feat(cactus-plugin-ledger-connector-ethereum): add signing utils

- Add methods for signing transactions to ethereum connector. - Modify offline signing test to use this new method. - Modify electricity trade sample to use new signing method. - Add offline signature section to ethereum connector readme. Co-authored-by: Peter Somogyvari <peter.somogyvari@accenture.com> Signed-off-by: Michal Bajer <michal.bajer@fujitsu.com> Signed-off-by: Peter Somogyvari <peter.somogyvari@accenture.com>
hyperledger-cacti · Oct 16, 2023 · 84c5b34 · 84c5b34
1 parent 814991c
commit 84c5b34
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diff --git a/examples/cactus-example-electricity-trade/BusinessLogicElectricityTrade.ts b/examples/cactus-example-electricity-trade/BusinessLogicElectricityTrade.ts
@@ -126,7 +126,7 @@ export class BusinessLogicElectricityTrade extends BusinessLogicBase {
       {
         to: accountInfo["toAddress"],
         value: Number(transactionSubset["Value"]),
-        gas: config.electricityTradeInfo.ethereum.gas,
+        gasLimit: config.electricityTradeInfo.ethereum.gas,
       },
       accountInfo["fromAddress"],
       accountInfo["fromAddressPkey"],

diff --git a/examples/cactus-example-electricity-trade/TransactionEthereum.ts b/examples/cactus-example-electricity-trade/TransactionEthereum.ts
@@ -5,11 +5,11 @@
  * transaction-ethereum.ts
  */
 
+import { ConfigUtil } from "@hyperledger/cactus-cmd-socketio-server";
 import {
-  ConfigUtil,
-  TransactionSigner,
-} from "@hyperledger/cactus-cmd-socketio-server";
-import { Web3SigningCredentialType } from "@hyperledger/cactus-plugin-ledger-connector-ethereum";
+  Web3SigningCredentialType,
+  signTransaction,
+} from "@hyperledger/cactus-plugin-ledger-connector-ethereum";
 
 const config: any = ConfigUtil.getConfig();
 import { getLogger } from "log4js";
@@ -37,9 +37,15 @@ export async function sendEthereumTransaction(
   }
   logger.debug("sendEthereumTransaction", transaction);
 
-  const { serializedTx, txId } = TransactionSigner.signTxEthereum(
+  const { serializedTransactionHex, txId } = signTransaction(
     transaction,
     privateKey,
+    {
+      name: config.signTxInfo.ethereum.chainName,
+      chainId: config.signTxInfo.ethereum.chainID,
+      networkId: config.signTxInfo.ethereum.networkID,
+      defaultHardfork: config.signTxInfo.ethereum.defaultHardfork,
+    },
   );
   logger.info("Sending ethereum transaction with ID", txId);
 
@@ -48,7 +54,7 @@ export async function sendEthereumTransaction(
       type: Web3SigningCredentialType.None,
     },
     transactionConfig: {
-      rawTransaction: serializedTx,
+      rawTransaction: serializedTransactionHex,
     },
   });
 }

diff --git a/examples/cactus-example-electricity-trade/config/usersetting.yaml b/examples/cactus-example-electricity-trade/config/usersetting.yaml
@@ -6,6 +6,13 @@ blpRegistry:
 
 logLevel: debug
 
+signTxInfo:
+  ethereum:
+    chainName: geth1
+    networkID: 10
+    chainID: 10
+    defaultHardfork: petersburg
+
 appRouters:
   -
     path: /api/v1/bl/electricity-trade/

