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

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

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

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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
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25 changes: 25 additions & 0 deletions crates/txpool/src/validator.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -244,6 +244,31 @@ 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(),
);
}

// Reject MorphTx (0x7F) before Emerald hardfork.
// go-ethereum's MakeSigner only registers MorphTxType from forks.Emerald onwards.
if is_morph_tx(&transaction)
&& !self
.chain_spec()
.is_emerald_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);

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