TRON - Troubleshooting Tapos check error

When utilizing the TRON network, you may encounter the error "tron.blockchain.broadcast.error" with the cause identified as "Tapos check error."

The Tapos error check specifically points to an issue with the "ref_block_hash" parameter in the transaction payload.

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Additional information is available at the following link.

Example Payload

"{\"visible\":false,\"txID\":\"d29228b006181447a75796953824fff1de55be30a964ffdba2a88ff####\",\"raw_data\":{\"contract\":[{\"parameter\":{\"value\":{\"data\":\"a9059cbb0000000000000000000000009f4e3eb9ae86450bd2ec4be7c88004d215b47b0900000000000000000000000000000000000000000000000000000000####\",\"owner_address\":\"4113c83df83b14e8ff33f9aa63c48e41d####\",\"contract_address\":\"#####\"},\"type_url\":\"#####\"},\"type\":\"TriggerSmartContract\"}],\"ref_block_bytes\":\"85c5\",\"ref_block_hash\":\"d06bf1458a2f###\",\"expiration\":1705324902000,\"fee_limit\":40000000,\"timestamp\":1705324843822},\"raw_data_hex\":\"0a0285c52208d06bf1458a2f760040f0eca3e######48913\",\"signature\":[\"58c2f618e1e888bdbca29e7f4243ccdb19216bfbd32a4b6f363d5242dfd7ffdb912d3af8e7c64399dcb72dcb3aac7c83c6cfa6f####\"]}"

The reference block specified by the "ref_block_hash" parameter needs to be on the same chain as the transaction. If these are not aligned, the Tapos check error may occur.

Example Error

{
  "statusCode": 403,
  "errorCode": "tron.blockchain.broadcast.error",
  "message": "Unable to broadcast transaction",
  "cause": "Tapos check error."
}

📘Additional information is available at the following link.

Example Payload

Example Error

📘
Additional information is available at the following link.