def create_transaction(cls, text):
builder = Builder(secret=cls.key)
# use this to use local node e.g with docker instead of public node
# builder = Builder(secret=cls.key, horizon_uri="http://localhost:8000/")
builder.append_payment_op(cls.address, '100', 'XLM')
builder.add_text_memo(text) # string length <= 28 bytes
return builder
def bounty_dispatcher(document, amount):
"""
Dispatch amount specified to the destination address
:param document: Desetination address
:param amount: Amount of nwc to dispatch
:return: response object
"""
for line in document:
builder = Builder(secret=REAL_SEED, network='public')
builder.add_text_memo(
"NWC bounty reward amount: {}".format(amount)).append_payment_op(
destination=line,
amount=amount,
asset_code='NWC',
asset_issuer=ISSUER)
builder.sign()
response = builder.submit()
print(response)
with open("bounty.log", "a+") as log:
log.write("\n")
log.write(datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
log.write("\n")
log.write("=============================================")
log.write("\n")
log.write(json.dumps(response))
log.write("\n")
return response
def burn_tokens(address):
"""
Burn the recent payments to the address for the percent specified in the BURN_RATE constant
:param address: address to burn the tokens on
:return: response object
"""
# get recent payments
address_obj = Address(address=address)
payments = address_obj.payments()
asset_sum = 0
for payment in payments:
asset_sum += payment
burn_sum = asset_sum * BURN_RATE
# send the BURN % of tokens to the issuer ultimately taking them out of circulation
builder = Builder(secret=REAL_SEED, network='public')
builder.add_text_memo(
"NWC daily burn: {}".format(burn_sum)).append_payment_op(
destination=ISSUER,
amount=burn_sum,
asset_code='NWC',
asset_issuer=ISSUER)
builder.sign()
response = builder.submit()
return response
def submit_operations(account_seed, operations, transaction_memo):
"""
This method signs the given operations and submits them to the Stellar network
:param str account_seed: Seed of the account submitting the operations. It is required to sign the transactions.
:param Operation operations: Operations to be submitted.
:param str transaction_memo: Text memo to be included in Stellar transaction. Maximum size of 28 bytes.
:return: Returns a string containing the server response or None if the transaction could not be submitted.
:rtype: str or None
"""
try:
builder = Builder(secret=account_seed)
except Exception:
# Too broad exception because no specific exception is being thrown by the stellar_base package.
# TODO: This should be fixed in future versions
print("An error occurred (Please check your Internet connection)")
return None
builder.add_text_memo(transaction_memo)
for operation in operations:
builder.append_op(operation)
builder.sign()
try:
return builder.submit()
except Exception:
# Too broad exception because no specific exception is being thrown by the stellar_base package.
# TODO: This should be fixed in future versions
print("An error occurred (Please check your Internet connection)")
return None
def send_asset(text):
# send 10 EURT antb123*papayame.com or send 1 XLM PUBKEY memo text
if CONF['private_key'] == '':
print(
'no private key setup - pls type set to set key or c to create wallet'
)
return
val = text.split()
memo_type = 'text'
if len(val) < 3:
print(
'invalid syntax please use send amount asset receiver e.g. s 10 EURT antb123*papayame.com'
)
return
amount, asset, address = val[1], val[2].upper(), val[3]
if '*' in address:
res = fed(address.split('*')[1], address)
sendto = res['account_id']
memo = res['memo']
memo_type = res['memo_type']
else:
sendto = address
memo = ''
# override memo, type if given
if len(val) == 6:
memo = val[4]
memo_type = val[5]
if len(val) == 5:
memo = val[4]
memo_type = 'text'
print_formatted_text(
HTML("""Are you sure you want to send
