def get_casper_ct():
import serpent
global _casper_ct
if not _casper_ct:
_casper_ct = abi.ContractTranslator(
serpent.mk_full_signature(open(casper_path).read()))
return _casper_ct
def getinfo(name):
info = get(name)
fullname = getfullname(name)
if info and new_enough(fullname, info):
return info
else:
code = IMPORTP.sub(import_repl, open(fullname).read())
evm = '0x' + serpent.compile(code).encode('hex')
sig = serpent.mk_signature(code)
fullsig = serpent.mk_full_signature(code)
address = RPC.eth_sendTransaction(sender=COINBASE, data=evm, gas=GAS)
print Style.BRIGHT + "Waiting for " + name + " to get on chain..."
check = RPC.eth_getCode(address)['result']
tries = 1
while check == '0x' and tries < TRIES:
time.sleep(12)
check = RPC.eth_getCode(address)['result']
tries += 1
if tries == TRIES and check == '0x':
print ERROR, 'couldn\'t load contract to chain:', name
print 'ABORTING'
sys.exit(1)
newinfo = {
'addr': address,
'sig': sig,
'fullsig': fullsig,
'mtime': os.path.getmtime(fullname)
}
put(name, newinfo)
return newinfo
def getinfo(name):
info = get(name)
fullname = getfullname(name)
if info and new_enough(fullname, info):
return info
else:
code = IMPORTP.sub(import_repl, open(fullname).read())
evm = '0x' + serpent.compile(code).encode('hex')
sig = serpent.mk_signature(code)
fullsig = serpent.mk_full_signature(code)
address = RPC.eth_sendTransaction(sender=COINBASE, data=evm, gas=GAS)
print Style.BRIGHT + "Waiting for " + name + " to get on chain..."
check = RPC.eth_getCode(address)['result']
tries = 1
while check == '0x' and tries < TRIES:
time.sleep(12)
check = RPC.eth_getCode(address)['result']
tries += 1
if tries == TRIES and check == '0x':
print ERROR, 'couldn\'t load contract to chain:', name
print 'ABORTING'
sys.exit(1)
newinfo = {'addr':address, 'sig':sig, 'fullsig':fullsig, 'mtime':os.path.getmtime(fullname)}
put(name, newinfo)
return newinfo
def setup_class(cls):
cls.s = tester.state()
cls.m = cls.s.abi_contract(cls.MARKET_CONTRACT, gas=cls.CONTRACT_GAS)
cls.heap_abi = abi.ContractTranslator(
mk_full_signature(cls.HEAP_CONTRACT))
cls.snapshot = cls.s.snapshot()
def test_evm():
evm_code = serpent.compile(serpent_code)
translator = abi.ContractTranslator(serpent.mk_full_signature(
serpent_code))
data = translator.encode('main', [2, 5])
s = tester.state()
c = s.evm(evm_code)
o = translator.decode('main', s.send(tester.k0, c, 0, data))
assert o == [32]
def test_evm():
evm_code = serpent.compile(serpent_code)
translator = abi.ContractTranslator(
serpent.mk_full_signature(serpent_code))
data = translator.encode('main', [2, 5])
s = tester.state()
c = s.evm(evm_code)
o = translator.decode('main', s.send(tester.k0, c, 0, data))
assert o == [32]
def test_evm():
evm_code = serpent.compile(serpent_code)
translator = abi.ContractTranslator(
serpent.mk_full_signature(serpent_code))
data = translator.encode('main', [2, 5])
c = tester.Chain()
x = c.contract(evm_code, l='evm')
o = translator.decode('main', c.tx(tester.k0, x, 0, data))
assert o == [32]
def main():
svcoin = '''\
def init():
sstore(tx.origin, 21*10**9)
