cdk_common/
error.rs

1//! Errors
2
3use std::array::TryFromSliceError;
4use std::fmt;
5
6#[cfg(feature = "mint")]
7use cashu::quote_id::QuoteId;
8use cashu::{CurrencyUnit, PaymentMethod};
9use serde::{Deserialize, Deserializer, Serialize, Serializer};
10use serde_json::Value;
11use thiserror::Error;
12
13use crate::nuts::Id;
14#[cfg(feature = "mint")]
15use crate::payment::PaymentIdentifier;
16use crate::util::hex;
17#[cfg(feature = "wallet")]
18use crate::wallet::WalletKey;
19use crate::Amount;
20
21/// CDK Error
22#[derive(Debug, Error)]
23pub enum Error {
24    /// Mint does not have a key for amount
25    #[error("No Key for Amount")]
26    AmountKey,
27    /// Keyset is not known
28    #[error("Keyset id not known: `{0}`")]
29    KeysetUnknown(Id),
30    /// Unsupported unit
31    #[error("Unit unsupported")]
32    UnsupportedUnit,
33    /// Payment failed
34    #[error("Payment failed")]
35    PaymentFailed,
36    /// Payment pending
37    #[error("Payment pending")]
38    PaymentPending,
39    /// Invoice already paid
40    #[error("Request already paid")]
41    RequestAlreadyPaid,
42    /// Invalid payment request
43    #[error("Invalid payment request")]
44    InvalidPaymentRequest,
45    /// Bolt11 invoice does not have amount
46    #[error("Invoice Amount undefined")]
47    InvoiceAmountUndefined,
48    /// Split Values must be less then or equal to amount
49    #[error("Split Values must be less then or equal to amount")]
50    SplitValuesGreater,
51    /// Amount overflow
52    #[error("Amount Overflow")]
53    AmountOverflow,
54    /// Over issue - tried to issue more than paid
55    #[error("Cannot issue more than amount paid")]
56    OverIssue,
57    /// Witness missing or invalid
58    #[error("Signature missing or invalid")]
59    SignatureMissingOrInvalid,
60    /// Amountless Invoice Not supported
61    #[error("Amount Less Invoice is not allowed")]
62    AmountLessNotAllowed,
63    /// Multi-Part Internal Melt Quotes are not supported
64    #[error("Multi-Part Internal Melt Quotes are not supported")]
65    InternalMultiPartMeltQuote,
66    /// Multi-Part Payment not supported for unit and method
67    #[error("Multi-Part payment is not supported for unit `{0}` and method `{1}`")]
68    MppUnitMethodNotSupported(CurrencyUnit, PaymentMethod),
69    /// Clear Auth Required
70    #[error("Clear Auth Required")]
71    ClearAuthRequired,
72    /// Blind Auth Required
73    #[error("Blind Auth Required")]
74    BlindAuthRequired,
75    /// Clear Auth Failed
76    #[error("Clear Auth Failed")]
77    ClearAuthFailed,
78    /// Blind Auth Failed
79    #[error("Blind Auth Failed")]
80    BlindAuthFailed,
81    /// Auth settings undefined
82    #[error("Auth settings undefined")]
83    AuthSettingsUndefined,
84    /// Mint time outside of tolerance
85    #[error("Mint time outside of tolerance")]
86    MintTimeExceedsTolerance,
87    /// Insufficient blind auth tokens
88    #[error("Insufficient blind auth tokens, must reauth")]
89    InsufficientBlindAuthTokens,
90    /// Auth localstore undefined
91    #[error("Auth localstore undefined")]
92    AuthLocalstoreUndefined,
93    /// Wallet cat not set
94    #[error("Wallet cat not set")]
95    CatNotSet,
96    /// Could not get mint info
97    #[error("Could not get mint info")]
98    CouldNotGetMintInfo,
99    /// Multi-Part Payment not supported for unit and method
100    #[error("Amountless invoices are not supported for unit `{0}` and method `{1}`")]
101    AmountlessInvoiceNotSupported(CurrencyUnit, PaymentMethod),
102    /// Duplicate Payment id
103    #[error("Payment id seen for mint")]
104    DuplicatePaymentId,
105    /// Pubkey required
106    #[error("Pubkey required")]
107    PubkeyRequired,
108    /// Missing Pubkey
109    #[error("Missing pubkey")]
110    MissingPubkey,
111    /// Invalid payment method
112    #[error("Invalid payment method")]
113    InvalidPaymentMethod,
114    /// Amount undefined
115    #[error("Amount undefined")]
116    AmountUndefined,
117    /// Unsupported payment method
118    #[error("Payment method unsupported")]
119    UnsupportedPaymentMethod,
120    /// Payment method required
121    #[error("Payment method required")]
122    PaymentMethodRequired,
123    /// Could not parse bolt12
124    #[error("Could not parse bolt12")]
125    Bolt12parse,
126    /// Could not parse invoice (bolt11 or bolt12)
127    #[error("Could not parse invoice")]
128    InvalidInvoice,
129
130    /// BIP353 address parsing error
131    #[error("Failed to parse BIP353 address: {0}")]
132    Bip353Parse(String),
133
134    /// Operation timeout
135    #[error("Operation timeout")]
136    Timeout,
137    /// Onchain backend returned a `request_lookup_id` that does not match the
138    /// mint-supplied `quote_id` (or omitted it entirely).
139    ///
140    /// Onchain backends MUST echo the `quote_id` from
141    /// [`OnchainOutgoingPaymentOptions`](crate::payment::OnchainOutgoingPaymentOptions)
142    /// verbatim as `PaymentIdentifier::QuoteId(...)` in
143    /// [`PaymentQuoteResponse::request_lookup_id`](crate::payment::PaymentQuoteResponse).
144    /// This error is returned when the mint layer detects a violation of that
145    /// contract during onchain melt quote construction.
146    #[cfg(feature = "mint")]
147    #[error(
148        "Onchain backend returned request_lookup_id {got:?} that does not match \
149         mint-supplied quote_id {expected}"
150    )]
151    OnchainQuoteLookupIdMismatch {
152        /// Mint-generated quote id sent to the backend.
153        expected: QuoteId,
154        /// Whatever the backend returned in `request_lookup_id`.
155        got: Option<PaymentIdentifier>,
156    },
157
158    /// Mint attempted to construct an onchain melt quote with zero
159    /// `fee_options`.
160    ///
161    /// Per NUT the mint MUST return at least one `fee_options` item on every
162    /// onchain melt quote. This error is returned when either the payment
163    /// backend failed to provide any confirmation-target data, or the mint
164    /// would have persisted a quote with an empty `fee_options` vec.
165    #[cfg(feature = "mint")]
166    #[error("Onchain melt quote must contain at least one fee_options entry")]
167    OnchainFeeOptionsEmpty,
168
169    /// `fee_options` contains two entries with the same `fee_index` value.
170    ///
171    /// Retained for callers that may still handle older validation behavior.
172    /// Current onchain fee option validation only rejects empty option lists.
173    #[cfg(feature = "mint")]
174    #[error("Duplicate fee_index {index} in onchain fee_options")]
175    OnchainFeeOptionsDuplicateIndex {
176        /// The duplicated `fee_index` value.
