pyln: extend msat floating testcases
This adds two more xfail'ing testcases to show that the current way of parsing Millisatoshi decimals is not yet optimal. Changelog-None
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@ -53,11 +53,221 @@ def test_floats():
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# test floating point arithmetic
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amount = Millisatoshi("1000msat") * 0.1
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assert int(amount) == 100
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amount = Millisatoshi("100msat") * 0.1
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assert int(amount) == 10
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amount = Millisatoshi("10msat") * 0.1
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assert int(amount) == 1
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def test_zero():
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# zero amounts are of course valid
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amount = Millisatoshi("0btc")
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assert int(amount) == 0
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amount = Millisatoshi("0sat")
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assert int(amount) == 0
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amount = Millisatoshi("0msat")
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assert int(amount) == 0
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# zero floating amount as well
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amount = Millisatoshi("0.0btc")
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assert int(amount) == 0
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amount = Millisatoshi("0.0sat")
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assert int(amount) == 0
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amount = Millisatoshi("0.0msat")
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assert int(amount) == 0
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# also anything multiplied by zero
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amount = Millisatoshi("1btc") * 0
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assert int(amount) == 0
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amount = Millisatoshi("1sat") * 0
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assert int(amount) == 0
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amount = Millisatoshi("1msat") * 0
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assert int(amount) == 0
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# and multiplied by a floating zero
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amount = Millisatoshi("1btc") * 0.0
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assert int(amount) == 0
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amount = Millisatoshi("1sat") * 0.0
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assert int(amount) == 0
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amount = Millisatoshi("1msat") * 0.0
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assert int(amount) == 0
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@pytest.mark.xfail
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def test_round_zero():
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# everything below 1msat should round down to zero
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amount = Millisatoshi("1msat") * 0.9
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assert int(amount) == 0
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amount = Millisatoshi("10msat") * 0.09
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assert int(amount) == 0
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amount = Millisatoshi("100msat") * 0.009
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assert int(amount) == 0
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amount = Millisatoshi("1000msat") * 0.0009
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assert int(amount) == 0
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amount = Millisatoshi("1sat") * 0.0009
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assert int(amount) == 0
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amount = Millisatoshi("0.1sat") * 0.009
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assert int(amount) == 0
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amount = Millisatoshi("0.01sat") * 0.09
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assert int(amount) == 0
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amount = Millisatoshi("0.001sat") * 0.9
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assert int(amount) == 0
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amount = Millisatoshi("10sat") * 0.00009
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assert int(amount) == 0
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amount = Millisatoshi("100sat") * 0.000009
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assert int(amount) == 0
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amount = Millisatoshi("1000sat") * 0.0000009
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assert int(amount) == 0
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amount = Millisatoshi("10000sat") * 0.00000009
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assert int(amount) == 0
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amount = Millisatoshi("10000sat") * 0.00000009
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assert int(amount) == 0
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amount = Millisatoshi("1btc") * 0.000000000009
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assert int(amount) == 0
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amount = Millisatoshi("0.1btc") * 0.00000000009
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assert int(amount) == 0
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amount = Millisatoshi("0.01btc") * 0.0000000009
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assert int(amount) == 0
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amount = Millisatoshi("0.001btc") * 0.000000009
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assert int(amount) == 0
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amount = Millisatoshi("0.0001btc") * 0.00000009
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assert int(amount) == 0
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amount = Millisatoshi("0.00001btc") * 0.0000009
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assert int(amount) == 0
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amount = Millisatoshi("0.000001btc") * 0.000009
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assert int(amount) == 0
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amount = Millisatoshi("0.0000001btc") * 0.00009
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assert int(amount) == 0
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amount = Millisatoshi("0.00000001btc") * 0.0009
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assert int(amount) == 0
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amount = Millisatoshi("0.000000001btc") * 0.009
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assert int(amount) == 0
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amount = Millisatoshi("0.0000000001btc") * 0.09
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assert int(amount) == 0
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amount = Millisatoshi("0.00000000001btc") * 0.9
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assert int(amount) == 0
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@pytest.mark.xfail
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def test_round_down():
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# sub msat significatns should be floored
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amount = Millisatoshi("2msat") * 0.9
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assert int(amount) == 1
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amount = Millisatoshi("20msat") * 0.09
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assert int(amount) == 1
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amount = Millisatoshi("200msat") * 0.009
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assert int(amount) == 1
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amount = Millisatoshi("2000msat") * 0.0009
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assert int(amount) == 1
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amount = Millisatoshi("2sat") * 0.0009
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assert int(amount) == 1
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amount = Millisatoshi("0.2sat") * 0.009
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assert int(amount) == 1
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amount = Millisatoshi("0.02sat") * 0.09
