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FC Updates from BitShares and myself #21

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nathanielhourt wants to merge 687 commits from dapp-support into latest-fc
pull from: dapp-support
merge into: Peerplays_Blockchain:latest-fc
Conversation 4 Commits 687 Files changed 314 +169 -256
14 changed files with 169 additions and 256 deletions
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Showing only changes of commit 9a0d92820d - Show all commits

1
CMakeLists.txt
View file

@ -34,6 +34,7 @@ SET (ORIGINAL_LIB_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
SET(BOOST_COMPONENTS)
LIST(APPEND BOOST_COMPONENTS thread date_time filesystem system program_options chrono unit_test_framework context iostreams regex)
# boost::endian is also required, but FindBoost can't handle header-only libs
SET( Boost_USE_STATIC_LIBS ON CACHE STRING "ON or OFF" )
# Configure secp256k1-zkp

5
include/fc/bloom_filter.hpp
View file

@ -617,11 +617,6 @@ inline bloom_filter operator ^ (const bloom_filter& a, const bloom_filter& b)
} // namespace fc
FC_REFLECT( fc::bloom_filter, (salt_)(bit_table_)(salt_count_)(table_size_)(raw_table_size_)(projected_element_count_)(inserted_element_count_)(random_seed_)(desired_false_positive_probability_) )
FC_REFLECT( fc::bloom_parameters::optimal_parameters_t, (number_of_hashes)(table_size) )
FC_REFLECT( fc::bloom_parameters, (minimum_size)(maximum_size)(minimum_number_of_hashes)(maximum_number_of_hashes)(projected_element_count)(false_positive_probability)(random_seed)(optimal_parameters) )
/*
Note 1:
If it can be guaranteed that bits_per_char will be of the form 2^n then

89
include/fc/io/datastream.hpp
View file

@ -89,94 +89,5 @@ class datastream<size_t> {
size_t _size;
};
template<typename ST>
inline datastream<ST>& operator<<(datastream<ST>& ds, const int32_t& d) {
ds.write( (const char*)&d, sizeof(d) );
return ds;
}
template<typename ST, typename DATA>
inline datastream<ST>& operator>>(datastream<ST>& ds, int32_t& d) {
ds.read((char*)&d, sizeof(d) );
return ds;
}
template<typename ST>
inline datastream<ST>& operator<<(datastream<ST>& ds, const uint32_t& d) {
ds.write( (const char*)&d, sizeof(d) );
return ds;
}
template<typename ST, typename DATA>
inline datastream<ST>& operator>>(datastream<ST>& ds, uint32_t& d) {
ds.read((char*)&d, sizeof(d) );
return ds;
}
template<typename ST>
inline datastream<ST>& operator<<(datastream<ST>& ds, const int64_t& d) {
ds.write( (const char*)&d, sizeof(d) );
return ds;
}
template<typename ST, typename DATA>
inline datastream<ST>& operator>>(datastream<ST>& ds, int64_t& d) {
ds.read((char*)&d, sizeof(d) );
return ds;
}
template<typename ST>
inline datastream<ST>& operator<<(datastream<ST>& ds, const uint64_t& d) {
ds.write( (const char*)&d, sizeof(d) );
return ds;
}
template<typename ST, typename DATA>
inline datastream<ST>& operator>>(datastream<ST>& ds, uint64_t& d) {
ds.read((char*)&d, sizeof(d) );
return ds;
}
template<typename ST>
inline datastream<ST>& operator<<(datastream<ST>& ds, const int16_t& d) {
ds.write( (const char*)&d, sizeof(d) );
return ds;
}
template<typename ST, typename DATA>
inline datastream<ST>& operator>>(datastream<ST>& ds, int16_t& d) {
ds.read((char*)&d, sizeof(d) );
return ds;
}
template<typename ST>
inline datastream<ST>& operator<<(datastream<ST>& ds, const uint16_t& d) {
ds.write( (const char*)&d, sizeof(d) );
return ds;
}
template<typename ST, typename DATA>
inline datastream<ST>& operator>>(datastream<ST>& ds, uint16_t& d) {
ds.read((char*)&d, sizeof(d) );
return ds;
}
template<typename ST>
inline datastream<ST>& operator<<(datastream<ST>& ds, const int8_t& d) {
ds.write( (const char*)&d, sizeof(d) );
return ds;
}
template<typename ST, typename DATA>
inline datastream<ST>& operator>>(datastream<ST>& ds, int8_t& d) {
ds.read((char*)&d, sizeof(d) );
return ds;
}
template<typename ST>
inline datastream<ST>& operator<<(datastream<ST>& ds, const uint8_t& d) {
ds.write( (const char*)&d, sizeof(d) );
return ds;
}
template<typename ST, typename DATA>
inline datastream<ST>& operator>>(datastream<ST>& ds, uint8_t& d) {
ds.read((char*)&d, sizeof(d) );
return ds;
}
} // namespace fc

