vyper-debug/bin/vyper-run

148 lines
5.1 KiB
Python
Executable File

#!/usr/bin/env python3.6
import argparse
import vyper
from pprint import pprint
from vyper import compiler
from vyper.parser import (
parser,
)
from vdb.vdb import (
set_evm_opcode_debugger,
set_evm_opcode_pass
)
from vdb.source_map import (
produce_source_map
)
from eth_tester import (
EthereumTester,
)
from web3.providers.eth_tester import (
EthereumTesterProvider,
)
from web3 import (
Web3,
)
aparser = argparse.ArgumentParser(description='Vyper {0} quick CLI runner'.format(vyper.__version__))
aparser.add_argument('input_file', help='Vyper sourcecode to run')
aparser.add_argument('call_list', help='call list, without parameters: func, with parameters func(1, 2, 3). Semicolon separated')
aparser.add_argument('-i', help='init args, comma separated', default='', dest='init_args')
args = aparser.parse_args()
set_evm_opcode_pass() # by default just pass over the debug opcode.
def cast_types(args, abi_signature):
newargs = args.copy()
for idx, abi_arg in enumerate(abi_signature['inputs']):
if abi_arg['type'] in ('int128', 'uint256'):
newargs[idx] = int(args[idx])
elif abi_arg['type'].startswith('bytes'):
newargs[idx] = args[idx].encode()
return newargs
def get_tester():
tester = EthereumTester()
def zero_gas_price_strategy(web3, transaction_params=None):
return 0 # zero gas price makes testing simpler.
w3 = Web3(EthereumTesterProvider(tester))
w3.eth.setGasPriceStrategy(zero_gas_price_strategy)
return tester, w3
def get_contract(w3, source_code, *args, **kwargs):
abi = compiler.mk_full_signature(source_code)
bytecode = '0x' + compiler.compile(source_code).hex()
contract = w3.eth.contract(abi=abi, bytecode=bytecode)
value = kwargs.pop('value', 0)
value_in_eth = kwargs.pop('value_in_eth', 0)
value = value_in_eth * 10**18 if value_in_eth else value # Handle deploying with an eth value.
gasPrice = kwargs.pop('gasPrice', 0)
deploy_transaction = {
'from': w3.eth.accounts[0],
'data': contract._encode_constructor_data(args, kwargs),
'value': value,
'gasPrice': gasPrice
}
tx = w3.eth.sendTransaction(deploy_transaction)
address = w3.eth.getTransactionReceipt(tx)['contractAddress']
contract = w3.eth.contract(address, abi=abi, bytecode=bytecode)
# Filter logs.
contract._logfilter = w3.eth.filter({
'fromBlock': w3.eth.blockNumber - 1,
'address': contract.address
})
return contract
if __name__ == '__main__':
with open(args.input_file) as fh:
code = fh.read()
# Patch in vdb.
init_args = args.init_args.split(',') if args.init_args else []
tester, w3 = get_tester()
# Built list of calls to make.
calls = []
for signature in args.call_list.split(';'):
name = signature.strip()
args = []
if '(' in signature:
start_pos = signature.find('(')
name = signature[:start_pos].strip()
args = signature[start_pos + 1:-1].split(',')
args = [arg.strip() for arg in args]
args = [arg for arg in args if len(arg) > 0]
calls.append((name, args))
abi = compiler.mk_full_signature(code)
# Format init args.
if init_args:
init_abi = next(filter(lambda func: func["name"] == '__init__', abi))
init_args = cast_types(init_args, init_abi)
# Compile contract to chain.
contract = get_contract(w3, code, *init_args, language='vyper')
# Execute calls
for func_name, args in calls:
if not hasattr(contract.functions, func_name):
print('\n No method {} found, skipping.'.format(func_name))
continue
print('\n* Calling {}({})'.format(func_name, ','.join(args)))
func_abi = next(filter(lambda func: func["name"] == func_name, abi))
if len(args) != len(func_abi['inputs']):
print('Argument mismatch, please provide correct arguments.')
break
cast_args = cast_types(args, func_abi)
res = getattr(contract.functions, func_name)(*cast_args).call({'gas': func_abi['gas'] + 22000})
source_map = produce_source_map(code)
set_evm_opcode_debugger(source_code=code, source_map=source_map)
tx_hash = getattr(contract.functions, func_name)(*cast_args).transact({'gas': func_abi['gas'] + 22000})
set_evm_opcode_pass()
print('- Returns:')
pprint('{}'.format(res))
# Detect any new log events, and print them.
print('- Logs:')
event_names = [x['name'] for x in abi if x['type'] == 'event']
tx_receipt = w3.eth.getTransactionReceipt(tx_hash)
for event_name in event_names:
logs = getattr(contract.events, event_name)().processReceipt(tx_receipt)
for log in logs:
print(log.event + ":")
pprint(dict(log.args))
else:
print(' No events found.')