Added DAO tests

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vub 2016-07-16 06:33:48 -04:00
parent 7f4e32603f
commit eff0f4d4f2
3 changed files with 152 additions and 0 deletions

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from ethereum.state import State
import json
from ethereum import abi
from ethereum.utils import normalize_address
from ethereum.state_transition import apply_transaction, apply_const_message
from ethereum.vm import Message, CallData
from ethereum.config import Env
from ethereum.parse_genesis_declaration import mk_basic_state
from ethereum.transactions import Transaction
account_dict = json.load(open('dao_dump.json'))
withdrawer_code = '0x' + open('bytecode.txt').read().strip()
true, false = True, False
withdrawer_ct = abi.ContractTranslator([{"constant":false,"inputs":[],"name":"trusteeWithdraw","outputs":[],"type":"function"},{"constant":false,"inputs":[],"name":"withdraw","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"mainDAO","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":true,"inputs":[],"name":"trustee","outputs":[{"name":"","type":"address"}],"type":"function"}])
dao_ct = abi.ContractTranslator([{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_amount","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"type":"function"},{"constant":true,"inputs":[],"name":"standard","outputs":[{"name":"","type":"string"}],"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"type":"function"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"},{"indexed":false,"name":"_amount","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_owner","type":"address"},{"indexed":true,"name":"_spender","type":"address"},{"indexed":false,"name":"_amount","type":"uint256"}],"name":"Approval","type":"event"}])
# Initialize state
dao = "0xbb9bc244d798123fde783fcc1c72d3bb8c189413"
withdrawer = "0xbf4ed7b27f1d666546e30d74d50d173d20bca754"
my_account = "0x1db3439a222c519ab44bb1144fc28167b4fa6ee6"
my_other_account = "0xd8da6bf26964af9d7eed9e03e53415d37aa96045"
curator = "0xda4a4626d3e16e094de3225a751aab7128e96526"
state = mk_basic_state({
dao: account_dict,
withdrawer: {
"code": withdrawer_code,
"balance": "12072877497524777000000000",
"storage": {
"0x": "0xda4a4626d3e16e094de3225a751aab7128e96526"
}
},
}, {
"number": 1920001,
"gas_limit": 4712388,
"gas_used": 0,
"timestamp": 1467446877,
"difficulty": 2**25,
"hash": '00' * 32,
"uncles_hash": '00' * 32
}, Env())
import sys
state.log_listeners.append(lambda x: sys.stdout.write(str(dao_ct.listen(x))+'\n'))
state.log_listeners.append(lambda x: sys.stdout.write(str(withdrawer_ct.listen(x))+'\n'))
print 'State created'
# Check pre-balance
pre_balance = state.get_balance(my_account)
pre_dao_tokens = dao_ct.decode('balanceOf', ''.join(map(chr, apply_const_message(state, Message(normalize_address(my_account), normalize_address(dao), 0, 1000000, CallData([ord(x) for x in dao_ct.encode('balanceOf', [my_account])]), code_address=dao)))))[0]
print 'Pre ETH (wei) balance: %d' % pre_balance
print 'Pre DAO (base unit) balance: %d' % pre_dao_tokens
# Approve the withdrawal
tx1 = Transaction(state.get_nonce(my_account), 0, 1000000, dao, 0, dao_ct.encode('approve', [withdrawer, 100000 * 10**18])).sign('\x33' * 32)
tx1._sender = normalize_address(my_account)
apply_transaction(state, tx1)
# Check allowance
allowance = dao_ct.decode('allowance', ''.join(map(chr, apply_const_message(state, Message(normalize_address(my_account), normalize_address(dao), 0, 1000000, CallData([ord(x) for x in dao_ct.encode('allowance', [my_account, withdrawer])]), code_address=dao)))))[0]
assert allowance == 100000 * 10**18, allowance
print 'Allowance verified'
