eth_getBlockByNumber
Polygon API -Returns information about a block by block number.

Parameters

  • QUANTITY|TAG - integer of a block number, or the string "earliest", "latest" or "pending", as in the default block parameter.
  • Boolean - If true it returns the full transaction objects, if false only the hashes of the transactions.
1
params: [
2
'0x1b4',
3
true
4
]
Copied!

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

​Alchemy Composer​

The Alchemy Composer allows you to make a no-code example request via your browser. Try it out above!

Request

Curl
Postman
1
curl https://polygon-mainnet.g.alchemyapi.io/v2/your-api-key \
2
-X POST \
3
-H "Content-Type: application/json" \
4
-d '{"jsonrpc":"2.0","method":"eth_getBlockByNumber","params":["0x1b4", true],"id":0}'
Copied!
1
URL: https://polygon-mainnet.g.alchemyapi.io/v2/your-api-key
2
RequestType: POST
3
Body:
4
{
5
"jsonrpc":"2.0",
6
"method":"eth_getBlockByNumber",
7
"params":["0x1b4", true],
8
"id":0
9
}
Copied!

Result

1
{
2
"jsonrpc": "2.0",
3
"id": 0,
4
"result": {
5
"difficulty": "0x7",
6
"extraData": "0xd58301090083626f7286676f312e3133856c696e757800000000000000000000e14198dde4da0ea1015e9d38ad288f5ba62cf8d1b9a98ccd02fb6f75553ee51c70caa1c376cf4a937c644cae060effe8bf25409cef9ecd25013a608b3a51cbef00",
7
"gasLimit": "0xe984c2",
8
"gasUsed": "0x0",
9
"hash": "0xa284f649d7d9a3c0dea48e3bf3d295767a4893902e61d27e1590d4cece691b6f",
10
"logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
11
"miner": "0x0000000000000000000000000000000000000000",
12
"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
13
"nonce": "0x0000000000000000",
14
"number": "0x1b4",
15
"parentHash": "0x9481d3bb2bbe842f0e4703cb5be094d95650fe8345b4da5642ed27bec3acd0d5",
16
"receiptsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
17
"sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
18
"size": "0x260",
19
"stateRoot": "0x01b797385461764bd56336dd5e810f3d57529d47bcbf3260c7d9c770bf6c5af4",
20
"timestamp": "0x5ed28d86",
21
"totalDifficulty": "0xbed",
22
"transactions": [],
23
"transactionsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
24
"uncles": []
25
}
26
}
Copied!
​
Last modified 23d ago