177        index: u32,
178    },
179
180    /// The wallet's melt request specified a `fee_index` that does not match
181    /// any entry in the quote's `fee_options`.
182    #[cfg(feature = "mint")]
183    #[error("Onchain melt request fee_index {index} not found in quote fee_options")]
184    OnchainFeeIndexNotFound {
185        /// The unmatched `fee_index` value sent by the wallet.
186        index: u32,
187    },
188
189    /// BIP353 address resolution error
190    #[error("Failed to resolve BIP353 address: {0}")]
191    Bip353Resolve(String),
192    /// BIP353 no BOLT12 offer found
193    #[error("No BOLT12 offer found in BIP353 payment instructions")]
194    Bip353NoBolt12Offer,
195
196    /// BIP321 payment instruction parsing error
197    #[error("Failed to parse BIP321 payment instruction: {0}")]
198    Bip321Parse(String),
199    /// BIP321 payment request encoding error
200    #[error("Failed to encode BIP321 payment request: {0}")]
201    Bip321Encode(String),
202
203    /// Lightning Address parsing error
204    #[error("Failed to parse Lightning address: {0}")]
205    LightningAddressParse(String),
206    /// Lightning Address request error
207    #[error("Failed to request invoice from Lightning address service: {0}")]
208    LightningAddressRequest(String),
209
210    /// Internal Error - Send error
211    #[error("Internal send error: {0}")]
212    SendError(String),
213
214    /// Internal Error - Recv error
215    #[error("Internal receive error: {0}")]
216    RecvError(String),
217
218    // Mint Errors
219    /// Minting is disabled
220    #[error("Minting is disabled")]
221    MintingDisabled,
222    /// Quote is not known
223    #[error("Unknown quote")]
224    UnknownQuote,
225    /// Quote is expired
226    #[error("Expired quote: Expired: `{0}`, Time: `{1}`")]
227    ExpiredQuote(u64, u64),
228    /// Amount is outside of allowed range
229    #[error("Amount must be between `{0}` and `{1}` is `{2}`")]
230    AmountOutofLimitRange(Amount, Amount, Amount),
231    /// Quote is not paid
232    #[error("Quote not paid")]
233    UnpaidQuote,
234    /// Quote is pending
235    #[error("Quote pending")]
236    PendingQuote,
237    /// Timed out waiting for a pending melt to complete.
238    ///
239    /// If the most recent backend status check failed, its error message is
240    /// attached for operator visibility; wallets should continue polling
241    /// regardless since the quote remains `Pending`.
242    #[error("Timed out waiting for pending melt to complete{}", .last_backend_error.as_ref().map(|e| format!(": last backend error: {}", e)).unwrap_or_default())]
243    PendingMeltTimeout {
244        /// Last error observed from the LN backend status check, if any.
245        last_backend_error: Option<String>,
246    },
247    /// ecash already issued for quote
248    #[error("Quote already issued")]
249    IssuedQuote,
250    /// Quote has already been paid
251    #[error("Quote is already paid")]
252    PaidQuote,
253    /// Payment state is unknown
254    #[error("Payment state is unknown")]
255    UnknownPaymentState,
256    /// Melting is disabled
257    #[error("Melting is disabled")]
258    MeltingDisabled,
259    /// Unknown Keyset
260    #[error("Unknown Keyset")]
261    UnknownKeySet,
262    /// BlindedMessage is already signed
263    #[error("Blinded Message is already signed")]
264    BlindedMessageAlreadySigned,
265    /// Inactive Keyset
266    #[error("Inactive Keyset")]
267    InactiveKeyset,
268    /// Keyset has expired
269    #[error("Keyset has expired")]
270    ExpiredKeyset,
271    /// Transaction unbalanced
272    #[error("Inputs: `{0}`, Outputs: `{1}`, Expected Fee: `{2}`")]
273    TransactionUnbalanced(u64, u64, u64),
274    /// Duplicate proofs provided
275    #[error("Duplicate Inputs")]
276    DuplicateInputs,
277    /// Duplicate output
278    #[error("Duplicate outputs")]
279    DuplicateOutputs,
280    /// Maximum number of inputs exceeded
281    #[error("Maximum inputs exceeded: {actual} provided, max {max}")]
282    MaxInputsExceeded {
283        /// Actual number of inputs provided
284        actual: usize,
285        /// Maximum allowed inputs
286        max: usize,
287    },
288    /// Maximum number of outputs exceeded
289    #[error("Maximum outputs exceeded: {actual} provided, max {max}")]
290    MaxOutputsExceeded {
291        /// Actual number of outputs provided
292        actual: usize,
293        /// Maximum allowed outputs
294        max: usize,
295    },
296    /// Duplicate quote IDs provided in a batch request (NUT-29)
297    #[error("Duplicate quote IDs")]
298    DuplicateQuoteIds,
299    /// Maximum batch size exceeded (NUT-29)
300    #[error("Maximum batch size exceeded: {actual} provided, max {max}")]
301    BatchSizeExceeded {
302        /// Actual batch size provided
303        actual: usize,
304        /// Maximum allowed batch size
305        max: usize,
306    },
307    /// Proof content too large (secret or witness exceeds max length)
308    #[error("Proof content too large: {actual} bytes, max {max}")]
309    ProofContentTooLarge {
310        /// Actual size in bytes
311        actual: usize,
312        /// Maximum allowed size in bytes
313        max: usize,
314    },
315    /// Request field content too large (description or extra exceeds max length)
316    #[error("Request field '{field}' too large: {actual} bytes, max {max}")]
317    RequestFieldTooLarge {
318        /// Name of the field that exceeded the limit
319        field: String,
320        /// Actual size in bytes
321        actual: usize,
322        /// Maximum allowed size in bytes
323        max: usize,
324    },
325    /// Multiple units provided
326    #[error("Cannot have multiple units")]
327    MultipleUnits,
328    /// Unit mismatch
329    #[error("Input unit must match output")]
330    UnitMismatch,
331    /// Sig all cannot be used in melt
332    #[error("Sig all cannot be used in melt")]
333    SigAllUsedInMelt,
334    /// Token is already spent
335    #[error("Token Already Spent")]
336    TokenAlreadySpent,
337    /// Token is already pending
338    #[error("Token Pending")]
339    TokenPending,
340    /// Internal Error
341    #[error("Internal Error")]
342    Internal,
343    /// Oidc config not set
344    #[error("Oidc client not set")]
345    OidcNotSet,
346    /// Unit String collision
347    #[error("Unit string picked collided: `{0}`")]
348    UnitStringCollision(CurrencyUnit),
349    // Wallet Errors
350    /// P2PK spending conditions not met
351    #[error("P2PK condition not met `{0}`")]
352    P2PKConditionsNotMet(String),
353    /// Duplicate signature from same pubkey in P2PK
354    #[error("Duplicate signature from same pubkey in P2PK")]
355    DuplicateSignatureError,
356    /// Spending Locktime not provided
357    #[error("Spending condition locktime not provided")]
358    LocktimeNotProvided,
359    /// Invalid Spending Conditions
360    #[error("Invalid spending conditions: `{0}`")]
361    InvalidSpendConditions(String),
362    /// Incorrect Wallet
363    #[error("Incorrect wallet: `{0}`")]
364    IncorrectWallet(String),
365    /// Unknown Wallet
366    #[error("Unknown wallet: `{0}`")]
367    #[cfg(feature = "wallet")]
368    UnknownWallet(WalletKey),
369    /// Max Fee Ecxeded
370    #[error("Max fee exceeded")]
371    MaxFeeExceeded,
372    /// Invalid NUT-13 restore options
373    #[error("Invalid NUT-13 restore options: `{field}` {reason}")]
374    InvalidNut13Options {
375        /// Invalid option field.
