Include send to pubkey condition in payment request

crates/cdk-cli/src/sub_commands/create_request.rs

@@ -1,6 +1,9 @@
 use anyhow::Result;
 use cdk::nuts::nut18::TransportType;
-use cdk::nuts::{CurrencyUnit, PaymentRequest, PaymentRequestPayload, Token, Transport};
+use cdk::nuts::{
+    CurrencyUnit, PaymentRequest, PaymentRequestPayload, PublicKey as CdkPublicKey, Token,
+    Transport,
+};
 use cdk::wallet::MultiMintWallet;
 use clap::Args;
 use nostr_sdk::nips::nip19::Nip19Profile;
@@ -14,6 +17,9 @@ pub struct CreateRequestSubCommand {
     /// Currency unit e.g. sat
     #[arg(default_value = "sat")]
     unit: String,
+    /// Public key
+    #[arg(short, long)]
+    pubkey: Option<CdkPublicKey>,
     /// Quote description
     description: Option<String>,
 }
@@ -48,6 +54,7 @@ pub async fn create_request(
         mints: Some(mints),
         description: sub_command_args.description.clone(),
         transports: vec![nostr_transport],
+        public_key: sub_command_args.pubkey,
     };
 
     println!("{}", req);

crates/cdk-cli/src/sub_commands/pay_request.rs

@@ -3,7 +3,7 @@ use std::io::{self, Write};
 use anyhow::{anyhow, Result};
 use cdk::amount::SplitTarget;
 use cdk::nuts::nut18::TransportType;
-use cdk::nuts::{PaymentRequest, PaymentRequestPayload};
+use cdk::nuts::{PaymentRequest, PaymentRequestPayload, SpendingConditions};
 use cdk::wallet::{MultiMintWallet, SendKind};
 use clap::Args;
 use nostr_sdk::nips::nip19::Nip19Profile;
@@ -81,11 +81,15 @@ pub async fn pay_request(
         })
         .ok_or(anyhow!("No supported transport method found"))?;
 
+    let conditions = payment_request
+        .public_key
+        .map(|pk| SpendingConditions::new_p2pk(pk, None));
+
     let proofs = matching_wallet
         .send(
             amount,
             None,
-            None,
+            conditions,
             &SplitTarget::default(),
             &SendKind::default(),
             true,

crates/cdk/src/nuts/nut18.rs

@@ -10,7 +10,7 @@ use bitcoin::base64::{alphabet, Engine};
 use serde::{Deserialize, Serialize};
 use thiserror::Error;
 
-use super::{CurrencyUnit, Proofs};
+use super::{CurrencyUnit, Proofs, PublicKey};
 use crate::mint_url::MintUrl;
 use crate::Amount;
 
@@ -95,6 +95,9 @@ pub struct PaymentRequest {
     /// Transport
     #[serde(rename = "t")]
     pub transports: Vec<Transport>,
+    /// Public key
+    #[serde(rename = "p")]
+    pub public_key: Option<PublicKey>,
 }
 
 impl fmt::Display for PaymentRequest {
@@ -180,6 +183,7 @@ mod tests {
             mints: Some(vec!["https://nofees.testnut.cashu.space".parse()?]),
             description: None,
             transports: vec![transport.clone()],
+            public_key: None,
         };
 
         let request_str = request.to_string();