feat: add eip-7702 helpers #950
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onbjerg
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Evalir
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mattsse
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| /// A signed EIP-7702 authorization. | ||
| #[derive(Debug, Clone, RlpEncodable, RlpDecodable)] | ||
| pub struct SignedAuthorization<S> { |
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Can we add RecoveredAuthorization? Where we will cache the recovered account as Option<Address (Option as it can fail).
Recovery can be expensive and can be done before revm gets called. We are okay to do that as it is covered by gas.
The idea that I have is to have an enum in Revm as input:
AuthorisationList {
Recovered(Vec<RecoveredAuthorization>),
Signed(Vec<SignedAuthorization>),
}
rakita
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Jun 21, 2024
| @@ -70,6 +70,7 @@ serde = [ | |||
| kzg = ["kzg-sidecar", "sha2", "dep:derive_more", "dep:c-kzg", "dep:once_cell"] | |||
| kzg-sidecar = ["sha2"] | |||
| sha2 = ["dep:sha2"] | |||
| k256 = ["alloy-primitives/k256"] | |||
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Would be good to have seck256k1 lib/feature flag as it is faster. But looking at it as a low priority.
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ben186
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* feat: add eip-7702 auth list types * chore: fmt * chore: no_std * feat: add k256 feature to alloy-eips * chore: const fns * chore: lint * chore: rm vec type alias * feat: split into signed/unsigned types * fix: use `signature_prehash` * chore: fmt * chore: const fn * docs: fix doc link * chore: fmt -.- * chore: make pub * chore: cleanup * fix: error on list longer than 1 for nonce * chore: const fn -.- * feat: default derive * chore: manual decode impl for `OptionalNonce` * docs: small driveby link nits * test: add small rt ser/de tests * feat: add `RecoveredAuthorization` * fix: partial move
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Motivation
EIP-7702 is up for inclusion in Prague.
Solution
Adds helpers and some types specified in EIP-7702.
The transaction type itself will be added in another PR as it is not relevant right now (for example, the RPC spec has not been updated yet).
This also adds a
k256feature toalloy_eipssince authority recovery requires signature recovery which is only possible withk256enabled inalloy_primitivesPR Checklist