Refactored bitcoin driver programs

side-node/src/bitcoin/driver/simple_transfer.rs

@@ -0,0 +1,28 @@
+use crate::bitcoin::client::BitcoinClient;
+use crate::bitcoin::driver;
+use bdk::wallet::AddressIndex;
+
+pub async fn run() -> Result<(), anyhow::Error> {
+    let (mut dave, sammy) = driver::setup().await?;
+
+    let send_amount = 500;
+    let _ = ensure_enough_sats(&dave, send_amount);
+
+    let sammy_address = sammy.wallet.get_address(AddressIndex::New)?;
+    let tx = dave.build_and_sign_send_tx(sammy_address, send_amount)?;
+    dave.broadcast(&tx)?;
+
+    Ok(())
+}
+
+/// Exit if the wallet does not have enough sats to send.
+fn ensure_enough_sats(wallet: &BitcoinClient, send_amount: u64) -> anyhow::Result<()> {
+    if wallet.wallet.get_balance()?.get_total() < send_amount {
+        tracing::error!(
+            "Please send at least {} sats to the receiving address. Exiting.",
+            send_amount
+        );
+        std::process::exit(0);
+    }
+    Ok(())
+}