mirror of
git://holbrook.no/eth-address-index
synced 2024-11-18 23:26:46 +01:00
79 lines
2.1 KiB
Python
79 lines
2.1 KiB
Python
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import logging
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import os
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import json
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import hashlib
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import web3
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import eth_tester
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logging.basicConfig(level=logging.DEBUG)
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logg = logging.getLogger()
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eth_params = eth_tester.backends.pyevm.main.get_default_genesis_params({
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'gas_limit': 9000000,
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})
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backend = eth_tester.PyEVMBackend(eth_params)
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instance = eth_tester.EthereumTester(backend)
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provider = web3.Web3.EthereumTesterProvider(instance)
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w3 = web3.Web3(provider)
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f = open('TokenEndorser.bin', 'r')
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bytecode = f.read()
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f.close()
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f = open('TokenEndorser.json', 'r')
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abi = json.load(f)
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f.close()
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token_address = web3.Web3.toChecksumAddress('0x' + os.urandom(20).hex())
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c = w3.eth.contract(abi=abi, bytecode=bytecode)
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tx_hash = c.constructor().transact({'from': w3.eth.accounts[0]})
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r = w3.eth.getTransactionReceipt(tx_hash)
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logg.debug('contract {} initial token {}'.format(r.contractAddress, token_address))
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c = w3.eth.contract(abi=abi, address=r.contractAddress)
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d = '0x' + os.urandom(32).hex()
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# Initial token will fail in any case
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c.functions.add(token_address, d).transact({'from':w3.eth.accounts[0]})
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fail = False
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try:
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c.functions.add(token_address, d).transact({'from':w3.eth.accounts[0]})
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except:
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fail = True
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pass
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if not fail:
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raise RuntimeError('expected fail on register same token to same address')
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c.functions.add(token_address, d).transact({'from':w3.eth.accounts[1]})
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h = hashlib.new('sha256')
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h.update(bytes.fromhex(token_address[2:]))
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h.update(bytes.fromhex(w3.eth.accounts[0][2:]))
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z = h.digest()
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assert d[2:] == c.functions.endorsement(z.hex()).call().hex()
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another_token_address = web3.Web3.toChecksumAddress('0x' + os.urandom(20).hex())
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c.functions.add(another_token_address, d).transact({'from':w3.eth.accounts[0]})
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assert c.functions.endorsers(w3.eth.accounts[0], 0).call() == 1
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assert c.functions.endorsers(w3.eth.accounts[1], 0).call() == 1
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assert c.functions.endorsers(w3.eth.accounts[0], 1).call() == 2
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assert c.functions.tokens(1).call() == token_address
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assert c.functions.tokens(2).call() == another_token_address
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assert c.functions.tokenIndex(token_address).call() == 1
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assert c.functions.tokenIndex(another_token_address).call() == 2
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