def test_parse(self):
string = '0xcedb5c4e24b1f6fc5b239f2d1049c3229ad5ed05293c696b3740dc236c3f41b4'
uint256 = UInt256.ParseString(string)
self.assertIsInstance(uint256, UInt256)
self.assertEqual(uint256.To0xString(), string)
string = '9410bd44beb7d6febc9278b028158af2781fcfb40cf2c6067b3525d24eff19f6'
uint256 = UInt256.ParseString(string)
self.assertIsInstance(uint256, UInt256)
self.assertEqual(uint256.ToString(), string)
string = '9410bd44beb7d6febc9278b028158af2781fcfb40cf2c6067b3525d24eff19f'
with self.assertRaises(Exception) as context:
uint256 = UInt256.ParseString(string)
def execute(self, arguments):
item = get_arg(arguments)
if item is not None:
if item.lower() == "all":
assets = Blockchain.Default().ShowAllAssets()
assetlist = []
for asset in assets:
state = Blockchain.Default().GetAssetState(asset.decode('utf-8')).ToJson()
asset_dict = {state['name']: state['assetId']}
assetlist.append(asset_dict)
print(json.dumps(assetlist, indent=4))
return assetlist
if item.lower() == 'neo':
assetId = Blockchain.Default().SystemShare().Hash
elif item.lower() == 'gas':
assetId = Blockchain.Default().SystemCoin().Hash
else:
try:
assetId = UInt256.ParseString(item)
except Exception:
print("Could not find asset from args: %s" % arguments)
return
asset = Blockchain.Default().GetAssetState(assetId.ToBytes())
if asset is not None:
print(json.dumps(asset.ToJson(), indent=4))
return asset.ToJson()
else:
print("Asset %s not found" % item)
return
else:
print('Please specify the required parameter')
return
def StaticAssetState(assetId):
neo = AssetState()
neo.AssetId = UInt256.ParseString("0xc56f33fc6ecfcd0c225c4ab356fee59390af8560be0e930faebe74a6daff7c9b")
neo.AssetType = 0x00
gas = AssetState()
gas.AssetId = UInt256.ParseString("0x602c79718b16e442de58778e148d0b1084e3b2dffd5de6b7b16cee7969282de7")
gas.AssetType = 0x01
if assetId == neo.AssetId:
return neo
elif assetId == gas.AssetId:
return gas
else:
return None
def test_interop_get_bad_transaction_height(self):
u256 = UInt256.ParseString(
'e4d2ea5df2adf77df91049beccbb16f98863b93a16439c60381eac1f23bff176')
hash = StackItem.New(u256.Data)
self.engine.EvaluationStack.PushT(hash)
self.state_reader.Blockchain_GetTransactionHeight(self.engine)
height = self.engine.EvaluationStack.Pop().GetBigInteger()
self.assertEqual(height, -1)
def test_interop_get_bad_transaction(self):
u256 = UInt256.ParseString(
'e4d2ea5df2adf77df91049beccbb16f98863b93a16439c60381eac1f23bff176')
hash = StackItem.New(u256.Data)
self.engine.EvaluationStack.PushT(hash)
self.state_reader.Blockchain_GetTransaction(self.engine)
tx = self.engine.EvaluationStack.Pop().GetInterface()
self.assertIsNone(tx)
def test_interop_get_transaction(self):
u256 = UInt256.ParseString(
'8be9660512991d36e016b8ced6fda5d611d26a0f6e2faaaf1f379496edb3395f')
hash = StackItem.New(u256.Data)
self.econtext.EvaluationStack.PushT(hash)
self.engine.InvocationStack.PushT(self.econtext)
self.state_reader.Blockchain_GetTransaction(self.engine)
tx = self.econtext.EvaluationStack.Pop().GetInterface()
self.assertIsInstance(tx, Transaction)
def test_interop_get_bad_transaction_height(self):
u256 = UInt256.ParseString(
'8be9660512991d36e016b8ced6fda5d611d26a0f6e2faaaf1f379496edb33956')
hash = StackItem.New(u256.Data)
self.econtext.EvaluationStack.PushT(hash)
