91 lines
3.4 KiB
JavaScript
91 lines
3.4 KiB
JavaScript
const { accounts, contract, web3 } = require('@openzeppelin/test-environment');
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const { expectEvent, expectRevert, constants } = require('@openzeppelin/test-helpers');
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const gsn = require('@openzeppelin/gsn-helpers');
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const { fixSignature } = require('../helpers/sign');
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const { utils: { toBN } } = require('web3');
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const { ZERO_ADDRESS } = constants;
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const GSNRecipientSignatureMock = contract.fromArtifact('GSNRecipientSignatureMock');
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describe('GSNRecipientSignature', function () {
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const [ signer, other ] = accounts;
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beforeEach(async function () {
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this.recipient = await GSNRecipientSignatureMock.new(signer);
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});
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context('when called directly', function () {
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it('mock function can be called', async function () {
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const { logs } = await this.recipient.mockFunction();
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expectEvent.inLogs(logs, 'MockFunctionCalled');
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});
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});
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context('when constructor is called with a zero address', function () {
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it('fails when constructor called with a zero address', async function () {
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await expectRevert(
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GSNRecipientSignatureMock.new(
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ZERO_ADDRESS
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),
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'GSNRecipientSignature: trusted signer is the zero address'
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);
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});
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});
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context('when relay-called', function () {
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beforeEach(async function () {
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await gsn.fundRecipient(web3, { recipient: this.recipient.address });
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});
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it('rejects unsigned relay requests', async function () {
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await gsn.expectError(this.recipient.mockFunction({ value: 0, useGSN: true }));
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});
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it('rejects relay requests where some parameters are signed', async function () {
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const approveFunction = async (data) =>
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fixSignature(
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await web3.eth.sign(
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web3.utils.soliditySha3(
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// the nonce is not signed
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// eslint-disable-next-line max-len
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data.relayerAddress, data.from, data.encodedFunctionCall, toBN(data.txFee), toBN(data.gasPrice), toBN(data.gas)
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), signer
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)
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);
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await gsn.expectError(this.recipient.mockFunction({ value: 0, useGSN: true, approveFunction }));
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});
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it('accepts relay requests where all parameters are signed', async function () {
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const approveFunction = async (data) =>
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fixSignature(
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await web3.eth.sign(
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web3.utils.soliditySha3(
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// eslint-disable-next-line max-len
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data.relayerAddress, data.from, data.encodedFunctionCall, toBN(data.txFee), toBN(data.gasPrice), toBN(data.gas), toBN(data.nonce), data.relayHubAddress, data.to
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), signer
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)
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);
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const { tx } = await this.recipient.mockFunction({ value: 0, useGSN: true, approveFunction });
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await expectEvent.inTransaction(tx, GSNRecipientSignatureMock, 'MockFunctionCalled');
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});
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it('rejects relay requests where all parameters are signed by an invalid signer', async function () {
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const approveFunction = async (data) =>
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fixSignature(
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await web3.eth.sign(
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web3.utils.soliditySha3(
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// eslint-disable-next-line max-len
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data.relayerAddress, data.from, data.encodedFunctionCall, toBN(data.txFee), toBN(data.gasPrice), toBN(data.gas), toBN(data.nonce), data.relayHubAddress, data.to
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), other
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)
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);
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await gsn.expectError(this.recipient.mockFunction({ value: 0, useGSN: true, approveFunction }));
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});
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});
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});
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