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https://github.com/kremalicious/metamask-extension.git
synced 2024-12-22 09:23:21 +01:00
adds test and fix for conversion to use numeric (#17758)
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@ -1,8 +1,233 @@
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import { calcGasTotal } from './transactions-controller-utils';
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import { EtherDenomination } from '../constants/common';
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import { CHAIN_IDS } from '../constants/network';
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import { TransactionEnvelopeType } from '../constants/transaction';
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import { Numeric } from '../modules/Numeric';
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import {
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calcGasTotal,
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calcTokenAmount,
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getSwapsTokensReceivedFromTxMeta,
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TOKEN_TRANSFER_LOG_TOPIC_HASH,
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} from './transactions-controller-utils';
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describe('calcGasTotal()', () => {
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it('should correctly compute gasTotal', () => {
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const result = calcGasTotal(12, 15);
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expect(result).toStrictEqual('17a');
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describe('transaction controller utils', () => {
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describe('calcGasTotal()', () => {
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it('should correctly compute gasTotal', () => {
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const result = calcGasTotal(12, 15);
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expect(result).toStrictEqual('17a');
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});
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});
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describe('getSwapsTokensReceivedFromTxMeta', () => {
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it('returns null if txMeta is not well formed', () => {
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expect(getSwapsTokensReceivedFromTxMeta('ETH', {}, '0x00')).toBe(null);
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});
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it('returns null if tokenSymbol is the default for network but txMeta does not contain a receipt', () => {
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expect(
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getSwapsTokensReceivedFromTxMeta(
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'ETH',
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{},
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'0x00',
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'8',
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{},
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CHAIN_IDS.MAINNET,
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),
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).toBe(null);
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});
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it('returns null if tokenSymbol is the default for network but txMeta does not contain a preTxBalance', () => {
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expect(
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getSwapsTokensReceivedFromTxMeta(
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'ETH',
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{ txReceipt: {}, postTxBalance: '0xe' },
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'0x00',
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'8',
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{},
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CHAIN_IDS.MAINNET,
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),
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).toBe(null);
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});
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it('returns null if tokenSymbol is the default for network but txMeta does not contain a postTxBalance', () => {
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expect(
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getSwapsTokensReceivedFromTxMeta(
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'ETH',
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{ txReceipt: {}, preTxBalance: '0xe' },
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'0x00',
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'8',
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{},
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CHAIN_IDS.MAINNET,
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),
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).toBe(null);
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});
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it('returns estimated receiving amount if post and pre tx balances are the same', () => {
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expect(
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getSwapsTokensReceivedFromTxMeta(
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'ETH',
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{
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txReceipt: {},
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preTxBalance: '0xe',
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postTxBalance: '0xe',
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swapMetaData: { token_to_amount: '0x1' },
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},
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'0x00',
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'0x00',
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'8',
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{},
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CHAIN_IDS.MAINNET,
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),
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).toBe('0x1');
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});
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it('returns postTxBalance minus preTxBalance less the cost of gas of the transaction', () => {
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const preTxBalance = new Numeric('5000000', 10, EtherDenomination.WEI);
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const postTxBalance = new Numeric('5500000', 10, EtherDenomination.WEI);
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const gasUsed = new Numeric('28000', 10).toPrefixedHexString();
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const effectiveGasPrice = new Numeric('21', 10).toPrefixedHexString();
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const gasCost = calcGasTotal(gasUsed, effectiveGasPrice);
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const ethReceived = postTxBalance
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.minus(preTxBalance.minus(gasCost, 16))
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.toDenomination(EtherDenomination.ETH)
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.round(6);
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expect(
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getSwapsTokensReceivedFromTxMeta(
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'ETH',
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{
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txReceipt: {
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gasUsed,
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effectiveGasPrice,
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type: TransactionEnvelopeType.feeMarket,
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},
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preTxBalance: preTxBalance.toPrefixedHexString(),
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postTxBalance: postTxBalance.toPrefixedHexString(),
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swapMetaData: { token_to_amount: '0x1' },
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},
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'0x00',
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'0x00',
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'8',
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{},
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CHAIN_IDS.MAINNET,
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),
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).toBe(ethReceived.toString());
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});
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it('returns postTxBalance minus preTxBalance less the cost of gas of the transaction and the approval tx', () => {
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const preTxBalance = new Numeric('5000000', 10, EtherDenomination.WEI);
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const postTxBalance = new Numeric('5500000', 10, EtherDenomination.WEI);
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const gasUsed = new Numeric('28000', 10).toPrefixedHexString();
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const gasUsedApproval = new Numeric('75000', 10).toPrefixedHexString();
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const effectiveGasPrice = new Numeric('21', 10).toPrefixedHexString();
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const effectiveGasPriceApproval = new Numeric(
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'15',
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10,
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).toPrefixedHexString();
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const gasCost = new Numeric(
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calcGasTotal(gasUsed, effectiveGasPrice),
