def test_namecoin():
k, v, k2, v2 = accounts()
blk = b.genesis({v: u.denoms.ether * 1})
code1 = serpent_compile(namecoin_code)
tx1 = t.contract(0, gasprice, startgas, 0, code1).sign(k)
s, addr = pb.apply_transaction(blk, tx1)
snapshot = blk.snapshot()
# tx2
tx2 = t.Transaction(1, gasprice, startgas, addr, 0,
serpent.encode_datalist(['george', 45]))
tx2.sign(k)
s, o = pb.apply_transaction(blk, tx2)
assert serpent.decode_datalist(o) == [1]
# tx3
tx3 = t.Transaction(2, gasprice, startgas, addr, 0,
serpent.encode_datalist(['george', 20])).sign(k)
s, o = pb.apply_transaction(blk, tx3)
assert serpent.decode_datalist(o) == [0]
# tx4
tx4 = t.Transaction(3, gasprice, startgas, addr, 0,
serpent.encode_datalist(['harry', 60])).sign(k)
s, o = pb.apply_transaction(blk, tx4)
assert serpent.decode_datalist(o) == [1]
blk.revert(snapshot)
assert blk.to_dict()
assert blk.to_dict()['state'][addr]['code']
def test_data_feeds():
k, v, k2, v2 = accounts()
scode3 = '''
if !contract.storage[1000]:
contract.storage[1000] = 1
contract.storage[1001] = msg.sender
return(0)
elif msg.sender == contract.storage[1001] and msg.datasize == 2:
contract.storage[msg.data[0]] = msg.data[1]
return(1)
else:
return(contract.storage[msg.data[0]])
'''
code3 = serpent_compile(scode3)
logger.debug("AST", serpent.rewrite(serpent.parse(scode3)))
blk = b.genesis({v: 10**18, v2: 10**18})
tx10 = t.contract(0, gasprice, startgas, 0, code3).sign(k)
s, addr = pb.apply_transaction(blk, tx10)
tx11 = t.Transaction(1, gasprice, startgas, addr, 0, '').sign(k)
s, o = pb.apply_transaction(blk, tx11)
tx12 = t.Transaction(2, gasprice, startgas, addr, 0,
serpent.encode_datalist([500])).sign(k)
s, o = pb.apply_transaction(blk, tx12)
assert serpent.decode_datalist(o) == [0]
tx13 = t.Transaction(3, gasprice, startgas, addr, 0,
serpent.encode_datalist([500, 726])).sign(k)
s, o = pb.apply_transaction(blk, tx13)
assert serpent.decode_datalist(o) == [1]
tx14 = t.Transaction(4, gasprice, startgas, addr, 0,
serpent.encode_datalist([500])).sign(k)
s, o = pb.apply_transaction(blk, tx14)
assert serpent.decode_datalist(o) == [726]
return blk, addr
def step_impl(context):
word = 'a5b2cc1f54'
msg = context.msg = '\x00' * (32 - len(word)) + word
tx = transactions.Transaction(1, 100, 10**40, context.contract, 0,
msg).sign(context.key)
success, context.ans = processblock.apply_transaction(context.gen, tx)
assert (success)
def test_gas_price_calculation():
code = [
'CALLER', 'PUSH1', 69, 'SSTORE', 'PUSH1', 42, 'DUP', 'PUSH1', 16,
'PUSH1', 0, 'CODECOPY', 'PUSH1', 0, 'RETURN', 'STOP', 'PUSH1', 69,
'SLOAD', 'CALLER', 'EQ', 'NOT', 'PUSH1', 42, 'JUMPI', 'CALLDATASIZE',
'PUSH1', 0, 'MLOAD', 'LT', 'NOT', 'PUSH1', 42, 'JUMPI', 'PUSH1', 32,
'PUSH1', 0, 'MLOAD', 'ADD', 'CALLDATALOAD', 'PUSH1', 0, 'MLOAD',
'CALLDATALOAD', 'SSTORE', 'PUSH1', 64, 'PUSH1', 0, 'MLOAD', 'ADD',
'PUSH1', 0, 'MSTORE', 'PUSH1', 9, 'JUMP'
]
tx_dict = {
'nonce': 0L,
'startgas': 10000L,
'value': 0L,
'to': '0000000000000000000000000000000000000000',
's':
9504411864285061276187941232604806802531640604671611347567260576513458657555L,
'r':
23362574597211079051662254624411036839077618676481166419446762923566339937125L,
'v': 28L,
'data':
'3`EW`*Q`\x10`\x009`\x00\xf2\x00`EV3\x0e\x0f`*Y6`\x00S\n\x0f`*Y` `\x00S\x015`\x00S5W`@`\x00S\x01`\x00T`\tX',
'gasprice': 10000000000000L
}
assert serpent.compiler.serialize(code) == tx_dict['data']
set_db()
block = genesis = blocks.genesis()
tx = transactions.Transaction(**tx_dict)
assert block.gas_used == 0
success, output = processblock.apply_transaction(block, tx)
GAS_USED_CPP = 1001 # as seen for tx0 in block1 in protocol 17 cpp chain
assert block.gas_used == GAS_USED_CPP
def test_currency():
k, v, k2, v2 = accounts()
