Win 1423 update v4 contracts arbeth opeth

contracts/WalletSimple.sol

@@ -7,6 +7,7 @@ import './IForwarder.sol';
 /** ERC721, ERC1155 imports */
 import '@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol';
 import '@openzeppelin/contracts/token/ERC1155/utils/ERC1155Receiver.sol';
+import '@openzeppelin/contracts/utils/Strings.sol';
 
 /**
  *
@@ -29,8 +30,8 @@ import '@openzeppelin/contracts/token/ERC1155/utils/ERC1155Receiver.sol';
  * Unlike eth_sign, the message is not prefixed.
  *
  * The operationHash the result of keccak256(prefix, toAddress, value, data, expireTime).
- * For ether transactions, `prefix` is "ETHER".
- * For token transaction, `prefix` is "ERC20" and `data` is the tokenContractAddress.
+ * For ether transactions, `prefix` is chain id of the coin i.e. for eth mainnet it is "1".
+ * For token transaction, `prefix` is chain id + "-ERC20" i.e. for mainnet it is "1-ERC20" and `data` is the tokenContractAddress.
  *
  *
  */
@@ -93,8 +94,8 @@ contract WalletSimple is IERC721Receiver, ERC1155Receiver {
    *    to allow this contract to be used by proxy with delegatecall, which will
    *    not pick up on state variables
    */
-  function getNetworkId() internal pure virtual returns (string memory) {
-    return 'ETHER';
+  function getNetworkId() internal view virtual returns (string memory) {
+    return Strings.toString(block.chainid);
   }
 
   /**
@@ -105,8 +106,8 @@ contract WalletSimple is IERC721Receiver, ERC1155Receiver {
    *    to allow this contract to be used by proxy with delegatecall, which will
    *    not pick up on state variables
    */
-  function getTokenNetworkId() internal pure virtual returns (string memory) {
-    return 'ERC20';
+  function getTokenNetworkId() internal view virtual returns (string memory) {
+    return string.concat(Strings.toString(block.chainid), '-ERC20');
   }
 
   /**
@@ -117,8 +118,8 @@ contract WalletSimple is IERC721Receiver, ERC1155Receiver {
    *    to allow this contract to be used by proxy with delegatecall, which will
    *    not pick up on state variables
    */
-  function getBatchNetworkId() internal pure virtual returns (string memory) {
-    return 'ETHER-Batch';
+  function getBatchNetworkId() internal view virtual returns (string memory) {
+    return string.concat(Strings.toString(block.chainid), '-Batch');
   }
 
   /**

contracts/coins/ArbethWalletSimple.sol

@@ -25,8 +25,8 @@ import '../WalletSimple.sol';
  * Unlike eth_sign, the message is not prefixed.
  *
  * The operationHash the result of keccak256(prefix, toAddress, value, data, expireTime).
- * For ether transactions, `prefix` is "ARBETH".
- * For token transaction, `prefix` is "ARBETH-ERC20" and `data` is the tokenContractAddress.
+ * For ether transactions, `prefix` is chain id of the coin i.e. for arbitrum mainnet it is "42161"
+ * For token transaction, `prefix` is "42161-ERC20" and `data` is the tokenContractAddress.
  *
  *
  */
@@ -35,23 +35,23 @@ contract ArbethWalletSimple is WalletSimple {
    * Get the network identifier that signers must sign over
    * This provides protection signatures being replayed on other chains
    */
-  function getNetworkId() internal override pure returns (string memory) {
-    return 'ARBETH';
+  function getNetworkId() internal override view returns (string memory) {
+    return Strings.toString(block.chainid);
   }
 
   /**
    * Get the network identifier that signers must sign over for token transfers
    * This provides protection signatures being replayed on other chains
    */
-  function getTokenNetworkId() internal override pure returns (string memory) {
-    return 'ARBETH-ERC20';
+  function getTokenNetworkId() internal override view returns (string memory) {
+    return string.concat(Strings.toString(block.chainid), '-ERC20');
   }
 
   /**
    * Get the network identifier that signers must sign over for batch transfers
    * This provides protection signatures being replayed on other chains
    */
-  function getBatchNetworkId() internal override pure returns (string memory) {
-    return 'ARBETH-Batch';
+  function getBatchNetworkId() internal override view returns (string memory) {
+    return string.concat(Strings.toString(block.chainid), '-Batch');
   }
 }

contracts/coins/OpethWalletSimple.sol

@@ -25,8 +25,8 @@ import '../WalletSimple.sol';
  * Unlike eth_sign, the message is not prefixed.
  *
  * The operationHash the result of keccak256(prefix, toAddress, value, data, expireTime).
- * For ether transactions, `prefix` is "OPETH".
- * For token transaction, `prefix` is "OPETH-ERC20" and `data` is the tokenContractAddress.
+ * For ether transactions, `prefix` is chain id of the coin i.e. for optimism mainnet it is "10"
+ * For token transaction, `prefix` is "10-ERC20" and `data` is the tokenContractAddress.
  *
  *
  */
@@ -35,23 +35,23 @@ contract OpethWalletSimple is WalletSimple {
    * Get the network identifier that signers must sign over
    * This provides protection signatures being replayed on other chains
    */
-  function getNetworkId() internal override pure returns (string memory) {
-    return 'OPETH';
+  function getNetworkId() internal override view returns (string memory) {
+    return Strings.toString(block.chainid);
   }
 
