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eth_getblockbyhash.md

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description
Returns information about a block by hash.

eth_getBlockByHash

Parameters

  • DATA, 32 Bytes - Hash of a block.
  • Boolean - If true it returns the full transaction objects, if false it returns only the hashes of the transactions.
params: [
    '0xc0f4906fea23cf6f3cce98cb44e8e1449e455b28d684dfa9ff65426495584de6',
    true
]

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 on the last given parameter.
  • uncles: Array - Array of uncle hashes.

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_getBlockByHash","params":["0xc0f4906fea23cf6f3cce98cb44e8e1449e455b28d684dfa9ff65426495584de6", true],"id":0}'

{% endtab %}

{% tab title="Postman" %}

URL: https://eth-mainnet.alchemyapi.io/v2/your-api-key
RequestType: POST
Body: 
{
    "jsonrpc":"2.0",
    "method":"eth_getBlockByHash",
    "params":["0xc0f4906fea23cf6f3cce98cb44e8e1449e455b28d684dfa9ff65426495584de6", true],
    "id":0
}

{% endtab %} {% endtabs %}

Result

{
  "jsonrpc": "2.0",
  "id": 0,
  "result": {
    "difficulty": "0x2d50ba175407",
    "extraData": "0xe4b883e5bda9e7a59ee4bb99e9b1bc",
    "gasLimit": "0x47e7c4",
    "gasUsed": "0x5208",
    "hash": "0xc0f4906fea23cf6f3cce98cb44e8e1449e455b28d684dfa9ff65426495584de6",
    "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
    "miner": "0x61c808d82a3ac53231750dadc13c777b59310bd9",
    "mixHash": "0xc38853328f753c455edaa4dfc6f62a435e05061beac136c13dbdcd0ff38e5f40",
    "nonce": "0x3b05c6d5524209f1",
    "number": "0x1e8480",
    "parentHash": "0x57ebf07eb9ed1137d41447020a25e51d30a0c272b5896571499c82c33ecb7288",
    "receiptsRoot": "0x84aea4a7aad5c5899bd5cfc7f309cc379009d30179316a2a7baa4a2ea4a438ac",
    "sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
    "size": "0x28a",
    "stateRoot": "0x96dbad955b166f5119793815c36f11ffa909859bbfeb64b735cca37cbf10bef1",
    "timestamp": "0x57a1118a",
    "totalDifficulty": "0x262c34a6fd1268f6c",
    "transactions": [
      "0xc55e2b90168af6972193c1f86fa4d7d7b31a29c156665d15b9cd48618b5177ef"
    ],
    "transactionsRoot": "0xb31f174d27b99cdae8e746bd138a01ce60d8dd7b224f7c60845914def05ecc58",
    "uncles": []
  }
}