def test_reveal_returns_entropy(self):
assert self.c.commit(1, self.COW_HASH, value=self.DEPOSIT_COST) == [1]
assert self.c.request_entropy(sender=tester.k1,
value=self.ENTROPY_COST) == [0, 4]
assert self.c.get_block(self.s.block.number + 1) == [0, 1, 0, 1]
self.s.mine(2)
COW_SEED = utils.big_endian_to_int(
utils.sha3(
utils.sha3(utils.zpad('cow', 32)) + utils.zpad('cow', 32)))
COW_HASH_1 = utils.big_endian_to_int(
utils.sha3(utils.int_to_big_endian(COW_SEED)))
balance = self.s.block.get_balance(tester.a0)
assert self.c.reveal(1, self.COW_INT) == [1]
assert self.s.block.get_balance(
tester.a0
) - balance == self.DEPOSIT_COST + self.ENTROPY_COST # deposit return + payout of committer share
assert self.c.get_block(1) == [COW_SEED, 1, 1, 1]
# signed vs unsigned as introduced by tester.send
assert self.c.get_entropy_ticket(0) == [
int(tester.a1, 16), 1, 1, COW_HASH_1 - 2**256
]
assert self.c.get_entropy(
0, sender=tester.k1) == [1, COW_HASH_1 - 2**256] # ready
def test_genesis_hash():
set_db()
genesis = blocks.genesis()
"""
cpp: https://github.com/ethereum/cpp-ethereum/libethereum/BlockInfo.cpp#L64
h256() << sha3EmptyList << h160() << stateRoot << h256() << c_genesisDifficulty << 0 << 0 << 1000000 << 0 << (uint)0 << string() << sha3(bytes(1, 42));
PoC5 etherpad: https://ethereum.etherpad.mozilla.org/11
Genesis block is: ( B32(0, 0, ...), B32(sha3(B())), B20(0, 0, ...), B32(stateRoot), B32(0, 0, ...), P(2^22), P(0), P(0), P(1000000), P(0), P(0) << B() << B32(sha3(B(42))) )
Genesis hash: 69a7356a245f9dc5b865475ada5ee4e89b18f93c06503a9db3b3630e88e9fb4e
YP: https://raw.githubusercontent.com/ethereum/latexpaper/master/Paper.tex
0256 , SHA3RLP(), 0160 , stateRoot, 0256 , 2**22 , 0, 0, 1000000, 0, 0, (), SHA3(42), (), ()
Where 0256 refers to the parent and state and transaction root hashes,
a 256-bit hash which is all zeroes;
0160 refers to the coinbase address,
a 160-bit hash which is all zeroes;
2**22 refers to the difficulty;
0 refers to the timestamp (the Unix epoch);
() refers to the extradata and the sequences of both uncles and transactions, all empty.
SHA3(42) refers to the SHA3 hash of a byte array of length one whose first
and only byte is of value 42.
SHA3RLP() values refer to the hashes of the transaction and uncle lists in RLP,
both empty.
The proof-of-concept series include a development premine, making the state root
hash some value stateRoot. The latest documentation should be consulted for
the value of the state root.
"""
h256 = "\x00" * 32
sr = CPP_PoC5_GENESIS_STATE_ROOT_HEX_HASH.decode('hex')
genisi_block_defaults = [
["prevhash", "bin", h256], # h256()
["uncles_hash", "bin",
utils.sha3(rlp.encode([]))], # sha3EmptyList
["coinbase", "addr", "0" * 40], # h160()
["state_root", "trie_root", sr], # stateRoot
["tx_list_root", "trie_root", h256], # h256()
["difficulty", "int", 2**22], # c_genesisDifficulty
["number", "int", 0], # 0
["min_gas_price", "int", 0], # 0
["gas_limit", "int", 1000000], # 1000000
["gas_used", "int", 0], # 0
["timestamp", "int", 0], # 0
["extra_data", "bin", ""], # ""
["nonce", "bin", utils.sha3(chr(42))], # sha3(bytes(1, 42));
]
cpp_genesis_block = rlp.decode(CPP_PoC5_GENESIS_HEX.decode('hex'))
cpp_genesis_header = cpp_genesis_block[0]
for i, (name, typ, genesis_default) in enumerate(genisi_block_defaults):
# print name, repr(getattr(genesis, name)), repr(genesis_default)
assert utils.decoders[typ](cpp_genesis_header[i]) == genesis_default
assert getattr(genesis, name) == genesis_default
assert genesis.hex_hash() == CPP_PoC5_GENESIS_HEX_HASH
def test_genesis_hash(genesis_fixture):
set_db()
genesis = blocks.genesis()
"""
YP: https://raw.githubusercontent.com/ethereum/latexpaper/master/Paper.tex
0256 , SHA3RLP(), 0160 , stateRoot, 0256 , 2**22 , 0, 0, 1000000, 0, 0, (),
SHA3(42), (), ()
Where 0256 refers to the parent and state and transaction root hashes,
a 256-bit hash which is all zeroes;
0160 refers to the coinbase address,
a 160-bit hash which is all zeroes;
2**22 refers to the difficulty;
0 refers to the timestamp (the Unix epoch);
() refers to the extradata and the sequences of both uncles and
transactions, all empty.
SHA3(42) refers to the SHA3 hash of a byte array of length one whose first
and only byte is of value 42.
SHA3RLP() values refer to the hashes of the transaction and uncle lists
in RLP
both empty.
The proof-of-concept series include a development premine, making the state
root hash some value stateRoot. The latest documentation should be
consulted for the value of the state root.
"""
h256 = '\00' * 32
sr = genesis_fixture['genesis_state_root'].decode('hex')
genesis_block_defaults = [
["prevhash", "bin", h256], # h256()
["uncles_hash", "bin", utils.sha3(rlp.encode([]))], # sha3EmptyList
["coinbase", "addr", "0" * 40], # h160()
["state_root", "trie_root", sr], # stateRoot
["tx_list_root", "trie_root", trie.BLANK_ROOT], # h256()
["difficulty", "int", 2 ** 22], # c_genesisDifficulty
["number", "int", 0], # 0
["min_gas_price", "int", 0], # 0
["gas_limit", "int", 10 ** 6], # 10**6 for genesis
["gas_used", "int", 0], # 0
["timestamp", "int", 0], # 0
["extra_data", "bin", ""], # ""
["nonce", "bin", utils.sha3(chr(42))], # sha3(bytes(1, 42));
]
cpp_genesis_block = rlp.decode(
genesis_fixture['genesis_rlp_hex'].decode('hex'))
cpp_genesis_header = cpp_genesis_block[0]
for i, (name, typ, genesis_default) in enumerate(genesis_block_defaults):
assert utils.decoders[typ](cpp_genesis_header[i]) == genesis_default
assert getattr(genesis, name) == genesis_default
assert genesis.hex_hash() == genesis_fixture['genesis_hash']
assert genesis.hex_hash() == utils.sha3(
genesis_fixture['genesis_rlp_hex'].decode('hex')
).encode('hex')
def test_genesis_hash(genesis_fixture):
set_db()
genesis = blocks.genesis()
"""
YP: https://raw.githubusercontent.com/ethereum/latexpaper/master/Paper.tex
0256 , SHA3RLP(), 0160 , stateRoot, 0256 , 2**22 , 0, 0, 1000000, 0, 0, (),
SHA3(42), (), ()
Where 0256 refers to the parent and state and transaction root hashes,
a 256-bit hash which is all zeroes;
0160 refers to the coinbase address,
a 160-bit hash which is all zeroes;
2**22 refers to the difficulty;
0 refers to the timestamp (the Unix epoch);
() refers to the extradata and the sequences of both uncles and
transactions, all empty.
