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- "use strict";
- import { arrayify } from "@ethersproject/bytes";
- import { Logger } from "@ethersproject/logger";
- import { version } from "./_version";
- const logger = new Logger(version);
- // Debugging line for testing browser lib in node
- //const window = { crypto: { getRandomValues: () => { } } };
- // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/globalThis
- function getGlobal() {
- if (typeof self !== 'undefined') {
- return self;
- }
- if (typeof window !== 'undefined') {
- return window;
- }
- if (typeof global !== 'undefined') {
- return global;
- }
- throw new Error('unable to locate global object');
- }
- ;
- const anyGlobal = getGlobal();
- let crypto = anyGlobal.crypto || anyGlobal.msCrypto;
- if (!crypto || !crypto.getRandomValues) {
- logger.warn("WARNING: Missing strong random number source");
- crypto = {
- getRandomValues: function (buffer) {
- return logger.throwError("no secure random source avaialble", Logger.errors.UNSUPPORTED_OPERATION, {
- operation: "crypto.getRandomValues"
- });
- }
- };
- }
- export function randomBytes(length) {
- if (length <= 0 || length > 1024 || (length % 1) || length != length) {
- logger.throwArgumentError("invalid length", "length", length);
- }
- const result = new Uint8Array(length);
- crypto.getRandomValues(result);
- return arrayify(result);
- }
- ;
- //# sourceMappingURL=random.js.map
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