29 lines
798 B
JavaScript
29 lines
798 B
JavaScript
const ethUtil = require('ethereumjs-util')
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module.exports = {
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concatSig: function (v, r, s) {
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const rSig = ethUtil.fromSigned(r)
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const sSig = ethUtil.fromSigned(s)
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const vSig = ethUtil.bufferToInt(v)
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const rStr = padWithZeroes(ethUtil.toUnsigned(rSig).toString('hex'), 64)
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const sStr = padWithZeroes(ethUtil.toUnsigned(sSig).toString('hex'), 64)
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const vStr = ethUtil.stripHexPrefix(ethUtil.intToHex(vSig))
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return ethUtil.addHexPrefix(rStr.concat(sStr, vStr)).toString('hex')
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},
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normalize: function (address) {
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if (!address) return
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return ethUtil.addHexPrefix(address.toLowerCase())
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},
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}
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function padWithZeroes (number, length) {
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var myString = '' + number
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while (myString.length < length) {
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myString = '0' + myString
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}
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return myString
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}
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