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---
eip: 1013
title: "Hardfork Meta: Constantinople"
author: Nick Savers (@nicksavers)
type: Meta
status: Draft
created: 2018-04-20
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requires: 145, 1014, 1052, 1234, 1283
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---
## Abstract
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This meta-EIP specifies the changes included in the Ethereum hardfork named Constantinople.
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## Specification
- Codename: Constantinople
- Aliases: Metropolis/Constantinople, Metropolis part 2
- Activation:
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- `Block >= TBD` on the Ethereum mainnet
- `Block >= TBD` on the Ropsten testnet
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- Included EIPs:
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- [EIP 145 ](./eip-145.md ): Bitwise shifting instructions in EVM
- [EIP 1014 ](./eip-1014.md ): Skinny CREATE2
- [EIP 1052 ](./eip-1052.md ): EXTCODEHASH Opcode
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- [EIP 1234 ](./eip-1234.md ): Delay difficulty bomb, adjust block reward
- [EIP 1283 ](./eip-1283.md ): Net gas metering for SSTORE without dirty maps
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## References
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The list above includes the EIPs discussed as candidates for Constantinople at the All Core Dev [Constantinople Session #1 ](https://github.com/ethereum/pm/issues/55 ). See also [Constantinople Progress Tracker ](https://github.com/ethereum/pm/issues/53 ).
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## Copyright
Copyright and related rights waived via [CC0 ](https://creativecommons.org/publicdomain/zero/1.0/ ).