---
eip: 1013
title: "Hardfork Meta: Constantinople"
author: Nick Savers (@nicksavers)
type: Meta
status: Draft
created: 2018-04-20
requires: 145, 210, 1014, 1052, 1087
---

## Abstract

This meta-EIP specifies the changes included in the Ethereum hardfork named Constantinople.

## Specification

- Codename: Constantinople
- Aliases: Metropolis/Constantinople, Metropolis part 2
- Activation:
  - `Block >= TBD` on the Ethereum mainnet
  - `Block >= TBD` on the Ropsten testnet
- Included EIPs:
  - [EIP 145](./eip-145.md): Bitwise shifting instructions in EVM
  - [EIP 210](./eip-210.md): Blockhash refactoring
  - [EIP 1014](./eip-1014.md): Skinny CREATE2
  - [EIP 1052](./eip-1052.md): EXTCODEHASH Opcode
  - [EIP 1087](./eip-1087.md): Net gas metering for SSTORE operations
  - TBD: Ice-age delay

## References

The list above includes the EIPs discussed as candidates for Constantinople at the [All Core Dev Meeting #42](https://github.com/ethereum/pm/blob/c78d7ff147daaafa4dce60ba56cdedbe268a0488/All%20Core%20Devs%20Meetings/Meeting%2042.md#constantinople-hard-fork-and-timing). Final decision is planned for the subsequent meeting #43.

## Copyright

Copyright and related rights waived via [CC0](https://creativecommons.org/publicdomain/zero/1.0/).