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assert int(amount) == 1
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amount = Millisatoshi("0.002sat") * 0.9
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assert int(amount) == 1
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amount = Millisatoshi("20sat") * 0.00009
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assert int(amount) == 1
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amount = Millisatoshi("200sat") * 0.000009
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assert int(amount) == 1
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amount = Millisatoshi("2000sat") * 0.0000009
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assert int(amount) == 1
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amount = Millisatoshi("20000sat") * 0.00000009
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assert int(amount) == 1
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amount = Millisatoshi("20000sat") * 0.00000009
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assert int(amount) == 1
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amount = Millisatoshi("2btc") * 0.000000000009
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assert int(amount) == 1
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amount = Millisatoshi("0.2btc") * 0.00000000009
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assert int(amount) == 1
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amount = Millisatoshi("0.02btc") * 0.0000000009
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assert int(amount) == 1
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amount = Millisatoshi("0.002btc") * 0.000000009
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assert int(amount) == 1
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amount = Millisatoshi("0.0002btc") * 0.00000009
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assert int(amount) == 1
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amount = Millisatoshi("0.00002btc") * 0.0000009
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assert int(amount) == 1
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amount = Millisatoshi("0.000002btc") * 0.000009
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assert int(amount) == 1
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amount = Millisatoshi("0.0000002btc") * 0.00009
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assert int(amount) == 1
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amount = Millisatoshi("0.00000002btc") * 0.0009
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assert int(amount) == 1
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amount = Millisatoshi("0.000000002btc") * 0.009
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assert int(amount) == 1
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amount = Millisatoshi("0.0000000002btc") * 0.09
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assert int(amount) == 1
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amount = Millisatoshi("0.00000000002btc") * 0.9
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assert int(amount) == 1
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def test_nosubmsat():
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# sub millisatoshi are not a concept yet
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with pytest.raises(ValueError, match='Millisatoshi must be a whole number'):
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amount = Millisatoshi("0.000000000001btc")
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Millisatoshi("0.1msat")
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with pytest.raises(ValueError, match='Millisatoshi must be a whole number'):
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amount = Millisatoshi("0.0001sat")
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Millisatoshi(".1msat")
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with pytest.raises(ValueError, match='Millisatoshi must be a whole number'):
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amount = Millisatoshi("0.1msat")
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Millisatoshi("0.0001sat")
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with pytest.raises(ValueError, match='Millisatoshi must be a whole number'):
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Millisatoshi(".0001sat")
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with pytest.raises(ValueError, match='Millisatoshi must be a whole number'):
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Millisatoshi("0.000000000001btc")
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with pytest.raises(ValueError, match='Millisatoshi must be a whole number'):
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Millisatoshi(".000000000001btc")
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def test_nonegative():
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with pytest.raises(ValueError, match='Millisatoshi must be >= 0'):
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Millisatoshi("-1btc")
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with pytest.raises(ValueError, match='Millisatoshi must be >= 0'):
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Millisatoshi("-1.0btc")
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with pytest.raises(ValueError, match='Millisatoshi must be >= 0'):
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Millisatoshi("-0.1btc")
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with pytest.raises(ValueError, match='Millisatoshi must be >= 0'):
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Millisatoshi("-.1btc")
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with pytest.raises(ValueError, match='Millisatoshi must be >= 0'):
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Millisatoshi("-1sat")
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with pytest.raises(ValueError, match='Millisatoshi must be >= 0'):
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Millisatoshi("-1.0sat")
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with pytest.raises(ValueError, match='Millisatoshi must be >= 0'):
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Millisatoshi("-0.1sat")
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with pytest.raises(ValueError, match='Millisatoshi must be >= 0'):
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Millisatoshi("-.1sat")
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with pytest.raises(ValueError, match='Millisatoshi must be >= 0'):
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Millisatoshi("-1msat")
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with pytest.raises(ValueError, match='Millisatoshi must be >= 0'):
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Millisatoshi("-1.0msat")
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with pytest.raises(ValueError, match='Millisatoshi must be >= 0'):
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Millisatoshi("1msat") * -1
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with pytest.raises(ValueError, match='Millisatoshi must be >= 0'):
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Millisatoshi("1msat") * -42
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with pytest.raises(ValueError, match='Millisatoshi must be >= 0'):
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Millisatoshi("1sat") * -1
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with pytest.raises(ValueError, match='Millisatoshi must be >= 0'):
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Millisatoshi("1btc") * -1
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with pytest.raises(ValueError, match='Millisatoshi must be >= 0'):
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Millisatoshi("1msat") / -1
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with pytest.raises(ValueError, match='Millisatoshi must be >= 0'):
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Millisatoshi("1msat") / -0.5
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with pytest.raises(ValueError, match='Millisatoshi must be >= 0'):
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Millisatoshi("1sat") / -1
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with pytest.raises(ValueError, match='Millisatoshi must be >= 0'):
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Millisatoshi("1btc") / -1
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with pytest.raises(ValueError, match='Millisatoshi must be >= 0'):
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Millisatoshi("1msat") // -1
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with pytest.raises(ValueError, match='Millisatoshi must be >= 0'):
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Millisatoshi("1sat") // -1
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with pytest.raises(ValueError, match='Millisatoshi must be >= 0'):
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Millisatoshi("1btc") // -1
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