376        field: &'static str,
377        /// Reason the option value is invalid.
378        reason: &'static str,
379    },
380    /// Url path segments could not be joined
381    #[error("Url path segments could not be joined")]
382    UrlPathSegments,
383    ///  Unknown error response
384    #[error("Unknown error response: `{0}`")]
385    UnknownErrorResponse(String),
386    /// Invalid DLEQ proof
387    #[error("Could not verify DLEQ proof")]
388    CouldNotVerifyDleq,
389    /// Dleq Proof not provided for signature
390    #[error("Dleq proof not provided for signature")]
391    DleqProofNotProvided,
392    /// Incorrect Mint
393    /// Token does not match wallet mint
394    #[error("Token does not match wallet mint")]
395    IncorrectMint,
396    /// Receive can only be used with tokens from single mint
397    #[error("Multiple mint tokens not supported by receive. Please deconstruct the token and use receive with_proof")]
398    MultiMintTokenNotSupported,
399    /// Preimage not provided
400    #[error("Preimage not provided")]
401    PreimageNotProvided,
402
403    /// Unknown mint
404    #[error("Unknown mint: {mint_url}")]
405    UnknownMint {
406        /// URL of the unknown mint
407        mint_url: String,
408    },
409    /// Transfer between mints timed out
410    #[error("Transfer timeout: failed to transfer {amount} from {source_mint} to {target_mint}")]
411    TransferTimeout {
412        /// Source mint URL
413        source_mint: String,
414        /// Target mint URL
415        target_mint: String,
416        /// Amount that failed to transfer
417        amount: Amount,
418    },
419    /// Insufficient Funds
420    #[error("Insufficient funds")]
421    InsufficientFunds,
422    /// Unexpected proof state
423    #[error("Unexpected proof state")]
424    UnexpectedProofState,
425    /// No active keyset
426    #[error("No active keyset")]
427    NoActiveKeyset,
428    /// Incorrect quote amount
429    #[error("Incorrect quote amount")]
430    IncorrectQuoteAmount,
431    /// Invoice Description not supported
432    #[error("Invoice Description not supported")]
433    InvoiceDescriptionUnsupported,
434    /// Invalid transaction direction
435    #[error("Invalid transaction direction")]
436    InvalidTransactionDirection,
437    /// Invalid transaction id
438    #[error("Invalid transaction id")]
439    InvalidTransactionId,
440    /// Transaction not found
441    #[error("Transaction not found")]
442    TransactionNotFound,
443    /// Invalid operation kind
444    #[error("Invalid operation kind")]
445    InvalidOperationKind,
446    /// Invalid operation state
447    #[error("Invalid operation state")]
448    InvalidOperationState,
449    /// Operation not found
450    #[error("Operation not found")]
451    OperationNotFound,
452    /// KV Store invalid key or namespace
453    #[error("Invalid KV store key or namespace: {0}")]
454    KVStoreInvalidKey(String),
455    /// Concurrent update detected
456    #[error("Concurrent update detected")]
457    ConcurrentUpdate,
458    /// Invalid response from mint
459    #[error("Invalid mint response: {0}")]
460    InvalidMintResponse(String),
461    /// Subscription error
462    #[error("Subscription error: {0}")]
463    SubscriptionError(String),
464    /// Custom Error
465    #[error("`{0}`")]
466    Custom(String),
467
468    // External Error conversions
469    /// Parse invoice error
470    #[error(transparent)]
471    Invoice(#[from] lightning_invoice::ParseOrSemanticError),
472    /// Bip32 error
473    #[error(transparent)]
474    Bip32(#[from] bitcoin::bip32::Error),
475    /// Parse int error
476    #[error(transparent)]
477    ParseInt(#[from] std::num::ParseIntError),
478    /// Parse 9rl Error
479    #[error(transparent)]
480    UrlParseError(#[from] url::ParseError),
481    /// Utf8 parse error
482    #[error(transparent)]
483    Utf8ParseError(#[from] std::string::FromUtf8Error),
484    /// Serde Json error
485    #[error(transparent)]
486    SerdeJsonError(#[from] serde_json::Error),
487    /// Base64 error
488    #[error(transparent)]
489    Base64Error(#[from] bitcoin::base64::DecodeError),
490    /// From hex error
491    #[error(transparent)]
492    HexError(#[from] hex::Error),
493    /// Http transport error
494    #[error("Http transport error {0:?}: {1}")]
495    HttpError(Option<u16>, String),
496    /// Parse invoice error
497    #[cfg(feature = "mint")]
498    #[error(transparent)]
499    Uuid(#[from] uuid::Error),
500    // Crate error conversions
501    /// Cashu Url Error
502    #[error(transparent)]
503    CashuUrl(#[from] crate::mint_url::Error),
504    /// Secret error
505    #[error(transparent)]
506    Secret(#[from] crate::secret::Error),
507    /// Amount Error
508    #[error(transparent)]
509    AmountError(#[from] crate::amount::Error),
510    /// DHKE Error
511    #[error(transparent)]
512    DHKE(#[from] crate::dhke::Error),
513    /// NUT00 Error
514    #[error(transparent)]
515    NUT00(#[from] crate::nuts::nut00::Error),
516    /// Nut01 error
517    #[error(transparent)]
518    NUT01(#[from] crate::nuts::nut01::Error),
519    /// NUT02 error
520    #[error(transparent)]
521    NUT02(#[from] crate::nuts::nut02::Error),
522    /// NUT03 error
523    #[error(transparent)]
524    NUT03(#[from] crate::nuts::nut03::Error),
525    /// NUT04 error
526    #[error(transparent)]
527    NUT04(#[from] crate::nuts::nut04::Error),
528    /// NUT05 error
529    #[error(transparent)]
530    NUT05(#[from] crate::nuts::nut05::Error),
531    /// NUT10 Error
532    #[error(transparent)]
533    NUT10(crate::nuts::nut10::Error),
534    /// NUT11 Error
535    #[error(transparent)]
536    NUT11(#[from] crate::nuts::nut11::Error),
537    /// NUT12 Error
538    #[error(transparent)]
539    NUT12(#[from] crate::nuts::nut12::Error),
540    /// NUT13 Error
541    #[error(transparent)]
542    #[cfg(feature = "wallet")]
543    NUT13(#[from] crate::nuts::nut13::Error),
544    /// NUT14 Error
545    #[error(transparent)]
546    NUT14(#[from] crate::nuts::nut14::Error),
547    /// NUT18 Error
548    #[error(transparent)]
549    NUT18(#[from] crate::nuts::nut18::Error),
550    /// NUT20 Error
551    #[error(transparent)]
552    NUT20(#[from] crate::nuts::nut20::Error),
553    /// NUT21 Error
554    #[error(transparent)]
555    NUT21(#[from] crate::nuts::nut21::Error),
556    /// NUT22 Error
557    #[error(transparent)]
558    NUT22(#[from] crate::nuts::nut22::Error),
559    /// NUT23 Error
560    #[error(transparent)]
561    NUT23(#[from] crate::nuts::nut23::Error),
562    /// Quote ID Error
563    #[error(transparent)]
564    #[cfg(feature = "mint")]
565    QuoteId(#[from] crate::quote_id::QuoteIdError),
566    /// From slice error
567    #[error(transparent)]
568    TryFromSliceError(#[from] TryFromSliceError),
569    /// Database Error
570    #[error(transparent)]
571    Database(crate::database::Error),
572    /// Payment Error
573    #[error(transparent)]
574    #[cfg(feature = "mint")]
575    Payment(#[from] crate::payment::Error),
576}
577
578#[cfg(test)]
579mod tests {
580    use super::*;
581
582    #[test]
