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Simulate txs on the latest block instead of pending #4387

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Simulate txs on the latest block instead of pending #4387

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7efb60b
Simulate txs on the `latest` block instead of `pending`
MartinquaXD May 7, 2026
23e94d6
cargo fmt
MartinquaXD May 7, 2026
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7 changes: 5 additions & 2 deletions crates/driver/src/infra/blockchain/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -205,7 +205,10 @@ impl Ethereum {
token::Erc20::new(self, address)
}

/// Estimate gas used by a transaction.
/// Estimate gas used by a transaction with `eth_estimateGas` on the
/// `latest` block. We use the `latest` instead of `pending` to avoid
/// false positive reverts that happen when we re-check the tx on a
/// later block after we already submitted the tx to the mempool.
pub async fn estimate_gas(&self, tx: eth::Tx) -> Result<eth::Gas, Error> {
let tx = TransactionRequest::default()
.from(tx.from)
Expand All @@ -223,7 +226,7 @@ impl Ethereum {
.web3
.provider
.estimate_gas(tx)
.pending()
.latest()
.await
.map_err(Error::Rpc)?
.into();
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