def token_history(wallet, db, args):
if len(args) < 1:
print("Please provide the token symbol of the token you wish consult")
return False
if not db:
print("Unable to fetch history, notification database not enabled")
return False
token = get_asset_id(wallet, args[0])
if not isinstance(token, NEP5Token):
print("The given symbol does not represent a loaded NEP5 token")
return False
events = db.get_by_contract(token.ScriptHash)
addresses = wallet.Addresses
print("-----------------------------------------------------------")
print("Recent transaction history (last = more recent):")
for event in events:
if event.Type != 'transfer':
continue
if event.AddressFrom in addresses:
print(
f"[{event.AddressFrom}]: Sent {string_from_amount(token, event.Amount)}"
f" {args[0]} to {event.AddressTo}")
if event.AddressTo in addresses:
print(
f"[{event.AddressTo}]: Received {string_from_amount(token, event.Amount)}"
f" {args[0]} from {event.AddressFrom}")
print("-----------------------------------------------------------")
return True
def token_mint(wallet, args, prompt_passwd=True):
token = get_asset_id(wallet, args[0])
mint_to_addr = args[1]
if len(args) < 3:
raise Exception("please specify assets to attach")
asset_attachments = args[2:]
tx, fee, results = token.Mint(wallet, mint_to_addr, asset_attachments)
if results[0] is not None:
print("\n-----------------------------------------------------------")
print("[%s] Will mint tokens to address: %s " % (token.symbol, mint_to_addr))
print("Fee: %s " % (fee.value / Fixed8.D))
print("-------------------------------------------------------------\n")
if prompt_passwd:
passwd = prompt("[Password]> ", is_password=True)
if not wallet.ValidatePassword(passwd):
print("incorrect password")
return
return InvokeWithTokenVerificationScript(wallet, tx, token, fee)
else:
print("Could not register addresses: %s " % str(results[0]))
return False
def parse_send_many_params(self, params):
if type(params[0]) is not list:
raise JsonRpcError(-32602, "Invalid params")
if len(params) not in [1, 2, 3]:
raise JsonRpcError(-32602, "Invalid params")
output = []
for info in params[0]:
asset = get_asset_id(self.wallet, info['asset'])
if not type(asset) is UInt256:
raise JsonRpcError(-32602, "Invalid params")
address = info["address"]
try:
address = self.wallet.ToScriptHash(address)
except Exception:
raise JsonRpcError(-32602, "Invalid params")
amount = Fixed8.TryParse(info["value"], require_positive=True)
if not amount or float(info["value"]) == 0:
raise JsonRpcError(-32602, "Invalid params")
tx_output = TransactionOutput(AssetId=asset,
Value=amount,
script_hash=address)
output.append(tx_output)
contract_tx = ContractTransaction(outputs=output)
fee = Fixed8.TryParse(params[1]) if len(params) >= 2 else Fixed8.Zero()
if fee < Fixed8.Zero():
raise JsonRpcError(-32602, "Invalid params")
change_addr_sh = None
if len(params) >= 3:
change_addr = params[2]
try:
change_addr_sh = self.wallet.ToScriptHash(change_addr)
except Exception:
raise JsonRpcError(-32602, "Invalid params")
return contract_tx, fee, change_addr_sh
def token_crowdsale_register(wallet, args, prompt_passwd=True):
token = get_asset_id(wallet, args[0])
args, from_addr = get_from_addr(args)
if len(args) < 2:
raise Exception("Specify addr to register for crowdsale")
register_addr = args[1:]
tx, fee, results = token.CrowdsaleRegister(wallet, register_addr)
if results[0].GetBigInteger() > 0:
print("\n-----------------------------------------------------------")
print("[%s] Will register addresses for crowdsale: %s " % (token.symbol, register_addr))
print("Fee: %s " % (fee.value / Fixed8.D))
print("-------------------------------------------------------------\n")
if prompt_passwd:
passwd = prompt("[Password]> ", is_password=True)
if not wallet.ValidatePassword(passwd):
print("incorrect password")
return
return InvokeContract(wallet, tx, fee, from_addr)
else:
print("Could not register addresses: %s " % str(results[0]))
return False
def token_mint(wallet, args, prompt_passwd=True):
token = get_asset_id(wallet, args[0])
mint_to_addr = args[1]
if len(args) < 3:
raise Exception("please specify assets to attach")
asset_attachments = args[2:]
