{"id":1923,"date":"2021-04-03T07:55:11","date_gmt":"2021-04-03T07:55:11","guid":{"rendered":"http:\/\/43.153.210.228\/\/?p=1923"},"modified":"2021-04-03T07:55:11","modified_gmt":"2021-04-03T07:55:11","slug":"%e5%a6%82%e4%bd%95%e4%b8%8b%e8%bd%bd%e5%ae%8c%e6%95%b4%e7%9a%84%e5%9d%97%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/43.153.210.228\/?p=1923","title":{"rendered":"\u5982\u4f55\u4e0b\u8f7d\u5b8c\u6574\u7684\u5757\uff1f"},"content":{"rendered":"<p>\u6d4f\u89c8537\u6b21<br \/>0<br \/>\u6211\u60f3\u7528Java\u548cbitcoinj\u4e0b\u8f7d\u4e00\u4e2a\u5b8c\u6574\u7684\u5757\uff0c\u7136\u540e\u628a\u5b83\u89e3\u6790\u6210\u4e00\u4e2a\u6570\u7ec4\u6765\u4f7f\u7528\u5b83\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\uff08\u975e\u5e38\u57fa\u672c\u7684\uff09\u4f2a\u4ee3\u7801\uff1a<br \/>\u63a5\u5165\u7f51\u7edc\uff1b<br \/>\u4e0b\u8f7d\u6700\u65b0\u5757\uff1b<br \/>\u5199\/\u8f6c\u6362\u5757\u5230\u53ef\u8bfb\u6570\u7ec4\uff1b<br \/>\u8bfb\u53d6\u5757\u6570\u7ec4\uff1b<br \/>sout:blockArray[23][55]\/\/\u8fd9\u5e94\u8be5\u53ef\u4ee5\u5f97\u5230\u4e00\u4e2atxid\uff0c\u5730\u5740\u3002\u3002\u3002<br \/>\/\/\u6216\u8005\u7c7b\u4f3c\u7684\u3002\u6211\u53ea\u60f3\u80fd\u591f\u4ece\u5757\u4e2d\u8bfb\u53d6\u503c<br \/>\u6709\u529e\u6cd5\u5417\uff1f\u6211\u5728\u8fd9\u91cc\u627e\u5230\u4e86\u4ee5\u4e0b\u89e3\u51b3\u65b9\u6848\uff08\u4f7f\u7528bitcoinj\u53d1\u73b0\u5bf9\u7b49\u70b9\u5e76\u4e0b\u8f7d\u5757\u94fe\uff09\uff1a<br \/>\u516c\u5171\u7c7bDumpLastBlock{<br \/>public static void main\uff08\u5b57\u7b26\u4e32args[]\uff09\u5f15\u53d1\u5f02\u5e38{<br \/>WalletAppKit=\u65b0\u7684WalletAppKit(MainNetParams.get\u83b7\u53d6\uff08\uff09\uff0c\u65b0java.io.File\u6587\u4ef6\uff08\u201c\uff0c\u201d\u6d4b\u8bd5\u201c\uff09\uff1b<br \/>\u5f00\u59cb\u548c\u7b49\u5f85();<br \/>\u533a\u5757\u94fe=\u94fe\u6761\u5957\u4ef6();<br \/>\u533a\u5757\u5546\u5e97bs=chain.getBlockStore\u94fe\u63a5();<br \/>\u5bf9\u7b49=\u5957\u4ef6.\u5bf9\u7b49\u7ec4\uff08\uff09.getDownloadPeer\uff08\uff09\uff1b<br \/>b\u533a=\u5bf9\u7b49.getBlock(bs.GET\u94fe\u5934\uff08\uff09.getHeader\uff08\uff09.getHash\uff08\uff09\uff09.get\uff08\uff09\uff1b<br \/>\u7cfb\u7edf\u8f93\u51fa\u6253\u5370\uff08b\uff09 \uff1b<br \/>}<br \/>}<br \/>\u4e0d\u5e78\u7684\u662f\uff0c\u5f00\u59cb\u548c\u7b49\u5f85\uff08\uff09\u4e0d\u518d\u53ef\u7528\u3002<br \/>\u6709\u4eba\u80fd\u5e2e\u6211\u5f97\u5230\u6700\u65b0\u7684\u5757\uff0c\u5e76\u80fd\u591f\u8bfb\u53d6\u5176\u503c\u5417\uff1f<br \/>\u975e\u5e38\u611f\u8c22\uff1a\uff09<br \/>\u6bd4\u7279\u5e01<br \/>\u5206\u4eab<br \/>\u6539\u8fdb\u8fd9\u4e2a\u95ee\u9898<br \/>\u8ddf\u968f<br \/>\u7f16\u8f91\u65f6\u95f4\uff1a12\u67082\u65e514:10<br \/>12\u67082\u65e517:46\u88ab\u95ee\u5230<br \/>\u4ea4\u6d41<br \/>12511\u94f6\u8d28\u5fbd\u7ae01313\u9752\u94dc\u5fbd\u7ae0<br \/>\u6dfb\u52a0\u8bc4\u8bba<br \/>1\u4e2a\u7b54\u6848<br \/>0<br \/>bitcoinj\u6e90\u4ee3\u7801\u4e2d\u7684\u793a\u4f8b\u6b63\u662f\u60a8\u8981\u67e5\u627e\u7684\uff1a<br \/>BriefLogFormatter.init();<br \/>\/\/\u5206\u6790\u547d\u4ee4\u884c\u53c2\u6570<br \/>OptionParser=\u65b0\u5efaOptionParser\uff08\uff09\uff1b<br \/>optiostopts=null\uff1b<br \/>List&lt;String&gt;nonOpts=null\uff1b<br \/>\u8bd5\u8bd5\u770b{<br \/>\u89e3\u6790\u5668.