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fix: exclude empty artifacts from ContractsByArtifact #7713

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merged 5 commits into from
Apr 18, 2024
Merged

fix: exclude empty artifacts from ContractsByArtifact #7713

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9478ac3
fix: exclude empty artifacts from ContractsByArtifact
klkvr Apr 18, 2024
1f69056
additional check
klkvr Apr 18, 2024
6a9ad5d
fmt
klkvr Apr 18, 2024
96504c6
doc
klkvr Apr 18, 2024
3ad0a43
use Option for bytecodes
klkvr Apr 18, 2024
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6 changes: 6 additions & 0 deletions crates/common/src/contracts.rs
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Expand Up @@ -45,6 +45,12 @@ impl ContractsByArtifact {
let bytecode = artifact.bytecode.and_then(|b| b.into_bytes())?;
let deployed_bytecode =
artifact.deployed_bytecode.and_then(|b| b.into_bytes())?;

// Exclude artifacts with present but empty bytecode. Such artifacts are usually
// interfaces and abstract contracts.
if bytecode.is_empty() || deployed_bytecode.is_empty() {
return None;
}
let abi = artifact.abi?;

Some((id, ContractData { name, abi, bytecode, deployed_bytecode }))
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4 changes: 4 additions & 0 deletions crates/script/src/verify.rs
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Expand Up @@ -106,6 +106,10 @@ impl VerifyBundle {
libraries: &[String],
) -> Option<VerifyArgs> {
for (artifact, contract) in self.known_contracts.iter() {
// Avoid comparing to empty bytecode.
if contract.bytecode.is_empty() {
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we don't need this check if we add the check in ContractsByArtifact i think?

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yeah, but I've seen this bug before so would like to keep this as impact of this bug is pretty high and it's pretty easy to miss while working with artifacts

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@klkvr klkvr Apr 18, 2024 •
edited
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also I think this would've been caught by verification tests which are disabled rn

cc @mattsse

continue;
}
// If it's a CREATE2, the tx.data comes with a 32-byte salt in the beginning
// of the transaction
if data.split_at(create2_offset).1.starts_with(&contract.bytecode) {
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