44 lines
1.1 KiB
Rust
44 lines
1.1 KiB
Rust
use alloc::{borrow::Cow, vec::Vec};
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use ics23::CommitmentProof;
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use crate::{
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error::ProofError,
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verifier::{ics23::Ics23MembershipVerifier, multi::MultiVerifier, Verifier},
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};
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type Key = Vec<u8>;
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type Value<'a> = Cow<'a, [u8]>;
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#[derive(Clone, Debug)]
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pub struct CwVerifier<'a>(MultiVerifier<Ics23MembershipVerifier<Key, Value<'a>>, 2>);
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impl CwVerifier<'_> {
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pub fn verify(
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&self,
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proofs: &[CommitmentProof; 2],
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#[allow(clippy::ptr_arg)] root: &Vec<u8>, // TODO(hu55a1n1): fix this using `Cow` types
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keys: &[Vec<u8>; 2],
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value: &[u8],
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) -> Result<(), ProofError> {
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if root.is_empty() {
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return Err(ProofError::EmptyMerkleRoot);
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}
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self.0
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.verify_against_root(proofs, keys, &Cow::Borrowed(value), root)?
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.then_some(())
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.ok_or(ProofError::VerificationFailure)
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}
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}
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impl Default for CwVerifier<'_> {
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fn default() -> Self {
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let mv = MultiVerifier::new([
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Ics23MembershipVerifier::new(ics23::iavl_spec()),
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Ics23MembershipVerifier::new(ics23::tendermint_spec()),
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]);
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Self(mv)
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}
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}
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