Add RPC call decodescript

1 files changed, 27 insertions, 3 deletions

diff --git a/src/rpcrawtransaction.cpp b/src/rpcrawtransaction.cpp
index f08598f10e..5f33849f77 100644
--- a/src/rpcrawtransaction.cpp
+++ b/src/rpcrawtransaction.cpp
@@ -17,14 +17,15 @@ using namespace boost;
 using namespace boost::assign;
 using namespace json_spirit;
 
-void ScriptPubKeyToJSON(const CScript& scriptPubKey, Object& out)
+void ScriptPubKeyToJSON(const CScript& scriptPubKey, Object& out, bool fIncludeHex)
 {
     txnouttype type;
     vector<CTxDestination> addresses;
     int nRequired;
 
     out.push_back(Pair("asm", scriptPubKey.ToString()));
-    out.push_back(Pair("hex", HexStr(scriptPubKey.begin(), scriptPubKey.end())));
+    if (fIncludeHex)
+        out.push_back(Pair("hex", HexStr(scriptPubKey.begin(), scriptPubKey.end())));
 
     if (!ExtractDestinations(scriptPubKey, type, addresses, nRequired))
     {
@@ -73,7 +74,7 @@ void TxToJSON(const CTransaction& tx, const uint256 hashBlock, Object& entry)
         out.push_back(Pair("value", ValueFromAmount(txout.nValue)));
         out.push_back(Pair("n", (boost::int64_t)i));
         Object o;
-        ScriptPubKeyToJSON(txout.scriptPubKey, o);
+        ScriptPubKeyToJSON(txout.scriptPubKey, o, false);
         out.push_back(Pair("scriptPubKey", o));
         vout.push_back(out);
     }
@@ -301,6 +302,29 @@ Value decoderawtransaction(const Array& params, bool fHelp)
     return result;
 }
 
+Value decodescript(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() != 1)
+        throw runtime_error(
+            "decodescript <hex string>\n"
+            "Decode a hex-encoded script.");
+
+    RPCTypeCheck(params, list_of(str_type));
+
+    Object r;
+    CScript script;
+    if (params[0].get_str().size() > 0){
+        vector<unsigned char> scriptData(ParseHexV(params[0], "argument"));
+        script = CScript(scriptData.begin(), scriptData.end());
+    } else {
+        // Empty scripts are valid
+    }
+    ScriptPubKeyToJSON(script, r, false);
+
+    r.push_back(Pair("p2sh", CBitcoinAddress(script.GetID()).ToString()));
+    return r;
+}
+
 Value signrawtransaction(const Array& params, bool fHelp)
 {
     if (fHelp || params.size() < 1 || params.size() > 4)