Add feature flags

crates/cashu/Cargo.toml

@@ -6,10 +6,14 @@ description = "Cashu shared types and crypto utilities, used as the foundation f
 rust-version = "1.63.0"                                                                                      # MSRV
 
 [features]
+default = ["mint", "wallet"]
 swagger = ["dep:utoipa"]
+mint = ["dep:uuid"]
+wallet = []
 bench = []
 
 [dependencies]
+uuid = { version = "1", features = ["v4", "serde"], optional = true }
 bitcoin = { version = "0.32.2", features = [
     "base64",
     "serde",
@@ -24,7 +28,6 @@ lightning-invoice = { version = "0.32.0", features = ["serde", "std"] }
 thiserror = "2"
 tracing = "0.1"
 url = "2.3"
-uuid = { version = "1", features = ["v4", "serde"] }
 utoipa = { version = "4", optional = true }
 serde_json = "1"
 serde_with = "3"

crates/cashu/src/lib.rs

@@ -2,11 +2,14 @@
 //!
 pub mod amount;
 pub mod dhke;
+#[cfg(feature = "mint")]
 pub mod mint;
 pub mod mint_url;
 pub mod nuts;
 pub mod secret;
 pub mod util;
+#[cfg(feature = "wallet")]
+pub mod wallet;
 
 pub use lightning_invoice::{self, Bolt11Invoice};
 

crates/cashu/src/nuts/mod.rs

@@ -28,7 +28,9 @@ pub use nut00::{
     Proofs, ProofsMethods, Token, TokenV3, TokenV4, Witness,
 };
 pub use nut01::{Keys, KeysResponse, PublicKey, SecretKey};
-pub use nut02::{Id, KeySet, KeySetInfo, KeysetResponse, MintKeySet};
+#[cfg(feature = "mint")]
+pub use nut02::MintKeySet;
+pub use nut02::{Id, KeySet, KeySetInfo, KeysetResponse};
 pub use nut03::{PreSwap, SwapRequest, SwapResponse};
 pub use nut04::{
     MintBolt11Request, MintBolt11Response, MintMethodSettings, MintQuoteBolt11Request,

crates/cashu/src/nuts/nut00/mod.rs

@@ -379,6 +379,7 @@ pub enum CurrencyUnit {
     Custom(String),
 }
 
+#[cfg(feature = "mint")]
 impl CurrencyUnit {
     /// Derivation index mint will use for unit
     pub fn derivation_index(&self) -> Option<u32> {

crates/cashu/src/nuts/nut04.rs

@@ -8,6 +8,7 @@ use std::str::FromStr;
 use serde::de::DeserializeOwned;
 use serde::{Deserialize, Serialize};
 use thiserror::Error;
+#[cfg(feature = "mint")]
 use uuid::Uuid;
 
 use super::nut00::{BlindSignature, BlindedMessage, CurrencyUnit, PaymentMethod};
@@ -115,6 +116,7 @@ impl<Q: ToString> MintQuoteBolt11Response<Q> {
     }
 }
 
+#[cfg(feature = "mint")]
 impl From<MintQuoteBolt11Response<Uuid>> for MintQuoteBolt11Response<String> {
     fn from(value: MintQuoteBolt11Response<Uuid>) -> Self {
         Self {
@@ -127,6 +129,7 @@ impl From<MintQuoteBolt11Response<Uuid>> for MintQuoteBolt11Response<String> {
     }
 }
 
+#[cfg(feature = "mint")]
 impl From<crate::mint::MintQuote> for MintQuoteBolt11Response<Uuid> {
     fn from(mint_quote: crate::mint::MintQuote) -> MintQuoteBolt11Response<Uuid> {
         MintQuoteBolt11Response {
@@ -155,6 +158,7 @@ pub struct MintBolt11Request<Q> {
     pub signature: Option<String>,
 }
 
+#[cfg(feature = "mint")]
 impl TryFrom<MintBolt11Request<String>> for MintBolt11Request<Uuid> {
     type Error = uuid::Error;
 

crates/cashu/src/nuts/nut05.rs

@@ -9,10 +9,12 @@ use serde::de::DeserializeOwned;
 use serde::{Deserialize, Deserializer, Serialize};
 use serde_json::Value;
 use thiserror::Error;
+#[cfg(feature = "mint")]
 use uuid::Uuid;
 
 use super::nut00::{BlindSignature, BlindedMessage, CurrencyUnit, PaymentMethod, Proofs};
 use super::nut15::Mpp;
+#[cfg(feature = "mint")]
 use crate::mint::{self, MeltQuote};
 use crate::nuts::MeltQuoteState;
 use crate::{Amount, Bolt11Invoice};
@@ -192,6 +194,7 @@ impl<Q: ToString> MeltQuoteBolt11Response<Q> {
     }
 }
 
