darkfi_money_contract/
error.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
/* This file is part of DarkFi (https://dark.fi)
 *
 * Copyright (C) 2020-2025 Dyne.org foundation
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

use darkfi_sdk::error::ContractError;

#[derive(Debug, Clone, thiserror::Error)]
// TODO: Make generic contract common errors like
// ParentCallFunctionMismatch
pub enum MoneyError {
    #[error("Missing inputs in transfer call")]
    TransferMissingInputs,

    #[error("Missing outputs in transfer call")]
    TransferMissingOutputs,

    #[error("Clear input used non-native token")]
    TransferClearInputNonNativeToken,

    #[error("Clear input used unauthorised pubkey")]
    TransferClearInputUnauthorised,

    #[error("Merkle root not found in previous state")]
    TransferMerkleRootNotFound,

    #[error("Duplicate nullifier found")]
    DuplicateNullifier,

    #[error("Duplicate coin found")]
    DuplicateCoin,

    #[error("Value commitment mismatch")]
    ValueMismatch,

    #[error("Token commitment mismatch")]
    TokenMismatch,

    #[error("Invalid number of inputs")]
    InvalidNumberOfInputs,

    #[error("Invalid number of outputs")]
    InvalidNumberOfOutputs,

    #[error("Spend hook is not zero")]
    SpendHookNonZero,

    #[error("Merkle root not found in previous state")]
    SwapMerkleRootNotFound,

    #[error("Token ID does not derive from mint authority")]
    TokenIdDoesNotDeriveFromMint,

    #[error("Token mint is frozen")]
    TokenMintFrozen,

    #[error("Parent call function mismatch")]
    ParentCallFunctionMismatch,

    #[error("Parent call input mismatch")]
    ParentCallInputMismatch,

    #[error("Child call function mismatch")]
    ChildCallFunctionMismatch,

    #[error("Child call input mismatch")]
    ChildCallInputMismatch,

    #[error("Call is not executed on genesis block")]
    GenesisCallNonGenesisBlock,

    #[error("Missing nullifier in set")]
    MissingNullifier,

    #[error("Call is executed on genesis block height")]
    PoWRewardCallOnGenesisBlock,

    #[error("Could not retrieve last block height from db")]
    PoWRewardRetrieveLastBlockHeightError,

    #[error("Call is not executed on next block height")]
    PoWRewardCallNotOnNextBlockHeight,

    #[error("No inputs in fee call")]
    FeeMissingInputs,

    #[error("Insufficient fee paid")]
    InsufficientFee,

    // TODO: This should catch-all (TransferMerkle../SwapMerkle...)
    #[error("Coin merkle root not found")]
    CoinMerkleRootNotFound,

    #[error("Roots value data length missmatch")]
    RootsValueDataMismatch,

    #[error("Children indexes length missmatch")]
    ChildrenIndexesLengthMismatch,
}

impl From<MoneyError> for ContractError {
    fn from(e: MoneyError) -> Self {
        match e {
            MoneyError::TransferMissingInputs => Self::Custom(1),
            MoneyError::TransferMissingOutputs => Self::Custom(2),
            MoneyError::TransferClearInputNonNativeToken => Self::Custom(3),
            MoneyError::TransferClearInputUnauthorised => Self::Custom(4),
            MoneyError::TransferMerkleRootNotFound => Self::Custom(5),
            MoneyError::DuplicateNullifier => Self::Custom(6),
            MoneyError::DuplicateCoin => Self::Custom(7),
            MoneyError::ValueMismatch => Self::Custom(8),
            MoneyError::TokenMismatch => Self::Custom(9),
            MoneyError::InvalidNumberOfInputs => Self::Custom(10),
            MoneyError::InvalidNumberOfOutputs => Self::Custom(11),
            MoneyError::SpendHookNonZero => Self::Custom(12),
            MoneyError::SwapMerkleRootNotFound => Self::Custom(13),
            MoneyError::TokenIdDoesNotDeriveFromMint => Self::Custom(14),
            MoneyError::TokenMintFrozen => Self::Custom(15),
            MoneyError::ParentCallFunctionMismatch => Self::Custom(16),
            MoneyError::ParentCallInputMismatch => Self::Custom(17),
            MoneyError::ChildCallFunctionMismatch => Self::Custom(18),
            MoneyError::ChildCallInputMismatch => Self::Custom(19),
            MoneyError::GenesisCallNonGenesisBlock => Self::Custom(20),
            MoneyError::MissingNullifier => Self::Custom(21),
            MoneyError::PoWRewardCallOnGenesisBlock => Self::Custom(22),
            MoneyError::PoWRewardRetrieveLastBlockHeightError => Self::Custom(23),
            MoneyError::PoWRewardCallNotOnNextBlockHeight => Self::Custom(24),
            MoneyError::FeeMissingInputs => Self::Custom(25),
            MoneyError::InsufficientFee => Self::Custom(26),
            MoneyError::CoinMerkleRootNotFound => Self::Custom(27),
            MoneyError::RootsValueDataMismatch => Self::Custom(28),
            MoneyError::ChildrenIndexesLengthMismatch => Self::Custom(29),
        }
    }
}