def test_builder_xdr(self):
cold_account = self.cold.address().decode()
hot_account = self.hot.address().decode()
fund(cold_account)
fund(hot_account)
cold = Builder(self.cold.seed().decode())
cold.append_trust_op(cold_account, 'BEER', 1000, hot_account)
cold.append_payment_op(hot_account, 100, 'BEER', cold_account)
cold.append_payment_op(cold_account, 2.222, 'BEER', cold_account, hot_account)
xdr = cold.gen_xdr()
hot = Builder(self.hot.seed().decode())
hot.import_from_xdr(xdr)
# hot.sign()
try:
response = hot.submit()
except:
assert False
def test_verify_challenge_tx_source_is_different_to_server_account_id(
self):
server_kp = Keypair.random()
client_kp = Keypair.random()
network = 'TESTNET'
challenge = Builder(server_kp.seed().decode(),
network=network,
sequence=-1,
fee=100)
challenge.sign()
challenge_tx_server_signed = challenge.gen_xdr()
transaction = Builder(client_kp.seed().decode(),
network='TESTNET',
sequence=0,
fee=100)
transaction.import_from_xdr(challenge_tx_server_signed)
transaction.sign()
challenge_tx = transaction.gen_xdr()
with pytest.raises(
InvalidSep10ChallengeError,
match=
"Transaction source account is not equal to server's account."
):
Builder.verify_challenge_tx(challenge_tx,
Keypair.random().address().decode(),
'TESTNET')
def test_verify_challenge_tx_donot_contain_managedata_operation(self):
server_kp = Keypair.random()
client_kp = Keypair.random()
timeout = 600
network = 'TESTNET'
challenge = Builder(server_kp.seed().decode(),
network=network,
sequence=-1,
fee=100)
now = int(time.time())
challenge.add_time_bounds({'minTime': now, 'maxTime': now + timeout})
challenge.append_bump_sequence_op(12,
source=client_kp.address().decode())
challenge.sign()
challenge_tx_server_signed = challenge.gen_xdr()
transaction = Builder(client_kp.seed().decode(),
network='TESTNET',
sequence=0,
fee=100)
transaction.import_from_xdr(challenge_tx_server_signed)
transaction.sign()
challenge_tx = transaction.gen_xdr()
with pytest.raises(InvalidSep10ChallengeError,
match="Operation type should be ManageData."):
Builder.verify_challenge_tx(challenge_tx,
server_kp.address().decode(),
'TESTNET')
def test_verify_challenge_tx_operation_does_not_contain_the_source_account(
self):
server_kp = Keypair.random()
client_kp = Keypair.random()
timeout = 600
network = 'TESTNET'
archor_name = 'sdf'
challenge = Builder(server_kp.seed().decode(),
network=network,
sequence=-1,
fee=100)
now = int(time.time())
challenge.add_time_bounds({'minTime': now, 'maxTime': now + timeout})
nonce = os.urandom(64)
challenge.append_manage_data_op(
data_name='{} auth'.format(archor_name), data_value=nonce)
challenge.sign()
challenge_tx_server_signed = challenge.gen_xdr()
transaction = Builder(client_kp.seed().decode(),
network='TESTNET',
sequence=0,
fee=100)
transaction.import_from_xdr(challenge_tx_server_signed)
transaction.sign()
challenge_tx = transaction.gen_xdr()
with pytest.raises(InvalidSep10ChallengeError,
match="Operation should have a source account."):
Builder.verify_challenge_tx(challenge_tx,
server_kp.address().decode(),
'TESTNET')
def test_builder_xdr(setup, helpers, test_data):
hot = Keypair.random()
hot_account = hot.address().decode()
hot_secret = hot.seed()
helpers.fund_account(setup, hot_account)
cold = Builder(secret=test_data.cold_secret, horizon=setup.horizon_endpoint_uri, network=setup.network) \
.append_trust_op(test_data.cold_account, 'BEER', '1000', hot_account) \
.append_allow_trust_op(hot_account, 'BEER', True, test_data.cold_account) \
.append_payment_op(hot_account, '100', 'BEER', test_data.cold_account, test_data.cold_account) \
.append_payment_op(test_data.cold_account, '2.222', 'BEER', test_data.cold_account, hot_account)
cold.sign()
xdr = cold.gen_xdr()
hot = Builder(secret=hot_secret,
horizon=setup.horizon_endpoint_uri,
network=setup.network)
hot.import_from_xdr(xdr)
hot.sign()
assert len(hot.te.signatures) == 2
assert len(hot.ops) == 4
response = hot.submit()
assert response.get('hash') == hot.hash_hex()
def build_unsigned_change_trust(source_address: str,
transaction_source_address: str,
sequence: str = None) -> Tuple[str, str]:
""""Build unsigned transfer transaction return unsigned XDR and transaction hash.
