Skip to main content
Retracer is a classic TVM transaction tracing tool for inspecting transaction execution step by step. Use it to:
  • inspect complex transaction flows;
  • debug smart contract execution;
  • review gas usage and fees.
Source code: ton-blockchain/tvm-web-viewer on GitHub. The screenshot shows the main parts of the Retracer interface:
  • Transaction details show the sender, destination contract, transferred amounts, timestamp, logical time (LT), fees, and balances;
  • C5 button displays the action list for the transaction;
  • Logs button displays detailed execution logs;
  • On the left, the instruction list shows the TVM instructions executed by the contract;
  • On the right, the stack panel shows the stack state for the selected instruction.