self.engine.InvocationStack.PushT(self.econtext)
self.state_reader.Blockchain_GetTransactionHeight(self.engine)
height = self.econtext.EvaluationStack.Pop().GetBigInteger()
self.assertEqual(height, -1)
def show_tx(self, args):
if len(args):
try:
txid = UInt256.ParseString(get_arg(args))
tx, height = Blockchain.Default().GetTransaction(txid)
if height > -1:
jsn = tx.ToJson()
jsn['height'] = height
jsn['unspents'] = [uns.ToJson(tx.outputs.index(uns)) for uns in Blockchain.Default().GetAllUnspent(txid)]
tokens = [(Token.Command, json.dumps(jsn, indent=4))]
print_tokens(tokens, self.token_style)
print('\n')
except Exception as e:
print("Could not find transaction from args: %s (%s)" % (e, args))
else:
print("Please specify a TX hash")
def get_by_tx(self, request, tx_hash):
request.setHeader('Content-Type', 'application/json')
bc = Blockchain.Default() # type: Blockchain
notifications = []
try:
hash = UInt256.ParseString(tx_hash)
tx, height = bc.GetTransaction(hash)
block_notifications = self.notif.get_by_block(height - 1)
for n in block_notifications:
if n.tx_hash == tx.Hash:
notifications.append(n)
except Exception as e:
logger.info("Could not get tx with hash %s because %s " % (tx_hash, e))
return self.format_message("Could not get tx with hash %s because %s " % (tx_hash, e))
return self.format_notifications(request, notifications)
def json_rpc_method_handler(self, method, params):
if method == "getnodestate":
height = Blockchain.Default().Height
headers = Blockchain.Default().HeaderHeight
diff = height - self.start_height
now = datetime.datetime.utcnow()
difftime = now - self.start_dt
mins = difftime / datetime.timedelta(minutes=1)
secs = mins * 60
bpm = 0
tps = 0
if diff > 0 and mins > 0:
bpm = diff / mins
tps = Blockchain.Default().TXProcessed / secs
return {
'Progress': [height, "/", headers],
'Block-cache length': Blockchain.Default().BlockCacheCount,
'Blocks since program start': diff,
'Time elapsed (minutes)': mins,
'Blocks per min': bpm,
'TPS': tps
}
elif method == "gettxhistory":
if self.wallet:
res = []
for tx in self.wallet.GetTransactions():
json = tx.ToJson()
tx_id = UInt256.ParseString(json['txid'])
txx, height = Blockchain.Default().GetTransaction(tx_id)
header = Blockchain.Default().GetHeaderByHeight(height)
block_index = header.Index
json['block_index'] = block_index
block_timestamp = header.Timestamp
json['blocktime'] = block_timestamp
res.append(json)
return res
else:
raise JsonRpcError(-400, "Access denied.")
return super(ExtendedJsonRpcApi,
self).json_rpc_method_handler(method, params)
def FromJson(json):
"""
Convert a json object to a ContractParameter object
Args:
item (dict): The item to convert to a ContractParameter object
Returns:
ContractParameter
"""
type = ContractParameterType.FromString(json['type'])
value = json['value']
param = ContractParameter(type=type, value=None)
if type == ContractParameterType.Signature or type == ContractParameterType.ByteArray:
param.Value = bytearray.fromhex(value)
elif type == ContractParameterType.Boolean:
param.Value = bool(value)
elif type == ContractParameterType.Integer:
param.Value = int(value)
elif type == ContractParameterType.Hash160:
param.Value = UInt160.ParseString(value)
elif type == ContractParameterType.Hash256:
param.Value = UInt256.ParseString(value)
