def test_to_xdr(self):
# GDF5O4OWEMVBY5FLDHWA5RZTYSV2U276XGKZZ6VSHDDR3THSQ6OQS7UM
source = Keypair.from_secret(
"SCCS5ZBI7WVIJ4SW36WGOQQIWJYCL3VOAULSXX3FB57USIO25EDOYQHH")
destination = "GDJJRRMBK4IWLEPJGIE6SXD2LP7REGZODU7WDC3I2D6MR37F4XSHBKX2"
amount = "1000.0"
sequence = 1
memo = IdMemo(100)
fee = 200
asset = Asset.native()
time_bounds = TimeBounds(12345, 56789)
ops = [
Payment(destination, asset, amount),
ManageData("hello", "world")
]
tx = Transaction(source, sequence, fee, ops, memo, time_bounds)
network = Network.public_network()
te = TransactionEnvelope(tx, network)
assert binascii.hexlify(te.hash()).decode() == te.hash_hex()
te.sign(source)
hashx = bytes.fromhex(
"94e8223a518ac16a8cb110ab1952ef14da2c10b264645c38c8b3d82bd2b20000")
te.sign_hashx(hashx)
te_xdr = "AAAAAMvXcdYjKhx0qxnsDsczxKuqa/65lZz6sjjHHczyh50JAAAAyAAAAAAAAAABAAAAAQAAAAAAADA5AAAAAAAA3dUAAAACAAAAAAAAAGQAAAACAAAAAAAAAAEAAAAA0pjFgVcRZZHpMgnpXHpb/xIbLh0/YYto0PzI7+Xl5HAAAAAAAAAAAlQL5AAAAAAAAAAACgAAAAVoZWxsbwAAAAAAAAEAAAAFd29ybGQAAAAAAAAAAAAAAvKHnQkAAABAM4dg0J1LEFBmbDESJ5d+60WCuZC8lnA80g45qyEgz2oRBSNw1mOfZETnL/BgrebkG/K03oI2Wqcs9lvDKrDGDE0sOBsAAAAglOgiOlGKwWqMsRCrGVLvFNosELJkZFw4yLPYK9KyAAA="
assert te.to_xdr() == te_xdr
restore_te = TransactionEnvelope.from_xdr(te_xdr, network)
assert restore_te.to_xdr() == te_xdr
def test_already_signed_raise(self):
# GDF5O4OWEMVBY5FLDHWA5RZTYSV2U276XGKZZ6VSHDDR3THSQ6OQS7UM
source = Keypair.from_secret(
"SCCS5ZBI7WVIJ4SW36WGOQQIWJYCL3VOAULSXX3FB57USIO25EDOYQHH")
destination = "GDJJRRMBK4IWLEPJGIE6SXD2LP7REGZODU7WDC3I2D6MR37F4XSHBKX2"
amount = "1000.0"
sequence = 1
memo = IdMemo(100)
fee = 200
asset = Asset.native()
time_bounds = TimeBounds(12345, 56789)
ops = [
Payment(destination, asset, amount),
ManageData("hello", "world")
]
tx = Transaction(source, sequence, fee, ops, memo, time_bounds)
network = Network.public_network()
te = TransactionEnvelope(tx, network)
assert binascii.hexlify(te.hash()).decode() == te.hash_hex()
# te.sign(source)
te.sign("SCCS5ZBI7WVIJ4SW36WGOQQIWJYCL3VOAULSXX3FB57USIO25EDOYQHH")
hashx = bytes.fromhex(
"94e8223a518ac16a8cb110ab1952ef14da2c10b264645c38c8b3d82bd2b20000")
te.sign_hashx(hashx)
with pytest.raises(SignatureExistError,
match="The keypair has already signed."):
te.sign(source)
with pytest.raises(SignatureExistError,
match="The preimage has already signed."):
te.sign_hashx(hashx)
def test_native_asset(self):
asset_1 = Asset("XLM")
asset_2 = Asset.native()
assert asset_1 == asset_2
assert asset_1.code == "XLM"
assert asset_1.issuer is None
assert asset_1.type == "native"
assert asset_1.to_dict() == {"type": "native"}
def test_to_xdr_v1(self):
# GDF5O4OWEMVBY5FLDHWA5RZTYSV2U276XGKZZ6VSHDDR3THSQ6OQS7UM
source = Keypair.from_secret(
"SCCS5ZBI7WVIJ4SW36WGOQQIWJYCL3VOAULSXX3FB57USIO25EDOYQHH")
destination = "GDJJRRMBK4IWLEPJGIE6SXD2LP7REGZODU7WDC3I2D6MR37F4XSHBKX2"
amount = "1000.0"
sequence = 1
memo = IdMemo(100)
fee = 200
asset = Asset.native()
time_bounds = TimeBounds(12345, 56789)
ops = [Payment(destination, asset, amount)]
tx = Transaction(source, sequence, fee, ops, memo, time_bounds, True)
te = TransactionEnvelope(tx, Network.PUBLIC_NETWORK_PASSPHRASE)
assert binascii.hexlify(te.hash()).decode() == te.hash_hex()
te.sign(source)
te_xdr = "AAAAAgAAAADL13HWIyocdKsZ7A7HM8Srqmv+uZWc+rI4xx3M8oedCQAAAMgAAAAAAAAAAQAAAAEAAAAAAAAwOQAAAAAAAN3VAAAAAgAAAAAAAABkAAAAAQAAAAAAAAABAAAAANKYxYFXEWWR6TIJ6Vx6W/8SGy4dP2GLaND8yO/l5eRwAAAAAAAAAAJUC+QAAAAAAAAAAAHyh50JAAAAQCXOQnmno3he687bKRtDc6+BXRUf8t+RnTuHy+sKf35UjfFiQbIge+txehmg0N61JsFWfwbL0JtgOjzyeZw5JAs="
