feat: payment process server

crates/cdk-common/src/proto/mod.rs

@@ -3,10 +3,20 @@ use std::str::FromStr;
 use cashu::{Bolt11Invoice, CurrencyUnit, MeltQuoteBolt11Request};
 use melt_options::Options;
 
-use crate::lightning::{CreateInvoiceResponse, PayInvoiceResponse};
+use crate::lightning::{CreateInvoiceResponse, PayInvoiceResponse, Settings};
 
 tonic::include_proto!("cdk_payment_processor");
 
+impl From<Settings> for SettingsResponse {
+    fn from(value: Settings) -> Self {
+        Self {
+            mpp: value.mpp,
+            unit: value.unit.to_string(),
+            invoice_description: value.invoice_description,
+        }
+    }
+}
+
 impl TryFrom<MakePaymentResponse> for PayInvoiceResponse {
     type Error = crate::error::Error;
     fn try_from(value: MakePaymentResponse) -> Result<Self, Self::Error> {
@@ -32,6 +42,16 @@ impl From<PayInvoiceResponse> for MakePaymentResponse {
     }
 }
 
+impl From<CreateInvoiceResponse> for CreatePaymentResponse {
+    fn from(value: CreateInvoiceResponse) -> Self {
+        Self {
+            request_lookup_id: value.request_lookup_id,
+            request: value.request.to_string(),
+            expiry: value.expiry,
+        }
+    }
+}
+
 impl TryFrom<CreatePaymentResponse> for CreateInvoiceResponse {
     type Error = crate::error::Error;
 
@@ -54,6 +74,17 @@ impl From<&MeltQuoteBolt11Request> for PaymentQuoteRequest {
     }
 }
 
+impl From<crate::lightning::PaymentQuoteResponse> for PaymentQuoteResponse {
+    fn from(value: crate::lightning::PaymentQuoteResponse) -> Self {
+        Self {
+            request_lookup_id: value.request_lookup_id,
+            amount: value.amount.into(),
+            fee: value.fee.into(),
+            state: QuoteState::from(value.state).into(),
+        }
+    }
+}
+
 impl From<cashu::nut05::MeltOptions> for MeltOptions {
     fn from(value: cashu::nut05::MeltOptions) -> Self {
         Self {
@@ -100,6 +131,7 @@ impl From<QuoteState> for cashu::nut05::QuoteState {
             QuoteState::Pending => Self::Pending,
             QuoteState::Unknown => Self::Unknown,
             QuoteState::Failed => Self::Failed,
+            QuoteState::Issued => Self::Unknown,
         }
     }
 }
@@ -116,6 +148,17 @@ impl From<cashu::nut05::QuoteState> for QuoteState {
     }
 }
 
+impl From<cashu::nut04::QuoteState> for QuoteState {
+    fn from(value: cashu::nut04::QuoteState) -> Self {
+        match value {
+            cashu::MintQuoteState::Unpaid => Self::Unpaid,
+            cashu::MintQuoteState::Paid => Self::Paid,
+            cashu::MintQuoteState::Pending => Self::Pending,
+            cashu::MintQuoteState::Issued => Self::Issued,
+        }
+    }
+}
+
 impl From<cashu::mint::MeltQuote> for MeltQuote {
     fn from(value: cashu::mint::MeltQuote) -> Self {
         Self {
@@ -133,6 +176,28 @@ impl From<cashu::mint::MeltQuote> for MeltQuote {
     }
 }
 
+impl TryFrom<MeltQuote> for cashu::mint::MeltQuote {
+    type Error = crate::error::Error;
+
+    fn try_from(value: MeltQuote) -> Result<Self, Self::Error> {
+        Ok(Self {
+            id: value
+                .id
+                .parse()
+                .map_err(|_| crate::error::Error::Internal)?,
+            unit: value.unit.parse()?,
+            amount: value.amount.into(),
+            request: value.request.clone(),
+            fee_reserve: value.fee_reserve.into(),
+            state: cashu::nut05::QuoteState::from(value.state()),
+            expiry: value.expiry,
+            payment_preimage: value.payment_preimage,
+            request_lookup_id: value.request_lookup_id,
+            msat_to_pay: value.msat_to_pay.map(|a| a.into()),
+        })
+    }
+}
+
 impl TryFrom<PaymentQuoteRequest> for MeltQuoteBolt11Request {
     type Error = crate::error::Error;
 

crates/cdk-common/src/proto/payment_processor.proto

@@ -54,6 +54,7 @@ enum QuoteState {
     PENDING = 2;
     UNKNOWN = 3;
     FAILED = 4;
+    ISSUED = 5;
 }