SHA3(42) refers to the SHA3 hash of a byte array of length one whose first
and only byte is of value 42.
SHA3RLP() values refer to the hashes of the transaction and uncle lists
in RLP
both empty.
The proof-of-concept series include a development premine, making the state
root hash some value stateRoot. The latest documentation should be
consulted for the value of the state root.
"""
h256 = '\00' * 32
sr = genesis_fixture['genesis_state_root'].decode('hex')
genesis_block_defaults = [
["prevhash", "bin", h256], # h256()
["uncles_hash", "bin",
utils.sha3(rlp.encode([]))], # sha3EmptyList
["coinbase", "addr", "0" * 40], # h160()
["state_root", "trie_root", sr], # stateRoot
["tx_list_root", "trie_root", trie.BLANK_ROOT], # h256()
["difficulty", "int", 2**22], # c_genesisDifficulty
["number", "int", 0], # 0
["min_gas_price", "int", 0], # 0
["gas_limit", "int", 10**6], # 10**6 for genesis
["gas_used", "int", 0], # 0
["timestamp", "int", 0], # 0
["extra_data", "bin", ""], # ""
["nonce", "bin", utils.sha3(chr(42))], # sha3(bytes(1, 42));
]
cpp_genesis_block = rlp.decode(
genesis_fixture['genesis_rlp_hex'].decode('hex'))
cpp_genesis_header = cpp_genesis_block[0]
for i, (name, typ, genesis_default) in enumerate(genesis_block_defaults):
assert utils.decoders[typ](cpp_genesis_header[i]) == genesis_default
assert getattr(genesis, name) == genesis_default
assert genesis.hex_hash() == genesis_fixture['genesis_hash']
assert genesis.hex_hash() == utils.sha3(
genesis_fixture['genesis_rlp_hex'].decode('hex')).encode('hex')
def test_genesis_hash():
set_db()
genesis = blocks.genesis()
"""
cpp: https://github.com/ethereum/cpp-ethereum/libethereum/BlockInfo.cpp#L64
h256() << sha3EmptyList << h160() << stateRoot << h256() << c_genesisDifficulty << 0 << 0 << 1000000 << 0 << (uint)0 << string() << sha3(bytes(1, 42));
PoC5 etherpad: https://ethereum.etherpad.mozilla.org/11
Genesis block is: ( B32(0, 0, ...), B32(sha3(B())), B20(0, 0, ...), B32(stateRoot), B32(0, 0, ...), P(2^22), P(0), P(0), P(1000000), P(0), P(0) << B() << B32(sha3(B(42))) )
Genesis hash: 69a7356a245f9dc5b865475ada5ee4e89b18f93c06503a9db3b3630e88e9fb4e
YP: https://raw.githubusercontent.com/ethereum/latexpaper/master/Paper.tex
0256 , SHA3RLP(), 0160 , stateRoot, 0256 , 2**22 , 0, 0, 1000000, 0, 0, (), SHA3(42), (), ()
Where 0256 refers to the parent and state and transaction root hashes,
a 256-bit hash which is all zeroes;
0160 refers to the coinbase address,
a 160-bit hash which is all zeroes;
2**22 refers to the difficulty;
0 refers to the timestamp (the Unix epoch);
() refers to the extradata and the sequences of both uncles and transactions, all empty.
SHA3(42) refers to the SHA3 hash of a byte array of length one whose first
and only byte is of value 42.
SHA3RLP() values refer to the hashes of the transaction and uncle lists in RLP,
both empty.
The proof-of-concept series include a development premine, making the state root
hash some value stateRoot. The latest documentation should be consulted for
the value of the state root.
"""
h256 = "\x00" * 32
sr = CPP_PoC5_GENESIS_STATE_ROOT_HEX_HASH.decode('hex')
genisi_block_defaults = [
["prevhash", "bin", h256], # h256()
["uncles_hash", "bin", utils.sha3(rlp.encode([]))], # sha3EmptyList
["coinbase", "addr", "0" * 40], # h160()
["state_root", "trie_root", sr], # stateRoot
["tx_list_root", "trie_root", h256], # h256()
["difficulty", "int", 2 ** 22], # c_genesisDifficulty
["number", "int", 0], # 0
["min_gas_price", "int", 0], # 0
["gas_limit", "int", 1000000], # 1000000
["gas_used", "int", 0], # 0
["timestamp", "int", 0], # 0
["extra_data", "bin", ""], # ""
["nonce", "bin", utils.sha3(chr(42))], # sha3(bytes(1, 42));
]
cpp_genesis_block = rlp.decode(CPP_PoC5_GENESIS_HEX.decode('hex'))
cpp_genesis_header = cpp_genesis_block[0]
for i, (name, typ, genesis_default) in enumerate(genisi_block_defaults):
# print name, repr(getattr(genesis, name)), repr(genesis_default)
assert utils.decoders[typ](cpp_genesis_header[i]) == genesis_default
assert getattr(genesis, name) == genesis_default
assert genesis.hex_hash() == CPP_PoC5_GENESIS_HEX_HASH
def bad(n=21):
# Build n levels
t = trie.Trie(s.db)
accum = ''
for i in range(n):
for j in range(1,16):
k = accum + '%X'%j
if len(k) % 2 != 0: k += '0'
k = zpadr(k.decode('hex'))
print k.encode('hex')
t.update(k,utils.sha3('cow'))
accum += '%X'%0
k = zpadr(accum.decode('hex'))
t.update(k,utils.sha3('cow'))
return t
def bad(n=21):
# Build n levels
t = trie.Trie(s.db)
accum = ''
for i in range(n):
for j in range(1, 16):
k = accum + '%X' % j
if len(k) % 2 != 0: k += '0'
k = zpadr(k.decode('hex'))
print k.encode('hex')
t.update(k, utils.sha3('cow'))
accum += '%X' % 0
k = zpadr(accum.decode('hex'))
t.update(k, utils.sha3('cow'))
return t
def test_status():
p = get_packeter()
total_difficulty = 1000
head_hash = utils.sha3('head')
genesis_hash = utils.sha3('genesis')
msg = p.dump_Status(total_difficulty, head_hash, genesis_hash)
success, res = p.load_packet(msg)
assert success
_, _, cmd, data, remain = res
assert cmd == 'Status'
assert idec(data[0]) == packeter.Packeter.ETHEREUM_PROTOCOL_VERSION
assert idec(data[1]) == packeter.Packeter.NETWORK_ID
assert idec(data[2]) == total_difficulty
assert data[3] == head_hash
assert data[4] == genesis_hash
return
def create_default_config():
config = ConfigParser.ConfigParser()
# set some defaults, which may be overwritten
config.add_section('network')
config.set('network', 'listen_host', '0.0.0.0')
config.set('network', 'listen_port', '30303')
config.set('network', 'num_peers', '5')
config.set('network', 'remote_port', '30303')
config.set('network', 'remote_host', '')
config.set('network', 'client_id', Packeter.CLIENT_ID)
config.set('network', 'node_id', sha3(str(uuid.uuid1())).encode('hex'))
config.add_section('api')
config.set('api', 'listen_host', '127.0.0.1')
config.set('api', 'listen_port', '30203')
config.add_section('misc')
config.set('misc', 'verbosity', '1')
config.set('misc', 'config_file', None)
config.set('misc', 'logging', None)
config.set('misc', 'data_dir', data_dir.path)
config.set('misc', 'mining', '10')
config.add_section('wallet')
config.set('wallet', 'coinbase', '0' * 40)
return config
def before_feature(self, context, feature):
'''
.. note::
