{"id":1572,"date":"2020-09-03T15:17:48","date_gmt":"2020-09-03T07:17:48","guid":{"rendered":"http:\/\/home.wangjianshuo.com\/cn\/?p=1572"},"modified":"2020-09-03T15:17:48","modified_gmt":"2020-09-03T07:17:48","slug":"%e6%99%ba%e8%83%bd%e5%90%88%e7%ba%a6%ef%bc%8c%e4%bb%a3%e5%b8%81%ef%bc%88token%ef%bc%89%e7%ad%89-%e5%8c%ba%e5%9d%97%e9%93%be%e6%8a%80%e6%9c%af%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/home.wangjianshuo.com\/cn\/20200903_%e6%99%ba%e8%83%bd%e5%90%88%e7%ba%a6%ef%bc%8c%e4%bb%a3%e5%b8%81%ef%bc%88token%ef%bc%89%e7%ad%89-%e5%8c%ba%e5%9d%97%e9%93%be%e6%8a%80%e6%9c%af%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0.htm","title":{"rendered":"\u667a\u80fd\u5408\u7ea6\uff0c\u4ee3\u5e01\uff08Token\uff09\u7b49 – \u533a\u5757\u94fe\u6280\u672f\u5b66\u4e60\u7b14\u8bb0"},"content":{"rendered":"
\n

<\/p>\n

\u667a\u80fd\u5408\u7ea6\uff08Smart \u00a0Contract\uff09\u662f\u533a\u5757\u94fe\u4e00\u4e2a\u91cd\u8981\u7684\u529f\u80fd\u3002\u8bf4\u5230\u667a\u80fd\u5408\u7ea6\uff0c\u6211\u4eec\u5f97\u628a\u89c6\u91ce\u4ece\u6bd4\u7279\u5e01\u8f6c\u5230\u4ee5\u592a\u574a\uff0c\u56e0\u4e3a\u5b8c\u6574\u7684\u652f\u6301\u667a\u80fd\u5408\u7ea6\u662f\u4ee5\u592a\u574a\u548c\u6bd4\u7279\u5e01\u7684\u91cd\u5927\u5dee\u522b\u3002<\/p>\n

\u8ba9\u6211\u4eec\u53d1\u4e2a\u5e01\u5427<\/strong><\/p>\n

\u542c\u8bf4\u533a\u5757\u94fe\u4e0a\u53ef\u4ee5\u53d1\u5e01\uff0c\u60f3\u53d1\u884c\u4e00\u4e2a\u81ea\u5df1\u7684\u5e01 \u2460\uff1f\u6765\uff0c\u76f4\u63a5\u4e0a\u4ee3\u7801\uff01<\/p>\n

\u6211\u5e0c\u671b\u4f60\u5373\u4f7f\u4e0d\u61c2\u4ee3\u7801\uff0c\u4e5f\u8981\u653e\u4e0b\u5bf9\u672a\u77e5\u7684\u6050\u60e7<\/a>\uff0c\u9759\u4e0b\u5fc3\u6765\u4e00\u884c\u4e00\u884c\u8bfb\u3002\u6bd5\u7adf\u8fd9\u4ee3\u7801\u7b80\u5355\u5230\u5927\u591a\u6570\u4eba\u90fd\u80fd\u770b\u61c2\u3002<\/p>\n

\n

contract<\/strong> XMT {<\/p>\n

\u00a0\u00a0\u00a0\u00a0mapping (address => uint) public balanceOf;<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0function<\/strong> XMT() public {<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0balanceOf[msg.sender] = 1000;<\/span><\/p>\n

\u00a0 \u00a0 }<\/p>\n

\u00a0\u00a0\u00a0\u00a0function<\/strong> transfer(address to, uint value) public {<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0require(balanceOf[msg.sender] >= value);<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0require(balanceOf[to] + value >= balanceOf[to]);<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0balanceOf[msg.sender] -= value;<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0balanceOf[to] += value;<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0}<\/p>\n

}<\/p>\n<\/blockquote>\n

\u60ca\u4eba\u4e4b\u5904\u6765\u4e86\u3002\u5982\u4e0a\u4ee3\u7801\u4e0d\u662f\u6982\u5ff5\u6027\u7684\u4f2a\u4ee3\u7801\uff0c\u800c\u662f\u53ef\u4ee5\u8fd0\u884c\u7684\u771f\u5b9e\u4ee3\u7801\u3002<\/p>\n

\u9996\u5148\u5b83\u5b9a\u4e49\u4e86\u4e00\u4e2a\u8bb0\u5f55\u6bcf\u4e2a\u8d26\u6237\u6709\u591a\u5c11\u4f59\u989d\u7684\u6570\u7ec4\uff1a balanceOf<\/strong> \u3002<\/p>\n

\n

\u00a0 \u00a0 mapping (address => uint) public balanceOf;<\/span><\/p>\n<\/blockquote>\n

\u770b\u4e0d\u61c2\u7684\u540c\u5b66\u5c31\u628a\u5b83\u5f53\u4f5c\u6709\u4e24\u5217\u7684\u8868\u683c\uff0c\u7b2c\u4e00\u5217\u662f\u8d26\u53f7\uff0c\u7b2c\u4e8c\u5217\u662f\u4f59\u989d\u3002\u7528\u00a0balanceOf [ \u8d26\u53f7 ]<\/span>\u00a0\u5c31\u53ef\u4ee5\u67e5\u5230\u8fd9\u4e2a\u8d26\u53f7\u7684\u4f59\u989d\uff0c\u4e5f\u53ef\u4ee5\u66f4\u6539\u4f59\u989d\u3002<\/p>\n

