Create 17_5_main-sendtx.rs

src/17_5_main-sendtx.rs

@@ -0,0 +1,88 @@
+use bitcoincore_rpc::{json, Auth, Client, RpcApi};
+use bitcoincore_rpc::bitcoin::{Amount};
+use std::collections::HashMap;
+
+fn main() {
+    let rpc = Client::new(
+        "http://localhost:18332".to_string(),
+        Auth::UserPass("StandUp".to_string(), "6305f1b2dbb3bc5a16cd0f4aac7e1eba".to_string()),
+    )
+    .unwrap();
+
+    let balance = rpc.get_balance(None, None).unwrap();
+    println!("Balance: {:?} BTC", balance.as_btc());
+
+// 0. Generate a recipient address
+
+    let myaddress = rpc
+        .get_new_address(Option::Some("BlockchainCommons"), Option::Some(json::AddressType::Bech32))
+        .unwrap();
+    println!("address: {:?}", myaddress);
+
+// 1. List UTXOs
+
+    let unspent = rpc
+    .list_unspent(
+        None,
+        None,
+        None,
+        None,
+        Option::Some(json::ListUnspentQueryOptions {
+            minimum_amount: Option::Some(Amount::from_btc(0.01).unwrap()),
+            maximum_amount: None,
+            maximum_count: None,
+            minimum_sum_amount: None,
+        }),
+    )
+    .unwrap();
+
+    let selected_tx = &unspent[0];
+
+    println!("selected unspent transaction: {:#?}", selected_tx);
+
+// 2. Populate Variables
+
+    let selected_utxos = json::CreateRawTransactionInput {
+        txid: selected_tx.txid,
+        vout: selected_tx.vout,
+        sequence: None,
+    };
+
+    let unspent_amount = selected_tx.amount;
+    let amount = unspent_amount - Amount::from_btc(0.00001).unwrap();
+
+    let mut output = HashMap::new();
+    output.insert(
+        myaddress.to_string(),
+        amount,
+    );
+
+// 3. Create Raw Transaction
+
+    let unsigned_tx = rpc
+        .create_raw_transaction(&[selected_utxos], &output, None, None)
+        .unwrap();
+
+    println!("unsigned tx {:#?}", unsigned_tx);
+
+// 4. Sign Transaction
+
+    let signed_tx = rpc
+        .sign_raw_transaction_with_wallet(&unsigned_tx, None, None)
+        .unwrap();
+
+    println!("signed tx {:?}", signed_tx.transaction().unwrap());
+
+// 5. Send Transaction
+
+    let txid_sent = rpc
+        .send_raw_transaction(&signed_tx.transaction().unwrap())
+        .unwrap();
+
+    println!("{:?}", txid_sent);
+
+// 6. Cleanup
+
+    let unspent_amount = selected_tx.amount;
+
+}