154
include/fc/io/raw.hpp
View file

@ -1,4 +1,5 @@
#pragma once
#include <boost/endian/buffers.hpp>
#include <fc/io/raw_variant.hpp>
#include <fc/reflect/reflect.hpp>
#include <fc/io/datastream.hpp>
@ -89,72 +90,66 @@ namespace fc {
template<typename Stream>
inline void pack( Stream& s, const fc::time_point_sec& tp, uint32_t _max_depth )
{
uint32_t usec = tp.sec_since_epoch();
s.write( (const char*)&usec, sizeof(usec) );
pack( s, tp.sec_since_epoch(), _max_depth );
}
template<typename Stream>
inline void unpack( Stream& s, fc::time_point_sec& tp, uint32_t _max_depth )
{ try {
uint32_t sec;
s.read( (char*)&sec, sizeof(sec) );
unpack( s, sec, _max_depth );
tp = fc::time_point() + fc::seconds(sec);
} FC_RETHROW_EXCEPTIONS( warn, "" ) }
template<typename Stream>
inline void pack( Stream& s, const fc::time_point& tp, uint32_t _max_depth )
{
uint64_t usec = tp.time_since_epoch().count();
s.write( (const char*)&usec, sizeof(usec) );
pack( s, tp.time_since_epoch().count(), _max_depth );
}
template<typename Stream>
inline void unpack( Stream& s, fc::time_point& tp, uint32_t _max_depth )
{ try {
uint64_t usec;
s.read( (char*)&usec, sizeof(usec) );
unpack( s, usec, _max_depth );
tp = fc::time_point() + fc::microseconds(usec);
} FC_RETHROW_EXCEPTIONS( warn, "" ) }
template<typename Stream>
inline void pack( Stream& s, const fc::microseconds& usec, uint32_t _max_depth )
{
uint64_t usec_as_int64 = usec.count();
s.write( (const char*)&usec_as_int64, sizeof(usec_as_int64) );
pack( s, usec.count(), _max_depth );
}
template<typename Stream>
inline void unpack( Stream& s, fc::microseconds& usec, uint32_t _max_depth )
{ try {
uint64_t usec_as_int64;
s.read( (char*)&usec_as_int64, sizeof(usec_as_int64) );
unpack( s, usec_as_int64, _max_depth );
usec = fc::microseconds(usec_as_int64);
} FC_RETHROW_EXCEPTIONS( warn, "" ) }
template<typename Stream, typename T, size_t N>
inline void pack( Stream& s, const fc::array<T,N>& v, uint32_t _max_depth ) {
s.write((const char*)&v.data[0],N*sizeof(T));
inline void pack( Stream& s, const fc::array<T,N>& v, uint32_t _max_depth ) = delete;
template<typename Stream, size_t N>
inline void pack( Stream& s, const fc::array<char,N>& v, uint32_t _max_depth ) {
s.write( &v.data[0], N );
}
template<typename Stream, typename T>
inline void pack( Stream& s, const std::shared_ptr<T>& v, uint32_t _max_depth )
{
FC_ASSERT( _max_depth > 0 );
fc::raw::pack( s, *v, _max_depth - 1 );
}
template<typename Stream, typename T>
inline void pack( Stream& s, const std::shared_ptr<const T>& v, uint32_t _max_depth )
{
FC_ASSERT( _max_depth > 0 );
fc::raw::pack( s, *v, _max_depth - 1 );
template<typename Stream, size_t N>
inline void pack( Stream& s, const fc::array<unsigned char,N>& v, uint32_t _max_depth ) {
s.write( (char*)&v.data[0], N );
}
template<typename Stream, typename T, size_t N>
inline void unpack( Stream& s, fc::array<T,N>& v, uint32_t _max_depth )
{ try {
s.read((char*)&v.data[0],N*sizeof(T));
} FC_RETHROW_EXCEPTIONS( warn, "fc::array<type,length>", ("type",fc::get_typename<T>::name())("length",N) ) }
inline void unpack( Stream& s, fc::array<T,N>& v, uint32_t _max_depth ) = delete;
template<typename Stream, size_t N>
inline void unpack( Stream& s, fc::array<char,N>& v, uint32_t _max_depth ) { try {
s.read( &v.data[0], N );
} FC_RETHROW_EXCEPTIONS( warn, "fc::array<char,${length}>", ("length",N) ) }
template<typename Stream, size_t N>
inline void unpack( Stream& s, fc::array<unsigned char,N>& v, uint32_t _max_depth ) { try {
s.read( (char*)&v.data[0], N );
} FC_RETHROW_EXCEPTIONS( warn, "fc::array<unsigned char,${length}>", ("length",N) ) }
template<typename Stream, typename T>
inline void unpack( Stream& s, std::shared_ptr<T>& v, uint32_t _max_depth )
@ -162,7 +157,14 @@ namespace fc {
FC_ASSERT( _max_depth > 0 );
v = std::make_shared<T>();
fc::raw::unpack( s, *v, _max_depth - 1 );