tx, fee, results = token.Mint(wallet, mint_to_addr, asset_attachments)
if results[0] is not None:
print("\n-----------------------------------------------------------")
print("[%s] Will mint tokens to address: %s " % (token.symbol, mint_to_addr))
print("Fee: %s " % (fee.value / Fixed8.D))
print("-------------------------------------------------------------\n")
if prompt_passwd:
passwd = prompt("[Password]> ", is_password=True)
if not wallet.ValidatePassword(passwd):
print("incorrect password")
return
return InvokeWithTokenVerificationScript(wallet, tx, token, fee)
else:
print("Could not register addresses: %s " % str(results[0]))
return False
def token_approve_allowance(wallet, args, prompt_passwd=True):
if len(args) != 4:
print("please provide a token symbol, from address, to address, and amount")
return False
token = get_asset_id(wallet, args[0])
approve_from = args[1]
approve_to = args[2]
amount = amount_from_string(token, args[3])
tx, fee, results = token.Approve(wallet, approve_from, approve_to, amount)
if tx is not None and results is not None and len(results) > 0:
if results[0].GetBigInteger() == 1:
print("\n-----------------------------------------------------------")
print("Approve allowance of %s %s from %s to %s" % (string_from_amount(token, amount), token.symbol, approve_from, approve_to))
print("Transfer fee: %s " % (fee.value / Fixed8.D))
print("-------------------------------------------------------------\n")
if prompt_passwd:
passwd = prompt("[Password]> ", is_password=True)
if not wallet.ValidatePassword(passwd):
print("incorrect password")
return
return InvokeContract(wallet, tx, fee)
print("could not transfer tokens")
return False
def token_approve_allowance(wallet, args, prompt_passwd=True):
if len(args) != 4:
print("please provide a token symbol, from address, to address, and amount")
return False
token = get_asset_id(wallet, args[0])
approve_from = args[1]
approve_to = args[2]
amount = amount_from_string(token, args[3])
tx, fee, results = token.Approve(wallet, approve_from, approve_to, amount)
if tx is not None and results is not None and len(results) > 0:
if results[0].GetBigInteger() == 1:
print("\n-----------------------------------------------------------")
print("Approve allowance of %s %s from %s to %s" % (string_from_amount(token, amount), token.symbol, approve_from, approve_to))
print("Transfer fee: %s " % (fee.value / Fixed8.D))
print("-------------------------------------------------------------\n")
if prompt_passwd:
passwd = prompt("[Password]> ", is_password=True)
if not wallet.ValidatePassword(passwd):
print("incorrect password")
return
return InvokeContract(wallet, tx, fee)
print("could not transfer tokens")
return False
def ShowUnspentCoins(wallet, args):
addr = None
asset_type = None
watch_only = 0
try:
for item in args:
if len(item) == 34:
addr = wallet.ToScriptHash(item)
elif len(item) > 1:
asset_type = get_asset_id(wallet, item)
if item == '--watch':
watch_only = 64
except Exception as e:
print("Invalid arguments specified")
if asset_type:
unspents = wallet.FindUnspentCoinsByAsset(asset_type, from_addr=addr, watch_only_val=watch_only)
else:
unspents = wallet.FindUnspentCoins(from_addr=addr, watch_only_val=watch_only)
for unspent in unspents:
print('\n-----------------------------------------------')
print(json.dumps(unspent.ToJson(), indent=4))
print(unspent.RefToBytes())
def parse_send_from_params(self, params):
if len(params) not in [4, 5, 6]:
raise JsonRpcError(-32602, "Invalid params")
asset_id = get_asset_id(self.wallet, params[0])
if not type(asset_id) is UInt256:
raise JsonRpcError(-32602, "Invalid params")
address_from = params[1]
try:
address_from_sh = self.wallet.ToScriptHash(address_from)
except Exception:
raise JsonRpcError(-32602, "Invalid params")
address_to = params[2]
try:
address_to_sh = self.wallet.ToScriptHash(address_to)
except Exception:
raise JsonRpcError(-32602, "Invalid params")
amount = Fixed8.TryParse(params[3], require_positive=True)
if not amount or float(params[3]) == 0:
raise JsonRpcError(-32602, "Invalid params")
output = TransactionOutput(AssetId=asset_id,
Value=amount,
script_hash=address_to_sh)
contract_tx = ContractTransaction(outputs=[output])