# @TODO Not sure if this is working...
elif type == ContractParameterType.PublicKey:
param.Value = ECDSA.decode_secp256r1(value).G
elif type == ContractParameterType.String:
param.Value = str(value)
elif type == ContractParameterType.Array:
val = [ContractParameter.FromJson(item) for item in value]
param.Value = val
return param
def execute(self, arguments):
if len(arguments):
try:
txid = UInt256.ParseString(get_arg(arguments))
tx, height = Blockchain.Default().GetTransaction(txid)
if height > -1:
jsn = tx.ToJson()
jsn['height'] = height
jsn['unspents'] = [uns.ToJson(tx.outputs.index(uns)) for uns in
Blockchain.Default().GetAllUnspent(txid)]
print(json.dumps(jsn, indent=4))
return jsn
else:
print(f"Could not find transaction for hash {txid}")
return
except Exception:
print("Could not find transaction from args: %s" % arguments)
return
else:
print("Please specify the required parameter")
return
def transaction(request, tx):
#
# this API returns the details of transaction
# for the given address
#
res = {}
try:
txid = UInt256.ParseString(tx)
tx, height = Blockchain.Default().GetTransaction(txid)
if height > -1:
res = tx.ToJson()
res['height'] = height
res['unspents'] = [
uns.ToJson(tx.outputs.index(uns))
for uns in Blockchain.Default().GetAllUnspent(txid)
]
# tokens = [(Token.Command, json.dumps(jsn, indent=4))]
# print_tokens(tokens, self.token_style)
# print('\n')
except Exception as e:
res["error"] = True
res["message"] = e
logger.error("Could not find transaction from tx: %s (%s)" % (e, tx))
return res
def test_get_unspents(self):
u = UInt256.ParseString(
'f999c36145a41306c846ea80290416143e8e856559818065be3f4e143c60e43a')
unspents = GetBlockchain().GetAllUnspent(u)
self.assertEqual(len(unspents), 1)
def test_get_unspents(self):
u = UInt256.ParseString(
'0ff23561c611ccda65470c9a4a5f1be31f2f4f61b98c75d051e1a72e85a302eb')
unspents = GetBlockchain().GetAllUnspent(u)
self.assertEqual(len(unspents), 1)
def json_rpc_method_handler(self, method, params):
if method == "getaccountstate":
acct = Blockchain.Default().GetAccountState(params[0])
if acct is None:
try:
acct = AccountState(script_hash=Helper.AddrStrToScriptHash(params[0]))
except Exception as e:
raise JsonRpcError(-2146233033, "One of the identified items was in an invalid format.")
return acct.ToJson()
elif method == "getassetstate":
asset_id = UInt256.ParseString(params[0])
asset = Blockchain.Default().GetAssetState(asset_id.ToBytes())
if asset:
return asset.ToJson()
raise JsonRpcError(-100, "Unknown asset")
elif method == "getbestblockhash":
return '0x%s' % Blockchain.Default().CurrentHeaderHash.decode('utf-8')
elif method == "getblock":
# this should work for either str or int
block = Blockchain.Default().GetBlock(params[0])
if not block:
raise JsonRpcError(-100, "Unknown block")
return self.get_block_output(block, params)
elif method == "getblockcount":
return Blockchain.Default().Height + 1
elif method == "getblockhash":
height = params[0]
if height >= 0 and height <= Blockchain.Default().Height:
return '0x%s' % Blockchain.Default().GetBlockHash(height).decode('utf-8')
else:
raise JsonRpcError(-100, "Invalid Height")
elif method == "getblocksysfee":
height = params[0]
if height >= 0 and height <= Blockchain.Default().Height:
return Blockchain.Default().GetSysFeeAmountByHeight(height)
else:
raise JsonRpcError(-100, "Invalid Height")
elif method == "getconnectioncount":