} FC_RETHROW_EXCEPTIONS( warn, "std::shared_ptr<T>", ("type",fc::get_typename<T>::name()) ) }
} FC_RETHROW_EXCEPTIONS( warn, "std::shared_ptr<${type}>", ("type",fc::get_typename<T>::name()) ) }
template<typename Stream, typename T>
inline void pack( Stream& s, const std::shared_ptr<const T>& v, uint32_t _max_depth )
{
FC_ASSERT( _max_depth > 0 );
fc::raw::pack( s, *v, _max_depth - 1 );
}
template<typename Stream, typename T>
inline void unpack( Stream& s, std::shared_ptr<const T>& v, uint32_t _max_depth )
@ -345,12 +347,96 @@ namespace fc {
template<>
struct if_class<fc::false_type> {
template<typename Stream, typename T>
static inline void pack( Stream& s, const T& v, uint32_t _max_depth ) {
s.write( (char*)&v, sizeof(v) );
}
static inline void pack( Stream& s, const T v, uint32_t _max_depth ) = delete;
template<typename Stream, typename T>
static inline void unpack( Stream& s, T& v, uint32_t _max_depth ) {
s.read( (char*)&v, sizeof(v) );
static inline void unpack( Stream& s, T& v, uint32_t _max_depth ) = delete;
template<typename Stream>
static inline void pack( Stream& s, const int64_t v, uint32_t _max_depth ) {
boost::endian::little_int64_buf_t tmp;
tmp = v;
s.write( (char*)&tmp, sizeof(tmp) );
}
template<typename Stream>
static inline void unpack( Stream& s, int64_t& v, uint32_t _max_depth ) {
boost::endian::little_int64_buf_t tmp;
s.read( (char*)&tmp, sizeof(tmp) );
v = tmp.value();
}
template<typename Stream>
static inline void pack( Stream& s, const uint64_t v, uint32_t _max_depth ) {
boost::endian::little_uint64_buf_t tmp;
tmp = v;
s.write( (char*)&tmp, sizeof(tmp) );
}
template<typename Stream>
static inline void unpack( Stream& s, uint64_t& v, uint32_t _max_depth ) {
boost::endian::little_uint64_buf_t tmp;
s.read( (char*)&tmp, sizeof(tmp) );
v = tmp.value();
}
template<typename Stream>
static inline void pack( Stream& s, const int32_t v, uint32_t _max_depth ) {
boost::endian::little_int32_buf_t tmp;
tmp = v;
s.write( (char*)&tmp, sizeof(tmp) );
}
template<typename Stream>
static inline void unpack( Stream& s, int32_t& v, uint32_t _max_depth ) {
boost::endian::little_int32_buf_t tmp;
s.read( (char*)&tmp, sizeof(tmp) );
v = tmp.value();
}
template<typename Stream>
static inline void pack( Stream& s, const uint32_t v, uint32_t _max_depth ) {
boost::endian::little_uint32_buf_t tmp;
tmp = v;
s.write( (char*)&tmp, sizeof(tmp) );
}
template<typename Stream>
static inline void unpack( Stream& s, uint32_t& v, uint32_t _max_depth ) {
boost::endian::little_uint32_buf_t tmp;
s.read( (char*)&tmp, sizeof(tmp) );
v = tmp.value();
}
template<typename Stream>
static inline void pack( Stream& s, const int16_t v, uint32_t _max_depth ) {
boost::endian::little_int16_buf_t tmp;
tmp = v;
s.write( (char*)&tmp, sizeof(tmp) );
}
template<typename Stream>
static inline void unpack( Stream& s, int16_t& v, uint32_t _max_depth ) {
boost::endian::little_int16_buf_t tmp;
s.read( (char*)&tmp, sizeof(tmp) );
v = tmp.value();
}
template<typename Stream>
static inline void pack( Stream& s, const uint16_t v, uint32_t _max_depth ) {
boost::endian::little_uint16_buf_t tmp;
tmp = v;
s.write( (char*)&tmp, sizeof(tmp) );
}
template<typename Stream>
static inline void unpack( Stream& s, uint16_t& v, uint32_t _max_depth ) {
boost::endian::little_uint16_buf_t tmp;
s.read( (char*)&tmp, sizeof(tmp) );
v = tmp.value();
}
template<typename Stream>
static inline void pack( Stream& s, const int8_t v, uint32_t _max_depth ) {
s.write( (char*)&v, 1 );
}
template<typename Stream>
static inline void unpack( Stream& s, int8_t& v, uint32_t _max_depth ) {
s.read( (char*)&v, 1 );
}
template<typename Stream>
static inline void pack( Stream& s, const uint8_t v, uint32_t _max_depth ) {
s.write( (char*)&v, 1 );
}
template<typename Stream>
static inline void unpack( Stream& s, uint8_t& v, uint32_t _max_depth ) {
s.read( (char*)&v, 1 );
}
};

