chore: update examples to use ECDSA accounts

examples/.env

@@ -1,6 +1,6 @@
 # Local Node 
-OPERATOR_KEY=0xa608e2130a0a3cb34f86e757303c862bee353d9ab77ba4387ec084f881d420d4
-OPERATOR_ID=0.0.1022
+OPERATOR_KEY=0x105d050185ccb907fba04dd92d8de9e32c18305e097ab41dadda21489a211524
+OPERATOR_ID=0.0.1012
 HEDERA_NETWORK=local-node
 
 NODE_COMMAND=node

examples/account-alias.js

@@ -58,7 +58,7 @@ async function main() {
 
     console.log('"Creating" a new account');
 
-    const privateKey = PrivateKey.generateED25519();
+    const privateKey = PrivateKey.generateECDSA();
     const publicKey = privateKey.publicKey;
 
     // Assuming that the target shard and realm are known.

examples/account-allowance.js

@@ -40,9 +40,9 @@ async function main() {
 
     console.log("Generating accounts for example...");
 
-    const aliceKey = PrivateKey.generateED25519();
-    const bobKey = PrivateKey.generateED25519();
-    const charlieKey = PrivateKey.generateED25519();
+    const aliceKey = PrivateKey.generateECDSA();
+    const bobKey = PrivateKey.generateECDSA();
+    const charlieKey = PrivateKey.generateECDSA();
 
     try {
         let transaction = await new AccountCreateTransaction()

examples/account-create-with-hts.js

@@ -47,14 +47,13 @@ async function main() {
     const supplyKey = PrivateKey.generateECDSA();
     const freezeKey = PrivateKey.generateECDSA();
     const wipeKey = PrivateKey.generateECDSA();
-
     if (process.env.OPERATOR_ID == null || process.env.OPERATOR_KEY == null) {
         throw new Error(
             "Environment variables OPERATOR_ID, and OPERATOR_KEY are required.",
         );
     }
     const operatorId = AccountId.fromString(process.env.OPERATOR_ID);
-    const operatorKey = PrivateKey.fromStringDer(process.env.OPERATOR_KEY);
+    const operatorKey = PrivateKey.fromStringECDSA(process.env.OPERATOR_KEY);
 
     const nodes = {
         "127.0.0.1:50211": new AccountId(3),

examples/batch-tx.js

@@ -32,7 +32,7 @@ async function main() {
     }
 
     const operatorAccId = AccountId.fromString(process.env.OPERATOR_ID);
-    const operatorPrivKey = PrivateKey.fromStringED25519(
+    const operatorPrivKey = PrivateKey.fromStringECDSA(
         process.env.OPERATOR_KEY,
     );
 

examples/change-or-remove-token-keys.js

@@ -33,22 +33,22 @@ async function main() {
 
     // Configure client using environment variables
     const operatorId = AccountId.fromString(process.env.OPERATOR_ID);
-    const operatorKey = PrivateKey.fromStringED25519(process.env.OPERATOR_KEY);
+    const operatorKey = PrivateKey.fromStringECDSA(process.env.OPERATOR_KEY);
 
     const client = Client.forName(network).setOperator(operatorId, operatorKey);
 
     // Set logger
     const infoLogger = new Logger(LogLevel.Info);
     client.setLogger(infoLogger);
 
-    const adminKey = PrivateKey.generateED25519();
-    const supplyKey = PrivateKey.generateED25519();
-    const newSupplyKey = PrivateKey.generateED25519();
-    const wipeKey = PrivateKey.generateED25519();
-    const freezeKey = PrivateKey.generateED25519();
-    const pauseKey = PrivateKey.generateED25519();
-    const feeScheduleKey = PrivateKey.generateED25519();
-    const metadataKey = PrivateKey.generateED25519();
+    const adminKey = PrivateKey.generateECDSA();
+    const supplyKey = PrivateKey.generateECDSA();
+    const newSupplyKey = PrivateKey.generateECDSA();
+    const wipeKey = PrivateKey.generateECDSA();
+    const freezeKey = PrivateKey.generateECDSA();
+    const pauseKey = PrivateKey.generateECDSA();
+    const feeScheduleKey = PrivateKey.generateECDSA();
+    const metadataKey = PrivateKey.generateECDSA();
 