\u63a5\u4e0b\u6765\u662f\u4e24\u4e2a\u529f\u80fd\uff1a\u521d\u59cb\u5316\u548c\u8f6c\u8d26\u3002<\/p>\n

\u521d\u59cb\u5316\u51fd\u6570XMT( )\u5f88\u7b80\u5355\uff0c\u5c31\u662f\u5408\u7ea6\u5efa\u7acb\u7684\u65f6\u5019\uff0c\u4efb\u6027\u7684\u628a1000\u4e2a\u5e01\u5168\u90fd\u7ed9\u521b\u5efa\u8005\u3002<\/p>\n

\n

\u00a0 \u00a0 \u00a0 \u00a0 balanceOf[msg.sender] = 1000;<\/span><\/p>\n<\/blockquote>\n

\u5927\u5bb6\u8981\u95ee\uff0c\u5e01\u662f\u600e\u4e48\u4ea7\u751f\u7684\uff1f\u6ca1\u4ec0\u4e48\u4ea7\u751f\u8fc7\u7a0b\uff0c\u60f3\u7ed9\u8c01\u591a\u5c11\u5c31\u662f\u591a\u5c11\u3002\u521d\u59cb\u7684\u65f6\u5019\u5199\u4e00\u4e2a\u4ebf\u4e5f\u5c31\u6709\u4e86\u4e00\u4e2a\u4ebf\u7684\u5e01\u3002\u5982\u6b64\u968f\u610f\u7684\u5c31\u80fd\u4ea7\u751f\u5e01\uff0c\u5e0c\u671b\u4f1a\u5f15\u53d1\u5927\u5bb6\u5728\u591c\u6df1\u4eba\u9759\u7684\u65f6\u5019\uff0c\u5bf9\u4e8e\u8d27\u5e01\u5230\u5e95\u662f\u4ec0\u4e48\u8fd9\u6837\u7684\u6df1\u5c42\u601d\u8003\u3002<\/p>\n

\u6211\u4eec\u63a5\u7740\u770b\uff1a<\/p>\n

\u8f6c\u8d26\u4ee3\u7801 transfer( ) \u6838\u5fc3\u662f\u4e24\u53e5\uff1a<\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0balanceOf[msg.sender] -= value;<\/span><\/p>\n<\/blockquote>\n

\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0balanceOf[to] += value;<\/span><\/p>\n<\/blockquote>\n

\u8c01\u53d1\u8d77\u7684\u8f6c\u8d26\uff0c\u5c31\u628a\u4ed6(msg.sender)\u7684\u8d26\u6237\u4f59\u989d\u51cf\u53bb\u8f6c\u8d26\u91d1\u989d(value)\u90a3\u4e48\u591a\uff0c\u7136\u540e\u628a\u6536\u6b3e\u4eba(to)\u7684\u4f59\u989d\u52a0\u4e0a\u90a3\u4e48\u591a\u2461\u3002<\/p>\n

\u522b\u5c0f\u770b\u8fd9\u4e24\u53e5\u8bdd\u3002\u4ed4\u7ec6\u7422\u78e8\u4e00\u4e0b\uff0c\u8fd9\u5176\u5b9e\u5c31\u662f\u8d26\u6237\u548c\u8f6c\u8d26\u7684\u672c\u8d28\u3002\u8fd9\u7b80\u5355\u7684\u4e24\u53e5\u8bdd\u662f\u94f6\u884c\u4f53\u7cfb\u8fd9\u4e48\u591a\u5e74\u82b1\u4e86\u591a\u5c11\u7684\u786c\u4ef6\u8f6f\u4ef6\uff0c\u4eba\u529b\u7269\u529b\u624d\u80fd\u8fbe\u5230\u7684\u6548\u679c\u3002<\/p>\n

\u5927\u5bb6\u5e38\u5e38\u542c\u8bf4\u8c01\u8c01\u8c01\u53c8\u53d1\u5e01\u4e86\u3002\u4ece\u6280\u672f\u89d2\u5ea6\uff0c\u5c31\u662f\u5728\u4ee5\u592a\u574a\u4e0a\u90e8\u7f72\u4e86\u5305\u542b\u8fd9\u4e09\u884c\u4ee3\u7801\u7684\u4e00\u4e2a\u5408\u7ea6\u3002\u5728\u4ee5\u592a\u574a\u7684\u5b98\u65b9\u7f51\u7ad9\u4e0a\u5c31\u6709\u4e00\u6bb5100\u591a\u884c\u7684\u6807\u51c6\u4ee3\u7801\uff1ahttps:\/\/ethereum.org\/token\u3002\u8fd9\u6bb5\u4ee3\u7801\u91cc\u9762\u8fd8\u6709\u5176\u4ed6\u4e00\u4e9b\u529f\u80fd\uff0c\u6bd4\u5982\u53ef\u4ee5\u7ed9\u8fd9\u4e2a\u4ee3\u5e01\u6307\u5b9a\u540d\u79f0\uff0c\u7b26\u53f7\uff0c\u8fd8\u6709\u6388\u6743\u8f6c\u8d26\uff0c\u9500\u6bc1\u7b49\u529f\u80fd\u3002\u5927\u5bb6\u53ea\u8981\u62f7\u8d1d\u8fd9\u4e2a\u4ee3\u7801\uff0c\u6307\u5b9a\u4f60\u7684\u65b0\u5e01\u7684\u540d\u79f0\uff08\u6bd4\u5982 Xiaomao Token\uff09\uff0c\u7b26\u53f7\uff08\u6bd4\u5982\uff1aXMT\uff09 \u2466\uff0c\u8fd8\u6709\u521d\u59cb\u53d1\u884c\u91cf\u6bd4\u5982\uff1a1,000,000,000)\uff0c\u4e00\u4e2a\u65b0\u7684\u5e01\u5c31\u8bde\u751f\u4e86\u3002\u6574\u4e2a\u8fc7\u7a0b3\u5206\u949f\u5e94\u8be5\u591f\u4e86\u3002\u628a\u53c2\u6570\u6539\u4e00\u4e0b\u518d\u90e8\u7f72\u4e00\u4e0b\u4ee3\u7801\uff0c\u7b2c\u4e8c\u4e2a\u65b0\u5e01\u53c8\u8bde\u751f\u4e86\u3002<\/p>\n