def sendSVCoins(to, amount):
with my_bal = sload(msg.sender):
if amount < my_bal:
sstore(msg.sender, my_bal - amount)
sstore(to, sload(to) + amount)
return(1)
return(-1)
def mySVCoinBalance():
return(sload(msg.sender))
def getSVCoinBalance(address):
return(sload(address))
'''
evm = '0x' + serpent.compile(svcoin).encode('hex')
fullsig = json.loads(serpent.mk_full_signature(svcoin))
node = TestNode(log=open(os.devnull, 'w'), verbose=False)
node.start()
rpc = RPC_Client((node.rpchost, node.rpcport), 0)
password = os.urandom(32).encode('hex')
account = rpc.personal_newAccount(password)['result']
rpc.personal_unlockAccount(account, password, hex(500))
rpc.miner_start(2)
balance = 0
while balance < int(MAXGAS, 16):
balance = int(rpc.eth_getBalance(account)['result'], 16)
txhash = rpc.eth_sendTransaction(sender=account, data=evm,
gas=MAXGAS)['result']
while True:
response = rpc.eth_getTransactionReceipt(txhash)
receipt = response.get('result', False)
if receipt:
blocknumber = receipt.get('blockNumber', False)
if blocknumber:
address = receipt['contractAddress']
break
contract = Contract(address, fullsig, rpc)
print 'My balance is', contract.mySVCoinBalance(call=True)
receipt = contract.sendSVCoins(2, 10000, send=True, receipt=True)
print 'Sent coins to address 2, receipt:'
print json.dumps(receipt, indent=4, sort_keys=True)
print 'Balance at address 2 is', contract.getSVCoinBalance(2, call=True)
def update_contract_api(contract_name, contract_path, old_api):
fullsig = serpent.mk_full_signature(contract_path)
if type(fullsig) == str or type(fullsig) == buffer:
fullsig = json.loads(fullsig)
events_api = update_contract_events_api(contract_name, fullsig)
functions_api = update_contract_functions_api(contract_name, fullsig,
old_api)
fixedpoint_output_methods = get_fixedpoint_outputs(contract_path)
for method_name in fixedpoint_output_methods:
functions_api[method_name]["returns"] = "unfix"
return events_api, functions_api
def compile(fullname):
old_dir = os.getcwd()
os.chdir(os.path.dirname(fullname))
global DB
if IMPORTS:
code = process_imports(fullname)
else:
code = process_externs(fullname)
with open(fullname, 'w') as f:
f.write(code)
# old version of serpent
# fullsig = json.loads(serpent.mk_full_signature(code))
fullsig = serpent.mk_full_signature(code)
shortname = get_shortname(fullname)
if 'WHITELIST' in code:
print "SHITS GETTING WHITELISTED BITCH"
whitelist_line = code.find('\n', code.find('WHITELIST'))
prefixes = get_prefixes(fullname, fullsig)
whitelist_code = WHITELIST_CODE.format(prefixes=prefixes)
code = code[:whitelist_line +
1] + whitelist_code + code[whitelist_line + 1:]
try:
evm = '0x' + serpent.compile(code).encode('hex')
except:
traceback.print_exc()
# print 'Code that broke everything:'
# print code
# print 'DB dump:'
# print json.dumps(DB, indent=4, sort_keys=True)
sys.exit(1)
address = broadcast_code(evm, code, fullname)
sig = serpent.mk_signature(code)
# serpent makes the contract name in the sig "main"
# if the code it compiles is in a string instead of a file.
sig = sig.replace('main', shortname, 1)
