def TestInvokeContract(wallet, args, withdrawal_tx=None, from_addr=None, min_fee=DEFAULT_MIN_FEE, invoke_attrs=None, owners=None): BC = GetBlockchain() contract = BC.GetContract(args[0]) if contract: # params = args[1:] if len(args) > 1 else [] params, neo_to_attach, gas_to_attach = PromptUtils.get_asset_attachments(params) params, parse_addresses = PromptUtils.get_parse_addresses(params) params.reverse() if '--i' in params: params = [] for index, iarg in enumerate(contract.Code.ParameterList): param, abort = PromptUtils.gather_param(index, iarg) if abort: return None, None, None, None, False params.append(param) params.reverse() sb = ScriptBuilder() for p in params: process_params(sb, p, wallet, parse_addresses) sb.EmitAppCall(contract.Code.ScriptHash().Data) out = sb.ToArray() outputs = [] if neo_to_attach: output = TransactionOutput(AssetId=Blockchain.SystemShare().Hash, Value=neo_to_attach, script_hash=contract.Code.ScriptHash(), ) outputs.append(output) if gas_to_attach: output = TransactionOutput(AssetId=Blockchain.SystemCoin().Hash, Value=gas_to_attach, script_hash=contract.Code.ScriptHash()) outputs.append(output) return test_invoke(out, wallet, outputs, withdrawal_tx, from_addr, min_fee, invoke_attrs=invoke_attrs, owners=owners) else: print("Contract %s not found" % args[0]) return None, None, None, None, False
def TestInvokeContract(wallet, args): BC = GetBlockchain() contract = BC.GetContract(args[0]) if contract: descripe_contract(contract) verbose = False if 'verbose' in args: verbose = True args.remove('verbose') print("VERBOSE %s " % verbose) params = args[1:] if len(args) > 1 else [] if len(params) > 0 and params[0] == 'describe': return params.reverse() sb = ScriptBuilder() for p in params: item = parse_param(p) sb.push(item) sb.EmitAppCall(contract.Code.ScriptHash().Data) out = sb.ToArray() return test_invoke(out, wallet) else: print("Contract %s not found" % args[0]) return None, None
def construct_invoke_tx(wallet, params): params = params[0] from_addr = params['from_addr'] BC = GetBlockchain() contract = BC.GetContract(params['addr']) if not contract: raise Exception('no such contract') neo_to_attach = params.get('neo_to_attach', 0) gas_to_attach = params.get('gas_to_attach', 0) sb = ScriptBuilder() contract_parameters = [ContractParameter.FromJson(p) for p in params['contract_params']] sb.EmitAppCallWithJsonArgs(contract.Code.ScriptHash(), contract_parameters) invoke_script = sb.ToArray() outputs = [] if neo_to_attach: output = TransactionOutput(AssetId=Blockchain.SystemShare().Hash, Value=neo_to_attach, script_hash=contract.Code.ScriptHash(), ) outputs.append(output) if gas_to_attach: output = TransactionOutput(AssetId=Blockchain.SystemCoin().Hash, Value=gas_to_attach, script_hash=contract.Code.ScriptHash(), ) outputs.append(output) bc = GetBlockchain() sn = bc._db.snapshot() accounts = DBCollection(bc._db, DBPrefix.ST_Account, AccountState) assets = DBCollection(bc._db, DBPrefix.ST_Asset, AssetState) validators = DBCollection(bc._db, DBPrefix.ST_Validator, ValidatorState) contracts = DBCollection(bc._db, DBPrefix.ST_Contract, ContractState) storages = DBCollection(bc._db, DBPrefix.ST_Storage, StorageItem) tx = InvocationTransaction() tx.outputs = outputs tx.inputs = [] tx.Version = 1 tx.scripts = [] tx.Script = binascii.unhexlify(invoke_script) script_table = CachedScriptTable(contracts) service = StateMachine(accounts, validators, assets, contracts, storages, None) contract = wallet.GetDefaultContract() tx.Attributes = [TransactionAttribute(usage=TransactionAttributeUsage.Script, data=Crypto.ToScriptHash(contract.Script, unhex=False).Data)] tx = wallet.MakeTransaction(tx=tx) engine = ApplicationEngine( trigger_type=TriggerType.Application, container=tx, table=script_table, service=service, gas=tx.Gas, testMode=True ) engine.LoadScript(tx.Script, False) success = engine.Execute() if