From fc7fb86cd20fad30ea1bc6f9de42d1e83aa2a27a Mon Sep 17 00:00:00 2001
From: Vikram Rajkumar <vikram@bitshares.org>
Date: Mon, 6 Jul 2015 14:41:31 -0400
Subject: [PATCH] Temporarily allow import BTS address/pubkey prefixes; #17

---
 libraries/chain/address.cpp                   |  8 ++++++
 .../chain/include/graphene/chain/types.hpp    |  3 +++
 libraries/chain/types.cpp                     | 25 +++++++++++++++++++
 3 files changed, 36 insertions(+)

diff --git a/libraries/chain/address.cpp b/libraries/chain/address.cpp
index cb83a226..8ac6a127 100644
--- a/libraries/chain/address.cpp
+++ b/libraries/chain/address.cpp
@@ -29,12 +29,20 @@ namespace graphene {
    {
       FC_ASSERT( is_valid( base58str ) );
       std::string prefix( GRAPHENE_ADDRESS_PREFIX );
+
+      // TODO: This is temporary for testing
+      if( is_valid( base58str, "BTS" ) ) prefix = std::string( "BTS" );
+
       std::vector<char> v = fc::from_base58( base58str.substr( prefix.size() ) );
       memcpy( (char*)addr._hash, v.data(), std::min<size_t>( v.size()-4, sizeof( addr ) ) );
    }
 
    bool address::is_valid( const std::string& base58str, const std::string& prefix )
    {
+      // TODO: This is temporary for testing
+      if( prefix == GRAPHENE_ADDRESS_PREFIX && is_valid( base58str, "BTS" ) )
+          return true;
+
       const size_t prefix_len = prefix.size();
       if( base58str.size() <= prefix_len )
           return false;
diff --git a/libraries/chain/include/graphene/chain/types.hpp b/libraries/chain/include/graphene/chain/types.hpp
index 170909d3..1e502df7 100644
--- a/libraries/chain/include/graphene/chain/types.hpp
+++ b/libraries/chain/include/graphene/chain/types.hpp
@@ -422,6 +422,9 @@ namespace graphene { namespace chain {
        friend bool operator == ( const public_key_type& p1, const fc::ecc::public_key& p2);
        friend bool operator == ( const public_key_type& p1, const public_key_type& p2);
        friend bool operator != ( const public_key_type& p1, const public_key_type& p2);
+
+       // TODO: This is temporary for testing
+       bool is_valid_v1( const std::string& base58str );
    };
 
    struct chain_parameters
diff --git a/libraries/chain/types.cpp b/libraries/chain/types.cpp
index 0dc3978c..bef1bba1 100644
--- a/libraries/chain/types.cpp
+++ b/libraries/chain/types.cpp
@@ -38,6 +38,17 @@ namespace graphene { namespace chain {
       // TODO:  Refactor syntactic checks into static is_valid()
       //        to make public_key_type API more similar to address API
        std::string prefix( GRAPHENE_ADDRESS_PREFIX );
+
+       // TODO: This is temporary for testing
+       try
+       {
+           if( is_valid_v1( base58str ) )
+               prefix = std::string( "BTS" );
+       }
+       catch( ... )
+       {
+       }
+
        const size_t prefix_len = prefix.size();
        FC_ASSERT( base58str.size() > prefix_len );
        FC_ASSERT( base58str.substr( 0, prefix_len ) ==  prefix , "", ("base58str", base58str) );
@@ -47,6 +58,20 @@ namespace graphene { namespace chain {
        FC_ASSERT( fc::ripemd160::hash( key_data.data, key_data.size() )._hash[0] == bin_key.check );
     };
 
+    // TODO: This is temporary for testing
+    bool public_key_type::is_valid_v1( const std::string& base58str )
+    {
+       std::string prefix( "BTS" );
+       const size_t prefix_len = prefix.size();
+       FC_ASSERT( base58str.size() > prefix_len );
+       FC_ASSERT( base58str.substr( 0, prefix_len ) ==  prefix , "", ("base58str", base58str) );
+       auto bin = fc::from_base58( base58str.substr( prefix_len ) );
+       auto bin_key = fc::raw::unpack<binary_key>(bin);
+       fc::ecc::public_key_data key_data = bin_key.data;
+       FC_ASSERT( fc::ripemd160::hash( key_data.data, key_data.size() )._hash[0] == bin_key.check );
+       return true;
+    }
+
     public_key_type::operator fc::ecc::public_key_data() const
     {
        return key_data;