hmy_getBlockByNumber
GetBlockByNumber
Get block by its index in the blockchain.
API v1
Parameters
String - The block number.
Boolean - If true, the returned block will contain all transactions in the block.
Returns
number - Number: The block number. null when its pending block.
hash 32 Bytes - String: Hash of the block. null when its pending block.
parentHash 32 Bytes - String: Hash of the parent block.
nonce 8 Bytes - String: Hash of the generated proof-of-work. null when its pending block.
logsBloom 256 Bytes - String: The bloom filter for the logs of the block. null when its pending block.
transactionsRoot 32 Bytes - String: The root of the transaction trie of the block
stateRoot 32 Bytes - String: The root of the final state trie of the block.
miner - String: The address of the beneficiary to whom the mining rewards were given.
difficulty - String: Integer of the difficulty for this block.
extraData - String: The “extra data” field of this block.
size - Number: Integer the size of this block in bytes.
gasLimit - Number: The maximum gas allowed in this block.
gasUsed - Number: The total used gas by all transactions in this block.
timestamp - Number: The unix timestamp for when the block was collated.
stakingTransactions - Array: Array of staking transactions object; are present by default
transactions - Array: Array of transaction objects; absent if second parameter is false.
uncles - Array: Array of uncle hashes.
Sample Curl Request
curl -d '{
"jsonrpc":"2.0",
"method":"hmy_getBlockByNumber",
"params":[
"0x66", true],
"id":1
}' -H "Content-Type:application/json" -X POST "https://api.s0.b.hmny.io"
Sample Curl Response
{
"jsonrpc": "2.0",
"id": 1,
"result": {
"difficulty": 0,
"extraData": "0x",
"gasLimit": "0x4f6e2a",
"gasUsed": "0x0",
"hash": "0x660fe701f580ffebfcfb4af1836c9929c1fd0014d8d79d60749fecf52df7a90d",
"logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"miner": "0x0b585f8daefbc68a311fbd4cb20d9174ad174016",
"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"nonce": 0,
"number": "0x66",
"parentHash": "0xcac989d8ba18e88ab245686e491a171d46b759e85290a3fc6df80553d2ac582f",
"receiptsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"size": "0x25d",
"stateRoot": "0x830ff6830857f88bdc56141449d0729a663c6413dc0dc909fc1f3715dd576cee",
"timestamp": "0x5d570a3f",
"transactions": [],
"transactionsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"uncles": []
}
}
API v2
Parameters
Number - The block number.
blockArgs - optional args struct in json format (should be used just with { })
fullTx - Bool: To show full tx or not
withSigners- Bool: Include block signes in blocks or not
inclStaking - Bool: To show staking txs or not
Returns
number - Number: The block number. null when its pending block.
hash 32 Bytes - String: Hash of the block. null when its pending block.
parentHash 32 Bytes - String: Hash of the parent block.
nonce 8 Bytes - String: Hash of the generated proof-of-work. null when its pending block.
logsBloom 256 Bytes - String: The bloom filter for the logs of the block. null when its pending block.
transactionsRoot 32 Bytes - String: The root of the transaction trie of the block
stateRoot 32 Bytes - String: The root of the final state trie of the block.
miner - String: The address of the beneficiary to whom the mining rewards were given.
difficulty - String: Integer of the difficulty for this block.
extraData - String: The “extra data” field of this block.
size - Number: Integer the size of this block in bytes.
gasLimit - Number: The maximum gas allowed in this block.
gasUsed - Number: The total used gas by all transactions in this block.
timestamp - Number: The unix timestamp for when the block was collated.
stakingTransactions - Array: Array of staking transactions object; absent if inclStaking is false, are present by default
transactions - Array: Array of transaction objects; absent if second parameter is false.
uncles - Array: Array of uncle hashes.
Sample Curl Request
curl -d '{
"jsonrpc":"2.0",
"method":"hmyv2_getBlockByNumber",
"params":[
1,
{
"fullTx": true,
"inclTx": true,
"withSigners": true,
}],
"id":1
}' -H "Content-Type:application/json" -X POST "https://api.s0.b.hmny.io"
Sample Curl Response
{
"jsonrpc": "2.0",
"id": 1,
"result": {
"difficulty": 0,
"extraData": "0x",
"gasLimit": 4716988,
"gasUsed": 0,
"hash": "0xa3b7dd8626bfc6f6037c06401ceaa752bb54f0539535aea9883170e305e3b6c5",
"logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"miner": "0x0b585f8daefbc68a311fbd4cb20d9174ad174016",
"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"nonce": 0,
"number": 1,
"parentHash": "0x34a8b155f90b8fc22342fc8b5d1c969ed836a2f666c506e4017b570dc337e88c",
"receiptsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"signers": [
"one1pdv9lrdwl0rg5vglh4xtyrv3wjk3wsqket7zxy",
"one12fuf7x9rgtdgqg7vgq0962c556m3p7afsxgvll",
"one1pf75h0t4am90z8uv3y0dgunfqp4lj8wr3t5rsp",
"one1spshr72utf6rwxseaz339j09ed8p6f8ke370zj",
"one1d2rngmem4x2c6zxsjjz29dlah0jzkr0k2n88wc",
"one1a50tun737ulcvwy0yvve0pvu5skq0kjargvhwe",
"one103q7qe5t2505lypvltkqtddaef5tzfxwsse4z7"
],
"size": 827,
"stakingTransactions": [],
"stateRoot": "0xae22370df046aa8c4470a032ecc88609efc08438abe79fd9e7f134b077a11fb6",
"timestamp": 1580419937,
"transactions": [],
"transactionsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"uncles": []
}
}