@safe-global/safe-contracts/src/tasks/local_verify.ts

Ethereum multisig contract

import "hardhat-deploy";
import "@nomiclabs/hardhat-ethers";
import { task } from "hardhat/config";
import { loadSolc } from "../utils/solc";

task("local-verify", "Verifies that the local deployment files correspond to the on chain code").setAction(async (_, hre) => {
    const allowedSourceKey = ["keccak256", "content"];
    const deployedContracts = await hre.deployments.all();
    for (const contract of Object.keys(deployedContracts)) {
        const deployment = await hre.deployments.get(contract);
        const meta = JSON.parse(deployment.metadata!);
        const solcjs = await loadSolc(meta.compiler.version);
        delete meta.compiler;
        delete meta.output;
        delete meta.version;
        const sources = Object.values<any>(meta.sources);
        for (const source of sources) {
            for (const key of Object.keys(source)) {
                if (allowedSourceKey.indexOf(key) < 0) delete source[key];
            }
        }
        meta.settings.outputSelection = {};
        const targets = Object.entries(meta.settings.compilationTarget);
        for (const [key, value] of targets) {
            meta.settings.outputSelection[key] = {};
            meta.settings.outputSelection[key][value as string] = ["evm.bytecode", "evm.deployedBytecode", "metadata"];
        }
        delete meta.settings.compilationTarget;
        const compiled = solcjs.compile(JSON.stringify(meta));
        const output = JSON.parse(compiled);
        for (const [key, value] of targets) {
            const compiledContract = output.contracts[key][value as string];
            const onChainCode = await hre.ethers.provider.getCode(deployment.address);
            const onchainBytecodeHash = hre.ethers.utils.keccak256(onChainCode);
            const localBytecodeHash = hre.ethers.utils.keccak256(`0x${compiledContract.evm.deployedBytecode.object}`);
            const verifySuccess = onchainBytecodeHash === localBytecodeHash ? "SUCCESS" : "FAILURE";
            console.log(`Verification status for ${value}: ${verifySuccess}`);
        }
    }
});

export {};