getrawtransaction should take a bool for verbose

src/rpc/rawtransaction.cpp

@@ -135,17 +135,17 @@ UniValue getrawtransaction(const JSONRPCRequest& request)
             "or there is an unspent output in the utxo for this transaction. To make it always work,\n"
             "you need to maintain a transaction index, using the -txindex command line option.\n"
             "\nReturn the raw transaction data.\n"
-            "\nIf verbose=0, returns a string that is serialized, hex-encoded data for 'txid'.\n"
-            "If verbose is non-zero, returns an Object with information about 'txid'.\n"
+            "\nIf verbose is 'true', returns an Object with information about 'txid'.\n"
+            "If verbose is 'false' or omitted, returns a string that is serialized, hex-encoded data for 'txid'.\n"
 
             "\nArguments:\n"
             "1. \"txid\"      (string, required) The transaction id\n"
-            "2. verbose       (numeric, optional, default=0) If 0, return a string, other return a json object\n"
+            "2. verbose       (bool, optional, default=false) If true, return a string, other return a json object\n"
 
-            "\nResult (if verbose is not set or set to 0):\n"
+            "\nResult (if verbose is not set or set to false):\n"
             "\"data\"      (string) The serialized, hex-encoded data for 'txid'\n"
 
-            "\nResult (if verbose > 0):\n"
+            "\nResult (if verbose is set to true):\n"
             "{\n"
             "  \"hex\" : \"data\",       (string) The serialized, hex-encoded data for 'txid'\n"
             "  \"txid\" : \"id\",        (string) The transaction id (same as provided)\n"
@@ -192,17 +192,31 @@ UniValue getrawtransaction(const JSONRPCRequest& request)
 
             "\nExamples:\n"
             + HelpExampleCli("getrawtransaction", "\"mytxid\"")
-            + HelpExampleCli("getrawtransaction", "\"mytxid\" 1")
-            + HelpExampleRpc("getrawtransaction", "\"mytxid\", 1")
+            + HelpExampleCli("getrawtransaction", "\"mytxid\" true")
+            + HelpExampleRpc("getrawtransaction", "\"mytxid\", true")
         );
 
     LOCK(cs_main);
 
     uint256 hash = ParseHashV(request.params[0], "parameter 1");
 
+    // Accept either a bool (true) or a num (>=1) to indicate verbose output.
     bool fVerbose = false;
-    if (request.params.size() > 1)
-        fVerbose = (request.params[1].get_int() != 0);
+    if (request.params.size() > 1) {
+        if (request.params[1].isNum()) {
+            if (request.params[1].get_int() != 0) {
+                fVerbose = true;
+            }
+        }
+        else if(request.params[1].isBool()) {
+            if(request.params[1].isTrue()) {
+                fVerbose = true;
+            }
+        }
+        else {
+            throw JSONRPCError(RPC_TYPE_ERROR, "Invalid type provided. Verbose parameter must be a boolean.");
+        } 
+    }
 
     CTransaction tx;
     uint256 hashBlock;