scode2 = '''
if !contract.storage[1000]:
contract.storage[1000] = 1
contract.storage[0x%s] = 1000
return(1)
elif msg.datasize == 1:
addr = msg.data[0]
return(contract.storage[addr])
else:
from = msg.sender
fromvalue = contract.storage[from]
to = msg.data[0]
value = msg.data[1]
if fromvalue >= value:
contract.storage[from] = fromvalue - value
contract.storage[to] = contract.storage[to] + value
return(1)
else:
return(0)
''' % v
code2 = serpent_compile(scode2)
blk = b.genesis({v: 10**18})
tx4 = t.contract(0, gasprice, startgas, 0, code2).sign(k)
s, addr = pb.apply_transaction(blk, tx4)
tx5 = t.Transaction(1, gasprice, startgas, addr, 0, '').sign(k)
s, o = pb.apply_transaction(blk, tx5)
assert serpent.decode_datalist(o) == [1]
tx6 = t.Transaction(2, gasprice, startgas, addr, 0,
serpent.encode_datalist([v2, 200])).sign(k)
s, o = pb.apply_transaction(blk, tx6)
assert serpent.decode_datalist(o) == [1]
tx7 = t.Transaction(3, gasprice, startgas, addr, 0,
serpent.encode_datalist([v2, 900])).sign(k)
s, o = pb.apply_transaction(blk, tx7)
assert serpent.decode_datalist(o) == [0]
tx8 = t.Transaction(4, gasprice, startgas, addr, 0,
serpent.encode_datalist([v])).sign(k)
s, o = pb.apply_transaction(blk, tx8)
assert serpent.decode_datalist(o) == [800]
tx9 = t.Transaction(5, gasprice, startgas, addr, 0,
serpent.encode_datalist([v2])).sign(k)
s, o = pb.apply_transaction(blk, tx9)
assert serpent.decode_datalist(o) == [200]
def step_impl(context):
word = 342156
word = hex(word)[2:]
if len(word) % 2 != 0: word = '0' + word
msg = context.msg = '\x00' * (32 - len(word) / 2) + word.decode('hex')
tx = transactions.Transaction(1, 100, 10**40, context.contract, 0,
msg).sign(context.key)
success, context.ans = processblock.apply_transaction(context.gen, tx)
assert (success)
def get_transaction(gasprice=0, nonce=0):
k, v, k2, v2 = accounts()
tx = transactions.Transaction(nonce,
gasprice,
startgas=10000,
to=v2,
value=utils.denoms.finney * 10,
data='').sign(k)
return tx
def test_hedge():
k, v, k2, v2 = accounts()
blk, addr = test_data_feeds()
scode4 = '''
if !contract.storage[1000]:
contract.storage[1000] = msg.sender
contract.storage[1002] = msg.value
contract.storage[1003] = msg.data[0]
return(1)
elif !contract.storage[1001]:
ethvalue = contract.storage[1002]
if msg.value >= ethvalue:
contract.storage[1001] = msg.sender
othervalue = ethvalue * call(0x%s,[contract.storage[1003]],1)
contract.storage[1004] = othervalue
contract.storage[1005] = block.timestamp + 86400
return([2,othervalue],2)
else:
othervalue = contract.storage[1004]
ethvalue = othervalue / call(0x%s,contract.storage[1003])
if ethvalue >= contract.balance:
send(contract.storage[1000],contract.balance)
return(3)
elif block.timestamp > contract.storage[1005]:
send(contract.storage[1001],contract.balance - ethvalue)
send(contract.storage[1000],ethvalue)
return(4)
else:
return(5)
''' % (addr, addr)
code4 = serpent_compile(scode4)
logger.debug("AST", serpent.rewrite(serpent.parse(scode4)))
# important: no new genesis block
tx15 = t.contract(5, gasprice, startgas, 0, code4).sign(k)
s, addr2 = pb.apply_transaction(blk, tx15)
tx16 = t.Transaction(6, gasprice, startgas, addr2, 10**17,
serpent.encode_datalist([500])).sign(k)
s, o = pb.apply_transaction(blk, tx16)
assert serpent.decode_datalist(o) == [1]
tx17 = t.Transaction(0, gasprice, startgas, addr2, 10**17,
serpent.encode_datalist([500])).sign(k2)
s, o = pb.apply_transaction(blk, tx17)
assert serpent.decode_datalist(o) == [2, 72600000000000000000L]
snapshot = blk.snapshot()
tx18 = t.Transaction(7, gasprice, startgas, addr2, 0, '').sign(k)
s, o = pb.apply_transaction(blk, tx18)
assert serpent.decode_datalist(o) == [5]
tx19 = t.Transaction(8, gasprice, startgas, addr, 0,