Args:
source_address: address need to be trust HOT
"""
builder = Builder(
address=transaction_source_address,
horizon=settings['HORIZON_URL'],
network=settings['PASSPHRASE'],
sequence=sequence,
)
builder.append_trust_op(settings['ISSUER'],
settings['ASSET_CODE'],
source=source_address,
limit=settings['LIMIT_ASSET'])
try:
unsigned_xdr = builder.gen_xdr()
tx_hash = builder.te.hash_meta()
except Exception as ex:
raise web.HTTPNotFound(text=str(ex))
return unsigned_xdr.decode('utf8'), binascii.hexlify(tx_hash).decode()
def test_verify_challenge_tx(self):
server_kp = Keypair.random()
client_kp = Keypair.random()
timeout = 600
network = 'Public Global Stellar Network ; September 2015'
archor_name = "SDF"
challenge = Builder.challenge_tx(
server_secret=server_kp.seed().decode(),
client_account_id=client_kp.address().decode(),
archor_name=archor_name,
network=network,
timeout=timeout)
challenge.sign()
challenge_tx_server_signed = challenge.gen_xdr()
transaction = Builder(
client_kp.seed().decode(),
network='Public Global Stellar Network ; September 2015',
sequence=0,
fee=100)
transaction.import_from_xdr(challenge_tx_server_signed)
transaction.sign()
challenge_tx = transaction.gen_xdr()
Builder.verify_challenge_tx(
challenge_tx,
server_kp.address().decode(),
'Public Global Stellar Network ; September 2015')
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 build_generate_trust_wallet_transaction(
transaction_source_address: str,
source_address: str,
destination_address: str,
xlm_amount: Decimal,
hot_amount: Decimal = Decimal(0),
sequence=None,
) -> Tuple[bytes, bytes]:
""""Build transaction return unsigned XDR and transaction hash.
Args:
transaction_source_address: Owner of a transaction.
source_address: Owner of creator address and payment operations.
destination_address: wallet id of new wallet.
xlm_amount: starting xlm_balance of new wallet.
hot_amount: starting hot balance of new wallet.
"""
builder = Builder(
address=transaction_source_address,
horizon=settings['HORIZON_URL'],
network=settings['PASSPHRASE'],
sequence=sequence,
)
builder.append_create_account_op(source=source_address,
destination=destination_address,
starting_balance=xlm_amount)
try:
builder.append_trust_op(
source=destination_address,
destination=settings['ISSUER'],
code=settings['ASSET_CODE'],
limit=settings['LIMIT_ASSET'],
)
except DecodeError:
raise web.HTTPBadRequest(reason='Parameter values are not valid.')
except Exception as e:
msg = str(e)
raise web.HTTPInternalServerError(reason=msg)
if hot_amount > 0:
builder.append_payment_op(
source=source_address,
destination=destination_address,
asset_code=settings['ASSET_CODE'],
asset_issuer=settings['ISSUER'],
amount=hot_amount,
)
try:
unsigned_xdr = builder.gen_xdr()
except Exception as e:
raise web.HTTPBadRequest(
reason='Bad request, Please ensure parameters are valid.')