assert te.to_xdr() == te_xdr
restore_te = TransactionEnvelope.from_xdr(
te_xdr, Network.PUBLIC_NETWORK_PASSPHRASE)
assert restore_te.to_xdr() == te_xdr
def test_endpoint(self):
horizon_url = "https://horizon.stellar.org"
client = RequestsClient()
with Server(horizon_url, client) as server:
assert server.accounts() == AccountsCallBuilder(
horizon_url, client)
assert server.assets() == AssetsCallBuilder(horizon_url, client)
assert server.claimable_balances() == ClaimableBalancesCallBuilder(
horizon_url, client)
assert server.data(
"GDV6FVHPY4JH7EEBSJYPQQYZA3OC6TKTM2TAXRHWT4EEL7BJ2BTDQT5D",
"hello") == DataCallBuilder(
horizon_url,
client,
"GDV6FVHPY4JH7EEBSJYPQQYZA3OC6TKTM2TAXRHWT4EEL7BJ2BTDQT5D",
"hello",
)
assert server.effects() == EffectsCallBuilder(horizon_url, client)
assert server.fee_stats() == FeeStatsCallBuilder(
horizon_url, client)
assert server.ledgers() == LedgersCallBuilder(horizon_url, client)
assert server.offers() == OffersCallBuilder(horizon_url, client)
assert server.operations() == OperationsCallBuilder(
horizon_url, client)
buying = Asset.native()
selling = Asset(
"MOE",
"GDV6FVHPY4JH7EEBSJYPQQYZA3OC6TKTM2TAXRHWT4EEL7BJ2BTDQT5D")
assert server.orderbook(buying, selling) == OrderbookCallBuilder(
horizon_url, client, buying, selling)
source = "GAYSHLG75RPSMXWJ5KX7O7STE6RSZTD6NE4CTWAXFZYYVYIFRUVJIBJH"
destination_asset = Asset(
"EUR",
"GDSBCQO34HWPGUGQSP3QBFEXVTSR2PW46UIGTHVWGWJGQKH3AFNHXHXN")
destination_amount = "20.0"
assert server.strict_receive_paths(
source, destination_asset,
destination_amount) == StrictReceivePathsCallBuilder(
horizon_url, client, source, destination_asset,
destination_amount)
source_asset = Asset(
"EUR",
"GDSBCQO34HWPGUGQSP3QBFEXVTSR2PW46UIGTHVWGWJGQKH3AFNHXHXN")
source_amount = "10.25"
destination = "GARSFJNXJIHO6ULUBK3DBYKVSIZE7SC72S5DYBCHU7DKL22UXKVD7MXP"
assert server.strict_send_paths(
source_asset, source_amount,
destination) == StrictSendPathsCallBuilder(
horizon_url, client, source_asset, source_amount,
destination)
assert server.payments() == PaymentsCallBuilder(
horizon_url, client)
assert server.root() == RootCallBuilder(horizon_url, client)
base = Asset.native()
counter = Asset(
"MOE",
"GDV6FVHPY4JH7EEBSJYPQQYZA3OC6TKTM2TAXRHWT4EEL7BJ2BTDQT5D")
resolution = 3600000
start_time = 1565272000000
end_time = 1565278000000
offset = 3600000
assert server.trade_aggregations(
base, counter, resolution, start_time, end_time,
offset) == TradeAggregationsCallBuilder(
horizon_url,
client,
base,
counter,
resolution,
start_time,
end_time,
offset,
)
assert server.trades() == TradesCallBuilder(horizon_url, client)
assert server.transactions() == TransactionsCallBuilder(
horizon_url, client)
class TestAsset:
@pytest.mark.parametrize("code", ["XCN", "Banana"])
def test_non_native_asset_without_issuer_raise(self, code):
with pytest.raises(
AssetIssuerInvalidError,
match="The issuer cannot be `None` except for the native asset.",
):
Asset(code)
@pytest.mark.parametrize("code", ["", "1234567890123", "ab_"])
def test_invalid_code(self, code):
with pytest.raises(
AssetCodeInvalidError,
match=r"Asset code is invalid \(maximum alphanumeric, 12 characters at max\).",
):
Asset(code, "GCEZWKCA5VLDNRLN3RPRJMRZOX3Z6G5CHCGSNFHEYVXM3XOJMDS674JZ")
@pytest.mark.parametrize(
"issuer",
["", "GCEZWKCA5", "GCEZWKCA5VLDNRLN3RPRJMRZOX3Z6G5CHCGSNFHEYVXM3XOJMDS67BAD"],
)
def test_invalid_issuer(self, issuer):
with pytest.raises(
AssetIssuerInvalidError, match="The issuer should be a correct public key."
