eth_getBlock

number: The block number. null if a pending block.
hash: Hash of the block. null if a pending block.
parentHash: Hash of the parent block
sha3Uncles : SHA3 of the uncles data in the block.
logsBloom: The bloom filter for the logs of the block. null if a pending block.
transactionsRoot: The root of the transaction trie of the block.
stateRoot : The root of the final state trie of the block.
miner : The address of the beneficiary to whom the mining rewards were given.
difficulty : Integer of the difficulty for this block.
totalDifficulty: Integer of the total difficulty of the chain until this block.
extraData: The “extra data” field of this block.
size: Integer the size of this block in bytes.
gasLimit: The maximum gas allowed in this block.
gasUsed: The total used gas by all transactions in this block.
timestamp: The unix timestamp for when the block was collated.
transactions: Array of transaction objects, or 32 Bytes transaction hashes depending on the returnTransactionObjects parameter.
uncles: Array of uncle hashes.
author ：
receiptsRoot ：
sealFields ：

Example

//block number

> web3.eth.getBlock(43458).then(console.log);

> {

author: '0xe4a61e41ac64a0e18c22bc3bf0f0e6c9ded3c08d',

difficulty: '0',

extraData: '0x',

gasLimit: 0,

gasUsed: 0,

hash: '0x0098d4eb6ec05bf6a7c727310b64ae9bfe1c5fb3ff57a3449bcededa00858015',

logsBloom: '0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',

miner: '0xE4A61E41ac64a0e18c22bc3bF0F0E6c9DeD3C08d',

number: 43458,

parentHash: '0x0dd1bb45074703797fbfcb970df49b17e27f72db05af9784279ded0692bbaafd',

receiptsRoot: '0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347',

sealFields: [

'0x0000000000000000000000000000000000000000000000000000000000000000',

'0x0000000000000000'

],

sha3Uncles: '0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347',

size: 509,

stateRoot: '0x341e4f8c138596ef775ee35c82d196b1b97dc5ee2b4c474bff0d0437da9e355c',

timestamp: 1609917924,

totalDifficulty: null,

transactions: [],

transactionsRoot: '0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421',

uncles: []

}