return len(NodeLeader.Instance().Peers)
elif method == "getcontractstate":
script_hash = UInt160.ParseString(params[0])
contract = Blockchain.Default().GetContract(script_hash.ToBytes())
if contract is None:
raise JsonRpcError(-100, "Unknown contract")
return contract.ToJson()
elif method == "getrawmempool":
return list(map(lambda hash: "0x%s" % hash.decode('utf-8'), NodeLeader.Instance().MemPool.keys()))
elif method == "getversion":
return {
"port": self.port,
"nonce": NodeLeader.Instance().NodeId,
"useragent": settings.VERSION_NAME
}
elif method == "getrawtransaction":
tx_id = UInt256.ParseString(params[0])
tx, height = Blockchain.Default().GetTransaction(tx_id)
if not tx:
raise JsonRpcError(-100, "Unknown Transaction")
return self.get_tx_output(tx, height, params)
elif method == "getstorage":
script_hash = UInt160.ParseString(params[0])
key = binascii.unhexlify(params[1].encode('utf-8'))
storage_key = StorageKey(script_hash=script_hash, key=key)
storage_item = Blockchain.Default().GetStorageItem(storage_key)
if storage_item:
return storage_item.Value.hex()
return None
elif method == "gettxout":
hash = params[0].encode('utf-8')
index = params[1]
utxo = Blockchain.Default().GetUnspent(hash, index)
if utxo:
return utxo.ToJson(index)
else:
return None
elif method == "invoke":
shash = UInt160.ParseString(params[0])
contract_parameters = [ContractParameter.FromJson(p) for p in params[1]]
sb = ScriptBuilder()
sb.EmitAppCallWithJsonArgs(shash, contract_parameters)
return self.get_invoke_result(sb.ToArray())
elif method == "invokefunction":
contract_parameters = []
if len(params) > 2:
contract_parameters = [ContractParameter.FromJson(p).ToVM() for p in params[2]]
sb = ScriptBuilder()
sb.EmitAppCallWithOperationAndArgs(UInt160.ParseString(params[0]), params[1], contract_parameters)
return self.get_invoke_result(sb.ToArray())
elif method == "invokescript":
script = params[0].encode('utf-8')
return self.get_invoke_result(script)
elif method == "sendrawtransaction":
tx_script = binascii.unhexlify(params[0].encode('utf-8'))
transaction = Transaction.DeserializeFromBufer(tx_script)
result = NodeLeader.Instance().Relay(transaction)
return result
elif method == "mw_construct_send_tx":
return MyWishMethods.construct_send_tx(self.wallet, params)
elif method == "mw_construct_deploy_tx":
return MyWishMethods.construct_deploy_tx(self.wallet, params)
elif method == "mw_construct_invoke_tx":
return MyWishMethods.construct_invoke_tx(self.wallet, params)
elif method == "getapplicationlog":
assert(all([x in '1234567890abcdefABCDEFxX' for x in params[0]])) # prevent traversal
try:
with open('/home/neo/neo-python/notis/' + params[0]) as f:
res = [json.loads(x) for x in f.read().split('\n') if x]
return [{'name': x['notify_type'], 'contract': x['contract'], 'args': x['payload']} for x in res]
except FileNotFoundError:
return ([])
elif method == "submitblock":
raise NotImplementedError()
elif method == "validateaddress":
return self.validateaddress(params)
elif method == "getpeers":
return self.get_peers()
raise JsonRpcError.methodNotFound()
def json_rpc_method_handler(self, method, params):
if method == "getaccountstate":
acct = Blockchain.Default().GetAccountState(params[0])
if acct is None:
try:
acct = AccountState(
script_hash=Helper.AddrStrToScriptHash(params[0]))
except Exception as e:
raise JsonRpcError(
-2146233033,
"One of the identified items was in an invalid format."