):
Asset("XCN", issuer)
def test_native_asset(self):
asset_1 = Asset("XLM")
asset_2 = Asset.native()
assert asset_1 == asset_2
assert asset_1.code == "XLM"
assert asset_1.issuer is None
assert asset_1.type == "native"
assert asset_1.to_dict() == {"type": "native"}
def test_credit_alphanum4_asset(self):
code = "XCN"
issuer = "GCNY5OXYSY4FKHOPT2SPOQZAOEIGXB5LBYW3HVU3OWSTQITS65M5RCNY"
type = "credit_alphanum4"
asset = Asset(code, issuer)
assert asset.code == code
assert asset.issuer == issuer
assert asset.type == type
assert asset.to_dict() == {"type": type, "code": code, "issuer": issuer}
def test_credit_alphanum12_asset(self):
code = "Banana"
issuer = "GCNY5OXYSY4FKHOPT2SPOQZAOEIGXB5LBYW3HVU3OWSTQITS65M5RCNY"
type = "credit_alphanum12"
asset = Asset(code, issuer)
assert asset.code == code
assert asset.issuer == issuer
assert asset.type == type
assert asset.to_dict() == {"type": type, "code": code, "issuer": issuer}
def test_set_type_raise(self):
asset = Asset.native()
with pytest.raises(AttributeError, match="Asset type is immutable."):
asset.type = "credit_alphanum4"
def test_equals(self):
assert Asset(
"XCN", "GCNY5OXYSY4FKHOPT2SPOQZAOEIGXB5LBYW3HVU3OWSTQITS65M5RCNY"
) == Asset("XCN", "GCNY5OXYSY4FKHOPT2SPOQZAOEIGXB5LBYW3HVU3OWSTQITS65M5RCNY")
assert Asset(
"XCN", "GCNY5OXYSY4FKHOPT2SPOQZAOEIGXB5LBYW3HVU3OWSTQITS65M5RCNY"
) != Asset("USD", "GCNY5OXYSY4FKHOPT2SPOQZAOEIGXB5LBYW3HVU3OWSTQITS65M5RCNY")
assert (
Asset("XCN", "GCNY5OXYSY4FKHOPT2SPOQZAOEIGXB5LBYW3HVU3OWSTQITS65M5RCNY")
!= "BAD TYPE"
)
@pytest.mark.parametrize(
"asset, xdr",
[
pytest.param(Asset.native(), "AAAAAA==", id="native"),
pytest.param(
Asset(
"XCN", "GCNY5OXYSY4FKHOPT2SPOQZAOEIGXB5LBYW3HVU3OWSTQITS65M5RCNY"
),
"AAAAAVhDTgAAAAAAm466+JY4VR3PnqT3QyBxEGuHqw4ts9abdaU4InL3Wdg=",
id="alphanum4",
),
pytest.param(
Asset(
"CATCOIN",
"GDJVFDG5OCW5PYWHB64MGTHGFF57DRRJEDUEFDEL2SLNIOONHYJWHA3Z",
),
"AAAAAkNBVENPSU4AAAAAAAAAAADTUozdcK3X4scPuMNM5il78cYpIOhCjIvUltQ5zT4TYw==",
id="alphanum12",
),
],
)
def test_to_xdr_object(self, asset, xdr):
assert asset.to_xdr_object().to_xdr() == xdr
def test_from_xdr_object_native(self):
xdr_type = Xdr.const.ASSET_TYPE_NATIVE
xdr = Xdr.types.Asset(type=xdr_type)
asset = Asset.from_xdr_object(xdr)
assert asset.is_native()
def test_from_xdr_object_alphanum4(self):
code = "XCN"
issuer = "GCNY5OXYSY4FKHOPT2SPOQZAOEIGXB5LBYW3HVU3OWSTQITS65M5RCNY"
type = "credit_alphanum4"
x = Xdr.nullclass()
x.assetCode = bytearray(code, "ascii") + b"\x00"
x.issuer = Keypair.from_public_key(issuer).xdr_account_id()
xdr_type = Xdr.const.ASSET_TYPE_CREDIT_ALPHANUM4
xdr = Xdr.types.Asset(type=xdr_type, alphaNum4=x)
asset = Asset.from_xdr_object(xdr)
assert asset.code == code
assert asset.issuer == issuer
assert asset.type == type