fee = Fixed8.TryParse(params[4]) if len(params) >= 5 else Fixed8.Zero()
if fee < Fixed8.Zero():
raise JsonRpcError(-32602, "Invalid params")
change_addr_sh = None
if len(params) >= 6:
change_addr = params[5]
try:
change_addr_sh = self.wallet.ToScriptHash(change_addr)
except Exception:
raise JsonRpcError(-32602, "Invalid params")
return contract_tx, address_from_sh, fee, change_addr_sh
def token_crowdsale_register(wallet, args, prompt_passwd=True):
token = get_asset_id(wallet, args[0])
args, from_addr = get_from_addr(args)
if len(args) < 2:
raise Exception("Specify addr to register for crowdsale")
register_addr = args[1:]
tx, fee, results = token.CrowdsaleRegister(wallet, register_addr)
if results[0].GetBigInteger() > 0:
print("\n-----------------------------------------------------------")
print("[%s] Will register addresses for crowdsale: %s " % (token.symbol, register_addr))
print("Fee: %s " % (fee.value / Fixed8.D))
print("-------------------------------------------------------------\n")
if prompt_passwd:
passwd = prompt("[Password]> ", is_password=True)
if not wallet.ValidatePassword(passwd):
print("incorrect password")
return
return InvokeContract(wallet, tx, fee, from_addr)
else:
print("Could not register addresses: %s " % str(results[0]))
return False
def ShowUnspentCoins(wallet, args):
addr = None
asset_type = None
watch_only = 0
try:
for item in args:
if len(item) == 34:
addr = wallet.ToScriptHash(item)
elif len(item) > 1:
asset_type = get_asset_id(wallet, item)
if item == '--watch':
watch_only = 64
except Exception as e:
print("Invalid arguments specified")
if asset_type:
unspents = wallet.FindUnspentCoinsByAsset(asset_type,
from_addr=addr,
watch_only_val=watch_only)
else:
unspents = wallet.FindUnspentCoins(from_addr=addr,
watch_only_val=watch_only)
for unspent in unspents:
print('\n-----------------------------------------------')
print(json.dumps(unspent.ToJson(), indent=4))
print(unspent.RefToBytes())
def SplitUnspentCoin(wallet, args, prompt_passwd=True):
"""
example ``wallet split Ab8RGQEWetkhVqXjPHeGN9LJdbhaFLyUXz neo 1 100``
this would split the second unspent neo vin into 100 vouts
:param wallet:
:param args (list): A list of arguments as [Address, asset type, unspent index, divisions]
:return: bool
"""
try:
addr = wallet.ToScriptHash(args[0])
asset = get_asset_id(wallet, args[1])
index = int(args[2])
divisions = int(args[3])
except Exception as e:
logger.info("Invalid arguments specified: %s " % e)
return None
try:
unspentItem = wallet.FindUnspentCoinsByAsset(asset,
from_addr=addr)[index]
except Exception as e:
logger.info(
"Could not find unspent item for asset with index %s %s : %s" %
(asset, index, e))
return None
outputs = split_to_vouts(asset, addr, unspentItem.Output.Value, divisions)
contract_tx = ContractTransaction(outputs=outputs,
inputs=[unspentItem.Reference])
ctx = ContractParametersContext(contract_tx)
wallet.Sign(ctx)
print("Splitting: %s " % json.dumps(contract_tx.ToJson(), indent=4))
if prompt_passwd:
passwd = prompt("[Password]> ", is_password=True)
if not wallet.ValidatePassword(passwd):
print("incorrect password")
return None
if ctx.Completed:
contract_tx.scripts = ctx.GetScripts()
relayed = NodeLeader.Instance().Relay(contract_tx)
if relayed:
wallet.SaveTransaction(contract_tx)
print("Relayed Tx: %s " % contract_tx.Hash.ToString())
return contract_tx
else:
print("Could not relay tx %s " % contract_tx.Hash.ToString())
return None
def construct_send_basic(wallet, arguments):
if not wallet:
print("please open a wallet")
return False
if len(arguments) < 3:
print("Not enough arguments")
return False
arguments, from_address = get_from_addr(arguments)
arguments, priority_fee = get_fee(arguments)
arguments, user_tx_attributes = get_tx_attr_from_args(arguments)
arguments, owners = get_owners_from_params(arguments)
to_send = get_arg(arguments)
address_to = get_arg(arguments, 1)
amount = get_arg(arguments, 2)
assetId = get_asset_id(wallet, to_send)
if assetId is None:
print("Asset id not found")
return False
scripthash_to = lookup_addr_str(wallet, address_to)
if scripthash_to is None:
logger.debug("invalid address")
return False
scripthash_from = None
if from_address is not None:
