intergration tests

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integration_test/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "integration_test"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+bitcoin = "0.30.0"
+cashu-rs = {path = ".."}
+tokio = { version = "1.28.0", features = ["full"] }
+url = "2.3.1"
+lightning-invoice = { version = "0.22.0", features=["serde"] }
+serde_json = "1.0.96"

integration_test/src/main.rs

@@ -0,0 +1,147 @@
+// #![deny(unused)]
+
+use std::str::FromStr;
+use std::thread;
+use std::time::Duration;
+
+use bitcoin::Amount;
+use cashu_rs::cashu_mint::CashuMint;
+use cashu_rs::cashu_wallet::CashuWallet;
+use cashu_rs::types::{BlindedMessages, MintKeys, ProofsStatus, Token, TokenData};
+use lightning_invoice::Invoice;
+use url::Url;
+
+#[tokio::main]
+async fn main() {
+    let url =
+        Url::from_str("https://legend.lnbits.com/cashu/api/v1/SKvHRus9dmjWHhstHrsazW/").unwrap();
+    let mint = CashuMint::new(url);
+
+    // NUT-09
+    // test_get_mint_info(&mint).await;
+
+    let keys = test_get_mint_keys(&mint).await;
+    let wallet = CashuWallet::new(mint.to_owned(), keys);
+    test_get_mint_keysets(&mint).await;
+    test_request_mint(&wallet).await;
+    let token = test_mint(&wallet).await;
+    let new_token = test_receive(&wallet, &token).await;
+
+    test_check_spendable(&mint, &new_token).await;
+
+    test_check_fees(&mint).await;
+}
+
+async fn test_get_mint_keys(mint: &CashuMint) -> MintKeys {
+    let mint_keys = mint.get_keys().await.unwrap();
+    // println!("{:?}", mint_keys.0.capacity());
+    assert!(mint_keys.0.capacity() > 1);
+
+    mint_keys
+}
+
+async fn test_get_mint_keysets(mint: &CashuMint) {
+    let mint_keysets = mint.get_keysets().await.unwrap();
+
+    assert!(!mint_keysets.keysets.is_empty())
+}
+
+async fn test_request_mint(wallet: &CashuWallet) {
+    let mint = wallet.request_mint(Amount::from_sat(21)).await.unwrap();
+
+    assert!(mint.pr.check_signature().is_ok())
+}
+
+async fn test_mint(wallet: &CashuWallet) -> String {
+    let mint_req = wallet.request_mint(Amount::from_sat(21)).await.unwrap();
+    println!("Mint Req: {:?}", mint_req.pr.to_string());
+
+    // Since before the mint happens the invoice in the mint req has to be payed this wait is here
+    // probally some way to simulate this in a better way
+    // but for now pay it quick
+    thread::sleep(Duration::from_secs(30));
+
+    let mint_res = wallet
+        .mint_token(Amount::from_sat(21), &mint_req.hash)
+        .await
+        .unwrap();
+
+    println!("Mint: {:?}", mint_res.to_string());
+
+    mint_res.to_string()
+}
+
+async fn test_check_fees(mint: &CashuMint) {
+    let invoice = Invoice::from_str("lnbc10n1p3a6s0dsp5n55r506t2fv4r0mjcg30v569nk2u9s40ur4v3r3mgtscjvkvnrqqpp5lzfv8fmjzduelk74y9rsrxrayvhyzcdsh3zkdgv0g50napzalvqsdqhf9h8vmmfvdjn5gp58qengdqxq8p3aaymdcqpjrzjqwryaup9lh50kkranzgcdnn2fgvx390wgj5jd07rwr3vxeje0glc7z70cgqqg4sqqqqqqqlgqqqqrucqjq9qyysgqrjky5axsldzhqsjwsc38xa37k6t04le3ws4t26nqej62vst5xkz56qw85r6c4a3tr79588e0ceuuahwgfnkqc6n6269unlwqtvwr5vqqy0ncdq").unwrap();
+
+    let _fee = mint.check_fees(invoice).await.unwrap();
+    // println!("{fee:?}");
+}
+
+async fn test_receive(wallet: &CashuWallet, token: &str) -> String {
+    let prom = wallet.receive(token).await.unwrap();
+    println!("{:?}", prom);
+    let token = Token {
+        mint: wallet.mint.url.clone(),
+        proofs: prom,
+    };
+
+    let token = TokenData {
+        token: vec![token],
+        memo: Some("Hello world".to_string()),
+    };
+
+    let s = token.to_string();
+    println!("{s}");
+    s
+}
+
+async fn test_check_spendable(mint: &CashuMint, token: &str) {
+    let mint_keys = mint.get_keys().await.unwrap();
+
+    let wallet = CashuWallet::new(mint.to_owned(), mint_keys);
+
+    let token_data = TokenData::from_str(token).unwrap();
+    let _spendable = wallet
+        .check_proofs_spent(token_data.token[0].clone().proofs)
+        .await
+        .unwrap();
+    // println!("Spendable: {:?}", spendable);
+}
+
+async fn test_split(mint: &CashuMint, token: &str) {
+    let mint_keys = mint.get_keys().await.unwrap();
+
+    let wallet = CashuWallet::new(mint.clone(), mint_keys);
+    let proofs = wallet.receive(token).await.unwrap();
+
+    let split = wallet
+        .create_split(Amount::ONE_SAT, Amount::ONE_SAT, proofs)
+        .await
+        .unwrap();
+
+    println!("Split: {:#?}", split);
+    println!(
+        "splint JSON {:?}",
+        serde_json::to_string(&split.split_payload)
+    );
+
+    let split = mint.split(split.split_payload).await;
+    println!("Split res: {:#?}", split);
+}
+
+async fn test_send(mint: &CashuMint, token: &str) {
+    let mint_keys = mint.get_keys().await.unwrap();
+
+    let wallet = CashuWallet::new(mint.to_owned(), mint_keys);
+    let prom = wallet.receive(token).await.unwrap();
+    let send = wallet.send(Amount::from_sat(2), prom).await.unwrap();
+
+    println!("{:?}", send);
+}
+
+async fn test_get_mint_info(mint: &CashuMint) {
+    let _mint_info = mint.get_info().await.unwrap();
+
+    // println!("{:?}", mint_info);
+}