)
return acct.ToJson()
elif method == "getassetstate":
asset_id = UInt256.ParseString(params[0])
asset = Blockchain.Default().GetAssetState(asset_id.ToBytes())
if asset:
return asset.ToJson()
raise JsonRpcError(-100, "Unknown asset")
elif method == "getbestblockhash":
return '0x%s' % Blockchain.Default().CurrentHeaderHash.decode(
'utf-8')
elif method == "getblock":
# this should work for either str or int
block = Blockchain.Default().GetBlock(params[0])
if not block:
raise JsonRpcError(-100, "Unknown block")
return self.get_block_output(block, params)
elif method == "getblockcount":
return Blockchain.Default().Height + 1
elif method == "getblockhash":
height = params[0]
if height >= 0 and height <= Blockchain.Default().Height:
return '0x%s' % Blockchain.Default().GetBlockHash(
height).decode('utf-8')
else:
raise JsonRpcError(-100, "Invalid Height")
elif method == "getblocksysfee":
height = params[0]
if height >= 0 and height <= Blockchain.Default().Height:
return Blockchain.Default().GetSysFeeAmountByHeight(height)
else:
raise JsonRpcError(-100, "Invalid Height")
elif method == "getconnectioncount":
return len(NodeLeader.Instance().Peers)
elif method == "getcontractstate":
script_hash = UInt160.ParseString(params[0])
contract = Blockchain.Default().GetContract(script_hash.ToBytes())
if contract is None:
raise JsonRpcError(-100, "Unknown contract")
return contract.ToJson()
elif method == "getrawmempool":
return list(
map(lambda hash: "0x%s" % hash.decode('utf-8'),
NodeLeader.Instance().MemPool.keys()))
elif method == "getversion":
return {
"port": self.port,
"nonce": NodeLeader.Instance().NodeId,
"useragent": settings.VERSION_NAME
}
elif method == "getrawtransaction":
tx_id = UInt256.ParseString(params[0])
tx, height = Blockchain.Default().GetTransaction(tx_id)
if not tx:
raise JsonRpcError(-100, "Unknown Transaction")
return self.get_tx_output(tx, height, params)
elif method == "getstorage":
script_hash = UInt160.ParseString(params[0])
key = binascii.unhexlify(params[1].encode('utf-8'))
storage_key = StorageKey(script_hash=script_hash, key=key)
storage_item = Blockchain.Default().GetStorageItem(storage_key)
if storage_item:
return storage_item.Value.hex()
return None
elif method == "gettxout":
hash = params[0].encode('utf-8')
index = params[1]
utxo = Blockchain.Default().GetUnspent(hash, index)
if utxo:
return utxo.ToJson(index)
else:
return None
elif method == "invoke":
shash = UInt160.ParseString(params[0])
contract_parameters = [
ContractParameter.FromJson(p) for p in params[1]
]
sb = ScriptBuilder()
sb.EmitAppCallWithJsonArgs(shash, contract_parameters)
return self.get_invoke_result(sb.ToArray())
elif method == "invokefunction":
contract_parameters = []
if len(params) > 2:
contract_parameters = [
ContractParameter.FromJson(p).ToVM() for p in params[2]
]
sb = ScriptBuilder()
sb.EmitAppCallWithOperationAndArgs(UInt160.ParseString(params[0]),
params[1], contract_parameters)
return self.get_invoke_result(sb.ToArray())
elif method == "invokescript":
script = params[0].encode('utf-8')
return self.get_invoke_result(script)
elif method == "sendrawtransaction":
tx_script = binascii.unhexlify(params[0].encode('utf-8'))
transaction = Transaction.DeserializeFromBufer(tx_script)
result = NodeLeader.Instance().Relay(transaction)
return result
elif method == "validateaddress":
return self.validateaddress(params)
elif method == "getpeers":
return self.get_peers()
elif method == "getbalance":
if self.wallet:
return self.get_balance(params)
else:
raise JsonRpcError(-400, "Access denied.")