diff --git a/examples/cactus-example-electricity-trade/config/validator-registry-config.yaml b/examples/cactus-example-electricity-trade/config/validator-registry-config.yaml
@@ -13,11 +13,3 @@ ledgerPluginInfo:
     ledgerInfo:
       ledgerAbstract: Sawtooth Ledger
     apiInfo: []
-
-signTxInfo:
-  ethereum:
-    chainName: geth1
-    networkID: 10
-    chainID: 10
-    network: mainnet
-    hardfork: petersburg
diff --git a/packages/cactus-plugin-ledger-connector-ethereum/README.md b/packages/cactus-plugin-ledger-connector-ethereum/README.md
@@ -147,6 +147,74 @@ args: {
 },
 ```
 
+### Offline signing utils
+- Use `signTransaction` from this package to sign transactions payload locally (outside of connector process).
+- Offline signed transaction can be send with `Web3SigningCredentialType.None` signing credetnial type in runTransactionV1 endpoint.
+
+``` typescript
+// Offline sign transaction
+const { serializedTransactionHex } = signTransaction(
+  {
+    to: anotherAccount,
+    value: 10e6,
+    maxPriorityFeePerGas: 0,
+    maxFeePerGas: 0x40000000,
+    gasLimit: 21000,
+    type: 2
+  },
+  myPrivateKey,
+  {
+    networkId: 10,
+    chainId: 10,
+    defaultHardfork: "london",
+  },
+);
+
+// Send transaction payload to connector
+await apiClient.runTransactionV1({
+  web3SigningCredential: {
+    type: Web3SigningCredentialType.None,
+  },
+  transactionConfig: {
+    rawTransaction: serializedTransactionHex,
+  },
+});
+```
+
+### Offline signing utils
+- Use `signTransaction` from this package to sign transactions payload locally (outside of connector process).
+- Offline signed transaction can be send with `Web3SigningCredentialType.None` signing credetnial type in runTransactionV1 endpoint.
+
+``` typescript
+// Offline sign transaction
+const { serializedTransactionHex } = signTransaction(
+  {
+    to: anotherAccount,
+    value: 10e6,
+    maxPriorityFeePerGas: 0,
+    maxFeePerGas: 0x40000000,
+    gasLimit: 21000,
+    type: 2
+  },
+  myPrivateKey,
+  {
+    networkId: 10,
+    chainId: 10,
+    defaultHardfork: "london",
+  },
+);
+
+// Send transaction payload to connector
+await apiClient.runTransactionV1({
+  web3SigningCredential: {
+    type: Web3SigningCredentialType.None,
+  },
+  transactionConfig: {
+    rawTransaction: serializedTransactionHex,
+  },
+});
+```
+
 ## JSON-RPC Proxy
 - Connector can be used with web3js to send any JSON-RPC request to the ethereum node.
 

diff --git a/packages/cactus-plugin-ledger-connector-ethereum/package.json b/packages/cactus-plugin-ledger-connector-ethereum/package.json
@@ -65,6 +65,8 @@
     "webpack:dev:web": "webpack --env=dev --target=web --config ../../webpack.config.js"
   },
   "dependencies": {
+    "@ethereumjs/common": "4.0.0",
+    "@ethereumjs/tx": "5.0.0",
     "@hyperledger/cactus-common": "2.0.0-alpha.2",
     "@hyperledger/cactus-core": "2.0.0-alpha.2",
     "@hyperledger/cactus-core-api": "2.0.0-alpha.2",

diff --git a/packages/cactus-plugin-ledger-connector-ethereum/src/main/typescript/public-api.ts b/packages/cactus-plugin-ledger-connector-ethereum/src/main/typescript/public-api.ts
@@ -5,6 +5,8 @@ export {
   IPluginLedgerConnectorEthereumOptions,
 } from "./plugin-ledger-connector-ethereum";
 
+export * from "./sign-utils";
+
 export * from "./types/model-type-guards";
 
 export { PluginFactoryLedgerConnector } from "./plugin-factory-ledger-connector";

