cdk_common/
error.rs

1//! Errors
2
3use std::fmt;
4
5use cashu::{CurrencyUnit, PaymentMethod};
6use serde::{Deserialize, Deserializer, Serialize, Serializer};
7use serde_json::Value;
8use thiserror::Error;
9
10use crate::nuts::Id;
11use crate::util::hex;
12#[cfg(feature = "wallet")]
13use crate::wallet::WalletKey;
14use crate::Amount;
15
16/// CDK Error
17#[derive(Debug, Error)]
18pub enum Error {
19    /// Mint does not have a key for amount
20    #[error("No Key for Amount")]
21    AmountKey,
22    /// Keyset is not known
23    #[error("Keyset id not known: `{0}`")]
24    KeysetUnknown(Id),
25    /// Unsupported unit
26    #[error("Unit unsupported")]
27    UnsupportedUnit,
28    /// Payment failed
29    #[error("Payment failed")]
30    PaymentFailed,
31    /// Payment pending
32    #[error("Payment pending")]
33    PaymentPending,
34    /// Invoice already paid
35    #[error("Request already paid")]
36    RequestAlreadyPaid,
37    /// Invalid payment request
38    #[error("Invalid payment request")]
39    InvalidPaymentRequest,
40    /// Bolt11 invoice does not have amount
41    #[error("Invoice Amount undefined")]
42    InvoiceAmountUndefined,
43    /// Split Values must be less then or equal to amount
44    #[error("Split Values must be less then or equal to amount")]
45    SplitValuesGreater,
46    /// Amount overflow
47    #[error("Amount Overflow")]
48    AmountOverflow,
49    /// Witness missing or invalid
50    #[error("Signature missing or invalid")]
51    SignatureMissingOrInvalid,
52    /// Amountless Invoice Not supported
53    #[error("Amount Less Invoice is not allowed")]
54    AmountLessNotAllowed,
55    /// Multi-Part Internal Melt Quotes are not supported
56    #[error("Multi-Part Internal Melt Quotes are not supported")]
57    InternalMultiPartMeltQuote,
58    /// Multi-Part Payment not supported for unit and method
59    #[error("Multi-Part payment is not supported for unit `{0}` and method `{1}`")]
60    MppUnitMethodNotSupported(CurrencyUnit, PaymentMethod),
61    /// Clear Auth Required
62    #[error("Clear Auth Required")]
63    ClearAuthRequired,
64    /// Blind Auth Required
65    #[error("Blind Auth Required")]
66    BlindAuthRequired,
67    /// Clear Auth Failed
68    #[error("Clear Auth Failed")]
69    ClearAuthFailed,
70    /// Blind Auth Failed
71    #[error("Blind Auth Failed")]
72    BlindAuthFailed,
73    /// Auth settings undefined
74    #[error("Auth settings undefined")]
75    AuthSettingsUndefined,
76    /// Mint time outside of tolerance
77    #[error("Mint time outside of tolerance")]
78    MintTimeExceedsTolerance,
79    /// Insufficient blind auth tokens
80    #[error("Insufficient blind auth tokens, must reauth")]
81    InsufficientBlindAuthTokens,
82    /// Auth localstore undefined
83    #[error("Auth localstore undefined")]
84    AuthLocalstoreUndefined,
85    /// Wallet cat not set
86    #[error("Wallet cat not set")]
87    CatNotSet,
88    /// Could not get mint info
89    #[error("Could not get mint info")]
90    CouldNotGetMintInfo,
91    /// Multi-Part Payment not supported for unit and method
92    #[error("Amountless invoices are not supported for unit `{0}` and method `{1}`")]
93    AmountlessInvoiceNotSupported(CurrencyUnit, PaymentMethod),
94
95    // Mint Errors
96    /// Minting is disabled
97    #[error("Minting is disabled")]
98    MintingDisabled,
99    /// Quote is not known
100    #[error("Unknown quote")]
101    UnknownQuote,
102    /// Quote is expired
103    #[error("Expired quote: Expired: `{0}`, Time: `{1}`")]
104    ExpiredQuote(u64, u64),
105    /// Amount is outside of allowed range
106    #[error("Amount must be between `{0}` and `{1}` is `{2}`")]
107    AmountOutofLimitRange(Amount, Amount, Amount),
108    /// Quote is not paiud
109    #[error("Quote not paid")]
110    UnpaidQuote,
111    /// Quote is pending
112    #[error("Quote pending")]
113    PendingQuote,
114    /// ecash already issued for quote
115    #[error("Quote already issued")]
116    IssuedQuote,
117    /// Quote has already been paid
118    #[error("Quote is already paid")]
119    PaidQuote,
120    /// Payment state is unknown
121    #[error("Payment state is unknown")]
