cdk-common 0.16.0-rc.3

CDK common types and traits
Documentation 
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//! Unified Mint Quote types for mint use-cases.

use serde::de::DeserializeOwned;
use serde::{Deserialize, Serialize};

use crate::nuts::nut00::KnownMethod;
use crate::nuts::nut04::{MintQuoteCustomRequest, MintQuoteCustomResponse};
use crate::nuts::nut23::{MintQuoteBolt11Request, MintQuoteBolt11Response};
use crate::nuts::nut25::{MintQuoteBolt12Request, MintQuoteBolt12Response};
use crate::{Amount, CurrencyUnit, PaymentMethod, PublicKey};

/// Unified mint quote request for all payment methods
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum MintQuoteRequest {
    /// Bolt11 (Lightning invoice)
    Bolt11(MintQuoteBolt11Request),
    /// Bolt12 (Offers)
    Bolt12(MintQuoteBolt12Request),
    /// Custom payment method
    Custom((PaymentMethod, MintQuoteCustomRequest)),
}

impl From<MintQuoteBolt11Request> for MintQuoteRequest {
    fn from(request: MintQuoteBolt11Request) -> Self {
        MintQuoteRequest::Bolt11(request)
    }
}

impl From<MintQuoteBolt12Request> for MintQuoteRequest {
    fn from(request: MintQuoteBolt12Request) -> Self {
        MintQuoteRequest::Bolt12(request)
    }
}

impl MintQuoteRequest {
    /// Returns the payment method for this request.
    pub fn method(&self) -> PaymentMethod {
        match self {
            Self::Bolt11(_) => PaymentMethod::Known(KnownMethod::Bolt11),
            Self::Bolt12(_) => PaymentMethod::Known(KnownMethod::Bolt12),
            Self::Custom((method, _)) => method.clone(),
        }
    }

    /// Returns the amount for this request when present.
    pub fn amount(&self) -> Option<Amount> {
        match self {
            Self::Bolt11(request) => Some(request.amount),
            Self::Bolt12(request) => request.amount,
            Self::Custom((_, request)) => Some(request.amount),
        }
    }

    /// Returns the unit for this request.
    pub fn unit(&self) -> CurrencyUnit {
        match self {
            Self::Bolt11(request) => request.unit.clone(),
            Self::Bolt12(request) => request.unit.clone(),
            Self::Custom((_, request)) => request.unit.clone(),
        }
    }

    /// Returns the payment method for this request.
    pub fn payment_method(&self) -> PaymentMethod {
        self.method()
    }

    /// Returns the pubkey for this request when present.
    pub fn pubkey(&self) -> Option<PublicKey> {
        match self {
            Self::Bolt11(request) => request.pubkey,
            Self::Bolt12(request) => Some(request.pubkey),
            Self::Custom((_, request)) => request.pubkey,
        }
    }
}

/// Unified mint quote response for all payment methods
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(bound = "Q: Serialize + DeserializeOwned")]
pub enum MintQuoteResponse<Q> {
    /// Bolt11 (Lightning invoice)
    Bolt11(MintQuoteBolt11Response<Q>),
    /// Bolt12 (Offers)
    Bolt12(MintQuoteBolt12Response<Q>),
    /// Custom payment method
    Custom((PaymentMethod, MintQuoteCustomResponse<Q>)),
}

impl<Q> MintQuoteResponse<Q> {
    /// Returns the payment method for this response.
    pub fn method(&self) -> PaymentMethod {
        match self {
            Self::Bolt11(_) => PaymentMethod::Known(KnownMethod::Bolt11),
            Self::Bolt12(_) => PaymentMethod::Known(KnownMethod::Bolt12),
            Self::Custom((method, _)) => method.clone(),
        }
    }

    /// Returns the quote ID.
    pub fn quote(&self) -> &Q {
        match self {
            Self::Bolt11(r) => &r.quote,
            Self::Bolt12(r) => &r.quote,
            Self::Custom((_, r)) => &r.quote,
        }
    }

    /// Returns the payment request string.
    pub fn request(&self) -> &str {
        match self {
            Self::Bolt11(r) => &r.request,
            Self::Bolt12(r) => &r.request,
            Self::Custom((_, r)) => &r.request,
        }
    }

    /// Returns the quote state.
    pub fn state(&self) -> crate::nuts::nut23::QuoteState {
        match self {
            Self::Bolt11(r) => r.state,
            Self::Bolt12(r) => {
                if r.amount_issued > Amount::ZERO {
                    crate::nuts::nut23::QuoteState::Issued
                } else if r.amount_paid >= r.amount.unwrap_or(Amount::ZERO) {
                    crate::nuts::nut23::QuoteState::Paid
                } else {
                    crate::nuts::nut23::QuoteState::Unpaid
                }
            }
            Self::Custom((_, r)) => r.state,
        }
    }

    /// Returns the quote expiry timestamp.
    pub fn expiry(&self) -> Option<u64> {
        match self {
            Self::Bolt11(r) => r.expiry,
            Self::Bolt12(r) => r.expiry,
            Self::Custom((_, r)) => r.expiry,
        }
    }
}