Address Collision of Contract Address Causes Exceptional Halt

Status history

1. Draft15 Aug 2017
2. ⋯Stagnantdate not observed

Abstract

Some test cases in the consensus test suite try to deploy a contract at an address already with nonempty code. Although such cases can virtually never happen on the main network before the Constantinople fork block, the test cases detected discrepancies in clients' behavior. Currently, the Yellow Paper says that the contract creation starts with the empty code and the initial nonce even in the…