scripthash_from = lookup_addr_str(wallet, from_address)
if scripthash_from is None:
logger.debug("invalid address")
return False
# if this is a token, we will use a different
# transfer mechanism
if type(assetId) is NEP5Token:
return do_token_transfer(assetId, wallet, from_address, address_to, amount_from_string(assetId, amount), tx_attributes=user_tx_attributes)
f8amount = get_asset_amount(amount, assetId)
if f8amount is False:
logger.debug("invalid amount")
return False
if float(amount) == 0:
print("amount cannot be 0")
return False
fee = Fixed8.Zero()
if priority_fee is not None:
fee = priority_fee
if fee is False:
logger.debug("invalid fee")
return False
output = TransactionOutput(AssetId=assetId, Value=f8amount, script_hash=scripthash_to)
contract_tx = ContractTransaction(outputs=[output])
return [contract_tx, scripthash_from, fee, owners, user_tx_attributes]
def token_send(wallet, args, prompt_passwd=True):
if len(args) != 4:
print("please provide a token symbol, from address, to address, and amount")
return False
token = get_asset_id(wallet, args[0])
send_from = args[1]
send_to = args[2]
amount = amount_from_string(token, args[3])
return do_token_transfer(token, wallet, send_from, send_to, amount, prompt_passwd=prompt_passwd)
def Approve_Allowance(self):
wallet = self.GetWallet1(recreate=True)
approve_from = self.wallet_1_addr
approve_to = self.watch_addr_str
tokens = self.get_token(wallet)
token = get_asset_id(wallet, tokens.symbol)
amount = amount_from_string(token, "123")
tx, fee, results = token.Approve(wallet, approve_from, approve_to,
amount)
return tx, fee, results
def construct_contract_withdrawal_request(wallet,
arguments,
fee=Fixed8.FromDecimal(.001),
check_holds=False):
if len(arguments) < 4:
print("not enough arguments")
return False
# AG5xbb6QqHSUgDw8cHdyU73R1xy4qD7WEE neo AdMDZGto3xWozB1HSjjVv27RL3zUM8LzpV 20
from_address = get_arg(arguments, 0)
to_send = get_arg(arguments, 1)
to_address = get_arg(arguments, 2)
amount = get_arg(arguments, 3)
assetId = get_asset_id(wallet, to_send)
f8amount = get_asset_amount(amount, assetId)
scripthash_to = wallet.ToScriptHash(to_address)
scripthash_from = wallet.ToScriptHash(from_address)
withdraw_from_watch_only = get_withdraw_from_watch_only(
wallet, scripthash_from)
if f8amount is None or scripthash_to is None or withdraw_from_watch_only is None:
print("Could not process to or from addr or amount")
return False
output = TransactionOutput(AssetId=assetId,
Value=f8amount,
script_hash=scripthash_to)
withdraw_tx = InvocationTransaction(outputs=[output])
exclude_vin = None
if check_holds:
exclude_vin = lookup_contract_holds(wallet, scripthash_from)
withdraw_constructed_tx = wallet.MakeTransaction(
tx=withdraw_tx,
change_address=scripthash_from,
fee=fee,
from_addr=scripthash_from,
use_standard=False,
watch_only_val=withdraw_from_watch_only,
exclude_vin=exclude_vin)
if withdraw_constructed_tx is not None:
return withdraw_constructed_tx
def token_send_from(wallet, args, prompt_passwd=True):
if len(args) != 4:
print(
"please provide a token symbol, from address, to address, and amount"
)
return False
token = get_asset_id(wallet, args[0])
send_from = args[1]
send_to = args[2]
amount = amount_from_string(token, args[3])
allowance = token_get_allowance(wallet, args[:-1], verbose=False)
if allowance and allowance >= amount:
tx, fee, results = token.TransferFrom(wallet, send_from, send_to,
amount)
if tx is not None and results is not None and len(results) > 0:
if results[0].GetBigInteger() == 1:
if prompt_passwd:
print(
"\n-----------------------------------------------------------"
)
print("Transfer of %s %s from %s to %s" %
(string_from_amount(token, amount), token.symbol,
send_from, send_to))
print("Transfer fee: %s " % (fee.value / Fixed8.D))
print(
"-------------------------------------------------------------\n"
)
passwd = prompt("[Password]> ", is_password=True)
if not wallet.ValidatePassword(passwd):
print("incorrect password")
return False
return InvokeContract(wallet, tx, fee)
print("Requestest transfer from is greater than allowance")
return False
def get_balance(self, params):
if len(params) != 1:
raise JsonRpcError(-400, "Params should contain 1 id.")
