mirror of
git://holbrook.no/eth-accounts-index
synced 2024-09-27 21:27:25 +02:00
86 lines
2.3 KiB
Python
86 lines
2.3 KiB
Python
import logging
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import json
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import os
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logging.basicConfig(level=logging.DEBUG)
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logg = logging.getLogger()
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moddir = os.path.dirname(__file__)
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datadir = os.path.join(moddir, 'data')
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class AccountRegistry:
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__abi = None
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__bytecode = None
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def __init__(self, w3, address, signer_address=None):
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abi = AccountRegistry.abi()
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AccountRegistry.bytecode()
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self.contract = w3.eth.contract(abi=abi, address=address)
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self.w3 = w3
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if signer_address != None:
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self.signer_address = signer_address
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else:
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if type(self.w3.eth.defaultAccount).__name__ == 'Empty':
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self.w3.eth.defaultAccount = self.w3.eth.accounts[0]
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self.signer_address = self.w3.eth.defaultAccount
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@staticmethod
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def abi():
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if AccountRegistry.__abi == None:
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f = open(os.path.join(datadir, 'registry.abi.json'), 'r')
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AccountRegistry.__abi = json.load(f)
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f.close()
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return AccountRegistry.__abi
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@staticmethod
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def bytecode():
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if AccountRegistry.__bytecode == None:
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f = open(os.path.join(datadir, 'registry.bin'))
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AccountRegistry.__bytecode = f.read()
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f.close()
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return AccountRegistry.__bytecode
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def add(self, address):
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gasPrice = self.w3.eth.gasPrice;
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nonce = self.w3.eth.getTransactionCount(self.signer_address, 'pending')
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tx = self.contract.functions.add(address).buildTransaction({
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'gasPrice': gasPrice,
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'gas': 100000,
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'from': self.signer_address,
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'nonce': nonce,
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})
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logg.debug('tx {}'.format(tx))
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tx_hash = self.contract.functions.add(address).transact({
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'gasPrice': gasPrice,
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'gas': 100000,
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'from': self.signer_address,
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'nonce': nonce,
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})
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return tx_hash
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def count(self):
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return self.contract.functions.count().call()
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def have(self, address):
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r = self.contract.functions.accountsIndex(address).call()
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return r != 0
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def last(self, n):
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c = self.count()
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lo = c - n - 1
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if lo < 0:
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lo = 0
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accounts = []
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for i in range(c - 1, lo, -1):
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a = self.contract.functions.accounts(i).call()
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accounts.append(a)
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return accounts
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