583    fn test_is_definitive_failure() {
584        // Test definitive failures
585        assert!(Error::AmountOverflow.is_definitive_failure());
586        assert!(Error::TokenAlreadySpent.is_definitive_failure());
587        assert!(Error::MintingDisabled.is_definitive_failure());
588
589        // Test HTTP client errors (4xx) - simulated
590        assert!(Error::HttpError(Some(400), "Bad Request".to_string()).is_definitive_failure());
591        assert!(Error::HttpError(Some(404), "Not Found".to_string()).is_definitive_failure());
592        assert!(
593            Error::HttpError(Some(429), "Too Many Requests".to_string()).is_definitive_failure()
594        );
595
596        // Test ambiguous failures
597        assert!(!Error::Timeout.is_definitive_failure());
598        assert!(!Error::Internal.is_definitive_failure());
599        assert!(!Error::ConcurrentUpdate.is_definitive_failure());
600
601        // Test HTTP server errors (5xx)
602        assert!(
603            !Error::HttpError(Some(500), "Internal Server Error".to_string())
604                .is_definitive_failure()
605        );
606        assert!(!Error::HttpError(Some(502), "Bad Gateway".to_string()).is_definitive_failure());
607        assert!(
608            !Error::HttpError(Some(503), "Service Unavailable".to_string()).is_definitive_failure()
609        );
610
611        // Test HTTP network errors (no status)
612        assert!(!Error::HttpError(None, "Connection refused".to_string()).is_definitive_failure());
613    }
614}
615
616impl Error {
617    /// Check if the error is a definitive failure
618    ///
619    /// A definitive failure means the mint definitely rejected the request
620    /// and did not update its state. In these cases, it is safe to revert
621    /// the transaction locally.
622    ///
623    /// If false, the failure is ambiguous (e.g. timeout, network error, 500)
624    /// and the transaction state at the mint is unknown.
625    pub fn is_definitive_failure(&self) -> bool {
626        match self {
627            // Logic/Validation Errors (Safe to revert)
628            Self::AmountKey
629            | Self::KeysetUnknown(_)
630            | Self::UnsupportedUnit
631            | Self::InvoiceAmountUndefined
632            | Self::SplitValuesGreater
633            | Self::AmountOverflow
634            | Self::OverIssue
635            | Self::SignatureMissingOrInvalid
636            | Self::AmountLessNotAllowed
637            | Self::InternalMultiPartMeltQuote
638            | Self::MppUnitMethodNotSupported(_, _)
639            | Self::AmountlessInvoiceNotSupported(_, _)
640            | Self::DuplicatePaymentId
641            | Self::PubkeyRequired
642            | Self::InvalidPaymentMethod
643            | Self::UnsupportedPaymentMethod
644            | Self::InvalidInvoice
645            | Self::MintingDisabled
646            | Self::UnknownQuote
647            | Self::ExpiredQuote(_, _)
648            | Self::AmountOutofLimitRange(_, _, _)
649            | Self::UnpaidQuote
650            | Self::PendingQuote
651            | Self::IssuedQuote
652            | Self::PaidQuote
653            | Self::MeltingDisabled
654            | Self::UnknownKeySet
655            | Self::BlindedMessageAlreadySigned
656            | Self::InactiveKeyset
657            | Self::ExpiredKeyset
658            | Self::TransactionUnbalanced(_, _, _)
659            | Self::DuplicateInputs
660            | Self::DuplicateOutputs
661            | Self::DuplicateQuoteIds
662            | Self::BatchSizeExceeded { .. }
663            | Self::MultipleUnits
664            | Self::UnitMismatch
665            | Self::SigAllUsedInMelt
666            | Self::TokenAlreadySpent
667            | Self::TokenPending
668            | Self::P2PKConditionsNotMet(_)
669            | Self::DuplicateSignatureError
670            | Self::LocktimeNotProvided
671            | Self::InvalidSpendConditions(_)
672            | Self::IncorrectWallet(_)
673            | Self::MaxFeeExceeded
674            | Self::InvalidNut13Options { .. }
675            | Self::DleqProofNotProvided
676            | Self::IncorrectMint
677            | Self::MultiMintTokenNotSupported
678            | Self::PreimageNotProvided
679            | Self::UnknownMint { .. }
680            | Self::UnexpectedProofState
681            | Self::NoActiveKeyset
682            | Self::IncorrectQuoteAmount
683            | Self::InvoiceDescriptionUnsupported
684            | Self::InvalidTransactionDirection
685            | Self::InvalidTransactionId
686            | Self::InvalidOperationKind
687            | Self::InvalidOperationState
688            | Self::OperationNotFound
689            | Self::KVStoreInvalidKey(_)
690            | Self::Bip353Parse(_)
691            | Self::Bip353NoBolt12Offer
692            | Self::Bip321Parse(_)
693            | Self::Bip321Encode(_)
694            | Self::LightningAddressParse(_) => true,
695
696            #[cfg(feature = "mint")]
697            Self::OnchainQuoteLookupIdMismatch { .. }
698            | Self::OnchainFeeOptionsEmpty
699            | Self::OnchainFeeOptionsDuplicateIndex { .. }
700            | Self::OnchainFeeIndexNotFound { .. } => true,
701
702            // HTTP Errors
703            Self::HttpError(Some(status), _) => {
704                // Client errors (400-499) are definitive failures
705                // Server errors (500-599) are ambiguous
706                (400..500).contains(status)
707            }
708
709            // Ambiguous Errors (Unsafe to revert)
710            Self::Timeout
711            | Self::Internal
712            | Self::UnknownPaymentState
713            | Self::CouldNotGetMintInfo
714            | Self::UnknownErrorResponse(_)
715            | Self::InvalidMintResponse(_)
716            | Self::ConcurrentUpdate
717            | Self::SendError(_)
718            | Self::RecvError(_)
719            | Self::TransferTimeout { .. }
720            | Self::Bip353Resolve(_)
721            | Self::LightningAddressRequest(_) => false,
722
723            // Network/IO/Parsing Errors (Usually ambiguous as they could happen reading response)
724            Self::HttpError(None, _) // No status code means network error
725            | Self::SerdeJsonError(_) // Could be malformed success response
726            | Self::Database(_)
727            | Self::Custom(_) => false,
728
729            // Auth Errors (Generally definitive if rejected)
730            Self::ClearAuthRequired
731            | Self::BlindAuthRequired
732            | Self::ClearAuthFailed
733            | Self::BlindAuthFailed
734            | Self::InsufficientBlindAuthTokens
735            | Self::AuthSettingsUndefined
736            | Self::AuthLocalstoreUndefined
737            | Self::OidcNotSet => true,
738
739            // External conversions - check specifically
740            Self::Invoice(_) => true, // Parsing error
741            Self::Bip32(_) => true, // Key derivation error
742            Self::ParseInt(_) => true,
743            Self::UrlParseError(_) => true,
744            Self::Utf8ParseError(_) => true,
