path: root/packages/utils/test/abi_encoder/return_values_test.ts

import * as chai from 'chai';
import 'mocha';

import { AbiEncoder } from '../../src/';
import { chaiSetup } from '../utils/chai_setup';

import * as ReturnValueAbis from './abi_samples/return_value_abis';

chaiSetup.configure();
const expect = chai.expect;

describe('ABI Encoder: Return Value Encoding/Decoding', () => {
    it('No Return Value', async () => {
        // Decode return value
        const method = new AbiEncoder.Method(ReturnValueAbis.noReturnValues);
        const returnValue = '0x';
        const decodedReturnValue = method.decodeReturnValues(returnValue);
        const expectedDecodedReturnValue: any[] = [];
        const decodedReturnValueJson = JSON.stringify(decodedReturnValue);
        const expectedDecodedReturnValueJson = JSON.stringify(expectedDecodedReturnValue);
        expect(decodedReturnValueJson).to.be.equal(expectedDecodedReturnValueJson);
    });
    it('Single static return value', async () => {
        // Generate Return Value
        const method = new AbiEncoder.Method(ReturnValueAbis.singleStaticReturnValue);
        const returnValue = ['0x01020304'];
        const encodedReturnValue = method.encodeReturnValues(returnValue);
        const decodedReturnValue = method.decodeReturnValues(encodedReturnValue);
        // Validate decoded return value
        const decodedReturnValueJson = JSON.stringify(decodedReturnValue);
        const expectedDecodedReturnValueJson = JSON.stringify(returnValue);
        expect(decodedReturnValueJson).to.be.equal(expectedDecodedReturnValueJson);
    });
    it('Multiple static return values', async () => {
        // Generate Return Value
        const method = new AbiEncoder.Method(ReturnValueAbis.multipleStaticReturnValues);
        const returnValue = ['0x01020304', '0x05060708'];
        const encodedReturnValue = method.encodeReturnValues(returnValue);
        const decodedReturnValue = method.decodeReturnValues(encodedReturnValue);
        // Validate decoded return value
        const decodedReturnValueJson = JSON.stringify(decodedReturnValue);
        const expectedDecodedReturnValueJson = JSON.stringify(returnValue);
        expect(decodedReturnValueJson).to.be.equal(expectedDecodedReturnValueJson);
    });
    it('Single dynamic return value', async () => {
        // Generate Return Value
        const method = new AbiEncoder.Method(ReturnValueAbis.singleDynamicReturnValue);
        const returnValue = ['0x01020304'];
        const encodedReturnValue = method.encodeReturnValues(returnValue);
        const decodedReturnValue = method.decodeReturnValues(encodedReturnValue);
        // Validate decoded return value
        const decodedReturnValueJson = JSON.stringify(decodedReturnValue);
        const expectedDecodedReturnValueJson = JSON.stringify(returnValue);
        expect(decodedReturnValueJson).to.be.equal(expectedDecodedReturnValueJson);
    });
    it('Multiple dynamic return values', async () => {
        // Generate Return Value
        const method = new AbiEncoder.Method(ReturnValueAbis.multipleDynamicReturnValues);
        const returnValue = ['0x01020304', '0x05060708'];
        const encodedReturnValue = method.encodeReturnValues(returnValue);
        const decodedReturnValue = method.decodeReturnValues(encodedReturnValue);
        // Validate decoded return value
        const decodedReturnValueJson = JSON.stringify(decodedReturnValue);
        const expectedDecodedReturnValueJson = JSON.stringify(returnValue);
        expect(decodedReturnValueJson).to.be.equal(expectedDecodedReturnValueJson);
    });
    it('Mixed static/dynamic return values', async () => {
        // Generate Return Value
        const method = new AbiEncoder.Method(ReturnValueAbis.mixedStaticAndDynamicReturnValues);
        const returnValue = ['0x01020304', '0x05060708'];
        const encodedReturnValue = method.encodeReturnValues(returnValue);
        const decodedReturnValue = method.decodeReturnValues(encodedReturnValue);
        // Validate decoded return value
        const decodedReturnValueJson = JSON.stringify(decodedReturnValue);
        const expectedDecodedReturnValueJson = JSON.stringify(returnValue);
        expect(decodedReturnValueJson).to.be.equal(expectedDecodedReturnValueJson);
    });
});