# Also, there is a serpent bug which can't handle multiple
# return types in a function signature, which causes compilation
# to fail. This is a workaround...
sig = sig.replace(':,', ':_,').replace(':]', ':_]')
DB[shortname] = {
'address': address,
'sig': sig,
'fullsig': fullsig,
'code': code.split('\n')
}
os.chdir(old_dir)
def main():
svcoin = '''\
def init():
sstore(tx.origin, 21*10**9)
def sendSVCoins(to, amount):
with my_bal = sload(msg.sender):
if amount < my_bal:
sstore(msg.sender, my_bal - amount)
sstore(to, sload(to) + amount)
return(1)
return(-1)
def mySVCoinBalance():
return(sload(msg.sender))
def getSVCoinBalance(address):
return(sload(address))
'''
evm = '0x' + serpent.compile(svcoin).encode('hex')
fullsig = json.loads(serpent.mk_full_signature(svcoin))
node = TestNode(log=open(os.devnull, 'w'), verbose=False)
node.start()
rpc = RPC_Client((node.rpchost, node.rpcport), 0)
password = os.urandom(32).encode('hex')
account = rpc.personal_newAccount(password)['result']
rpc.personal_unlockAccount(account, password, hex(500))
rpc.miner_start(2)
balance = 0
while balance < int(MAXGAS, 16):
balance = int(rpc.eth_getBalance(account)['result'], 16)
txhash = rpc.eth_sendTransaction(sender=account, data=evm, gas=MAXGAS)['result']
while True:
response = rpc.eth_getTransactionReceipt(txhash)
receipt = response.get('result', False)
if receipt:
blocknumber = receipt.get('blockNumber', False)
if blocknumber:
address = receipt['contractAddress']
break
contract = Contract(address, fullsig, rpc)
print 'My balance is', contract.mySVCoinBalance(call=True)
receipt = contract.sendSVCoins(2, 10000, send=True, receipt=True)
print 'Sent coins to address 2, receipt:'
print json.dumps(receipt, indent=4, sort_keys=True)
print 'Balance at address 2 is', contract.getSVCoinBalance(2, call=True)
def compile(fullname):
if USE_EXTERNS:
new_code = translate_code_with_externs(fullname)
else:
new_code = translate_code_with_imports(fullname)
print new_code
evm = "0x" + serpent.compile(new_code).encode("hex")
new_address = broadcast_code(evm)
short_name = os.path.split(fullname)[-1][:-3]
new_sig = serpent.mk_signature(new_code).replace("main", short_name, 1).replace(":,", ":_,").replace(":]", ":_]")
fullsig = serpent.mk_full_signature(new_code)
new_info = {"address": new_address, "sig": new_sig, "fullsig": fullsig}
set_info(short_name, new_info)
def compile(fullname):
old_dir = os.getcwd()
os.chdir(os.path.dirname(fullname))
global DB
if IMPORTS:
code = process_imports(fullname)
else:
code = process_externs(fullname)
with open(fullname, 'w') as f:
f.write(code)
# old version of serpent
# fullsig = json.loads(serpent.mk_full_signature(code))
fullsig = serpent.mk_full_signature(code)
shortname = get_shortname(fullname)
if 'WHITELIST' in code:
print "SHITS GETTING WHITELISTED BITCH"
whitelist_line = code.find('\n',
code.find('WHITELIST'))
prefixes = get_prefixes(fullname, fullsig)
whitelist_code = WHITELIST_CODE.format(prefixes=prefixes)
code = code[:whitelist_line+1] + whitelist_code + code[whitelist_line+1:]
try:
evm = '0x' + serpent.compile(code).encode('hex')
except:
traceback.print_exc()
# print 'Code that broke everything:'
# print code
# print 'DB dump:'
# print json.dumps(DB, indent=4, sort_keys=True)
sys.exit(1)
address = broadcast_code(evm, code, fullname)
sig = serpent.mk_signature(code)
# serpent makes the contract name in the sig "main"
# if the code it compiles is in a string instead of a file.
sig = sig.replace('main', shortname, 1)