src/cashu_mint.rs

@@ -1,4 +1,7 @@
+use std::collections::HashMap;
+
 use bitcoin::Amount;
+use k256::PublicKey;
 use lightning_invoice::Invoice;
 use serde_json::Value;
 use url::Url;
@@ -26,7 +29,18 @@ impl CashuMint {
     /// Get Mint Keys [NUT-01]
     pub async fn get_keys(&self) -> Result<MintKeys, Error> {
         let url = self.url.join("keys")?;
-        Ok(minreq::get(url).send()?.json::<MintKeys>()?)
+        let keys = minreq::get(url).send()?.json::<HashMap<u64, String>>()?;
+
+        Ok(MintKeys(
+            keys.into_iter()
+                .map(|(k, v)| {
+                    (
+                        k,
+                        PublicKey::from_sec1_bytes(&hex::decode(v).unwrap()).unwrap(),
+                    )
+                })
+                .collect(),
+        ))
     }
 
     /// Get Keysets [NUT-02]

src/cashu_wallet.rs

@@ -4,11 +4,11 @@ use bitcoin::Amount;
 
 use crate::{
     cashu_mint::CashuMint,
-    dhke::construct_proof,
+    dhke::{construct_proofs, unblind_message},
     error::Error,
     types::{
-        BlindedMessages, MintKeys, Proof, ProofsStatus, RequestMintResponse, SendProofs,
-        SplitPayload, SplitRequest, TokenData,
+        BlindedMessage, BlindedMessages, MintKeys, Proof, ProofsStatus, RequestMintResponse,
+        SendProofs, SplitPayload, SplitRequest, Token, TokenData,
     },
 };
 
