SIMD-0152: Precompiles#152
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joncinque merged 3 commits intosolana-foundation:mainfrom Jun 20, 2024
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samkim-crypto
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Looks good to me and sorry for the delay on this.
seanyoung
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topointon-jump
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Nice! Left some minor comments 😄
samkim-crypto
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@jacobcreech, it seems like we have reached consensus, but I cannot seem to merge it. Can you help with merging 🙏 ? |
joncinque
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Yay great work @0x0ece! |
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Summary
Define a unified behavior for precompiles, and highlight a few minor
changes to the existing precompiles to minimize differences.
Motivation
Precompiles are special native programs designed to verify additional
transaction signatures.
They run without the VM and without loading any account, and they can access
data from other instructions, within the same transaction.
At the time of writing, two precompiles exist to verify Ed25519 and
Ethereum-like Secp256k1 signatures, and another one is being proposed to
support Secp256r1 signatures for FIDO Passkeys.
Historically, the two precompiles were built at different times and
by different people, so naturally there are some subtle differences
in how they behave, especially in edge cases.
The main goal of this document is to provide a specification for how
a precompile should behave, remove differences and provide guidelines
for future proposals.
In addition, we highlight 3 minor changes to the existing precompiles
that will simplify their behavior and make it easier to develop
alternative validator clients.