4
include/fc/io/raw_fwd.hpp
View file

@ -120,6 +120,10 @@ namespace fc {
template<typename Stream, typename T, size_t N> inline void pack( Stream& s, const fc::array<T,N>& v, uint32_t _max_depth=FC_PACK_MAX_DEPTH );
template<typename Stream, typename T, size_t N> inline void unpack( Stream& s, fc::array<T,N>& v, uint32_t _max_depth=FC_PACK_MAX_DEPTH);
template<typename Stream, size_t N> inline void pack( Stream& s, const fc::array<char,N>& v, uint32_t _max_depth=FC_PACK_MAX_DEPTH );
template<typename Stream, size_t N> inline void unpack( Stream& s, fc::array<char,N>& v, uint32_t _max_depth=FC_PACK_MAX_DEPTH);
template<typename Stream, size_t N> inline void pack( Stream& s, const fc::array<unsigned char,N>& v, uint32_t _max_depth=FC_PACK_MAX_DEPTH );
template<typename Stream, size_t N> inline void unpack( Stream& s, fc::array<unsigned char,N>& v, uint32_t _max_depth=FC_PACK_MAX_DEPTH);
template<typename Stream, typename T> inline void pack( Stream& s, const shared_ptr<T>& v,
uint32_t _max_depth=FC_PACK_MAX_DEPTH );

7
include/fc/io/raw_variant.hpp
View file

@ -26,7 +26,7 @@ namespace fc { namespace raw {
}
virtual void handle( const double& v )const
{
fc::raw::pack( s, v, max_depth );
FC_THROW_EXCEPTION( invalid_arg_exception, "Can't pack double!" );
}
virtual void handle( const bool& v )const
{
@ -86,10 +86,7 @@ namespace fc { namespace raw {
}
case variant::double_type:
{
double val;
raw::unpack( s, val, _max_depth );
v = val;
return;
FC_THROW_EXCEPTION( invalid_arg_exception, "Can't unpack double!" );
}
case variant::bool_type:
{