745            Self::Base64Error(_) => true,
746            Self::HexError(_) => true,
747            #[cfg(feature = "mint")]
748            Self::Uuid(_) => true,
749            Self::CashuUrl(_) => true,
750            Self::Secret(_) => true,
751            Self::AmountError(_) => true,
752            Self::DHKE(_) => true, // Crypto errors
753            Self::NUT00(_) => true,
754            Self::NUT01(_) => true,
755            Self::NUT02(_) => true,
756            Self::NUT03(_) => true,
757            Self::NUT04(_) => true,
758            Self::NUT05(_) => true,
759            Self::NUT11(_) => true,
760            Self::NUT12(_) => true,
761            #[cfg(feature = "wallet")]
762            Self::NUT13(_) => true,
763            Self::NUT14(_) => true,
764            Self::NUT18(_) => true,
765            Self::NUT20(_) => true,
766            Self::NUT21(_) => true,
767            Self::NUT22(_) => true,
768            Self::NUT23(_) => true,
769            #[cfg(feature = "mint")]
770            Self::QuoteId(_) => true,
771            Self::TryFromSliceError(_) => true,
772            #[cfg(feature = "mint")]
773            Self::Payment(_) => false, // Payment errors could be ambiguous? assume ambiguous to be safe
774
775            // Catch-all
776            _ => false,
777        }
778    }
779}
780
781impl From<crate::nuts::nut10::Error> for Error {
782    fn from(err: crate::nuts::nut10::Error) -> Self {
783        match err {
784            crate::nuts::nut10::Error::NUT11(nut11_err) => Self::NUT11(nut11_err),
785            crate::nuts::nut10::Error::NUT14(nut14_err) => Self::NUT14(nut14_err),
786            other => Self::NUT10(other),
787        }
788    }
789}
790
791/// CDK Error Response
792///
793/// See NUT definition in [00](https://github.com/cashubtc/nuts/blob/main/00.md)
794#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
795pub struct ErrorResponse {
796    /// Error Code
797    pub code: ErrorCode,
798    /// Human readable description
799    #[serde(default)]
800    pub detail: String,
801}
802
803impl fmt::Display for ErrorResponse {
804    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
805        write!(f, "code: {}, detail: {}", self.code, self.detail)
806    }
807}
808
809impl ErrorResponse {
810    /// Create new [`ErrorResponse`]
811    pub fn new(code: ErrorCode, detail: String) -> Self {
812        Self { code, detail }
813    }
814
815    /// Error response from json
816    pub fn from_json(json: &str) -> Result<Self, serde_json::Error> {
817        let value: Value = serde_json::from_str(json)?;
818
819        Self::from_value(value)
820    }
821
822    /// Error response from json Value
823    pub fn from_value(value: Value) -> Result<Self, serde_json::Error> {
824        match serde_json::from_value::<ErrorResponse>(value.clone()) {
825            Ok(res) => Ok(res),
826            Err(_) => Ok(Self {
827                code: ErrorCode::Unknown(999),
828                detail: value.to_string(),
829            }),
830        }
831    }
832}
833
834/// Maps NUT11 errors to appropriate error codes
835/// All NUT11 errors are witness/signature related, so they map to WitnessMissingOrInvalid (20008)
836fn map_nut11_error(_nut11_error: &crate::nuts::nut11::Error) -> ErrorCode {
837    // All NUT11 errors relate to P2PK/witness validation, which maps to 20008
838    ErrorCode::WitnessMissingOrInvalid
839}
840
841impl From<Error> for ErrorResponse {
842    fn from(err: Error) -> ErrorResponse {
843        match err {
844            Error::TokenAlreadySpent => ErrorResponse {
845                code: ErrorCode::TokenAlreadySpent,
846                detail: err.to_string(),
847            },
848            Error::UnsupportedUnit => ErrorResponse {
849                code: ErrorCode::UnsupportedUnit,
850                detail: err.to_string(),
851            },
852            Error::PaymentFailed => ErrorResponse {
853                code: ErrorCode::LightningError,
854                detail: err.to_string(),
855            },
856            Error::RequestAlreadyPaid => ErrorResponse {
857                code: ErrorCode::InvoiceAlreadyPaid,
858                detail: "Invoice already paid.".to_string(),
859            },
860            Error::TransactionUnbalanced(inputs_total, outputs_total, fee_expected) => {
861                ErrorResponse {
862                    code: ErrorCode::TransactionUnbalanced,
863                    detail: format!(
864                        "Inputs: {inputs_total}, Outputs: {outputs_total}, expected_fee: {fee_expected}. Transaction inputs should equal outputs less fee"
865                    ),
866                }
867            }
868            Error::MintingDisabled => ErrorResponse {
869                code: ErrorCode::MintingDisabled,
870                detail: err.to_string(),
871            },
872            Error::BlindedMessageAlreadySigned => ErrorResponse {
873                code: ErrorCode::BlindedMessageAlreadySigned,
874                detail: err.to_string(),
875            },
876            Error::InsufficientFunds => ErrorResponse {
877                code: ErrorCode::TransactionUnbalanced,
878                detail: err.to_string(),
879            },
880            Error::AmountOutofLimitRange(_min, _max, _amount) => ErrorResponse {
881                code: ErrorCode::AmountOutofLimitRange,
882                detail: err.to_string(),
883            },
884            Error::ExpiredQuote(_, _) => ErrorResponse {
885                code: ErrorCode::QuoteExpired,
886                detail: err.to_string(),
887            },
888            Error::PendingQuote => ErrorResponse {
889                code: ErrorCode::QuotePending,
890                detail: err.to_string(),
891            },
892            Error::PendingMeltTimeout { .. } => ErrorResponse {
893                code: ErrorCode::QuotePending,
894                detail: err.to_string(),
895            },
896            Error::TokenPending => ErrorResponse {
897                code: ErrorCode::TokenPending,
898                detail: err.to_string(),
899            },
900            Error::ClearAuthRequired => ErrorResponse {
901                code: ErrorCode::ClearAuthRequired,
902                detail: Error::ClearAuthRequired.to_string(),
903            },
904            Error::ClearAuthFailed => ErrorResponse {
905                code: ErrorCode::ClearAuthFailed,
906                detail: Error::ClearAuthFailed.to_string(),
907            },
908            Error::BlindAuthRequired => ErrorResponse {
909                code: ErrorCode::BlindAuthRequired,
910                detail: Error::BlindAuthRequired.to_string(),
911            },
912            Error::BlindAuthFailed => ErrorResponse {
913                code: ErrorCode::BlindAuthFailed,
914                detail: Error::BlindAuthFailed.to_string(),
915            },
916            Error::NUT20(err) => ErrorResponse {
917                code: ErrorCode::WitnessMissingOrInvalid,
918                detail: err.to_string(),
919            },
