Allow multiple Blockchain variation by generic

Instead of the BlockChainType macro, this adds a init_blockchain generic
function which creates a BlockChain type from the a given TestClient.

This now can be used for external users of custom BlockChain to run the tests.

Author: rajarshimaitra

src/blockchain/electrum.rs

@@ -333,9 +333,15 @@ mod test {
     use crate::testutils::configurable_blockchain_tests::ConfigurableBlockchainTester;
     use crate::wallet::{AddressIndex, Wallet};
 
+    fn init_blockchain(test_client: &TestClient) -> ElectrumBlockchain {
+        AnyBlockchain::Electrum(Box::new(ElectrumBlockchain::from(
+            electrum_client::new(&test_client.electrsd.electrum_url).unwrap(),
+        )))
+    }
+
     make_blockchain_tests![
-        blockchain BlockchainType::ElectrumBlockchain,
-        tests (
+        init_blockchain,
+        tests(
             test_sync_simple,
             test_sync_stop_gap_20,
             test_sync_before_and_after_receive,

src/blockchain/esplora/mod.rs

@@ -159,10 +159,20 @@ pub mod test {
     #[cfg(feature = "test-esplora")]
     use crate::testutils::blockchain_tests::BlockchainType;
 
+    fn init_blockchain(test_client: &TestClient) -> EsploraBlockchain {
+        EsploraBlockchain::new(
+            &format!(
+                "http://{}",
+                test_client.electrsd.esplora_url.as_ref().unwrap()
+            ),
+            20,
+        )
+    }
+
     #[cfg(feature = "test-esplora")]
     make_blockchain_tests![
-        blockchain BlockchainType::EsploraBlockchain,
-        tests (
+        init_blockchain,
+        tests(
             test_sync_simple,
             test_sync_stop_gap_20,
             test_sync_before_and_after_receive,

src/blockchain/rpc.rs

@@ -866,7 +866,6 @@ pub mod test {
     use crate::descriptor::into_wallet_descriptor_checked;
     use crate::descriptor::AsDerived;
     use crate::make_blockchain_tests;
-    use crate::testutils::blockchain_tests::BlockchainType;
     use crate::testutils::blockchain_tests::TestClient;
     use crate::wallet::utils::SecpCtx;
 
@@ -875,9 +874,28 @@ pub mod test {
     use log::LevelFilter;
     use miniscript::DescriptorTrait;
 
+    pub fn init_blockchain(test_client: &TestClient) -> RpcBlockchain {
+        let config = RpcConfig {
+            url: test_client.bitcoind.rpc_url(),
+            auth: Auth::Cookie {
+                file: test_client.bitcoind.params.cookie_file.clone(),
+            },
+            network: Network::Regtest,
+            wallet_name: format!(
+                "client-wallet-test-{}",
+                std::time::SystemTime::now()
+                    .duration_since(std::time::UNIX_EPOCH)
+                    .unwrap()
+                    .as_nanos()
+            ),
+            sync_params: Some(RpcSyncParams::default()),
+        };
+        RpcBlockchain::from_config(&config).unwrap()
+    }
+
     make_blockchain_tests![
-        blockchain BlockchainType::RpcBlockchain,
-        tests (
+        init_blockchain,
+        tests(
             test_sync_simple,
             test_sync_stop_gap_20,
             test_sync_before_and_after_receive,
@@ -905,8 +923,8 @@ pub mod test {
 
     #[cfg(not(feature = "test-rpc-legacy"))]
     make_blockchain_tests![
-        blockchain BlockchainType::RpcBlockchain,
-        tests (
+        init_blockchain,
+        tests(
             test_send_to_bech32m_addr,
             test_taproot_key_spend,
             test_taproot_script_spend,