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16,
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).add(calcGasTotal(gasUsedApproval, effectiveGasPriceApproval), 16);
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const ethReceived = postTxBalance
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.minus(preTxBalance.minus(gasCost))
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.toDenomination(EtherDenomination.ETH)
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.round(6);
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expect(
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getSwapsTokensReceivedFromTxMeta(
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'ETH',
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{
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txReceipt: {
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gasUsed,
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effectiveGasPrice,
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type: TransactionEnvelopeType.feeMarket,
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},
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preTxBalance: preTxBalance.toPrefixedHexString(),
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postTxBalance: postTxBalance.toPrefixedHexString(),
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swapMetaData: { token_to_amount: '0x1' },
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},
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'0x00',
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'0x00',
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'8',
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{
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txReceipt: {
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gasUsed: gasUsedApproval,
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effectiveGasPrice: effectiveGasPriceApproval,
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type: TransactionEnvelopeType.feeMarket,
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},
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},
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CHAIN_IDS.MAINNET,
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),
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).toBe(ethReceived.toString());
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});
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it('returns postTxBalance minus preTxBalance less the cost of gas of the transaction and the approval tx for legacy txs', () => {
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const preTxBalance = new Numeric('5000000', 10, EtherDenomination.WEI);
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const postTxBalance = new Numeric('5500000', 10, EtherDenomination.WEI);
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const gasUsed = new Numeric('28000', 10).toPrefixedHexString();
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const gasUsedApproval = new Numeric('75000', 10).toPrefixedHexString();
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const gasPrice = new Numeric('21', 10).toPrefixedHexString();
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const gasPriceApproval = new Numeric('15', 10).toPrefixedHexString();
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const gasCost = new Numeric(calcGasTotal(gasUsed, gasPrice), 16).add(
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calcGasTotal(gasUsedApproval, gasPriceApproval),
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16,
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);
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const ethReceived = postTxBalance
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.minus(preTxBalance.minus(gasCost))
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.toDenomination(EtherDenomination.ETH)
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.round(6);
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expect(
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getSwapsTokensReceivedFromTxMeta(
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'ETH',
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{
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txReceipt: {
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gasUsed,
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type: TransactionEnvelopeType.legacy,
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},
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txParams: {
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gasPrice,
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},
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preTxBalance: preTxBalance.toPrefixedHexString(),
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postTxBalance: postTxBalance.toPrefixedHexString(),
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swapMetaData: { token_to_amount: '0x1' },
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},
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'0x00',
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'0x00',
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'8',
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{
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txReceipt: {
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gasUsed: gasUsedApproval,
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type: TransactionEnvelopeType.feeMarket,
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},
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txParams: {
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gasPrice: gasPriceApproval,
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},
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},
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CHAIN_IDS.MAINNET,
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),
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).toBe(ethReceived.toString());
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});
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it('returns value from tokenTransferLogs if not default token for network', () => {
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const logs = [
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{
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topics: [TOKEN_TRANSFER_LOG_TOPIC_HASH, '', '0x00'],
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address: '0x00',
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data: new Numeric('10000', 10).toPrefixedHexString(),
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},
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];
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expect(
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getSwapsTokensReceivedFromTxMeta(
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'USDC',
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{
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txReceipt: { logs, status: '0x1' },
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},
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'0x00',
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'0x00',
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'8',
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{
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txReceipt: {},
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},
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CHAIN_IDS.MAINNET,
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),
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).toBe(calcTokenAmount(logs[0].data, 8).toString(10), 6);
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});
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});
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});
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@ -4,7 +4,7 @@ import { TransactionEnvelopeType } from '../constants/transaction';
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import { Numeric } from '../modules/Numeric';
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import { isSwapsDefaultTokenSymbol } from '../modules/swaps.utils';
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const TOKEN_TRANSFER_LOG_TOPIC_HASH =
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export const TOKEN_TRANSFER_LOG_TOPIC_HASH =
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'0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef';
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export const TRANSACTION_NO_CONTRACT_ERROR_KEY = 'transactionErrorNoContract';
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@ -82,7 +82,7 @@ export function getSwapsTokensReceivedFromTxMeta(
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? txReceipt.effectiveGasPrice
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: txMeta.txParams.gasPrice,
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);
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const totalGasCost = new Numeric(gasCost, 16).plus(approvalTxGasCost);
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const totalGasCost = new Numeric(gasCost, 16).add(approvalTxGasCost);
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const preTxBalanceLessGasCost = new Numeric(txMeta.preTxBalance, 16).minus(
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totalGasCost,
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@ -93,7 +93,7 @@ export function getSwapsTokensReceivedFromTxMeta(
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16,
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EtherDenomination.WEI,
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)
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.subtract(preTxBalanceLessGasCost)
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.minus(preTxBalanceLessGasCost)
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.toDenomination(EtherDenomination.ETH)
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.toBase(10)
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.round(6);
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