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eth_getUncleByBlockNumberAndIndex

Overview

The 'eth_getUncleByBlockNumberAndIndex' method rReturns information about a uncle of a block given the block number and the uncle index position.

Request

curl https://ethereum-mainnet-geth-archive.node.coinapi.io \
-X POST \
-H "Content-Type: application/json" \
--data '{"method":"eth_getTransactionByBlockNumberAndIndex","params":["0xc5043f", "0x0"],"id":1,"jsonrpc":"2.0"}'

Request Parameters

  • block parameter: [ Required ] A hexadecimal block number, or the string 'latest', 'earliest' or 'pending'. Refer to the default block parameter.
  • uncle index position: [ Required ] A hexadecimal equivalent of the integer indicating the uncle's index position.

Response

{
"jsonrpc": "2.0",
"id": 1,
"result": null
}

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

  • number: The block number. 'Null' when the returned block is the pending block.
  • hash: 32 bytes. Hash of the block. 'Null' when its pending block.
  • parentHash: 32 bytes. Hash of the parent block.
  • nonce: 8 bytes. Hash of the generated proof-of-work. 'Null' when the returned block is the pending block.
  • sha3Uncles: 32 bytes. The SHA3 of the uncles data in the block.
  • logsBloom: 256 bytes. The Bloom filter for the logs of the block. 'Null' when the returned block is the pending block.
  • transactionsRoot: 32 bytes. The root of the transaction trie of the block.
  • stateRoot: 32 bytes. The root of the final state trie of the block.
  • receiptsRoot: 32 bytes. The root of the receipts trie of the block.
  • miner: 20 bytes. The address of the beneficiary to whom the mining rewards were given.
  • difficulty: The hexadecimal of the difficulty for this block.
  • totalDifficulty: The hexadecimal of the total difficulty of the chain until this block.
  • extraData: The "extra data" field of this block.
  • size: The hexadecimal of the size of this block in bytes.
  • gasLimit: Maximum gas allowed in this block.
  • gasUsed: Total used gas by all transactions in this block.
  • timestamp: The unix timestamp for when the block was collated.
  • uncles: (Array). An array of uncle hashes.