40 lines
1.7 KiB
Markdown
40 lines
1.7 KiB
Markdown
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---
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eip: 1716
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title: "Hardfork Meta: Petersburg"
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author: Afri Schoedon (@5chdn), Marius van der Wijden (@MariusVanDerWijden)
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type: Meta
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status: Final
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created: 2019-01-21
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requires: 1013, 1283
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---
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## Abstract
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This meta-EIP specifies the changes included in the Ethereum hardfork that removes [EIP-1283](./eip-1283.md) from [Constantinople](./eip-1013.md).
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## Specification
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- Codename: Petersburg
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- Aliases: St. Petersfork, Peter's Fork, Constantinople Fix
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- Activation:
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- `Block >= 7_280_000` on the Ethereum Mainnet
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- `Block >= 4_939_394` on the Ropsten testnet
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- `Block >= 10_255_201` on the Kovan testnet
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- `Block >= 4_321_234` on the Rinkeby testnet
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- `Block >= 0` on the Görli testnet
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- Removed EIPs:
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- [EIP-1283](./eip-1283.md): Net gas metering for SSTORE without dirty maps
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If `Petersburg` and `Constantinople` are applied at the same block, `Petersburg` takes precedence: with the net effect of EIP-1283 being _disabled_.
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If `Petersburg` is defined with an earlier block number than `Constantinople`, then there is _no immediate effect_ from the `Petersburg` fork. However, when `Constantinople` is later activated, EIP-1283 should be _disabled_.
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## References
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1. The list above includes the EIPs that had to be removed from Constantinople due to a [potential reentrancy attack vector](https://medium.com/chainsecurity/constantinople-enables-new-reentrancy-attack-ace4088297d9). Removing this was agreed upon at the [All-Core-Devs call #53 in January 2019](https://github.com/ethereum/pm/issues/70).
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2. https://blog.ethereum.org/2019/02/22/ethereum-constantinople-st-petersburg-upgrade-announcement/
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## Copyright
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Copyright and related rights waived via [CC0](../LICENSE.md).
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