920            Error::DuplicateInputs => ErrorResponse {
921                code: ErrorCode::DuplicateInputs,
922                detail: err.to_string(),
923            },
924            Error::DuplicateOutputs => ErrorResponse {
925                code: ErrorCode::DuplicateOutputs,
926                detail: err.to_string(),
927            },
928            Error::MultipleUnits => ErrorResponse {
929                code: ErrorCode::MultipleUnits,
930                detail: err.to_string(),
931            },
932            Error::UnitMismatch => ErrorResponse {
933                code: ErrorCode::UnitMismatch,
934                detail: err.to_string(),
935            },
936            Error::UnpaidQuote => ErrorResponse {
937                code: ErrorCode::QuoteNotPaid,
938                detail: Error::UnpaidQuote.to_string(),
939            },
940            Error::NUT11(err) => {
941                let code = map_nut11_error(&err);
942                let extra = if matches!(err, crate::nuts::nut11::Error::SignaturesNotProvided) {
943                    Some("P2PK signatures are required but not provided".to_string())
944                } else {
945                    None
946                };
947                ErrorResponse {
948                    code,
949                    detail: match extra {
950                        Some(extra) => format!("{err}. {extra}"),
951                        None => err.to_string(),
952                    },
953                }
954            },
955            Error::DuplicateSignatureError => ErrorResponse {
956                code: ErrorCode::WitnessMissingOrInvalid,
957                detail: err.to_string(),
958            },
959            Error::IssuedQuote => ErrorResponse {
960                code: ErrorCode::TokensAlreadyIssued,
961                detail: err.to_string(),
962            },
963            Error::UnknownKeySet => ErrorResponse {
964                code: ErrorCode::KeysetNotFound,
965                detail: err.to_string(),
966            },
967            Error::InactiveKeyset => ErrorResponse {
968                code: ErrorCode::KeysetInactive,
969                detail: err.to_string(),
970            },
971            Error::ExpiredKeyset => ErrorResponse {
972                code: ErrorCode::KeysetExpired,
973                detail: err.to_string(),
974            },
975            Error::AmountLessNotAllowed => ErrorResponse {
976                code: ErrorCode::AmountlessInvoiceNotSupported,
977                detail: err.to_string(),
978            },
979            Error::IncorrectQuoteAmount => ErrorResponse {
980                code: ErrorCode::IncorrectQuoteAmount,
981                detail: err.to_string(),
982            },
983            Error::PubkeyRequired => ErrorResponse {
984                code: ErrorCode::PubkeyRequired,
985                detail: err.to_string(),
986            },
987            Error::PaidQuote => ErrorResponse {
988                code: ErrorCode::InvoiceAlreadyPaid,
989                detail: err.to_string(),
990            },
991            Error::DuplicatePaymentId => ErrorResponse {
992                code: ErrorCode::InvoiceAlreadyPaid,
993                detail: err.to_string(),
994            },
995            // Database duplicate error indicates another quote with same invoice is already pending/paid
996            Error::Database(crate::database::Error::Duplicate) => ErrorResponse {
997                code: ErrorCode::InvoiceAlreadyPaid,
998                detail: "Invoice already paid or pending".to_string(),
999            },
1000
1001            // DHKE errors - TokenNotVerified for actual verification failures
1002            Error::DHKE(crate::dhke::Error::TokenNotVerified) => ErrorResponse {
1003                code: ErrorCode::TokenNotVerified,
1004                detail: err.to_string(),
1005            },
1006            Error::DHKE(_) => ErrorResponse {
1007                code: ErrorCode::Unknown(50000),
1008                detail: err.to_string(),
1009            },
1010
1011            // Verification errors
1012            Error::CouldNotVerifyDleq => ErrorResponse {
1013                code: ErrorCode::TokenNotVerified,
1014                detail: err.to_string(),
1015            },
1016            Error::SignatureMissingOrInvalid => ErrorResponse {
1017                code: ErrorCode::WitnessMissingOrInvalid,
1018                detail: err.to_string(),
1019            },
1020            Error::SigAllUsedInMelt => ErrorResponse {
1021                code: ErrorCode::WitnessMissingOrInvalid,
1022                detail: err.to_string(),
1023            },
1024
1025            // Keyset/key errors
1026            Error::AmountKey => ErrorResponse {
1027                code: ErrorCode::KeysetNotFound,
1028                detail: err.to_string(),
1029            },
1030            Error::KeysetUnknown(_) => ErrorResponse {
1031                code: ErrorCode::KeysetNotFound,
1032                detail: err.to_string(),
1033            },
1034            Error::NoActiveKeyset => ErrorResponse {
1035                code: ErrorCode::KeysetInactive,
1036                detail: err.to_string(),
1037            },
1038
1039            // Quote/payment errors
1040            Error::UnknownQuote => ErrorResponse {
1041                code: ErrorCode::Unknown(50000),
1042                detail: err.to_string(),
1043            },
1044            Error::MeltingDisabled => ErrorResponse {
1045                code: ErrorCode::MintingDisabled,
1046                detail: err.to_string(),
1047            },
1048            Error::PaymentPending => ErrorResponse {
1049                code: ErrorCode::QuotePending,
1050                detail: err.to_string(),
1051            },
1052            Error::UnknownPaymentState => ErrorResponse {
1053                code: ErrorCode::Unknown(50000),
1054                detail: err.to_string(),
1055            },
1056
1057            // Transaction/amount errors
1058            Error::SplitValuesGreater => ErrorResponse {
1059                code: ErrorCode::TransactionUnbalanced,
1060                detail: err.to_string(),
1061            },
1062            Error::AmountOverflow => ErrorResponse {
1063                code: ErrorCode::TransactionUnbalanced,
1064                detail: err.to_string(),
1065            },
1066            Error::OverIssue => ErrorResponse {
1067                code: ErrorCode::TransactionUnbalanced,
1068                detail: err.to_string(),
1069            },
1070
1071            // Invoice parsing errors - no spec code for invalid format
1072            Error::InvalidPaymentRequest => ErrorResponse {
1073                code: ErrorCode::Unknown(50000),
1074                detail: err.to_string(),
1075            },
1076            Error::InvoiceAmountUndefined => ErrorResponse {
1077                code: ErrorCode::AmountlessInvoiceNotSupported,
1078                detail: err.to_string(),
1079            },
1080
1081            // Internal/system errors - use Unknown(99999)
1082            Error::Internal => ErrorResponse {
