Address decoding

src/main.cc

@@ -9,6 +9,7 @@
 #include "cryptonote_protocol/blobdatatype.h"
 #include "crypto/crypto.h"
 #include "crypto/hash.h"
+#include "common/base58.h"
 
 using namespace node;
 using namespace v8;
@@ -46,9 +47,31 @@ Handle<Value> convert_blob(const Arguments& args) {
     return scope.Close(buff->handle_);
 }
 
+Handle<Value> address_decode(const Arguments& args) {
+    HandleScope scope;
+
+    if (args.Length() < 1)
+        return except("You must provide one argument.");
+
+    Local<Object> target = args[0]->ToObject();
+
+    if (!Buffer::HasInstance(target))
+        return except("Argument should be a buffer object.");
+
+    blobdata input = std::string(Buffer::Data(target), Buffer::Length(target));
+    blobdata output = "";
+
+    uint64_t prefix;
+
+    tools::base58::decode_addr(input, prefix, output);
+
+    Buffer* buff = Buffer::New(output.data(), output.size());
+    return scope.Close(buff->handle_);
+}
+
 void init(Handle<Object> exports) {
-    exports->Set(String::NewSymbol("convert_blob"),
-            FunctionTemplate::New(convert_blob)->GetFunction());
+    exports->Set(String::NewSymbol("convert_blob"), FunctionTemplate::New(convert_blob)->GetFunction());
+    exports->Set(String::NewSymbol("address_decode"), FunctionTemplate::New(address_decode)->GetFunction());
 }
 
 NODE_MODULE(cryptonote, init)