2022-01-23 23:07:59 +01:00
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# standard imports
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import urllib.request
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import json
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# external imports
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from hexathon import add_0x
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from chainlib.eth.block import (
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block_by_hash,
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Block,
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)
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from chainlib.eth.tx import (
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Tx,
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receipt,
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)
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class EtherscanImporter:
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def __init__(self, rpc, api_key, filters=[], block_callback=None):
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self.api_key = api_key
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self.filters = filters
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self.rpc = rpc
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self.block_callback = block_callback
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def get(self, address):
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2022-01-24 01:17:27 +01:00
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#f = open('sample_import.json', 'r')
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#o = json.load(f)
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#f.close()
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o = self.get_api(address)
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2022-01-23 23:07:59 +01:00
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for v in o['result']:
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o = block_by_hash(v['blockHash'])
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r = self.rpc.do(o)
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block = Block(r)
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if self.block_callback != None:
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self.block_callback(block)
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tx_src = block.txs[int(v['transactionIndex'])]
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o = receipt(tx_src['hash'])
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r = self.rpc.do(o)
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tx = Tx.from_src(tx_src, block=block, rcpt=r)
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for fltr in self.filters:
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fltr.filter(self.rpc, block, tx)
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def get_api(self, address):
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a = add_0x(address)
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req = urllib.request.Request(url='https://api.etherscan.io/api?module=account&action=txlist&address={}&tag=latest&api_key={}'.format(a, self.api_key))
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req.add_header('Content-Length', 0)
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req.add_header('Accept', 'application/json')
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r = urllib.request.urlopen(req)
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return json.load(r)
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