asset_id = get_asset_id(self.wallet, params[0])
result = {}
if type(asset_id) is UInt256:
total = Fixed8(0)
for c in self.wallet.GetCoins():
if c.Output.AssetId == asset_id and c.State & CoinState.WatchOnly == 0:
total += c.Output.Value
result['Balance'] = str(total)
result["Confirmed"] = str(self.wallet.GetBalance(asset_id).value / Fixed8.D)
else:
result["Balance"] = str(self.wallet.GetBalance(asset_id))
return result
def token_get_allowance(wallet, args, verbose=False):
if len(args) != 3:
print("please provide a token symbol, from address, to address")
return
token = get_asset_id(wallet, args[0])
allowance_from = args[1]
allowance_to = args[2]
tx, fee, results = token.Allowance(wallet, allowance_from, allowance_to)
if tx is not None and results is not None and len(results) > 0:
allowance = results[0].GetBigInteger()
if verbose:
print("%s allowance for %s from %s : %s " % (token.symbol, allowance_to, allowance_from, allowance))
return allowance
else:
if verbose:
print("Could not get allowance for token %s " % token.symbol)
return 0
def token_send_from(wallet, args, prompt_passwd=True):
if len(args) != 4:
print("please provide a token symbol, from address, to address, and amount")
return False
token = get_asset_id(wallet, args[0])
send_from = args[1]
send_to = args[2]
amount = amount_from_string(token, args[3])
allowance = token_get_allowance(wallet, args[:-1], verbose=False)
if allowance and allowance >= amount:
tx, fee, results = token.TransferFrom(wallet, send_from, send_to, amount)
if tx is not None and results is not None and len(results) > 0:
if results[0].GetBigInteger() == 1:
if prompt_passwd:
print("\n-----------------------------------------------------------")
print("Transfer of %s %s from %s to %s" % (
string_from_amount(token, amount), token.symbol, send_from, send_to))
print("Transfer fee: %s " % (fee.value / Fixed8.D))
print("-------------------------------------------------------------\n")
passwd = prompt("[Password]> ", is_password=True)
if not wallet.ValidatePassword(passwd):
print("incorrect password")
return False
return InvokeContract(wallet, tx, fee)
print("Requested transfer from is greater than allowance")
return False
def ShowUnspentCoins(wallet, args):
addr = None
asset_type = None
watch_only = 0
do_count = False
try:
for item in args:
if len(item) == 34:
addr = wallet.ToScriptHash(item)
elif len(item) > 1:
asset_type = get_asset_id(wallet, item)
if item == '--watch':
watch_only = 64
elif item == '--count':
do_count = True
except Exception as e:
print("Invalid arguments specified")
if asset_type:
unspents = wallet.FindUnspentCoinsByAsset(asset_type,
from_addr=addr,
watch_only_val=watch_only)
else:
unspents = wallet.FindUnspentCoins(from_addr=addr,
watch_only_val=watch_only)
if do_count:
print('\n-----------------------------------------------')
print('Total Unspent: %s' % len(unspents))
return unspents
for unspent in unspents:
print('\n-----------------------------------------------')
print(json.dumps(unspent.ToJson(), indent=4))
return unspents
def parse_send_params(self, params):
if len(params) not in [3, 4]:
raise JsonRpcError(-32602, "Invalid params")
asset_id = get_asset_id(self.wallet, params[0])
if not type(asset_id) is UInt256:
raise JsonRpcError(-32602, "Invalid params")
address_to = params[1]
try:
address_to_sh = self.wallet.ToScriptHash(address_to)
except Exception:
raise JsonRpcError(-32602, "Invalid params")
amount = Fixed8.TryParse(params[2], require_positive=True)
if not amount or float(params[2]) == 0:
raise JsonRpcError(-32602, "Invalid params")
fee = Fixed8.TryParse(params[3]) if len(params) == 4 else Fixed8.Zero()
if fee < Fixed8.Zero():
raise JsonRpcError(-32602, "Invalid params")
return asset_id, address_to_sh, amount, fee
def construct_withdrawal_tx(wallet, args):
from_address = get_arg(args, 0)
assetId = get_asset_id(wallet, get_arg(args, 1))
to_address = get_arg(args, 2)
f8amount = get_asset_amount(get_arg(args, 3), assetId)
scripthash_to = wallet.ToScriptHash(to_address)
scripthash_from = wallet.ToScriptHash(from_address)
withdraw_from_watch_only = get_withdraw_from_watch_only(
wallet, scripthash_from)
if f8amount is None or scripthash_to is None or withdraw_from_watch_only is None:
print("Could not process to or from addr or amount")
return False
requested_vins = get_contract_holds_for_address(wallet, scripthash_from,
scripthash_to)
use_vins_for_asset = [requested_vins, assetId]
output = TransactionOutput(AssetId=assetId,
Value=f8amount,
script_hash=scripthash_to)
withdraw_tx = InvocationTransaction(outputs=[output])
withdraw_constructed_tx = wallet.MakeTransaction(
tx=withdraw_tx,
