1 files changed, 14 insertions, 16 deletions

diff --git a/src/core_read.cpp b/src/core_read.cpp
index 85bb62c176..a5f232c228 100644
--- a/src/core_read.cpp
+++ b/src/core_read.cpp
@@ -20,13 +20,11 @@
 #include <boost/algorithm/string/split.hpp>
 #include <boost/assign/list_of.hpp>
 
-using namespace std;
-
 CScript ParseScript(const std::string& s)
 {
     CScript result;
 
-    static map<string, opcodetype> mapOpNames;
+    static std::map<std::string, opcodetype> mapOpNames;
 
     if (mapOpNames.empty())
     {
@@ -39,7 +37,7 @@ CScript ParseScript(const std::string& s)
             const char* name = GetOpName((opcodetype)op);
             if (strcmp(name, "OP_UNKNOWN") == 0)
                 continue;
-            string strName(name);
+            std::string strName(name);
             mapOpNames[strName] = (opcodetype)op;
             // Convenience: OP_ADD and just ADD are both recognized:
             boost::algorithm::replace_first(strName, "OP_", "");
@@ -47,7 +45,7 @@ CScript ParseScript(const std::string& s)
         }
     }
 
-    vector<string> words;
+    std::vector<std::string> words;
     boost::algorithm::split(words, s, boost::algorithm::is_any_of(" \t\n"), boost::algorithm::token_compress_on);
 
     for (std::vector<std::string>::const_iterator w = words.begin(); w != words.end(); ++w)
@@ -57,16 +55,16 @@ CScript ParseScript(const std::string& s)
             // Empty string, ignore. (boost::split given '' will return one word)
         }
         else if (all(*w, boost::algorithm::is_digit()) ||
-            (boost::algorithm::starts_with(*w, "-") && all(string(w->begin()+1, w->end()), boost::algorithm::is_digit())))
+            (boost::algorithm::starts_with(*w, "-") && all(std::string(w->begin()+1, w->end()), boost::algorithm::is_digit())))
         {
             // Number
             int64_t n = atoi64(*w);
             result << n;
         }
-        else if (boost::algorithm::starts_with(*w, "0x") && (w->begin()+2 != w->end()) && IsHex(string(w->begin()+2, w->end())))
+        else if (boost::algorithm::starts_with(*w, "0x") && (w->begin()+2 != w->end()) && IsHex(std::string(w->begin()+2, w->end())))
         {
             // Raw hex data, inserted NOT pushed onto stack:
-            std::vector<unsigned char> raw = ParseHex(string(w->begin()+2, w->end()));
+            std::vector<unsigned char> raw = ParseHex(std::string(w->begin()+2, w->end()));
             result.insert(result.end(), raw.begin(), raw.end());
         }
         else if (w->size() >= 2 && boost::algorithm::starts_with(*w, "'") && boost::algorithm::ends_with(*w, "'"))
@@ -83,7 +81,7 @@ CScript ParseScript(const std::string& s)
         }
         else
         {
-            throw runtime_error("script parse error");
+            throw std::runtime_error("script parse error");
         }
     }
 
@@ -95,7 +93,7 @@ bool DecodeHexTx(CMutableTransaction& tx, const std::string& strHexTx, bool fTry
     if (!IsHex(strHexTx))
         return false;
 
-    vector<unsigned char> txData(ParseHex(strHexTx));
+    std::vector<unsigned char> txData(ParseHex(strHexTx));
 
     if (fTryNoWitness) {
         CDataStream ssData(txData, SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS);
@@ -138,9 +136,9 @@ bool DecodeHexBlk(CBlock& block, const std::string& strHexBlk)
     return true;
 }
 
-uint256 ParseHashUV(const UniValue& v, const string& strName)
+uint256 ParseHashUV(const UniValue& v, const std::string& strName)
 {
-    string strHex;
+    std::string strHex;
     if (v.isStr())
         strHex = v.getValStr();
     return ParseHashStr(strHex, strName);  // Note: ParseHashStr("") throws a runtime_error
@@ -149,19 +147,19 @@ uint256 ParseHashUV(const UniValue& v, const string& strName)
 uint256 ParseHashStr(const std::string& strHex, const std::string& strName)
 {
     if (!IsHex(strHex)) // Note: IsHex("") is false
-        throw runtime_error(strName+" must be hexadecimal string (not '"+strHex+"')");
+        throw std::runtime_error(strName + " must be hexadecimal string (not '" + strHex + "')");
 
     uint256 result;
     result.SetHex(strHex);
     return result;
 }
 
-vector<unsigned char> ParseHexUV(const UniValue& v, const string& strName)
+std::vector<unsigned char> ParseHexUV(const UniValue& v, const std::string& strName)
 {
-    string strHex;
+    std::string strHex;
     if (v.isStr())
         strHex = v.getValStr();
     if (!IsHex(strHex))
-        throw runtime_error(strName+" must be hexadecimal string (not '"+strHex+"')");
+        throw std::runtime_error(strName + " must be hexadecimal string (not '" + strHex + "')");
     return ParseHex(strHex);
 }