Add a send test

coins/monero/tests/send.rs

@@ -0,0 +1,56 @@
+use rand::rngs::OsRng;
+
+use curve25519_dalek::constants::ED25519_BASEPOINT_TABLE;
+
+use monero::{
+  network::Network,
+  util::{key::PublicKey, address::Address}
+};
+
+use monero_serai::{
+  random_scalar,
+  transaction,
+  rpc::Rpc
+};
+
+mod rpc;
+use crate::rpc::mine_block;
+
+#[tokio::test]
+pub async fn send() {
+  let rpc = Rpc::new("http://127.0.0.1:18081".to_string());
+
+  // Generate an address
+  let view = random_scalar(&mut OsRng);
+  let spend = random_scalar(&mut OsRng);
+  let spend_pub = &spend * &ED25519_BASEPOINT_TABLE;
+
+  let addr = Address::standard(
+    Network::Mainnet,
+    PublicKey { point: spend_pub.compress() },
+    PublicKey { point: (&view * &ED25519_BASEPOINT_TABLE).compress() }
+  );
+
+  let fee_per_byte = 50000000;
+  let fee = fee_per_byte * 2000;
+
+  let mut tx;
+  let mut output;
+  let mut amount;
+  for i in 0 .. 2 {
+    let start = rpc.get_height().await.unwrap();
+    for _ in 0 .. 7 {
+      mine_block(&rpc, addr.to_string()).await.unwrap();
+    }
+
+    // Test both a miner output and a normal output
+    tx = rpc.get_block_transactions(start).await.unwrap().swap_remove(i);
+    output = transaction::scan(&tx, view, spend_pub).swap_remove(0);
+    // Test creating a zero change output and a non-zero change output
+    amount = output.commitment.amount - fee - u64::try_from(i).unwrap();
+    let tx = transaction::send(
+      &mut OsRng, &rpc, &spend, &vec![output], &vec![(addr, amount)], addr, fee_per_byte
+    ).await.unwrap();
+    rpc.publish_transaction(&tx).await.unwrap();
+  }
+}