122    UnknownPaymentState,
123    /// Melting is disabled
124    #[error("Minting is disabled")]
125    MeltingDisabled,
126    /// Unknown Keyset
127    #[error("Unknown Keyset")]
128    UnknownKeySet,
129    /// BlindedMessage is already signed
130    #[error("Blinded Message is already signed")]
131    BlindedMessageAlreadySigned,
132    /// Inactive Keyset
133    #[error("Inactive Keyset")]
134    InactiveKeyset,
135    /// Transaction unbalanced
136    #[error("Inputs: `{0}`, Outputs: `{1}`, Expected Fee: `{2}`")]
137    TransactionUnbalanced(u64, u64, u64),
138    /// Duplicate proofs provided
139    #[error("Duplicate Inputs")]
140    DuplicateInputs,
141    /// Duplicate output
142    #[error("Duplicate outputs")]
143    DuplicateOutputs,
144    /// Multiple units provided
145    #[error("Cannot have multiple units")]
146    MultipleUnits,
147    /// Unit mismatch
148    #[error("Input unit must match output")]
149    UnitMismatch,
150    /// Sig all cannot be used in melt
151    #[error("Sig all cannot be used in melt")]
152    SigAllUsedInMelt,
153    /// Token is already spent
154    #[error("Token Already Spent")]
155    TokenAlreadySpent,
156    /// Token is already pending
157    #[error("Token Pending")]
158    TokenPending,
159    /// Internal Error
160    #[error("Internal Error")]
161    Internal,
162    /// Oidc config not set
163    #[error("Oidc client not set")]
164    OidcNotSet,
165
166    // Wallet Errors
167    /// P2PK spending conditions not met
168    #[error("P2PK condition not met `{0}`")]
169    P2PKConditionsNotMet(String),
170    /// Spending Locktime not provided
171    #[error("Spending condition locktime not provided")]
172    LocktimeNotProvided,
173    /// Invalid Spending Conditions
174    #[error("Invalid spending conditions: `{0}`")]
175    InvalidSpendConditions(String),
176    /// Incorrect Wallet
177    #[error("Incorrect wallet: `{0}`")]
178    IncorrectWallet(String),
179    /// Unknown Wallet
180    #[error("Unknown wallet: `{0}`")]
181    #[cfg(feature = "wallet")]
182    UnknownWallet(WalletKey),
183    /// Max Fee Ecxeded
184    #[error("Max fee exceeded")]
185    MaxFeeExceeded,
186    /// Url path segments could not be joined
187    #[error("Url path segments could not be joined")]
188    UrlPathSegments,
189    ///  Unknown error response
190    #[error("Unknown error response: `{0}`")]
191    UnknownErrorResponse(String),
192    /// Invalid DLEQ proof
193    #[error("Could not verify DLEQ proof")]
194    CouldNotVerifyDleq,
195    /// Dleq Proof not provided for signature
196    #[error("Dleq proof not provided for signature")]
197    DleqProofNotProvided,
198    /// Incorrect Mint
199    /// Token does not match wallet mint
200    #[error("Token does not match wallet mint")]
201    IncorrectMint,
202    /// Receive can only be used with tokens from single mint
203    #[error("Multiple mint tokens not supported by receive. Please deconstruct the token and use receive with_proof")]
204    MultiMintTokenNotSupported,
205    /// Preimage not provided
206    #[error("Preimage not provided")]
207    PreimageNotProvided,
208    /// Insufficient Funds
209    #[error("Insufficient funds")]
210    InsufficientFunds,
211    /// Unexpected proof state
212    #[error("Unexpected proof state")]
213    UnexpectedProofState,
214    /// No active keyset
215    #[error("No active keyset")]
216    NoActiveKeyset,
217    /// Incorrect quote amount
218    #[error("Incorrect quote amount")]
219    IncorrectQuoteAmount,
220    /// Invoice Description not supported
221    #[error("Invoice Description not supported")]
222    InvoiceDescriptionUnsupported,
223    /// Invalid transaction direction
224    #[error("Invalid transaction direction")]
225    InvalidTransactionDirection,
226    /// Invalid transaction id
227    #[error("Invalid transaction id")]
228    InvalidTransactionId,
229    /// Custom Error
230    #[error("`{0}`")]
231    Custom(String),
232
233    // External Error conversions
234    /// Parse invoice error
235    #[error(transparent)]
236    Invoice(#[from] lightning_invoice::ParseOrSemanticError),
237    /// Bip32 error
238    #[error(transparent)]