\u8fd9\u65b0\u751f\u7684\u8d27\u5e01\uff0c\u867d\u7136\u6ca1\u5565\u7528\uff0c\u4f46\u5728\u5b89\u5168\u6027\u65b9\u9762\u548c\u4ee5\u592a\u5e01\u5929\u751f\u662f\u4e00\u6837\u7684\u3002\u8fd9\u5c31\u50cf\u5bb6\u957f\u7ed9\u5b69\u5b50\u53d1\u4e86\u4e00\u4e9b\u996d\u7968\uff0c\u800c\u8fd9\u996d\u7968\u7684\u9632\u4f2a\u6280\u672f\u548c\u7f8e\u5143\u4e00\u6a21\u4e00\u6837\u3002\u770b\u8d77\u6765\u76f8\u5f53\u7684\u5927\u6750\u5c0f\u7528\uff0c\u4f46\u5982\u679c\u628a\u53d1\u8d27\u5e01\u6210\u672c\u964d\u5230\u51e0\u4e4e\u4e3a\u96f6\uff0c\u628a\u9632\u4f2a\u80fd\u529b\u63d0\u5347\u5230\u5df2\u77e5\u7684\u6700\u9ad8\u6c34\u5e73\uff0c\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u96be\u8bf4\u4e0d\u4f1a\u4ea7\u751f\u4ec0\u4e48\u91cd\u8981\u7684\u5e94\u7528\u3002<\/p>\n

\u90e8\u7f72\u4ee3\u7801<\/strong><\/p>\n

\u4ee3\u7801\u770b\u61c2\u4e86\uff0c\u4e0b\u4e00\u6b65\u5462\uff1f\u600e\u4e48\u8fd0\u884c\u8fd9\u4ee3\u7801\uff1f\u8fd9\u4ee3\u7801\u5230\u5e95\u5728\u54ea\u91cc\u8fd0\u884c\u5462\uff1f\u63a5\u7740\u6211\u4eec\u770b\u90e8\u7f72\u8fc7\u7a0b\u3002<\/p>\n

\u90e8\u7f72\u4ee3\u7801\uff0c\u4f60\u9700\u8981\u5728\u4ee5\u592a\u574a\u7684\u5ba2\u6237\u7aef\u91cc\uff0c\u628a\u8fd9\u6bb5\u4ee3\u7801\u7c98\u8d34\u8fdb\u53bb\uff0c\u5e76\u4e14\u6309\u201c\u90e8\u7f72\u201d\u6309\u94ae\u3002\u5ba2\u6237\u7aef\u5c31\u4f1a\u628a\u8fd9\u79cd\u4eba\u53ef\u4ee5\u8bfb\u61c2\u7684\u4ee3\u7801\u2462\u7f16\u8bd1\u6210\u5b57\u8282\u7801\uff0c\u7136\u540e\u751f\u6210\u4e00\u7b14\u4ece\u4f60\u7684\u5730\u5740\uff0c\u53d1\u7ed9\u4e00\u4e2a\u7a7a\u5730\u5740\uff080x0\uff09\u7684\u4ea4\u6613\uff0c\u5e76\u628a\u5b57\u8282\u7801\u5b58\u5728\u4e00\u4e2a\u7ed9\u5b9a\u7684\u5b57\u6bb5\u91cc\u9762\uff08\u53ebinput\uff09\uff0c\u7b7e\u540d\u540e\u53d1\u5230\u6574\u4e2a\u7f51\u7edc\u4e0a\u3002\u63a5\u4e0b\u6765\u7684\u64cd\u4f5c\u548c\u666e\u901a\u4ea4\u6613\u5b8c\u5168\u4e00\u6837\u3002\u77ff\u5de5\u6536\u5230\u4e86\u4ee5\u540e\u7acb\u523b\u5f00\u59cb\u6253\u5305\uff0c\u7b97nonce\uff0c\u627e\u5230\u4e86\u4ee5\u540e\u518d\u53d1\u9001\u7ed9\u5168\u7f51\u7edc\u3002\u8fd9\u4e2a\u53ef\u4ee5\u88ab\u6267\u884c\u7684\u4ee3\u7801\uff0c\u5c31\u6c38\u4e45\u7684\u4ee5\u53ea\u53ef\u8bfb\u53d6\u4e0d\u53ef\u66f4\u6539\u7684\u65b9\u5f0f\uff0c\u5b58\u5728\u4e86\u533a\u5757\u94fe\u4e0a\u3002<\/p>\n

