Add support for gravatar urls to AccountState.

src/AccountState.cpp

@@ -3,6 +3,7 @@
 
 #include <boost/lexical_cast.hpp>
 #include <boost/make_shared.hpp>
+#include <boost/algorithm/string.hpp>
 
 #include "../json/writer.h"
 
@@ -27,16 +28,31 @@ AccountState::AccountState(SerializedLedgerEntry::pointer ledgerEntry) : mLedger
 		mValid = true;
 }
 
+std::string AccountState::createGravatarUrl(uint128 uEmailHash)
+{
+	std::vector<unsigned char>	vucMD5(uEmailHash.begin(), uEmailHash.end());
+	std::string					strMD5Lower	= strHex(vucMD5);
+		boost::to_lower(strMD5Lower);
+
+	return str(boost::format("http://www.gravatar.com/avatar/%s") % strMD5Lower);
+}
+
 void AccountState::addJson(Json::Value& val)
 {
 	val = mLedgerEntry->getJson(0);
+
 	if (!mValid) val["Invalid"] = true;
+
+	if (mLedgerEntry->getIFieldPresent(sfEmailHash))
+		val["UrlGravatar"]	= createGravatarUrl(mLedgerEntry->getIFieldH128(sfEmailHash));
 }
 
 void AccountState::dump()
 {
 	Json::Value j(Json::objectValue);
+
 	addJson(j);
+
 	Json::StyledStreamWriter ssw;
 	ssw.write(std::cerr, j);
 }

src/AccountState.h

@@ -52,6 +52,8 @@ public:
 	std::vector<unsigned char> getRaw() const;
 	void addJson(Json::Value& value);
 	void dump();
+
+	static std::string createGravatarUrl(uint128 uEmailHash);
 };
 
 #endif