# Also, there is a serpent bug which can't handle multiple
# return types in a function signature, which causes compilation
# to fail. This is a workaround...
sig = sig.replace(':,', ':_,').replace(':]', ':_]')
DB[shortname] = {'address':address,
'sig':sig,
'fullsig':fullsig,
'code':code.split('\n')}
os.chdir(old_dir)
def compile(fullname):
old_dir = os.getcwd()
os.chdir(os.path.dirname(fullname))
global DB
if IMPORTS:
code = process_imports(fullname)
else:
code = process_externs(fullname)
with open(fullname, "w") as f:
f.write(code)
fullsig = json.loads(serpent.mk_full_signature(code))
shortname = get_shortname(fullname)
if "WHITELIST" in code:
whitelist_line = code.find("\n", code.find("WHITELIST"))
prefixes = get_prefixes(fullname, fullsig)
whitelist_code = WHITELIST_CODE.format(prefixes=prefixes)
code = code[: whitelist_line + 1] + whitelist_code + code[whitelist_line + 1 :]
try:
evm = "0x" + serpent.compile(code).encode("hex")
except:
traceback.print_exc()
print "Code that broke everything:"
print code
print "DB dump:"
print json.dumps(DB, indent=4, sort_keys=True)
sys.exit(1)
address = broadcast_code(evm, code, fullname)
sig = serpent.mk_signature(code)
# serpent makes the contract name in the sig "main"
# if the code it compiles is in a string instead of a file.
sig = sig.replace("main", shortname, 1)
# Also, there is a serpent bug which can't handle multiple
# return types in a function signature, which causes compilation
# to fail. This is a workaround...
sig = sig.replace(":,", ":_,").replace(":]", ":_]")
DB[shortname] = {"address": address, "sig": sig, "fullsig": fullsig, "code": code.split("\n")}
os.chdir(old_dir)
#!/usr/bin/env python
import json
from serpent import mk_full_signature
contracts = {
'etherex': '../contracts/etherex.se',
'sub': '../contracts/etx.se'
}
for c in contracts:
sig = mk_full_signature(contracts[c])
# print sig
abi = json.dumps(sig, indent=4, separators=(',', ': '))
# print abi
with open('app/js/abi/%s.js' % c, 'w') as out:
out.write("module.exports = %s;\n" % abi)
def update_code(self, contract_code):
if contract_code:
self.contract_code = contract_code
self.signature = serpent.mk_full_signature(contract_code)
self.translation = ContractTranslator(self.signature)
def update_contract_api(contract_name, contract_path, old_api):
fullsig = serpent.mk_full_signature(contract_path)
events_api = update_contract_events_api(contract_name, fullsig)
functions_api = update_contract_functions_api(contract_name, fullsig,
old_api)
return events_api, functions_api
# this address is 0xde0b295669a9fd93d5f28d9ec85e40f4cb697bae
# Step 4: run
# python prepare.py currency=0xde0b295669a9fd93d5f28d9ec85e40f4cb697bae
# Step 5: make sure to include config.js as a javascript file in your
# application.
import sys
import json
import serpent
import os
solidity = None
accounts = {}
# Fill in contract ABI declarations
for f in os.listdir(os.getcwd()):
if f[-3:] == ".se":
accounts[f[:-3]] = {"abi": serpent.mk_full_signature(f)}
solidity_files = [f for f in os.listdir(os.getcwd()) if f[-4:] == ".sol"]
if len(solidity_files):
from ethereum import _solidity
solidity = _solidity.get_solidity()
code = '\n'.join([open(f).read() for f in solidity_files])
contracts = solidity.contract_names(code)
for c in contracts:
accounts[c] = {
"abi": solidity.mk_full_signature(code, contract_name=c)
}
# Fill in previously known addresses
if 'config.js' in os.listdir(os.getcwd()):
data = open('config.js').read()
code = json.loads(data[data.find('{'):])
# For contracts (ie. objects that contain an 'abi' parameter), if
def update_contract_api(contract_name, contract_path, old_api):
fullsig = serpent.mk_full_signature(contract_path)
events_api = update_contract_events_api(contract_name, fullsig)
functions_api = update_contract_functions_api(contract_name, fullsig, old_api)
return events_api, functions_api
~call(msg.gas - 10000, %s, 0, inpdata + 28, 100, outdata, 32)
return outdata[0]
