Skip to content

fix(txpool): enforce hardfork activation for EIP-7702 and MorphTx #59

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
panos-xyz merged 3 commits into from
Mar 26, 2026
Merged

fix(txpool): enforce hardfork activation for EIP-7702 and MorphTx #59

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
cf4c72c
fix(txpool): enforce hardfork activation for EIP-7702 and MorphTx (0x7F)
panos-xyz Mar 25, 2026
c991f05
refactor(txpool): reuse is_morph_tx result to avoid duplicate check
panos-xyz Mar 26, 2026
1e744d7
Merge branch 'main' into fix/txpool-hardfork-activation
panos-xyz Mar 26, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
25 changes: 25 additions & 0 deletions crates/txpool/src/validator.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -262,9 +262,34 @@ where
);
}

// Reject EIP-7702 transactions before Viridian hardfork (PRAGUE)
if transaction.is_eip7702()
&& !self
.chain_spec()
.is_viridian_active_at_timestamp(self.block_timestamp())
{
return TransactionValidationOutcome::Invalid(
transaction,
InvalidTransactionError::TxTypeNotSupported.into(),
);
}

// Check if this is a MorphTx (0x7F) - need special handling for ERC20 gas payment
let is_morph_tx = is_morph_tx(&transaction);

// Reject MorphTx (0x7F) before Emerald hardfork.
// go-ethereum's MakeSigner only registers MorphTxType from forks.Emerald onwards.
if is_morph_tx
&& !self
.chain_spec()
.is_emerald_active_at_timestamp(self.block_timestamp())
{
return TransactionValidationOutcome::Invalid(
transaction,
InvalidTransactionError::TxTypeNotSupported.into(),
);
}

let outcome = self.inner.validate_one(origin, transaction);
if outcome.is_invalid() || outcome.is_error() {
tracing::trace!(target: "morph::txpool", ?outcome, "tx pool validation failed");
Expand Down
Loading