     // This HIP introduces ability to remove lower-privilege keys (Wipe, KYC, Freeze, Pause, Supply, Fee Schedule, Metadata) from a Token:
     // - using an update with the empty KeyList;

examples/contract-nonces.js

@@ -36,7 +36,7 @@ async function main() {
     try {
         const fileCreateTxResponse = await (
             await new FileCreateTransaction()
-                .setKeys([PrivateKey.fromStringDer(process.env.OPERATOR_KEY)])
+                .setKeys([PrivateKey.fromStringECDSA(process.env.OPERATOR_KEY)])
                 .setContents(SMART_CONTRACT_BYTECODE)
                 .setMaxTransactionFee(new Hbar(2))
                 .freezeWithSigner(wallet)
@@ -48,7 +48,9 @@ async function main() {
 
         const contractCreateTxResponse = await (
             await new ContractCreateTransaction()
-                .setAdminKey(PrivateKey.fromStringDer(process.env.OPERATOR_KEY))
+                .setAdminKey(
+                    PrivateKey.fromStringECDSA(process.env.OPERATOR_KEY),
+                )
                 .setGas(100000)
                 .setBytecodeFileId(newFileId)
                 .setContractMemo(

examples/create-account-with-alias-and-receiver-signature.js

@@ -15,7 +15,7 @@ dotenv.config();
 /*
 Reference: [HIP-583 Expand alias support in CryptoCreate & CryptoTransfer Transactions](https://hips.hedera.com/hip/hip-583)
     ## Example 1:
-    - Create an ECSDA private key and an ED25519 admin private key
+    - Create an ECSDA private key and an ECDSA admin private key
     - Extract the ECDSA public key
     - Extract the Ethereum public address
     - Use the `AccountCreateTransaction`
@@ -32,7 +32,7 @@ async function main() {
         );
     }
     const operatorId = AccountId.fromString(process.env.OPERATOR_ID);
-    const operatorKey = PrivateKey.fromStringDer(process.env.OPERATOR_KEY);
+    const operatorKey = PrivateKey.fromStringECDSA(process.env.OPERATOR_KEY);
 
     const nodes = {
         "127.0.0.1:50211": new AccountId(3),
@@ -47,9 +47,9 @@ async function main() {
         /**
          * Step 1
          *
-         * Create an ECSDA private key and an ED25519 admin private key
+         * Create an ECSDA private key and an ECDSA admin private key
          */
-        const adminKey = PrivateKey.generateED25519();
+        const adminKey = PrivateKey.generateECDSA();
         console.log(`Admin private key: ${adminKey.toStringDer()}`);
 
         const privateKey = PrivateKey.generateECDSA();

examples/create-account-with-alias.js

@@ -30,7 +30,7 @@ async function main() {
         );
     }
     const operatorId = AccountId.fromString(process.env.OPERATOR_ID);
-    const operatorKey = PrivateKey.fromStringDer(process.env.OPERATOR_KEY);
+    const operatorKey = PrivateKey.fromStringECDSA(process.env.OPERATOR_KEY);
 
     const nodes = {
         "127.0.0.1:50211": new AccountId(3),
@@ -193,7 +193,7 @@ async function main() {
          *
          * Create an account key and an ECSDA private alias key
          */
-        const key = PrivateKey.generateED25519();
+        const key = PrivateKey.generateECDSA();
         const aliasKey = PrivateKey.generateECDSA();
         console.log(`Alias key: ${aliasKey.toStringDer()}`);
 
@@ -341,7 +341,7 @@ async function main() {
          *
          * Create an account key and an derive an ECSDA public alias key
          */
-        const key = PrivateKey.generateED25519();
+        const key = PrivateKey.generateECDSA();
         const aliasKey = PrivateKey.generateECDSA();
         const publicAliasKey = aliasKey.publicKey;
 

examples/create-account-with-thresholdkey.js

@@ -33,7 +33,7 @@ async function main() {
     }
 
     const operatorId = AccountId.fromString(process.env.OPERATOR_ID);
-    const operatorKey = PrivateKey.fromStringED25519(process.env.OPERATOR_KEY);
+    const operatorKey = PrivateKey.fromStringECDSA(process.env.OPERATOR_KEY);
 
     //  Create the client based on the HEDERA_NETWORK environment variable
     const client = Client.forName(process.env.HEDERA_NETWORK);
@@ -56,7 +56,7 @@ async function main() {
         const privateKeys = [];
         const publicKeys = [];
         for (let i = 0; i < 3; i++) {
-            const key = PrivateKey.generateED25519();
+            const key = PrivateKey.generateECDSA();
             privateKeys.push(key);
             publicKeys.push(key.publicKey);
         }

examples/create-topic-with-revenue.js

@@ -31,7 +31,7 @@ async function main() {
     }
 
     const operatorId = AccountId.fromString(process.env.OPERATOR_ID);
-    const operatorKey = PrivateKey.fromStringDer(process.env.OPERATOR_KEY);
+    const operatorKey = PrivateKey.fromStringECDSA(process.env.OPERATOR_KEY);
 
     const client = Client.forName(process.env.HEDERA_NETWORK).setOperator(
         operatorId,

examples/create-update-delete-node.js

@@ -25,7 +25,7 @@ async function main() {
 
     const network = process.env.HEDERA_NETWORK;
     const operatorId = AccountId.fromString(process.env.OPERATOR_ID);
-    const operatorKey = PrivateKey.fromStringDer(process.env.OPERATOR_KEY);
+    const operatorKey = PrivateKey.fromStringECDSA(process.env.OPERATOR_KEY);
     const client = Client.forName(network).setOperator(operatorId, operatorKey);
 