""" % failedtest_addr)
try:
c.submit(test7.address)
success = True
except:
success = False
assert not success
print('All tests passed')
kode = serpent.compile('check_for_impurity.se')
# Create transaction
t = transactions.Transaction(0, 30 * 10**9, 2999999, '', 0, kode)
t.startgas = t.intrinsic_gas_used + 50000 + 200 * len(kode)
t.v = 27
t.r = 45
t.s = 79
print('Send %d wei to %s' %
(t.startgas * t.gasprice, '0x' + utils.encode_hex(t.sender)))
print('Contract address: 0x' +
utils.encode_hex(utils.mk_contract_address(t.sender, 0)))
print('Code: 0x' + utils.encode_hex(rlp.encode(t)))
print('ABI declaration: ' +
repr(serpent.mk_full_signature('check_for_impurity.se')))
def load_abi_translator():
serpent_code = open(CONTRACT_FILE).read()
return abi.ContractTranslator(serpent.mk_full_signature(serpent_code))
def update_code(self, contract_code):
if contract_code:
self.contract_code = contract_code
self.signature = serpent.mk_full_signature(contract_code)
self.translation = ContractTranslator(self.signature)
def load_abi_translator():
serpent_code = open(CONTRACT_FILE).read()
return abi.ContractTranslator(serpent.mk_full_signature(serpent_code))
import serpent
from ethereum.tools import tester
from ethereum import abi
serpent_code = '''
def triple(a):
return(a*3)
def multiply(a, b):
return(a*b)
'''
s = tester.Chain()
x = s.contract(serpent_code, language='serpent')
translator = abi.ContractTranslator(serpent.mk_full_signature(serpent_code))
data = translator.encode('triple', [20])
result = translator.decode('triple', s.tx(tester.k0, x.address, 0, data))
print(result)
data = translator.encode('multiply', [20, 4])
result = translator.decode('triple', s.tx(tester.k0, x.address, 0, data))
print(result)
# this address is 0xde0b295669a9fd93d5f28d9ec85e40f4cb697bae
# Step 4: run
# python prepare.py currency=0xde0b295669a9fd93d5f28d9ec85e40f4cb697bae
# Step 5: make sure to include config.js as a javascript file in your
# application.
import sys
import json
import serpent
import os
solidity = None
accounts = {}
# Fill in contract ABI declarations
for f in os.listdir(os.getcwd()):
if f[-3:] == ".se":
accounts[f[:-3]] = {"abi": serpent.mk_full_signature(f)}
elif f[-4:] == ".sol":
if not solidity:
from ethereum import _solidity
solidity = _solidity.get_solidity()
accounts[f[:-4]] = {"abi": solidity.mk_full_signature(open(f).read())}
# Fill in previously known addresses
if 'config.js' in os.listdir(os.getcwd()):
data = open('config.js').read()
code = json.loads(data[data.find('{'):])
# For contracts (ie. objects that contain an 'abi' parameter), if
# we detect a .se or .sol file removed then we do not add the
# associated address from the registry. For regular accounts, we
# transfer all of them over
for k, v in code.items():
if 'address' in v and (k in accounts or 'abi' not in v):
def test_whitelist():
top_dir = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
whitelist_code = open(os.path.join(top_dir, "src", "data and api", "reporting.se.whitelist")).read().split("\n")
# change the period length of votes so testing is feasible
old_period = whitelist_code.index("macro PERIOD: 1800")
whitelist_code[old_period] = "macro PERIOD: 100"
whitelist_code = "\n".join(whitelist_code)
# start the geth node
node = TestNode(verbose=False)
node.start()
# create rpc client and initialize accounts
rpc = RPC_Client((node.rpchost, node.rpcport), 0)
accounts = setup_accounts(rpc, 10, int(MAXGAS, 16), 60 * 60)
# compile code
print "compiling and submitting code"
evm = "0x" + serpent.compile(whitelist_code).encode("hex")
fullsig = json.loads(serpent.mk_full_signature(whitelist_code))
response = rpc.eth_sendTransaction(sender=accounts[0], data=evm, gas=MAXGAS)
txhash = response["result"]
while True:
response = rpc.eth_getTransactionReceipt(txhash)
receipt = response.get("result", False)
if receipt:
blocknumber = receipt.get("blockNumber", False)
if blocknumber:
address = receipt["contractAddress"]
break
print "done."