\u667a\u80fd\u5408\u7ea6\u5efa\u7acb\u540e\u4f1a\u8fd4\u56de\u4e00\u4e2a\u5730\u5740\u3002\u6bcf\u4e2a\u5e01\u90fd\u552f\u4e00\u7684\u5bf9\u5e94\u4e8e\u4e00\u4e2a\u667a\u80fd\u5408\u7ea6\uff0c\u4e5f\u5c31\u662f\u5bf9\u5e94\u4e8e\u4e00\u4e2a\u5730\u5740\u3002\u6bd4\u5982\u8457\u540d\u7684EOS\u5e01\uff0c\u5c31\u662f\u5730\u5740\u4e3a\u00a00x86fa049857e0209aa7d9e616f7eb3b3b78ecfdb0\u00a0<\/span>\u7684\u667a\u80fd\u5408\u7ea6\u53d1\u884c\u7684\u3002\u4f60\u53ef\u4ee5\u628a\u8fd9\u4e2a\u5730\u5740\u60f3\u8c61\u6210\u4ee5\u592a\u574a\u4e16\u754c\u91cc\u7684\u95e8\u724c\u53f7\u3002\u5e01\u662f\u4ee5\u8fd9\u4e2a\u552f\u4e00\u7684\u95e8\u724c\u53f7\u6765\u533a\u5206\u7684\uff0c\u800c\u4e0d\u662f\u90a3\u4e09\u4f4d\u7684\u540d\u5b57\u3002<\/p>\n

\u8c03\u7528\u5408\u7ea6<\/strong><\/p>\n

\u73b0\u5728\uff0c\u5408\u7ea6\u7684\u4ee3\u7801\u5b89\u5168\u7684\u5b58\u5728\u533a\u5757\u94fe\u4e0a\u4e86\u3002\u90a3\u4e48\u63a5\u4e0b\u6765\u8fd9\u4e9b\u4ee3\u7801\u4ec0\u4e48\u65f6\u5019\u6267\u884c\u5462\uff1f<\/p>\n

\u4e00\u4e2a\u667a\u80fd\u5408\u7ea6\u91cc\u9762\u6709\u591a\u4e2a\u51fd\u6570\u3002\u8c03\u7528\u667a\u80fd\u5408\u7ea6\u91cc\u7684\u4e00\u4e2a\u51fd\u6570\uff0c\u548c\u53d1\u8d77\u4e00\u7b14\u666e\u901a\u8f6c\u8d26\u4ea4\u6613\u4e00\u6837\u3002\u5f88\u591a\u7684\u5ba2\u6237\u7aef\u5df2\u7ecf\u5185\u7f6e\u8fdb\u53bb\u4e86\u3002\u4f60\u63d0\u4f9b\u5408\u7ea6\u7684\u5730\u5740\uff0c\u63d0\u4f9b\u8c03\u7528\u7684\u51fd\u6570\uff0c\u4ee5\u53ca\u4f20\u5165\u53c2\u6570\uff0c\u7136\u540e\u53d1\u9001\u6d88\u606f\u5c31\u5f00\u59cb\u6267\u884c\u4e86\u2464\u3002\u4f60\u53ef\u4ee5\u628a\u5b83\u7406\u89e3\u4e3a\u4ece\u95e8\u724c\u53f7\u7684\u5c4b\u5b50\u91cc\u9762\u62ff\u4e1c\u897f\u6216\u8005\u653e\u4e1c\u897f\u8fdb\u5230\u7ed9\u5b9a\u7684\u5c4b\u5b50\u3002<\/p>\n

\u6d88\u606f\u53d1\u51fa\u4ee5\u540e\uff0c\u6240\u6709\u7684\u77ff\u5de5\u90fd\u6267\u884c\u8fd9\u6bb5\u4ee3\u7801\uff0c\u5e76\u4e14\u8bd5\u56fe\u628a\u7ed3\u679c\u6253\u5305\u5230\u81ea\u5df1\u7684\u6570\u636e\u5757\u4e2d\uff0c\u80dc\u51fa\u7684\u77ff\u5de5\u83b7\u5f97\u6316\u77ff\u7684\u6536\u76ca\u3002\u6240\u6709\u7684\u8282\u70b9<\/strong>\u6536\u5230\u8fd9\u4e2a\u65b0\u7684\u533a\u5757\uff0c\u4e5f\u7528\u81ea\u5df1\u7684\u865a\u62df\u673a\u6267\u884c\u4e00\u904d\u4ee3\u7801\uff0c\u786e\u8ba4\u7ed3\u679c\u548c\u6536\u5230\u7684\u5757\u5185\u7ed3\u679c\u65e0\u5f02\u4e4b\u540e\u624d\u5f53\u4f5c\u5408\u6cd5\u533a\u5757\u63a5\u53d7\u3002<\/p>\n

\u533a\u5757\u94fe\u5c31\u662f\u901a\u8fc7\u8fd9\u79cd\u8d85\u989d\u7684\u6d6a\u8d39\uff0c\u770b\u4f3c\u65e0\u610f\u4e49\u7684\u7b97nonce\uff0c\u770b\u4f3c\u65e0\u610f\u4e49\u7684\u53cd\u53cd\u590d\u590d\uff0c\u6ca1\u5b8c\u6ca1\u4e86\u7684\u6267\u884c\u540c\u4e00\u6bb5\u4ee3\u7801\uff0c\u6765\u4fdd\u8bc1\u4e86\u4e00\u4e2a\u5b89\u5168\u7684\u7cfb\u7edf\u3002\u8fd9\u4e8b\u513f\u5c31\u8ddf\u65e9\u4e0a\u53e0\u88ab\u5b50\u665a\u4e0a\u8fd8\u5f97\u5c55\u5f00\u4e00\u6837\uff0c\u770b\u4f3c\u4e0d\u4ea7\u751f\u4ef7\u503c\uff0c\u5b9e\u5219\u662f\u623f\uff08shu\uff09\u95f4\uff08ju\uff09\u6574\uff08an\uff09\u6d01\uff08quan\uff09\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u73af\u3002<\/p>\n

