trace_block - Optimism RPC Method
Get traces for all transactions in a block on Optimism. Requires archive node for cross-chain DeFi, Superchain-interoperable dApps, and public goods funding recipients.
Returns traces for all transactions in a block on Optimism.
Archive Node Required
This method requires an archive node. It is not available on full nodes.
When to Use This Method
- Trace all transactions in a block by block number - Get the full trace of every transaction in a block on Optimism
- Block-level execution analysis - Inspect all internal calls, transfers, and contract interactions within a block for cross-chain DeFi, Superchain-interoperable dApps, and public goods funding recipients
- MEV research - Analyze transaction ordering, sandwich patterns, and arbitrage across a full block
- Historical block replay - Replay and trace blocks at any point in Optimism chain history
Best Practices
- Similar to trace_replayBlockTransactions but without explicit replay configuration
- Use block hash variant (
debug_traceBlockByHash) for reorg-safe queries - Traces from dense blocks can be very large; process results in batches
- Requires archive node access; not available on standard full nodes
Response Body
ResponseCode Examples
Related Methods
trace_filter- Filter traces by address or block rangetrace_transaction- Trace a specific transactiontrace_get- Get a specific trace by index
debug_traceTransaction
Trace a transaction execution on Optimism. Requires archive node for debugging cross-chain DeFi, Superchain-interoperable dApps, and public goods funding recipients.
trace_call
Trace a call without creating a transaction on Optimism. Requires archive node for cross-chain DeFi, Superchain-interoperable dApps, and public goods funding recipients.