`context.conf` is used instead of `context.config` because `config`
is used internally in `context` by *behave*
'''
context.conf = conf = mock.MagicMock()
node_id = sha3(str(uuid.uuid1())).encode('hex')
tempdir = tempfile.mkdtemp()
def get_side_effect(section, option):
if section == 'network' and option == 'client_id':
return 'client id'
if section == 'network' and option == 'node_id':
return node_id
if section == 'wallet' and option == 'coinbase':
return '0'*40
if section == 'misc' and option == 'data_dir':
return tempdir
def getint_side_effect(section, option):
if section == 'network' and option == 'listen_port':
return 1234
if section == 'network' and option == 'num_peers':
return 10
conf.get.side_effect = get_side_effect
conf.getint.side_effect = getint_side_effect
def test_status():
p = get_packeter()
total_difficulty = 1000
head_hash = utils.sha3('head')
genesis_hash = utils.sha3('genesis')
msg = p.dump_Status(total_difficulty, head_hash, genesis_hash)
success, res = p.load_packet(msg)
assert success
_, _, cmd, data, remain = res
assert cmd == 'Status'
assert idec(data[0]) == packeter.Packeter.ETHEREUM_PROTOCOL_VERSION
assert idec(data[1]) == packeter.Packeter.NETWORK_ID
assert idec(data[2]) == total_difficulty
assert data[3] == head_hash
assert data[4] == genesis_hash
return
def create_default_config():
config = ConfigParser.ConfigParser()
# set some defaults, which may be overwritten
config.add_section('network')
config.set('network', 'listen_host', '0.0.0.0')
config.set('network', 'listen_port', '30303')
config.set('network', 'num_peers', '5')
config.set('network', 'remote_port', '30303')
config.set('network', 'remote_host', '')
config.set('network', 'client_id', Packeter.CLIENT_ID)
config.set('network', 'node_id', sha3(str(uuid.uuid1())).encode('hex'))
config.add_section('api')
config.set('api', 'listen_host', '127.0.0.1')
config.set('api', 'listen_port', '30203')
config.add_section('misc')
config.set('misc', 'verbosity', '1')
config.set('misc', 'config_file', None)
config.set('misc', 'logging', None)
config.set('misc', 'data_dir', data_dir.path)
config.set('misc', 'mining', '10')
config.add_section('wallet')
config.set('wallet', 'coinbase', '0' * 40)
return config
def create_wrapper(msg):
ext.set_balance(msg.sender, ext.get_balance(msg.sender) - msg.value)
sender = msg.sender.decode('hex') if len(msg.sender) == 40 else msg.sender
nonce = u.encode_int(ext._block.get_nonce(msg.sender))
addr = u.sha3(rlp.encode([sender, nonce]))[12:].encode('hex')
hexdata = msg.data.extract_all().encode('hex')
apply_message_calls.append(dict(gasLimit=msg.gas, value=msg.value,
destination='', data=hexdata))
return 1, msg.gas, addr
def _recv_Blocks(self, data):
print("RECEIVED", len(data))
for x in reversed(data):
enc = rlp.encode(x)
#tb = blocks.TransientBlock(enc)
#print tb
self.blk_counter += 1
fh.write(enc.encode('hex') + '\n') # LOG line
h = utils.sha3(enc)
print('received block %s %d' % (h.encode('hex'), self.blk_counter))
request(self, h)
def _recv_Blocks(self, data):
print("RECEIVED", len(data))
for x in reversed(data):
enc = rlp.encode(x)
#tb = blocks.TransientBlock(enc)
#print tb
self.blk_counter += 1
fh.write(enc.encode('hex') + '\n') # LOG line
h = utils.sha3(enc)
print('received block %s %d' % (h.encode('hex'), self.blk_counter))
request(self,h)
def push_content(content, title, genesis, root_contract, usr):
key, addr = usr
nonce = get_nonce(genesis, addr)
content_hash = utils.sha3(content)
# push a transaction with a title. recover title from blockchain
tx_push = transactions.Transaction(nonce, 0, 10**12, 10000, root_contract, serpent.encode_datalist([1, content_hash, title])).sign(key)
ans = processblock.apply_tx(genesis, tx_push)
f = open('data/%s'%content_hash.encode('hex'), 'w')
f.write(content)
f.close()
return content_hash
def create_wrapper(msg):
ext.set_balance(msg.sender, ext.get_balance(msg.sender) - msg.value)
sender = msg.sender.decode('hex') if len(
msg.sender) == 40 else msg.sender
nonce = u.encode_int(ext._block.get_nonce(msg.sender))
addr = u.sha3(rlp.encode([sender, nonce]))[12:].encode('hex')
hexdata = msg.data.extract_all().encode('hex')
apply_message_calls.append(
dict(gasLimit=msg.gas,
value=msg.value,
destination='',
data=hexdata))
return 1, msg.gas, addr
def deserialize_child(parent, rlpdata):
"""
deserialization w/ replaying transactions
"""
header_args, transaction_list, uncles = rlp.decode(rlpdata)
assert len(header_args) == len(blocks.block_structure)
kargs = dict(transaction_list=transaction_list, uncles=uncles)
# Deserialize all properties
for i, (name, typ, default) in enumerate(blocks.block_structure):
kargs[name] = utils.decoders[typ](header_args[i])
block = blocks.Block.init_from_parent(parent,
kargs['coinbase'],
extra_data=kargs['extra_data'],
timestamp=kargs['timestamp'])
block.finalize() # this is the first potential state change
# replay transactions
for tx_lst_serialized, _state_root, _gas_used_encoded in transaction_list:
tx = transactions.Transaction.create(tx_lst_serialized)
logger.debug("data %r", tx.data)
logger.debug('applying %r', tx)
logger.debug('applying %r', tx.to_dict())
logger.debug('block.gas_used before: %r', block.gas_used)
success, output = processblock.apply_transaction(block, tx)
logger.debug('block.gas_used after: %r', block.gas_used)
logger.debug('success: %r', success)
diff = utils.decode_int(_gas_used_encoded) - block.gas_used
logger.debug("GAS_USED DIFF %r", diff)
assert utils.decode_int(_gas_used_encoded) == block.gas_used
assert _state_root.encode('hex') == block.state.root_hash.encode('hex')
# checks
assert block.prevhash == parent.hash
assert block.tx_list_root == kargs['tx_list_root']
assert block.gas_used == kargs['gas_used']
assert block.gas_limit == kargs['gas_limit']
assert block.timestamp == kargs['timestamp']
assert block.difficulty == kargs['difficulty']
assert block.number == kargs['number']
assert block.extra_data == kargs['extra_data']
assert utils.sha3(rlp.encode(block.uncles)) == kargs['uncles_hash']
assert block.state.root_hash.encode('hex') == kargs['state_root'].encode(
'hex')
block.uncles_hash = kargs['uncles_hash']
block.nonce = kargs['nonce']
block.min_gas_price = kargs['min_gas_price']
return block
def genesis_fixture():
"""
Read genesis block from fixtures.
