54 lines
2.3 KiB
JavaScript
54 lines
2.3 KiB
JavaScript
'use strict';
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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var fs_1 = __importDefault(require("fs"));
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var path_1 = __importDefault(require("path"));
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var browserify_zlib_1 = __importDefault(require("browserify-zlib"));
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var bytes_1 = require("@ethersproject/bytes");
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var keccak256_1 = require("@ethersproject/keccak256");
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var strings_1 = require("@ethersproject/strings");
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function saveTests(tag, data) {
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//let filename = path.resolve(__dirname, 'testcases', tag + '.json.gz');
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var filename = path_1.default.resolve('testcases', tag + '.json.gz');
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fs_1.default.writeFileSync(filename, browserify_zlib_1.default.gzipSync(JSON.stringify(data, undefined, ' ') + '\n'));
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console.log('Save testcase: ' + filename);
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}
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exports.saveTests = saveTests;
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function loadTests(tag) {
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var filename = path_1.default.resolve(__dirname, 'testcases', tag + '.json.gz');
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return JSON.parse(browserify_zlib_1.default.gunzipSync(fs_1.default.readFileSync(filename)).toString());
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}
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exports.loadTests = loadTests;
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function loadData(filename) {
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return fs_1.default.readFileSync(path_1.default.resolve(__dirname, filename));
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}
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exports.loadData = loadData;
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function randomBytes(seed, lower, upper) {
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if (!upper) {
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upper = lower;
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}
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if (upper === 0 && upper === lower) {
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return new Uint8Array(0);
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}
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var result = bytes_1.arrayify(keccak256_1.keccak256(strings_1.toUtf8Bytes(seed)));
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while (result.length < upper) {
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result = bytes_1.concat([result, keccak256_1.keccak256(result)]);
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}
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var top = bytes_1.arrayify(keccak256_1.keccak256(result));
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var 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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exports.randomBytes = randomBytes;
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function randomHexString(seed, lower, upper) {
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return bytes_1.hexlify(randomBytes(seed, lower, upper));
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}
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exports.randomHexString = randomHexString;
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function randomNumber(seed, lower, upper) {
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var top = randomBytes(seed, 3);
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var 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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exports.randomNumber = randomNumber;
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