239    Bip32(#[from] bitcoin::bip32::Error),
240    /// Parse int error
241    #[error(transparent)]
242    ParseInt(#[from] std::num::ParseIntError),
243    /// Parse 9rl Error
244    #[error(transparent)]
245    UrlParseError(#[from] url::ParseError),
246    /// Utf8 parse error
247    #[error(transparent)]
248    Utf8ParseError(#[from] std::string::FromUtf8Error),
249    /// Serde Json error
250    #[error(transparent)]
251    SerdeJsonError(#[from] serde_json::Error),
252    /// Base64 error
253    #[error(transparent)]
254    Base64Error(#[from] bitcoin::base64::DecodeError),
255    /// From hex error
256    #[error(transparent)]
257    HexError(#[from] hex::Error),
258    /// Http transport error
259    #[error("Http transport error: {0}")]
260    HttpError(String),
261    #[cfg(feature = "wallet")]
262    // Crate error conversions
263    /// Cashu Url Error
264    #[error(transparent)]
265    CashuUrl(#[from] crate::mint_url::Error),
266    /// Secret error
267    #[error(transparent)]
268    Secret(#[from] crate::secret::Error),
269    /// Amount Error
270    #[error(transparent)]
271    AmountError(#[from] crate::amount::Error),
272    /// DHKE Error
273    #[error(transparent)]
274    DHKE(#[from] crate::dhke::Error),
275    /// NUT00 Error
276    #[error(transparent)]
277    NUT00(#[from] crate::nuts::nut00::Error),
278    /// Nut01 error
279    #[error(transparent)]
280    NUT01(#[from] crate::nuts::nut01::Error),
281    /// NUT02 error
282    #[error(transparent)]
283    NUT02(#[from] crate::nuts::nut02::Error),
284    /// NUT03 error
285    #[error(transparent)]
286    NUT03(#[from] crate::nuts::nut03::Error),
287    /// NUT04 error
288    #[error(transparent)]
289    NUT04(#[from] crate::nuts::nut04::Error),
290    /// NUT05 error
291    #[error(transparent)]
292    NUT05(#[from] crate::nuts::nut05::Error),
293    /// NUT11 Error
294    #[error(transparent)]
295    NUT11(#[from] crate::nuts::nut11::Error),
296    /// NUT12 Error
297    #[error(transparent)]
298    NUT12(#[from] crate::nuts::nut12::Error),
299    /// NUT13 Error
300    #[error(transparent)]
301    #[cfg(feature = "wallet")]
302    NUT13(#[from] crate::nuts::nut13::Error),
303    /// NUT14 Error
304    #[error(transparent)]
305    NUT14(#[from] crate::nuts::nut14::Error),
306    /// NUT18 Error
307    #[error(transparent)]
308    NUT18(#[from] crate::nuts::nut18::Error),
309    /// NUT20 Error
310    #[error(transparent)]
311    NUT20(#[from] crate::nuts::nut20::Error),
312    /// NUTXX Error
313    #[error(transparent)]
314    NUT21(#[from] crate::nuts::nut21::Error),
315    /// NUTXX1 Error
316    #[error(transparent)]
317    NUT22(#[from] crate::nuts::nut22::Error),
318    /// Database Error
319    #[error(transparent)]
320    Database(#[from] crate::database::Error),
321    /// Payment Error
322    #[error(transparent)]
323    #[cfg(feature = "mint")]
324    Payment(#[from] crate::payment::Error),
325}
326
327/// CDK Error Response
328///
329/// See NUT definition in [00](https://github.com/cashubtc/nuts/blob/main/00.md)
330#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
331#[cfg_attr(feature = "swagger", derive(utoipa::ToSchema))]
332pub struct ErrorResponse {
333    /// Error Code
334    pub code: ErrorCode,
335    /// Human readable Text
336    pub error: Option<String>,
337    /// Longer human readable description
338    pub detail: Option<String>,
339}
340
341impl fmt::Display for ErrorResponse {
342    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
343        write!(
344            f,
345            "code: {}, error: {}, detail: {}",
346            self.code,
347            self.error.clone().unwrap_or_default(),
348            self.detail.clone().unwrap_or_default()
349        )
350    }
351}
352
353impl ErrorResponse {
354    /// Create new [`ErrorResponse`]
355    pub fn new(code: ErrorCode, error: Option<String>, detail: Option<String>) -> Self {
356        Self {
357            code,
358            error,
359            detail,
360        }
361    }
362
363    /// Error response from json
364    pub fn from_json(json: &str) -> Result<Self, serde_json::Error> {
365        let value: Value = serde_json::from_str(json)?;
