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fix: ensure consumed == payload_length #15

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merged 1 commit into from
Oct 23, 2024
Merged

fix: ensure consumed == payload_length #15

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14 changes: 13 additions & 1 deletion crates/eip7702/src/auth_list.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -203,7 +203,19 @@ impl Decodable for SignedAuthorization {
if !header.list {
return Err(alloy_rlp::Error::UnexpectedString);
}
Self::decode_fields(buf)
let started_len = buf.len();

let this = Self::decode_fields(buf)?;

let consumed = started_len - buf.len();
if consumed != header.payload_length {
return Err(alloy_rlp::Error::ListLengthMismatch {
expected: header.payload_length,
got: consumed,
});
}

Ok(this)
}
}

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