{"id":2225,"date":"2021-04-21T12:39:52","date_gmt":"2021-04-21T12:39:52","guid":{"rendered":"http:\/\/43.153.210.228\/\/?p=2225"},"modified":"2021-04-21T12:39:52","modified_gmt":"2021-04-21T12:39:52","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88%e5%9c%a8%e6%af%94%e7%89%b9%e5%b8%81%e7%9a%84%e4%bb%a3%e7%a0%81unconftxs%e4%b8%ad%e4%bd%bf%e7%94%a8blockindex","status":"publish","type":"post","link":"http:\/\/43.153.210.228\/?p=2225","title":{"rendered":"\u4e3a\u4ec0\u4e48\u5728\u6bd4\u7279\u5e01\u7684\u4ee3\u7801&ldquo;unconfTxs&rdquo;\u4e2d\u4f7f\u7528&ldquo;blockIndex&rdquo;`"},"content":{"rendered":"<p>\u6211\u6b63\u5728\u9605\u8bfbrpc\u7684estimateSmartFee\u65b9\u6cd5\u7684\u4ee3\u7801\uff0c\u6211\u4e0d\u660e\u767d\u4e3a\u4ec0\u4e48\u5728TXS\u4e2d\u4f7f\u7528blockIndex\uff1f<br \/>estimateSmartFee loop unconf TXS\u4ee5\u83b7\u53d6\u8d39\u7387\uff08\u4ee3\u7801\uff1a<a href=\"https:\/\/github.com\/bitcoin\/bitcoin\/blob\/0.18\/src\/policy\/fees.cpp#L291)\">https:\/\/github.com\/bitcoin\/bitcoin\/blob\/0.18\/src\/policy\/fees.cpp#L291)<\/a><br \/>\u4f46\u662f\u503cunconfTxs[blockIndex][bucketinex]\u5c06\u5728TxConfirmStats:\uff1aClearCurrent\u4e2d\u91cd\u7f6e\uff0c\u6216\u8005\u5728TxConfirmStats:\uff1aremoveTx\u4e2d\u51cf\u5c11\u3002\u4e3a\u4ec0\u4e48\u4e0d\u8fd9\u6837\u5b9a\u4e49\u5462\uff1f<br \/>\u6e90\u6587\u4ef6\u8d39\u7528.cpp<br \/>unsigned int TxConfirmStats:\uff1aNewTx\uff08unsigned int nBlockHeight\uff0cdouble val\uff09<br \/>{<br \/>\u65e0\u7b26\u53f7int bucketindex=bucketMap.\u4e0b\u754c\uff08val\uff09-&gt;\u79d2\uff1b<br \/>unsigned int blockIndex=nBlockHeight%\u672a\u786e\u8ba4TXS.size();<br \/>unconfTxs[\u5757\u7d22\u5f15][\u5757\u7d22\u5f15]++\uff1b<br \/>\u8fd4\u56debucketindex\uff1b<br \/>}<br \/>\u65e0\u7ea6\u675fTXS<br \/>\/\/\u672a\u5b8c\u6210\u4ea4\u6613\u7684\u5185\u5b58\u6c60\u8ba1\u6570<br \/>\/\/\u5bf9\u4e8e\u6bcf\u4e2abucket X\uff0c\u8ddf\u8e2amempool\u4e2d\u7684\u4e8b\u52a1\u6570<br \/>\/\/\u5bf9\u4e8e\u6bcf\u4e2a\u53ef\u80fd\u7684\u786e\u8ba4\u503cY\u90fd\u662f\u672a\u786e\u8ba4\u7684<br \/>std:\uff1avector&lt;std:\uff1avector&lt;int&gt;&gt;unconfTxs\uff1b\/\/unconfTxs[Y][X]<br \/>\u6bd4\u7279\u5e01<br \/>\u5206\u4eab<br \/>\u6539\u8fdb\u8fd9\u4e2a\u95ee\u9898<br \/>\u8ddf\u968f<br \/>11\u670828\u65e519\u70b920\u5206\u88ab\u95ee\u5230<br \/>\u6258\u514b\u65af\u7279\u6258\u514b\u65af\u7279<br \/>3533\u9752\u94dc\u5fbd\u7ae0<br \/>\u6dfb\u52a0\u8bc4\u8bba<br \/>1\u4e2a\u7b54\u6848<br \/>0<br \/>\u6574\u4e2a\u5411\u91cf\u5c31\u662f\u8ddf\u8e2a\u81ea\u4ece\u4e00\u4e2a\u4e8b\u52a1\u8fdb\u5165mempool\u4ee5\u6765\u7ecf\u8fc7\u4e86\u591a\u5c11\u4e2a\u5757\uff0c\u4ee5\u53ca\u5b83\u7684\u901f\u7387\u662f\u591a\u5c11\u3002\u56e0\u6b64\uff0c\u5b83\u5141\u8bb8\u4f30\u8ba1\u5668\u5728feerate\u4e3aX\u7684\u60c5\u51b5\u4e0b\u67e5\u770bmempool\u4e2d\u6709\u591a\u5c11\u4e2a\u4e8b\u52a1\u5728Y\u5757\u4e2d\u3002\u8fd9\u5141\u8bb8\u4f30\u8ba1\u5668\u67e5\u770b\u53ef\u80fd\u9700\u8981\u4ec0\u4e48feerate\u624d\u80fd\u5728Y\u5757\u4e2d\u786e\u8ba4\u4e8b\u52a1\u3002<br \/>\u5982\u679c\u4f60\u53ea\u77e5\u9053\u6bcf\u79cd\u8d39\u7387\u4e0b\u7684\u4ea4\u6613\u6570\u91cf\uff0c\u90a3\u53ea\u4f1a\u544a\u8bc9\u4f60\u672a\u786e\u8ba4\u4ea4\u6613\u7684\u8d39\u7387\u5206\u5e03\u3002\u8fd9\u5bf9\u4e8e\u4f30\u8ba1\u5728\u4e00\u4e2a\u4e8b\u52a1\u5305\u542b\u5728\u4e00\u4e2a\u5757\u4e2d\u4e4b\u524d\u8981\u7ecf\u8fc7\u591a\u5c11\u5757\u662f\u6ca1\u6709\u5e2e\u52a9\u7684\u3002<br \/>\u5206\u4eab<br \/>\u6539\u8fdb\u8fd9\u4e2a\u7b54\u6848<br \/>\u8ddf\u968f<\/p>\n<p><a href=\"http:\/\/43.153.210.228\/\/wp-content\/uploads\/2021\/04\/05CryptoColor1024blockchainBTC.jpg\"><img loading=\"lazy\" decoding=\"async\" title=\"Web\" style=\"border-top: 0px; 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