def contract_creation_tx(
shard_state,
key,
from_address,
to_full_shard_key,
bytecode,
gas=100000,
gas_token_id=None,
transfer_token_id=None,
):
if gas_token_id is None:
gas_token_id = shard_state.env.quark_chain_config.genesis_token
if transfer_token_id is None:
transfer_token_id = shard_state.env.quark_chain_config.genesis_token
evm_tx = EvmTransaction(
nonce=shard_state.get_transaction_count(from_address.recipient),
gasprice=1,
startgas=gas,
value=0,
to=b"",
data=bytes.fromhex(bytecode),
from_full_shard_key=from_address.full_shard_key,
to_full_shard_key=to_full_shard_key,
network_id=shard_state.env.quark_chain_config.NETWORK_ID,
gas_token_id=gas_token_id,
transfer_token_id=transfer_token_id,
)
evm_tx.sign(key)
return TypedTransaction(SerializedEvmTransaction.from_evm_tx(evm_tx))
def create_transfer_transaction(
shard_state,
key,
from_address,
to_address,
value,
gas=21000, # transfer tx min gas
gas_price=1,
nonce=None,
data=b"",
):
""" Create an in-shard xfer tx
"""
evm_tx = EvmTransaction(
nonce=shard_state.get_transaction_count(from_address.recipient)
if nonce is None else nonce,
gasprice=gas_price,
startgas=gas,
to=to_address.recipient,
value=value,
data=data,
from_full_shard_id=from_address.full_shard_id,
to_full_shard_id=to_address.full_shard_id,
network_id=shard_state.env.quark_chain_config.NETWORK_ID,
)
evm_tx.sign(key=key)
return Transaction(in_list=[],
code=Code.create_evm_code(evm_tx),
out_list=[])
def create_transfer_transaction(
shard_state,
key,
from_address,
to_address,
value,
gas=21000, # transfer tx min gas
gas_price=1,
nonce=None,
data=b"",
gas_token_id=None,
transfer_token_id=None,
):
if gas_token_id is None:
gas_token_id = shard_state.env.quark_chain_config.genesis_token
if transfer_token_id is None:
transfer_token_id = shard_state.env.quark_chain_config.genesis_token
""" Create an in-shard xfer tx
"""
evm_tx = EvmTransaction(
nonce=shard_state.get_transaction_count(from_address.recipient)
if nonce is None else nonce,
gasprice=gas_price,
startgas=gas,
to=to_address.recipient,
value=value,
data=data,
from_full_shard_key=from_address.full_shard_key,
to_full_shard_key=to_address.full_shard_key,
network_id=shard_state.env.quark_chain_config.NETWORK_ID,
gas_token_id=gas_token_id,
transfer_token_id=transfer_token_id,
)
evm_tx.sign(key=key)
return TypedTransaction(SerializedEvmTransaction.from_evm_tx(evm_tx))
def create_transaction(self, account, nonce, x_shard_percent,
sample_evm_tx) -> Optional[Transaction]:
shard_size = self.qkc_config.SHARD_SIZE
shard_mask = shard_size - 1
from_shard = self.shard_id
# skip if from shard is specified and not matching current branch
# FIXME: it's possible that clients want to specify '0x0' as the full shard ID, however it will not be supported
if (sample_evm_tx.from_full_shard_id and
(sample_evm_tx.from_full_shard_id & shard_mask) != from_shard):
return None
if sample_evm_tx.from_full_shard_id:
from_full_shard_id = sample_evm_tx.from_full_shard_id
else:
from_full_shard_id = (account.address.full_shard_id & (~shard_mask)
| from_shard)
if not sample_evm_tx.to:
to_address = random.choice(self.accounts).address
recipient = to_address.recipient
to_full_shard_id = to_address.full_shard_id & (
~shard_mask) | from_shard
else:
recipient = sample_evm_tx.to
to_full_shard_id = from_full_shard_id
