eth_getUncleByBlockNumberAndIndex

curl --request POST \
  --url https://api.uniblock.dev/uni/v1/json-rpc?chainId=1 \
  --header 'content-type: application/json' \
  --data '{
    "id": 1,
    "jsonrpc": "2.0",
    "method": "eth_getUncleByBlockNumberAndIndex",
    "params": [
      0,
      0
    ]
  }'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "number": "0x1b4",
    "hash": "0xbfb3bb785c60ee4f93aa6e506f6f5d5fc5173301f537d856cac59d91e7a0ce09",
    "parentHash": "0x9646252be9520f6e71339a8df9c55e4d7619deeb018d2a3f2d21fc165dde5eb5",
    "sealFields": [
      "0xe04d296d2460cfb8472af2c5fd05b5a214109c25688d3704aed5484f9a7792f2",
      "0x0000000000000042"
    ],
    "sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
    "logsBloom": "0xbfb3bb785c60ee4f93aa6e506f6f5d5fc5173301f537d856cac59d91e7a0ce09",
    "transactionsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
    "stateRoot": "0xd5855eb08b3387c0af375e9cdb6acfc05eb8f519e419b874b6ff2ffda7ed1dff",
    "__truncated": true
  }
}

POST

uni

json-rpc

curl --request POST \
  --url https://api.uniblock.dev/uni/v1/json-rpc?chainId=1 \
  --header 'content-type: application/json' \
  --data '{
    "id": 1,
    "jsonrpc": "2.0",
    "method": "eth_getUncleByBlockNumberAndIndex",
    "params": [
      0,
      0
    ]
  }'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "number": "0x1b4",
    "hash": "0xbfb3bb785c60ee4f93aa6e506f6f5d5fc5173301f537d856cac59d91e7a0ce09",
    "parentHash": "0x9646252be9520f6e71339a8df9c55e4d7619deeb018d2a3f2d21fc165dde5eb5",
    "sealFields": [
      "0xe04d296d2460cfb8472af2c5fd05b5a214109c25688d3704aed5484f9a7792f2",
      "0x0000000000000042"
    ],
    "sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
    "logsBloom": "0xbfb3bb785c60ee4f93aa6e506f6f5d5fc5173301f537d856cac59d91e7a0ce09",
    "transactionsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
    "stateRoot": "0xd5855eb08b3387c0af375e9cdb6acfc05eb8f519e419b874b6ff2ffda7ed1dff",
    "__truncated": true
  }
}

Parameters

string

default:"1"

required

Unique identifier for a blockchain network.

number

default:1

required

Request identifier used to match responses.

string

default:"2.0"

required

JSON-RPC version.

string

default:"eth_getUncleByBlockNumberAndIndex"

required

JSON-RPC method name.

object

default:[0,0]

required

Parameters for eth_getUncleByBlockNumberAndIndex: [defaultBlock, index].Positional parameters for eth_getUncleByBlockNumberAndIndex:

params[0]: Block identifier. Can be an integer block number or a string tag: “latest”, “earliest”, or “pending”.
params[1]: Integer of the uncle’s index position.

Returns

oneOf

Ethereum block object. Null when no block was found.

Show variants

object

Ethereum block object. Null when no block was found.

Show properties

string

The block number. Null when pending.

string

Hash of the block. Null when pending.

string

Hash of the parent block.

string

8-byte proof-of-work nonce. Null when pending or in PoA networks.

string

SHA3 of the uncles data.

string

Bloom filter for logs in the block. Null when pending.

string

Root of the transaction trie.

string

Root of the final state trie.

string

Root of the receipts trie.

string

Address of the block author (beneficiary).

string

Alias of author. Address of the miner.

string

Block difficulty.

string

Total difficulty of the chain up to this block.

string

Extra data field of the block.

string

Size of the block in bytes.

string

Maximum gas allowed in the block.

string

Total gas used by all transactions.

string

Unix timestamp for when the block was collated.

array

Array of either 32-byte transaction hashes or full transaction objects, depending on the request.

Show items

oneOf

Transaction hash.

Show variants

string

Transaction hash.

object

Full transaction object.

Show properties

string

array

Array of uncle block hashes.

Show items

string

curl --request POST \
  --url https://api.uniblock.dev/uni/v1/json-rpc?chainId=1 \
  --header 'content-type: application/json' \
  --data '{
    "id": 1,
    "jsonrpc": "2.0",
    "method": "eth_getUncleByBlockNumberAndIndex",
    "params": [
      0,
      0
    ]
  }'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "number": "0x1b4",
    "hash": "0xbfb3bb785c60ee4f93aa6e506f6f5d5fc5173301f537d856cac59d91e7a0ce09",
    "parentHash": "0x9646252be9520f6e71339a8df9c55e4d7619deeb018d2a3f2d21fc165dde5eb5",
    "sealFields": [
      "0xe04d296d2460cfb8472af2c5fd05b5a214109c25688d3704aed5484f9a7792f2",
      "0x0000000000000042"
    ],
    "sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
    "logsBloom": "0xbfb3bb785c60ee4f93aa6e506f6f5d5fc5173301f537d856cac59d91e7a0ce09",
    "transactionsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
    "stateRoot": "0xd5855eb08b3387c0af375e9cdb6acfc05eb8f519e419b874b6ff2ffda7ed1dff",
    "__truncated": true
  }
}

Getting started

API Reference

eth_getUncleByBlockNumberAndIndex

Parameters

Returns