elif method == "getwalletheight":
if self.wallet:
return self.wallet.WalletHeight
else:
raise JsonRpcError(-400, "Access denied.")
elif method == "listaddress":
if self.wallet:
return self.list_address()
else:
raise JsonRpcError(-400, "Access denied.")
elif method == "getnewaddress":
if self.wallet:
keys = self.wallet.CreateKey()
account = Account.get(
PublicKeyHash=keys.PublicKeyHash.ToBytes())
return account.contract_set[0].Address.ToString()
else:
raise JsonRpcError(-400, "Access denied.")
raise JsonRpcError.methodNotFound()
def json_rpc_method_handler(self, method, params):
if method == "getaccountstate":
acct = Blockchain.Default().GetAccountState(params[0])
if acct is None:
try:
acct = AccountState(script_hash=Helper.AddrStrToScriptHash(params[0]))
except Exception as e:
raise JsonRpcError(-2146233033, "One of the identified items was in an invalid format.")
return acct.ToJson()
elif method == "getassetstate":
asset_id = UInt256.ParseString(params[0])
asset = Blockchain.Default().GetAssetState(asset_id.ToBytes())
if asset:
return asset.ToJson()
raise JsonRpcError(-100, "Unknown asset")
elif method == "getbestblockhash":
return '0x%s' % Blockchain.Default().CurrentHeaderHash.decode('utf-8')
elif method == "getblock":
# this should work for either str or int
block = Blockchain.Default().GetBlock(params[0])
if not block:
raise JsonRpcError(-100, "Unknown block")
return self.get_block_output(block, params)
elif method == "getblockcount":
return Blockchain.Default().Height + 1
elif method == "getblockhash":
height = params[0]
if height >= 0 and height <= Blockchain.Default().Height:
return '0x%s' % Blockchain.Default().GetBlockHash(height).decode('utf-8')
else:
raise JsonRpcError(-100, "Invalid Height")
elif method == "getblocksysfee":
height = params[0]
if height >= 0 and height <= Blockchain.Default().Height:
return Blockchain.Default().GetSysFeeAmountByHeight(height)
else:
raise JsonRpcError(-100, "Invalid Height")
elif method == "getconnectioncount":
return len(NodeLeader.Instance().Peers)
elif method == "getcontractstate":
script_hash = UInt160.ParseString(params[0])
contract = Blockchain.Default().GetContract(script_hash.ToBytes())
if contract is None:
raise JsonRpcError(-100, "Unknown contract")
return contract.ToJson()
elif method == "getrawmempool":
return list(map(lambda hash: "0x%s" % hash.decode('utf-8'), NodeLeader.Instance().MemPool.keys()))
elif method == "getversion":
return {
"port": self.port,
"nonce": NodeLeader.Instance().NodeId,
"useragent": settings.VERSION_NAME
}
elif method == "getrawtransaction":
tx_id = UInt256.ParseString(params[0])
tx, height = Blockchain.Default().GetTransaction(tx_id)
if not tx:
raise JsonRpcError(-100, "Unknown Transaction")
return self.get_tx_output(tx, height, params)
elif method == "getLastBlog":
if len(params) > 0:
height = params[0]
else:
height = Blockchain.Default().Height + 1
data = self.get_blog_content(height, "")
return data;
elif method == "getLastBlogByTag":
if len(params) > 1:
height = params[1]
tag = params[0]
elif len(params) > 0:
tag = params[0]
height = Blockchain.Default().Height + 1
else:
raise JsonRpcError(-100, "no enough param")
data = self.get_blog_content(height, tag)
return data;
elif method == "getLastBlogBySender":
if len(params) > 1:
height = params[1]
sender = params[0]
elif len(params) > 0:
sender = params[0]
height = Blockchain.Default().Height + 1
else:
raise JsonRpcError(-100, "no enough param")
