address::address( const fc::ecc::public_key& pub )
{
auto dat = pub.serialize();
auto dat_hash = small_hash(dat.data, sizeof(dat) );
auto check = fc::ripemd160::hash( (char*)&dat_hash, 16 );
memcpy( addr.data, (char*)&dat_hash, sizeof(addr) );
memcpy( &addr.data[16], (char*)&check, 4 );
}
/**
* The goal of the small hash is to be secure using as few
* bits as possible.
*
* Performs small_hash( sha512(data,len) )
*/
uint160 small_hash( const char* data, size_t len )
{
return small_hash( fc::sha512::hash(data,len) );
}
uint160 signed_transaction::id()const
{
fc::sha512::encoder enc;
fc::raw::pack( enc, *this );
return small_hash( enc.result() );
}
/**
* @return the digest of the block header used to evaluate the proof of work
*/
uint160 block_header::digest()const
{
fc::sha512::encoder enc;
fc::raw::pack( enc, *this );
return small_hash( enc.result() );
}