test: add scenario 'regtest'

test/run-tests.sh

@@ -181,6 +181,7 @@ all() {
     scenario=default buildTest "$@"
     scenario=netns buildTest "$@"
     scenario=full buildTest "$@"
+    scenario=regtest buildTest "$@"
 }
 
 build() {

test/tests.nix

@@ -120,6 +120,38 @@ let testEnv = rec {
       tests.backups = mkForce false;
     };
 
+    # All regtest-enabled services
+    regtest = {
+      imports = [ scenarios.regtestBase ];
+      services.clightning.enable = true;
+      services.spark-wallet.enable = true;
+      services.lnd.enable = true;
+      services.lightning-loop.enable = true;
+      services.electrs.enable = true;
+      services.btcpayserver.enable = true;
+      services.joinmarket.enable = true;
+    };
+
+    regtestBase = {
+      tests.regtest = true;
+
+      services.bitcoind.regtest = true;
+      systemd.services.bitcoind.postStart = mkAfter ''
+        cli=${config.services.bitcoind.cli}/bin/bitcoin-cli
+        address=$($cli getnewaddress)
+        $cli generatetoaddress 10 $address
+      '';
+
+      # lightning-loop contains no builtin swap server for regtest.
+      # Add a dummy definition.
+      services.lightning-loop.extraConfig = ''
+        server.host=localhost
+      '';
+
+      # Needs wallet support which is unavailable for regtest
+      services.joinmarket.yieldgenerator.enable = mkForce false;
+    };
+
     ## Examples / debug helper
 
     # Run a selection of tests in scenario 'netns'

test/tests.py

@@ -326,6 +326,27 @@ def _():
     assert_no_failure("bitcoind-import-banlist")
 
 
+@test("regtest")
+def _():
+    if "electrs" in enabled_tests:
+        machine.wait_until_succeeds(log_has_string("electrs", "BlockchainInfo"))
+        get_block_height_cmd = (
+            """echo '{"method": "blockchain.headers.subscribe", "id": 0, "params": []}'"""
+            f" | nc -N {ip('electrs')} 50001 | jq -M .result.height"
+        )
+        assert_full_match(get_block_height_cmd, "10\n")
+    if "clightning" in enabled_tests:
+        machine.wait_until_succeeds(
+            "[[ $(sudo -u operator lightning-cli getinfo | jq -M .blockheight) == 10 ]]"
+        )
+    if "lnd" in enabled_tests:
+        machine.wait_until_succeeds(
+            "[[ $(sudo -u operator lncli getinfo | jq -M .block_height) == 10 ]]"
+        )
+    if "lightning-loop" in enabled_tests:
+        machine.wait_until_succeeds(log_has_string("lightning-loop", "Connected to lnd node"))
+
+
 if "netns-isolation" in enabled_tests:
 
     def ip(name):