1083                code: ErrorCode::Unknown(50000),
1084                detail: err.to_string(),
1085            },
1086            Error::Database(_) => ErrorResponse {
1087                code: ErrorCode::Unknown(50000),
1088                detail: err.to_string(),
1089            },
1090            Error::ConcurrentUpdate => ErrorResponse {
1091                code: ErrorCode::ConcurrentUpdate,
1092                detail: err.to_string(),
1093            },
1094            Error::MaxInputsExceeded { .. } => ErrorResponse {
1095                code: ErrorCode::MaxInputsExceeded,
1096                detail: err.to_string()
1097            },
1098            Error::MaxOutputsExceeded { .. } => ErrorResponse {
1099                code: ErrorCode::MaxOutputsExceeded,
1100                detail: err.to_string()
1101            },
1102            Error::DuplicateQuoteIds => ErrorResponse {
1103                code: ErrorCode::DuplicateQuoteIds,
1104                detail: err.to_string(),
1105            },
1106            Error::BatchSizeExceeded { .. } => ErrorResponse {
1107                code: ErrorCode::BatchSizeExceeded,
1108                detail: err.to_string(),
1109            },
1110            // Fallback for any remaining errors - use Unknown(99999) instead of TokenNotVerified
1111            _ => ErrorResponse {
1112                code: ErrorCode::Unknown(50000),
1113                detail: err.to_string(),
1114            },
1115        }
1116    }
1117}
1118
1119#[cfg(feature = "mint")]
1120impl From<crate::database::Error> for Error {
1121    fn from(db_error: crate::database::Error) -> Self {
1122        match db_error {
1123            crate::database::Error::InvalidStateTransition(state) => match state {
1124                crate::state::Error::Pending => Self::TokenPending,
1125                crate::state::Error::AlreadySpent => Self::TokenAlreadySpent,
1126                crate::state::Error::AlreadyPaid => Self::RequestAlreadyPaid,
1127                state => Self::Database(crate::database::Error::InvalidStateTransition(state)),
1128            },
1129            crate::database::Error::ConcurrentUpdate => Self::ConcurrentUpdate,
1130            db_error => Self::Database(db_error),
1131        }
1132    }
1133}
1134
1135#[cfg(not(feature = "mint"))]
1136impl From<crate::database::Error> for Error {
1137    fn from(db_error: crate::database::Error) -> Self {
1138        match db_error {
1139            crate::database::Error::ConcurrentUpdate => Self::ConcurrentUpdate,
1140            db_error => Self::Database(db_error),
1141        }
1142    }
1143}
1144
1145impl From<ErrorResponse> for Error {
1146    fn from(err: ErrorResponse) -> Error {
1147        match err.code {
1148            // 10xxx - Proof/Token verification errors
1149            ErrorCode::TokenNotVerified => Self::DHKE(crate::dhke::Error::TokenNotVerified),
1150            // 11xxx - Input/Output errors
1151            ErrorCode::TokenAlreadySpent => Self::TokenAlreadySpent,
1152            ErrorCode::TokenPending => Self::TokenPending,
1153            ErrorCode::BlindedMessageAlreadySigned => Self::BlindedMessageAlreadySigned,
1154            ErrorCode::OutputsPending => Self::TokenPending, // Map to closest equivalent
1155            ErrorCode::TransactionUnbalanced => Self::TransactionUnbalanced(0, 0, 0),
1156            ErrorCode::AmountOutofLimitRange => {
1157                Self::AmountOutofLimitRange(Amount::default(), Amount::default(), Amount::default())
1158            }
1159            ErrorCode::DuplicateInputs => Self::DuplicateInputs,
1160            ErrorCode::DuplicateOutputs => Self::DuplicateOutputs,
1161            ErrorCode::DuplicateQuoteIds => Self::DuplicateQuoteIds,
1162            ErrorCode::BatchSizeExceeded => Self::BatchSizeExceeded { actual: 0, max: 0 },
1163            ErrorCode::MultipleUnits => Self::MultipleUnits,
1164            ErrorCode::UnitMismatch => Self::UnitMismatch,
1165            ErrorCode::AmountlessInvoiceNotSupported => Self::AmountLessNotAllowed,
1166            ErrorCode::IncorrectQuoteAmount => Self::IncorrectQuoteAmount,
1167            ErrorCode::UnsupportedUnit => Self::UnsupportedUnit,
1168            // 12xxx - Keyset errors
1169            ErrorCode::KeysetNotFound => Self::UnknownKeySet,
1170            ErrorCode::KeysetInactive => Self::InactiveKeyset,
1171            ErrorCode::KeysetExpired => Self::ExpiredKeyset,
1172            // 20xxx - Quote/Payment errors
1173            ErrorCode::QuoteNotPaid => Self::UnpaidQuote,
1174            ErrorCode::TokensAlreadyIssued => Self::IssuedQuote,
1175            ErrorCode::MintingDisabled => Self::MintingDisabled,
1176            ErrorCode::LightningError => Self::PaymentFailed,
1177            ErrorCode::QuotePending => Self::PendingQuote,
1178            ErrorCode::InvoiceAlreadyPaid => Self::RequestAlreadyPaid,
1179            ErrorCode::QuoteExpired => Self::ExpiredQuote(0, 0),
1180            ErrorCode::WitnessMissingOrInvalid => Self::SignatureMissingOrInvalid,
1181            ErrorCode::PubkeyRequired => Self::PubkeyRequired,
1182            // 30xxx - Clear auth errors
1183            ErrorCode::ClearAuthRequired => Self::ClearAuthRequired,
1184            ErrorCode::ClearAuthFailed => Self::ClearAuthFailed,
1185            // 31xxx - Blind auth errors
1186            ErrorCode::BlindAuthRequired => Self::BlindAuthRequired,
1187            ErrorCode::BlindAuthFailed => Self::BlindAuthFailed,
1188            ErrorCode::BatMintMaxExceeded => Self::InsufficientBlindAuthTokens,
1189            ErrorCode::BatRateLimitExceeded => Self::InsufficientBlindAuthTokens,
1190            _ => Self::UnknownErrorResponse(err.to_string()),
1191        }
1192    }
1193}
1194
1195/// Possible Error Codes
1196#[derive(Debug, Clone, Copy, Hash, PartialEq, Eq)]
1197pub enum ErrorCode {
1198    // 10xxx - Proof/Token verification errors
1199    /// Proof verification failed (10001)
1200    TokenNotVerified,
1201
1202    // 11xxx - Input/Output errors
1203    /// Proofs already spent (11001)
1204    TokenAlreadySpent,
1205    /// Proofs are pending (11002)
1206    TokenPending,
1207    /// Outputs already signed (11003)
1208    BlindedMessageAlreadySigned,
1209    /// Outputs are pending (11004)
1210    OutputsPending,
1211    /// Transaction is not balanced (11005)
1212    TransactionUnbalanced,
1213    /// Amount outside of limit range (11006)
1214    AmountOutofLimitRange,
1215    /// Duplicate inputs provided (11007)
1216    DuplicateInputs,
1217    /// Duplicate outputs provided (11008)
1218    DuplicateOutputs,
1219    /// Inputs/Outputs of multiple units (11009)
1220    MultipleUnits,
1221    /// Inputs and outputs not of same unit (11010)
1222    UnitMismatch,
1223    /// Amountless invoice is not supported (11011)
1224    AmountlessInvoiceNotSupported,
1225    /// Amount in request does not equal invoice (11012)
1226    IncorrectQuoteAmount,
1227    /// Unit in request is not supported (11013)
1228    UnsupportedUnit,
1229    /// The max number of inputs is exceeded
1230    MaxInputsExceeded,
