Gas Usage for `RETURN` and `CALL*`

Status history

1. Draft22 Nov 2015
2. ⋯Finaldate not observed

Abstract

This EIP makes it possible to call functions that return strings and other dynamically-sized arrays. Currently, when another contract / function is called from inside the Ethereum Virtual Machine, the size of the output has to be specified in advance. It is of course possible to give a larger size, but gas also has to be paid for memory that is not written to, which makes returning…