49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
import requests
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# Define the RPC endpoints
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rpc_url_1 = "$1"
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rpc_url_2 = "$2"
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# Define the JSON-RPC payload
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def get_block_by_number_payload(block_number):
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return {
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"jsonrpc": "2.0",
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"method": "eth_getBlockByNumber",
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"params": [hex(block_number), False],
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"id": 1
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}
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# Function to get the latest block number
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def get_latest_block_number(rpc_url):
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response = requests.post(rpc_url, json={
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"jsonrpc": "2.0",
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"method": "eth_blockNumber",
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"params": [],
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"id": 1
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})
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result = response.json()
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return int(result['result'], 16)
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# Function to get the block hash by block number
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def get_block_hash(rpc_url, block_number):
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response = requests.post(rpc_url, json=get_block_by_number_payload(block_number))
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result = response.json()
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return result['result']['hash']
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# Get the latest block number from the first RPC endpoint
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latest_block_number = get_latest_block_number(rpc_url_1)
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# Iterate from the latest block down to the earliest
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for block_number in range(latest_block_number, -1, -1):
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hash_1 = get_block_hash(rpc_url_1, block_number)
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hash_2 = get_block_hash(rpc_url_2, block_number)
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if hash_1 == hash_2:
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print(f"The first matching block is {block_number}")
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print(f"Block hash: {hash_1}")
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break
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else:
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print(f"The first matching block is {block_number} - {hash_1} - {hash_2}")
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else:
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print("No matching block hash found.")
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