📘
Supported on Klaytn (mainnet) only.

Parameters

Request

Type	Description
32-byte DATA	Hash of a block.

Result

Object - A block object with consensus information (a proposer and a list of committee members), or error when no block was found:

Name	Type	Description
blockScore	QUANTITY	Former difficulty. Always 1 in the BFT consensus engine
totalBlockScore	QUANTITY	Integer of the total blockScore of the chain until this block.
committee	Array	Array of addresses of committee members of this block. The committee is a subset of validators participated in the consensus protocol for this block.
gasUsed	QUANTITY	The total used gas by all transactions in this block.
hash	32-byte DATA	Hash of the block. `null` when it is pending block.
number	QUANTITY	The block number. `null` when it is pending block.
parentHash	32-byte DATA	Hash of the parent block.
proposer	20-byte DATA	The address of the block proposer.
receiptsRoot	32-byte DATA	The root of the receipts trie of the block.
size	QUANTITY	Integer the size of this block in bytes.
stateRoot	32-byte DATA	The root of the final state trie of the block.
timestamp	QUANTITY	The Unix timestamp for when the block was collated.
timestampFoS	QUANTITY	The fraction of a second of the timestamp for when the block was collated.
transactions	Array	Array of transaction objects.
transactionsRoot	32-byte DATA	The root of the transaction trie of the block.
baseFeePerGas	QUANTITY	The base fee per gas. It has a meaningful value when EthTxTypeCompatible and Magma hardforks are activated.

API Endpoint

The format of a Klaytn API endpoint is
https://open-platform.nodereal.io/{{apiKey}}/klaytn/

Here is an example:
https://open-platform.nodereal.io/4c0a1c23661a4e26bcbcwed461e34ea9/klaytn/

Example

// Request
curl https://open-platform.nodereal.io/{{apiKey}}/klaytn/ \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{"jsonrpc":"2.0", "method":"klay_getBlockWithConsensusInfoByHash", "params":["0x7d68d09a7a571cdf8a3b6a5ef6e037265b3e3093cf145b0954d22bde5c1d4f61"],"id":73}' 

// Result
{
  "jsonrpc": "2.0",
  "id": 73,
  "result": {
    "baseFeePerGas":"0x5d21dba00",
    "blockscore": "0x1",
    "committee": ["0xe783fc94fddaeebef7293d6c5864cff280f121e1", "0x8a88a093c05376886754a9b70b0d0a826a5e64be", "0xf113ec8c22765d485309cf1d025d1b975245b9f8", "0xe3d92072d8b9a59a0427485a1b5f459271df457c", "0xa2ba8f7798649a778a1fd66d3035904949fec555", "0x2bdd279522b8a0843831fbb94cfbb24a913597c5", "0x9419fa2e3b9eb1158de31be66c586a52f49c5de7", "0xc032c34cb9fe064fe435199e1078dd8756a166b5", "0x56e8c1463c341abf8b168c3079ea41ce8a387e18", "0x6873352021fe9226884616dc6f189f289aeb0cc5", "0xe93a890fb7ec5e993b1a7fd77b0d13a0763eff3d", "0xbca8ffa45cc8e30bbc0522cdf1a1e0ebf540dfe2", "0x386ca3cb8bb13f48d1a6adc1fb8df09e7bb7f9c8", "0x1782834bf8847e235f21f2c1f13fca4d5dff6621", "0x6f6770f1f67f44fb15b335b49581ad6b935d963a", "0x0b59cae1f03534209fdb9ddf5ea65b310cd7060c", "0xb9456fd65a6810b19df24832c50b2e61a41867f8", "0x16c192585a0ab24b552783b4bf7d8dc9f6855c35", "0xec6c1cede510be308f0fdbbc8dbdf238829bdb34", "0xf8c9c61c5e7f2b6219d1c28b94e5cb3cdc802594", "0x5e59db28cef098d5a2e877f84127aed10d7378f2", "0x52d41ca72af615a1ac3301b0a93efa222ecc7541"],
    "extraData": "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",
    "gasUsed": "0x1d065",
    "governanceData": "0x",
    "hash": "0x7d68d09a7a571cdf8a3b6a5ef6e037265b3e3093cf145b0954d22bde5c1d4f61",
    "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
    "number": "0x6e0431",
    "parentHash": "0xa76ef625874a4d2126eb3fd1ebb5c1a8d0deb360a12b4f8edf30fb417d82b5a1",
    "proposer": "0xe783fc94fddaeebef7293d6c5864cff280f121e1",
    "receiptsRoot": "0x56734b337c3daab6766104bb51bd2ca408cf4537f5528ab3362536c57e65ba67",
    "reward": "0x79f83dbb81f6f706be3e8491b14790c30d03e659",
    "size": "0x947",
    "stateRoot": "0xf685dce2cbef004cb041cf23959aea65e8aa86911fac55739ae1971f7d1dacd4",
    "timestamp": "0x5d801768",
    "timestampFoS": "0x4",
    "totalBlockScore": "0x6e0432",
    "transactions": [
      {
        "blockHash": "0x7d68d09a7a571cdf8a3b6a5ef6e037265b3e3093cf145b0954d22bde5c1d4f61",
        "blockNumber": "0x6e0431",
        "contractAddress": null,
        "feePayer": "0x08260736c18bd8612bee2b21beedf4e97c0bc6b9",
        "feePayerSignatures": [
          {
            "V": "0x4055",
            "R": "0xd3fdd58e18e5a96d1f9af3d1aff31601d8e543a8085c78edfc8602db4c91b3c6",
            "S": "0x19d937e315472a188f11a6bb87f47e66a30b44ba907b5f01fcd47dab8d99f3f0"
          }
        ],
        "from": "0x84b605b268e89ccdf591974db82deaa48bce59dc",
        "gas": "0x419ce0",
        "gasPrice": "0x5d21dba00",
        "gasUsed": "0x1d065",
        "input": "0x50716652000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000013416c50000000000000000000000000000000000000000000000000000000000001f3f000000000000000000000000000000000000000000000000000000003b9af23c",
        "logs": [],
        "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
        "nonce": "0x8",
        "senderTxHash": "0x5fe7485db56c0c2b0eb54dd46e584a413193ad66b40e69281f44dadfa7409b2e",
        "signatures": [
          {
            "V": "0x4056",
            "R": "0xca32239c38e1080f3a394504e2a0bb9811cda0a87d25b750cbbab265d581074d",
            "S": "0x584ab136a483e755d9d458f9965ca0d514724c7b45f6123d19323f6fa7ccdb5f"
          }
        ],
        "status": "0x1",
        "to": "0x1db1b93447328dd904152f798ead97987844f7b7",
        "transactionHash": "0x020a2156bb4b29dc84f26887efae79e07a3d738b2856a66bbaab8aee18d507b5",
        "transactionIndex": "0x0",
        "type": "TxTypeFeeDelegatedSmartContractExecution",
        "typeInt": 49,
        "value": "0x0"
      }
    ],
    "transactionsRoot": "0x020a2156bb4b29dc84f26887efae79e07a3d738b2856a66bbaab8aee18d507b5",
    "voteData": "0x"
  }
}