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I have gone through and updated all existing EIPs to match this rule, including EIP-1. In some cases, people were using markdown citations, I suspect because the long-form was a bit verbose to inline. Since the relative path is quite short, I moved these to inline but I wouldn't be opposed to putting them back to citation format if that is desired by the authors. In doing the migration/cleanup, I found some EIP references to EIPs that don't actually exist. In these cases I tried to excise the reference from the EIP as best I could. It is worth noting that the Readme actually already had this rule, it just wasn't expressed properly in EIP-1 and the "Citation Format" section of the readme I think caused people a bit of confusion (when citing externally, you should use the citation format).
43 lines
1.3 KiB
Markdown
43 lines
1.3 KiB
Markdown
---
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eip: 1803
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title: Rename opcodes for clarity
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author: Alex Beregszaszi (@axic)
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discussions-to: https://ethereum-magicians.org/t/eip-1803-rename-opcodes-for-clarity/3345
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type: Standards Track
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category: Interface
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status: Draft
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created: 2017-07-28
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requires: 141
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---
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## Abstract
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Rename the `BALANCE`, `SHA3`, `NUMBER`, `GASLIMIT`, `GAS` and `INVALID` opcodes to reflect their true meaning.
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## Specification
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Rename the opcodes as follows:
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- `BALANCE` (`0x31`) to `EXTBALANCE` to be in line with `EXTCODESIZE`, `EXTCODECOPY` and `EXTCODEHASH`
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- `SHA3` (`0x20`) to `KECCAK256`
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- `NUMBER` (`0x43`) to `BLOCKNUMBER`
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- `GASLIMIT` (`0x45`) to `BLOCKGASLIMIT` to avoid confusion with the gas limit of the transaction
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- `GAS` (`0x5a`) to `GASLEFT` to be clear what it refers to
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- `INVALID` (`0xfe`) to `ABORT` to clearly articulate when someone refers this opcode as opposed to "any invalid opcode"
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## Backwards Compatibility
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This has no effect on any code. It can influence what mnemonics assemblers will use.
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## Implementation
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Not applicable.
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## References
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[EIP-6](./eip-6.md) previously renamed `SUICIDE` (`0xff`) to `SELFDESTRUCT`.
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Renaming `SHA3` was previously proposed by [EIP-59](https://github.com/ethereum/EIPs/issues/59).
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## Copyright
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Copyright and related rights waived via [CC0](https://creativecommons.org/publicdomain/zero/1.0/).
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