<ansiyellow>%s</ansiyellow>
<ansired>%s %s</ansired>
with memo of <ansiblue>%s</ansiblue> (y/n)
""" % (sendto, asset, amount, memo)))
text = session.prompt(u'> ', default='y')
if text != 'y': return
ret, asset_issuer = get_balance_issuer(amount, asset)
if ret: return
retsan = send_sanity(sendto, memo_type, asset)
if not retsan: return
send = Builder(CONF['private_key'], network=CONF['network'])
if asset != 'XLM':
send.append_payment_op(sendto, amount, asset, asset_issuer)
else:
send.append_payment_op(sendto, amount)
if memo != '' and memo_type == 'text':
send.add_text_memo(memo)
if memo != '' and memo_type == 'id':
send.add_id_memo(memo)
if CONF['multisig'] != '':
print(
'You have 2of2 multisig - send this data to the other key to sign when you get it back type signsend data'
)
print(send.gen_xdr())
return
send.sign()
send.submit()
def send_payment(request,amount,currency,sender,account):
builder = Builder(secret=sender)
builder.append_payment_op(account,amount,currency)
builder.add_text_memo("first payment")
builder.sign()
s = builder.submit()
print(s['_links'])
return HttpResponse("send successfully plz check user transaction here")
def trust_asset(setup, secret_key, memo_text=None):
"""A helper to establish a trustline"""
builder = Builder(secret=secret_key,
horizon_uri=setup.horizon_endpoint_uri,
network=setup.network)
builder.append_trust_op(setup.test_asset.issuer, setup.test_asset.code)
if memo_text:
builder.add_text_memo(memo_text[:28]) # max memo length is 28
builder.sign()
reply = builder.submit()
return reply.get('hash')
def create_signed_tx(private_key,
to_address,
amount,
network='PUBLIC',
memo=None):
amount = round(amount, 7)
builder = Builder(secret=private_key, network=network)
builder.append_payment_op(to_address, amount, 'XLM')
if memo:
builder.add_text_memo(memo)
builder.sign()
return builder.gen_xdr().decode()
def send_asset(cls, setup, secret_key, address, amount, memo_text=None):
"""A helper to send asset"""
builder = Builder(secret=secret_key,
horizon_uri=setup.horizon_endpoint_uri,
network=setup.network)
builder.append_payment_op(address, amount, setup.test_asset.code,
setup.test_asset.issuer)
if memo_text:
builder.add_text_memo(memo_text[:28]) # max memo length is 28
builder.sign()
reply = builder.submit()
return reply.get('hash')
def pay(message, amount, secret, address):
sender_secret = secret
receiver_address = address
builder = Builder(secret=sender_secret,
horizon_uri=None,
network='TESTNET')
builder.add_text_memo(message).append_payment_op(
destination=receiver_address, amount=amount, asset_code='XLM')
builder.sign()
response = builder.submit()
def award_degree(self, address, student_name, birthdate, year):
"""Sends a transaction with a hash of the student's informations as text memo.
:param student_name: in format prenamesurname with only one prename
:param year: 4-digits number
:return: Horizon return of the tx
"""
memo = hash128((student_name+birthdate+year).encode())
builder = Builder(secret=self.kp.seed().decode())
builder.add_text_memo(memo)
builder.append_payment_op(address, 0.0000001)
builder.sign()
return builder.submit()
def transfer_lumen(sender, to_address, amount, memo=None):
# type: (User, str, float, Optional[str]) -> None
# ToDo: check remaining lumen of sending account (fee + base reserve)
# (take base reserve https://www.stellar.org/developers/guides/concepts/fees.html)
builder = Builder(secret=sender.stellaraccount.seed, network=network)
builder.append_payment_op(to_address, str(amount), 'XLM')
if memo:
builder.add_text_memo(memo) # string length <= 28 bytes
builder.sign()
builder.submit()
def send(self, destination, amount):
destination = check_pay_by_name(destination, "XLM")
wallet = Wallet.objects.get(user=self.user, name=self.coin)
try:
builder = Builder(secret=wallet.private)
builder.add_text_memo("EXMR, Stellar!").append_payment_op(
destination=destination.strip(),