\u82b1\u8d39 Gas<\/strong><\/p>\n

\u65e2\u7136\u4ee3\u7801\u8981\u88ab\u6240\u6709\u8282\u70b9\u53cd\u590d\u6267\u884c\uff0c\u90a3\u4e48\u95ee\u9898\u5c31\u6765\u4e86\uff1a\u8981\u662f\u8c01\u5199\u4e86\u5de8\u957f\u65e0\u6bd4\u7684\u4ee3\u7801\uff0c\u6216\u8005\u8c01\u5199\u4e86\u6709\u95ee\u9898\u7684\u4ee3\u7801\uff0c\u6b7b\u5faa\u73af\u4e0d\u7ed3\u675f\u4e86\u600e\u4e48\u529e\uff1f\u4ee5\u592a\u574a\u7684\u89e3\u51b3\u65b9\u6cd5\u5c31\u662f\u5f15\u5165gas\uff0c\u6bcf\u6267\u884c\u4e00\u4e2a\u64cd\u4f5c\u90fd\u662f\u6536\u8d39\u7684\u3002\u600e\u4e48\u6536\u8d39\u5462\uff1f<\/p>\n

\u9996\u5148\u6bcf\u4e2a\u4ea4\u6613\u7684\u4ee3\u7801\u6267\u884c\u91cf\u8d8a\u5927\uff0c\u9700\u8981\u7684gas\u5c31\u8d8a\u591a\u3002\u5b57\u8282\u7801\u6bcf\u4e00\u4e2a\u64cd\u4f5c\u90fd\u6709\u56fa\u5b9a\u7684gas\u82b1\u9500\u3002\u4ee5\u53d1\u5e01\u4ee3\u7801\u4e3a\u4f8b\uff0c\u5982\u4e0b\u662f\u4ee5\u592a\u574a\u7ed9\u6211\u53d1\u7684\u8d26\u5355\u3002\u603b\u5171\u6267\u884c\u4e86320\u6b65\u5b57\u8282\u7801\u7684\u64cd\u4f5c\u3002\u6709\u7684\u64cd\u4f5c\u5f88\u4fbf\u5b9c\uff0c\u6bd4\u5982\u538b\u6808(PUSH1<\/span>)\uff0c\u53ea\u89813\u4e2a\u5355\u4f4d\u7684gas\uff0c\u6709\u7684\u5c31\u5f88\u8d35\uff0c\u6bd4\u5982\u5728\u533a\u5757\u94fe\u4e0a\u5b58\u6570\u636e(SSTORE<\/span>)\u5c31\u4e00\u4e0b\u5b50\u82b1\u4e8620,000\u4e2a\u5355\u4f4d\uff0c\u800c\u8bfb\u53d6\u6570\u636e(SLOAD<\/span>) \u4e2d\u7b49\uff0c 200\u4e2a\u5355\u4f4d\u3002\u5982\u4e0b\u52a0\u5728\u4e00\u8d77\u5c31\u662f1,300,213\u4e2a\u5355\u4f4d\u7684gas\u3002\u53ea\u8981\u6267\u884c\u8fd9\u6bb5\u4ee3\u7801\uff0c\u5c31\u662f\u8981\u8fd9\u4e48\u591agas\uff0c\u597d\u50cf\u6c7d\u8f66\u4fee\u7406\u5e97\u5de5\u65f6<\/strong>\u7684\u6982\u5ff5\u3002<\/p>\n

<\/p>\n

\u63d0\u4ea4\u7684\u65f6\u5019\u6bcf\u4e2a\u4eba\u90fd\u53ef\u4ee5\u51fa\u4ef7\uff0c\u58f0\u660e\u81ea\u5df1\u613f\u610f\u4e3a\u6bcf\u4e2a\u5355\u4f4dgas\u4ed8\u591a\u5c11\u94b1(price)\u3002\u8fd9\u4e2a\u6709\u70b9\u50cf\u4fee\u7406\u5e97\u7684\u6bcf\u5de5\u65f6\u7684\u4ef7\u94b1\u3002\u6bd4\u5982\u4f60\u53ef\u4ee5\u51fa8 gwei\/gas\uff0c\u621620 gwei\/gas \u2465\u3002\u77ff\u5de5\u4eec\u5927\u591a\u6570\u90fd\u662f\u6309\u7167\u8fd9\u4e2a\u4ef7\u94b1\u6392\u5e8f\u4f18\u5148\u6253\u5305\u51fa\u94b1\u591a\u7684\u3002\u51fa\u94b1\u5c11\u5c31\u6162\uff0c\u751a\u81f3\u6ca1\u4eba\u7406\u3002<\/p>\n

\u77ff\u5de5\u7684\u8d39\u7528 = \u00a0gas\u5355\u4f4d\u6570 * \u5355\u4f4d\u4ef7\u683c\u3002<\/p>\n

\u5982\u4e0b\u56fe\u6240\u793a\u4ea4\u6613\uff0c1,300,213 gas * 2 gwei\/gas = 2,600,426 gwei\uff0c\u62160.002600426 \u4ee5\u592a\u5e01\uff0c\u6298\u54081.832\u7f8e\u5143\u3002\u6700\u7ec8\u628a\u8fd9\u7b14\u4ea4\u6613\u6253\u5305\u8fdb\u533a\u5757\u94fe\u7684\u77ff\u5de5\u83b7\u5f97\u8fd9\u90e8\u5206\u8d39\u7528\u3002<\/p>\n

