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eth_getTransactionByBlockNumberAndIndex

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

Parameters​

  • blockParameter: (string) [required] A hexadecimal block number, or one of the tags latest, earliest, pending or finalized. See the default block parameter.

    warning

    safe isn't supported. Use finalized instead.

  • 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.
  • yParity: [optional] Parity (0x0 for even, 0x1 for odd) of the y-value of a secp256k1 signature.

Example​

Replace <YOUR-API-KEY> with an API key from your MetaMask Developer dashboard.

Request​

curl https://unichain-sepolia.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": {
    "accessList": [],
    "blockHash": "0x1682216b3a937e57aeb8c7fcf64a8851ac9a5dd2407f7a76e01aad1ccc0aee19",
    "blockNumber": "0x11dca94",
    "chainId": "0x1",
    "from": "0x1f9090aae28b8a3dceadf281b0f12828e676c326",
    "gas": "0x565f",
    "gasPrice": "0xef8230501",
    "hash": "0x140fc3229057d6a484227cbcae16331f586310f68f2095dbc75b3af53d4874bd",
    "input": "0x",
    "maxFeePerGas": "0xef8230501",
    "maxPriorityFeePerGas": "0x0",
    "nonce": "0x63b1f",
    "r": "0x483a889fdbe4bcebd02fcef8b0644dd710de2b2b2f36f4762b90738016e5c639",
    "s": "0x39efb4a71072e6585223e9e77e63920fa65f3de5091d510667782d4cd34ce0a4",
    "to": "0x388c818ca8b9251b393131c08a736a67ccb19297",
    "transactionIndex": "0xa4",
    "type": "0x2",
    "v": "0x1",
    "value": "0x12ff2241f48fc83",
    "yParity": "0x1"
  }
}