Add preliminary send payjoin support

Author: willowens14

Cargo.lock

@@ -11,7 +11,8 @@ keywords = ["bitcoin", "wallet", "descriptor", "psbt", "taproot"]
 readme = "README.md"
 license = "MIT"
 
-[dependencies]
+[dependencies] 
+# right here set path
 bdk = { version = "0.27.1", default-features = false, features = ["all-keys"] }
 bdk-macros = "0.6"
 clap = { version = "3.2.22", features = ["derive"] }
@@ -21,6 +22,12 @@ zeroize = "<1.4.0"
 dirs-next = "2.0"
 env_logger = "0.7"
 base64 = "^0.13"
+# payjoin dependencies
+payjoin = { version = "=0.8.0", features = ["send"] } 
+# reqwest 
+reqwest = { version = "0.11.4", features = ["blocking"] }
+
+
 
 # Optional dependencies
 rustyline = { version = "~9.0", optional = true }

Cargo.toml

@@ -527,6 +527,12 @@ pub enum OnlineWalletSubCommand {
         #[clap(name = "CONFIRMATIONS", long = "confirmations", default_value = "6")]
         confirmations: u32,
     },
+    /// Sends a Payjoin Transaction. Takes a valid payjoin bip21 uri.
+    SendPayjoin {
+        /// Sets the bip21 uri to send to.
+        #[clap(name = "URI", long = "uri")]
+        uri: String,
+    },
 }
 
 /// Subcommands for Key operations.
@@ -622,7 +628,7 @@ mod test {
         feature = "compact_filters",
         feature = "rpc"
     ))]
-    use super::OnlineWalletSubCommand::{Broadcast, Sync};
+    use super::OnlineWalletSubCommand::{Broadcast, SendPayjoin, Sync};
     use super::WalletSubCommand::OfflineWalletSubCommand;
     #[cfg(any(
         feature = "electrum",