14
include/fc/real128.hpp
View file

@ -32,6 +32,10 @@ namespace fc {
uint64_t to_uint64()const;
template<typename Stream>
inline void pack( Stream& s, uint32_t _max_depth=FC_PACK_MAX_DEPTH ) {
pack( s, fixed, _max_depth );
}
private:
uint128 fixed;
};
@ -43,13 +47,15 @@ namespace fc {
{
template<typename Stream>
inline void pack( Stream& s, const real128& value_to_pack, uint32_t _max_depth=FC_PACK_MAX_DEPTH )
{ s.write( (char*)&value_to_pack, sizeof(value_to_pack) ); }
{ value_to_pack.pack( s, _max_depth ); }
template<typename Stream>
inline void unpack( Stream& s, real128& value_to_unpack, uint32_t _max_depth=FC_PACK_MAX_DEPTH )
{ s.read( (char*)&value_to_unpack, sizeof(value_to_unpack) ); }
{
uint128_t delegate;
unpack( s, delegate, _max_depth );
value_to_unpack = fc::real128::from_fixed( delegate );
}
}
} // namespace fc

16
include/fc/uint128.hpp
View file

@ -6,6 +6,7 @@
#include <fc/config.hpp>
#include <fc/exception/exception.hpp>
#include <fc/crypto/city.hpp>
#include <fc/io/raw.hpp>
#ifdef _MSC_VER
#pragma warning (push)
@ -127,9 +128,15 @@ namespace fc
namespace raw
{
template<typename Stream>
inline void pack( Stream& s, const uint128& u, uint32_t _max_depth=FC_PACK_MAX_DEPTH ) { s.write( (char*)&u, sizeof(u) ); }
inline void pack( Stream& s, const uint128& u, uint32_t _max_depth=FC_PACK_MAX_DEPTH ) {
pack( s, u.hi, _max_depth );
pack( s, u.lo, _max_depth );
}
template<typename Stream>
inline void unpack( Stream& s, uint128& u, uint32_t _max_depth=FC_PACK_MAX_DEPTH ) { s.read( (char*)&u, sizeof(u) ); }
inline void unpack( Stream& s, uint128& u, uint32_t _max_depth=FC_PACK_MAX_DEPTH ) {
unpack( s, u.hi, _max_depth );
unpack( s, u.lo, _max_depth );
}
}
size_t city_hash_size_t(const char *buf, size_t len);
@ -140,10 +147,7 @@ namespace std
template<>
struct hash<fc::uint128>
{
size_t operator()( const fc::uint128& s )const
{
return fc::city_hash_size_t((char*)&s, sizeof(s));
}
size_t operator()( const fc::uint128& s )const;
};
}

11
src/byteswap.hpp
View file

@ -1,11 +0,0 @@
#pragma once
#ifdef _WIN32
# include <stdlib.h>
# define bswap_64(x) _byteswap_uint64(x)
#elif defined(__APPLE__)
# include <libkern/OSByteOrder.h>
# define bswap_64(x) OSSwapInt64(x)
#else
# include <byteswap.h>
#endif

13
src/crypto/bigint.cpp
View file

@ -4,7 +4,8 @@
#include <fc/crypto/base64.hpp>
#include <fc/exception/exception.hpp>
#include "../byteswap.hpp"
#include <boost/endian/buffers.hpp>
namespace fc {
bigint::bigint( const char* bige, uint32_t l ) {
@ -30,7 +31,8 @@ namespace fc {
bigint::bigint(uint64_t value)
{
uint64_t big_endian_value = bswap_64(value);
boost::endian::big_uint64_buf_t big_endian_value;
big_endian_value = value;
n = BN_bin2bn((const unsigned char*)&big_endian_value, sizeof(big_endian_value), NULL);
}
@ -53,9 +55,10 @@ namespace fc {
{
FC_ASSERT(BN_num_bits(n) <= 63);
size_t size = BN_num_bytes(n);
uint64_t abs_value = 0;
BN_bn2bin(n, (unsigned char*)&abs_value + (sizeof(uint64_t) - size));
return BN_is_negative(n) ? -(int64_t)bswap_64(abs_value) : bswap_64(abs_value);
boost::endian::big_int64_buf_t abs_value;
abs_value = 0;
BN_bn2bin(n, (unsigned char*)&abs_value + (sizeof(abs_value) - size));
return BN_is_negative(n) ? -abs_value.value() : abs_value.value();
}
int64_t bigint::log2()const { return BN_num_bits(n); }

