eth_getUncleByBlockNumberAndIndex - Xlayer

GET https://example.com

Xlayer API - Returns information about an uncle of a block by number and uncle index position.

NOTE: eth_getUncleByBlockNumberAndIndex always returns empty.

Parameters

• QUANTITY|TAG - A block number, or the string "earliest", "latest" or "pending", as in the default block parameter.
• QUANTITY - the uncle's index position.

JSON

params: [
  "0x29c",
  "0x0",
];

---

Returns

Object - A block object with the following fields, or null when no block was found:

• number: QUANTITY - the block number. null when its pending block.
• hash: DATA, 32 Bytes - hash of the block. null when its pending block.
• parentHash: DATA, 32 Bytes - hash of the parent block.
• nonce: DATA, 8 Bytes - hash of the generated proof-of-work. null when its pending block.
• sha3Uncles: DATA, 32 Bytes - SHA3 of the uncles data in the block.
• logsBloom: DATA, 256 Bytes - the bloom filter for the logs of the block. null when its pending block.
• transactionsRoot: DATA, 32 Bytes - the root of the transaction trie of the block.
• stateRoot: DATA, 32 Bytes - the root of the final state trie of the block.
• receiptsRoot: DATA, 32 Bytes - the root of the receipts trie of the block.
• miner: DATA, 20 Bytes - the address of the beneficiary to whom the mining rewards were given.
• difficulty: QUANTITY - integer of the difficulty for this block.
• totalDifficulty: QUANTITY - integer of the total difficulty of the chain until this block.
• extraData: DATA - the "extra data" field of this block.
• size: QUANTITY - integer the size of this block in bytes.
• gasLimit: QUANTITY - the maximum gas allowed in this block.
• gasUsed: QUANTITY - the total used gas by all transactions in this block.
• timestamp: QUANTITY - the unix timestamp for when the block was collated.
• transactions: Array - Array of transaction objects, or 32 Bytes transaction hashes depending onthe last given parameter.
• uncles: Array - Array of uncle hashes.

---

Example

Request

cURL

curl https://xlayer-mainnet.unifra.io/v1/your-api-key \
-X POST \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","method":"eth_getUncleByBlockNumberAndIndex","params":["0x29c", "0x0"],"id":0}'

Postman

URL: https://xlayer-mainnet.unifra.io/v1/your-api-key
RequestType: POST
Body:
{
  "jsonrpc":"2.0",
  "method":"eth_getUncleByBlockNumberAndIndex",
  "params":["0x29c", "0x0"],
  "id":0
}

Result

JSON

{
  "jsonrpc": "2.0",
  "id": 0,
  "result": {
    "difficulty": "0x57f117f5c",
    "extraData": "0x476574682f76312e302e302f77696e646f77732f676f312e342e32",
    "gasLimit": "0x1388",
    "gasUsed": "0x0",
    "hash": "0x932bdf904546a2287a2c9b2ede37925f698a7657484b172d4e5184f80bdd464d",
    "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
    "miner": "0x5bf5e9cf9b456d6591073513de7fd69a9bef04bc",
    "mixHash": "0x4500aa4ee2b3044a155252e35273770edeb2ab6f8cb19ca8e732771484462169",
    "nonce": "0x24732773618192ac",
    "number": "0x299",
    "parentHash": "0xa779859b1ee558258b7008bbabff272280136c5dd3eb3ea3bfa8f6ae03bf91e5",
    "receiptsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
    "sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
    "size": "0x21d",
    "stateRoot": "0x2604fbf5183f5360da249b51f1b9f1e0f315d2ff3ffa1a4143ff221ad9ca1fec",
    "timestamp": "0x55ba4827",
    "transactionsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
    "uncles": []
  }
}