Add configurable blockchian tests for RpcBlockchain

Author: evanlinjin

src/blockchain/rpc.rs

@@ -863,8 +863,12 @@ impl BlockchainFactory for RpcBlockchainFactory {
 #[cfg(test)]
 #[cfg(any(feature = "test-rpc", feature = "test-rpc-legacy"))]
 mod test {
+    use std::time;
+
     use super::*;
-    use crate::testutils::blockchain_tests::TestClient;
+    use crate::testutils::{
+        blockchain_tests::TestClient, configurable_blockchain_tests::ConfigurableBlockchainTester,
+    };
 
     use bitcoin::Network;
     use bitcoincore_rpc::RpcApi;
@@ -921,4 +925,39 @@ mod test {
             "prefix-bbbbbb"
         );
     }
+
+    #[test]
+    fn test_rpc_with_variable_configs() {
+        struct RpcTester;
+
+        impl RpcTester {
+            fn rand_wallet_name(&self) -> String {
+                let now = time::UNIX_EPOCH.elapsed().unwrap();
+                now.as_micros().to_string()
+            }
+        }
+
+        impl ConfigurableBlockchainTester<RpcBlockchain> for RpcTester {
+            const BLOCKCHAIN_NAME: &'static str = "Rpc";
+
+            fn config_with_stop_gap(
+                &self,
+                test_client: &mut TestClient,
+                stop_gap: usize,
+            ) -> Option<<RpcBlockchain as ConfigurableBlockchain>::Config> {
+                Some(RpcConfig {
+                    url: test_client.bitcoind.rpc_url(),
+                    auth: Auth::Cookie {
+                        file: test_client.bitcoind.params.cookie_file.clone(),
+                    },
+                    network: Network::Regtest,
+                    wallet_name: self.rand_wallet_name(),
+                    sync_params: Some(RpcSyncParams {
+                        stop_gap,
+                        ..Default::default()
+                    }),
+                })
+            }
+        }
+    }
 }