61
src/io/iostream.cpp
View file

@ -264,67 +264,6 @@ namespace fc {
return o;
}
istream& operator>>( istream& o, double& v )
{
assert(false && "not implemented");
return o;
}
istream& operator>>( istream& o, float& v )
{
assert(false && "not implemented");
return o;
}
istream& operator>>( istream& o, int64_t& v )
{
assert(false && "not implemented");
return o;
}
istream& operator>>( istream& o, uint64_t& v )
{
assert(false && "not implemented");
return o;
}
istream& operator>>( istream& o, int32_t& v )
{
assert(false && "not implemented");
return o;
}
istream& operator>>( istream& o, uint32_t& v )
{
assert(false && "not implemented");
return o;
}
istream& operator>>( istream& o, int16_t& v )
{
assert(false && "not implemented");
return o;
}
istream& operator>>( istream& o, uint16_t& v )
{
assert(false && "not implemented");
return o;
}
istream& operator>>( istream& o, int8_t& v )
{
assert(false && "not implemented");
return o;
}
istream& operator>>( istream& o, uint8_t& v )
{
assert(false && "not implemented");
return o;
}
char istream::get()
{
char tmp;

25
src/io/sstream.cpp
View file

@ -76,31 +76,6 @@ namespace fc {
void stringstream::close(){ my->ss.flush(); };
void stringstream::flush(){ my->ss.flush(); };
/*
istream& stringstream::read( char* buf, size_t len ) {
my->ss.read(buf,len);
return *this;
}
istream& stringstream::read( int64_t& v ) { my->ss >> v; return *this; }
istream& stringstream::read( uint64_t& v ) { my->ss >> v; return *this; }
istream& stringstream::read( int32_t& v ) { my->ss >> v; return *this; }
istream& stringstream::read( uint32_t& v ) { my->ss >> v; return *this; }
istream& stringstream::read( int16_t& v ) { my->ss >> v; return *this; }
istream& stringstream::read( uint16_t& v ) { my->ss >> v; return *this; }
istream& stringstream::read( int8_t& v ) { my->ss >> v; return *this; }
istream& stringstream::read( uint8_t& v ) { my->ss >> v; return *this; }
istream& stringstream::read( float& v ) { my->ss >> v; return *this; }
istream& stringstream::read( double& v ) { my->ss >> v; return *this; }
istream& stringstream::read( bool& v ) { my->ss >> v; return *this; }
istream& stringstream::read( char& v ) { my->ss >> v; return *this; }
istream& stringstream::read( std::string& v ) { my->ss >> *reinterpret_cast<std::string*>(&v); return *this; }
ostream& stringstream::write( const std::string& s) {
my->ss.write( s.c_str(), s.size() );
return *this;
}
*/
char stringstream::peek()
{
char c = my->ss.peek();

15
src/uint128.cpp
View file

@ -1,10 +1,10 @@
#include <fc/uint128.hpp>
#include <fc/variant.hpp>
#include <fc/crypto/bigint.hpp>
#include <boost/endian/buffers.hpp>
#include <boost/multiprecision/cpp_int.hpp>
#include <stdexcept>
#include "byteswap.hpp"
namespace fc
{
@ -119,7 +119,9 @@ namespace fc
uint128::operator bigint()const
{
auto tmp = uint128( bswap_64( hi ), bswap_64( lo ) );
boost::endian::big_uint64_buf_t tmp[2];
tmp[0] = hi;
tmp[1] = lo;
bigint bi( (char*)&tmp, sizeof(tmp) );
return bi;
}
@ -367,6 +369,15 @@ namespace fc
} // namespace fc
namespace std {
size_t hash<fc::uint128>::operator()( const fc::uint128& s )const
{
boost::endian::little_uint64_buf_t tmp[2];
tmp[0] = s.hi;
tmp[1] = s.lo;
return fc::city_hash_size_t((char*)&tmp, sizeof(tmp));
}
}
/*
* Portions of the above code were adapted from the work of Evan Teran.

10
tests/bloom_test.cpp
View file

@ -59,15 +59,7 @@ BOOST_AUTO_TEST_CASE(bloom_test_1)
++count;
}
}
// wdump((filter));
auto packed_filter = fc::raw::pack(filter);
// wdump((packed_filter.size()));
// wdump((packed_filter));
std::stringstream out;
// std::string str = fc::json::to_string(packed_filter);
auto b64 = fc::base64_encode( packed_filter.data(), packed_filter.size() );
for( uint32_t i = 0; i < b64.size(); i += 1024 )
out << '"' << b64.substr( i, 1024 ) << "\",\n";
// FIXME: this doesn't really test anything.
}
catch ( const fc::exception& e )
{