tx_hash = builder.te.hash_meta()
return unsigned_xdr, tx_hash
def test_import_from_xdr(self, setup, test_data):
builder = Builder(secret=test_data.cold_secret, sequence=1, horizon_uri=setup.horizon_endpoint_uri,
network=setup.network) \
.append_manage_data_op("hello", "world") \
.add_time_bounds({'minTime': 1534392138, 'maxTime': 1534392238})
builder.sign()
old_xdr = builder.gen_xdr()
old_hash = builder.hash()
new_hash = Builder(
secret=test_data.cold_secret).import_from_xdr(old_xdr).hash()
assert new_hash == old_hash
def test_import_from_xdr_custom_network(self, setup, test_data):
builder = Builder(secret=test_data.cold_secret, sequence=1, horizon_uri=setup.horizon_endpoint_uri,
network='CUSTOM_NETWORK') \
.append_manage_data_op("hello", "world")
builder.sign()
old_xdr = builder.gen_xdr()
old_hash = builder.hash()
new_hash = Builder(
secret=test_data.cold_secret,
network='CUSTOM_NETWORK').import_from_xdr(old_xdr).hash()
assert new_hash == old_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 test_verify_challenge_tx_sequence_not_zero(self):
server_kp = Keypair.random()
client_kp = Keypair.random()
challenge = Builder(server_kp.seed().decode(), sequence=10086, fee=100)
challenge.sign()
challenge_tx_server_signed = challenge.gen_xdr()
transaction = Builder(
client_kp.seed().decode(),
network='Public Global Stellar Network ; September 2015',
sequence=0,
fee=100)
transaction.import_from_xdr(challenge_tx_server_signed)
transaction.sign()
challenge_tx = transaction.gen_xdr()
with pytest.raises(
InvalidSep10ChallengeError,
match="The transaction sequence number should be zero."):
Builder.verify_challenge_tx(
challenge_tx,
server_kp.address().decode(),
'Public Global Stellar Network ; September 2015')
def test_verify_challenge_tx_not_within_range_of_the_specified_timebounds(
self):
server_kp = Keypair.random()
client_kp = Keypair.random()
timeout = 600
network = 'TESTNET'
archor_name = 'sdf'
challenge = Builder(server_kp.seed().decode(),
network=network,
sequence=-1,
fee=100)
now = int(time.time())
challenge.add_time_bounds({'minTime': now - 100, 'maxTime': now - 20})
nonce = os.urandom(64)
challenge.append_manage_data_op(
data_name='{} auth'.format(archor_name),
data_value=nonce,
source=client_kp.address().decode())
challenge.sign()
challenge_tx_server_signed = challenge.gen_xdr()
transaction = Builder(client_kp.seed().decode(),
network='TESTNET',
sequence=0,
fee=100)
transaction.import_from_xdr(challenge_tx_server_signed)
transaction.sign()
challenge_tx = transaction.gen_xdr()
with pytest.raises(
InvalidSep10ChallengeError,
match=
"Transaction is not within range of the specified timebounds."