366
367        Self::from_value(value)
368    }
369
370    /// Error response from json Value
371    pub fn from_value(value: Value) -> Result<Self, serde_json::Error> {
372        match serde_json::from_value::<ErrorResponse>(value.clone()) {
373            Ok(res) => Ok(res),
374            Err(_) => Ok(Self {
375                code: ErrorCode::Unknown(999),
376                error: Some(value.to_string()),
377                detail: None,
378            }),
379        }
380    }
381}
382
383impl From<Error> for ErrorResponse {
384    fn from(err: Error) -> ErrorResponse {
385        match err {
386            Error::TokenAlreadySpent => ErrorResponse {
387                code: ErrorCode::TokenAlreadySpent,
388                error: Some(err.to_string()),
389                detail: None,
390            },
391            Error::UnsupportedUnit => ErrorResponse {
392                code: ErrorCode::UnsupportedUnit,
393                error: Some(err.to_string()),
394                detail: None,
395            },
396            Error::PaymentFailed => ErrorResponse {
397                code: ErrorCode::LightningError,
398                error: Some(err.to_string()),
399                detail: None,
400            },
401            Error::RequestAlreadyPaid => ErrorResponse {
402                code: ErrorCode::InvoiceAlreadyPaid,
403                error: Some("Invoice already paid.".to_string()),
404                detail: None,
405            },
406            Error::TransactionUnbalanced(inputs_total, outputs_total, fee_expected) => {
407                ErrorResponse {
408                    code: ErrorCode::TransactionUnbalanced,
409                    error: Some(format!(
410                        "Inputs: {}, Outputs: {}, expected_fee: {}",
411                        inputs_total, outputs_total, fee_expected,
412                    )),
413                    detail: Some("Transaction inputs should equal outputs less fee".to_string()),
414                }
415            }
416            Error::MintingDisabled => ErrorResponse {
417                code: ErrorCode::MintingDisabled,
418                error: Some(err.to_string()),
419                detail: None,
420            },
421            Error::BlindedMessageAlreadySigned => ErrorResponse {
422                code: ErrorCode::BlindedMessageAlreadySigned,
423                error: Some(err.to_string()),
424                detail: None,
425            },
426            Error::InsufficientFunds => ErrorResponse {
427                code: ErrorCode::TransactionUnbalanced,
428                error: Some(err.to_string()),
429                detail: None,
430            },
431            Error::AmountOutofLimitRange(_min, _max, _amount) => ErrorResponse {
432                code: ErrorCode::AmountOutofLimitRange,
433                error: Some(err.to_string()),
434                detail: None,
435            },
436            Error::ExpiredQuote(_, _) => ErrorResponse {
437                code: ErrorCode::QuoteExpired,
438                error: Some(err.to_string()),
439                detail: None,
440            },
441            Error::PendingQuote => ErrorResponse {
442                code: ErrorCode::QuotePending,
443                error: Some(err.to_string()),
444                detail: None,
445            },
446            Error::TokenPending => ErrorResponse {
447                code: ErrorCode::TokenPending,
448                error: Some(err.to_string()),
449                detail: None,
450            },
451            Error::ClearAuthRequired => ErrorResponse {
452                code: ErrorCode::ClearAuthRequired,
453                error: None,
454                detail: None,
455            },
456            Error::ClearAuthFailed => ErrorResponse {
457                code: ErrorCode::ClearAuthFailed,
458                error: None,
459                detail: None,
460            },
461            Error::BlindAuthRequired => ErrorResponse {
462                code: ErrorCode::BlindAuthRequired,
463                error: None,
464                detail: None,
465            },
466            Error::BlindAuthFailed => ErrorResponse {
