#include?
#include?
#include?
#include?
#include?

#define?MESSAGE_START_SIZE?4
unsigned?char?pchMessageStart[MESSAGE_START_SIZE]?=?{?0xf9?0xbe?0xb4?0xd9?};

bool?LoadExternalBlockFile（FILE*?fileIn?CDiskBlockPos?*dbp）
{
	int?nLoaded?=?0;
	try?{
		//?This?takes?over?fileIn?and?calls?fclose（）?on?it?in?the?CBufferedFile?destructor
		CBufferedFile?blkdat（fileIn?2?*?MAX_BLOCK_SERIALIZED_SIZE?MAX_BLOCK_SERIALIZED_SIZE?+?8?SER_DISK?CLIENT_VERSION）;
		uint64_t?nRewind?=?blkdat.GetPos（）;
		while?（!blkdat.eof（））?{
			blkdat.SetPos（nRewind）;
			nRewind++;?//?start?one?byte?further?next?time?in?case?of?failure
			blkdat.SetLimit（）;?//?remove?former?limit
			unsigned?int?nSize?=?0;
			try?{
				//?locate?a?header
				unsigned?char?buf[MESSAGE_START_SIZE];
				blkdat.FindByte（pchMessageStart[0]）;
				nRewind?=?blkdat.GetPos（）?+?1;
				blkdat?>>?FLATDATA（buf）;
				if?（memcmp（buf?pchMessageStart?MESSAGE_START_SIZE））
					continue;
				//?read?size
				blkdat?>>?nSize;
				if?（nSize??MAX_BLOCK_SERIALIZED_SIZE）
					continue;
			}
			catch?（const?std::exception&）?{
				//?no?valid?block?header?found;?don‘t?complain
				break;
			}
			try?{
				//?read?block
				uint64_t?nBlockPos?=?blkdat.GetPos（）;
				if?（dbp）
					dbp->nPos?=?nBlockPos;
				blkdat.SetLimit（nBlockPos?+?nSize）;
				blkdat.SetPos（nBlockPos）;
				std::shared_ptr?pblock?=?std::make_shared（）;
				CBlock&?block?=?*pblock;
				blkdat?>>?block;
				nRewind?=?blkdat.GetPos（）;

				printf（“%s\n\n“?block.ToString（）.c_str（））;
			}
			catch?（const?std::exception&?e）?{
				printf（“%s:?Deserialize?or?I/O?error?-?%s\n“?__func__?e.what（））;
			}
			nLoaded++;
		}
	}
	catch?（const?std::runtime_error&?e）?{
		printf（“System?error:?%s\n“?e.what（））;
	}
	if?（nLoaded?>?0）
		printf（“Loaded?%i?blocks?from?external?file\n“?nLoaded）;
	return?nLoaded?>?0;
}

int?main（void）
{
	//?Todo:?Change?to?the?real?path?where?you?store?the?bitcoin?block?file
	char?path[]?=?“G:\\blockchain\\bitcoin\\bin\\Bitcoin\\blocks\\blk00000.dat“;

	FILE?*file?=?fsbridge::fopen（path?“rb“）;
	LoadExternalBlockFile（file?NULL）;
	return?0;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-03-01?17:45??src\
?????目錄???????????0??2018-03-01?18:41??src\532479301\
?????文件????????2257??2018-03-01?18:41??src\532479301\main_showblock.cpp
?????目錄???????????0??2018-03-01?18:42??build-aux\
?????目錄???????????0??2018-03-01?18:42??build-aux\vs\
?????文件???????12674??2018-02-27?18:51??build-aux\vs\bitcoin-config.h
?????文件????????1427??2018-03-01?17:30??build-aux\vs\bitcoin.sln
?????文件???????11089??2018-03-01?18:13??build-aux\vs\bitcoin.vcxproj
?????文件????????3488??2018-03-01?18:12??build-aux\vs\bitcoin.vcxproj.filters
?????文件?????????306??2018-03-01?18:13??build-aux\vs\packages.config