<\/p>\n

\u9664\u4e86\u4ef7\u683c\u4ee5\u5916\uff0c\u8fd8\u9700\u8981\u6307\u5b9a\u4e00\u4e2agas limit\uff0c\u5c31\u662f\u4f60\u4e3a\u4e86\u8fd9\u6bb5\u4ee3\u7801\u6700\u591a<\/strong>\u613f\u610f\u4ed8\u591a\u5c11\u5355\u4f4d\u7684gas\u3002\u8fd9\u5c31\u662f\u4e3a\u4e86\u9884\u9632\u4ee3\u7801\u51fa\u73b0\u95ee\u9898\uff0c\u65e0\u9650\u5faa\u73af\u4e0b\u53bb\uff0c\u76f4\u5230\u628a\u4f60\u7684\u8d26\u6237\u91cc\u7684\u94b1\u8017\u5c3d\u4e3a\u6b62\u3002\u5982\u4e0a\u56fe\uff0cgas limit\u8bbe\u4e3a1,300,213\u4e2a\uff0c\u8fd9\u6bb5\u4ee3\u7801\u5b9e\u9645\u4e0a\u4e5f\u53ea\u7528\u4e861,300,213\u4e2a\u5355\u4f4d\u7684gas\uff0c\u8fd8\u597d\uff0c\u6b63\u597d\u6ca1\u6709\u8d85\u8fc7\u9650\u5236\u3002\u5426\u5219\u8d85\u8fc7\u4e86\u7a0b\u5e8f\u6267\u884c\u4f1a\u560e\u7136\u800c\u6b62\uff0c\u5df2\u7ecf\u82b1\u7684gas\u4e0d\u9000\u3002<\/p>\n

\u667a\u80fd\u5408\u7ea6\u7684\u4ef7\u503c<\/strong><\/p>\n

\u667a\u80fd\u5408\u7ea6\u7b2c\u4e00\u6b21\u8ba4\u53ef\u4e86\u4ee3\u7801\u7684\u81ea\u4e3b\u6743\u3002\u4ee3\u7801\u53ef\u4ee5\u62e5\u8d22\u4ea7\uff0c\u53ef\u4ee5\u548c\u4eba\u4e00\u6837\u5e73\u7b49\u7684\u5728\u533a\u5757\u94fe\u4e0a\u4ea4\u6613\u3002\u4e00\u4e2a\u5408\u7ea6\u7684\u4ee3\u7801\u4e00\u65e6\u53d1\u5e03\uff0c\u8c01\u90fd\u6539\u4e0d\u4e86\u4e86\uff0c\u8fde\u4e0a\u5e1d\u90fd\u65e0\u80fd\u4e3a\u529b\u3002\u8fd9\u5c31\u662f\u4fe1\u4efb\u7684\u6765\u6e90\u3002\u5927\u5bb6\u53ef\u4ee5\u50cf\u575a\u4fe1\u81ea\u7136\u5b9a\u5f8b\u4e00\u6837\u575a\u4fe1\u8fd9\u4e2a\u5408\u7ea6\u5982\u4ee3\u7801\u6240\u5199\u7684\u6267\u884c\u3002\u4f60\u4e0d\u9700\u8981\u76f8\u4fe1\u4efb\u4f55\u4eba\uff0c\u53ea\u9700\u8981\u8ba4\u771f\u7684\u8bfb\u667a\u80fd\u5408\u7ea6\u7684\u4ee3\u7801\uff0c\u5c31\u53ef\u4ee5\u786e\u5b9a\u6027\u7684\u77e5\u9053\u8fd9\u4e2a\u5408\u7ea6\u5c06\u5982\u4f55\u6267\u884c\u3002<\/p>\n

\u5982\u4e0a\u4ece\u6280\u672f\u5c42\u9762\u7b80\u5355\u7684\u4ecb\u7ecd\u4e86\u4e00\u4e0b\u667a\u80fd\u5408\u7ea6\u7684\u8fc7\u7a0b\u3002\u4f46\u667a\u80fd\u5408\u7ea6\u548c\u533a\u5757\u94fe\u771f\u6b63\u7684\u4ef7\u503c\u4e0d\u5728\u6280\u672f\uff0c\u800c\u662f\u5b83\u4eec\u5bf9\u4e8e\u4ef7\u503c\u4f20\u9012\u4ee5\u53ca\u4fe1\u4efb\u5efa\u7acb\u7684\u8d21\u732e\u3002<\/p>\n

\u6211\u4eec\u770b\u5230\u7684\u4eba\u7c7b\u53d1\u5c55\u603b\u662f\u591a\u6761\u7ebf\u5e76\u8fdb\uff0c\u4e00\u6761\u662f\u751f\u4ea7\u6548\u7387\uff0c\u84b8\u6c7d\u673a\uff0c\u7535\u529b\uff0c\u8ba1\u7b97\u673a\uff0c\u4e92\u8054\u7f51\uff0c\u4eba\u5de5\u667a\u80fd\u7b49\u90fd\u5728\u8fd9\u6761\u7ebf\u4e0a\uff1b\u533a\u5757\u94fe\u662f\u751f\u4ea7\u5173\u7cfb\u7684\u8fdb\u6b65\u8fd9\u6761\u7ebf\u4e0a\u7684\uff0c\u8fd9\u6761\u7ebf\u4e0a\u66fe\u7ecf\u6709\u8fc7\u8d27\u5e01\uff0c\u73b0\u4ee3\u516c\u53f8\u5236\u5ea6\uff0c\u80a1\u7968\uff0c\u73b0\u5728\u6709\u4e86\u533a\u5757\u94fe\u3002<\/p>\n

\u665a\u4e00\u4e9b\u6211\u518d\u804a\u4e00\u4e0b\u5b83\u5bf9\u4fe1\u4efb\u7684\u8d21\u732e\uff0c\u8fd8\u6709\u53ef\u80fd\u5bf9\u4e8e\u793e\u4f1a\u7684\u6539\u53d8\u3002<\/p>\n

