{"id":2361,"date":"2022-05-13T11:03:05","date_gmt":"2022-05-13T02:03:05","guid":{"rendered":"https:\/\/blog.wsd.sh\/?p=2361"},"modified":"2022-05-13T14:15:37","modified_gmt":"2022-05-13T05:15:37","slug":"nodejserror%e3%82%aa%e3%83%96%e3%82%b8%e3%82%a7%e3%82%af%e3%83%88%e3%81%8b%e3%82%89%e3%80%81error%e3%81%ae%e5%80%a4%e3%82%92%e5%8f%96%e3%82%8a%e5%87%ba%e3%81%99","status":"publish","type":"post","link":"https:\/\/blog.wsd.sh\/?p=2361","title":{"rendered":"<small> nodejs : sendSignedTransactionde\u3067\u306eerror\u51e6\u7406<\/small>"},"content":{"rendered":"<p>\uff11\uff0esendSignedTransactionde\u3067\u306eerror\u51e6\u7406<br \/>\n\u30fberror\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089\u3001error\u306e\u5024\u3092\u53d6\u308a\u51fa\u3057\u3066responce\u3067\u8fd4\u3059<\/p>\n<p>\uff12\uff0e<br \/>\n\u30fb\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3067\u306ePromise\u3067\u53d7\u3051\u53d6\u3063\u305ferror\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089\u3001error\u306e\u5024\u3092\u53d6\u308a\u51fa\u3059<\/p>\n<pre>\r\nconst [ hash, err ] =\r\n    await eth.sendSignedTransaction(web3, '0x'+serializedTx.toString('hex'));\r\n<\/pre>\n<p>\uff13\uff0eerror\u306e\u5024\u3092\u53d6\u308a\u51fa\u3057\u3066responce\u3067\u8fd4\u3059step<br \/>\n(1) error\u3000object\u3092string\u306b\u5909\u63db<br \/>\n(2) \u4e0d\u8981\u306aword\u3092\u524a\u9664<br \/>\n(3) responce\u306eend\u306b\u6e21\u3059<\/p>\n<pre>\r\nconst eth                       = require(\".\/eth.js\");\r\n\u30fb\u30fb\u30fb\r\n\r\n    const [ hash, _err ] = await  eth.sendSignedTransaction(web3, '0x'+serializedTx.toString('hex'));\r\n\r\n    if (_err) {\r\n        let ERR_KEYWORD = \"Error: Returned error: \";\r\n        let err = _err.toString();\r\n\r\n        if(err.indexOf( ERR_KEYWORD ) !== -1) {\r\n            err = err.replace( ERR_KEYWORD,\"\");\r\n        }\r\n        return res.status(400).end(err)\r\n    }\r\n<\/pre>\n<p>\uff14\uff0e.\/eth.js<\/p>\n<pre>\r\nmodule.exports = {\r\n    sendSignedTransaction   : _sendSignedTransaction,\r\n}\r\n\r\nasync function _sendSignedTransaction(web3, transactionObject) {\r\n\r\n    let hash;\r\n    try {\r\n        hash = await __sendSignedTransaction(web3, transactionObject) ;\r\n    } catch (err) {\r\n            return [false, err];\r\n    }\r\n    return [hash, null];\r\n\r\n    function __sendSignedTransaction(web3, transactionObject) {\r\n\r\n        return new Promise((resolve, reject) => {\r\n            web3.eth.sendSignedTransaction(transactionObject, (error, hash) => {\r\n\r\n                if( error ) {\r\n                    return reject(error);\r\n                }\r\n                resolve (hash);\r\n            });\r\n        });\r\n    }\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\uff11\uff0esendSignedTransactionde\u3067\u306eerror\u51e6\u7406 \u30fberror\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089\u3001error\u306e\u5024\u3092\u53d6\u308a\u51fa\u3057\u3066responce\u3067\u8fd4\u3059 \uff12\uff0e \u30fb\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3067\u306ePromise\u3067\u53d7\u3051\u53d6\u3063\u305ferror\u30aa\u30d6\u30b8&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=\/wp\/v2\/posts\/2361"}],"collection":[{"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2361"}],"version-history":[{"count":11,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=\/wp\/v2\/posts\/2361\/revisions"}],"predecessor-version":[{"id":2370,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=\/wp\/v2\/posts\/2361\/revisions\/2370"}],"wp:attachment":[{"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}