if random.randint(1, 100) <= x_shard_percent:
# x-shard tx
to_shard = random.randint(0, self.qkc_config.SHARD_SIZE - 1)
if to_shard == self.shard_id:
to_shard = (to_shard + 1) % self.qkc_config.SHARD_SIZE
to_full_shard_id = to_full_shard_id & (~shard_mask) | to_shard
value = sample_evm_tx.value
if not sample_evm_tx.data:
value = random.randint(1, 100) * (10**15)
gas_token_id = 1
transfer_token_id = 1
evm_tx = EvmTransaction(
nonce=nonce,
gasprice=sample_evm_tx.gasprice,
startgas=sample_evm_tx.startgas,
gas_token_id=gas_token_id,
to=recipient,
value=value,
transfer_token_id=transfer_token_id,
data=sample_evm_tx.data,
from_full_shard_id=from_full_shard_id,
to_full_shard_id=to_full_shard_id,
network_id=self.qkc_config.NETWORK_ID,
)
evm_tx.sign(account.key)
return Transaction(code=Code.create_evm_code(evm_tx))
def test_sendTransaction(self):
id1 = Identity.create_random_identity()
acc1 = Address.create_from_identity(id1, full_shard_key=0)
acc2 = Address.create_random_account(full_shard_key=1)
with ClusterContext(
1, acc1, small_coinbase=True) as clusters, jrpc_server_context(
clusters[0].master):
slaves = clusters[0].slave_list
master = clusters[0].master
block = call_async(
master.get_next_block_to_mine(address=acc2, branch_value=None))
call_async(master.add_root_block(block))
evm_tx = EvmTransaction(
nonce=0,
gasprice=6,
startgas=30000,
to=acc2.recipient,
value=15,
data=b"",
from_full_shard_key=acc1.full_shard_key,
to_full_shard_key=acc2.full_shard_key,
network_id=slaves[0].env.quark_chain_config.NETWORK_ID,
gas_token_id=master.env.quark_chain_config.genesis_token,
transfer_token_id=master.env.quark_chain_config.genesis_token,
)
evm_tx.sign(id1.get_key())
request = dict(
to="0x" + acc2.recipient.hex(),
gasPrice="0x6",
gas=hex(30000),
value="0xf", # 15
v=quantity_encoder(evm_tx.v),
r=quantity_encoder(evm_tx.r),
s=quantity_encoder(evm_tx.s),
nonce="0x0",
fromFullShardKey="0x00000000",
toFullShardKey="0x00000001",
network_id=hex(slaves[0].env.quark_chain_config.NETWORK_ID),
)
tx = TypedTransaction(SerializedEvmTransaction.from_evm_tx(evm_tx))
response = send_request("sendTransaction", [request])
self.assertEqual(response, "0x" + tx.get_hash().hex() + "00000000")
state = clusters[0].get_shard_state(2 | 0)
self.assertEqual(len(state.tx_queue), 1)
self.assertEqual(
state.tx_queue.pop_transaction(state.get_transaction_count),
evm_tx)
def create_transaction(address, key, nonce, data, network_id) -> EvmTransaction:
evm_tx = EvmTransaction(
nonce=nonce,
gasprice=1,
startgas=1000000,
to=b"",
value=0,
data=data,
from_full_shard_key=address.full_shard_key,
to_full_shard_key=address.full_shard_key,
network_id=network_id,
)
evm_tx.sign(key)
return evm_tx
def create_transaction(address, key, nonce, to, data,
network_id) -> EvmTransaction:
evm_tx = EvmTransaction(
nonce=nonce,
gasprice=1,
startgas=1000000,
to=to.recipient,
value=1000000 * (10**18),
data=data,
from_full_shard_id=address.full_shard_id,
to_full_shard_id=to.full_shard_id,
network_id=network_id,
)
evm_tx.sign(key)
return evm_tx
def create_transaction(self, account, nonce, x_shard_percent,
sample_evm_tx) -> Optional[TypedTransaction]:
# skip if from shard is specified and not matching current branch
# FIXME: it's possible that clients want to specify '0x0' as the full shard ID, however it will not be supported
if (sample_evm_tx.from_full_shard_key
