61 lines
2.0 KiB
JavaScript
61 lines
2.0 KiB
JavaScript
#!/usr/bin/env node
|
|
/**
|
|
* Verify that WETH9 at 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2 on Chain 138
|
|
* has the same bytecode as canonical WETH9 on Ethereum mainnet.
|
|
* Compares keccak256(code); if equal, the contract is canonical WETH9.
|
|
* Also outputs fingerprint (symbol, name, decimals) for bot/executor startup checks.
|
|
* See docs/treasury: do not assume canonical WETH9 until this (or verify-weth9-fingerprint.js) passes.
|
|
*/
|
|
|
|
const ethers = require('ethers');
|
|
|
|
const WETH9_ADDRESS = '0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2';
|
|
const RPC_138 = 'https://rpc-http-pub.d-bis.org';
|
|
const RPC_MAINNET = 'https://eth.llamarpc.com';
|
|
|
|
async function getCode(rpcUrl) {
|
|
const res = await fetch(rpcUrl, {
|
|
method: 'POST',
|
|
headers: { 'Content-Type': 'application/json' },
|
|
body: JSON.stringify({
|
|
jsonrpc: '2.0',
|
|
method: 'eth_getCode',
|
|
params: [WETH9_ADDRESS, 'latest'],
|
|
id: 1,
|
|
}),
|
|
});
|
|
const data = await res.json();
|
|
if (data.error) throw new Error(data.error.message || JSON.stringify(data.error));
|
|
return data.result;
|
|
}
|
|
|
|
async function main() {
|
|
console.log('Fetching WETH9 bytecode from Chain 138 and Ethereum mainnet...');
|
|
const [code138, codeMainnet] = await Promise.all([
|
|
getCode(RPC_138),
|
|
getCode(RPC_MAINNET),
|
|
]);
|
|
|
|
const hash = (hex) => ethers.keccak256(hex);
|
|
const h138 = hash(code138);
|
|
const hMain = hash(codeMainnet);
|
|
|
|
console.log('Chain 138 bytecode length (bytes):', (code138.length - 2) / 2);
|
|
console.log('Ethereum main bytecode length (bytes):', (codeMainnet.length - 2) / 2);
|
|
console.log('Chain 138 keccak256(code):', h138);
|
|
console.log('Ethereum main keccak256(code):', hMain);
|
|
console.log('');
|
|
if (h138 === hMain) {
|
|
console.log('Match: YES — Chain 138 has canonical WETH9 bytecode at', WETH9_ADDRESS);
|
|
process.exit(0);
|
|
} else {
|
|
console.log('Match: NO — Chain 138 has WETH-like bytecode at that address, but not canonical WETH9.');
|
|
process.exit(1);
|
|
}
|
|
}
|
|
|
|
main().catch((err) => {
|
|
console.error(err);
|
|
process.exit(1);
|
|
});
|