hardhat-gas-reporter
Version:
Gas Analytics plugin for Hardhat
64 lines • 2.73 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.OZResolver = void 0;
/**
* Custom resolver for OpenZeppelin's upgrades and defender plugins. There are two
* types of upgrade for both systems, `erc1967` and `beacon`. They are queried in a
* series for the missing contract's implementation address. This resolver gets attached
* by default when `upgrades` or `defender` are present on the `hre` (as long as user
* hasn't defined their own).
*
* Returns contract name matching the resolved address.
* @param {Resolver} `this`
* @param {JsonRpcTx} transaction JSONRPC formatted transaction
* @return {Promise<string | null>} contract name
*/
class OZResolver {
/**
* OZ's `getImplementationAddress` and `getBeaconAddress` query a storage slot in the proxy
* or beacon using `eth_getStorageAt`. There's no conflict with `eth_call`
* https://github.com/OpenZeppelin/openzeppelin-upgrades/...
* ...blob/5785b3f6b788c4c905e277486a7c1b45fd0ad45b/packages/core/src/provider.ts#L75C40-L75C56
* @returns []
*/
ignore() {
return [];
}
async resolve(transaction) {
let contractAddress;
try {
contractAddress = await this.hre.upgrades.erc1967.getImplementationAddress(transaction.to);
const contractName = await this.resolveViaCache(contractAddress);
if (contractName)
return contractName;
}
catch (err) { }
try {
const beaconAddress = await this.hre.upgrades.erc1967.getBeaconAddress(transaction.to);
contractAddress = await this.hre.upgrades.beacon.getImplementationAddress(beaconAddress);
const contractName = await this.resolveViaCache(contractAddress);
if (contractName)
return contractName;
}
catch (err) { }
try {
contractAddress = await this.hre.defender.erc1967.getImplementationAddress(transaction.to);
const contractName = await this.resolveViaCache(contractAddress);
if (contractName)
return contractName;
}
catch (err) { }
try {
const beaconAddress = await this.hre.defender.erc1967.getBeaconAddress(transaction.to);
contractAddress = await this.hre.defender.beacon.getImplementationAddress(beaconAddress);
const contractName = await this.resolveViaCache(contractAddress);
if (contractName)
return contractName;
}
catch (err) { }
this.unresolvedCalls++;
return null;
}
}
exports.OZResolver = OZResolver;
//# sourceMappingURL=oz.js.map