data = self.get_blog_content(height, "", sender)
return data;
elif method == "getBlogContent":
tx_id = UInt256.ParseString(params[0])
tx, height = Blockchain.Default().GetTransaction(tx_id)
if not tx:
raise JsonRpcError(-100, "Unknown Transaction")
for attr in tx.Attributes:
item = attr.ToJson;
if item['usage'] == 240:
item['content'] = binascii.a2b_hex(item['data']).decode("utf8")
return item;
raise JsonRpcError(-100, "no blog content")
elif method == "getstorage":
script_hash = UInt160.ParseString(params[0])
key = binascii.unhexlify(params[1].encode('utf-8'))
storage_key = StorageKey(script_hash=script_hash, key=key)
storage_item = Blockchain.Default().GetStorageItem(storage_key)
if storage_item:
return storage_item.Value.hex()
return None
elif method == "gettxout":
hash = params[0].encode('utf-8')
index = params[1]
utxo = Blockchain.Default().GetUnspent(hash, index)
if utxo:
return utxo.ToJson(index)
else:
return None
elif method == "gettxout":
hash = params[0].encode('utf-8')
index = params[1]
utxo = Blockchain.Default().GetUnspent(hash, index)
if utxo:
return utxo.ToJson(index)
else:
return None
elif method == "createAddress":
private_key = bytes(Random.get_random_bytes(32))
key = KeyPair(priv_key=private_key)
self.wallet._keys[key.PublicKeyHash.ToBytes()] = key
self.wallet.OnCreateAccount(key)
contract = WalletContract.CreateSignatureContract(key.PublicKey)
self.wallet.AddContract(contract)
if key :
result = {'privateKey': key.Export(),'address':contract.Address}
return result;
else:
return None
elif method == "invoke":
shash = UInt160.ParseString(params[0])
contract_parameters = [ContractParameter.FromJson(p) for p in params[1]]
sb = ScriptBuilder()
sb.EmitAppCallWithJsonArgs(shash, contract_parameters)
return self.get_invoke_result(sb.ToArray())
# elif method == "sendBlog":
# shash = UInt160.ParseString(params[0])
# contract_parameters = [ContractParameter.FromJson(p) for p in params[1]]
# sb = ScriptBuilder()
# sb.EmitAppCallWithJsonArgs(shash, contract_parameters)
# script = sb.ToArray();
# tx = ContractTransaction()
# tx.inputs = []
# tx.outputs = []
# attribute = TransactionAttribute(240, params[2].encode('utf-8'))
# standard_contract = self.wallet.GetStandardAddress()
# data = standard_contract.Data
# tx.Attributes = [TransactionAttribute(usage=TransactionAttributeUsage.Script,
# data=data)]
#
# tx.Attributes.append(attribute)
# tx.Version = 1
# tx.scripts = []
# BC = GetBlockchain()
# contract = BC.GetContract(params[0])
# output = TransactionOutput(AssetId=Blockchain.SystemShare().Hash,
# Value=Fixed8.FromDecimal(float(1)),
# script_hash=contract.Code.ScriptHash(),
# )
# tx.outputs.append(output)
# logger.info("output %s" % output.ToJson(0))
# tx.Script = binascii.unhexlify(script)
# print("percentage %s %s" % (self.wallet.WalletHeight, Blockchain.Default().Height))
# scripthash_from = None
# if not self.wallet.IsSynced:
# raise JsonRpcError.invalidRequest("wallet not synced")
# private_key = None
# if len(params) > 3:
# from_address = params[3]
# if from_address is not None:
# scripthash_from = lookup_addr_str(self.wallet, from_address)
# if len(params) > 4:
# private_key = params[4]
# wallet_tx = SendBlog(self.wallet, tx, from_addr=scripthash_from, privatekey=private_key)
# if wallet_tx != False:
# return wallet_tx.ToJson();
# self.wallet.Rebuild()
# raise JsonRpcError.invalidRequest("Field 'no enough asset")
elif method == 'postblog':
try:
if len(params) > 3:
from_address = params[3]
