Made function assertions work with the new wrappers

This commit is contained in:
Alex Towle
2019-11-22 14:14:45 -06:00
committed by Michael Zhu
parent 8685cf9036
commit 1e44a9c942
12 changed files with 298 additions and 89 deletions

View File

@@ -1,11 +1,16 @@
import { ContractFunctionObj, ContractTxFunctionObj } from '@0x/base-contract';
import { TransactionReceiptWithDecodedLogs } from 'ethereum-types';
import { TransactionReceiptWithDecodedLogs, TxData } from 'ethereum-types';
import * as _ from 'lodash';
// tslint:disable:max-classes-per-file
export type GenericContractFunction<T> = (...args: any[]) => ContractFunctionObj<T>;
export interface FunctionArguments<TArgs extends any[]> {
args: TArgs;
txData: Partial<TxData>;
}
export interface FunctionResult {
data?: any;
success: boolean;
@@ -22,9 +27,9 @@ export interface FunctionResult {
* @param after A function that will be run after a call to the contract wrapper
* function.
*/
export interface Condition<TBefore> {
before: (...args: any[]) => Promise<TBefore>;
after: (beforeInfo: TBefore, result: FunctionResult, ...args: any[]) => Promise<any>;
export interface Condition<TArgs extends any[], TBefore> {
before: (args: FunctionArguments<TArgs>) => Promise<TBefore>;
after: (beforeInfo: TBefore, result: FunctionResult, args: FunctionArguments<TArgs>) => Promise<any>;
}
/**
@@ -34,8 +39,8 @@ export interface Condition<TBefore> {
* our `Assertion` implementations will do in practice).
* @param runAsync The function to execute for the assertion.
*/
export interface Assertion {
executeAsync: (...args: any[]) => Promise<any>;
export interface Assertion<TArgs extends any[]> {
executeAsync: (args: FunctionArguments<TArgs>) => Promise<any>;
}
export interface AssertionResult<TBefore = unknown> {
@@ -47,9 +52,9 @@ export interface AssertionResult<TBefore = unknown> {
* This class implements `Assertion` and represents a "Hoare Triple" that can be
* executed.
*/
export class FunctionAssertion<TBefore, ReturnDataType> implements Assertion {
export class FunctionAssertion<TArgs extends any[], TBefore, ReturnDataType> implements Assertion<TArgs> {
// A condition that will be applied to `wrapperFunction`.
public condition: Condition<TBefore>;
public condition: Condition<TArgs, TBefore>;
// The wrapper function that will be wrapped in assertions.
public wrapperFunction: (
@@ -60,11 +65,15 @@ export class FunctionAssertion<TBefore, ReturnDataType> implements Assertion {
wrapperFunction: (
...args: any[] // tslint:disable-line:trailing-comma
) => ContractTxFunctionObj<ReturnDataType> | ContractFunctionObj<ReturnDataType>,
condition: Partial<Condition<TBefore>> = {},
condition: Partial<Condition<TArgs, TBefore>> = {},
) {
this.condition = {
before: _.noop.bind(this),
after: _.noop.bind(this),
before: async (args: FunctionArguments<TArgs>) => {
return ({} as any) as TBefore;
},
after: async (beforeInfo: TBefore, result: FunctionResult, args: FunctionArguments<TArgs>) => {
return ({} as any) as TBefore;
},
...condition,
};
this.wrapperFunction = wrapperFunction;
@@ -74,9 +83,9 @@ export class FunctionAssertion<TBefore, ReturnDataType> implements Assertion {
* Runs the wrapped function and fails if the before or after assertions fail.
* @param ...args The args to the contract wrapper function.
*/
public async executeAsync(...args: any[]): Promise<AssertionResult<TBefore>> {
public async executeAsync(args: FunctionArguments<TArgs>): Promise<AssertionResult<TBefore>> {
// Call the before condition.
const beforeInfo = await this.condition.before(...args);
const beforeInfo = await this.condition.before(args);
// Initialize the callResult so that the default success value is true.
const callResult: FunctionResult = { success: true };
@@ -84,21 +93,27 @@ export class FunctionAssertion<TBefore, ReturnDataType> implements Assertion {
// Try to make the call to the function. If it is successful, pass the
// result and receipt to the after condition.
try {
const functionWithArgs = this.wrapperFunction(...args) as ContractTxFunctionObj<ReturnDataType>;
callResult.data = await functionWithArgs.callAsync();
const functionWithArgs = this.wrapperFunction(...args.args) as ContractTxFunctionObj<ReturnDataType>;
callResult.data = await functionWithArgs.callAsync(args.txData);
console.log(functionWithArgs);
callResult.receipt =
functionWithArgs.awaitTransactionSuccessAsync !== undefined
? await functionWithArgs.awaitTransactionSuccessAsync() // tslint:disable-line:await-promise
? await functionWithArgs.awaitTransactionSuccessAsync(args.txData) // tslint:disable-line:await-promise
: undefined;
// tslint:enable:await-promise
} catch (error) {
console.log('got here');
console.log(error);
callResult.data = error;
callResult.success = false;
callResult.receipt = undefined;
}
// Call the after condition.
const afterInfo = await this.condition.after(beforeInfo, callResult, ...args);
const afterInfo = await this.condition.after(beforeInfo, callResult, args);
return {
beforeInfo,