diff --git a/packages/cactus-plugin-ledger-connector-ethereum/src/main/typescript/sign-utils.ts b/packages/cactus-plugin-ledger-connector-ethereum/src/main/typescript/sign-utils.ts
@@ -0,0 +1,59 @@
+import { Chain, Common } from "@ethereumjs/common";
+import {
+  AccessListEIP2930Transaction,
+  BlobEIP4844Transaction,
+  FeeMarketEIP1559Transaction,
+  LegacyTransaction,
+  TransactionFactory,
+  TypedTxData,
+} from "@ethereumjs/tx";
+
+type CustomChainArg = Parameters<typeof Common.custom>[0];
+
+/**
+ * Sign ethereum transaction data offline. Can be used with both mainnet and custom chains.
+ *
+ * @param txData transaction data (format must be compatible with @ethereumjs/tx)
+ * @param privateKey HEX private signing key
+ * @param customChainInfo optional custom chain information (default: mainnet)
+ *
+ * @returns serialized transaction, txId (hash) and signedTransaction object
+ */
+export function signTransaction(
+  txData: TypedTxData,
+  privateKey: string,
+  customChainInfo?: CustomChainArg,
+): {
+  serializedTransactionHex: string;
+  txId: string;
+  signedTransactionObject:
+    | LegacyTransaction
+    | AccessListEIP2930Transaction
+    | FeeMarketEIP1559Transaction
+    | BlobEIP4844Transaction;
+} {
+  let chainConfiguration = new Common({ chain: Chain.Mainnet });
+  if (customChainInfo) {
+    chainConfiguration = Common.custom(customChainInfo);
+  }
+
+  const transaction = TransactionFactory.fromTxData(txData, {
+    common: chainConfiguration,
+  });
+  if (privateKey.toLowerCase().startsWith("0x")) {
+    privateKey = privateKey.slice(2);
+  }
+  const signedTransaction = transaction.sign(Buffer.from(privateKey, "hex"));
+
+  const hash = signedTransaction.hash();
+  const txId = "0x" + Buffer.from(hash).toString("hex");
+  const serializedTransaction = signedTransaction.serialize();
+  const serializedTransactionHex =
+    "0x" + Buffer.from(serializedTransaction).toString("hex");
+
+  return {
+    serializedTransactionHex,
+    txId,
+    signedTransactionObject: signedTransaction,
+  };
+}
diff --git a/...src/test/typescript/integration/geth-contract-deploy-and-invoke-using-keychain-v1.test.ts b/...src/test/typescript/integration/geth-contract-deploy-and-invoke-using-keychain-v1.test.ts
@@ -46,6 +46,7 @@ import {
   InvokeContractV1Request,
   DeployContractV1Request,
   ContractKeychainDefinition,
+  signTransaction,
 } from "../../../main/typescript/public-api";
 import { K_CACTI_ETHEREUM_TOTAL_TX_COUNT } from "../../../main/typescript/prometheus-exporter/metrics";
 
@@ -348,13 +349,12 @@ describe("Ethereum contract deploy and invoke using keychain tests", () => {
     expect(invokeGetNameOut.data.callOutput).toBe(newName);
   });
 
-  test("invoke Web3SigningCredentialType.NONE", async () => {
+  test("invoke Web3SigningCredentialType.None", async () => {
     const testEthAccount2 = web3.eth.accounts.create();
 
     const value = 10e6;
-    const { rawTransaction } = await web3.eth.accounts.signTransaction(
+    const { serializedTransactionHex } = signTransaction(
       {
-        from: testEthAccount.address,
         to: testEthAccount2.address,
         value,
         maxPriorityFeePerGas: 0,
@@ -363,14 +363,19 @@ describe("Ethereum contract deploy and invoke using keychain tests", () => {
         type: 2,
       },
       testEthAccount.privateKey,
+      {
+        networkId: 10,
+        chainId: 10,
+        defaultHardfork: "london",
+      },
     );
 
     await apiClient.runTransactionV1({
       web3SigningCredential: {
         type: Web3SigningCredentialType.None,