\u540e\u6ce8<\/strong><\/p>\n

\u2460 \u5f88\u591a\u4e13\u4e1a\u4eba\u58eb\u5e0c\u671b\u628atoken\u7ffb\u8bd1\u6210\u901a\u8bc1\uff0c\u800c\u4e0d\u662f\u4ee3\u5e01\u3002\u201c\u901a\u8bc1\u201d\u66f4\u52a0\u7b26\u5408\u5355\u8bcd\u539f\u610f\uff0c\u7b26\u5408\u4e8b\u7269\u672c\u8d28\uff0c\u4e5f\u5e0c\u671b\u907f\u514d\u88ab\u5f53\u4f5c\u8d27\u5e01\u76d1\u7ba1\u3002\u8fd9\u50cf\u6781\u4e86\u201c\u7f51\u5fd7\u201d\u548c\u201c\u535a\u5ba2\u201d\u4e24\u4e2a\u8bd1\u540d\u4e4b\u4e89\u3002\u7ed3\u679c\u535a\u5ba2\u88ab\u63a5\u53d7\uff0c\u66f4\u52a0\u51c6\u786e\uff0c\u62d7\u53e3\uff0c\u540e\u6765\u51fa\u73b0\u7684\u7f51\u5fd7\u4e0d\u518d\u6709\u4eba\u63d0\u8d77\u3002\u8fd9\u4e2a\u7ed3\u679c\u6216\u8bb8\u53ef\u4ee5\u9884\u6d4b\u901a\u8bc1\u8fd9\u4e2a\u7ffb\u8bd1\u7684\u7ed3\u679c\u3002<\/p>\n

\u2461Transfer\u51fd\u6570\u524d\u9762\u7684\u4e24\u53e5require\uff0c\u7b2c\u4e00\u4e2a\u662f\u8981\u6c42\u4f60\u7684\u4f59\u989d\u5fc5\u987b\u5927\u4e8e\u8f6c\u8d26\u91d1\u989d\uff0c\u7b2c\u4e8c\u4e2a\u662f\u8981\u6c42\u8f6c\u8d26\u91d1\u989d\u4e0d\u8981\u8fc7\u5927\u4ee5\u81f3\u4e8e\u5927\u4e8e256\u4f4d\u6574\u6570\u80fd\u5bb9\u7eb3\u7684\u6570\u5b57\u3002msg.sender \u662f\u5185\u7f6e\u7684\uff0c\u53ef\u4ee5\u83b7\u53d6\u6d88\u606f\u7684\u53d1\u9001\u4eba\u7684\u5730\u5740\u3002<\/p>\n

\u2462\u53ef\u4ee5\u641c\u7d22Remix\uff0c\u6216MyEtherWallet\u3002Solidity\u7684\u8bed\u6cd5\u548cJavaScript\u5f88\u50cf\uff0c\u4e13\u95e8\u7528\u4e8e\u4ee5\u592a\u574a\u4e0a\u7f16\u5199\u667a\u80fd\u5408\u7ea6\u3002<\/p>\n

\u2463\u8fd9\u91cc\u89e3\u91ca\u4e00\u4e0b\u6280\u672f\u7ec6\u8282\u3002\u5efa\u7acb\u5408\u7ea6\u7684\u65f6\u5019\uff0c\u7528\u6237\u53d1\u8d77\u4e00\u7b14\u53d1\u6b3e\u4eba\u4e3a\u81ea\u5df1\uff0c\u6536\u6b3e\u4eba\u4e3a\u7a7a\u5730\u5740 0x0 \u7684\u4ea4\u6613\uff0c\u5e76\u628a\u5b57\u8282\u7801\u653e\u5230\u4ea4\u6613\u91cc\u9762\u53eb\u505a\u8f93\u5165\uff08Input\uff09\u7684\u5b57\u6bb5\u91cc\u9762\u3002\u77ff\u5de5\u5c31\u4f1a\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u5408\u7ea6\u5730\u5740\u5e76\u628a\u4ee3\u7801\u5b58\u5728\u8fd9\u4e2a\u5730\u5740\u91cc\u3002<\/p>\n

\u2464\u6280\u672f\u5b9e\u73b0\uff0c\u5176\u5b9e\u662f\u5728\u4ea4\u6613\u6570\u636e\u7684Input\u5b57\u6bb5\u52a0\u4e0a\u4e86\u4e00\u4e2a\u7f16\u7801\u540e\u7684\u6570\u5b57\u3002\u6bd4\u5982\u8fd9\u4e32\u6570\u5b57\uff1aa9059cbb<\/span>00000000000000000000000007fdf7518745170e3d9de26874578b6c0a72b9dc<\/span>0000000000000000000000000000000000000000000000000000000000000010<\/span><\/p>\n

\u989c\u8272\u662f\u6211\u4e3a\u4e86\u533a\u5206\u52a0\u7684\uff0c\u524d\u56db\u5b57\u8282a9059cbb<\/span>\u662f\u51fd\u6570\u540d<\/span>\u00a0\uff0c”transfer(address,uint256)”\u8fd9\u4e2a\u5b57\u7b26\u4e32\u7684SHA3-256\u54c8\u5e0c\u7ed3\u679ca9059cbb2ab09eb219583f4a59a5d0623ade346d962bcd4e46b11da047c9049b<\/span>\u7684\u524d4\u4f4d\uff0c\u7528\u6765\u6307\u5b9a\u662f\u54ea\u4e00\u4e2a\u51fd\u6570\uff0c\u6839\u636e\u51fd\u6570\u5b9a\u4e49\uff0c\u5c31\u77e5\u9053\u540e32\u4f4d\u662f\u7b2c\u4e00\u4e2a\u53c2\u6570\uff1a\u5730\u5740<\/span>\u00a0\uff0c\u4e5f\u5c31\u662f0x07fdf7518745170e3d9de26874578b6c0a72b9dc<\/span>\u3002\u63a5\u4e0b\u676532\u4e2a\u5b57\u8282\u662f<\/span><\/p>\n

