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eth_getunclebyblockhashandindex.md

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

eth_getUncleByBlockHashAndIndex

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.

params: [
    '0xb3b20624f8f0f86eb50dd04688409e5cea4bd02d700bf6e79e9384d47d6a5a35',
    '0x0' // 0
]

Returns

See eth_getBlockByHash

{% hint style="warning" %} **NOTE: **The return does not contain a list of transactions in the uncle block, to get this, make another request to eth_getBlockByHash_ or _eth_getBlockByNumber {% endhint %}

Example

Request

{% tabs %} {% tab title="Curl" %}

curl https://eth-mainnet.alchemyapi.io/v2/your-api-key \
-X POST \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","method":"eth_getUncleByBlockHashAndIndex","params":["0xb3b20624f8f0f86eb50dd04688409e5cea4bd02d700bf6e79e9384d47d6a5a35", "0x0"],"id":0}'

{% endtab %}

{% tab title="Postman" %}

URL: https://eth-mainnet.alchemyapi.io/v2/your-api-key
RequestType: POST
Body: 
{
    "jsonrpc":"2.0",
    "method":"eth_getUncleByBlockHashAndIndex",
    "params":["0xb3b20624f8f0f86eb50dd04688409e5cea4bd02d700bf6e79e9384d47d6a5a35", "0x0"],
    "id":0
}

{% endtab %} {% endtabs %}

Result

{
  "jsonrpc": "2.0",
  "id": 0,
  "result": {
    "difficulty": "0xbf93da424b943",
    "extraData": "0x65746865726d696e652d657539",
    "gasLimit": "0x7a121d",
    "gasUsed": "0x79ea62",
    "hash": "0x824cce7c7c2ec6874b9fa9a9a898eb5f27cbaf3991dfa81084c3af60d1db618c",
    "logsBloom": "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",
    "miner": "0xea674fdde714fd979de3edf0f56aa9716b898ec8",
    "mixHash": "0x0b15fe0a9aa789c167b0f5ade7b72969d9f2193014cb4e98382254f60ffb2f4a",
    "nonce": "0xa212d6400b89b3f6",
    "number": "0x5bad54",
    "parentHash": "0x05e19fb68d9ec798073808e8b3170875cb327d4b6cde7d6f60fe194677bb26fd",
    "receiptsRoot": "0x90807b32c4aa4610c57289de57fa68ba50ed53f14dd2c25f1862aa049029dcd6",
    "sha3Uncles": "0xf763576c1ea6a8c61a206e16b1a2451bec5cba1c7545d7ff733a1e8c78715569",
    "size": "0x216",
    "stateRoot": "0xebc7a1603bfffe0a14bdb89f898e2f2824abb40f04579beb7b920c56d6e273c9",
    "timestamp": "0x5b54143f",
    "transactionsRoot": "0x7562cba41e067b364b933e7b566fb2444f6954fef3964a5a487d4cd79d97a56c",
    "uncles": []
  }
}