mirror of
https://github.com/kremalicious/metamask-extension.git
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ae08035d5d
We want to convert NetworkController to TypeScript in order to be able to compare differences in the controller between in this repo and the core repo. To do this, however, we need to convert the dependencies of the controller to TypeScript. As a part of this effort, this commit converts `shared/modules/network.utils.js` to TypeScript, and also adds tests. Co-authored-by: Mark Stacey <markjstacey@gmail.com>
87 lines
3.1 KiB
TypeScript
87 lines
3.1 KiB
TypeScript
import { MAX_SAFE_CHAIN_ID } from '../constants/network';
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import {
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isSafeChainId,
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isPrefixedFormattedHexString,
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isTokenDetectionEnabledForNetwork,
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} from './network.utils';
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describe('network utils', () => {
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describe('isSafeChainId', () => {
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it('returns true given an integer greater than 0 and less than or equal to the max safe chain ID', () => {
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expect(isSafeChainId(3)).toBe(true);
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});
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it('returns true given the max safe chain ID', () => {
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expect(isSafeChainId(MAX_SAFE_CHAIN_ID)).toBe(true);
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});
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it('returns false given something other than an integer', () => {
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expect(isSafeChainId('not-an-integer')).toBe(false);
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});
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it('returns false given a negative integer', () => {
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expect(isSafeChainId(-1)).toBe(false);
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});
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it('returns false given an integer greater than the max safe chain ID', () => {
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expect(isSafeChainId(MAX_SAFE_CHAIN_ID + 1)).toBe(false);
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});
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});
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describe('isPrefixedFormattedHexString', () => {
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it('returns true given a string that matches a hex number formatted as a "0x"-prefixed, non-zero, non-zero-padded string', () => {
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expect(isPrefixedFormattedHexString('0x1')).toBe(true);
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expect(isPrefixedFormattedHexString('0xa')).toBe(true);
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expect(isPrefixedFormattedHexString('0xabc123')).toBe(true);
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});
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it('returns true given a "0x"-prefixed hex string that contains uppercase characters', () => {
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expect(isPrefixedFormattedHexString('0XABC123')).toBe(true);
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});
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it('returns false given a "0x"-prefixed hex string that evaluates to zero', () => {
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expect(isPrefixedFormattedHexString('0x0')).toBe(false);
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});
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it('returns false given a "0x"-prefixed hex string that does not evaluate to zero but is zero-padded', () => {
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expect(isPrefixedFormattedHexString('0x01')).toBe(false);
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});
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it('returns false given a hex number that is simply a string but not "0x"-prefixed', () => {
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expect(isPrefixedFormattedHexString('abc123')).toBe(false);
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});
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it('returns false if given something other than a string', () => {
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expect(isPrefixedFormattedHexString({ something: 'else' })).toBe(false);
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});
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});
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describe('isTokenDetectionEnabledForNetwork', () => {
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it('returns true given the chain ID for Mainnet', () => {
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expect(isTokenDetectionEnabledForNetwork('0x1')).toBe(true);
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});
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it('returns true given the chain ID for BSC', () => {
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expect(isTokenDetectionEnabledForNetwork('0x38')).toBe(true);
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});
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it('returns true given the chain ID for Polygon', () => {
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expect(isTokenDetectionEnabledForNetwork('0x89')).toBe(true);
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});
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it('returns true given the chain ID for Avalanche', () => {
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expect(isTokenDetectionEnabledForNetwork('0xa86a')).toBe(true);
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});
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it('returns false given a string that is not the chain ID for Mainnet, BSC, Polygon, or Avalanche', () => {
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expect(isTokenDetectionEnabledForNetwork('some other chain ID')).toBe(
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false,
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);
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});
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it('returns false given undefined', () => {
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expect(isTokenDetectionEnabledForNetwork(undefined)).toBe(false);
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});
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});
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});
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