amount=str(amount),
asset_code='XLM')
builder.sign()
response = builder.submit()
return response["hash"]
except:
return {"error": "insufficient funds"}
def test_add_memo(self, test_data):
builder = Builder(test_data.cold_secret, sequence=1, fee=100)
builder.add_text_memo("hello")
assert builder.memo == memo.TextMemo("hello")
builder.add_id_memo(123123)
assert builder.memo == memo.IdMemo(123123)
hash = b"\x95\xe5\xbb\x95\x15\xd9\x9f\x82\x9d\xf9\x93\xc3'\x8e\xeb\xf1\nj!\xda\xa4\xa1\xe4\xf2<6cG}\x17\x97\xfe"
builder.add_hash_memo(hash)
assert builder.memo == memo.HashMemo(hash)
builder.add_ret_hash_memo(hash)
assert builder.memo == memo.RetHashMemo(hash)
def send_payment(amount, item, asset='XLM'):
flag = False
try:
builder = Builder(secret=MEMBER_SEED)
builder.append_payment_op(SITE_ADDR, amount, asset)
builder.add_text_memo(item)
builder.sign()
s = builder.submit()
print(s)
flag = True
except Exception as ex:
print('Error in Payment')
print(str(ex))
finally:
return flag
def transfer(self, amount, to_address, description):
'''
'''
if float(self._get_balance()) < float(amount):
return 'Insufficient Balance'
seed = self.get_seed()
builder = Builder(secret=seed)
# builder = Builder(secret=seed, network='public') for LIVENET
builder.append_payment_op(to_address, amount, 'XLM')
builder.add_text_memo(description) # string length <= 28 bytes
builder.sign()
# Uses an internal horizon instance to submit over the network
builder.submit()
return 'SUCCESS'
def send_payment(amount, item, asset='XLM'):
flag = False
try:
builder = Builder(
secret=MEMBER_SEED) #send payment from member to site
builder.append_payment_op(SITE_ADDRESS, amount, asset)
builder.add_text_memo(item)
builder.sign()
s = builder.submit()
global balance
balance = calculate_balance(s)
flag = True
except Exception as e:
print('Error', e)
finally:
return flag
def transaction(): # Performs the transaction from one to another thus providing the current balance.
builder = Builder(secret=send_seed)
builder.append_payment_op(receive_publickey, '500', 'XLM') # Assigning of Receiver address, amount & Asset.
builder.add_text_memo('testing') # Assigning of a memo or remark.
builder.sign()
s = builder.submit() # Submitting the result of the transaction.
address1.get() # Receiving balance info in JSON format
address2.get()
for a1 in address1.balances:
send_current = a1['balance'] # Retrieving the eaxct balance info fron JSON.
for a2 in address2.balances:
receive_current = a2['balance']
cbalance = { # Current balance.
'send_current': send_current,
'receive_current': receive_current,
}
return render_template("transaction.html", cbalance=cbalance)
def send_payment(address, amount):
builder = Builder(secret=REAL_SEED, network='public')
builder.add_text_memo(
"NWC transaction amount: {}".format(amount)).append_payment_op(
destination=address,
amount=amount,
asset_code='NWC',
asset_issuer=ISSUER)
builder.sign()
response = builder.submit()
print(response)
with open("transaction.log", "a+") as log:
log.write("\n")
log.write(datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
log.write("\n")
log.write("=============================================")
log.write("\n")
log.write(json.dumps(response))
log.write("\n")
def withdraw(key, to_address, amount=None, dst_tag=None):
keypair = RawKeypair(key)
builder = Builder(address=public_key_to_address(keypair.raw_public_key()),
network='PUBLIC')
if amount is None:
builder.append_account_merge_op(to_address)
else:
builder.append_payment_op(to_address, str(round(float(amount), 7)),
'XLM')
if dst_tag is not None:
builder.add_text_memo(dst_tag)
builder.keypair = keypair
builder.sign()
ret = builder.submit()
if ret['successful']:
return ret['hash']
print(ret)
return None
def send_payment_and_lock(address, amount, release, valid):
"""
Send the payment to the specified address and lock it for the specified time period
