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eth_getTransactionByBlockNumberAndIndex

Returns information about a transaction given block number and transaction index position.

Parameters​

  • block parameter: [Required] A hexadecimal block number, or one of the string tags latest, earliest, pending, safe, or finalized. See the default block parameter.
  • transaction index position: [Required] A hexadecimal of the integer representing the position in the block.

Returns​

A transaction object, or null when no transaction was found. The transaction object will consist of the following keys and their values:

  • accessList: [optional] A list of addresses and storage keys accessed by the transaction. See access list transactions.
  • blockHash: 32 bytes. A hash of the block including this transaction. null when it's pending.
  • blockNumber: The number of the block including this transaction. null when it's pending.
  • chainID: [optional] chain ID specifying the network. Returned only for EIP-1559 transactions.
  • from: 20 bytes. The address of the sender.
  • gas: Gas provided by the sender.
  • gasPrice: Gas price provided by the sender in Wei.
  • hash: 32 bytes. The hash of the transaction.
  • input: The data sent along with the transaction.
  • maxPriorityFeePerGas: [optional] Maximum fee, in Wei, the sender is willing to pay per gas above the base fee. See EIP-1559 transactions.
  • maxFeePerGas: [optional] Maximum total fee (base fee + priority fee), in Wei, the sender is willing to pay per gas. See EIP-1559 transactions.
  • nonce: The number of transactions made by the sender prior to this one.
  • r: 32 bytes. The ECDSA signature r.
  • s: 32 bytes. The ECDSA signature s.
  • to: 20 bytes. The address of the receiver. null when it's a contract creation transaction.
  • transactionIndex: The transaction's index position in the block, in hexadecimal. null when it's pending.
  • type: The transaction type.
  • v: The ECDSA recovery ID.
  • value: The value transferred in Wei.

Example​

Replace YOUR-API-KEY with an API key from your Infura dashboard.

Request​

curl https://avalanche-mainnet.infura.io/v3/YOUR-API-KEY \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc": "2.0", "method": "eth_getTransactionByBlockNumberAndIndex", "params": ["0x5BAD55", "0x0"], "id": 1}'

Response​

{
  "id": 1,
  "jsonrpc": "2.0",
  "result": {
    "blockHash": "0xb3b20624f8f0f86eb50dd04688409e5cea4bd02d700bf6e79e9384d47d6a5a35",
    "blockNumber": "0x5bad55",
    "chainId": "0x1",
    "from": "0xfbb1b73c4f0bda4f67dca266ce6ef42f520fbb98",
    "gas": "0x249f0",
    "gasPrice": "0x174876e800",
    "hash": "0x8784d99762bccd03b2086eabccee0d77f14d05463281e121a62abfebcf0d2d5f",
    "input": "0x6ea056a9000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000bd8d7fa6f8cc00",
    "nonce": "0x5e4724",
    "r": "0xd1556332df97e3bd911068651cfad6f975a30381f4ff3a55df7ab3512c78b9ec",
    "s": "0x66b51cbb10cd1b2a09aaff137d9f6d4255bf73cb7702b666ebd5af502ffa4410",
    "to": "0x4b9c25ca0224aef6a7522cabdbc3b2e125b7ca50",
    "transactionIndex": "0x0",
    "type": "0x0",
    "v": "0x25",
    "value": "0x0"
  }
}