90 lines
4.4 KiB
TypeScript
90 lines
4.4 KiB
TypeScript
import { artifacts as assetProxyArtifacts, StaticCallProxyContract } from '@0x/contracts-asset-proxy';
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import { blockchainTests, constants, expect, getRandomInteger, randomAddress } from '@0x/contracts-test-utils';
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import {
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decodeMaxGasPriceStaticCallData,
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encodeMaxGasPriceStaticCallData,
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TWENTY_GWEI,
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} from '../src/max_gas_price_utils';
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import { artifacts } from './artifacts';
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import { MaximumGasPriceContract } from './wrappers';
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blockchainTests.resets('MaximumGasPrice unit tests', env => {
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let maxGasPriceContract: MaximumGasPriceContract;
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let staticCallProxy: StaticCallProxyContract;
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let defaultMaxAssetData: string;
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before(async () => {
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maxGasPriceContract = await MaximumGasPriceContract.deployFrom0xArtifactAsync(
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artifacts.MaximumGasPrice,
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env.provider,
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env.txDefaults,
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artifacts,
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);
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staticCallProxy = await StaticCallProxyContract.deployFrom0xArtifactAsync(
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assetProxyArtifacts.StaticCallProxy,
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env.provider,
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env.txDefaults,
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assetProxyArtifacts,
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);
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defaultMaxAssetData = encodeMaxGasPriceStaticCallData(maxGasPriceContract.address);
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});
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describe('Data encoding/decoding tools', () => {
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it('correctly decodes default maximum gas price', async () => {
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const decoded = decodeMaxGasPriceStaticCallData(defaultMaxAssetData);
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expect(decoded).to.bignumber.equal(TWENTY_GWEI);
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});
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it('correctly decodes custom maximum gas price', async () => {
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const customMaxGasPrice = getRandomInteger(0, constants.MAX_UINT256);
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const customMaxAssetData = encodeMaxGasPriceStaticCallData(maxGasPriceContract.address, customMaxGasPrice);
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const decoded = decodeMaxGasPriceStaticCallData(customMaxAssetData);
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expect(decoded).to.bignumber.equal(customMaxGasPrice);
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});
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});
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describe('Contract functionality', () => {
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it('does not revert if tx.gasprice < default maximum', async () => {
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await staticCallProxy
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.transferFrom(defaultMaxAssetData, randomAddress(), randomAddress(), constants.ZERO_AMOUNT)
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.callAsync({ gasPrice: TWENTY_GWEI.minus(1) });
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});
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it('does not revert if tx.gasprice = default maximum', async () => {
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await staticCallProxy
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.transferFrom(defaultMaxAssetData, randomAddress(), randomAddress(), constants.ZERO_AMOUNT)
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.callAsync({ gasPrice: TWENTY_GWEI });
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});
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it('reverts if tx.gasPrice > default maximum', async () => {
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const tx = staticCallProxy
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.transferFrom(defaultMaxAssetData, randomAddress(), randomAddress(), constants.ZERO_AMOUNT)
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.callAsync({ gasPrice: TWENTY_GWEI.plus(1) });
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return expect(tx).to.revertWith('MaximumGasPrice/GAS_PRICE_EXCEEDS_20_GWEI');
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});
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it('does not revert if tx.gasprice < custom maximum', async () => {
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const maxGasPrice = getRandomInteger(0, TWENTY_GWEI.times(2));
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const customMaxAssetData = encodeMaxGasPriceStaticCallData(maxGasPriceContract.address, maxGasPrice);
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await staticCallProxy
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.transferFrom(customMaxAssetData, randomAddress(), randomAddress(), constants.ZERO_AMOUNT)
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.callAsync({ gasPrice: maxGasPrice.minus(1) });
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});
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it('does not revert if tx.gasprice = custom maximum', async () => {
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const maxGasPrice = getRandomInteger(0, TWENTY_GWEI.times(2));
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const customMaxAssetData = encodeMaxGasPriceStaticCallData(maxGasPriceContract.address, maxGasPrice);
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await staticCallProxy
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.transferFrom(customMaxAssetData, randomAddress(), randomAddress(), constants.ZERO_AMOUNT)
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.callAsync({ gasPrice: maxGasPrice });
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});
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it('reverts if tx.gasPrice > custom maximum', async () => {
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const maxGasPrice = getRandomInteger(0, TWENTY_GWEI.times(2));
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const customMaxAssetData = encodeMaxGasPriceStaticCallData(maxGasPriceContract.address, maxGasPrice);
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const tx = staticCallProxy
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.transferFrom(customMaxAssetData, randomAddress(), randomAddress(), constants.ZERO_AMOUNT)
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.callAsync({ gasPrice: maxGasPrice.plus(1) });
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return expect(tx).to.revertWith('MaximumGasPrice/GAS_PRICE_EXCEEDS_MAXIMUM');
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});
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});
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});
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