eth_getTransactionByBlockNumberAndIndex

Query a transaction by block height + in-block index.

• Source: framework/src/main/java/org/tron/core/services/jsonrpc/TronJsonRpcImpl.java#getTransactionByBlockNumberAndIndex
• Ports: FullNode 8545 / Solidity 8555

Request parameters

Position	Type	Required	Description
params[0]	string	yes	Block height (hex) or tag (latest / earliest / finalized; pending is explicitly unsupported)
params[1]	string	yes	In-block transaction index, hex-encoded

curl -X POST https://nile.trongrid.io/jsonrpc \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","method":"eth_getTransactionByBlockNumberAndIndex","params":["0x3fe1ca0","0x0"],"id":1}'

Response

TransactionResult (fields described in eth_getTransactionByHash); returns null if the block does not exist or the index is out of range.

The example below is the real response captured from the Nile testnet curl above (same contract call shown in eth_getTransactionByHash):

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "hash": "0x01b4cde4197b9d1a1ff09ef5d2b1d939d3ec2401b3f002ebd0802c0f30a6e4ca",
    "blockHash": "0x0000000003fe1ca05cf728c92ee79f5f2758c3e4e4ea88501826726880e8b81c",
    "blockNumber": "0x3fe1ca0",
    "transactionIndex": "0x0",
    "from": "0xdd791d6b49e190062d650e6a23c575510d35f2f9",
    "to": "0x9ff8fc48fb114ccd5bbdc24a86f0c73082f08825",
    "value": "0x0",
    "gas": "0xae29",
    "gasPrice": "0x64",
    "input": "0xa6bd98ac0000...0000",
    "type": "0x0",
    "nonce": "0x0000000000000000",
    "v": "0x1b",
    "r": "0x2154e8ef08f014063de8a88bafe748c8cbb48633c1657c083dca1a73439b289f",
    "s": "0x6aa796bfa58797da6354d35fb7334a8c145c48ae266e4a885f7ee44791b5a3c3"
  }
}

Error responses

Trigger	Code	message
params[0] is pending	-32602	TAG pending not supported
params[0] is neither valid hex nor a valid tag	-32602	invalid block number
params[1] is not valid hex	-32602	invalid index value

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