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fix: limit gas usage by sequencer tx #13

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merged 1 commit into from
Oct 12, 2024
Merged

fix: limit gas usage by sequencer tx #13

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8 changes: 8 additions & 0 deletions crates/wallet/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -138,6 +138,11 @@ pub enum OdysseyWalletError {
/// This is likely an internal error, as most of the request is built by the sequencer.
#[error("invalid tx request")]
InvalidTransactionRequest,
/// The request was estimated to consume too much gas.
///
/// The gas usage by each request is limited to counteract draining the sequencers funds.
#[error("request would use too much gas")]
GasEstimateTooHigh,
/// An internal error occurred.
#[error("internal error")]
InternalError,
Expand Down Expand Up @@ -267,6 +272,9 @@ where
EthCall::estimate_gas_at(&self.inner.eth_api, request.clone(), BlockId::latest(), None)
.await
.map_err(Into::into)?;
if estimate >= U256::from(150_000) {
return Err(OdysseyWalletError::GasEstimateTooHigh.into());
}
request = request.gas_limit(estimate.to());

// set gas fees
Expand Down