change_address=scripthash_from,
fee=Fixed8.FromDecimal(.001),
from_addr=scripthash_from,
use_standard=False,
watch_only_val=withdraw_from_watch_only,
use_vins_for_asset=use_vins_for_asset)
if withdraw_constructed_tx is not None:
return withdraw_constructed_tx
def construct_send_many(wallet, arguments):
if not wallet:
print("please open a wallet")
return False
if len(arguments) is 0:
print("Not enough arguments")
return False
outgoing = get_arg(arguments, convert_to_int=True)
if outgoing is None:
print("invalid outgoing number")
return False
if outgoing < 1:
print("outgoing number must be >= 1")
return False
arguments, from_address = get_from_addr(arguments)
arguments, change_address = get_change_addr(arguments)
arguments, priority_fee = get_fee(arguments)
arguments, owners = get_owners_from_params(arguments)
arguments, user_tx_attributes = get_tx_attr_from_args(arguments)
output = []
for i in range(outgoing):
print('Outgoing Number ', i + 1)
to_send = prompt("Asset to send: ")
assetId = get_asset_id(wallet, to_send)
if assetId is None:
print("Asset id not found")
return False
if type(assetId) is NEP5Token:
print('Sendmany does not support NEP5 tokens')
return False
address_to = prompt("Address to: ")
scripthash_to = lookup_addr_str(wallet, address_to)
if scripthash_to is None:
logger.debug("invalid address")
return False
amount = prompt("Amount to send: ")
f8amount = get_asset_amount(amount, assetId)
if f8amount is False:
logger.debug("invalid amount")
return False
if float(amount) == 0:
print("amount cannot be 0")
return False
tx_output = TransactionOutput(AssetId=assetId,
Value=f8amount,
script_hash=scripthash_to)
output.append(tx_output)
contract_tx = ContractTransaction(outputs=output)
scripthash_from = None
if from_address is not None:
scripthash_from = lookup_addr_str(wallet, from_address)
if scripthash_from is None:
logger.debug("invalid address")
return False
scripthash_change = None
if change_address is not None:
scripthash_change = lookup_addr_str(wallet, change_address)
if scripthash_change is None:
logger.debug("invalid address")
return False
fee = Fixed8.Zero()
if priority_fee is not None:
fee = priority_fee
if fee is False:
logger.debug("invalid fee")
return False
print("sending with fee: %s " % fee.ToString())
return [
contract_tx, scripthash_from, scripthash_change, fee, owners,
user_tx_attributes
]
def RequestWithdrawFrom(wallet, asset_id, contract_hash, to_addr, amount, require_password=True):
asset_type = asset_id.lower()
if asset_type not in ['neo', 'gas']:
raise Exception('please specify neo or gas to withdraw')
readable_addr = to_addr
asset_id = get_asset_id(wallet, asset_type)
contract = Blockchain.Default().GetContract(contract_hash)
shash = contract.Code.ScriptHash()
contract_addr = Crypto.ToAddress(shash)
to_addr = parse_param(to_addr, wallet)
amount = get_asset_amount(amount, asset_id)
if shash not in wallet._watch_only:
print("Add withdrawal contract address to your watch only: import watch_addr %s " % contract_addr)
return False
if amount < Fixed8.Zero():
print("Cannot withdraw negative amount")
return False
unspents = wallet.FindUnspentCoinsByAssetAndTotal(
asset_id=asset_id, amount=amount, from_addr=shash, use_standard=False, watch_only_val=64, reverse=True
)
if not unspents or len(unspents) == 0:
print("no eligible withdrawal vins")
return False
balance = GetWithdrawalBalance(wallet, shash, to_addr, asset_type)
balance_fixed8 = Fixed8(balance)
orig_amount = amount
if amount <= balance_fixed8:
sb = ScriptBuilder()
for uns in unspents:
if amount > Fixed8.Zero():
to_spend = amount
if to_spend > uns.Output.Value:
to_spend = uns.Output.Value
amount_bytes = bytearray(to_spend.value.to_bytes(8, 'little'))
data = to_addr + amount_bytes
data = data + uns.RefToBytes()
sb.EmitAppCallWithOperationAndData(shash, 'withdraw_%s' % asset_type, data)
amount -= uns.Output.Value
tx, fee, results, num_ops = test_invoke(sb.ToArray(), wallet, [])
for item in results:
if not item.GetBoolean():
print("Error performitng withdrawals")
return False
if require_password:
print("\n---------------------------------------------------------------")
print("Will make withdrawal request for %s %s from %s to %s " % (orig_amount.ToString(), asset_type, contract_addr, readable_addr))
print("FEE IS %s " % fee.ToString())
print("GAS IS %s " % tx.Gas.ToString())
print("------------------------------------------------------------------\n")
print("Enter your password to complete this request")
passwd = prompt("[Password]> ", is_password=True)
if not wallet.ValidatePassword(passwd):
print("incorrect password")
return