+#[cfg(feature = "mint")]
 impl From<MeltQuoteBolt11Response<Uuid>> for MeltQuoteBolt11Response<String> {
     fn from(value: MeltQuoteBolt11Response<Uuid>) -> Self {
         Self {
@@ -207,6 +210,7 @@ impl From<MeltQuoteBolt11Response<Uuid>> for MeltQuoteBolt11Response<String> {
     }
 }
 
+#[cfg(feature = "mint")]
 impl From<&MeltQuote> for MeltQuoteBolt11Response<Uuid> {
     fn from(melt_quote: &MeltQuote) -> MeltQuoteBolt11Response<Uuid> {
         MeltQuoteBolt11Response {
@@ -306,6 +310,7 @@ impl<'de, Q: DeserializeOwned> Deserialize<'de> for MeltQuoteBolt11Response<Q> {
     }
 }
 
+#[cfg(feature = "mint")]
 impl From<mint::MeltQuote> for MeltQuoteBolt11Response<Uuid> {
     fn from(melt_quote: mint::MeltQuote) -> MeltQuoteBolt11Response<Uuid> {
         let paid = melt_quote.state == QuoteState::Paid;
@@ -337,6 +342,7 @@ pub struct MeltBolt11Request<Q> {
     pub outputs: Option<Vec<BlindedMessage>>,
 }
 
+#[cfg(feature = "mint")]
 impl TryFrom<MeltBolt11Request<String>> for MeltBolt11Request<Uuid> {
     type Error = uuid::Error;
 

crates/cashu/src/nuts/nut17/mod.rs

@@ -1,8 +1,10 @@
 //! Specific Subscription for the cdk crate
 use serde::de::DeserializeOwned;
 use serde::{Deserialize, Serialize};
+#[cfg(feature = "mint")]
 use uuid::Uuid;
 
+#[cfg(feature = "mint")]
 use super::PublicKey;
 use crate::nuts::{
     CurrencyUnit, MeltQuoteBolt11Response, MintQuoteBolt11Response, PaymentMethod, ProofState,
@@ -97,6 +99,7 @@ impl<T> From<MintQuoteBolt11Response<T>> for NotificationPayload<T> {
     }
 }
 
+#[cfg(feature = "mint")]
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
 /// A parsed notification
 pub enum Notification {
@@ -129,6 +132,7 @@ impl<I> AsRef<I> for Params<I> {
 /// Parsing error
 #[derive(thiserror::Error, Debug)]
 pub enum Error {
+    #[cfg(feature = "mint")]
     #[error("Uuid Error: {0}")]
     /// Uuid Error
     Uuid(#[from] uuid::Error),

crates/cdk-common/Cargo.toml

@@ -6,8 +6,11 @@ description = "CDK common types and traits"
 rust-version = "1.63.0"                     # MSRV
 
 [features]
+default = ["mint", "wallet"]
 swagger = ["dep:utoipa", "cashu/swagger"]
 bench = []
+wallet = ["cashu/wallet"]
+mint = ["cashu/mint", "dep:uuid"]
 
 [dependencies]
 async-trait = "0.1"
@@ -17,7 +20,7 @@ bitcoin = { version = "0.32.2", features = [
     "rand",
     "rand-std",
 ] }
-cashu = { path = "../cashu", version = "0.6.0" }
+cashu = { path = "../cashu", default-features = false, version = "0.6.0" }
 cbor-diag = "0.1.12"
 ciborium = { version = "0.2.2", default-features = false, features = ["std"] }
 once_cell = "1.20.2"
@@ -26,7 +29,7 @@ lightning-invoice = { version = "0.32.0", features = ["serde", "std"] }
 thiserror = "2"
 tracing = "0.1"
 url = "2.3"
-uuid = { version = "1", features = ["v4", "serde"] }
+uuid = { version = "1", features = ["v4", "serde"], optional = true }
 utoipa = { version = "4", optional = true }
 futures = "0.3.31"
 anyhow = "1.0"