fuel-core-storage 0.45.0

Storage types and primitives used by Fuel core protocol.
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

//! The module contains implementations and tests for the `ContractsAssets` table.

#[cfg(feature = "smt")]
mod smt {
    use crate::{
        Mappable,
        blueprint::sparse::{
            PrimaryKey,
            Sparse,
        },
        codec::{
            primitive::Primitive,
            raw::Raw,
        },
        column::Column,
        structured_storage::TableWithBlueprint,
        tables::{
            ContractsAssets,
            merkle::{
                ContractsAssetsMerkleData,
                ContractsAssetsMerkleMetadata,
            },
        },
    };
    use alloc::borrow::Cow;

    /// The key convertor used to convert the key from the `ContractsAssets` table
    /// to the key of the `ContractsAssetsMerkleMetadata` table.
    pub struct KeyConverter;

    impl PrimaryKey for KeyConverter {
        type InputKey = <ContractsAssets as Mappable>::Key;
        type OutputKey = <ContractsAssetsMerkleMetadata as Mappable>::Key;

        fn primary_key(key: &Self::InputKey) -> Cow<Self::OutputKey> {
            Cow::Borrowed(key.contract_id())
        }
    }

    impl TableWithBlueprint for ContractsAssets {
        type Blueprint = Sparse<
            Raw,
            Primitive<8>,
            ContractsAssetsMerkleMetadata,
            ContractsAssetsMerkleData,
            KeyConverter,
        >;
        type Column = Column;

        fn column() -> Column {
            Column::ContractsAssets
        }
    }

    #[cfg(test)]
    #[allow(non_snake_case)]
    mod test {
        use rand::{
            Rng,
            prelude::StdRng,
        };

        use crate::blueprint::sparse::root_storage_tests_smt::{
            SMTTestDataGenerator,
            Wrapper,
        };

        use super::*;

        fn generate_key(
            primary_key: &<ContractsAssetsMerkleMetadata as Mappable>::Key,
            rng: &mut impl rand::Rng,
        ) -> <ContractsAssets as Mappable>::Key {
            let mut bytes = [0u8; 32];
            rng.fill(bytes.as_mut());
            <ContractsAssets as Mappable>::Key::new(primary_key, &bytes.into())
        }

        fn generate_key_for_same_contract(
            rng: &mut impl rand::Rng,
        ) -> <ContractsAssets as Mappable>::Key {
            generate_key(&fuel_core_types::fuel_tx::ContractId::zeroed(), rng)
        }

        crate::basic_storage_tests!(
            ContractsAssets,
            <ContractsAssets as Mappable>::Key::default(),
            <ContractsAssets as Mappable>::Value::default(),
            <ContractsAssets as Mappable>::Value::default(),
            generate_key_for_same_contract
        );

        impl SMTTestDataGenerator for ContractsAssets {
            type Key = <ContractsAssets as Mappable>::Key;
            type PrimaryKey = <ContractsAssetsMerkleMetadata as Mappable>::Key;
            type Value = Wrapper<<ContractsAssets as Mappable>::Value>;

            fn primary_key() -> Self::PrimaryKey {
                <ContractsAssetsMerkleMetadata as Mappable>::Key::from([1u8; 32])
            }

            fn foreign_key() -> Self::PrimaryKey {
                <ContractsAssetsMerkleMetadata as Mappable>::Key::from([2u8; 32])
            }

            fn generate_key(
                current_key: &Self::PrimaryKey,
                rng: &mut StdRng,
            ) -> Self::Key {
                let mut bytes = [0u8; 32];
                rng.fill(bytes.as_mut());
                <ContractsAssets as Mappable>::Key::new(current_key, &bytes.into())
            }

            fn generate_value(rng: &mut StdRng) -> Self::Value {
                Wrapper(rng.r#gen())
            }
        }

        crate::root_storage_tests!(ContractsAssets);
    }
}

#[cfg(not(feature = "smt"))]
mod plain {
    use crate::{
        blueprint::plain::Plain,
        codec::{
            primitive::Primitive,
            raw::Raw,
        },
        column::Column,
        structured_storage::TableWithBlueprint,
        tables::ContractsAssets,
    };

    impl TableWithBlueprint for ContractsAssets {
        type Blueprint = Plain<Raw, Primitive<8>>;
        type Column = Column;

        fn column() -> Column {
            Column::ContractsAssets
        }
    }

    #[cfg(test)]
    mod test {
        use super::*;
        use crate::Mappable;
        use fuel_core_types::fuel_tx::ContractId;

        fn generate_key(
            primary_key: &ContractId,
            rng: &mut impl rand::Rng,
        ) -> <ContractsAssets as Mappable>::Key {
            let mut bytes = [0u8; 32];
            rng.fill(bytes.as_mut());
            <ContractsAssets as Mappable>::Key::new(primary_key, &bytes.into())
        }

        fn generate_key_for_same_contract(
            rng: &mut impl rand::Rng,
        ) -> <ContractsAssets as Mappable>::Key {
            generate_key(&fuel_core_types::fuel_tx::ContractId::zeroed(), rng)
        }

        crate::basic_storage_tests!(
            ContractsAssets,
            <ContractsAssets as Mappable>::Key::default(),
            <ContractsAssets as Mappable>::Value::default(),
            <ContractsAssets as Mappable>::Value::default(),
            generate_key_for_same_contract
        );
    }
}