     // Transaction parameters

examples/demo-umd/demo.html

@@ -37,7 +37,7 @@ <h1>Hiero UMD Builder</h1>
             <div class="json-container" ></div>
             <img src="bouncing-circles.svg" class="loading" />
             <div class="execute-notice">
-                You should use an ED25519 key for the operator. The network set
+                You should use an ECDSA key for the operator. The network set
                 is TESTNET.
             </span>
         </main>

examples/demo-umd/main.js

@@ -23,7 +23,7 @@ function executeTx() {
 
     // setup client and operator
     const operatorId = sdk.AccountId.fromString(operatorIdValue);
-    const operatorKey = sdk.PrivateKey.fromStringED25519(operatorKeyValue);
+    const operatorKey = sdk.PrivateKey.fromStringECDSA(operatorKeyValue);
     const client = sdk.Client.forTestnet().setOperator(operatorId, operatorKey);
 
     // start loading until the query is executed

examples/ecrecover-example.js

@@ -38,7 +38,7 @@ async function main() {
     }
 
     const operatorId = AccountId.fromString(process.env.OPERATOR_ID);
-    const operatorKey = PrivateKey.fromStringDer(process.env.OPERATOR_KEY);
+    const operatorKey = PrivateKey.fromStringECDSA(process.env.OPERATOR_KEY);
     const client = Client.forLocalNode().setOperator(operatorId, operatorKey);
 
     console.log(`Operator account: ${operatorId.toString()}`);

examples/ecrecover-mirror-node-example.js

@@ -33,7 +33,7 @@ async function main() {
     }
 
     const operatorId = AccountId.fromString(process.env.OPERATOR_ID);
-    const operatorKey = PrivateKey.fromStringDer(process.env.OPERATOR_KEY);
+    const operatorKey = PrivateKey.fromStringECDSA(process.env.OPERATOR_KEY);
     const client = Client.forLocalNode().setOperator(operatorId, operatorKey);
 
     console.log(`Operator account: ${operatorId.toString()}`);

examples/error-handling-example.js

@@ -32,12 +32,12 @@ async function main() {
     }
 
     const operatorId = AccountId.fromString(process.env.OPERATOR_ID);
-    const operatorKey = PrivateKey.fromStringED25519(process.env.OPERATOR_KEY);
+    const operatorKey = PrivateKey.fromStringECDSA(process.env.OPERATOR_KEY);
 
     const client = Client.forName(process.env.HEDERA_NETWORK);
     client.setOperator(operatorId, operatorKey);
 
-    const newKey = PrivateKey.generateED25519();
+    const newKey = PrivateKey.generateECDSA();
     console.log(`Generated new public key: ${newKey.publicKey.toString()}`);
     let accountId = null;
 

examples/error-handling-single-node-execution.js

@@ -33,7 +33,7 @@ async function main() {
     }
 
     const operatorId = AccountId.fromString(process.env.OPERATOR_ID);
-    const operatorKey = PrivateKey.fromStringED25519(process.env.OPERATOR_KEY);
+    const operatorKey = PrivateKey.fromStringECDSA(process.env.OPERATOR_KEY);
 
     const client = Client.forName(process.env.HEDERA_NETWORK);
     client.setOperator(operatorId, operatorKey);

examples/exempt-custom-fees.js

@@ -44,7 +44,7 @@ async function main() {
     }
     // Configure accounts and client, and generate needed keys
     const operatorId = AccountId.fromString(process.env.OPERATOR_ID);
-    const operatorKey = PrivateKey.fromStringDer(process.env.OPERATOR_KEY);
+    const operatorKey = PrivateKey.fromStringECDSA(process.env.OPERATOR_KEY);
 
     const provider = new LocalProvider();
 
@@ -58,7 +58,7 @@ async function main() {
      * Create accounts A, B, and C
      */
 
-    let firstAccountPrivateKey = PrivateKey.generateED25519();
+    let firstAccountPrivateKey = PrivateKey.generateECDSA();
     let firstAccountPublicKey = firstAccountPrivateKey.publicKey;
 
     let createAccountAtx = await new AccountCreateTransaction()
@@ -77,7 +77,7 @@ async function main() {
         provider,
     );
 