:param address: Destination address
:param amount: Amount of NWC to payout
:param release: Start of token lock date
:param valid: End of token lock date
:return: response object
"""
timestamp_release = (release -
datetime.datetime(1970, 1, 1)).total_seconds()
timestamp_valid = (valid - datetime.datetime(1970, 1, 1)).total_seconds()
builder = Builder(secret=REAL_SEED, network='public')
builder.add_text_memo(
"NWC transaction amount: {}; asset locked till: {}".format(
amount,
release)).append_payment_op(destination=address,
amount=amount,
asset_code='NWC',
asset_issuer=ISSUER).add_time_bounds({
'minTime':
timestamp_release,
'maxTime':
timestamp_valid
})
builder.sign()
response = builder.submit()
print(response)
with open("transaction.log", "a+") as log:
log.write("\n")
log.write(datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
log.write("\n")
log.write("unlocks: " + release.strftime("%Y-%m-%d %H:%M:%S"))
log.write("\n")
log.write("valid till: " + valid.strftime("%Y-%m-%d %H:%M:%S"))
log.write("=============================================")
log.write("\n")
log.write(json.dumps(response))
log.write("\n")
return response
def create_transaction(self, from_address, to_address, amount, memo):
"""
创建一笔交易
:param from_address: 发起账户的私钥
:param to_address: 目的账户的公钥
:return: response
"""
builder = Builder(secret=from_address, horizon_uri=self.rpc_uri)
builder_memo = builder.add_text_memo(memo)
builder_memo.append_payment_op(destination=to_address,
amount=amount,
asset_code='XLM')
builder.sign()
response = builder.submit()
return response
class Interface:
"""
Interface to handle all API calls to third-party account.
"""
def __init__(self, account):
self.account = account
if account.secret:
self.builder = Builder(secret=account.secret,
network=account.network)
self.address = Address(address=account.account_id,
network=account.network)
def _get_new_receives(self):
# Get all stored transactions for account
transactions = ReceiveTransaction.filter(admin_account=self.account)
# Set the cursor according to latest stored transaction:
if not transactions:
cursor = None
else:
cursor = int(transactions.latest().data['paging_token']) + 1
# Get new transactions from the stellar network:
new_transactions = self._get_receives(cursor=cursor)
return new_transactions
def _get_receives(self, cursor=None):
# If cursor was specified, get all transactions after the cursor:
if cursor:
transactions = self.address.payments(cursor=cursor)['_embedded']['records']
print(transactions)
for i, tx in enumerate(transactions):
if tx.get('to') != self.account.account_id:
transactions.pop(i) # remove sends
# else just get all the transactions:
else:
transactions = self.address.payments()['_embedded']['records']
for i, tx in enumerate(transactions):
if tx.get('from') == self.account.account_id:
transactions.pop(i) # remove sends
return transactions
def _process_receive(self, tx):
# Get memo:
details = requests.get(url=tx['_links']['transaction']['href']).json()
memo = details.get('memo')
print('memo: ' + str(memo))
if memo:
account_id = memo + '*rehive.com'
user_account = UserAccount.objects.get(account_id=account_id)
user_email = user_account.user_id # for this implementation, user_id is the user's email
amount = to_cents(Decimal(tx['amount']), 7)
if tx['asset_type'] == 'native':
currency = 'XLM'
issuer = ''
else:
currency = tx['asset_code']
issuer_address = tx['asset_issuer']
issuer = Asset.objects.get(account_id=issuer_address, code=currency).issuer
# Create Transaction:
tx = ReceiveTransaction.objects.create(user_account=user_account,
external_id=tx['hash'],
recipient=user_email,
amount=amount,
currency=currency,
issuer=issuer,
status='Waiting',
data=tx,
metadata={'type': 'stellar'}
)
# TODO: Move tx.upload_to_rehive() to a signal to auto-run after Transaction creation.
tx.upload_to_rehive()
return True
@staticmethod
def _is_valid_address(address: str) -> bool:
# TODO: Replace with real address check.
if len(address) == 56 and '*' not in address:
return True
else:
return False
# This function should always be included if transactions are received to admin account and not added via webhooks:
def process_receives(self):
# Get new receive transactions
new_transactions = self._get_new_receives()
# Add each transaction to Rehive and log in transaction table:
for tx in new_transactions:
self._process_receive(tx)
# This function should always be included.
def process_send(self, tx):
if self._is_valid_address(tx.recipient):
address = tx.recipient
else:
federation = get_federation_details(tx.recipient)
if federation['memo_type'] == 'text':
self.builder.add_text_memo(federation['memo'])
elif federation['memo_type'] == 'id':
self.builder.add_id_memo(federation['memo'])
elif federation['memo_type'] == 'hash':
self.builder.add_hash_memo(federation['memo'])
else:
raise NotImplementedAPIError('Invalid memo type specified.')
address = federation['account_id']
# Create account or create payment:
if tx.currency == 'XLM':
try:
address_obj = self.address
address_obj.get()
self.builder.append_payment_op(address, tx.amount, 'XLM')
except APIException as exc:
if exc.status_code == 404:
self.builder.append_create_account_op(address, tx.amount)
else:
# Get issuer address details:
issuer_address = get_issuer_address(tx.issuer, tx.currency)
address_obj = self.address
address_obj.get()
self.builder.append_payment_op(address, tx.amount, tx.currency, issuer_address)
try:
self.builder.sign()
self.builder.submit()
except Exception as exc:
print(exc.payload)
def get_balance(self):
address = self.address
address.get()
for balance in address.balances:
if balance['asset_type'] == 'native':
return to_cents(Decimal(balance['balance']), 7)
def get_issuer_address(self, issuer, asset_code):
if self._is_valid_address(issuer):
address = issuer
else:
if '*' in issuer:
address = get_federation_details(issuer)['account_id']
else: # assume it is an anchor domain
address = address_from_domain(issuer, asset_code)
return address
def trust_issuer(self, asset_code, issuer):
logger.info('Trusting issuer: %s %s' % (issuer, asset_code))
address = self.get_issuer_address(issuer, asset_code)
self.builder.append_trust_op(address, asset_code)
try:
self.builder.sign()
self.builder.submit()
except Exception as exc:
print(exc.payload)
# Generate new crypto address/ account id
@staticmethod
def new_account_id(**kwargs):
metadata = kwargs.get('metadata')
account_id = metadata['username'] + '*' + getattr(settings, 'STELLAR_WALLET_DOMAIN')
return account_id
def get_account_details(self):
address = self.account.account_id
qr_code = create_qr_code_url('stellar:' + str(address))
return {'account_id': address, 'metadata': {'qr_code': qr_code}}
def sendTransaction(self, receiverAddress, amount, message='Test'):
builder = Builder(secret=self.seed)
builder.append_payment_op(receiverAddress, amount, 'XLM')
builder.add_text_memo(message)
builder.sign()
builder.submit()
from stellar_base.builder import Builder
import csv
from array import *
sender_secret = 'SBIQIV2XQBBVXK7FFNNRDTTKG2YTQI5GI4DNY75SDCP2IBMQ2NFZNQNS'
receiver_address = []
with open('assetHoldersExport(testnet).csv', 'r') as csv_file:
csv_reader = csv.reader(csv_file)
next(csv_reader)
for line in csv_reader:
receiver_address.append(line[1])
for i in range(len(receiver_address)):
builder = Builder(secret=sender_secret, horizon_uri='https://horizon-testnet.stellar.org', network='TESTNET')
builder.add_text_memo("Thank you for using TXBNB!").append_payment_op(
destination=receiver_address[i],
amount='1.6333',
asset_code='TXBNB',
asset_issuer='GDHAFLI6STAHO2GPJEG56CEWRC5QNT54QNWIPREHI4NXJHANSKOGDDTI'
)
builder.sign()
response = builder.submit()
print(response)
async def build_unsigned_transfer(
transaction_source_address: str,
source_address: str,
destination_address: str,
amount_hot: Decimal,
amount_xlm: Decimal,
tax_amount_hot: Decimal = None,
sequence: int = None,
memo_text: str = None,
) -> Tuple[str, str]:
""""Build unsigned transfer transaction return unsigned XDR and transaction hash.