@@ -43,6 +43,33 @@ impl CashuWallet {
         self.mint.request_mint(amount).await
     }
 
+    /// Mint Token
+    pub async fn mint_token(&self, amount: Amount, payment_hash: &str) -> Result<TokenData, Error> {
+        let blinded_messages = BlindedMessages::random(amount)?;
+
+        let mint_res = self
+            .mint
+            .mint(blinded_messages.clone(), payment_hash)
+            .await?;
+
+        let proofs = construct_proofs(
+            mint_res.promises,
+            blinded_messages.rs,
+            blinded_messages.secrets,
+            &self.keys,
+        )?;
+
+        let token = Token {
+            mint: self.mint.url.clone(),
+            proofs,
+        };
+
+        Ok(TokenData {
+            token: vec![token],
+            memo: None,
+        })
+    }
+
     /// Check fee
     pub async fn check_fee(&self, invoice: lightning_invoice::Invoice) -> Result<Amount, Error> {
         Ok(self.mint.check_fees(invoice).await?.fee)
@@ -80,7 +107,7 @@ impl CashuWallet {
             let split_response = self.mint.split(split_payload.split_payload).await?;
 
             // Proof to keep
-            let keep_proofs = construct_proof(
+            let keep_proofs = construct_proofs(
                 split_response.fst,
                 split_payload.keep_blinded_messages.rs,
                 split_payload.keep_blinded_messages.secrets,
@@ -88,7 +115,7 @@ impl CashuWallet {
             )?;
 
             // Proofs to send
-            let send_proofs = construct_proof(
+            let send_proofs = construct_proofs(
                 split_response.snd,
                 split_payload.send_blinded_messages.rs,
                 split_payload.send_blinded_messages.secrets,
@@ -167,7 +194,7 @@ impl CashuWallet {
         let split_response = self.mint.split(split_payload.split_payload).await?;
 
         // Proof to keep
-        let keep_proofs = construct_proof(
+        let keep_proofs = construct_proofs(
             split_response.fst,
             split_payload.keep_blinded_messages.rs,
             split_payload.keep_blinded_messages.secrets,
@@ -175,7 +202,7 @@ impl CashuWallet {
         )?;
 
         // Proofs to send
-        let send_proofs = construct_proof(
+        let send_proofs = construct_proofs(
             split_response.snd,
             split_payload.send_blinded_messages.rs,
             split_payload.send_blinded_messages.secrets,

src/dhke.rs

@@ -94,7 +94,7 @@ fn _verify_message(a: SecretKey, unblinded_message: PublicKey, msg: &str) -> Res
 }
 
 /// Construct Proof
-pub fn construct_proof(
+pub fn construct_proofs(
     promises: Vec<Promise>,
     rs: Vec<SecretKey>,
     secrets: Vec<String>,
@@ -103,17 +103,9 @@ pub fn construct_proof(
     let mut proofs = vec![];
     for (i, promise) in promises.into_iter().enumerate() {
         let blinded_c = promise.c;
-        let a: PublicKey = PublicKey::from_sec1_bytes(
-            keys.0
-                .get(&promise.amount.to_sat())
-                .unwrap()
-                .to_owned()
-                .as_bytes(),
-        )
-        .unwrap();
+        let a: PublicKey = keys.0.get(&promise.amount.to_sat()).unwrap().to_owned();
         // println!("Construct proof Pub {:?}", serde_json::to_string(&a));
-        todo!();
-        let unblinded_signature = unblind_message(blinded_c, rs[i], a)?;
+        let unblinded_signature = unblind_message(blinded_c, rs[i].clone(), a)?;
 
         let proof = Proof {
             id: Some(promise.id),

src/serde_utils.rs

@@ -8,7 +8,7 @@ pub mod serde_url {
     where
         S: serde::Serializer,
     {
-        serializer.serialize_str(url.as_ref())
+        serializer.serialize_str(url.to_string().trim_end_matches('/'))
     }
 
     pub fn deserialize<'de, D>(deserializer: D) -> Result<Url, D::Error>

src/types.rs

@@ -125,8 +125,8 @@ pub struct Proof {
 }
 
 /// Mint Keys [NUT-01]
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-pub struct MintKeys(pub HashMap<u64, String>);
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct MintKeys(pub HashMap<u64, PublicKey>);
 
