def test_conversions() -> None:
for trap_float_operation in (True, False):
with localcontext() as ctx:
ctx.traps[FloatOperation] = trap_float_operation
float_1 = 1.1
float_2 = 2.2
float_tot = float_1 + float_2
# _NOT_ equal !!
assert float_tot != 3.3
btc_1 = Decimal("1.1")
btc_2 = Decimal("2.2")
btc_tot = btc_1 + btc_2
# equal !!
assert btc_tot == Decimal("3.3")
assert btc_from_sats(10000) == Decimal("0.00010000")
assert str(btc_from_sats(10000)) != str(Decimal("0.00010000"))
assert str(btc_from_sats(10000)) == str(Decimal("0.00010000").normalize())
assert btc_from_sats(10000) == Decimal("0.0001")
assert str(btc_from_sats(10000)) == str(Decimal("0.0001"))
assert valid_btc_amount(None) == 0
assert valid_sats_amount(None) == 0
def test_exceptions() -> None:
for trap_float_operation in (True, False):
with localcontext() as ctx:
ctx.traps[FloatOperation] = trap_float_operation
err_msg = "invalid satoshi amount: "
with pytest.raises(BTClibValueError, match=err_msg):
btc_from_sats(2_099_999_997_690_001)
err_msg = "invalid BTC amount: "
with pytest.raises(BTClibValueError, match=err_msg):
sats_from_btc(Decimal("20_999_999.97690001"))
err_msg = "too many decimals for a BTC amount: "
with pytest.raises(BTClibValueError, match=err_msg):
sats_from_btc(Decimal("0.123456789"))
with pytest.raises(BTClibValueError, match=err_msg):
valid_btc_amount(0.123456789)
with pytest.raises(BTClibValueError, match=err_msg):
sats_from_btc(1 / (1 + pow(2, 8)))
with pytest.raises(TypeError):
btc_from_sats(2.5) # type: ignore
with pytest.raises(TypeError):
btc_from_sats(5 / 2) # type: ignore
with pytest.raises(ValueError):
btc_from_sats("2.5") # type: ignore
err_msg = "non-integer satoshi amount: "
with pytest.raises(BTClibTypeError, match=err_msg):
btc_from_sats(Decimal("2.5")) # type: ignore
def to_dict(self, check_validity: bool = True) -> Dict[str, Any]:
if check_validity:
self.assert_valid()
script = self.script_pub_key.script
return {
"value": str(btc_from_sats(self.value)),
"scriptPubKey": script.hex(),
"type": self.script_pub_key.type,
"reqSigs": None, # FIXME
"addresses": self.script_pub_key.addresses,
"network": self.script_pub_key.network,
}
def test_self_consistency() -> None:
for trap_float_operation in (True, False):
with localcontext() as ctx:
ctx.traps[FloatOperation] = trap_float_operation
# 8.50390625 = 2177 / pow(2, 8)
# 8.50390625 * 100_000_000 is 850390625.0
# 8.50492428 * 100_000_000 is 850492427.9999999
btc_amounts = [0, 1, 8.50390625, 8.50492428]
cases: List[Union[int, float, str, Decimal]] = []
for num in btc_amounts:
cases += [num, float(num), str(num), f"{num:.7E}", Decimal(str(num))]
for btc_amount in cases:
exp_btc = Decimal(str(btc_amount)).normalize()
btc = btc_from_sats(sats_from_btc(btc_amount)) # type: ignore
assert btc == exp_btc
assert str(btc) == str(exp_btc)
def assert_valid(self) -> None:
btc_from_sats(self.value)
self.script_pub_key.assert_valid()