Function implAt

tests/localdev/genesis.test.ts:151–154

(proxyAddress: Address)

    // Helper: read the implementation slot of an AdminUpgradeableProxy at `proxyAddress`.
    // Used to verify proxies point at the CREATE2 impl address we compute from bytecode.
    const implAt = async (proxyAddress: Address): Promise<Address> => {
      const { client } = await getClients()
      return AdminUpgradeableProxy.attach(client, proxyAddress).read.implementation()
    }

    // The stablecoin contracts (SignatureChecker, NativeFiatTokenV2_2, FiatTokenProxy) are
    // not compiled locally — they ship as static artifacts under