Breez SDK token support

crates/breez-sdk/cli/src/commands.rs

@@ -59,9 +59,14 @@ pub enum Command {
         #[arg(short = 'r', long)]
         payment_request: String,
 
-        /// Optional amount to pay in satoshis
+        /// Optional amount to pay. By default is denominated in sats.
+        /// If a token identifier is provided, the amount will be denominated in the token base units.
         #[arg(short = 'a', long)]
         amount: Option<u64>,
+
+        /// Optional token identifier. May only be provided if the payment request is a spark address.
+        #[arg(short = 't', long)]
+        token_identifier: Option<String>,
     },
 
     /// Pay using LNURL
@@ -278,11 +283,13 @@ pub(crate) async fn execute_command(
         Command::Pay {
             payment_request,
             amount,
+            token_identifier,
         } => {
             let prepared_payment = sdk
                 .prepare_send_payment(PrepareSendPaymentRequest {
                     payment_request,
-                    amount_sats: amount,
+                    amount,
+                    token_identifier,
                 })
                 .await;
 

crates/breez-sdk/core/Cargo.toml

@@ -54,6 +54,8 @@ uuid.workspace = true
 uniffi = { workspace = true, optional = true }
 web-time.workspace = true
 x509-parser = { version = "0.16.0" }
+# TODO: switch to published version once CORS issue with `api-version` header is fixed
+sparkscan = { git = "https://github.com/breez/sparkscan-rs", rev = "250753cf6c9fd95a79c9f450b1f59534329251ab" }
 
 # Non-Wasm dependencies
 [target.'cfg(not(all(target_family = "wasm", target_os = "unknown")))'.dependencies]

crates/breez-sdk/core/src/error.rs

@@ -52,6 +52,9 @@ pub enum SdkError {
     #[error("Lnurl error: {0}")]
     LnurlError(String),
 
+    #[error("SparkScan error: {0}")]
+    SparkScanApiError(String),
+
     #[error("Error: {0}")]
     Generic(String),
 }
@@ -140,6 +143,12 @@ impl From<ServiceConnectivityError> for SdkError {
     }
 }
 
+impl From<sparkscan::Error<sparkscan::types::HttpValidationError>> for SdkError {
+    fn from(e: sparkscan::Error<sparkscan::types::HttpValidationError>) -> Self {
+        SdkError::SparkScanApiError(format!("{e:?}"))
+    }
+}
+
 impl From<LnurlServerError> for SdkError {
     fn from(value: LnurlServerError) -> Self {
         match value {