From d2a1ea23d1f40ea70be9c835f2ec949bca3713ea Mon Sep 17 00:00:00 2001
From: CryptoManiac <balthazar@yandex.ru>
Date: Fri, 1 Apr 2016 23:20:51 +0300
Subject: [PATCH] RPC: In addition to public key pairs, adjustmalleablepubkey method now understands malleable addresses and key views.

---
 src/key.cpp       |    8 +++++++-
 src/rpcwallet.cpp |   33 ++++++++++++++++++++++++++-------
 2 files changed, 33 insertions(+), 8 deletions(-)

diff --git a/src/key.cpp b/src/key.cpp
index 1c700d0..355d6dd 100644
--- a/src/key.cpp
+++ b/src/key.cpp
@@ -761,6 +761,8 @@ bool CMalleablePubKey::SetString(const std::string& strMalleablePubKey)
     if (!DecodeBase58Check(strMalleablePubKey, vchTemp)) {
         throw key_error("CMalleablePubKey::SetString() : Provided key data seems corrupted.");
     }
+    if (vchTemp.size() != 68)
+        return false;
 
     CDataStream ssKey(vchTemp, SER_NETWORK, PROTOCOL_VERSION);
     ssKey >> *this;
@@ -1028,7 +1030,8 @@ bool CMalleableKey::SetString(const std::string& strMutableKey)
     if (!DecodeBase58Check(strMutableKey, vchTemp)) {
         throw key_error("CMalleableKey::SetString() : Provided key data seems corrupted.");
     }
-
+    if (vchTemp.size() != 66)
+        return false;
     CDataStream ssKey(vchTemp, SER_NETWORK, PROTOCOL_VERSION);
     ssKey >> *this;
 
@@ -1172,6 +1175,9 @@ bool CMalleableKeyView::SetString(const std::string& strMutableKey)
         throw key_error("CMalleableKeyView::SetString() : Provided key data seems corrupted.");
     }
 
+    if (vchTemp.size() != 67)
+        return false;
+
     CDataStream ssKey(vchTemp, SER_NETWORK, PROTOCOL_VERSION);
     ssKey >> *this;
 
diff --git a/src/rpcwallet.cpp b/src/rpcwallet.cpp
index ba586e9..757e7f4 100644
--- a/src/rpcwallet.cpp
+++ b/src/rpcwallet.cpp
@@ -1744,6 +1744,7 @@ Value validateaddress(const Array& params, bool fHelp)
             CMalleableKeyView view;
             bool isMine = pwalletMain->GetMalleableView(mpk, view);
             ret.push_back(Pair("ismine", isMine));
+            ret.push_back(Pair("PubkeyPair", mpk.ToString()));
 
             if (isMine)
                 ret.push_back(Pair("KeyView", view.ToString()));
@@ -1981,16 +1982,34 @@ Value adjustmalleablepubkey(const Array& params, bool fHelp)
 {
     if (fHelp || params.size() > 2 || params.size() == 0)
         throw runtime_error(
-            "adjustmalleablepubkey <Malleable public key data>\n"
-            "Calculate new public key using provided malleable public key data.\n");
+            "adjustmalleablepubkey <Malleable address, key view or public key pair>\n"
+            "Calculate new public key using provided data.\n");
 
-    string pubKeyPair = params[0].get_str();
+    string strData = params[0].get_str();
     CMalleablePubKey malleablePubKey;
 
-    if (pubKeyPair.size() == 136) {
-        malleablePubKey.setvch(ParseHex(pubKeyPair));
-    } else
-        malleablePubKey.SetString(pubKeyPair);
+    do
+    {
+        CBitcoinAddress addr(strData);
+        if (addr.IsValid() && addr.IsPair())
+        {
+            // Initialize malleable pubkey with address data
+            malleablePubKey = CMalleablePubKey(addr.GetData());
+            break;
+        }
+        CMalleableKeyView viewTmp(strData);
+        if (viewTmp.IsValid())
+        {
+            // Shazaam, we have a valid key view here.
+            malleablePubKey = viewTmp.GetMalleablePubKey();
+            break;
+        }
+        if (malleablePubKey.SetString(strData))
+            break; // A valid public key pair
+
+        throw runtime_error("Though your data seems a valid Base58 string, we were unable to recognize it.");
+    }
+    while(false);
 
     CPubKey R, vchPubKeyVariant;
     malleablePubKey.GetVariant(R, vchPubKeyVariant);
-- 
1.7.1