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Ethereum Trace Methods
This section documents Ethereum's trace API methods that provide detailed execution traces for transactions and blocks. These methods are instrumental for developers needing in-depth visibility into transaction execution, contract interactions, and state changes.
Trace Methods Overview
Trace methods allow developers to obtain comprehensive execution traces for transactions and blocks, providing visibility into the complete call hierarchy, state changes, and execution flow. These powerful tools enable advanced debugging, analytics, and monitoring capabilities essential for sophisticated Ethereum applications.
trace_blockLearn how to use the trace_block method to retrieve comprehensive execution traces for all transactions in a specified Ethereum block, providing detailed insight into smart contract interactions.
trace_callLearn how to use the trace_call method to simulate transaction execution and trace the call without modifying the blockchain state. Perfect for smart contract testing and debugging.
trace_filterLearn how to use the trace_filter method to effectively search for and filter transaction traces based on multiple criteria, including address, block range, and more.
trace_replayBlockTransactionsLearn how to use the trace_replayBlockTransactions method to replay all transactions in a block with trace information for detailed analysis and debugging.
trace_replayTransactionLearn how to use the trace_replayTransaction method to replay a transaction with detailed traces and state changes for comprehensive debugging and analysis.
trace_transactionLearn how to use the trace_transaction method to retrieve detailed execution trace information for a specific transaction by its hash.
The trace namespace provides methods for:
- Obtaining detailed traces for individual transactions
- Tracing all transactions within a block
- Replaying transactions with different parameters
- Filtering traces based on specific criteria
- Executing trace calls without modifying state
- Analyzing internal transactions and contract calls
These methods are particularly valuable for:
- Smart contract debugging and validation
- Transaction analysis tools
- Monitoring contract interactions
- Forensic blockchain analysis
- Gas optimization research
Each trace method provides structured output detailing call hierarchies, executed opcodes, gas consumption, and state modifications at each step of execution.
See also
- All Available Methods - Complete Method Reference
- Core Methods - Essential API Functionality
- Debug Methods - Additional Debugging Capabilities
- Development Guides - Practical Implementation Help