contract = Contract(address, fullsig, rpc)
for account in accounts:
while True:
try:
contract.addReporter(
1010101, int(account, 16), send=True, sender=account, receipt=True
) # this option forces blocking until included in a block
except AssertionError as exc:
error = json.loads(exc.message)["error"]
code = error["code"]
if code != -32603:
raise exc
print "nonce too low for account", account
print "trying again"
time.sleep(10)
else:
break
print "account", account, "added as reporter"
index = contract.repIDToIndex(1010101, int(account, 16), call=True)
contract.setRep(1010101, index, 10000 * 2 ** 64, send=True, sender=account, receipt=True)
contract.setWhitelist(2, [1, 3, 4, 5], send=True, receipt=True)
ballot_hash = contract.propose_replacement(5, 6, call=True)
contract.propose_replacement(5, 6, send=True, receipt=True)
for account, _ in zip(accounts, range(6)):
contract.whitelistVote(ballot_hash, sender=account)
last_period = contract.getPeriod()
while contract.getPeriod() == last_period:
time.sleep(1)
if contract.getWhitelist(2) == [1, 3, 4, 6]:
print "TEST PASSED"
else:
print "TEST FAILED"
def test_whitelist():
top_dir = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
whitelist_code = open(
os.path.join(top_dir, 'src', 'data and api',
'reporting.se.whitelist')).read().split('\n')
# change the period length of votes so testing is feasible
old_period = whitelist_code.index('macro PERIOD: 1800')
whitelist_code[old_period] = 'macro PERIOD: 100'
whitelist_code = '\n'.join(whitelist_code)
# start the geth node
node = TestNode(verbose=False)
node.start()
# create rpc client and initialize accounts
rpc = RPC_Client((node.rpchost, node.rpcport), 0)
accounts = setup_accounts(rpc, 10, int(MAXGAS, 16), 60 * 60)
# compile code
print 'compiling and submitting code'
evm = '0x' + serpent.compile(whitelist_code).encode('hex')
fullsig = json.loads(serpent.mk_full_signature(whitelist_code))
response = rpc.eth_sendTransaction(sender=accounts[0],
data=evm,
gas=MAXGAS)
txhash = response['result']
while True:
response = rpc.eth_getTransactionReceipt(txhash)
receipt = response.get('result', False)
if receipt:
blocknumber = receipt.get('blockNumber', False)
if blocknumber:
address = receipt['contractAddress']
break
print 'done.'
contract = Contract(address, fullsig, rpc)
for account in accounts:
while True:
try:
contract.addReporter(
1010101,
int(account, 16),
send=True,
sender=account,
receipt=True
) #this option forces blocking until included in a block
except AssertionError as exc:
error = json.loads(exc.message)['error']
code = error['code']
if code != -32603:
raise exc
print 'nonce too low for account', account
print 'trying again'
time.sleep(10)
else:
break
print 'account', account, 'added as reporter'
index = contract.repIDToIndex(1010101, int(account, 16), call=True)
contract.setRep(1010101,
index,
10000 * 2**64,
send=True,
sender=account,
receipt=True)
contract.setWhitelist(2, [1, 3, 4, 5], send=True, receipt=True)
ballot_hash = contract.propose_replacement(5, 6, call=True)
contract.propose_replacement(5, 6, send=True, receipt=True)
for account, _ in zip(accounts, range(6)):
contract.whitelistVote(ballot_hash, sender=account)
last_period = contract.getPeriod()
while contract.getPeriod() == last_period:
time.sleep(1)
if contract.getWhitelist(2) == [1, 3, 4, 6]:
print 'TEST PASSED'
else:
print 'TEST FAILED'
