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Automatically merged updates to draft EIP(s) 1884 (ethereum#2180)
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Hi, I'm a bot! This change was automatically merged because:

 - It only modifies existing Draft or Last Call EIP(s)
 - The PR was approved or written by at least one author of each modified EIP
 - The build is passing
holiman authored and MadeofTin committed Nov 13, 2019

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kianenigma Kian Paimani
1 parent d326c95 commit 0c71444
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6 changes: 3 additions & 3 deletions EIPS/eip-1884.md
Original file line number Diff line number Diff line change
@@ -7,7 +7,7 @@ category: Core
discussions-to: https://ethereum-magicians.org/t/opcode-repricing/3024
status: Draft
created: 2019-03-28
requires: 150
requires: 150, 1052
---


@@ -37,7 +37,7 @@ At block `N`,
- The `SLOAD` (`0x54`) operation changes from `200` to `800` gas,
- The `BALANCE` (`0x31`) operation changes from `400` to `700` gas,
- The `EXTCODEHASH` (`0x3F`) operation changes from `400` to `700` gas,
- A new opcode, `SELFBALANCE` is introduced at `0x46`.
- A new opcode, `SELFBALANCE` is introduced at `0x47`.
- `SELFBALANCE` pops `0` arguments off the stack,
- `SELFBALANCE` pushes the `balance` of the current address to the stack,
- `SELFBALANCE` is priced as `GasFastStep`, at `5` gas.
@@ -94,7 +94,7 @@ opcodes: `EXTBALANCE(address)` and `SELFBALANCE`, and have two different prices.

### `EXTCODEHASH`

`EXTCODEHASH` was introduced in Constantinople, with [EIP 1052](https://eips.ethereum.org/EIPS/eip-1052). It was priced at `400` with the reasoning:
`EXTCODEHASH` was introduced in Constantinople, with [EIP-1052](https://eips.ethereum.org/EIPS/eip-1052). It was priced at `400` with the reasoning:

> The gas cost is the same as the gas cost for the `BALANCE` opcode because the execution of the `EXTCODEHASH` requires the same account lookup as in `BALANCE`.

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