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Merge pull request #115 from BitGo/zksync-wallet
Zksync wallet
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| @@ -0,0 +1,57 @@ | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| pragma solidity 0.8.20; | ||
| import '../Forwarder.sol'; | ||
| import '../ERC20Interface.sol'; | ||
| import '../WalletSimple.sol'; | ||
|
|
||
| /** | ||
| * | ||
| * WalletSimple | ||
| * ============ | ||
| * | ||
| * Basic multi-signer wallet designed for use in a co-signing environment where 2 signatures are required to move funds. | ||
| * Typically used in a 2-of-3 signing configuration. Uses ecrecover to allow for 2 signatures in a single transaction. | ||
| * | ||
| * The first signature is created on the operation hash (see Data Formats) and passed to sendMultiSig/sendMultiSigToken | ||
| * The signer is determined by verifyMultiSig(). | ||
| * | ||
| * The second signature is created by the submitter of the transaction and determined by msg.signer. | ||
| * | ||
| * Data Formats | ||
| * ============ | ||
| * | ||
| * The signature is created with ethereumjs-util.ecsign(operationHash). | ||
| * Like the eth_sign RPC call, it packs the values as a 65-byte array of [r, s, v]. | ||
| * Unlike eth_sign, the message is not prefixed. | ||
| * | ||
| * The operationHash the result of keccak256(prefix, toAddress, value, data, expireTime). | ||
| * For ether transactions, `prefix` is chain id of the coin i.e. for zkSync mainnet it is "324" | ||
| * For token transaction, `prefix` is "324-ERC20" and `data` is the tokenContractAddress. | ||
| * | ||
| * | ||
| */ | ||
| contract ZkethWalletSimple is WalletSimple { | ||
| /** | ||
| * Get the network identifier that signers must sign over | ||
| * This provides protection signatures being replayed on other chains | ||
| */ | ||
| function getNetworkId() internal view override returns (string memory) { | ||
| return Strings.toString(block.chainid); | ||
| } | ||
|
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||
| /** | ||
| * Get the network identifier that signers must sign over for token transfers | ||
| * This provides protection signatures being replayed on other chains | ||
| */ | ||
| function getTokenNetworkId() internal view override returns (string memory) { | ||
| return string.concat(Strings.toString(block.chainid), '-ERC20'); | ||
| } | ||
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| /** | ||
| * Get the network identifier that signers must sign over for batch transfers | ||
| * This provides protection signatures being replayed on other chains | ||
| */ | ||
| function getBatchNetworkId() internal view override returns (string memory) { | ||
| return string.concat(Strings.toString(block.chainid), '-Batch'); | ||
| } | ||
| } |
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