Args:
source_address: Owner of operation
destination_address: wallet id of new wallet
amount_hot: amount of hot that would be transfer
amount_xlm: amount of xlm that would be transfer
sequence: sequence number for generate transaction [optional]
memo: memo text [optional]
"""
builder = Builder(
address=transaction_source_address,
sequence=sequence,
horizon=settings['HORIZON_URL'],
network=settings['PASSPHRASE'],
)
wallet = await get_wallet_detail(destination_address)
if amount_hot and not wallet['asset'].get(settings['ASSET_CODE'], False):
raise web.HTTPBadRequest(reason="{} is not trusted {}".format(
destination_address, settings['ASSET_CODE']))
if amount_xlm:
builder.append_payment_op(destination_address,
amount_xlm,
source=source_address)
if amount_hot and wallet['asset'].get(settings['ASSET_CODE'], False):
builder.append_payment_op(
destination_address,
amount_hot,
asset_code=settings['ASSET_CODE'],
asset_issuer=settings['ISSUER'],
source=source_address,
)
if tax_amount_hot and Decimal(tax_amount_hot) > 0:
builder.append_payment_op(
settings['TAX_COLLECTOR_ADDRESS'],
Decimal(tax_amount_hot),
asset_code=settings['ASSET_CODE'],
asset_issuer=settings['ISSUER'],
source=source_address,
)
if memo_text:
builder.add_text_memo(memo_text)
unsigned_xdr = builder.gen_xdr()
tx_hash = builder.te.hash_meta()
return unsigned_xdr.decode('utf8'), binascii.hexlify(tx_hash).decode()
from stellar_base.builder import Builder
alice_secret = 'SCB6JIZUC3RDHLRGFRTISOUYATKEE63EP7MCHNZNXQMQGZSLZ5CNRTKK'
bob_address = 'GA7YNBW5CBTJZ3ZZOWX3ZNBKD6OE7A7IHUQVWMY62W2ZBG2SGZVOOPVH'
builder = Builder(secret=alice_secret,
horizon='https://horizon.stellar.org',
network='PUBLIC')
builder.add_text_memo("Hello, Stellar!").append_payment_op(
destination=bob_address, amount='12.25', asset_code='XLM')
builder.sign()
response = builder.submit()
print(response)
print('Alice Balances: {}'.format(address.balances))
# Bob's address, for the destination
kp = Keypair.random()
bob_address = kp.address().decode()
print('bobs_address: {}'.format(bob_address))
url = 'https://friendbot.stellar.org'
r = requests.get(url, params={'addr': bob_address})
address = Address(address=bob_address) # See signature for additional args
address.get() # Get the latest information from Horizon
print('Bobs Balances: {}'.format(address.balances))
builder = Builder(secret=seed)
builder.append_payment_op(bob_address, '100', 'XLM')
builder.add_text_memo('For beers') # string length <= 28 bytes
builder.sign()
# Uses an internal horizon instance to submit over the network
response = builder.submit()
address = Address(address=bob_address) # See signature for additional args
address.get() # Get the latest information from Horizon
print('Bobs Balances: {}'.format(address.balances))
address = Address(address=alice_address) # See signature for additional args
address.get() # Get the latest information from Horizon
print('Alice Balances: {}'.format(address.balances))
from stellar_base.builder import Builder
seed = "SAUV4WPT2IY3N5OVQHGYLMOH4SPOUFS27YEER3BYFWVVIWSEETFIHTLQ"
builder = Builder(secret=seed)
# builder = Builder(secret=seed, network='public') for LIVENET
bob_address = 'GBCCC62LUXPDL7DLNQPYJWASA672CCJOLCJRBSIFXNIPRMQRRQ2HCWW6'
builder.append_payment_op(bob_address, '100', 'XLM')
builder.add_text_memo("K L P") # string length <= 28 bytes
builder.sign()
# Uses an internal horizon instance to submit over the network
builder.submit()