"""
genesis_fixture = None
with open('fixtures/genesishashestest.json', 'r') as f:
genesis_fixture = json.load(f)
assert genesis_fixture is not None, "Could not read genesishashtest.json from fixtures. Make sure you did 'git submodule init'!"
# FIXME: assert that link is uptodate
for k in ('genesis_rlp_hex', 'genesis_state_root', 'genesis_hash', 'initial_alloc'):
assert k in genesis_fixture
assert utils.sha3(genesis_fixture['genesis_rlp_hex'].decode('hex')).encode('hex') ==\
genesis_fixture['genesis_hash']
return genesis_fixture
def genesis_fixture():
"""
Read genesis block from fixtures.
"""
genesis_fixture = None
with open('fixtures/genesishashestest.json', 'r') as f:
genesis_fixture = json.load(f)
assert genesis_fixture is not None, "Could not read genesishashtest.json from fixtures. Make sure you did 'git submodule init'!"
# FIXME: assert that link is uptodate
for k in ('genesis_rlp_hex', 'genesis_state_root', 'genesis_hash', 'initial_alloc'):
assert k in genesis_fixture
assert utils.sha3(genesis_fixture['genesis_rlp_hex'].decode('hex')).encode('hex') ==\
genesis_fixture['genesis_hash']
return genesis_fixture
def deserialize_child(parent, rlpdata):
"""
deserialization w/ replaying transactions
"""
header_args, transaction_list, uncles = rlp.decode(rlpdata)
assert len(header_args) == len(blocks.block_structure)
kargs = dict(transaction_list=transaction_list, uncles=uncles)
# Deserialize all properties
for i, (name, typ, default) in enumerate(blocks.block_structure):
kargs[name] = utils.decoders[typ](header_args[i])
block = blocks.Block.init_from_parent(parent, kargs['coinbase'],
extra_data=kargs['extra_data'],
timestamp=kargs['timestamp'])
block.finalize() # this is the first potential state change
# replay transactions
for tx_lst_serialized, _state_root, _gas_used_encoded in transaction_list:
tx = transactions.Transaction.create(tx_lst_serialized)
logger.debug("data %r", tx.data)
logger.debug('applying %r', tx)
logger.debug('applying %r', tx.to_dict())
logger.debug('block.gas_used before: %r', block.gas_used)
success, output = processblock.apply_transaction(block, tx)
logger.debug('block.gas_used after: %r', block.gas_used)
logger.debug('success: %r', success)
diff = utils.decode_int(_gas_used_encoded) - block.gas_used
logger.debug("GAS_USED DIFF %r", diff)
assert utils.decode_int(_gas_used_encoded) == block.gas_used
assert _state_root.encode('hex') == block.state.root_hash.encode('hex')
# checks
assert block.prevhash == parent.hash
assert block.tx_list_root == kargs['tx_list_root']
assert block.gas_used == kargs['gas_used']
assert block.gas_limit == kargs['gas_limit']
assert block.timestamp == kargs['timestamp']
assert block.difficulty == kargs['difficulty']
assert block.number == kargs['number']
assert block.extra_data == kargs['extra_data']
assert utils.sha3(rlp.encode(block.uncles)) == kargs['uncles_hash']
assert block.state.root_hash.encode(
'hex') == kargs['state_root'].encode('hex')
block.uncles_hash = kargs['uncles_hash']
block.nonce = kargs['nonce']
block.min_gas_price = kargs['min_gas_price']
return block
def push_content(content, title, genesis, root_contract, usr):
key, addr = usr
nonce = get_nonce(genesis, addr)
content_hash = utils.sha3(content)
# push a transaction with a title. recover title from blockchain
tx_push = transactions.Transaction(
nonce, 0, 10**12, 10000, root_contract,
serpent.encode_datalist([1, content_hash, title])).sign(key)
ans = processblock.apply_tx(genesis, tx_push)
f = open('data/%s' % content_hash.encode('hex'), 'w')
f.write(content)
f.close()
return content_hash
def _get_block_before_tx(txhash):
tx, blk = chain_manager.index.get_transaction(txhash.decode('hex'))
# get the state we had before this transaction
test_blk = Block.init_from_parent(blk.get_parent(),
blk.coinbase,
extra_data=blk.extra_data,
timestamp=blk.timestamp,
uncles=blk.uncles)
pre_state = test_blk.state_root
for i in range(blk.transaction_count):
tx_lst_serialized, sr, _ = blk.get_transaction(i)
if utils.sha3(rlp.encode(tx_lst_serialized)) == tx.hash:
break
else:
pre_state = sr
test_blk.state.root_hash = pre_state
return test_blk, tx
def _get_block_before_tx(txhash):
tx, blk, i = chain_manager.index.get_transaction(txhash.decode('hex'))
# get the state we had before this transaction
test_blk = Block.init_from_parent(blk.get_parent(),
blk.coinbase,
extra_data=blk.extra_data,
timestamp=blk.timestamp,
uncles=blk.uncles)
pre_state = test_blk.state_root
for i in range(blk.transaction_count):
tx_lst_serialized, sr, _ = blk.get_transaction(i)
if utils.sha3(rlp.encode(tx_lst_serialized)) == tx.hash:
break
else:
pre_state = sr
test_blk.state.root_hash = pre_state
return test_blk, tx, i
def before_feature(self, context, feature):
'''
.. note::
`context.conf` is used instead of `context.config` because `config`
is used internally in `context` by *behave*
'''
context.conf = conf = mock.MagicMock()
node_id = sha3(str(uuid.uuid1())).encode('hex')
tempdir = tempfile.mkdtemp()
def get_side_effect(section, option):
if section == 'network' and option == 'client_id':
return 'client id'
if section == 'network' and option == 'listen_host':
return '0.0.0.0'
if section == 'network' and option == 'node_id':
return node_id
if section == 'wallet' and option == 'coinbase':
return '0'*40
if section == 'misc' and option == 'data_dir':
return tempdir
def getint_side_effect(section, option):
if section == 'network' and option == 'listen_port':
return 1234
if section == 'network' and option == 'num_peers':
return 10
conf.get.side_effect = get_side_effect
conf.getint.side_effect = getint_side_effect
def get_proposal_id(self, proposal):
