102 lines
2.7 KiB
TypeScript
102 lines
2.7 KiB
TypeScript
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'use strict';
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import fs from 'fs';
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import path from 'path';
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import zlib from 'browserify-zlib';
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import { arrayify, concat, hexlify } from "@ethersproject/bytes";
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import { keccak256 } from "@ethersproject/keccak256";
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import { toUtf8Bytes } from "@ethersproject/strings";
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export module TestCase {
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export type HDWalletNode = {
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path: string;
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address: string;
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privateKey: string;
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};
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export type HDWallet = {
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name: string;
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seed: string;
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locale: string;
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password?: string;
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entropy: string;
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mnemonic: string;
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hdnodes: Array<HDWalletNode>
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};
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export type Wordlist = {
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locale: string;
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content: string;
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};
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export type Unit = {
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name: string
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ether: string,
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ether_format: string,
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wei: string,
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kwei?: string,
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mwei?: string,
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gwei?: string,
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szabo?: string,
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finney?: string,
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satoshi?: string
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kwei_format?: string,
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mwei_format?: string,
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gwei_format?: string,
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szabo_format?: string,
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finney_format?: string,
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satoshi_format?: string
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}
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}
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export function saveTests(tag: string, data: any) {
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//let filename = path.resolve(__dirname, 'testcases', tag + '.json.gz');
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let filename = path.resolve('testcases', tag + '.json.gz');
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fs.writeFileSync(filename, zlib.gzipSync(JSON.stringify(data, undefined, ' ') + '\n'));
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console.log('Save testcase: ' + filename);
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}
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export function loadTests(tag: string): any {
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let filename = path.resolve(__dirname, 'testcases', tag + '.json.gz');
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return JSON.parse(zlib.gunzipSync(fs.readFileSync(filename)).toString());
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}
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export function loadData(filename: string): Buffer {
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return fs.readFileSync(path.resolve(__dirname, filename));
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}
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export function randomBytes(seed: string, lower: number, upper?: number): Uint8Array {
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if (!upper) { upper = lower; }
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if (upper === 0 && upper === lower) { return new Uint8Array(0); }
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let result = arrayify(keccak256(toUtf8Bytes(seed)));
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while (result.length < upper) {
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result = concat([result, keccak256(result)]);
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}
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let top = arrayify(keccak256(result));
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let percent = ((top[0] << 16) | (top[1] << 8) | top[2]) / 0x01000000;
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return result.slice(0, lower + Math.floor((upper - lower) * percent));
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}
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export function randomHexString(seed: string, lower: number, upper?: number): string {
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return hexlify(randomBytes(seed, lower, upper));
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}
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export function randomNumber(seed: string, lower: number, upper: number): number {
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let top = randomBytes(seed, 3);
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let percent = ((top[0] << 16) | (top[1] << 8) | top[2]) / 0x01000000;
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return lower + Math.floor((upper - lower) * percent);
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}
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