result = InvokeContract(wallet, tx, fee)
return result
else:
print("insufficient balance")
return False
def construct_and_send(prompter, wallet, arguments, prompt_password=True):
try:
if not wallet:
print("please open a wallet")
return False
if len(arguments) < 3:
print("Not enough arguments")
return False
arguments, from_address = get_from_addr(arguments)
arguments, user_tx_attributes = get_tx_attr_from_args(arguments)
to_send = get_arg(arguments)
address_to = get_arg(arguments, 1)
amount = get_arg(arguments, 2)
assetId = get_asset_id(wallet, to_send)
if assetId is None:
print("Asset id not found")
return False
scripthash_to = lookup_addr_str(wallet, address_to)
if scripthash_to is None:
print("invalid address")
return False
scripthash_from = None
if from_address is not None:
scripthash_from = lookup_addr_str(wallet, from_address)
# if this is a token, we will use a different
# transfer mechanism
if type(assetId) is NEP5Token:
return do_token_transfer(assetId, wallet, from_address, address_to, amount_from_string(assetId, amount), prompt_passwd=prompt_password)
f8amount = Fixed8.TryParse(amount, 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=scripthash_to)
tx = ContractTransaction(outputs=[output])
ttx = wallet.MakeTransaction(tx=tx,
change_address=None,
fee=fee,
from_addr=scripthash_from)
if ttx is None:
print("insufficient funds")
return False
if prompt_password:
passwd = prompt("[Password]> ", is_password=True)
if not wallet.ValidatePassword(passwd):
print("incorrect password")
return False
standard_contract = wallet.GetStandardAddress()
if scripthash_from is not None:
signer_contract = wallet.GetContract(scripthash_from)
else:
signer_contract = wallet.GetContract(standard_contract)
if not signer_contract.IsMultiSigContract:
data = standard_contract.Data
tx.Attributes = [TransactionAttribute(usage=TransactionAttributeUsage.Script,
data=data)]
# insert any additional user specified tx attributes
tx.Attributes = tx.Attributes + user_tx_attributes
context = ContractParametersContext(tx, isMultiSig=signer_contract.IsMultiSigContract)
wallet.Sign(context)
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:
wallet.SaveTransaction(tx)
print("Relayed Tx: %s " % tx.Hash.ToString())
return tx
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)
traceback.print_stack()
traceback.print_exc()
return False
def construct_send_tx(wallet, arguments):
from_address = arguments['from']
to_send = arguments['asset']
address_to = arguments['to']
amount = arguments['amount']
user_tx_attributes = arguments.get('attrs', [])
assetId = get_asset_id(wallet, to_send)
if assetId is None:
raise Exception("Asset id not found")
scripthash_to = lookup_addr_str(wallet, address_to)
if scripthash_to is None:
raise Exception("invalid address")
scripthash_from = None
if from_address is not None:
scripthash_from = lookup_addr_str(wallet, from_address)
if type(assetId) is NEP5Token:
raise Exception("cannot transfer token in this version")
f8amount = Fixed8.TryParse(amount, require_positive=True)
if f8amount is None:
raise Exception("invalid amount format")
if type(assetId) is UInt256 and f8amount.value % pow(10, 8 - Blockchain.Default().GetAssetState(assetId.ToBytes()).Precision) != 0:
raise Exception("incorrect amount precision")
fee = Fixed8.Zero()
output = TransactionOutput(AssetId=assetId, Value=f8amount, script_hash=scripthash_to)
tx = ContractTransaction(outputs=[output])
ttx = wallet.MakeTransaction(tx=tx,
fee=fee,
from_addr=scripthash_from)
if ttx is None:
raise Exception("no funds")
standard_contract = wallet.GetStandardAddress()
if scripthash_from is not None:
signer_contract = wallet.GetContract(scripthash_from)
else:
signer_contract = wallet.GetContract(standard_contract)
if not signer_contract.IsMultiSigContract:
data = standard_contract.Data
tx.Attributes = [TransactionAttribute(usage=TransactionAttributeUsage.Script,
data=data)]
# insert any additional user specified tx attributes
tx.Attributes = tx.Attributes + user_tx_attributes
context = ContractParametersContext(tx, isMultiSig=signer_contract.IsMultiSigContract)
logger.info(context.ToJson())
logger.info('*'*60)
logger.info(tx.ToJson())
# import pdb
# pdb.set_trace()
ms = StreamManager.GetStream()
writer = BinaryWriter(ms)
tx.Serialize(writer)
ms.flush()
binary_tx = ms.ToArray()
print(tx)
return {'context': context.ToJson(), 'tx': binary_tx.decode()}
def construct_and_send(prompter, wallet, arguments, prompt_password=True):
try:
if not wallet:
print("please open a wallet")
return False
if len(arguments) < 3:
print("Not enough arguments")
return False
arguments, from_address = get_from_addr(arguments)