def test_from_xdr_object_alphanum12(self):
code = "Banana"
issuer = "GCNY5OXYSY4FKHOPT2SPOQZAOEIGXB5LBYW3HVU3OWSTQITS65M5RCNY"
type = "credit_alphanum12"
x = Xdr.nullclass()
x.assetCode = bytearray(code, "ascii") + b"\x00" * 6
x.issuer = Keypair.from_public_key(issuer).xdr_account_id()
xdr_type = Xdr.const.ASSET_TYPE_CREDIT_ALPHANUM12
xdr = Xdr.types.Asset(type=xdr_type, alphaNum12=x)
asset = Asset.from_xdr_object(xdr)
assert asset.code == code
assert asset.issuer == issuer
assert asset.type == type
def test_set_type_raise(self):
asset = Asset.native()
with pytest.raises(AttributeError, match="Asset type is immutable."):
asset.type = "credit_alphanum4"
def test_endpoint(self):
horizon_url = "https://horizon.stellar.org"
client = RequestsClient()
with Server(horizon_url, client) as server:
assert server.accounts() == AccountsCallBuilder(
horizon_url, client)
assert server.assets() == AssetsCallBuilder(horizon_url, client)
assert server.effects() == EffectsCallBuilder(horizon_url, client)
assert server.fee_stats() == FeeStatsCallBuilder(
horizon_url, client)
assert server.ledgers() == LedgersCallBuilder(horizon_url, client)
assert server.offers(
"GDV6FVHPY4JH7EEBSJYPQQYZA3OC6TKTM2TAXRHWT4EEL7BJ2BTDQT5D"
) == OffersCallBuilder(
horizon_url,
client,
"GDV6FVHPY4JH7EEBSJYPQQYZA3OC6TKTM2TAXRHWT4EEL7BJ2BTDQT5D",
)
assert server.operations() == OperationsCallBuilder(
horizon_url, client)
buying = Asset.native()
selling = Asset(
"MOE",
"GDV6FVHPY4JH7EEBSJYPQQYZA3OC6TKTM2TAXRHWT4EEL7BJ2BTDQT5D")
assert server.orderbook(buying, selling) == OrderbookCallBuilder(
horizon_url, client, buying, selling)
source_account = "GABUVMDURJFF477AEDAXOG5TL7JBHGDAKJQLH5K6FB5QONMLEV52C6IO"
destination_account = (
"GDV6FVHPY4JH7EEBSJYPQQYZA3OC6TKTM2TAXRHWT4EEL7BJ2BTDQT5D")
destination_asset = Asset.native()
destination_amount = "100.0"
assert server.paths(
source_account,
destination_account,
destination_asset,
destination_amount,
) == PathsCallBuilder(
horizon_url,
client,
source_account,
destination_account,
destination_asset,
destination_amount,
)
assert server.payments() == PaymentsCallBuilder(
horizon_url, client)
assert server.root() == RootCallBuilder(horizon_url, client)
base = Asset.native()
counter = Asset(
"MOE",
"GDV6FVHPY4JH7EEBSJYPQQYZA3OC6TKTM2TAXRHWT4EEL7BJ2BTDQT5D")
resolution = 3600000
start_time = 1565272000000
end_time = 1565278000000
offset = 3600000
assert server.trade_aggregations(
base, counter, resolution, start_time, end_time,
offset) == TradeAggregationsCallBuilder(
horizon_url,
client,
base,
counter,
resolution,
start_time,
end_time,
offset,
)
assert server.trades() == TradesCallBuilder(horizon_url, client)
assert server.transactions() == TransactionsCallBuilder(
horizon_url, client)
