{"id":8148,"date":"2021-07-03T07:47:34","date_gmt":"2021-07-03T07:47:34","guid":{"rendered":"http:\/\/43.153.210.228\/\/?p=8148"},"modified":"2021-07-03T07:47:34","modified_gmt":"2021-07-03T07:47:34","slug":"%e4%b8%8b%e8%bd%bd%e5%8d%95%e4%b8%aa%e5%92%8c%e7%89%b9%e5%ae%9a%e5%9d%97%e4%bb%a5%e4%be%9b%e5%ad%a6%e4%b9%a0%e4%b9%8b%e7%94%a8","status":"publish","type":"post","link":"http:\/\/43.153.210.228\/?p=8148","title":{"rendered":"\u4e0b\u8f7d\u5355\u4e2a\u548c\u7279\u5b9a\u5757\u4ee5\u4f9b\u5b66\u4e60\u4e4b\u7528"},"content":{"rendered":"

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https:\/\/blockchain.info\/block-height\/474044?format=json<\/a>
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3.
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wget-q-O-‘https:\/\/blockchain.info\/block\/000000000000000000ff265a641721e79bbc559d8b0e4894332732109f1a3383?format=hex’<\/a> \\
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1.
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cat myfile|with|hexchars | tr[\uff1aupper:][\uff1alower:]>myfile|with|hexcode
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printf$result>myfile\\u\u5341\u516d\u8fdb\u5236
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hexdump-C myfile\\u hex\u6587\u4ef6
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\u8ddf\u968f <\/p>\n