not success: raise Exception('exec failed') service.ExecutionCompleted(engine, success) consumed = engine.GasConsumed() - Fixed8.FromDecimal(10) consumed = consumed.Ceil() net_fee = None tx_gas = None if consumed <= Fixed8.Zero(): net_fee = Fixed8.FromDecimal(.0001) tx_gas = Fixed8.Zero() else: tx_gas = consumed net_fee = Fixed8.Zero() tx.Gas = tx_gas tx.outputs = outputs tx.Attributes = [] # InvokeContract from_addr = lookup_addr_str(wallet, from_addr) tx = wallet.MakeTransaction(tx=tx, fee=net_fee, use_standard=True, from_addr=from_addr) if tx is None: raise Exception("no gas") context = ContractParametersContext(tx) ms = StreamManager.GetStream() writer = BinaryWriter(ms) tx.Serialize(writer) ms.flush() binary_tx = ms.ToArray() return {'context': context.ToJson(), 'tx': binary_tx.decode()}
def TestInvokeContract(wallet, args, withdrawal_tx=None, parse_params=True, from_addr=None, min_fee=DEFAULT_MIN_FEE): BC = GetBlockchain() contract = BC.GetContract(args[0]) if contract: verbose = False if 'verbose' in args: descripe_contract(contract) verbose = True args.remove('verbose') # params = args[1:] if len(args) > 1 else [] if len(params) > 0 and params[0] == 'describe': return params, neo_to_attach, gas_to_attach = get_asset_attachments(params) params.reverse() sb = ScriptBuilder() for p in params: if parse_params: item = parse_param(p, wallet) else: item = p if type(item) is list: item.reverse() listlength = len(item) for listitem in item: sb.push(listitem) sb.push(listlength) sb.Emit(PACK) else: sb.push(item) sb.EmitAppCall(contract.Code.ScriptHash().Data) out = sb.ToArray() outputs = [] if neo_to_attach: output = TransactionOutput( AssetId=Blockchain.SystemShare().Hash, Value=neo_to_attach, script_hash=contract.Code.ScriptHash(), ) outputs.append(output) if gas_to_attach: output = TransactionOutput(AssetId=Blockchain.SystemCoin().Hash, Value=gas_to_attach, script_hash=contract.Code.ScriptHash()) outputs.append(output) return test_invoke(out, wallet, outputs, withdrawal_tx, from_addr, min_fee) else: print("Contract %s not found" % args[0]) return None, None, None, None
def TestInvokeContract(wallet, args, withdrawal_tx=None, parse_params=True, from_addr=None, min_fee=DEFAULT_MIN_FEE, invoke_attrs=None, owners=None): BC = GetBlockchain() contract = BC.GetContract(args[0]) if contract: # params = args[1:] if len(args) > 1 else [] params, neo_to_attach, gas_to_attach = get_asset_attachments(params) params, parse_addresses = get_parse_addresses(params) params.reverse() if '--i' in params: params = [] for index, iarg in enumerate(contract.Code.ParameterList): param, abort = gather_param(index, iarg) if abort: return None, None, None, None params.append(param) params.reverse() sb = ScriptBuilder() for p in params: if parse_params: item = parse_param(p, wallet, parse_addr=parse_addresses) else: item = p if type(item) is list: item.reverse() listlength = len(item) for listitem in item: subitem = parse_param(listitem, wallet, parse_addr=parse_addresses) if type(subitem) is list: subitem.reverse() for listitem2 in subitem: subsub = parse_param(listitem2, wallet, parse_addr=parse_addresses) sb.push(subsub) sb.push(len(subitem)) sb.Emit(PACK) else: sb.push(subitem) sb.push(listlength) sb.Emit(PACK) else: sb.push(item) sb.EmitAppCall(contract.Code.ScriptHash().Data) out = sb.ToArray() outputs = [] if neo_to_attach: output = TransactionOutput( AssetId=Blockchain.SystemShare().Hash, Value=neo_to_attach, script_hash=contract.Code.ScriptHash(), ) outputs.append(output) if gas_to_attach: output = TransactionOutput(AssetId=Blockchain.SystemCoin().Hash, Value=gas_to_attach, script_hash=contract.Code.ScriptHash()) outputs.append(output) return test_invoke(out, wallet, outputs, withdrawal_tx, from_addr, min_fee, invoke_attrs=invoke_attrs, owners=owners) else: print("Contract %s not found" % args[0]) return None, None, None, None