def test_tx(with_block_height=1,
signers: List[types.UInt160] = None) -> payloads.Transaction:
if signers is None:
new_signers = [
payloads.Signer(
types.UInt160.from_string(
"f782c7fbb2eef6afe629b96c0d53fb525eda64ce"),
payloads.WitnessScope.GLOBAL)
]
else:
new_signers = list(
map(lambda v: payloads.Signer(v, payloads.WitnessScope.GLOBAL),
signers))
tx = payloads.Transaction(version=0,
nonce=123,
system_fee=456,
network_fee=789,
valid_until_block=with_block_height + 1,
attributes=[],
signers=new_signers,
script=b'\x01',
witnesses=[])
tx.block_height = with_block_height
return tx
def signer_auto_checker(signer: Union[str, UInt160, Hash160Str,
payloads.Signer],
scope: payloads.WitnessScope) -> payloads.Signer:
type_signer = type(signer)
if type_signer is str and len(signer) == 40:
return payloads.Signer(types.UInt160.from_string(signer), scope)
elif type_signer is payloads.Signer:
return signer
elif type_signer is UInt160:
return payloads.Signer(signer, scope)
elif type_signer is Hash160Str:
return payloads.Signer(signer.to_UInt160(), scope)
else:
raise ValueError(
f'Unable to handle signer {signer} with type {type_signer}')
def test_assign_and_get_role(self):
engine = test_engine(has_snapshot=True, has_container=True)
# set signers list to our committee to pass check_committee() validation
engine.script_container.signers = [
payloads.Signer(
types.UInt160.from_string(
"54166e586e86b9d653bf96f61e6568df7a8ecb50"),
payloads.WitnessScope.GLOBAL)
]
public_key1 = cryptography.KeyPair(b'\x01' * 32).public_key
public_key2 = cryptography.KeyPair(b'\x02' * 32).public_key
public_key3 = cryptography.KeyPair(b'\x03' * 32).public_key
c = contracts.DesignationContract()
c.designate_as_role(engine, contracts.DesignateRole.STATE_VALIDATOR,
[public_key1, public_key2])
c.designate_as_role(engine, contracts.DesignateRole.ORACLE,
[public_key3])
index = engine.snapshot.persisting_block.index + 1
state_nodes = c.get_designated_by_role(
engine.snapshot, contracts.DesignateRole.STATE_VALIDATOR, index)
self.assertEqual(2, len(state_nodes))
self.assertIn(public_key1, state_nodes)
self.assertIn(public_key2, state_nodes)
oracle_nodes = c.get_designated_by_role(engine.snapshot,
contracts.DesignateRole.ORACLE,
index)
self.assertEqual(1, len(oracle_nodes))
self.assertEqual(public_key3, oracle_nodes[0])
def add_as_sender(self, tx: payloads.Transaction):
"""
Add the account as sender of the transaction.
Args:
tx: the transaction to modify
"""
tx.signers.insert(
0, payloads.Signer(self.script_hash, payloads.WitnessScope.GLOBAL))
def test_tx(with_block_height=1) -> payloads.Transaction:
tx = payloads.Transaction(
version=0,
nonce=123,
system_fee=456,
network_fee=789,
valid_until_block=1,
attributes=[],
signers=[
payloads.Signer(
types.UInt160.from_string(
"f782c7fbb2eef6afe629b96c0d53fb525eda64ce"))
],
script=b'\x01',
witnesses=[])
tx.block_height = with_block_height
return tx
def test_ripemd160_null(self):
"""
var tx = new Neo.Network.P2P.Payloads.Transaction
{
Version = 0,
Nonce = 0,
SystemFee = 0,
NetworkFee = 0,
ValidUntilBlock = 99999,
Attributes = new TransactionAttribute[0],
Script = new byte[0],
Signers = new Signer[] { new Signer { Account = UInt160.Zero, Scopes = WitnessScope.FeeOnly}}
};
using var script = new ScriptBuilder();
script.EmitSysCall(ApplicationEngine.Neo_Crypto_RIPEMD160); // Syscall
var engine = ApplicationEngine.Create(TriggerType.Application, tx, null, 100_000_000, false);
engine.LoadScript(script.ToArray());
engine.Push(StackItem.Null);
Assert.AreEqual(engine.Execute(), VMState.HALT);
Assert.AreEqual(1, engine.ResultStack.Count);
var item = engine.ResultStack.Pop<ByteString>();
Console.WriteLine($"{item.GetSpan().ToHexString()}");
"""
# we have to set the network magic number, because that is serialized as part of the "get_hash_data()" call
settings.network.magic = 0x4F454E
sb = vm.ScriptBuilder()
sb.emit_syscall(syscall_name_to_int("Neo.Crypto.RIPEMD160"))
engine = test_engine(has_container=True)
engine.script_container.signers = [
payloads.Signer(types.UInt160.zero())
]
script = vm.Script(sb.to_array())
engine.load_script(script)
engine.push(vm.NullStackItem())
engine.execute()
self.assertEqual(vm.VMState.HALT, engine.state)
self.assertEqual(1, len(engine.result_stack))
# captured from C#
expected = '0892b2402eb78d878a4c60fc799d879b672a5aa5'
self.assertEqual(expected, str(engine.result_stack.pop()))
def _create_genesis_block() -> payloads.Block:
script = vm.ScriptBuilder().emit_syscall(
contracts.syscall_name_to_int("Neo.Native.Deploy")).to_array()
b = payloads.Block(
version=0,
prev_hash=types.UInt256.zero(),
timestamp=int(
datetime(2016, 7, 15, 15, 8, 21, 0, timezone.utc).timestamp() *
1000),
index=0,
next_consensus=Blockchain.get_consensus_address(
settings.standby_validators),
witness=payloads.Witness(
invocation_script=b'',
verification_script=b'\x11' # (OpCode.PUSH1)
),
consensus_data=payloads.ConsensusData(primary_index=0,
nonce=2083236893),
transactions=[
payloads.Transaction(
version=0,
script=script,
system_fee=0,
network_fee=0,
nonce=0,
valid_until_block=0,
signers=[
payloads.Signer(account=to_script_hash(b'\x11'),
scope=payloads.WitnessScope.FEE_ONLY)
],
witnesses=[
payloads.Witness(invocation_script=b'',
verification_script=b'\x11')
])
])
return b