eth-address-index/python/tests/test_tokenendorse.py

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import os
import unittest
import json
import logging
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import hashlib
import web3
import eth_tester
import eth_abi
logging.basicConfig(level=logging.DEBUG)
logg = logging.getLogger()
logging.getLogger('web3').setLevel(logging.WARNING)
logging.getLogger('eth.vm').setLevel(logging.WARNING)
testdir = os.path.dirname(__file__)
class Test(unittest.TestCase):
contract = None
def setUp(self):
eth_params = eth_tester.backends.pyevm.main.get_default_genesis_params({
'gas_limit': 9000000,
})
# create store of used accounts
f = open(os.path.join(testdir, '../eth_token_endorser/data/TokenEndorser.bin'), 'r')
bytecode = f.read()
f.close()
f = open(os.path.join(testdir, '../eth_token_endorser/data/TokenEndorser.json'), 'r')
self.abi = json.load(f)
f.close()
backend = eth_tester.PyEVMBackend(eth_params)
self.eth_tester = eth_tester.EthereumTester(backend)
provider = web3.Web3.EthereumTesterProvider(self.eth_tester)
self.w3 = web3.Web3(provider)
c = self.w3.eth.contract(abi=self.abi, bytecode=bytecode)
tx_hash = c.constructor().transact({'from': self.w3.eth.accounts[0]})
r = self.w3.eth.getTransactionReceipt(tx_hash)
self.address = r.contractAddress
# create token
f = open(os.path.join(testdir, '../eth_token_endorser/data/GiftableToken.bin'), 'r')
bytecode = f.read()
f.close()
f = open(os.path.join(testdir, '../eth_token_endorser/data/GiftableToken.json'), 'r')
self.abi_token = json.load(f)
f.close()
t = self.w3.eth.contract(abi=self.abi_token, bytecode=bytecode)
tx_hash = t.constructor('Foo Token', 'FOO', 18).transact({'from': self.w3.eth.accounts[0]})
r = self.w3.eth.getTransactionReceipt(tx_hash)
self.address_token_one = r.contractAddress
t = self.w3.eth.contract(abi=self.abi_token, bytecode=bytecode)
tx_hash = t.constructor('Bar Token', 'BAR', 18).transact({'from': self.w3.eth.accounts[0]})
r = self.w3.eth.getTransactionReceipt(tx_hash)
self.address_token_two = r.contractAddress
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def tearDown(self):
pass
def test_basic(self):
c = self.w3.eth.contract(abi=self.abi, address=self.address)
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d = '0x' + os.urandom(32).hex()
c.functions.add(self.address_token_one, d).transact({'from': self.w3.eth.accounts[0]})
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with self.assertRaises(Exception):
c.functions.add(self.address_token_one, d).transact({'from': self.w3.eth.accounts[0]})
c.functions.add(self.address_token_one, d).transact({'from': self.w3.eth.accounts[1]})
c.functions.add(self.address_token_two, d).transact({'from': self.w3.eth.accounts[0]})
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c.functions.add(self.address_token_two, d).transact({'from': self.w3.eth.accounts[1]})
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def test_endorsement(self):
c = self.w3.eth.contract(abi=self.abi, address=self.address)
d = '0x' + os.urandom(32).hex()
c.functions.add(self.address_token_one, d).transact({'from': self.w3.eth.accounts[0]})
c.functions.add(self.address_token_one, d).transact({'from': self.w3.eth.accounts[1]})
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h = hashlib.new('sha256')
h.update(bytes.fromhex(self.address_token_one[2:]))
h.update(bytes.fromhex(self.w3.eth.accounts[0][2:]))
z = h.digest()
assert d[2:] == c.functions.endorsement(z.hex()).call().hex()
c.functions.add(self.address_token_two, d).transact({'from': self.w3.eth.accounts[0]})
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assert c.functions.endorsers(self.w3.eth.accounts[0], 0).call() == 1
assert c.functions.endorsers(self.w3.eth.accounts[1], 0).call() == 1
assert c.functions.endorsers(self.w3.eth.accounts[0], 1).call() == 2
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assert c.functions.tokens(1).call() == self.address_token_one
assert c.functions.tokens(2).call() == self.address_token_two
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assert c.functions.tokenIndex(self.address_token_one).call() == 1
assert c.functions.tokenIndex(self.address_token_two).call() == 2
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def test_symbol_index(self):
c = self.w3.eth.contract(abi=self.abi, address=self.address)
d = '0x' + os.urandom(32).hex()
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c.functions.add(self.address_token_one, d).transact({'from': self.w3.eth.accounts[0]})
c.functions.add(self.address_token_one, d).transact({'from': self.w3.eth.accounts[1]})
c.functions.add(self.address_token_two, d).transact({'from': self.w3.eth.accounts[1]})
self.assertEqual(c.functions.tokenSymbolIndex('FOO').call(), self.address_token_one);
self.assertEqual(c.functions.tokenSymbolIndex('BAR').call(), self.address_token_two);
if __name__ == '__main__':
unittest.main()