evaluateOptions: () => {
             return { deadline: Date.now() + 5000 }; // 5 seconds

asset-transfer-basic/application-gateway-typescript/src/app.ts

@@ -5,7 +5,7 @@
  */
 
 import * as grpc from '@grpc/grpc-js';
-import { connect, Contract, Identity, Signer, signers } from '@hyperledger/fabric-gateway';
+import { connect, Contract, hash, Identity, Signer, signers } from '@hyperledger/fabric-gateway';
 import * as crypto from 'crypto';
 import { promises as fs } from 'fs';
 import * as path from 'path';
@@ -46,6 +46,7 @@ async function main(): Promise<void> {
         client,
         identity: await newIdentity(),
         signer: await newSigner(),
+        hash: hash.sha256,
         // Default timeouts for different gRPC calls
         evaluateOptions: () => {
             return { deadline: Date.now() + 5000 }; // 5 seconds
@@ -243,4 +244,4 @@ function displayInputParameters(): void {
     console.log(`tlsCertPath:       ${tlsCertPath}`);
     console.log(`peerEndpoint:      ${peerEndpoint}`);
     console.log(`peerHostAlias:     ${peerHostAlias}`);
-}
+}

asset-transfer-basic/rest-api-go/web/initialize.go

@@ -9,6 +9,7 @@ import (
 	"time"
 
 	"github.com/hyperledger/fabric-gateway/pkg/client"
+	"github.com/hyperledger/fabric-gateway/pkg/hash"
 	"github.com/hyperledger/fabric-gateway/pkg/identity"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
@@ -24,6 +25,7 @@ func Initialize(setup OrgSetup) (*OrgSetup, error) {
 	gateway, err := client.Connect(
 		id,
 		client.WithSign(sign),
+		client.WithHash(hash.SHA256),
 		client.WithClientConnection(clientConnection),
 		client.WithEvaluateTimeout(5*time.Second),
 		client.WithEndorseTimeout(15*time.Second),

asset-transfer-events/application-gateway-go/app.go

@@ -15,6 +15,7 @@ import (
 	"time"
 
 	"github.com/hyperledger/fabric-gateway/pkg/client"
+	"github.com/hyperledger/fabric-gateway/pkg/hash"
 )
 
 const (
@@ -35,6 +36,7 @@ func main() {
 	gateway, err := client.Connect(
 		id,
 		client.WithSign(sign),
+		client.WithHash(hash.SHA256),
 		client.WithClientConnection(clientConnection),
 		client.WithEvaluateTimeout(5*time.Second),
 		client.WithEndorseTimeout(15*time.Second),