467                code: ErrorCode::BlindAuthFailed,
468                error: None,
469                detail: None,
470            },
471            Error::NUT20(err) => ErrorResponse {
472                code: ErrorCode::WitnessMissingOrInvalid,
473                error: Some(err.to_string()),
474                detail: None,
475            },
476            Error::DuplicateInputs => ErrorResponse {
477                code: ErrorCode::DuplicateInputs,
478                error: Some(err.to_string()),
479                detail: None,
480            },
481            Error::DuplicateOutputs => ErrorResponse {
482                code: ErrorCode::DuplicateOutputs,
483                error: Some(err.to_string()),
484                detail: None,
485            },
486            Error::MultipleUnits => ErrorResponse {
487                code: ErrorCode::MultipleUnits,
488                error: Some(err.to_string()),
489                detail: None,
490            },
491            Error::UnitMismatch => ErrorResponse {
492                code: ErrorCode::UnitMismatch,
493                error: Some(err.to_string()),
494                detail: None,
495            },
496            _ => ErrorResponse {
497                code: ErrorCode::Unknown(9999),
498                error: Some(err.to_string()),
499                detail: None,
500            },
501        }
502    }
503}
504
505impl From<ErrorResponse> for Error {
506    fn from(err: ErrorResponse) -> Error {
507        match err.code {
508            ErrorCode::TokenAlreadySpent => Self::TokenAlreadySpent,
509            ErrorCode::QuoteNotPaid => Self::UnpaidQuote,
510            ErrorCode::QuotePending => Self::PendingQuote,
511            ErrorCode::QuoteExpired => Self::ExpiredQuote(0, 0),
512            ErrorCode::KeysetNotFound => Self::UnknownKeySet,
513            ErrorCode::KeysetInactive => Self::InactiveKeyset,
514            ErrorCode::BlindedMessageAlreadySigned => Self::BlindedMessageAlreadySigned,
515            ErrorCode::UnsupportedUnit => Self::UnsupportedUnit,
516            ErrorCode::TransactionUnbalanced => Self::TransactionUnbalanced(0, 0, 0),
517            ErrorCode::MintingDisabled => Self::MintingDisabled,
518            ErrorCode::InvoiceAlreadyPaid => Self::RequestAlreadyPaid,
519            ErrorCode::TokenNotVerified => Self::DHKE(crate::dhke::Error::TokenNotVerified),
520            ErrorCode::LightningError => Self::PaymentFailed,
521            ErrorCode::AmountOutofLimitRange => {
522                Self::AmountOutofLimitRange(Amount::default(), Amount::default(), Amount::default())
523            }
524            ErrorCode::TokenPending => Self::TokenPending,
525            ErrorCode::WitnessMissingOrInvalid => Self::SignatureMissingOrInvalid,
526            ErrorCode::DuplicateInputs => Self::DuplicateInputs,
527            ErrorCode::DuplicateOutputs => Self::DuplicateOutputs,
528            ErrorCode::MultipleUnits => Self::MultipleUnits,
529            ErrorCode::UnitMismatch => Self::UnitMismatch,
530            ErrorCode::ClearAuthRequired => Self::ClearAuthRequired,
531            ErrorCode::BlindAuthRequired => Self::BlindAuthRequired,
532            _ => Self::UnknownErrorResponse(err.to_string()),
533        }
534    }
535}
536
537/// Possible Error Codes
538#[derive(Debug, Clone, Copy, Hash, PartialEq, Eq)]
539#[cfg_attr(feature = "swagger", derive(utoipa::ToSchema))]
540pub enum ErrorCode {
541    /// Token is already spent
542    TokenAlreadySpent,
543    /// Token Pending
544    TokenPending,
545    /// Quote is not paid
546    QuoteNotPaid,
547    /// Quote is not expired
548    QuoteExpired,
549    /// Quote Pending
550    QuotePending,
551    /// Keyset is not found
552    KeysetNotFound,
553    /// Keyset inactive
554    KeysetInactive,
555    /// Blinded Message Already signed
556    BlindedMessageAlreadySigned,
557    /// Unsupported unit
558    UnsupportedUnit,
559    /// Token already issed for quote
560    TokensAlreadyIssued,
561    /// Minting Disabled
562    MintingDisabled,
563    /// Invoice Already Paid
564    InvoiceAlreadyPaid,
565    /// Token Not Verified
566    TokenNotVerified,
