43 lines
1.4 KiB
Markdown
43 lines
1.4 KiB
Markdown
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---
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eip: 1679
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title: "Hardfork Meta: Istanbul"
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author: Alex Beregszaszi (@axic), Afri Schoedon (@5chdn)
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discussions-to: https://ethereum-magicians.org/t/hardfork-meta-istanbul-discussion/3207
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type: Meta
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status: Final
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created: 2019-01-04
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requires: 152, 1108, 1344, 1716, 1884, 2028, 2200
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---
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## Abstract
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This meta-EIP specifies the changes included in the Ethereum hardfork named Istanbul.
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## Specification
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- Codename: Istanbul
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### Activation
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- `Block >= 9,069,000` on the Ethereum Mainnet
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- `Block >= 6,485,846` on the Ropsten testnet
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- `Block >= 14,111,141` on the Kovan testnet
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- `Block >= 5,435,345` on the Rinkeby testnet
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- `Block >= 1,561,651` on the Görli testnet
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### Included EIPs
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- [EIP-152](./eip-152.md): Add Blake2 compression function `F` precompile
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- [EIP-1108](./eip-1108.md): Reduce alt_bn128 precompile gas costs
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- [EIP-1344](./eip-1344.md): Add ChainID opcode
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- [EIP-1884](./eip-1884.md): Repricing for trie-size-dependent opcodes
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- [EIP-2028](./eip-2028.md): Calldata gas cost reduction
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- [EIP-2200](./eip-2200.md): Rebalance net-metered SSTORE gas cost with consideration of SLOAD gas cost change
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## References
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1. Included EIPs were finalized in [All Core Devs Call #68](https://github.com/ethereum/pm/blob/master/All%20Core%20Devs%20Meetings/Meeting%2068.md)
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2. https://medium.com/ethereum-cat-herders/istanbul-testnets-are-coming-53973bcea7df
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## Copyright
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Copyright and related rights waived via [CC0](../LICENSE.md).
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