chia 0.42.0

A meta-crate that exports all of the Chia crates in the workspace.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179

from __future__ import annotations

from pytest import raises

from run_gen import DEFAULT_CONSTANTS

from chia_rs import (
    calculate_ip_iters,
    expected_plot_size,
    calculate_sp_iters,
    is_overflow_block,
)

from chia_rs.sized_ints import uint8, uint16, uint32, uint64

test_constants = DEFAULT_CONSTANTS.replace(
    NUM_SPS_SUB_SLOT=uint8(32), SUB_SLOT_TIME_TARGET=uint16(300)
)


class TestPotIterations:
    def test_is_overflow_block(self) -> None:
        assert not is_overflow_block(
            test_constants,
            uint8(27),
        )
        assert not is_overflow_block(
            test_constants,
            uint8(28),
        )
        assert is_overflow_block(
            test_constants,
            uint8(29),
        )
        assert is_overflow_block(
            test_constants,
            uint8(30),
        )
        assert is_overflow_block(
            test_constants,
            uint8(31),
        )
        with raises(ValueError):
            assert is_overflow_block(
                test_constants,
                uint8(32),
            )

    def test_calculate_sp_iters(self) -> None:
        ssi: uint64 = uint64(100001 * 64 * 4)
        with raises(ValueError):
            calculate_sp_iters(test_constants, ssi, uint8(32))
        calculate_sp_iters(test_constants, ssi, uint8(31))

    def test_expected_plot_size(self) -> None:
        assert (
            expected_plot_size(32) == 139586437120
        )  # number retrieved from old implementation
        assert (
            expected_plot_size(33) == 287762808832
        )  # number retrieved from old implementation
        assert (
            expected_plot_size(34) == 592705486848
        )  # number retrieved from old implementation
        assert (
            expected_plot_size(35) == 1219770712064
        )  # number retrieved from old implementation
        assert (
            expected_plot_size(36) == 2508260900864
        )  # number retrieved from old implementation

    def test_calculate_ip_iters(self) -> None:
        # num_sps_sub_slot: u8,
        # num_sp_intervals_extra: u8,
        # sub_slot_iters: u64,
        # signage_point_index: u8,
        # required_iters: u64,
        ssi: uint64 = uint64(100001 * 64 * 4)
        sp_interval_iters = uint64(ssi // test_constants.NUM_SPS_SUB_SLOT)

        with raises(ValueError):
            # Invalid signage point index
            calculate_ip_iters(
                test_constants,
                ssi,
                uint8(123),
                uint64(100000),
            )

        sp_iters = sp_interval_iters * 13

        with raises(ValueError):
            # required_iters too high
            calculate_ip_iters(
                test_constants,
                ssi,
                uint8(255),
                sp_interval_iters,
            )

        with raises(ValueError):
            # required_iters too high
            calculate_ip_iters(
                test_constants,
                ssi,
                uint8(255),
                uint64(sp_interval_iters * 12),
            )

        with raises(ValueError):
            # required_iters too low (0)
            calculate_ip_iters(
                test_constants,
                ssi,
                uint8(255),
                uint64(0),
            )

        required_iters = uint64(sp_interval_iters - 1)
        ip_iters = calculate_ip_iters(
            test_constants,
            ssi,
            uint8(13),
            required_iters,
        )
        assert (
            ip_iters
            == sp_iters
            + test_constants.NUM_SP_INTERVALS_EXTRA * sp_interval_iters
            + required_iters
        )

        required_iters = uint64(1)
        ip_iters = calculate_ip_iters(
            test_constants,
            ssi,
            uint8(13),
            required_iters,
        )
        assert (
            ip_iters
            == sp_iters
            + test_constants.NUM_SP_INTERVALS_EXTRA * sp_interval_iters
            + required_iters
        )

        required_iters = uint64(int(ssi * 4 / 300))
        ip_iters = calculate_ip_iters(
            test_constants,
            ssi,
            uint8(13),
            required_iters,
        )
        assert (
            ip_iters
            == sp_iters
            + test_constants.NUM_SP_INTERVALS_EXTRA * sp_interval_iters
            + required_iters
        )
        assert sp_iters < ip_iters

        # Overflow
        sp_iters = sp_interval_iters * (test_constants.NUM_SPS_SUB_SLOT - 1)
        ip_iters = calculate_ip_iters(
            test_constants,
            ssi,
            uint8(test_constants.NUM_SPS_SUB_SLOT - 1),
            required_iters,
        )
        assert (
            ip_iters
            == (
                sp_iters
                + test_constants.NUM_SP_INTERVALS_EXTRA * sp_interval_iters
                + required_iters
            )
            % ssi
        )
        assert sp_iters > ip_iters