mirror of
https://github.com/kremalicious/metamask-extension.git
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132 lines
5.1 KiB
JavaScript
132 lines
5.1 KiB
JavaScript
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const { addHexPrefix } = require('ethereumjs-util');
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const { conversionUtil } = require('./conversion.utils');
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const {
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getMaximumGasTotalInHexWei,
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getMinimumGasTotalInHexWei,
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} = require('./gas.utils');
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const feesToTest = [10, 24, 90];
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const tipsToTest = [2, 10, 50];
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const baseFeesToTest = [8, 12, 24];
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const gasLimitsToTest = [21000, 100000];
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describe('gas utils', () => {
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describe('when using EIP 1559 fields', () => {
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describe('getMaximumGasTotalInHexWei', () => {
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feesToTest.forEach((maxFeePerGas) => {
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describe(`when maxFeePerGas is ${maxFeePerGas}`, () => {
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gasLimitsToTest.forEach((gasLimit) => {
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const expectedResult = (gasLimit * maxFeePerGas).toString();
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const gasLimitHex = addHexPrefix(gasLimit.toString(16));
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const result = conversionUtil(
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getMaximumGasTotalInHexWei({
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gasLimit: gasLimitHex,
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maxFeePerGas: addHexPrefix(maxFeePerGas.toString(16)),
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}),
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{ fromNumericBase: 'hex', toNumericBase: 'dec' },
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);
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it(`returns ${expectedResult} when provided gasLimit: ${gasLimit}`, () => {
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expect(result).toStrictEqual(expectedResult);
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});
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});
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});
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});
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});
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describe('getMinimumGasTotalInHexWei', () => {
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feesToTest.forEach((maxFeePerGas) => {
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tipsToTest.forEach((maxPriorityFeePerGas) => {
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baseFeesToTest.forEach((baseFeePerGas) => {
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describe(`when baseFee is ${baseFeePerGas}, maxFeePerGas is ${maxFeePerGas} and tip is ${maxPriorityFeePerGas}`, () => {
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const maximum = maxFeePerGas;
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const minimum = baseFeePerGas + maxPriorityFeePerGas;
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const expectedEffectiveGasPrice =
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minimum < maximum ? minimum : maximum;
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const results = gasLimitsToTest.map((gasLimit) => {
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const gasLimitHex = addHexPrefix(gasLimit.toString(16));
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const result = conversionUtil(
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getMinimumGasTotalInHexWei({
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gasLimit: gasLimitHex,
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maxFeePerGas: addHexPrefix(maxFeePerGas.toString(16)),
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maxPriorityFeePerGas: addHexPrefix(
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maxPriorityFeePerGas.toString(16),
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),
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baseFeePerGas: addHexPrefix(baseFeePerGas.toString(16)),
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}),
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{ fromNumericBase: 'hex', toNumericBase: 'dec' },
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);
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return { result, gasLimit };
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});
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it(`should use an effective gasPrice of ${expectedEffectiveGasPrice}`, () => {
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expect(
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results.every(({ result, gasLimit }) => {
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const effectiveGasPrice = Number(result) / gasLimit;
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return effectiveGasPrice === expectedEffectiveGasPrice;
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}),
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).toBe(true);
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});
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results.forEach(({ result, gasLimit }) => {
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const expectedResult = (
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expectedEffectiveGasPrice * gasLimit
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).toString();
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it(`returns ${expectedResult} when provided gasLimit: ${gasLimit}`, () => {
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expect(result).toStrictEqual(expectedResult);
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});
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});
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});
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});
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});
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});
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});
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});
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describe('when using legacy fields', () => {
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describe('getMaximumGasTotalInHexWei', () => {
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feesToTest.forEach((gasPrice) => {
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describe(`when gasPrice is ${gasPrice}`, () => {
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gasLimitsToTest.forEach((gasLimit) => {
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const expectedResult = (gasLimit * gasPrice).toString();
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const gasLimitHex = addHexPrefix(gasLimit.toString(16));
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it(`returns ${expectedResult} when provided gasLimit of ${gasLimit}`, () => {
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expect(
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conversionUtil(
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getMaximumGasTotalInHexWei({
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gasLimit: gasLimitHex,
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gasPrice: addHexPrefix(gasPrice.toString(16)),
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}),
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{ fromNumericBase: 'hex', toNumericBase: 'dec' },
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),
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).toStrictEqual(expectedResult);
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});
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});
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});
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});
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});
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describe('getMinimumGasTotalInHexWei', () => {
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feesToTest.forEach((gasPrice) => {
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describe(`when gasPrice is ${gasPrice}`, () => {
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gasLimitsToTest.forEach((gasLimit) => {
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const expectedResult = (gasLimit * gasPrice).toString();
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const gasLimitHex = addHexPrefix(gasLimit.toString(16));
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it(`returns ${expectedResult} when provided gasLimit of ${gasLimit}`, () => {
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expect(
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conversionUtil(
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getMinimumGasTotalInHexWei({
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gasLimit: gasLimitHex,
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gasPrice: addHexPrefix(gasPrice.toString(16)),
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}),
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{
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fromNumericBase: 'hex',
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toNumericBase: 'dec',
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},
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),
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).toStrictEqual(expectedResult);
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});
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});
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});
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});
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});
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});
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});
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