\u63a5\u53d7\uff08\u201clocalhost\u201d\uff0c\u201c\u8fde\u63a5\u5230localhost\u8282\u70b9\u201d\uff09\uff1b<br \/>\u89e3\u6790\u5668.\u63a5\u53d7\uff08\u201c\u5e2e\u52a9\u201d\uff0c\u201c\u663e\u793a\u7a0b\u5e8f\u9009\u9879\u201d\uff09\uff1b<br \/>\u9009\u9879=\u89e3\u6790\u5668.parse\uff08args\uff09\uff1b<br \/>\u5982\u679c(\u9009\u62e9has\uff08\u201c\u5e2e\u52a9\u201d\uff09\uff09{<br \/>\u7cfb\u7edf\u8f93\u51fa\u6253\u5370\uff08\u201c\u7528\u6cd5\uff1aorg.bitcoinj.\u793a\u4f8b.FetchBlock[&#8211;localhost]&lt;blockHash&gt;\u201c\uff09\uff1b<br \/>\u89e3\u6790\u5668.printHelpOn(\u7cfb\u7edf\u8f93\u51fa);<br \/>\u8fd4\u56de\uff1b<br \/>}<br \/>\u975e\u9009\u9879=\u9009\u9879\u975e\u53ef\u9009\u53c2\u6570();<br \/>\u5982\u679c(\u975e\u9009\u9879\u5927\u5c0f() != 1) {<br \/>\u629b\u51fa\u65b0\u7684IllegalArgumentException\uff08\u201c\u5757\u6563\u5217\u6570\u4e0d\u6b63\u786e\uff0c\u8bf7\u53ea\u63d0\u4f9b\u4e00\u4e2a\u5757\u6563\u5217\u3002\u201d\uff09\uff1b<br \/>}<br \/>}\u6355\u83b7\uff08OptionException | IllegalArgumentException e\uff09{<br \/>\u7cfb\u7edf\u9519\u8bef\u6253\u5370\uff08\u5982getMessage\uff08\uff09\uff09\uff1b<br \/>\u7cfb\u7edf\u9519\u8bef\u6253\u5370\uff08\u201c\u7528\u6cd5\uff1aorg.bitcoinj.\u793a\u4f8b.FetchBlock[&#8211;localhost]&lt;blockHash&gt;\u201c\uff09\uff1b<br \/>\u89e3\u6790\u5668.printHelpOn(\u7cfb\u7edf\u9519\u8bef);<br \/>\u8fd4\u56de\uff1b<br \/>}<br \/>\/\/\u8fde\u63a5\u5230testnet\u5e76\u67e5\u627e\u5bf9\u7b49\u65b9<br \/>\u7cfb\u7edf\u8f93\u51fa\u6253\u5370\uff08\u201c\u8fde\u63a5\u5230\u8282\u70b9\u201d\uff09\uff1b<br \/>\u6700\u7ec8\u7f51\u7edc\u53c2\u6570params=TestNet3\u53c2\u6570\u83b7\u53d6();<br \/>BlockStore BlockStore=\u65b0\u5185\u5b58BlockStore\uff08params\uff09\uff1b<br \/>\u533a\u5757\u94fe=\u65b0\u533a\u5757\u94fe\uff08params\uff0cblockStore\uff09\uff1b<br \/>PeerGroup PeerGroup=\u65b0PeerGroup\uff08params\uff0cchain\uff09\uff1b<br \/>\u5982\u679c\uff08\uff01\u9009\u62e9has\uff08\u201c\u672c\u5730\u4e3b\u673a\u201d\uff09\uff09{<br \/>peerGroup.addPeerDiscovery\u6587\u4ef6\uff08\u65b0DnsDiscovery\uff08params\uff09\uff09\uff1b<br \/>}\u5176\u4ed6{<br \/>PeerAddress addr=\u65b0PeerAddress\uff08\u53c2\u6570\uff0cInetAddress.getLocalHost());<br \/>peerGroup.addAddress\u5730\u5740\uff08\u5730\u5740\uff09\uff1b<br \/>}<br \/>peerGroup.start\u5f00\u59cb();<br \/>peerGroup.waitForPeers\u5bf9\u7b49\uff081\uff09 .get\uff08\uff09\uff1b<br \/>\u5bf9\u7b49=peerGroup.getConnectedPeers\u8282\u70b9\uff08\uff09.get\uff080\uff09\uff1b<br \/>\/\/\u901a\u8fc7\u5bf9\u7b49\u673a\u68c0\u7d22\u5757<br \/>Sha256Hash