   /**
    * Get the network identifier that signers must sign over for token transfers
    * This provides protection signatures being replayed on other chains
    */
-  function getTokenNetworkId() internal override pure returns (string memory) {
-    return 'OPETH-ERC20';
+  function getTokenNetworkId() internal override view returns (string memory) {
+    return string.concat(Strings.toString(block.chainid), '-ERC20');
   }
 
   /**
    * Get the network identifier that signers must sign over for batch transfers
    * This provides protection signatures being replayed on other chains
    */
-  function getBatchNetworkId() internal override pure returns (string memory) {
-    return 'OPETH-Batch';
+  function getBatchNetworkId() internal override view returns (string memory) {
+    return string.concat(Strings.toString(block.chainid), '-Batch');
   }
 }

test/gas.js

@@ -90,8 +90,9 @@ describe(`Wallet Operations Gas Usage`, function () {
       value: amount
     });
 
+    // By default the chain id of hardhat network is 31337
     const operationHash = helpers.getSha3ForConfirmationTx(
-      'ETHER',
+      '31337',
       destinationAccount,
       amount,
       data,
@@ -120,7 +121,7 @@ describe(`Wallet Operations Gas Usage`, function () {
       .eq(destinationEndBalance)
       .should.be.true();
 
-    checkGasUsed(99555, transaction.receipt.gasUsed);
+    checkGasUsed(100585, transaction.receipt.gasUsed);
   });
 
   const sendBatchHelper = async (batchSize) => {
@@ -147,8 +148,9 @@ describe(`Wallet Operations Gas Usage`, function () {
     });
 
     // Get the operation hash to be signed
+    // By default the chain id of hardhat network is 31337
     const operationHash = helpers.getSha3ForBatchTx(
-      'ETHER-Batch',
+      '31337-Batch',
       recipients.map((recipient) => recipient.address.toLowerCase()),
       recipients.map((recipient) => recipient.amount),
       expireTime,
@@ -178,8 +180,8 @@ describe(`Wallet Operations Gas Usage`, function () {
 
   it('WalletSimple send batch [ @skip-on-coverage ]', async function () {
     const gasUsageByBatchSize = [
-      101810, 113113, 124451, 135753, 147126, 158442, 169709, 181023, 192338,
-      203641
+      103386, 114701, 126027, 137341, 148655, 159971, 171285, 182599, 193902,
+      205205
     ];
 
     for (let batchSize = 1; batchSize <= 10; batchSize++) {

test/walletFactory.js

@@ -96,8 +96,9 @@ describe('WalletFactory', function () {
 
     // Get the operation hash to be signed
     const expireTime = Math.floor(new Date().getTime() / 1000) + 60;
+    // By default the chain id of hardhat network is 31337
     const operationHash = helpers.getSha3ForConfirmationTx(
-      'ETHER',
+      '31337',
       accounts[3].toLowerCase(),
       amount,
       '0x',

test/walletSimple.js

@@ -46,12 +46,13 @@ const FORWARDER_DEPOSITED_EVENT = 'ForwarderDeposited';
 const TRANSACTED_EVENT = 'Transacted';
 const SAFE_MODE_ACTIVATE_EVENT = 'SafeModeActivated';
 
+// By default the chain id of hardhat network is 31337
 const coins = [
   {
     name: 'Eth',
-    nativePrefix: 'ETHER',
-    nativeBatchPrefix: 'ETHER-Batch',
-    tokenPrefix: 'ERC20',
+    nativePrefix: '31337',
+    nativeBatchPrefix: '31337-Batch',
+    tokenPrefix: '31337-ERC20',
     WalletSimple: EthWalletSimple
   },
   {
@@ -84,16 +85,16 @@ const coins = [
   },
   {
     name: 'Arbeth',
-    nativePrefix: 'ARBETH',
-    nativeBatchPrefix: 'ARBETH-Batch',
-    tokenPrefix: 'ARBETH-ERC20',
+    nativePrefix: '31337',
+    nativeBatchPrefix: '31337-Batch',
+    tokenPrefix: '31337-ERC20',
     WalletSimple: ArbethWalletSimple
   },
   {
     name: 'Opeth',
-    nativePrefix: 'OPETH',
-    nativeBatchPrefix: 'OPETH-Batch',
-    tokenPrefix: 'OPETH-ERC20',
+    nativePrefix: '31337',
+    nativeBatchPrefix: '31337-Batch',
+    tokenPrefix: '31337-ERC20',
     WalletSimple: OpethWalletSimple
   }
 ];