return big_endian_to_int(sha3(zpad(proposal, 32)))
def __init__(self, secret):
self.key = utils.sha3(secret)
self.address = utils.privtoaddr(self.key)
) + [n % 256]
choice1 = 0x01
nonce1 = 0x01
ch1 = ''.join(map(chr, tobytearr(choice1, 32)))
no1 = ''.join(map(chr, tobytearr(nonce1, 32)))
print("Player one chooses {} which is: {}").format(choice1, choice[choice1])
k0_pub_addr_hex = utils.privtoaddr(tester.k0)
## Prepare and pad the address
k0_pub_addr = ''.join(map(chr, tobytearr(long(k0_pub_addr_hex, 16), 32)))
## Now use it for the commitment
s1 = ''.join([k0_pub_addr, ch1, no1])
comm1 = utils.sha3(s1)
choice2 = 0x02
nonce2 = 0x01
ch2 = ''.join(map(chr, tobytearr(choice2, 32)))
no2 = ''.join(map(chr, tobytearr(nonce2, 32)))
print("Player two chooses {} which is: {}\n").format(choice2, choice[choice2])
k1_pub_addr_hex = utils.privtoaddr(tester.k1)
#print(type(k1_pub_addr_hex)) ## This is an encoded hex string .. cannot be used directly
## Prepare and pad the address
k1_pub_addr = ''.join(map(chr, tobytearr(long(k1_pub_addr_hex, 16), 32)))
## Now use it for the commitment
s2 = ''.join([k1_pub_addr, ch2, no2])
def get_proposal_id(self, proposal):
return big_endian_to_int(sha3(zpad(proposal, 32)))
def blkhash(n):
if n >= ext.block_number or n < ext.block_number - 256:
return ''
else:
return u.sha3(str(n))
def step_impl(context):
assert (context.ans == utils.sha3(context.msg))
def step_impl(context):
context.key = utils.sha3('cows')
context.addr = utils.privtoaddr(context.key)
context.gen = blocks.genesis({context.addr: 10**60})
def hash_value(value):
return utils.big_endian_to_int(utils.sha3(utils.zpad(value, 32)))
def create_config():
config = ConfigParser.ConfigParser()
# set some defaults, which may be overwritten
config.add_section('network')
config.set('network', 'listen_host', '0.0.0.0')
config.set('network', 'listen_port', '30303')
config.set('network', 'num_peers', '5')
config.set('network', 'remote_port', '30303')
config.set('network', 'remote_host', '')
config.set('network', 'client_id', Packeter.CLIENT_ID)
config.set('network', 'node_id', sha3(str(uuid.uuid1())).encode('hex'))
config.add_section('api')
config.set('api', 'listen_host', '127.0.0.1')
config.set('api', 'listen_port', '30203')
config.add_section('misc')
config.set('misc', 'verbosity', '1')
config.set('misc', 'config_file', None)
config.set('misc', 'logging', None)
config.set('misc', 'data_dir', data_dir.path)
config.set('misc', 'mining', '10')
config.add_section('wallet')
config.set('wallet', 'coinbase', '0' * 40)
usage = "usage: %prog [options]"
parser = OptionParser(usage=usage, version=Packeter.CLIENT_ID)
parser.add_option(
"-l", "--listen",
dest="listen_port",
default=config.get('network', 'listen_port'),
help="<port> Listen on the given port for incoming"
" connected (default: 30303).")
parser.add_option(
"-a", "--address",
dest="coinbase",
help="Set the coinbase (mining payout) address",
default=config.get('wallet', 'coinbase'))
parser.add_option(
"-d", "--data_dir",
dest="data_dir",
help="<path> Load database from path (default: %s)" % config.get(
'misc', 'data_dir'),
default=config.get('misc', 'data_dir'))
parser.add_option(
"-r", "--remote",
dest="remote_host",
help="<host> Connect to remote host"
" (try: 54.201.28.117 or 54.204.10.41)")
parser.add_option(
"-p", "--port",
dest="remote_port",
default=config.get('network', 'remote_port'),
help="<port> Connect to remote port (default: 30303)"
)
parser.add_option(
"-v", "--verbose",
dest="verbosity",
default=config.get('misc', 'verbosity'),
help="<0 - 3> Set the log verbosity from 0 to 3 (default: 1)")
parser.add_option(
"-m", "--mining",
dest="mining",
default=config.get('misc', 'mining'),
help="<0 - 100> Percent CPU used for mining 0==off (default: 10)")
parser.add_option(
"-L", "--logging",
dest="logging",
default=config.get('misc', 'logging'),
help="<logger1:LEVEL,logger2:LEVEL> set the console log level for"
" logger1, logger2, etc. Empty loggername means root-logger,"
" e.g. 'pyethereum.wire:DEBUG,:INFO'. Overrides '-v'")
parser.add_option(
"-x", "--peers",
dest="num_peers",
default=config.get('network', 'num_peers'),
help="<number> Attempt to connect to given number of peers"
"(default: 5)")
parser.add_option("-C", "--config",
dest="config_file",
help="read coniguration")
(options, args) = parser.parse_args()
# set network options
for attr in ('listen_port', 'remote_host', 'remote_port', 'num_peers'):
config.set('network', attr, getattr(
options, attr) or config.get('network', attr))
# set misc options
for attr in ('verbosity', 'config_file', 'logging', 'data_dir', 'mining'):
config.set(
'misc', attr, getattr(options, attr) or config.get('misc', attr))
# set wallet options
for attr in ('coinbase',):
config.set(
'wallet', attr, getattr(options, attr) or config.get('wallet', attr))
if len(args) != 0:
parser.error("wrong number of arguments")
sys.exit(1)
if config.get('misc', 'config_file'):
config.read(config.get('misc', 'config_file'))
# set datadir
if config.get('misc', 'data_dir'):
data_dir.set(config.get('misc', 'data_dir'))
# configure logging
configure_logging(
config.get('misc', 'logging') or '',
verbosity=config.getint('misc', 'verbosity'))
return config
def __init__(self, name, genesis=None):
self.private_key = utils.sha3(name)
self.addr = utils.privtoaddr(self.private_key)
self.genesis = genesis or blocks.genesis({self.addr: self.START_BALANCE})
def __init__(self, secret):
self.key = utils.sha3(secret)
self.address = utils.privtoaddr(self.key)
import serpent
from pyethereum import transactions, blocks, processblock, utils
import bitcoin
key = utils.sha3('aimfesidfd')
addr = utils.privtoaddr(key)
def pad32(n):
