// TODO: This should return false rather than throwing
bool address::is_valid( const std::string& base58str )
{ try {
try
{
return is_valid_v1( base58str );
}
catch( ... )
{
}
std::string prefix( BTS_ADDRESS_PREFIX );
const size_t prefix_len = prefix.size();
FC_ASSERT( base58str.size() > prefix_len );
FC_ASSERT( base58str.substr( 0, prefix_len ) == prefix );
std::vector<char> v = fc::from_base58( base58str.substr( prefix_len ) );
FC_ASSERT( v.size() > 4, "all addresses must have a 4 byte checksum" );
FC_ASSERT(v.size() <= sizeof( fc::ripemd160 ) + 4, "all addresses are less than 24 bytes");
const fc::ripemd160 checksum = fc::ripemd160::hash( v.data(), v.size() - 4 );
FC_ASSERT( memcmp( v.data() + 20, (char*)checksum._hash, 4 ) == 0, "address checksum mismatch" );
return true;
} FC_RETHROW_EXCEPTIONS( warn, "invalid address '${a}'", ("a", base58str) ) }
public_key_type::public_key_type( const std::string& base58str )
{
// TODO: Refactor syntactic checks into static is_valid()
// to make public_key_type API more similar to address API
std::string prefix( BTS_ADDRESS_PREFIX );
try
{
if( is_valid_v1( base58str ) )
prefix = std::string( "BTSX" );
}
catch( ... )
{
}
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);
key_data = bin_key.data;
FC_ASSERT( fc::ripemd160::hash( key_data.data, key_data.size() )._hash[0] == bin_key.check );
};
