bc/
hashtypes.rs

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
// Bitcoin protocol consensus library.
//
// SPDX-License-Identifier: Apache-2.0
//
// Written in 2019-2024 by
//     Dr Maxim Orlovsky <orlovsky@lnp-bp.org>
//
// Copyright (C) 2019-2024 LNP/BP Standards Association. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use amplify::{Bytes20, Bytes32, Wrapper};
use commit_verify::{DigestExt, Ripemd160, Sha256};

use crate::{
    CompressedPk, LegacyPk, RedeemScript, UncompressedPk, WitnessScript, LIB_NAME_BITCOIN,
};

#[derive(Wrapper, Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash, Debug, From)]
#[wrapper(Index, RangeOps, AsSlice, BorrowSlice, Hex, Display, FromStr)]
#[derive(StrictType, StrictDumb, StrictEncode, StrictDecode)]
#[strict_type(lib = LIB_NAME_BITCOIN)]
#[cfg_attr(
    feature = "serde",
    derive(Serialize, Deserialize),
    serde(crate = "serde_crate", transparent)
)]
pub struct PubkeyHash(
    #[from]
    #[from([u8; 20])]
    pub Bytes20,
);

impl From<PubkeyHash> for [u8; 20] {
    fn from(value: PubkeyHash) -> Self { value.0.into_inner() }
}

impl From<CompressedPk> for PubkeyHash {
    fn from(pk: CompressedPk) -> Self {
        let mut engine = Sha256::default();
        engine.input_raw(&pk.to_byte_array());
        let mut engine2 = Ripemd160::default();
        engine2.input_raw(&engine.finish());
        Self(engine2.finish().into())
    }
}

impl From<UncompressedPk> for PubkeyHash {
    fn from(pk: UncompressedPk) -> Self {
        let mut engine = Sha256::default();
        engine.input_raw(&pk.to_byte_array());
        let mut engine2 = Ripemd160::default();
        engine2.input_raw(&engine.finish());
        Self(engine2.finish().into())
    }
}

impl From<LegacyPk> for PubkeyHash {
    fn from(pk: LegacyPk) -> Self {
        let mut engine = Sha256::default();
        engine.input_raw(&pk.to_vec());
        let mut engine2 = Ripemd160::default();
        engine2.input_raw(&engine.finish());
        Self(engine2.finish().into())
    }
}

#[derive(Wrapper, Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash, Debug, From)]
#[wrapper(Index, RangeOps, AsSlice, BorrowSlice, Hex, Display, FromStr)]
#[derive(StrictType, StrictDumb, StrictEncode, StrictDecode)]
#[strict_type(lib = LIB_NAME_BITCOIN)]
#[cfg_attr(
    feature = "serde",
    derive(Serialize, Deserialize),
    serde(crate = "serde_crate", transparent)
)]
pub struct ScriptHash(
    #[from]
    #[from([u8; 20])]
    pub Bytes20,
);

impl From<ScriptHash> for [u8; 20] {
    fn from(value: ScriptHash) -> Self { value.0.into_inner() }
}

impl From<&RedeemScript> for ScriptHash {
    fn from(redeem_script: &RedeemScript) -> Self {
        let mut engine = Sha256::default();
        engine.input_raw(redeem_script.as_slice());
        let mut engine2 = Ripemd160::default();
        engine2.input_raw(&engine.finish());
        Self(engine2.finish().into())
    }
}

#[derive(Wrapper, Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash, Debug, From)]
#[wrapper(Index, RangeOps, AsSlice, BorrowSlice, Hex, Display, FromStr)]
#[derive(StrictType, StrictDumb, StrictEncode, StrictDecode)]
#[strict_type(lib = LIB_NAME_BITCOIN)]
#[cfg_attr(
    feature = "serde",
    derive(Serialize, Deserialize),
    serde(crate = "serde_crate", transparent)
)]
pub struct WPubkeyHash(
    #[from]
    #[from([u8; 20])]
    pub Bytes20,
);

impl From<WPubkeyHash> for [u8; 20] {
    fn from(value: WPubkeyHash) -> Self { value.0.into_inner() }
}

impl From<CompressedPk> for WPubkeyHash {
    fn from(pk: CompressedPk) -> Self {
        let mut engine = Sha256::default();
        engine.input_raw(&pk.to_byte_array());
        let mut engine2 = Ripemd160::default();
        engine2.input_raw(&engine.finish());
        Self(engine2.finish().into())
    }
}

#[derive(Wrapper, Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash, Debug, From)]
#[wrapper(Index, RangeOps, AsSlice, BorrowSlice, Hex, Display, FromStr)]
#[derive(StrictType, StrictDumb, StrictEncode, StrictDecode)]
#[strict_type(lib = LIB_NAME_BITCOIN)]
#[cfg_attr(
    feature = "serde",
    derive(Serialize, Deserialize),
    serde(crate = "serde_crate", transparent)
)]
pub struct WScriptHash(
    #[from]
    #[from([u8; 32])]
    pub Bytes32,
);

impl From<WScriptHash> for [u8; 32] {
    fn from(value: WScriptHash) -> Self { value.0.into_inner() }
}

impl From<&WitnessScript> for WScriptHash {
    fn from(witness_script: &WitnessScript) -> Self {
        let mut engine = Sha256::default();
        engine.input_raw(witness_script.as_slice());
        let mut engine2 = Sha256::default();
        engine2.input_raw(&engine.finish());
        Self(engine2.finish().into())
    }
}