if type(n) == str:
h = n.encode('hex')
else:
h = "%02x" % n
l = len(h)
return "0" * (32 - l) + h
nargs = pad32(1)
d0 = pad32('hi')
print nargs, d0
msg_hash = utils.sha3(nargs + d0)
v, r, s = bitcoin.ecdsa_raw_sign(msg_hash, key)
pubkey = bitcoin.privkey_to_pubkey(key)
verified = bitcoin.ecdsa_raw_verify(msg_hash, (v, r, s), pubkey)
gen = blocks.genesis({addr: 10**18})
print serpent.compile_to_assembly(open("DAOist frame.se").read())
DAOcode = serpent.compile(open("DAOist frame.se").read())
DAOcontract = transactions.contract(0, 1, 10**12, 100, DAOcode)
def new_user(brain_pass):
key = utils.sha3(brain_pass)
addr = utils.privtoaddr(key)
return key, addr
def mk_acc(n):
out={"priv":utils.sha3("brainwallet"+str(n))}
out["pub"]=b.privtopub(out["priv"])
out["addr"]=int(utils.privtoaddr(out["priv"]), 16)
return(out)
tempfile.mktemp()
cfg.set('misc', 'data_dir', data_dir)
return cfg
### From here is pasted together from earlier version of pyetherem
import serpent
from pyethereum import transactions, blocks, processblock, utils
#processblock.print_debug = 1
from pyethereum import slogging
slogging.set_level('eth.tx', "DEBUG")
code = serpent.compile(namecoin_code)
key = utils.sha3('cow')
addr = utils.privtoaddr(key)
genesis = blocks.genesis(new_db(), {addr: 10**18})
tx1 = transactions.contract(nonce=0,
gasprice=10**12,
startgas=10000,
endowment=0,
code=code).sign(key)
result, contract = processblock.apply_transaction(genesis, tx1)
print genesis.to_dict()
tx2 = transactions.Transaction(nonce=1,
gasprice=10**12,
startgas=10000,
to=contract,
value=0,
data=serpent.encode_abi(0, 1, 45)).sign(key)
def mk_acc(n):
out = {"priv": utils.sha3("brainwallet" + str(n))}
out["pub"] = b.privtopub(out["priv"])
out["addr"] = int(utils.privtoaddr(out["priv"]), 16)
return (out)
import serpent, json, random
from pyethereum import transactions, blocks, processblock,utils
NUM_ACCOUNTS=4
root_code = serpent.compile(open('zeroid.se').read())
root_key = utils.sha3('cow')
root_addr = utils.privtoaddr(root_key)
keys = {}
for x in range(NUM_ACCOUNTS):
key = utils.sha3(str(x+4))
addr = utils.privtoaddr(key)
keys[addr] = key
endowment = {root_addr: 10**18}
for x in keys:
endowment[x] = 10**18
genesis = blocks.genesis(endowment)
tx1 = transactions.contract(0, 10**12, 100000, 0, root_code).sign(root_key)
result, contract = processblock.apply_transaction(genesis, tx1)
nonce=1
for address in keys:
fixtures 15.10.:f68067286ddb7245c2203b18135456de1fc4ed6a24a2d9014195faa7900025bf
py poc6: 08436a4d33c77e6acf013e586a3333ad152f25d31df8b68749d85046810e1f4b
fixtures 19.9,: 08436a4d33c77e6acf013e586a3333ad152f25d31df8b68749d85046810e1f4b
"""
genesis = blocks.genesis(new_db())
assert genesis.hex_hash() == genesis_fixture['genesis_hash']
if __name__ == '__main__':
cpp_genesis_rlp_hex = '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'
cpp_genesis_rlp = cpp_genesis_rlp_hex.decode('hex')
poc7_genesis_hash_hex = '955f36d073ccb026b78ab3424c15cf966a7563aa270413859f78702b9e8e22cb'
cpp_genesis = rlp.decode(cpp_genesis_rlp)
cpp_genesis_hash_hex = utils.sha3(rlp.encode(cpp_genesis[0])).encode('hex')
cpp_header = cpp_genesis[0]
cpp_header_hex = [x.encode('hex') for x in cpp_header]
py_genesis = rlp.decode(blocks.genesis().serialize())
py_genesis_hex_hash = blocks.genesis().hex_hash()
py_header = py_genesis[0]
py_header_hex = [x.encode('hex') for x in py_header]
print 'py genesis hash hex', py_genesis_hex_hash
print 'py state_root', py_header[blocks.block_structure_rev['state_root']
[0]].encode('hex')
print 'py genesis rlp', blocks.genesis().hex_serialize()
assert len(py_header_hex) == len(cpp_header_hex)
class Packeter(object):
"""
Translates between the network and the local data
https://github.com/ethereum/wiki/wiki/%5BEnglish%5D-Wire-Protocol
https://github.com/ethereum/cpp-ethereum/wiki/%C3%90%CE%9EVP2P-Networking
"""
NETWORK_PROTOCOL_VERSION = 0
ETHEREUM_PROTOCOL_VERSION = 32
CLIENT_VERSION = 'Ethereum(py)/%s/%s' % (sys.platform, __version__)
#the node s Unique Identifier and is the 512-bit hash that serves to identify the node.
NODE_ID = sha3('') # set in config
NETWORK_ID = 0
SYNCHRONIZATION_TOKEN = 0x22400891
CAPABILITIES = ['eth'] # + ['shh'] ethereum protocol whisper protocol
cmd_map = dict((
(0x00, 'Hello'),
(0x01, 'Disconnect'),
(0x02, 'Ping'),
(0x03, 'Pong'),
(0x04, 'GetPeers'),
(0x05, 'Peers'),
(0x10, 'Status'),
(0x11, 'GetTransactions'),
(0x12, 'Transactions'),
(0x13, 'GetBlockHashes'),
(0x14, 'BlockHashes'),
(0x15, 'GetBlocks'),
(0x16, 'Blocks'),
))
cmd_map_by_name = dict((v, k) for k, v in cmd_map.items())
disconnect_reasons_map = dict(
(('Disconnect requested', 0x00), ('TCP sub-system error', 0x01),
('Bad protocol', 0x02), ('Useless peer', 0x03),
('Too many peers', 0x04), ('Already connected', 0x05),
('Wrong genesis block', 0x06), ('Incompatible network protocols',
0x07), ('Client quitting', 0x08)))
disconnect_reasons_map_by_id = \
dict((v, k) for k, v in disconnect_reasons_map.items())
def __init__(self):
pass
def configure(self, config):
self.config = config
self.CLIENT_VERSION = self.config.get('network', 'client_version') \
or self.CLIENT_VERSION
self.NODE_ID = self.config.get('network', 'node_id')
@classmethod
def load_packet(cls, packet):
'''
Though TCP provides a connection-oriented medium, Ethereum nodes
communicate in terms of packets. These packets are formed as a 4-byte
synchronisation token (0x22400891), a 4-byte "payload size", to be
interpreted as a big-endian integer and finally an N-byte
RLP-serialised data structure, where N is the aforementioned
"payload size". To be clear, the payload size specifies the number of
bytes in the packet ''following'' the first 8.