567    /// Lightning Error
568    LightningError,
569    /// Unbalanced Error
570    TransactionUnbalanced,
571    /// Amount outside of allowed range
572    AmountOutofLimitRange,
573    /// Witness missing or invalid
574    WitnessMissingOrInvalid,
575    /// Duplicate Inputs
576    DuplicateInputs,
577    /// Duplicate Outputs
578    DuplicateOutputs,
579    /// Multiple Units
580    MultipleUnits,
581    /// Input unit does not match output
582    UnitMismatch,
583    /// Clear Auth Required
584    ClearAuthRequired,
585    /// Clear Auth Failed
586    ClearAuthFailed,
587    /// Blind Auth Required
588    BlindAuthRequired,
589    /// Blind Auth Failed
590    BlindAuthFailed,
591    /// Unknown error code
592    Unknown(u16),
593}
594
595impl ErrorCode {
596    /// Error code from u16
597    pub fn from_code(code: u16) -> Self {
598        match code {
599            10002 => Self::BlindedMessageAlreadySigned,
600            10003 => Self::TokenNotVerified,
601            11001 => Self::TokenAlreadySpent,
602            11002 => Self::TransactionUnbalanced,
603            11005 => Self::UnsupportedUnit,
604            11006 => Self::AmountOutofLimitRange,
605            11007 => Self::DuplicateInputs,
606            11008 => Self::DuplicateOutputs,
607            11009 => Self::MultipleUnits,
608            11010 => Self::UnitMismatch,
609            11012 => Self::TokenPending,
610            12001 => Self::KeysetNotFound,
611            12002 => Self::KeysetInactive,
612            20000 => Self::LightningError,
613            20001 => Self::QuoteNotPaid,
614            20002 => Self::TokensAlreadyIssued,
615            20003 => Self::MintingDisabled,
616            20005 => Self::QuotePending,
617            20006 => Self::InvoiceAlreadyPaid,
618            20007 => Self::QuoteExpired,
619            20008 => Self::WitnessMissingOrInvalid,
620            30001 => Self::ClearAuthRequired,
621            30002 => Self::ClearAuthFailed,
622            31001 => Self::BlindAuthRequired,
623            31002 => Self::BlindAuthFailed,
624            _ => Self::Unknown(code),
625        }
626    }
627
628    /// Error code to u16
629    pub fn to_code(&self) -> u16 {
630        match self {
631            Self::BlindedMessageAlreadySigned => 10002,
632            Self::TokenNotVerified => 10003,
633            Self::TokenAlreadySpent => 11001,
634            Self::TransactionUnbalanced => 11002,
635            Self::UnsupportedUnit => 11005,
636            Self::AmountOutofLimitRange => 11006,
637            Self::DuplicateInputs => 11007,
638            Self::DuplicateOutputs => 11008,
639            Self::MultipleUnits => 11009,
640            Self::UnitMismatch => 11010,
641            Self::TokenPending => 11012,
642            Self::KeysetNotFound => 12001,
643            Self::KeysetInactive => 12002,
644            Self::LightningError => 20000,
645            Self::QuoteNotPaid => 20001,
646            Self::TokensAlreadyIssued => 20002,
647            Self::MintingDisabled => 20003,
648            Self::QuotePending => 20005,
649            Self::InvoiceAlreadyPaid => 20006,
650            Self::QuoteExpired => 20007,
651            Self::WitnessMissingOrInvalid => 20008,
652            Self::ClearAuthRequired => 30001,
653            Self::ClearAuthFailed => 30002,
654            Self::BlindAuthRequired => 31001,
655            Self::BlindAuthFailed => 31002,
656            Self::Unknown(code) => *code,
657        }
658    }
659}
660
661impl Serialize for ErrorCode {
662    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
663    where
664        S: Serializer,
665    {
666        serializer.serialize_u16(self.to_code())
667    }
668}
669
670impl<'de> Deserialize<'de> for ErrorCode {
671    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
672    where
673        D: Deserializer<'de>,
674    {
675        let code = u16::deserialize(deserializer)?;
676
677        Ok(ErrorCode::from_code(code))
678    }
679}
680
681impl fmt::Display for ErrorCode {
682    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
683        write!(f, "{}", self.to_code())
684    }
685}
cdk_common/error.rs

cdk_common/
error.rs