 /// Mint Keysets [UT-02]
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
@@ -321,6 +321,15 @@ impl FromStr for TokenData {
         Ok(token)
     }
 }
+
+impl ToString for TokenData {
+    fn to_string(&self) -> String {
+        let json_string = serde_json::to_string(self).unwrap();
+        let encoded = general_purpose::STANDARD.encode(json_string);
+        format!("cashuA{}", encoded)
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -334,14 +343,20 @@ mod tests {
     }
 
     #[test]
-    fn test_token_from_str() {
-        let token = "cashuAeyJ0b2tlbiI6W3sibWludCI6Imh0dHBzOi8vODMzMy5zcGFjZTozMzM4IiwicHJvb2ZzIjpbeyJpZCI6IkRTQWw5bnZ2eWZ2YSIsImFtb3VudCI6Miwic2VjcmV0IjoiRWhwZW5uQzlxQjNpRmxXOEZaX3BadyIsIkMiOiIwMmMwMjAwNjdkYjcyN2Q1ODZiYzMxODNhZWNmOTdmY2I4MDBjM2Y0Y2M0NzU5ZjY5YzYyNmM5ZGI1ZDhmNWI1ZDQifSx7ImlkIjoiRFNBbDludnZ5ZnZhIiwiYW1vdW50Ijo4LCJzZWNyZXQiOiJUbVM2Q3YwWVQ1UFVfNUFUVktudWt3IiwiQyI6IjAyYWM5MTBiZWYyOGNiZTVkNzMyNTQxNWQ1YzI2MzAyNmYxNWY5Yjk2N2EwNzljYTk3NzlhYjZlNWMyZGIxMzNhNyJ9XX1dLCJtZW1vIjoiVGhhbmt5b3UuIn0=";
-        let token = TokenData::from_str(token).unwrap();
+    fn test_token_str_round_trip() {
+        let token_str = "cashuAeyJ0b2tlbiI6W3sibWludCI6Imh0dHBzOi8vODMzMy5zcGFjZTozMzM4IiwicHJvb2ZzIjpbeyJpZCI6IkRTQWw5bnZ2eWZ2YSIsImFtb3VudCI6Miwic2VjcmV0IjoiRWhwZW5uQzlxQjNpRmxXOEZaX3BadyIsIkMiOiIwMmMwMjAwNjdkYjcyN2Q1ODZiYzMxODNhZWNmOTdmY2I4MDBjM2Y0Y2M0NzU5ZjY5YzYyNmM5ZGI1ZDhmNWI1ZDQifSx7ImlkIjoiRFNBbDludnZ5ZnZhIiwiYW1vdW50Ijo4LCJzZWNyZXQiOiJUbVM2Q3YwWVQ1UFVfNUFUVktudWt3IiwiQyI6IjAyYWM5MTBiZWYyOGNiZTVkNzMyNTQxNWQ1YzI2MzAyNmYxNWY5Yjk2N2EwNzljYTk3NzlhYjZlNWMyZGIxMzNhNyJ9XX1dLCJtZW1vIjoiVGhhbmt5b3UuIn0=";
+        let token = TokenData::from_str(token_str).unwrap();
 
         assert_eq!(
             token.token[0].mint,
             Url::from_str("https://8333.space:3338").unwrap()
         );
         assert_eq!(token.token[0].proofs[0].clone().id.unwrap(), "DSAl9nvvyfva");
+
+        let encoded = &token.to_string();
+
+        let token_data = TokenData::from_str(encoded).unwrap();
+
+        assert_eq!(token_data, token);
     }
 }