:return: (success, result), where result should be None when fail,
and (header, payload_len, cmd, data) when success
'''
header = idec(packet[:4])
if header != cls.SYNCHRONIZATION_TOKEN:
return False, 'check header failed, skipping message,'\
'sync token was hex: %s' % hex(header)
try:
payload_len = idec(packet[4:8])
except Exception as e:
return False, str(e)
if len(packet) < payload_len + 8:
return False, 'Packet is broken'
try:
payload = lrlp_decode(packet[8:8 + payload_len])
except Exception as e:
return False, str(e)
#logger.debug('load packet, cmd:%d %r', idec(payload[0]), Packeter.cmd_map.get(idec(payload[0]),'unknown'))
if (not len(payload)) or (idec(payload[0]) not in cls.cmd_map):
return False, 'check cmd %r failed' % idec(payload[0])
cmd = Packeter.cmd_map.get(idec(payload[0]))
remain = packet[8 + payload_len:]
return True, (header, payload_len, cmd, payload[1:], remain)
def load_cmd(self, packet):
success, res = self.load_packet(packet)
if not success:
raise Exception(res)
_, _, cmd, data, remain = res
return cmd, data, remain
@classmethod
def dump_packet(cls, data):
"""
4-byte synchronisation token, (0x22400891),
a 4-byte "payload size", to be interpreted as a big-endian integer
an N-byte RLP-serialised data structure
"""
payload = rlp.encode(recursive_int_to_big_endian(data))
packet = ienc4(cls.SYNCHRONIZATION_TOKEN)
packet += ienc4(len(payload))
packet += payload
return packet
def dump_Hello(self):
"""
0x01 Hello: [0x01: P, protocolVersion: P, clientVersion: B, [cap0: B, cap1: B, ...], listenPort: P, id: B_64]
protocolVersion: The underlying network protocol. 0
clientVersion: The underlying client. A user-readable string.
capN: A peer-network capability code, readable ASCII and 3 letters. Currently only "eth" and "shh" are known.
listenPort: The port on which the peer is listening for an incoming connection.
id: The identity and public key of the peer.
"""
data = [
self.cmd_map_by_name['Hello'], self.NETWORK_PROTOCOL_VERSION,
self.CLIENT_VERSION, self.CAPABILITIES,
self.config.getint('network', 'listen_port'), self.NODE_ID
]
return self.dump_packet(data)
def dump_Ping(self):
data = [self.cmd_map_by_name['Ping']]
return self.dump_packet(data)
def dump_Pong(self):
data = [self.cmd_map_by_name['Pong']]
return self.dump_packet(data)
def dump_Disconnect(self, reason=None):
data = [self.cmd_map_by_name['Disconnect']]
if reason:
data.append(self.disconnect_reasons_map[reason])
return self.dump_packet(data)
def dump_GetPeers(self):
data = [self.cmd_map_by_name['GetPeers']]
return self.dump_packet(data)
def dump_Peers(self, peers):
'''
:param peers: a sequence of (ip, port, pid)
:return: None if no peers
'''
data = [self.cmd_map_by_name['Peers']]
for ip, port, pid in peers:
assert ip.count('.') == 3
ip = ''.join(chr(int(x)) for x in ip.split('.'))
data.append([ip, port, pid])
return self.dump_packet(data)
def dump_Status(self, total_difficulty, head_hash, genesis_hash):
"""
0x10 Status: [0x10: P, protocolVersion: P, networkID: P, totalDifficulty: P, latestHash: B_32, genesisHash: B_32]
protocolVersion: The version of the Ethereum protocol this peer implements. 30 at present.
networkID: The network version of Ethereum for this peer. 0 for the official testnet.
totalDifficulty: Total Difficulty of the best chain. Integer, as found in block header.
latestHash: The hash of the block with the highest validated total difficulty.
GenesisHash: The hash of the Genesis block.
"""
data = [
self.cmd_map_by_name['Status'],
self.ETHEREUM_PROTOCOL_VERSION,
self.NETWORK_ID,
total_difficulty, # chain head total difficulty,
head_hash, # chain head hash
genesis_hash # genesis hash
]
return self.dump_packet(data)
def dump_Transactions(self, transactions):
data = [self.cmd_map_by_name['Transactions']] + transactions
return self.dump_packet(data)
def dump_GetTransactions(self):
"""
[0x12, [nonce, receiving_address, value, ... ], ... ]
Specify (a) transaction(s) that the peer should make sure is included
on its transaction queue. The items in the list (following the first
item 0x12) are transactions in the format described in the main
Ethereum specification.
"""
data = [self.cmd_map_by_name['GetTransactions']]
return self.dump_packet(data)
def dump_Blocks(self, blocks):
blocks_as_lists = [rlp.decode(b.serialize()) for b in blocks]
# FIXME, can we have a method to append rlp encoded data
data = [self.cmd_map_by_name['Blocks']] + blocks_as_lists
return self.dump_packet(data)
def dump_GetBlockHashes(self, block_hash, max_blocks):
"""
[0x17, [ hash : B_32, maxBlocks: P ]]
Requests a BlockHashes message of at most maxBlocks entries, of block hashes from
the blockchain, starting at the parent of block hash. Does not require the peer
to give maxBlocks hashes - they could give somewhat fewer.
"""
data = [self.cmd_map_by_name['GetBlockHashes'], block_hash, max_blocks]
return self.dump_packet(data)
def dump_BlockHashes(self, block_hashes):
"""
[0x18, [ hash_0: B_32, hash_1: B_32, .... ]]
Gives a series of hashes of blocks (each the child of the next). This implies that
the blocks are ordered from youngest to oldest.
"""
data = [self.cmd_map_by_name['BlockHashes']] + block_hashes
return self.dump_packet(data)
def dump_GetBlocks(self, block_hashes):
"""
[0x19,[ hash_0: B_32, hash_1: B_32, .... ]]
Requests a Blocks message detailing a number of blocks to be sent, each referred to
by a hash. Note: Don't expect that the peer necessarily give you all these blocks
in a single message - you might have to re-request them.