):
Builder.verify_challenge_tx(challenge_tx,
server_kp.address().decode(),
'TESTNET')
async def build_generate_merge_transaction(
transaction_source_address: str, wallet_detail: Dict, parties_wallet: List = None, sequence: str = None
) -> Tuple[Any, str]:
""" Builder transaction close escrow wallet by payment remaining HOT from escrow_wallet to provider_wallet and
merge account from escrow_wallet to creator_wallet, Finally, return xdr and transaction_hash
Args:
escrow_wallet: escrow wallet response from get_escrow_wallet_detail
parties_walles : list of provider address and amount for payback
"""
wallet_address = wallet_detail['escrow_address']
wallet_data = wallet_detail['data']
creator_address = (
wallet_data['creator_address']
if wallet_data and 'creator_address' in wallet_data.keys()
else await get_creator_address(wallet_address)
)
builder = Builder(
address=transaction_source_address,
horizon=settings['HORIZON_URL'],
network=settings['PASSPHRASE'],
sequence=sequence,
)
if not parties_wallet:
parties_wallet = await generate_parties_wallet(wallet_detail)
balance = Decimal(wallet_detail['asset'][settings['ASSET_CODE']])
if not await is_match_balance(parties_wallet, balance):
raise web.HTTPBadRequest(reason='Total amount not match wallet balance')
await build_payment_operation(builder, wallet_address, parties_wallet)
await build_remove_trustlines_operation(builder, wallet_address)
await build_remove_manage_data_operation(builder, wallet_address, wallet_data.keys())
await build_account_merge_operation(builder, wallet_address, creator_address)
try:
xdr = builder.gen_xdr()
except Exception as e:
raise web.HTTPBadRequest(reason='Bad request, Please ensure parameters are valid.')
tx_hash = builder.te.hash_meta()
return xdr.decode(), binascii.hexlify(tx_hash).decode()
def signsend(text):
cont = session.prompt(u'You want to sign or send? (sign/send) > ')
data = text.split()[1]
if cont.lower() == 'sign':
print(' signing ' + data)
sign = Builder(CONF['private_key'], network=CONF['network'])
sign.import_from_xdr(data)
#key = session.prompt(u'Enter who you sign for? %s > ' % CONF['multisig'])
sign.sign()
print("send this to the other wallet and ask them to signsend it\n")
print(sign.gen_xdr())
return
print(' signing and sending ' + data)
c = Builder(CONF['private_key'], network=CONF['network'])
c.import_from_xdr(data)
c.sign()
data = c.submit()
print(data)
return
def test_builder_xdr(self):
cold_account = self.cold.address().decode()
hot_account = self.hot.address().decode()
fund(cold_account)
fund(hot_account)
cold = Builder(self.cold.seed().decode())
cold.append_trust_op(cold_account, 'BEER', 1000, hot_account)
cold.append_payment_op(hot_account, 100, 'BEER', cold_account)
cold.append_payment_op(cold_account, 2.222, 'BEER', cold_account, hot_account)
xdr = cold.gen_xdr()
hot = Builder(self.hot.seed().decode())
hot.import_from_xdr(xdr)
# hot.sign()
try:
response = hot.submit()
except:
assert False
def test_builder_append_ops(self):
alice_secret = 'SDIMY25XL2TDSUZNM42Y2WLA2E2R52EV3GR6MXCPVTBSWJLN6MLX6JZV'
bob_account = 'GBZ5VJD6VMQMRDSMCCZAF23K5VIGBHXJQQYLLYQOEIZB4AUJNMFN5R3U'
builder = Builder(secret=alice_secret,
sequence=938635037769728,
fee=100)
builder. \
append_create_account_op(destination=bob_account, starting_balance='10'). \
append_change_trust_op(asset_code='BEER', asset_issuer=bob_account, limit='1000'). \
append_payment_op(destination=bob_account, asset_code='XLM', amount='100'). \
append_path_payment_op(destination=bob_account, send_code='BEER',
send_issuer=bob_account,
send_max='100', dest_code='XLM', dest_issuer=None, dest_amount='100',
path=[('HELLO', bob_account)]). \
append_allow_trust_op(trustor=bob_account, asset_code='MOE', authorize=True). \
append_set_options_op(set_flags=7, home_domain='stellar.org'). \
append_hashx_signer(
hashx=b"\xe7\xd40j:>pH\xa0\x11\x90(q\x88\xa0IV\xf6\xa9\xc90\x15H&\xeb\xcd\x03\t\x93\x1f'8",
signer_weight=1). \
append_pre_auth_tx_signer(
pre_auth_tx=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",
signer_weight=1). \
append_manage_sell_offer_op(selling_code='XLM', selling_issuer=None, buying_code='BEER',