       },
       transactionConfig: {
-        rawTransaction,
+        rawTransaction: serializedTransactionHex,
       },
     });
 

diff --git a/yarn.lock b/yarn.lock
@@ -4335,6 +4335,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@ethereumjs/common@npm:4.0.0, @ethereumjs/common@npm:^4.0.0":
+  version: 4.0.0
+  resolution: "@ethereumjs/common@npm:4.0.0"
+  dependencies:
+    "@ethereumjs/util": ^9.0.0
+    crc: ^4.3.2
+  checksum: 3fa2f6a55ff5a2406241fc1ffbdc6f60cfa139edaf9afac2164d25ca35e31a0d2901de40a517f42e5a466aab316f9187c5b787f33f3260e746b13209c910c67f
+  languageName: node
+  linkType: hard
+
 "@ethereumjs/common@npm:^2.3.0, @ethereumjs/common@npm:^2.4.0, @ethereumjs/common@npm:^2.6.1":
   version: 2.6.2
   resolution: "@ethereumjs/common@npm:2.6.2"
@@ -4374,6 +4384,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@ethereumjs/rlp@npm:^5.0.0":
+  version: 5.0.0
+  resolution: "@ethereumjs/rlp@npm:5.0.0"
+  bin:
+    rlp: bin/rlp
+  checksum: 86d42f88945f25fc2874f80efc4d4c37cc85fc375920134392b658c0140346fb22b815e73680b87d1fea3ae55ad6ca42ea9fec7150583be496577b01bffb9e58
+  languageName: node
+  linkType: hard
+
 "@ethereumjs/tx@npm:3.3.2":
   version: 3.3.2
   resolution: "@ethereumjs/tx@npm:3.3.2"
@@ -4384,6 +4403,23 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@ethereumjs/tx@npm:5.0.0":
+  version: 5.0.0
+  resolution: "@ethereumjs/tx@npm:5.0.0"
+  dependencies:
+    "@ethereumjs/common": ^4.0.0
+    "@ethereumjs/rlp": ^5.0.0
+    "@ethereumjs/util": ^9.0.0
+    ethereum-cryptography: ^2.1.2
+  peerDependencies:
+    c-kzg: ^2.1.0
+  peerDependenciesMeta:
+    c-kzg:
+      optional: true
+  checksum: 1f642781cca8251fb036ef9b77e95c8e3e8e7b1996d295e01f9875a581ccf25fa38eea270d032a8ab4cb1b6d716b50496b7400ccc37875b896912e6fd0300de8
+  languageName: node
+  linkType: hard
+
 "@ethereumjs/tx@npm:^3.2.1":
   version: 3.5.0
   resolution: "@ethereumjs/tx@npm:3.5.0"
@@ -4415,6 +4451,21 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@ethereumjs/util@npm:^9.0.0":
+  version: 9.0.0
+  resolution: "@ethereumjs/util@npm:9.0.0"
+  dependencies:
+    "@ethereumjs/rlp": ^5.0.0
+    ethereum-cryptography: ^2.1.2
+  peerDependencies:
+    c-kzg: ^2.1.0
+  peerDependenciesMeta:
+    c-kzg:
+      optional: true
+  checksum: c0e2a50aac614a8167df060f0fe6d7b9805adebd83df81a26b596c92eb76454e2e6f25d8f5b9e49cb629355020a8a07feb4d6c1b8238990dcf82e256153bf328
+  languageName: node
+  linkType: hard
+
 "@ethersproject/abi@npm:5.0.7":
   version: 5.0.7
   resolution: "@ethersproject/abi@npm:5.0.7"
@@ -6475,6 +6526,8 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@hyperledger/cactus-plugin-ledger-connector-ethereum@workspace:packages/cactus-plugin-ledger-connector-ethereum"
   dependencies:
+    "@ethereumjs/common": 4.0.0
+    "@ethereumjs/tx": 5.0.0
     "@hyperledger/cactus-common": 2.0.0-alpha.2
     "@hyperledger/cactus-core": 2.0.0-alpha.2
     "@hyperledger/cactus-core-api": 2.0.0-alpha.2
@@ -17341,6 +17394,18 @@ __metadata:
   languageName: node
   linkType: hard
 
+"crc@npm:^4.3.2":
+  version: 4.3.2
+  resolution: "crc@npm:4.3.2"
+  peerDependencies:
+    buffer: ">=6.0.3"
+  peerDependenciesMeta:
+    buffer:
+      optional: true
+  checksum: 8231cc25331727083ffd22da3575110fc49b4dc8725de973bd43261d4426aba134ed3a75cc247f7c5e97a6e171f87dffc3325b82890e86d032de2e6bcef09c32
+  languageName: node
+  linkType: hard
+
 "create-ecdh@npm:^4.0.0":
   version: 4.0.4
   resolution: "create-ecdh@npm:4.0.4"