"""
data = [self.cmd_map_by_name['GetBlocks']] + block_hashes
return self.dump_packet(data)
from pyethereum import utils
SZABO = 10**12
FINNEY = 10**15
ETHER = 10**18
DEFAULT_GAS = 10000
GAS_PRICE = 10 * SZABO
JSONRPC_URL = "http://192.168.59.103:8080"
MIN_MINING_BALANCE = 3 * ETHER
POLL_SLEEP = 5 # seconds
GENESIS_HASH = "0000000000000000000000000000000000000000000000000000000000000000"
DEFAULT_KEY = '0x' + utils.sha3("cow").encode('hex') # part of the Genesis block
DEFAULT_ADDRESS = '0x' + utils.privtoaddr(DEFAULT_KEY[2:]) # cd2a3d9f938e13cd947ec05abc7fe734df8dd826
VM_NAME = "eth-json-rpc"
VM_CMD = "eth --json-rpc --mining on -v 4"
VM_IMAGE = "cptobvious/cpp-ethereum-develop"
def accounts():
k = u.sha3('cow')
v = u.privtoaddr(k)
k2 = u.sha3('horse')
v2 = u.privtoaddr(k2)
return k, v, k2, v2
def new_config(data_dir=None):
cfg = _get_default_config()
if not data_dir:
tempfile.mktemp()
cfg.set('misc', 'data_dir', data_dir)
return cfg
### From here is pasted together from earlier version of pyetherem
import serpent
from pyethereum import transactions, blocks, processblock, utils
#processblock.print_debug = 1
from pyethereum import slogging
slogging.set_level('eth.tx',"DEBUG")
code = serpent.compile(namecoin_code)
key = utils.sha3('cow')
addr = utils.privtoaddr(key)
genesis = blocks.genesis(new_db(), { addr: 10**18 })
tx1 = transactions.contract(nonce=0,gasprice=10**12,startgas=10000,endowment=0,code=code).sign(key)
result, contract = processblock.apply_transaction(genesis,tx1)
print genesis.to_dict()
tx2 = transactions.Transaction(nonce=1,gasprice=10**12,startgas=10000,to=contract,value=0,
data=serpent.encode_abi(0,1,45)).sign(key)
result, ans = processblock.apply_transaction(genesis,tx2)
serpent.decode_datalist(ans)
#print genesis.to_dict()
def accounts():
k = utils.sha3('cow')
v = utils.privtoaddr(k)
k2 = utils.sha3('horse')
v2 = utils.privtoaddr(k2)
return k, v, k2, v2
import json
import requests
import sys
import time
from uuid import uuid4
from pyethereum import utils
import serpent
JSONRPC_URL = "http://127.0.0.1:8080"
DEFAULT_GAS = 10000
GAS_PRICE = 10 * 10**12
DEFAULT_KEY = '0x' + utils.sha3("cow").encode(
'hex') # part of the Genesis block
DEFAULT_ADDRESS = '0x' + utils.privtoaddr(
DEFAULT_KEY[2:]) # cd2a3d9f938e13cd947ec05abc7fe734df8dd826
# FIXME using cow address doesn't work
DEFAULT_ADDRESS = '0x8928602aaee4d7cec275e0da580805f6949cfe98'
class ApiException(Exception):
def __init__(self, code, message):
self.code = code
self.message = message
def __str__(self):
return "code=%d, message=\"%s\"" % (self.code, self.message)
tobytearr = lambda n, L: [] if L == 0 else tobytearr(n / 256, L - 1)+[n % 256]
choice1 = 0x01
nonce1 = 0x01
ch1 = ''.join(map(chr, tobytearr(choice1, 32)))
no1 = ''.join(map(chr, tobytearr(nonce1, 32)))
print("Player one chooses {} which is: {}").format(choice1, choice[choice1])
k0_pub_addr_hex = utils.privtoaddr(tester.k0)
## Prepare and pad the address
k0_pub_addr = ''.join(map(chr, tobytearr(long(k0_pub_addr_hex,16),32)))
## Now use it for the commitment
s1 = ''.join([k0_pub_addr, ch1, no1])
comm1 = utils.sha3(s1)
choice2 = 0x02
nonce2 = 0x01
ch2 = ''.join(map(chr, tobytearr(choice2, 32)))
no2 = ''.join(map(chr, tobytearr(nonce2, 32)))
print("Player two chooses {} which is: {}\n").format(choice2, choice[choice2])
k1_pub_addr_hex = utils.privtoaddr(tester.k1)
#print(type(k1_pub_addr_hex)) ## This is an encoded hex string .. cannot be used directly
## Prepare and pad the address
k1_pub_addr = ''.join(map(chr, tobytearr(long(k1_pub_addr_hex,16),32)))
## Now use it for the commitment
s2 = ''.join([k1_pub_addr, ch2, no2])
def dbl_sha3(x):
if isinstance(x, (int, long)):
x = encode_int(x)
return decode_int(utils.sha3(utils.sha3(x)))
import time
import serpent
from pyethereum import transactions, blocks, processblock, utils
import bitcoin
key = utils.sha3(
'cow'
) # generate private key using 'brain wallet' seed (should be high entropy)
addr = utils.privtoaddr(key) # get address from private key
gen = blocks.genesis({addr: 10**60})
assembly = serpent.compile_to_assembly(open('tester.se').read())
print assembly
code = serpent.assemble(assembly)
print code
msg_hash = utils.sha3('heres a message')
v, r, s = bitcoin.ecdsa_raw_sign(msg_hash, key)
pub = bitcoin.privkey_to_pubkey(key)
verified = bitcoin.ecdsa_raw_verify(msg_hash, (v, r, s), pub)
print verified
tx_make_root = transactions.contract(0, 10, 10**30, 10**30, code).sign(key)
success, root_contract = processblock.apply_tx(gen, tx_make_root)
#tx_init_root = transactions.Transaction(1, 100, 10**40, root_contract, 0, serpent.encode_datalist([msg_hash, v, r, s])).sign(key)
#tx_init_root = transactions.Transaction(1, 100, 10**40, root_contract, 0, serpent.encode_datalist(['hi', 'bye'])).sign(key)
tx_init_root = transactions.Transaction(
1, 100, 10**40, root_contract, 0,
serpent.encode_datalist([2, '139dcd5cc79e260272e05147c349ab5f2db3f102',
def sha3(x):
return decode_int(utils.sha3(x))
def blkhash(n):
if n >= blk.number or n < blk.number - 256:
return ''
else:
return u.sha3(str(n))
def blkhash(n):
if n >= ext.block_number or n < ext.block_number - 256:
return ''
else:
return u.sha3(str(n))
import json
import requests
import sys
import time
from uuid import uuid4
from pyethereum import utils
import serpent
JSONRPC_URL = "http://127.0.0.1:8080"
DEFAULT_GAS = 10000
GAS_PRICE = 10 * 10 ** 12
DEFAULT_KEY = "0x" + utils.sha3("cow").encode("hex") # part of the Genesis block
DEFAULT_ADDRESS = "0x" + utils.privtoaddr(DEFAULT_KEY[2:]) # cd2a3d9f938e13cd947ec05abc7fe734df8dd826
# FIXME using cow address doesn't work
DEFAULT_ADDRESS = "0x8928602aaee4d7cec275e0da580805f6949cfe98"
class ApiException(Exception):
def __init__(self, code, message):
self.code = code
self.message = message
def __str__(self):
return 'code=%d, message="%s"' % (self.code, self.message)
class Api(object):
def __init__(self, jsonrpc_url=JSONRPC_URL):
def default_node_id():
return sha3(str(uuid.uuid1())).encode('hex')
'''
import serpent
from pyethereum import transactions, blocks, processblock, utils
import time
import sys
#require command line args
if len(sys.argv) < 3:
print("Usage: %s [price] [recipient: transcation success: 2, transcation deny: 3] [sender: transcation success: 2, transcation deny: 3]" %sys.argv[0])
sys.exit(1)
code = serpent.compile(escrow)
sender_key = utils.sha3('sender')
sender_addr = utils.privtoaddr(sender_key)
recipient_key = utils.sha3('recipient')
recipient_addr = utils.privtoaddr(recipient_key)
host_key = utils.sha3('host')
host_addr = utils.privtoaddr(host_key)
#initialize the block
genesis = blocks.genesis({sender_addr: 10**18, recipient_addr: 10**18, host_addr: 10**18})
#initialize the contract
tx1 = transactions.contract(0, 10**12, 10000, 0, code).sign(host_key)
result, contract = processblock.apply_transaction(genesis, tx1)
#execute escrow transaction
#nonce, gasprice, startgas, to, value, data
def sha3(x):
return decode_int(utils.sha3(x))