\u6211\u8ba4\u4e3a\u8fd9\u5e94\u8be5\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u7b54\u6848\uff0c\u6216\u7f16\u8f91\u5185\u7279\u7684\u7b54\u6848\u6dfb\u52a0\u5b83\u3002\u5982\u679c\u4f60\u60f3\u8ba9\u5b83\u6210\u4e3a\u4e00\u4e2a\u5b8c\u6574\u7684\u7b54\u6848\uff0c\u6211\u8ba4\u4e3a\u4f60\u53ea\u9700\u8981\u91cd\u65b0\u521b\u5efa\u4e00\u5c0f\u90e8\u5206\u5185\u7279\u7684\u5e16\u5b50\uff0c\u4f60\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u53e5\u8bdd\u5f00\u59cb\uff1a\u201c\u7075\u611f\u6765\u81ea\u5185\u7279\u7684\u7b54\u6848\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684\u4ee3\u7801\u6765\u89e3\u51b3\u540c\u6837\u7684\u95ee\u9898\uff0c\u800c\u65e0\u9700\u5b89\u88c5\u8f6f\u4ef6\u5305xxd\u2026\u201d\u2013Murch\u2666 2017\u5e7410\u670822\u65e521:07
UUOC\uff0c\u4f60\u4e0d\u9700\u8981tr\uff1b[\uff1axdigit:]\u548cprintf\\x\u5904\u7406\u8fd9\u4e24\u79cd\u60c5\u51b5\u3002\u4e8b\u5b9e\u4e0a\uff0c\u53ea\u6709\u5728\u8f93\u5165\u5b8c\u5168\u662f\u5341\u516d\u8fdb\u5236\u5bf9\u7684\u60c5\u51b5\u4e0b\uff0c\u8fd9\u624d\u662f\u6b63\u786e\u7684\uff0c\u6240\u4ee5\u60a8\u53ea\u9700\u6267\u884cprintf$\uff08sed’s\/.\/\\\\&amp;\/g'<hexfile\uff09>outfile\u2013dave\\u thompson\\u 085 Oct 25’17 at 6:49
thx\uff0c\u6211\u53ef\u4ee5\u8fd9\u6837\u505a\uff1aprintf$\uff08sed’s\/[[\uff1axdigit:]\\{2\\}\/\\\\x&amp;\/g'<hexfile\uff09\u2013pebwindkraft 11\u67081\u65e517\u65e57:54
\u6dfb\u52a0\u8bc4\u8bba
0
\u63a5\u53d7\u7b54\u6848\u4e2d\u7ed9\u51fa\u7684blockchain.com\u94fe\u63a5\u4e0d\u518d\u6709\u6548\u3002
\u4ece\u53d1\u5e03\u7684API
https:\/\/blockchain.info\/api\/blockchain_api<\/a>
\u4e0b\u8f7d\u5341\u516d\u8fdb\u5236\u683c\u5f0f\u5757\u6240\u9700\u7684URL\u5982\u4e0b\u6240\u793a\u3002
https:\/\/blockchain.info\/rawblock\/<\/a>$block\\u\u54c8\u5e0c
\u8fd9\u7ed9\u4f60\u4e00\u4e2a\u5341\u516d\u8fdb\u5236\u683c\u5f0f\u7684\u6587\u4ef6\uff0c\u53ef\u4ee5\u8f6c\u6362\u6210\u4e8c\u8fdb\u5236\u4e0exxd-r-p\u5982\u4e0a\u6240\u8ff0\u3002
\u6bd4\u7279\u5e01\u5757\u5934\u975e\u5e38\u7b80\u5355\u3002
https:\/\/en.bitcoin.it\/wiki\/Protocol_documentation#Block_Headers<\/a> |\u5927\u5c0f|\u63cf\u8ff0|\u7c7b\u578b|\u6ce8\u91ca| |–|–|–|–| | 4 |\u7248\u672c| int32 |\u5757\u7248\u672c\u4fe1\u606f\uff08\u6ce8\u610f\uff0c\u8fd9\u662f\u6709\u7b26\u53f7\u7684\uff09| | 32 | prev | block | char[32]|\u4e0a\u4e00\u4e2a\u5757\u7684\u54c8\u5e0c\u503c\u6b64\u7279\u5b9a\u5757\u5f15\u7528| | 32 | merkle | u root | char[32]|\u5bf9merkle\u6811\u96c6\u5408\u7684\u5f15\u7528\uff0c\u8be5\u96c6\u5408\u662f\u4e0e\u6b64\u5757\u76f8\u5173\u7684\u6240\u6709\u4e8b\u52a1\u7684\u54c8\u5e0c| | 4 | timestamp | uint32 | t |\u521b\u5efa\u6b64\u5757\u65f6\u7684\u65f6\u95f4\u6233\u8bb0\u5f55\uff08\u5c06\u6ea2\u51fa\uff09\u57282106[2]\u4e2d| | 4 | bits | uint32 | u t |\u7528\u4e8e\u6b64\u5757\u7684\u8ba1\u7b97\u96be\u5ea6\u76ee\u6807| | 4 | nonce | uint32 | u t |\u7528\u4e8e\u751f\u6210\u6b64\u5757\u7684nonce\u2026\u4ee5\u5141\u8bb8\u6807\u5934\u7684\u53d8\u5316\u5e76\u8ba1\u7b97\u4e0d\u540c\u7684\u54c8\u5e0c|
\u8981\u67e5\u770bnonce\uff1a
>>>data=open\uff08’block.bin’\uff0c’rb’\uff09.read\uff08\uff09
>>>nonce=\u6570\u636e[4+32+32+4+4:][\uff1a4]
>>>nonce.hex\uff08\uff09
‘6d1daf7b’
\u8981\u8ba1\u7b97\u6807\u5934\u7684\u54c8\u5e0c\u4ee3\u7801\uff1a
>>>\u5bfc\u5165hashlib
>>>\u4ecebinascii\u5bfc\u5165unhexlify\uff0chexlify
>>>\u6807\u9898=\u6570\u636e[\uff1a4+32+32+4+4+4]
>>>hash=hashlib.sha256\uff08hashlib.sha256\uff08header.digest\uff08\uff09\uff09.digest\uff08\uff09
>>>\u5341\u516d\u8fdb\u5236\uff08\u54c8\u5e0c\uff09\u89e3\u7801\uff08\u201cutf-8\u201d\uff09
‘83331A9F103227339480E8B9D55BC9BE72117645A26FF000000000000000000000000’
>>>\u5341\u516d\u8fdb\u5236\uff08\u54c8\u5e0c[\uff1a\uff1a-1]\uff09\u3002\u89e3\u7801\uff08\u201cutf-8\u201d\uff09
‘000000000000000000ff265a641721e79bbc559d8b0e4894332732109f1a3383’
\u4ee5\u4e0a\u5185\u5bb9\u6765\u81ea\uff1a
https:\/\/en.bitcoin.it\/wiki\/Block_hashing_algorithm<\/a>
\u4ee5\u4e0b\u7531Andrej karphy’s\u64b0\u5199\u7684\u535a\u5ba2\u6587\u7ae0\u63d0\u4f9b\u4e86\u6709\u5173\u5982\u4f55\u9a8c\u8bc1\u5757\u4e2d\u7684\u4e8b\u52a1\u7684\u66f4\u591a\u4fe1\u606f\u3002
https:\/\/karpathy.github.io\/2021\/06\/21\/blockchain\/<\/a>
\u5206\u4eab
\u6539\u8fdb\u8fd9\u4e2a\u7b54\u6848
\u8ddf\u968f<\/p>\n

\"\u65f6\u5149\u7d20\u6750-\u9999\u8f66\u7f8e\u5973<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u521a\u5f00\u59cb\u7814\u7a76\u6bd4\u7279\u5e01\u3002\u6211\u60f3\u80fd\u591f\u4ece\u6bd4\u7279\u5e01\u7f51\u7edc\u4e0b\u8f7d\u4e00\u4e2a\u5757\u3002\u8fd9\u5e94\u8be5\u662f\u4e00\u4e2a\u8001\u8857\u533a\uff0c\u5df2\u7ecf\u88ab\u5f00\u91c7\u4e86\uff0c\u6211\u77e5\u9053\u73b0\u5728\u7684\u60c5\u51b5\u3002\u7136\u540e\uff0c\u6211 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-8148","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/43.153.210.228\/index.php?rest_route=\/wp\/v2\/posts\/8148"}],"collection":[{"href":"http:\/\/43.153.210.228\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/43.153.210.228\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/43.153.210.228\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/43.153.210.228\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8148"}],"version-history":[{"count":1,"href":"http:\/\/43.153.210.228\/index.php?rest_route=\/wp\/v2\/posts\/8148\/revisions"}],"predecessor-version":[{"id":8149,"href":"http:\/\/43.153.210.228\/index.php?rest_route=\/wp\/v2\/posts\/8148\/revisions\/8149"}],"wp:attachment":[{"href":"http:\/\/43.153.210.228\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8148"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/43.153.210.228\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8148"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/43.153.210.228\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}