1231    /// The max number of outputs is exceeded
1232    MaxOutputsExceeded,
1233    /// Duplicate quote IDs provided in a batch (11016)
1234    DuplicateQuoteIds,
1235    /// Batch size exceeds mint limit (11017)
1236    BatchSizeExceeded,
1237    // 12xxx - Keyset errors
1238    /// Keyset is not known (12001)
1239    KeysetNotFound,
1240    /// Keyset is inactive, cannot sign messages (12002)
1241    KeysetInactive,
1242    /// Keyset expired (12003)
1243    KeysetExpired,
1244
1245    // 20xxx - Quote/Payment errors
1246    /// Quote request is not paid (20001)
1247    QuoteNotPaid,
1248    /// Quote has already been issued (20002)
1249    TokensAlreadyIssued,
1250    /// Minting is disabled (20003)
1251    MintingDisabled,
1252    /// Lightning payment failed (20004)
1253    LightningError,
1254    /// Quote is pending (20005)
1255    QuotePending,
1256    /// Invoice already paid (20006)
1257    InvoiceAlreadyPaid,
1258    /// Quote is expired (20007)
1259    QuoteExpired,
1260    /// Signature for mint request invalid (20008)
1261    WitnessMissingOrInvalid,
1262    /// Pubkey required for mint quote (20009)
1263    PubkeyRequired,
1264
1265    // 30xxx - Clear auth errors
1266    /// Endpoint requires clear auth (30001)
1267    ClearAuthRequired,
1268    /// Clear authentication failed (30002)
1269    ClearAuthFailed,
1270
1271    // 31xxx - Blind auth errors
1272    /// Endpoint requires blind auth (31001)
1273    BlindAuthRequired,
1274    /// Blind authentication failed (31002)
1275    BlindAuthFailed,
1276    /// Maximum BAT mint amount exceeded (31003)
1277    BatMintMaxExceeded,
1278    /// BAT mint rate limit exceeded (31004)
1279    BatRateLimitExceeded,
1280
1281    /// Concurrent update detected
1282    ConcurrentUpdate,
1283
1284    /// Unknown error code
1285    Unknown(u16),
1286}
1287
1288impl ErrorCode {
1289    /// Error code from u16
1290    pub fn from_code(code: u16) -> Self {
1291        match code {
1292            // 10xxx - Proof/Token verification errors
1293            10001 => Self::TokenNotVerified,
1294            // 11xxx - Input/Output errors
1295            11001 => Self::TokenAlreadySpent,
1296            11002 => Self::TokenPending,
1297            11003 => Self::BlindedMessageAlreadySigned,
1298            11004 => Self::OutputsPending,
1299            11005 => Self::TransactionUnbalanced,
1300            11006 => Self::AmountOutofLimitRange,
1301            11007 => Self::DuplicateInputs,
1302            11008 => Self::DuplicateOutputs,
1303            11009 => Self::MultipleUnits,
1304            11010 => Self::UnitMismatch,
1305            11011 => Self::AmountlessInvoiceNotSupported,
1306            11012 => Self::IncorrectQuoteAmount,
1307            11013 => Self::UnsupportedUnit,
1308            11014 => Self::MaxInputsExceeded,
1309            11015 => Self::MaxOutputsExceeded,
1310            11016 => Self::DuplicateQuoteIds,
1311            11017 => Self::BatchSizeExceeded,
1312            // 12xxx - Keyset errors
1313            12001 => Self::KeysetNotFound,
1314            12002 => Self::KeysetInactive,
1315            12003 => Self::KeysetExpired,
1316            // 20xxx - Quote/Payment errors
1317            20001 => Self::QuoteNotPaid,
1318            20002 => Self::TokensAlreadyIssued,
1319            20003 => Self::MintingDisabled,
1320            20004 => Self::LightningError,
1321            20005 => Self::QuotePending,
1322            20006 => Self::InvoiceAlreadyPaid,
1323            20007 => Self::QuoteExpired,
1324            20008 => Self::WitnessMissingOrInvalid,
1325            20009 => Self::PubkeyRequired,
1326            // 30xxx - Clear auth errors
1327            30001 => Self::ClearAuthRequired,
1328            30002 => Self::ClearAuthFailed,
1329            // 31xxx - Blind auth errors
1330            31001 => Self::BlindAuthRequired,
1331            31002 => Self::BlindAuthFailed,
1332            31003 => Self::BatMintMaxExceeded,
1333            31004 => Self::BatRateLimitExceeded,
1334            _ => Self::Unknown(code),
1335        }
1336    }
1337
1338    /// Error code to u16
1339    pub fn to_code(&self) -> u16 {
1340        match self {
1341            // 10xxx - Proof/Token verification errors
1342            Self::TokenNotVerified => 10001,
1343            // 11xxx - Input/Output errors
1344            Self::TokenAlreadySpent => 11001,
1345            Self::TokenPending => 11002,
1346            Self::BlindedMessageAlreadySigned => 11003,
1347            Self::OutputsPending => 11004,
1348            Self::TransactionUnbalanced => 11005,
1349            Self::AmountOutofLimitRange => 11006,
1350            Self::DuplicateInputs => 11007,
1351            Self::DuplicateOutputs => 11008,
1352            Self::MultipleUnits => 11009,
1353            Self::UnitMismatch => 11010,
1354            Self::AmountlessInvoiceNotSupported => 11011,
1355            Self::IncorrectQuoteAmount => 11012,
1356            Self::UnsupportedUnit => 11013,
1357            Self::MaxInputsExceeded => 11014,
1358            Self::MaxOutputsExceeded => 11015,
1359            Self::DuplicateQuoteIds => 11016,
1360            Self::BatchSizeExceeded => 11017,
1361            // 12xxx - Keyset errors
1362            Self::KeysetNotFound => 12001,
1363            Self::KeysetInactive => 12002,
1364            Self::KeysetExpired => 12003,
1365            // 20xxx - Quote/Payment errors
1366            Self::QuoteNotPaid => 20001,
1367            Self::TokensAlreadyIssued => 20002,
1368            Self::MintingDisabled => 20003,
1369            Self::LightningError => 20004,
1370            Self::QuotePending => 20005,
1371            Self::InvoiceAlreadyPaid => 20006,
1372            Self::QuoteExpired => 20007,
1373            Self::WitnessMissingOrInvalid => 20008,
1374            Self::PubkeyRequired => 20009,
1375            // 30xxx - Clear auth errors
1376            Self::ClearAuthRequired => 30001,
1377            Self::ClearAuthFailed => 30002,
1378            // 31xxx - Blind auth errors
1379            Self::BlindAuthRequired => 31001,
1380            Self::BlindAuthFailed => 31002,
1381            Self::BatMintMaxExceeded => 31003,
1382            Self::BatRateLimitExceeded => 31004,
1383            Self::ConcurrentUpdate => 50000,
1384            Self::Unknown(code) => *code,
1385        }
1386    }
1387}
1388
1389impl Serialize for ErrorCode {
1390    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
1391    where
1392        S: Serializer,
1393    {
1394        serializer.serialize_u16(self.to_code())
1395    }
1396}
1397
1398impl<'de> Deserialize<'de> for ErrorCode {
1399    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
1400    where
1401        D: Deserializer<'de>,
1402    {
1403        let code = u16::deserialize(deserializer)?;
1404
1405        Ok(ErrorCode::from_code(code))
1406    }
1407}
1408
1409impl fmt::Display for ErrorCode {
1410    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
1411        write!(f, "{}", self.to_code())
1412    }
1413}
cdk_common/error.rs

cdk_common/
error.rs
