fix(examples): skip simulateContract for bid to avoid stale RPC allowance error#73
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fix(examples): skip simulateContract for bid to avoid stale RPC allowance error#73EByrdS wants to merge 2 commits into
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…roval After the ERC20 approval is confirmed, calling simulateContract for the bid (an eth_call) on a load-balanced RPC can hit a node that hasn't yet synced the approval block, causing a false "transfer amount exceeds allowance" revert. Calling writeContractAsync directly bypasses the simulation; the actual on-chain execution always sees confirmed state. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Jira ticket: ECHO-152
Summary
approvetx is confirmed, callingsimulateContractfor the subsequentreplaceBidWithApprovalbid was failing intermittently withERC20: transfer amount exceeds allowance.simulateContractissues aneth_callagainstblock="latest", but on load-balanced public RPCs (e.g.sepolia.base.org) the node handling the call may lag behind and not yet have the block containing the approval — so it sees allowance = 0 and reverts.writeContractAsyncdirectly for the bid, bypassing the pre-flight simulation. The actual on-chain execution always reads confirmed state, so the approval is guaranteed to be visible by the time the transaction is mined.🤖 Generated with Claude Code