54 lines
2.3 KiB
JavaScript
54 lines
2.3 KiB
JavaScript
|
'use strict';
|
||
|
|
var __importDefault = (this && this.__importDefault) || function (mod) {
|
||
|
|
return (mod && mod.__esModule) ? mod : { "default": mod };
|
||
|
|
};
|
||
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
||
|
|
var fs_1 = __importDefault(require("fs"));
|
||
|
|
var path_1 = __importDefault(require("path"));
|
||
|
|
var browserify_zlib_1 = __importDefault(require("browserify-zlib"));
|
||
|
|
var bytes_1 = require("@ethersproject/bytes");
|
||
|
|
var keccak256_1 = require("@ethersproject/keccak256");
|
||
|
|
var strings_1 = require("@ethersproject/strings");
|
||
|
|
function saveTests(tag, data) {
|
||
|
|
//let filename = path.resolve(__dirname, 'testcases', tag + '.json.gz');
|
||
|
|
var filename = path_1.default.resolve('testcases', tag + '.json.gz');
|
||
|
|
fs_1.default.writeFileSync(filename, browserify_zlib_1.default.gzipSync(JSON.stringify(data, undefined, ' ') + '\n'));
|
||
|
|
console.log('Save testcase: ' + filename);
|
||
|
|
}
|
||
|
|
exports.saveTests = saveTests;
|
||
|
|
function loadTests(tag) {
|
||
|
|
var filename = path_1.default.resolve(__dirname, 'testcases', tag + '.json.gz');
|
||
|
|
return JSON.parse(browserify_zlib_1.default.gunzipSync(fs_1.default.readFileSync(filename)).toString());
|
||
|
|
}
|
||
|
|
exports.loadTests = loadTests;
|
||
|
|
function loadData(filename) {
|
||
|
|
return fs_1.default.readFileSync(path_1.default.resolve(__dirname, filename));
|
||
|
|
}
|
||
|
|
exports.loadData = loadData;
|
||
|
|
function randomBytes(seed, lower, upper) {
|
||
|
|
if (!upper) {
|
||
|
|
upper = lower;
|
||
|
|
}
|
||
|
|
if (upper === 0 && upper === lower) {
|
||
|
|
return new Uint8Array(0);
|
||
|
|
}
|
||
|
|
var result = bytes_1.arrayify(keccak256_1.keccak256(strings_1.toUtf8Bytes(seed)));
|
||
|
|
while (result.length < upper) {
|
||
|
|
result = bytes_1.concat([result, keccak256_1.keccak256(result)]);
|
||
|
|
}
|
||
|
|
var top = bytes_1.arrayify(keccak256_1.keccak256(result));
|
||
|
|
var percent = ((top[0] << 16) | (top[1] << 8) | top[2]) / 0x01000000;
|
||
|
|
return result.slice(0, lower + Math.floor((upper - lower) * percent));
|
||
|
|
}
|
||
|
|
exports.randomBytes = randomBytes;
|
||
|
|
function randomHexString(seed, lower, upper) {
|
||
|
|
return bytes_1.hexlify(randomBytes(seed, lower, upper));
|
||
|
|
}
|
||
|
|
exports.randomHexString = randomHexString;
|
||
|
|
function randomNumber(seed, lower, upper) {
|
||
|
|
var top = randomBytes(seed, 3);
|
||
|
|
var percent = ((top[0] << 16) | (top[1] << 8) | top[2]) / 0x01000000;
|
||
|
|
return lower + Math.floor((upper - lower) * percent);
|
||
|
|
}
|
||
|
|
exports.randomNumber = randomNumber;
|