serpent.encode_datalist([500, 300])).sign(k)
s, o = pb.apply_transaction(blk, tx19)
assert serpent.decode_datalist(o) == [1]
tx20 = t.Transaction(9, gasprice, startgas, addr2, 0, '').sign(k)
s, o = pb.apply_transaction(blk, tx20)
assert serpent.decode_datalist(o) == [3]
blk.revert(snapshot)
blk.timestamp += 200000
tx21 = t.Transaction(7, gasprice, startgas, addr, 0,
serpent.encode_datalist([500, 1452])).sign(k)
s, o = pb.apply_transaction(blk, tx21)
assert serpent.decode_datalist(o) == [1]
tx22 = t.Transaction(8, gasprice, 2000, addr2, 0, '').sign(k)
s, o = pb.apply_transaction(blk, tx22)
assert serpent.decode_datalist(o) == [4]
def do_test_vm(name):
tempdir = tempfile.mktemp()
logger.debug('running test:%r', name)
params = vm_tests_fixtures()[name]
# HOTFIFX
# params['pre']['0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6']['balance'] *= 100
pre = params['pre']
execs = params['exec']
callcreates = params['callcreates']
env = params['env']
post = params['post']
check_testdata(env.keys(), [
'code', 'currentGasLimit', 'currentTimestamp', 'previousHash',
'currentCoinbase', 'currentDifficulty', 'currentNumber'
])
# setup env
blk = blocks.Block(prevhash=env['previousHash'].decode('hex'),
number=int(env['currentNumber']),
coinbase=env['currentCoinbase'],
difficulty=int(env['currentDifficulty']),
gas_limit=int(env['currentGasLimit']),
timestamp=env['currentTimestamp'])
# code FIXME WHAT TO DO WITH THIS CODE???
# if isinstance(env['code'], str):
# continue
# else:
# addr = 0 # FIXME
# blk.set_code(addr, ''.join(map(chr, env['code'])))
# setup state
for address, h in pre.items():
check_testdata(h.keys(), ['code', 'nonce', 'balance', 'storage'])
blk.set_balance(address, h['balance'])
logger.debug('PRE Balance: %r: %r', address, h['balance'])
blk._set_acct_item(address, 'nonce', h['nonce'])
blk.set_code(address, ''.join(map(chr, h['code'])))
assert h['storage'] == {
} # FOR NOW test contracts don't seem to persist anything
# execute transactions
for i, exek in enumerate(execs):
sender = exek['address'] # a party that originates a call
recvaddr = exek['caller']
tx = transactions.Transaction(nonce=blk._get_acct_item(
exek['caller'], 'nonce'),
gasprice=int(exek['gasPrice']),
startgas=int(exek['gas']),
to=recvaddr,
value=int(exek['value']),
data=exek['data'])
tx.sender = sender
logger.debug('TX %r > %r v:%r gas:%s @price:%s', sender, recvaddr,
tx.value, tx.startgas, tx.gasprice)
# capture apply_message calls
apply_message_calls = []
orig_apply_msg = processblock.apply_msg
def apply_msg_wrapper(_block, _tx, msg):
result, gas_remained, data = orig_apply_msg(_block, _tx, msg)
apply_message_calls.append(
dict(msg=msg,
result=result,
gas_remained=gas_remained,
data=data))
return result, gas_remained, data
processblock.apply_msg = apply_msg_wrapper
success, output = processblock.apply_transaction(blk, tx)
processblock.apply_msg = orig_apply_msg
assert success
assert len(callcreates) == len(apply_message_calls)
# check against callcreates
for i, callcreate in enumerate(callcreates):
amc = apply_message_calls[i]
assert callcreate['data'] == amc['data']
assert callcreate['gasLimit'] == amc['gas_remained']
assert callcreate['value'] == amc['msg'].value
# data and out not set in tests yet
assert output == params['out']
assert not params['out']
assert not callcreates['data']
# check state
for address, h in post.items():
check_testdata(h.keys(), ['code', 'nonce', 'balance', 'storage'])
logger.debug('POST: %r %r', address, h['balance'])
blk.get_balance(address) == h['balance']
blk._get_acct_item(address, 'nonce') == h['nonce']
map(ord, blk.get_code(recvaddr)) == h['code']
assert storage == {
} # FOR NOW test contracts don't seem to persist anything