and self.qkc_config.get_full_shard_id_by_full_shard_key(
sample_evm_tx.from_full_shard_key) != self.full_shard_id):
return None
if sample_evm_tx.from_full_shard_key:
from_full_shard_key = sample_evm_tx.from_full_shard_key
else:
from_full_shard_key = self.full_shard_id
if not sample_evm_tx.to:
to_address = random.choice(self.accounts).address
recipient = to_address.recipient
to_full_shard_key = self.full_shard_id
else:
recipient = sample_evm_tx.to
to_full_shard_key = from_full_shard_key
if random.randint(1, 100) <= x_shard_percent:
# x-shard tx
to_full_shard_id = random.choice(
self.qkc_config.get_full_shard_ids() - [self.full_shard_id])
to_full_shard_key = to_full_shard_id
value = sample_evm_tx.value
if not sample_evm_tx.data:
value = random.randint(1, 100) * (10**15)
evm_tx = EvmTransaction(
nonce=nonce,
gasprice=sample_evm_tx.gasprice,
startgas=sample_evm_tx.startgas,
to=recipient,
value=value,
data=sample_evm_tx.data,
gas_token_id=sample_evm_tx.gas_token_id,
transfer_token_id=sample_evm_tx.transfer_token_id,
from_full_shard_key=from_full_shard_key,
to_full_shard_key=to_full_shard_key,
network_id=self.qkc_config.NETWORK_ID,
)
evm_tx.sign(account.key)
return TypedTransaction(SerializedEvmTransaction.from_evm_tx(evm_tx))
async def donate(self, from_address, to_address, value=hex(10 ** 18)):
"""Faucet function to send value (default 1 token) from from_address to to_address.
from_address must be one of the addresses in genesis_data/alloc.json.
Only allow one pending tx at a time.
Return tx id if success else None
"""
if value > 100 * (10 ** 18):
return None
key = self.master.env.quark_chain_config.alloc_accounts.get(
from_address.hex(), None
)
if not key:
return None
from_address = Address.deserialize(from_address)
to_address = Address.deserialize(to_address)
# Do nothing if there is already a pending tx
result = await self.master.get_transactions_by_address(
from_address, bytes(1), 1
)
if result:
tx_list, next_token = result
if tx_list:
return None
account_branch_data = await self.master.get_primary_account_data(from_address)
nonce = account_branch_data.transaction_count
network_id = self.master.env.quark_chain_config.NETWORK_ID
evm_tx = EvmTransaction(
nonce,
10 ** 9,
30000,
to_address.recipient,
value,
b"",
from_full_shard_id=from_address.full_shard_id,
to_full_shard_id=to_address.full_shard_id,
network_id=network_id,
)
evm_tx.sign(key)
tx = Transaction(code=Code.create_evm_code(evm_tx))
success = await self.master.add_transaction(tx)
if not success:
return None
return id_encoder(tx.get_hash(), from_address.full_shard_id)
def _contract_tx_gen(shard_state, key, from_address, to_full_shard_id,
bytecode):
evm_tx = EvmTransaction(
nonce=shard_state.get_transaction_count(from_address.recipient),
gasprice=1,
startgas=1000000,
value=0,
to=b"",
data=bytes.fromhex(bytecode),
from_full_shard_id=from_address.full_shard_id,
to_full_shard_id=to_full_shard_id,
network_id=shard_state.env.quark_chain_config.NETWORK_ID,
)
evm_tx.sign(key)
return Transaction(in_list=[],
code=Code.create_evm_code(evm_tx),
out_list=[])
def make_test_tx(s=100000, g=50, data=b"", nonce=0, key=None):
evm_tx = EvmTransaction(
nonce=nonce,
startgas=s,
gasprice=g,
value=0,
data=data,
to=b"\x35" * 20,
gas_token_id=0,
transfer_token_id=0,
r=1,
s=1,
