eth_getBlockByHash | BNB Chain

BNB Chain API method that returns information about the block matching the given block hash. This method can be useful for analyzing a block and its transactions.


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  • hash β€” the hash of the block
  • boolean β€” if true, it returns the details of each transaction. If false, only the hashes of the transactions.


  • object β€” block object, or null when no block was found.
    • number β€” the block number of the requested block, encoded as hexadecimal. null if the block is pending.
    • hash β€” the block hash of the requested block. null if the block is pending.
    • parenthash β€” the previous block's hash used to generate the current block. Also known as the 'parent block'.
    • nonce β€” the hash used to demonstrate proof-of-work. null if the block is pending. It returns 0x0000000000000000 when the consensus is proof-of-stake.
    • sha3uncles β€” the hash of the list of uncles included in the block. It is used to identify the block uniquely and to verify the integrity of the block's data.
    • logsbloom β€” the bloom filter for the block logs, a data structure that allows for efficient membership testing of elements in a set, in this case, the logs included in the block. null if pending.
    • transactionsroot β€” the root of the transaction trie of the block. The transactionsRoot field allows nodes to verify the integrity of the transactions in a block.
    • stateroot β€” the root of the final state trie of the block. The stateroot field is included in the block header and is used to verify the integrity of the state at the time the block was processed
    • receiptsrootβ€” the root of the block's receipts trie. This is a 32-byte hash of the root node of the receipts trie for all transactions in the block. It is used to verify the integrity of the receipt data for all transactions in the block.
    • miner β€” the address of the miner receiving the reward.
    • difficulty β€” a measure of how hard it is to find a valid block for the blockchain. It is a number that increases as more miners join the network and more blocks are added to the chain. Encoded as hexadecimal.
    • totaldifficulty β€” the cumulative sum of the difficulty of all blocks that have been mined in the network since the inception of the network. It measures the overall security and integrity of the network.
    • extradata β€” the extra data included in a block by the miner who mined it. It often includes messages or other information related to the block.
    • size β€” the size of this block in bytes as an integer value, encoded as hexadecimal.
    • gaslimit β€” the maximum gas allowed in this block, encoded as hexadecimal.
    • gasused β€” the total used gas by all transactions in this block, encoded as hexadecimal.
    • timestamp β€” the Unix timestamp for when the block was collated.
    • transactions β€” an array of transaction objects. See eth_getTransactionByHash for the exact shape.
    • uncles β€” the array of uncle hashes.

eth_getBlockByHash code examples

const { Web3 } = require("web3");
const web3 = new Web3(NODE_URL);

async function getBlock(blockHash) {
    const block = await web3.eth.getBlock(blockHash, false);
const ethers = require('ethers');
const provider = new ethers.JsonRpcProvider(NODE_URL);

const eth_getBlockByHash = async () => {
    const blockByNumber = await provider.send("eth_getBlockByHash", ["0x06edbf31479cd7452a1d579ec7990a631068b670de89c06822ceaef58f3729d4",false]);

# BNB is a Proof of Authority (POA) chain. requires the use of the POA compatibility middleware.
from web3 import Web3
from web3.middleware import geth_poa_middleware

web3 = Web3(Web3.HTTPProvider(node_url))

# Inject the POA compatibility middleware to the innermost layer.
web3.middleware_onion.inject(geth_poa_middleware, layer=0)

print(web3.eth.get_block("0x06edbf31479cd7452a1d579ec7990a631068b670de89c06822ceaef58f3729d4", False))

Use case

The eth_getBlockByHash is excellent for analytics purposes. For example, it can be used to quickly find out the hashes of transactions that create new smart contracts. The transactions field, an array of all the transactions within the block, is returned in the response. By iterating through this array and examining each transaction's to field, a user can determine which transactions in the block are creating new smart contracts.

Try the eth_getBlockByHash RPC method yourself

Click Try It! to start a request and see the response here!