optimize JSON parameter handling

Author: b-l-u-e

src/warnet/bitcoin.py

@@ -39,11 +39,20 @@ def rpc(tank: str, method: str, params: list[str], namespace: Optional[str]):
 
 
 def _rpc(tank: str, method: str, params: list[str], namespace: Optional[str] = None):
+    # bitcoin-cli should be able to read bitcoin.conf inside the container
+    # so no extra args like port, chain, username or password are needed
     namespace = get_default_namespace_or(namespace)
 
     if params:
-        # Shell-escape each param to preserve quotes and special characters
-        bitcoin_cli_args = " ".join(shlex.quote(p) for p in params)
+        # Check if any parameter looks like JSON (starts with [ or {)
+        has_json = any(p.strip().startswith("[") or p.strip().startswith("{") for p in params)
+        if has_json:
+            # For JSON parameters, use shell escaping to preserve the structure
+            bitcoin_cli_args = " ".join(shlex.quote(p) for p in params)
+        else:
+            # For non-JSON parameters, use simple space joining
+            bitcoin_cli_args = " ".join(map(str, params))
+
         cmd = f"kubectl -n {namespace} exec {tank} --container {BITCOINCORE_CONTAINER} -- bitcoin-cli {method} {bitcoin_cli_args}"
     else:
         cmd = f"kubectl -n {namespace} exec {tank} --container {BITCOINCORE_CONTAINER} -- bitcoin-cli {method}"