From 0be990ba34110184c8a5a2c04094311dab5cd84c Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter.wuille@gmail.com>
Date: Thu, 11 Sep 2014 19:15:29 +0200
Subject: Move CTxDestination from script/script to script/standard

---
 src/script/standard.cpp | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

(limited to 'src/script/standard.cpp')

diff --git a/src/script/standard.cpp b/src/script/standard.cpp
index bda4b8b0a..407baf621 100644
--- a/src/script/standard.cpp
+++ b/src/script/standard.cpp
@@ -252,3 +252,50 @@ bool ExtractDestinations(const CScript& scriptPubKey, txnouttype& typeRet, vecto
 
     return true;
 }
+
+namespace
+{
+class CScriptVisitor : public boost::static_visitor<bool>
+{
+private:
+    CScript *script;
+public:
+    CScriptVisitor(CScript *scriptin) { script = scriptin; }
+
+    bool operator()(const CNoDestination &dest) const {
+        script->clear();
+        return false;
+    }
+
+    bool operator()(const CKeyID &keyID) const {
+        script->clear();
+        *script << OP_DUP << OP_HASH160 << keyID << OP_EQUALVERIFY << OP_CHECKSIG;
+        return true;
+    }
+
+    bool operator()(const CScriptID &scriptID) const {
+        script->clear();
+        *script << OP_HASH160 << scriptID << OP_EQUAL;
+        return true;
+    }
+};
+}
+
+CScript GetScriptForDestination(const CTxDestination& dest)
+{
+    CScript script;
+
+    boost::apply_visitor(CScriptVisitor(&script), dest);
+    return script;
+}
+
+CScript GetScriptForMultisig(int nRequired, const std::vector<CPubKey>& keys)
+{
+    CScript script;
+
+    script << CScript::EncodeOP_N(nRequired);
+    BOOST_FOREACH(const CPubKey& key, keys)
+        script << key;
+    script << CScript::EncodeOP_N(keys.size()) << OP_CHECKMULTISIG;
+    return script;
+}
-- 
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