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fixed-merkle-tree 0.7.3-p0

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Signed-off-by: T-Hax <>
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T-Hax 2023-05-13 20:52:40 +00:00
parent 19124126f4
commit e676b48b59
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40 changed files with 2976 additions and 6343 deletions
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@tornado/fixed-merkle-tree/lib/simpleHash.js Normal file
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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.simpleHash = void 0;
/***
* This is insecure hash function, just for example only
* @param data
* @param seed
* @param hashLength
*/
function simpleHash(data, seed, hashLength = 40) {
const str = data.join('');
let i, l, hval = seed !== null && seed !== void 0 ? seed : 0x811c9dcc5;
for (i = 0, l = str.length; i < l; i++) {
hval ^= str.charCodeAt(i);
hval += (hval << 1) + (hval << 4) + (hval << 6) + (hval << 8) + (hval << 24);
}
const hash = (hval >>> 0).toString(16);
return BigInt('0x' + hash.padEnd(hashLength - (hash.length - 1), '0')).toString(10);
}
exports.simpleHash = simpleHash;
exports.default = (left, right) => simpleHash([left, right]);