# Claim the ETH
tx2 = Transaction(state.get_nonce(my_account), 0, 1000000, withdrawer, 0, withdrawer_ct.encode('withdraw', [])).sign('\x33' * 32)
tx2._sender = normalize_address(my_account)
apply_transaction(state, tx2)
# Compare post_balance
post_balance = state.get_balance(my_account)
post_dao_tokens = dao_ct.decode('balanceOf', ''.join(map(chr, apply_const_message(state, Message(normalize_address(my_account), normalize_address(dao), 0, 1000000, CallData([ord(x) for x in dao_ct.encode('balanceOf', [my_account])]), code_address=dao)))))[0]
print 'Post ETH (wei) balance: %d' % post_balance
print 'Post DAO (base unit) balance: %d' % post_dao_tokens
assert post_dao_tokens == 0
assert post_balance - pre_balance == pre_dao_tokens
print 'Withdrawing once works'
# Try to claim post_balance again, should have no effect
tx3 = Transaction(state.get_nonce(my_account), 0, 1000000, withdrawer, 0, withdrawer_ct.encode('withdraw', [])).sign('\x33' * 32)
tx3._sender = normalize_address(my_account)
apply_transaction(state, tx3)
post_balance2 = state.get_balance(my_account)
post_dao_tokens2 = dao_ct.decode('balanceOf', ''.join(map(chr, apply_const_message(state, Message(normalize_address(my_account), normalize_address(dao), 0, 1000000, CallData([ord(x) for x in dao_ct.encode('balanceOf', [my_account])]), code_address=dao)))))[0]
assert post_balance2 == post_balance
assert post_dao_tokens2 == post_dao_tokens
# Curator withdraw
pre_curator_balance = state.get_balance(curator)
pre_withdrawer_balance = state.get_balance(withdrawer)
# from ethereum.slogging import LogRecorder, configure_logging, set_level
# config_string = ':info,eth.vm.log:trace,eth.vm.op:trace,eth.vm.stack:trace,eth.vm.exit:trace,eth.pb.msg:trace,eth.pb.tx:debug'
# configure_logging(config_string=config_string)
tx4 = Transaction(0, 0, 1000000, withdrawer, 0, withdrawer_ct.encode('trusteeWithdraw', [])).sign('\x33' * 32)
apply_transaction(state, tx4)
post_curator_balance = state.get_balance(curator)
post_withdrawer_balance = state.get_balance(withdrawer)
print 'Curator withdrawn', post_curator_balance - pre_curator_balance
assert 500000 * 10**18 < post_curator_balance - pre_curator_balance < 600000 * 10**18
assert pre_curator_balance + pre_withdrawer_balance == post_curator_balance + post_withdrawer_balance
tx5 = Transaction(1, 0, 1000000, withdrawer, 0, withdrawer_ct.encode('trusteeWithdraw', [])).sign('\x33' * 32)
apply_transaction(state, tx5)
post_curator_balance2 = state.get_balance(curator)
post_withdrawer_balance2 = state.get_balance(withdrawer)
assert post_curator_balance2 == post_curator_balance
assert post_withdrawer_balance2 == post_withdrawer_balance
print 'Second withdrawal has no effect as expected'
# Withdraw again, and try curator withdrawing again
tx6 = Transaction(state.get_nonce(my_other_account), 0, 1000000, dao, 0, dao_ct.encode('approve', [withdrawer, 100000 * 10**18])).sign('\x33' * 32)
tx6._sender = normalize_address(my_other_account)
apply_transaction(state, tx6)
tx7 = Transaction(state.get_nonce(my_other_account), 0, 1000000, withdrawer, 0, withdrawer_ct.encode('withdraw', [])).sign('\x33' * 32)
tx7._sender = normalize_address(my_other_account)
apply_transaction(state, tx7)
post_withdrawer_balance3 = state.get_balance(withdrawer)
print 'Another %d wei withdrawn' % (post_withdrawer_balance2 - post_withdrawer_balance3)
assert post_withdrawer_balance3 < post_withdrawer_balance2
tx8 = Transaction(2, 0, 1000000, withdrawer, 0, withdrawer_ct.encode('trusteeWithdraw', [])).sign('\x33' * 32)
apply_transaction(state, tx8)
post_curator_balance3 = state.get_balance(curator)
assert post_curator_balance2 == post_curator_balance
print 'Third withdrawal has no effect as expected'