mirror of
https://github.com/pezkuwichain/pezkuwi-common.git
synced 2026-04-26 01:47:57 +00:00
29 lines
1.1 KiB
JavaScript
29 lines
1.1 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.ethereumEncode = ethereumEncode;
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const util_1 = require("@pezkuwi/util");
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const index_js_1 = require("../keccak/index.js");
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const index_js_2 = require("../secp256k1/index.js");
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function getH160(u8a) {
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if ([33, 65].includes(u8a.length)) {
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u8a = (0, index_js_1.keccakAsU8a)((0, index_js_2.secp256k1Expand)(u8a));
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}
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return u8a.slice(-20);
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}
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function ethereumEncode(addressOrPublic) {
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if (!addressOrPublic) {
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return '0x';
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}
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const u8aAddress = (0, util_1.u8aToU8a)(addressOrPublic);
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if (![20, 32, 33, 65].includes(u8aAddress.length)) {
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throw new Error(`Invalid address or publicKey provided, received ${u8aAddress.length} bytes input`);
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}
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const address = (0, util_1.u8aToHex)(getH160(u8aAddress), -1, false);
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const hash = (0, util_1.u8aToHex)((0, index_js_1.keccakAsU8a)(address), -1, false);
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let result = '';
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for (let i = 0; i < 40; i++) {
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result = `${result}${parseInt(hash[i], 16) > 7 ? address[i].toUpperCase() : address[i]}`;
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}
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return `0x${result}`;
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}
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