assetId =Blockchain.SystemShare().Hash
if len(params) > 4:
private_key = params[4]
if assetId is None:
print("Asset id not found")
return False
contract_parameters = [ContractParameter.FromJson(p) for p in params[1]]
sb = ScriptBuilder()
sb.EmitAppCallWithJsonArgs(UInt160.ParseString(params[0]), contract_parameters)
script = sb.ToArray();
scripthash_from = None
if from_address is not None:
scripthash_from = lookup_addr_str(self.wallet, from_address)
# f8amount = Fixed8.TryParse(0, require_positive=True)
# if f8amount is None:
# print("invalid amount format")
# return False
#
# if type(assetId) is UInt256 and f8amount.value % pow(10, 8 - Blockchain.Default().GetAssetState(
# assetId.ToBytes()).Precision) != 0:
# print("incorrect amount precision")
# return False
#
fee = Fixed8.Zero()
#
# output = TransactionOutput(AssetId=assetId, Value=f8amount, script_hash=contract.Code.ScriptHash())
tx = InvocationTransaction()
ttx = self.wallet.MakeTransaction(tx=tx,
change_address=None,
fee=fee,
from_addr=scripthash_from)
if ttx is None:
print("insufficient funds")
return False
standard_contract = self.wallet.GetStandardAddress()
if scripthash_from is not None:
signer_contract = self.wallet.GetContract(scripthash_from)
else:
signer_contract = self.wallet.GetContract(standard_contract)
if not signer_contract.IsMultiSigContract:
data = scripthash_from.Data
print(data)
tx.Attributes = [TransactionAttribute(usage=TransactionAttributeUsage.Script,
data=data),TransactionAttribute(usage=TransactionAttributeUsage.Remark1,
data=from_address.encode('utf-8'))]
# insert any additional user specified tx attributes
tx.Attributes.append(TransactionAttribute(240, params[2].encode('utf-8')))
tx.Script = binascii.unhexlify(script)
context = ContractParametersContext(tx, isMultiSig=signer_contract.IsMultiSigContract)
if private_key is not None:
prikey = KeyPair.PrivateKeyFromWIF(private_key)
kp = KeyPair(prikey)
self.wallet.Sign(context,kp)
attributes = [attr.ToJson() for attr in tx.Attributes]
print("attributes %s" %attributes)
if context.Completed:
tx.scripts = context.GetScripts()
# print("will send tx: %s " % json.dumps(tx.ToJson(),indent=4))
relayed = NodeLeader.Instance().Relay(tx)
if relayed:
self.wallet.SaveTransaction(tx)
print("Relayed Tx: %s " % tx.Hash.ToString())
return tx.ToJson()
else:
print("Could not relay tx %s " % tx.Hash.ToString())
else:
print("Transaction initiated, but the signature is incomplete")
print(json.dumps(context.ToJson(), separators=(',', ':')))
return False
except Exception as e:
print("could not send: %s " % e)
return False
elif method == "invokefunction":
contract_parameters = []
if len(params) > 2:
contract_parameters = [ContractParameter.FromJson(p).ToVM() for p in params[2]]
sb = ScriptBuilder()
sb.EmitAppCallWithOperationAndArgs(UInt160.ParseString(params[0]), params[1], contract_parameters)
return self.get_invoke_result(sb.ToArray())
elif method == "invokescript":
script = params[0].encode('utf-8')
return self.get_invoke_result(script)
elif method == "sendrawtransaction":
tx_script = binascii.unhexlify(params[0].encode('utf-8'))
transaction = Transaction.DeserializeFromBufer(tx_script)
result = NodeLeader.Instance().Relay(transaction)
return result
elif method == "submitblock":
raise NotImplementedError()
elif method == "validateaddress":
return self.validateaddress(params)
elif method == "getpeers":
raise NotImplementedError()
raise JsonRpcError.methodNotFound()