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Tests for decoding return values + Ability to encode return values

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This commit is contained in:
Greg Hysen
2018-11-19 18:42:40 -08:00
parent 6daa79ec12
commit b0ebc6fa14
2 changed files with 79 additions and 9 deletions
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69
packages/utils/test/abi_encoder_test.ts
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@@ -5,6 +5,7 @@ import { chaiSetup } from './utils/chai_setup';
import { BigNumber, AbiEncoder } from '../src/';
import * as AbiSamples from './abi_samples';
import * as OptimizedAbis from './optimizer_abis';
import * as ReturnValueAbis from './return_value_abis';
import { DecodingRules } from '../src/abi_encoder';
import ethUtil = require('ethereumjs-util');
@@ -12,6 +13,74 @@ chaiSetup.configure();
const expect = chai.expect;
describe.only('ABI Encoder', () => {
describe('Decode Return Values', () => {
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);
});
});
describe('Optimizer', () => {
it('Duplicate Dynamic Arrays with Static Elements', async () => {
// Generate calldata