arguments, user_tx_attributes = get_tx_attr_from_args(arguments)
arguments, owners = get_owners_from_params(arguments)
arguments, priority_fee = get_fee(arguments)
to_send = get_arg(arguments)
address_to = get_arg(arguments, 1)
amount = get_arg(arguments, 2)
assetId = get_asset_id(wallet, to_send)
if assetId is None:
print("Asset id not found")
return False
scripthash_to = lookup_addr_str(wallet, address_to)
if scripthash_to is None:
print("invalid address")
return False
scripthash_from = None
if from_address is not None:
scripthash_from = lookup_addr_str(wallet, from_address)
# if this is a token, we will use a different
# transfer mechanism
if type(assetId) is NEP5Token:
return do_token_transfer(assetId, wallet, from_address, address_to, amount_from_string(assetId, amount), prompt_passwd=prompt_password, tx_attributes=user_tx_attributes)
f8amount = Fixed8.TryParse(amount, 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()
if priority_fee is not None:
fee = priority_fee
print("sending with fee: %s " % fee.ToString())
output = TransactionOutput(AssetId=assetId, Value=f8amount, script_hash=scripthash_to)
tx = ContractTransaction(outputs=[output])
ttx = wallet.MakeTransaction(tx=tx,
change_address=None,
fee=fee,
from_addr=scripthash_from)
if ttx is None:
print("insufficient funds")
return False
if prompt_password:
passwd = prompt("[Password]> ", is_password=True)
if not wallet.ValidatePassword(passwd):
print("incorrect password")
return False
standard_contract = wallet.GetStandardAddress()
if scripthash_from is not None:
signer_contract = wallet.GetContract(scripthash_from)
else:
signer_contract = wallet.GetContract(standard_contract)
if not signer_contract.IsMultiSigContract and owners is None:
data = standard_contract.Data
tx.Attributes = [TransactionAttribute(usage=TransactionAttributeUsage.Script,
data=data)]
# insert any additional user specified tx attributes
tx.Attributes = tx.Attributes + user_tx_attributes
if owners:
owners = list(owners)
for owner in owners:
tx.Attributes.append(
TransactionAttribute(usage=TransactionAttributeUsage.Script, data=owner))
context = ContractParametersContext(tx, isMultiSig=signer_contract.IsMultiSigContract)
wallet.Sign(context)
if owners:
owners = list(owners)
gather_signatures(context, tx, owners)
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:
wallet.SaveTransaction(tx)
print("Relayed Tx: %s " % tx.Hash.ToString())
return tx
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)
traceback.print_stack()
traceback.print_exc()
return False
def construct_send_many(wallet, arguments):
if len(arguments) is 0:
print("Please specify the required parameter")
return
outgoing = get_arg(arguments, convert_to_int=True)
if outgoing is None:
print("Invalid outgoing number")
return
if outgoing < 1:
print("Outgoing number must be >= 1")
return
arguments, from_address = get_from_addr(arguments)
arguments, change_address = get_change_addr(arguments)
arguments, priority_fee = get_fee(arguments)
arguments, owners = get_owners_from_params(arguments)
arguments, user_tx_attributes = get_tx_attr_from_args(arguments)
output = []
for i in range(outgoing):
try:
print('Outgoing Number ', i + 1)
to_send = prompt("Asset to send: ")
assetId = get_asset_id(wallet, to_send)
if assetId is None:
print("Asset id not found")
return
if type(assetId) is NEP5Token:
print('sendmany does not support NEP5 tokens')
return
address_to = prompt("Address to: ")
scripthash_to = lookup_addr_str(wallet, address_to)
if scripthash_to is None:
logger.debug("invalid destination address")
return
amount = prompt("Amount to send: ")
f8amount = get_asset_amount(amount, assetId)
if f8amount is False:
logger.debug("invalid amount")
return
if float(amount) == 0:
print("Amount cannot be 0")
return
tx_output = TransactionOutput(AssetId=assetId,
Value=f8amount,
script_hash=scripthash_to)
output.append(tx_output)
except KeyboardInterrupt:
print('Transaction cancelled')
return
contract_tx = ContractTransaction(outputs=output)
scripthash_from = None
if from_address is not None:
scripthash_from = lookup_addr_str(wallet, from_address)
if scripthash_from is None:
logger.debug("invalid source address")
return
scripthash_change = None
if change_address is not None:
scripthash_change = lookup_addr_str(wallet, change_address)
if scripthash_change is None:
logger.debug("invalid change address")
return
fee = Fixed8.Zero()
if priority_fee is not None:
fee = priority_fee
if fee is False:
logger.debug("invalid fee")
return
print(f"Sending with fee: {fee.ToString()}")
return [
contract_tx, scripthash_from, scripthash_change, fee, owners,
user_tx_attributes
]