-    let secondAccountPrivateKey = PrivateKey.generateED25519();
+    let secondAccountPrivateKey = PrivateKey.generateECDSA();
     let secondAccountPublicKey = secondAccountPrivateKey.publicKey;
 
     let createAccountBtx = await new AccountCreateTransaction()
@@ -96,7 +96,7 @@ async function main() {
         provider,
     );
 
-    let thirdAccountPrivateKey = PrivateKey.generateED25519();
+    let thirdAccountPrivateKey = PrivateKey.generateECDSA();
     let thirdAccountPublicKey = thirdAccountPrivateKey.publicKey;
 
     let createAccountCtx = await new AccountCreateTransaction()

examples/frontend-examples/src/app/client/async-client/page.js

@@ -56,7 +56,9 @@ const ClientProvider = ({ children }) => {
             // Set operator for the client
             newClient.setOperator(
                 AccountId.fromString(process.env.NEXT_PUBLIC_OPERATOR_ID),
-                PrivateKey.fromStringDer(process.env.NEXT_PUBLIC_OPERATOR_KEY),
+                PrivateKey.fromStringECDSA(
+                    process.env.NEXT_PUBLIC_OPERATOR_KEY,
+                ),
             );
 
             setClient(newClient);
@@ -176,7 +178,7 @@ const AsyncClientDemo = () => {
 
         setIsActionLoading(true);
         try {
-            const privateKey = PrivateKey.generateED25519();
+            const privateKey = PrivateKey.generateECDSA();
             const publicKey = privateKey.publicKey;
 
             const transaction = await new AccountCreateTransaction()

examples/frontend-examples/src/app/client/grpc-web-proxy/page.js

@@ -41,7 +41,7 @@ const Home = () => {
     const client = useMemo(() => {
         return WebClient.forNetwork(initialNetwork).setOperator(
             AccountId.fromString(process.env.NEXT_PUBLIC_OPERATOR_ID),
-            PrivateKey.fromStringDer(process.env.NEXT_PUBLIC_OPERATOR_KEY),
+            PrivateKey.fromStringECDSA(process.env.NEXT_PUBLIC_OPERATOR_KEY),
         );
     }, []);
 
@@ -80,7 +80,7 @@ const Home = () => {
         setIsLoading(true);
         try {
             console.log(client.network);
-            const privateKey = PrivateKey.generateED25519();
+            const privateKey = PrivateKey.generateECDSA();
             const publicKey = privateKey.publicKey;
 
             const transaction = await new AccountCreateTransaction()

examples/frontend-examples/src/app/components/TopicListener.js

@@ -1,5 +1,5 @@
 import EventEmitter from "events";
-import { useEffect, useState } from "react";
+import { useEffect, useState, useRef } from "react";
 
 const TopicListener = ({ topicId }) => {
     const [messages, setMessages] = useState([]);

examples/frontend-examples/src/app/topic/message-query/page.js

@@ -22,7 +22,7 @@ const MessageQueryPage = () => {
 
     // Setup Hedera client
     const accountId = AccountId.fromString(process.env.NEXT_PUBLIC_OPERATOR_ID);
-    const operatorKey = PrivateKey.fromStringED25519(
+    const operatorKey = PrivateKey.fromStringECDSA(
         process.env.NEXT_PUBLIC_OPERATOR_KEY,
     );
     const client = Client.forTestnet().setOperator(accountId, operatorKey);

examples/frontend-examples/src/app/transaction/jumbo/page.js

@@ -32,7 +32,7 @@ const JumboPage = () => {
     const operatorId = AccountId.fromString(
         process.env.NEXT_PUBLIC_OPERATOR_ID,
     );
-    const operatorKey = PrivateKey.fromStringED25519(
+    const operatorKey = PrivateKey.fromStringECDSA(
         process.env.NEXT_PUBLIC_OPERATOR_KEY,
     );
     const [contractId, setContractId] = useState("0.0.6255191");

examples/frontend-examples/src/app/transaction/size/page.js

@@ -18,7 +18,7 @@ const Home = () => {
 
     const client = WebClient.forTestnet().setOperator(
         AccountId.fromString(process.env.NEXT_PUBLIC_OPERATOR_ID),
-        PrivateKey.fromStringDer(process.env.NEXT_PUBLIC_OPERATOR_KEY),
+        PrivateKey.fromStringECDSA(process.env.NEXT_PUBLIC_OPERATOR_KEY),
     );
 
     return (
@@ -48,7 +48,7 @@ const Home = () => {
                         const tx = new AccountCreateTransaction();
                         if (key) {
                             tx.setKeyWithoutAlias(
-                                PublicKey.fromStringED25519(key),
+                                PublicKey.fromStringECDSA(key),
                             );
                         }
                         if (initialBalance) {