\u91d1\u989d\u00a0<\/span>\uff0c\u76f8\u5f53\u4e8e\u5341\u8fdb\u523616\u3002\u5927\u5bb6\u770b\u5f97\u51fa\uff0c\u73b0\u5728\u7684\u533a\u5757\u94fe\u4ece\u62bd\u8c61\u6c34\u5e73\u4e0a\u57fa\u672c\u4e0a\u8fd8\u505c\u7559\u5728\u8ba1\u7b97\u673a\u7684DOS\u548c\u6c47\u7f16\u8bed\u8a00\u7684\u65f6\u4ee3\u3002<\/span><\/p>\n

\u2465 1 gwei \u5c31\u662f 1,000,000,000 \u4e2awei\u3002\u8fd9\u4e2ag\u5c31\u8ddf\u5185\u5b58\u5355\u4f4d\u591a\u5c11GB\u7684G\u662f\u4e00\u4e2a\u6982\u5ff5\uff0c\u5c31\u662f10\u4ebf\u7684\u610f\u601d\u300210\u768418\u6b21\u65b9\u4e2awei\u5c31\u7b49\u4e8e\u4e00\u4e2a\u4ee5\u592a\u5e01\u3002\u6240\u4ee51 gwei\u770b\u8d77\u6765\u5f88\u5927\uff0c\u5176\u5b9e\u4e5f\u5c31\u662f10\u76849\u6b21\u65b9\u5206\u4e4b1\u4e2a\u4ee5\u592a\u5e01\u800c\u5df2\u3002\u4e00\u4e2a\u4ee5\u592a\u5e01\u5728\u6211\u5199\u8fd9\u7bc7\u6587\u7ae0\u7684\u65f6\u5019\u662f764\u7f8e\u5143\uff0c\u4f60\u5927\u6982\u6709\u6982\u5ff5\u4e86\u662f\u591a\u5c11\u94b1\u4e86\u5427\u3002<\/p>\n

\u2466 \u53d1\u5e01\u65f6\u5019\u6307\u5b9a\u7684\u540d\u79f0\uff0c\u7b26\u53f7\uff0c\u4ec5\u4ec5\u5c31\u662f\u4e00\u4e2a\u5b57\u4ed8\u4e32\uff0c\u662f\u53ef\u4ee5\u91cd\u590d\u7684\u3002\u4f60\u53ef\u4ee5\u53d1\u4e00\u4e2a\u5e01\u53ebUSD\uff0cRMB\uff0c\u6216\u4efb\u4f55\u4f60\u80fd\u60f3\u8c61\u7684\u540d\u5b57\u3002Token\u662f\u4ee5\u53d1\u884c\u8fd9\u4e2aToken\u7684\u667a\u80fd\u5408\u7ea6\u7684\u5730\u5740\u552f\u4e00\u6307\u5b9a\u7684\uff0c\u548c\u540d\u5b57\u65e0\u5173\u3002<\/p>\n

\u4e0a\u7bc7\uff1a\u94fe\u8868\uff0c\u54c8\u5e0c\uff0c\u6316\u77ff\u7b49 \uff0d \u533a\u5757\u94fe\u6280\u672f\u5b66\u4e60\u7b14\u8bb0<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\u667a\u80fd\u5408\u7ea6\uff08Smart \u00a0Contract\uff09\u662f\u533a\u5757\u94fe\u4e00\u4e2a\u91cd\u8981\u7684\u529f\u80fd\u3002\u8bf4\u5230\u667a\u80fd\u5408\u7ea6\uff0c\u6211\u4eec\u5f97\u628a\u89c6\u91ce\u4ece\u6bd4\u7279\u5e01\u8f6c\u5230\u4ee5\u592a\u574a … \u7ee7\u7eed\u9605\u8bfb\u667a\u80fd\u5408\u7ea6\uff0c\u4ee3\u5e01\uff08Token\uff09\u7b49 – \u533a\u5757\u94fe\u6280\u672f\u5b66\u4e60\u7b14\u8bb0<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/home.wangjianshuo.com\/cn\/wp-json\/wp\/v2\/posts\/1572"}],"collection":[{"href":"https:\/\/home.wangjianshuo.com\/cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/home.wangjianshuo.com\/cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/home.wangjianshuo.com\/cn\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/home.wangjianshuo.com\/cn\/wp-json\/wp\/v2\/comments?post=1572"}],"version-history":[{"count":1,"href":"https:\/\/home.wangjianshuo.com\/cn\/wp-json\/wp\/v2\/posts\/1572\/revisions"}],"predecessor-version":[{"id":1573,"href":"https:\/\/home.wangjianshuo.com\/cn\/wp-json\/wp\/v2\/posts\/1572\/revisions\/1573"}],"wp:attachment":[{"href":"https:\/\/home.wangjianshuo.com\/cn\/wp-json\/wp\/v2\/media?parent=1572"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/home.wangjianshuo.com\/cn\/wp-json\/wp\/v2\/categories?post=1572"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/home.wangjianshuo.com\/cn\/wp-json\/wp\/v2\/tags?post=1572"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}