Developer

Similar Match Contract Verification is a useful tool for verifying commonly reused contracts. However, the re-verification tool was previously exploited, leading to this update.

This article will go over the steps to take when a contract source code verification failed due to an incorrect constructor argument parameter.

The Ethereum Developer APIs are provided as a community service and supports both GET/POST requests and a rate limit of 5 requests/sec.

When verifying the contract source code at Etherscan we require that you also provide us with the Constructor Arguments as they are automatically appended to the end of the contract source bytecode when the contract is compiled by Solidity.

Follow these steps to in order to verify the contract source and ensures the compiled contract byte code matches the input creation code.