buying_issuer=bob_account, amount='1', price='10', offer_id=0). \
append_manage_buy_offer_op(selling_code='XLM', selling_issuer=None, buying_code='BEER',
buying_issuer=bob_account, amount='1', price='10', offer_id=0). \
append_create_passive_sell_offer_op(selling_code='XLM', selling_issuer=None, buying_code='BEER',
buying_issuer=bob_account, amount='1', price={'n': 10, 'd': 1}). \
append_account_merge_op(destination=bob_account). \
append_inflation_op(). \
append_manage_data_op(data_name='hello', data_value='world'). \
append_bump_sequence_op(bump_to=938635037769749). \
add_text_memo("hello, stellar"). \
add_time_bounds({'minTime': 1534392138, 'maxTime': 1534392238})
assert builder.hash_hex(
) == 'f646a891ed9ecde6f98bf7fb1afcb52acbc73aabd08f9390c61fdfc8f426815f'
builder.sign()
assert builder.gen_xdr().decode(
) == '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'
def build_generate_wallet_transaction(transaction_source_address: str,
source_address: str,
destination_address: str,
amount: Decimal,
sequence=None) -> Tuple[bytes, bytes]:
""""Build transaction return unsigned XDR and transaction hash.
Args:
transaction_source_address: Owner of the transactoin
source_address: Owner of creator wallet
destination_address: wallet id of new wallet
amount: starting balance of new wallet
"""
builder = Builder(
address=transaction_source_address,
horizon=settings['HORIZON_URL'],
network=settings['PASSPHRASE'],
sequence=sequence,
)
try:
builder.append_create_account_op(source=source_address,
destination=destination_address,
starting_balance=amount)
except DecodeError:
raise web.HTTPBadRequest(reason='Parameter values are not valid.')
except Exception as e:
msg = str(e)
raise web.HTTPInternalServerError(reason=msg)
try:
unsigned_xdr = builder.gen_xdr()
except Exception as e:
raise web.HTTPBadRequest(
reason='Bad request, Please ensure parameters are valid.')
tx_hash = builder.te.hash_meta()
return unsigned_xdr, tx_hash
def test_builder_append_ops(self):
alice_secret = 'SDIMY25XL2TDSUZNM42Y2WLA2E2R52EV3GR6MXCPVTBSWJLN6MLX6JZV'
bob_account = 'GBZ5VJD6VMQMRDSMCCZAF23K5VIGBHXJQQYLLYQOEIZB4AUJNMFN5R3U'
builder = Builder(secret=alice_secret,
sequence=938635037769728,
fee=100)
builder. \
append_create_account_op(destination=bob_account, starting_balance='10'). \
append_change_trust_op(asset_code='BEER', asset_issuer=bob_account, limit='1000'). \
append_payment_op(destination=bob_account, asset_code='XLM', amount='100'). \
append_path_payment_op(destination=bob_account, send_code='BEER',
send_issuer=bob_account,
send_max='100', dest_code='XLM', dest_issuer=None, dest_amount='100',
path=[('HELLO', bob_account)]). \
append_allow_trust_op(trustor=bob_account, asset_code='MOE', authorize=True). \
append_set_options_op(set_flags=7, home_domain='stellar.org'). \
append_hashx_signer(
hashx=b"\xe7\xd40j:>pH\xa0\x11\x90(q\x88\xa0IV\xf6\xa9\xc90\x15H&\xeb\xcd\x03\t\x93\x1f'8",
signer_weight=1). \
append_pre_auth_tx_signer(
pre_auth_tx=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",
signer_weight=1). \
append_manage_offer_op(selling_code='XLM', selling_issuer=None, buying_code='BEER',
buying_issuer=bob_account, amount='1', price='10', offer_id=0). \
append_create_passive_offer_op(selling_code='XLM', selling_issuer=None, buying_code='BEER',
buying_issuer=bob_account, amount='1', price={'n': 10, 'd': 1}). \
append_account_merge_op(destination=bob_account). \
append_inflation_op(). \
append_manage_data_op(data_name='hello', data_value='world'). \
append_bump_sequence_op(bump_to=938635037769749). \
add_text_memo("hello, stellar"). \
add_time_bounds({'minTime': 1534392138, 'maxTime': 1534392238})
assert builder.hash_hex(
) == '82910e59edebeeafc86294372572812a251066ad1f0784e1e38ca63d3b6bdf24'
builder.sign()
assert builder.gen_xdr().decode(
) == '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'
async def build_unsigned_add_trust_and_hot(
source_address: str,
transaction_source_address: str,
hot_amount: Decimal,
sequence: str = None) -> Tuple[str, str]:
""""Build unsigned transfer transaction return unsigned XDR and transaction hash.
