getUncleByBlockNumberAndIndex

Returns information about the 'Uncle' of a block by hash and the Uncle index position.

REQUEST

POST https://rbc-rpc.com

HEADERS

Content-Type: application/json

REQUEST PARAMS

  • BLOCK PARAMETER [required] - an integer block number, or the string "latest", "earliest" or "pending", see the default block parameter

  • UNCLE INDEX POSITION [required] - a hex of the integer indicating the uncle's index position.

EXAMPLE

## JSON-RPC over HTTPS POST
curl https://rbc-rpc.com \
    -X POST \
    -H "Content-Type: application/json" \
    -d '{"jsonrpc":"2.0","method":"eth_getUncleByBlockNumberAndIndex","params": ["0x29c","0x0"],"id":1}'

## JSON-RPC over WSS
wscat -c ws://rbc-rpc.com
>{"jsonrpc":"2.0","method":"eth_getUncleByBlockNumberAndIndex","params": ["0x29c","0x0"],"id":1}

RESPONSE

RESULT FIELDS

BLOCK - A block object, or null when no block was found

  • number: the block number. null when its 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 its pending block.

  • sha3Uncles: 32 Bytes - SHA3 of the uncles data in the block.

  • logsBloom: 256 Bytes - the bloom filter for the logs of the block. null when its 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: integer of the difficulty for this block.

  • totalDifficulty: integer of the total difficulty of the chain until this block.

  • extraData: the "extra data" field of this block.

  • size: integer the size of this block in bytes.

  • gasLimit: the maximum gas allowed in this block.

  • gasUsed: the total used gas by all transactions in this block.

  • timestamp: the unix timestamp for when the block was collated.

  • uncles: an Array of uncle hashes.

Note: An uncle doesn't contain individual transactions

BODY

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