blockHash=Sha256\u54c8\u5e0c.wrap(\u4e0d\u9009\u62e9\u3002\u83b7\u53d6(0));<br \/>\u672a\u6765&lt;Block&gt;\u672a\u6765=\u5bf9\u7b49.getBlock\uff08\u533a\u5757\u6563\u5217\uff09\uff1b<br \/>\u7cfb\u7edf\u8f93\u51fa\u6253\u5370\uff08\u201c\u6b63\u5728\u7b49\u5f85\u8282\u70b9\u5411\u6211\u4eec\u53d1\u9001\u8bf7\u6c42\u7684\u5757\uff1a\u201d+blockHash\uff09\uff1b<br \/>\u5757=\u672a\u6765\u3002\u83b7\u53d6();<br \/>\u7cfb\u7edf\u8f93\u51fa\u6253\u5370\uff08\u5757\uff09\uff1b<br \/>\u5bf9\u7b49\u7ec4.stopAsync();<br \/>\u5206\u4eab<br \/>\u6539\u8fdb\u8fd9\u4e2a\u7b54\u6848<br \/>\u8ddf\u968f<br \/>\u7f16\u8f91\uff1a2018\u5e746\u67082\u65e513:06<br \/>\u56de\u590d\u65f6\u95f4\uff1a2018\u5e745\u670825\u65e518:11<br \/>\u5c3c\u57fa\u5854<br \/>3544\u9752\u94dc\u5fbd\u7ae0<br \/>\u8bf7\u5728\u60a8\u7684\u7b54\u6848\u4e2d\u6dfb\u52a0\u4e0e\u95ee\u9898\u76f8\u5173\u7684\u94fe\u63a5\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\u5728\u76ee\u524d\u7684\u7b54\u6848\u4e2d\uff0c\u5982\u679c\u94fe\u63a5\u505c\u6b62\u5de5\u4f5c\uff0c\u672a\u6765\u7684\u7528\u6237\u5c06\u65e0\u6cd5\u4ece\u4e2d\u83b7\u5f97\u4efb\u4f55\u4fe1\u606f\u3002\u2013Raghav Sood 2018\u5e745\u670826\u65e57:46<br \/>\u6dfb\u52a0\u8bc4\u8bba<\/p>\n<p><a href=\"http:\/\/43.153.210.228\/\/wp-content\/uploads\/2021\/04\/T50029blockchainBTC.jpg\"><img loading=\"lazy\" decoding=\"async\" title=\"T500\u5b9a\u5236 (29)blockchainBTC\u6bd4\u7279\u5e01\u533a\u5757\u94fe\" style=\"border-top: 0px; border-right: 0px; border-bottom: 0px; border-left: 0px; display: inline\" border=\"0\" alt=\"T500\u5b9a\u5236 (29)blockchainBTC\u6bd4\u7279\u5e01\u533a\u5757\u94fe\" src=\"http:\/\/43.153.210.228\/\/wp-content\/uploads\/2021\/04\/T50029blockchainBTC_thumb.jpg\" width=\"361\" height=\"539\"><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6d4f\u89c8537\u6b210\u6211\u60f3\u7528Java\u548cbitcoinj\u4e0b\u8f7d\u4e00\u4e2a\u5b8c\u6574\u7684\u5757\uff0c\u7136\u540e\u628a\u5b83\u89e3\u6790\u6210\u4e00\u4e2a\u6570\u7ec4\u6765\u4f7f\u7528\u5b83\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\uff08\u975e [&hellip;]<\/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-1923","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\/1923"}],"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=1923"}],"version-history":[{"count":1,"href":"http:\/\/43.153.210.228\/index.php?rest_route=\/wp\/v2\/posts\/1923\/revisions"}],"predecessor-version":[{"id":1924,"href":"http:\/\/43.153.210.228\/index.php?rest_route=\/wp\/v2\/posts\/1923\/revisions\/1924"}],"wp:attachment":[{"href":"http:\/\/43.153.210.228\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1923"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/43.153.210.228\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1923"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/43.153.210.228\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1923"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}