Args:
source_address: address need to be trust HOT and address for getting HOT
"""
builder = Builder(
address=transaction_source_address,
horizon=settings['HORIZON_URL'],
network=settings['PASSPHRASE'],
sequence=sequence,
)
builder.append_trust_op(settings['ISSUER'],
settings['ASSET_CODE'],
source=source_address,
limit=settings['LIMIT_ASSET'])
if hot_amount > 0:
builder.append_payment_op(
source=transaction_source_address,
destination=source_address,
asset_code=settings['ASSET_CODE'],
asset_issuer=settings['ISSUER'],
amount=hot_amount,
)
try:
unsigned_xdr = builder.gen_xdr()
tx_hash = builder.te.hash_meta()
except Exception as ex:
raise web.HTTPNotFound(text=str(ex))
return unsigned_xdr.decode('utf8'), binascii.hexlify(tx_hash).decode()
def genptxs(
systemdb,
timestamp):
"""generates contract ptxs 1-3 given systemdb, including a contract manifest
in production, will add ptxs will be hosted along with manifest on e.g. IPFS
"""
q = Query()
a_sk = systemdb.search(q.name == 'Contract')[0]['sk']
a_pk = systemdb.search(q.name == 'Contract')[0]['pk']
pr_pk = systemdb.search(q.name == 'Printer')[0]['pk']
pi_pk = systemdb.search(q.name == 'Pipe')[0]['pk']
UND = systemdb.search(q.type == 'manifest')[0]['UND']
UND_pk = systemdb.search(q.type == 'manifest')[0]['UND_source']
QUO = systemdb.search(q.type == 'manifest')[0]['QUO']
QUO_pk = systemdb.search(q.type == 'manifest')[0]['QUO_source']
strike = systemdb.search(q.type == 'manifest')[0]['strike']
size = systemdb.search(q.type == 'manifest')[0]['size']
address = Address(address=a_pk, network='TESTNET')
address.get()
####2 PREAUTH TX ONE #####
b = Builder(
secret = str(a_sk),
horizon_uri = 'https://horizon.stellar.org',
network = 'TESTNET',
sequence = int(address.sequence)+3)
"""seq incremented by two bc acct will need to add hash signer, data entry, and lock
"""
strikeXsize = str(int(strike)*int(size))
b.append_payment_op(pr_pk, '0.5', 'OCA', pr_pk)
if QUO_pk == None:
b.append_payment_op(pi_pk, strikeXsize, QUO, asset_issuer=None)
else:
b.append_payment_op(pi_pk, strikeXsize, QUO, QUO_pk)
b.append_manage_offer_op('SPA', pr_pk, 'OCA', pr_pk, '0.0000001', '5000000', offer_id=0)
b.append_manage_offer_op('GTA', pr_pk, 'SPA', pr_pk, '1', '0.0000001', offer_id=0)
price = str(float(1)/int(size))
b.append_manage_offer_op(UND, UND_pk, 'GTA', pr_pk, str(size), price, offer_id=0)
envelope1 = b.gen_te()
hashish1 = envelope1.hash_meta()
xdr1 = b.gen_xdr()
systemdb.insert({
'type': 'ptx',
'name': 'ptx1',
'xdr': xdr1
})
####2 PREAUTH TX TWO #####
b2 = Builder(
secret = a_sk,
horizon_uri ='https://horizon.stellar.org',
