Returns information about a uncle of a block by hash and uncle index position.



Methods related to "uncle block" are no longer supported.


  • DATA, 32 Bytes - The hash of a block.
  • QUANTITY - The uncle's index position.
curl \
--request POST \
--header "Content-Type: application/json" \
--data '{

Note: An uncle doesn't contain individual transactions.


  • Object - A block object, 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 on the last given parameter.
    • uncles: Array - Array of uncle hashes.
    "jsonrpc": "2.0",
    "id": 1,
    "result": {
        "difficulty": "0x4ea3f27bc",
        "extraData": "0x476574682f4c5649562f76312e302e302f6c696e75782f676f312e342e32",
        "gasLimit": "0x1388",
        "gasUsed": "0x0",
        "hash": "0xdc0818cf78f21a8e70579cb46a43643f78291264dda342ae31049421c82d21ae",
        "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
        "miner": "0xbb7b8287f3f0a933474a79eae42cbca977791171",
        "mixHash": "0x4fffe9ae21f1c9e15207b1f472d5bbdd68c9595d461666602f2be20daf5e7843",
        "nonce": "0x689056015818adbe",
        "number": "0x1b4",
        "parentHash": "0xe99e022112df268087ea7eafaf4790497fd21dbeeb6bd7a1721df161a6657a54",
        "receiptsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
        "sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
        "size": "0x220",
        "stateRoot": "0xddc8b0234c2e0cad087c8b389aa7ef01f7d79b2570bccb77ce48648aa61c904d",
        "timestamp": "0x55ba467c",
        "totalDifficulty": "0x78ed983323d",
        "transactions": [],
        "transactionsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
        "uncles": []

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