@reown/appkit-controllers/dist/esm/tests/utils/EnsUtil.test.js

The full stack toolkit to build onchain app UX.

import { describe, expect, it } from 'vitest';
import { EnsUtil } from '../../src/utils/EnsUtil';
describe('EnsUtil', () => {
    describe('convertEVMChainIdToCoinType', () => {
        it('should correctly convert valid EVM chain IDs to coin types', () => {
            expect(EnsUtil.convertEVMChainIdToCoinType(1)).toBe(0x80000001);
            expect(EnsUtil.convertEVMChainIdToCoinType(5)).toBe(0x80000005);
            expect(EnsUtil.convertEVMChainIdToCoinType(137)).toBe(0x80000089);
        });
        it('should handle the maximum valid chain ID', () => {
            const maxValidChainId = 0x7fffffff; // 2147483647
            expect(EnsUtil.convertEVMChainIdToCoinType(maxValidChainId)).toBe(0xffffffff);
        });
        it('should throw an error for chain IDs that are too large', () => {
            const tooLargeChainId = 0x80000000; // 2147483648
            expect(() => EnsUtil.convertEVMChainIdToCoinType(tooLargeChainId)).toThrow('Invalid chainId');
        });
        it('should handle chain ID 0', () => {
            expect(EnsUtil.convertEVMChainIdToCoinType(0)).toBe(0x80000000);
        });
    });
});
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