network = 'TESTNET',
sequence = int(address.sequence)+3)
b2.append_payment_op(pi_pk, str(strike), UND, UND_pk)
b2.append_set_options_op(master_weight=1, low_threshold=0, med_threshold=0, high_threshold=0)
envelope2 = b2.gen_te()
hashish2 = envelope2.hash_meta()
xdr2 = b2.gen_xdr()
systemdb.insert({
'type': 'ptx',
'name': 'ptx2',
'xdr': xdr2
})
####2 PREAUTH TX THREE #####
b3 = Builder(
secret = a_sk,
horizon_uri ='https://horizon.stellar.org',
network = 'TESTNET',
sequence = int(address.sequence)+4)
b3.append_set_options_op(master_weight=1, low_threshold=0, med_threshold=0, high_threshold=0)
envelope3 = b3.gen_te()
hashish3 = envelope3.hash_meta()
xdr3 = b3.gen_xdr()
systemdb.insert({
'type': 'ptx',
'name': 'ptx3',
'xdr': xdr3
})
bX = Builder(secret = a_sk, network='TESTNET')
bX.append_pre_auth_tx_signer(hashish1, 1, source=None)
bX.append_pre_auth_tx_signer(hashish2, 1, source=None)
bX.append_pre_auth_tx_signer(hashish3, 1, source=None)
bX.sign()
print bX.submit()
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()
async def build_generate_escrow_wallet_transaction(
escrow_address: str,
transaction_source_address: str,
creator_address: str,
destination_address: str,
provider_address: str,
cost_per_transaction: Decimal,
starting_native_asset: Decimal,
starting_custom_asset: Decimal,
expiration_date: str = None,
sequence: str = None,
) -> Tuple[Any, str]:
'''Building transaction for generating escrow wallet with minimum balance of lumens
and return unsigned XDR and transaction hash.
Args:
* escrow_address: an address of new wallet
* destination_address: an address of wallet which is target
* transaction_source_address an address from wallet pool
* provider_address: an address which provides custom_asset to new wallet
* creator_address: an address of source wallet which is owner of the transaction.
* cost_per_transaction: cost for each promotion deals.
* starting_native_asset: starting amount of XLM.
* starting_custom_asset: starting amount of custom asset(HOT).
* expiration_date: a date when escrow address is terminated.
'''
builder = Builder(
address=transaction_source_address,
horizon=settings['HORIZON_URL'],
network=settings['PASSPHRASE'],
sequence=sequence,
)
builder.append_create_account_op(source=creator_address,
destination=escrow_address,
starting_balance=starting_native_asset)
try:
builder.append_trust_op(
source=escrow_address,
destination=settings['ISSUER'],
code=settings['ASSET_CODE'],
limit=settings['LIMIT_ASSET'],
)
except DecodeError:
raise web.HTTPBadRequest(
reason='Parameter escrow_address or issuer address are not valid.')