v=28,
)
if key:
evm_tx.sign(key=key)
return TypedTransaction(SerializedEvmTransaction.from_evm_tx(evm_tx))
def test_sendTransaction(self):
id1 = Identity.create_random_identity()
acc1 = Address.create_from_identity(id1, full_shard_id=0)
acc2 = Address.create_random_account(full_shard_id=1)
with ClusterContext(
1, acc1, small_coinbase=True) as clusters, jrpc_server_context(
clusters[0].master):
slaves = clusters[0].slave_list
branch = Branch.create(2, 0)
evm_tx = EvmTransaction(
nonce=0,
gasprice=6,
startgas=30000,
to=acc2.recipient,
value=15,
data=b"",
from_full_shard_id=acc1.full_shard_id,
to_full_shard_id=acc2.full_shard_id,
network_id=slaves[0].env.quark_chain_config.NETWORK_ID,
)
evm_tx.sign(id1.get_key())
request = dict(
to="0x" + acc2.recipient.hex(),
gasPrice="0x6",
gas=hex(30000),
value="0xf", # 15
v=quantity_encoder(evm_tx.v),
r=quantity_encoder(evm_tx.r),
s=quantity_encoder(evm_tx.s),
nonce="0x0",
fromFullShardId="0x00000000",
toFullShardId="0x00000001",
network_id=hex(slaves[0].env.quark_chain_config.NETWORK_ID),
)
tx = Transaction(code=Code.create_evm_code(evm_tx))
response = send_request("sendTransaction", [request])
self.assertEqual(response, "0x" + tx.get_hash().hex() + "00000000")
self.assertEqual(len(slaves[0].shards[branch].state.tx_queue), 1)
self.assertEqual(
slaves[0].shards[branch].state.tx_queue.pop_transaction(),
evm_tx)
def test_perf_evm():
N = 5000
IDN = 10
print("Creating %d identities" % IDN)
id_list = []
for i in range(IDN):
id_list.append(Identity.create_random_identity())
acc_list = []
for i in range(IDN):
acc_list.append(Address.create_from_identity(id_list[i]))
print("Creating %d transactions..." % N)
start_time = time.time()
tx_list = []
from_list = []
for i in range(N):
from_id = id_list[random.randint(0, IDN - 1)]
to_addr = acc_list[random.randint(0, IDN - 1)]
evm_tx = EvmTransaction(
nonce=0,
gasprice=1,
startgas=2,
to=to_addr.recipient,
value=3,
data=b"",
from_full_shard_key=0,
to_full_shard_key=0,
network_id=1,
)
evm_tx.sign(key=from_id.get_key())
tx_list.append(evm_tx)
from_list.append(from_id.get_recipient())
duration = time.time() - start_time
print("Creations PS: %.2f" % (N / duration))
print("Verifying transactions")
start_time = time.time()
for i in range(N):
tx_list[i]._sender = None
assert tx_list[i].sender == from_list[i]
duration = time.time() - start_time
print("Verifications PS: %.2f" % (N / duration))
def test_tx_size(self):
id1 = Identity.create_from_key(b"0" * 32)
acc1 = Address.create_from_identity(id1, full_shard_key=0)
evm_tx = EvmTransaction(
nonce=0,
gasprice=1,
startgas=30000,
to=acc1.recipient,
value=0,
data=b"",
from_full_shard_key=0xFFFF,
to_full_shard_key=0xFFFF,
network_id=1,
gas_token_id=12345,
transfer_token_id=1234,
)
evm_tx.sign(key=id1.get_key())
tx = TypedTransaction(SerializedEvmTransaction.from_evm_tx(evm_tx))
self.assertEqual(len(tx.serialize()), TX_MIN_SIZE)
evm_tx = EvmTransaction(
nonce=TT256 - 1,
gasprice=TT256 - 1,
startgas=TT256 - 1,
to=acc1.recipient,
value=TT256 - 1,
data=b"",
from_full_shard_key=SHARD_KEY_MAX,
to_full_shard_key=SHARD_KEY_MAX,
network_id=1,
gas_token_id=TOKEN_ID_MAX,
transfer_token_id=TOKEN_ID_MAX,
)
evm_tx.sign(key=id1.get_key())
tx = TypedTransaction(SerializedEvmTransaction.from_evm_tx(evm_tx))
self.assertEqual(len(tx.serialize()), TX_MAX_SIZE)