except Exception as e:
msg = str(e)
raise web.HTTPInternalServerError(reason=msg)
builder.append_manage_data_op(source=escrow_address,
data_name='creator_address',
data_value=creator_address)
builder.append_manage_data_op(source=escrow_address,
data_name='destination_address',
data_value=destination_address)
builder.append_manage_data_op(source=escrow_address,
data_name='provider_address',
data_value=provider_address)
if expiration_date:
builder.append_manage_data_op(source=escrow_address,
data_name='expiration_date',
data_value=expiration_date)
builder.append_manage_data_op(source=escrow_address,
data_name='cost_per_transaction',
data_value=str(cost_per_transaction))
builder.append_set_options_op(source=escrow_address,
signer_address=creator_address,
signer_type='ed25519PublicKey',
signer_weight=1)
builder.append_set_options_op(source=escrow_address,
signer_address=provider_address,
signer_type='ed25519PublicKey',
signer_weight=1)
builder.append_set_options_op(source=escrow_address,
master_weight=0,
low_threshold=2,
med_threshold=2,
high_threshold=2)
builder.append_payment_op(
source=provider_address,
destination=escrow_address,
asset_code=settings['ASSET_CODE'],
asset_issuer=settings['ISSUER'],
amount=starting_custom_asset,
)
try:
xdr = builder.gen_xdr()
except Exception as e:
raise web.HTTPBadRequest(
reason='Bad request, Please ensure parameters are valid.')
tx_hash = builder.te.hash_meta()
return xdr.decode(), binascii.hexlify(tx_hash).decode()
async def merge_account(main_address, tmp_address, tmp_seed):
account = Builder(address=tmp_address, secret=tmp_seed)
account.append_account_merge_op(destination=main_address)
account.sign()
return account.gen_xdr()
async def build_joint_wallet(
transaction_source_address: str,
deal_address: str,
parties: List,
creator: str,
starting_xlm: Decimal,
meta: str = None,
sequence: str = None,
):
"""Build transaction for create joint wallet, trust HOT and set option signer."""
def _add_signer(builder: Builder, deal_address: str, party: str,
amount: Decimal):
"""Set permission of parties can signed transaction that generate from joint account"""
builder.append_set_options_op(source=deal_address,
signer_address=party,
signer_type='ed25519PublicKey',
signer_weight=1)
builder.append_payment_op(
source=party,
destination=deal_address,
asset_code=settings['ASSET_CODE'],
asset_issuer=settings['ISSUER'],
amount=amount,
)
builder = Builder(
address=transaction_source_address,
horizon=settings['HORIZON_URL'],
network=settings['PASSPHRASE'],
sequence=sequence,
)
builder.append_create_account_op(source=creator,
destination=deal_address,
starting_balance=starting_xlm)
builder.append_trust_op(source=deal_address,
destination=settings['ISSUER'],
code=settings['ASSET_CODE'],
limit=settings['LIMIT_ASSET'])
builder.append_set_options_op(source=deal_address,
signer_address=creator,
signer_type='ed25519PublicKey',
signer_weight=1)
for party in parties:
_add_signer(builder, deal_address, party['address'], party['amount'])
if meta and isinstance(meta, dict):
for key, value in meta.items():
builder.append_manage_data_op(source=deal_address,
data_name=key,
data_value=value)
builder.append_manage_data_op(source=deal_address,
data_name='creator_address',
data_value=creator)
weight = len(parties) + 1
builder.append_set_options_op(source=deal_address,
master_weight=0,
low_threshold=weight,
med_threshold=weight,
high_threshold=weight)
xdr = builder.gen_xdr()
tx_hash = builder.te.hash_meta()
return xdr.decode(), binascii.hexlify(tx_hash).decode()
network = "TESTNET"
transactions_unsigned = []
with open("transactions.json", 'r') as tfile:
transactions_unsigned = json.load(tfile)
key = input("Signing Key: ")
amt_signed = 0
needed = 3
transactions = []
for xdr in transactions_unsigned:
builder = Builder(secret=key, network=network)
builder.import_from_xdr(xdr)
amt_signed = len(builder.te.signatures) + 1
builder.sign()
transactions.append(builder.gen_xdr().decode("utf-8"))
print("Added signature. Transactions now signed by %s/%s parties." %
(str(amt_signed), str(needed)))
if amt_signed >= needed:
print("Submitting " + str(len(transactions)) + "transactions")
i = 1
for xdr in transactions:
try:
response = horizon.submit(self.gen_xdr())
print("Transaction " + str(i) + " link: ",
response["_links"]["transaction"]["href"])
i += 1
except Exception as e:
raise e
