mirror of
https://github.com/kremalicious/metamask-extension.git
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6602e4a013
* Ensure smart contract interactions are properly represented on the confirm screen * Fix unit tests * Code cleanup * Cleanup * Code cleanup * Fix test
231 lines
6.6 KiB
JavaScript
231 lines
6.6 KiB
JavaScript
import { MethodRegistry } from 'eth-method-registry';
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import log from 'loglevel';
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import { addHexPrefix } from '../../../app/scripts/lib/util';
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import {
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TRANSACTION_TYPES,
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TRANSACTION_GROUP_STATUSES,
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TRANSACTION_STATUSES,
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TRANSACTION_ENVELOPE_TYPES,
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} from '../../../shared/constants/transaction';
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import { addCurrencies } from '../../../shared/modules/conversion.utils';
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import { readAddressAsContract } from '../../../shared/modules/contract-utils';
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import fetchWithCache from './fetch-with-cache';
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/**
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* @typedef EthersContractCall
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* @type object
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* @property {any[]} args - The args/params to the function call.
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* An array-like object with numerical and string indices.
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* @property {string} name - The name of the function.
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* @property {string} signature - The function signature.
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* @property {string} sighash - The function signature hash.
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* @property {EthersBigNumber} value - The ETH value associated with the call.
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* @property {FunctionFragment} functionFragment - The Ethers function fragment
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* representation of the function.
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*/
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async function getMethodFrom4Byte(fourBytePrefix) {
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const fourByteResponse = await fetchWithCache(
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`https://www.4byte.directory/api/v1/signatures/?hex_signature=${fourBytePrefix}`,
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{
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referrerPolicy: 'no-referrer-when-downgrade',
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body: null,
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method: 'GET',
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mode: 'cors',
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},
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);
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fourByteResponse.results.sort((a, b) => {
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return new Date(a.created_at).getTime() < new Date(b.created_at).getTime()
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? -1
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: 1;
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});
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return fourByteResponse.results[0].text_signature;
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}
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let registry;
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/**
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* Attempts to return the method data from the MethodRegistry library, the message registry library and the token abi, in that order of preference
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*
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* @param {string} fourBytePrefix - The prefix from the method code associated with the data
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* @returns {object}
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*/
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export async function getMethodDataAsync(fourBytePrefix) {
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try {
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const fourByteSig = await getMethodFrom4Byte(fourBytePrefix).catch((e) => {
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log.error(e);
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return null;
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});
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if (!registry) {
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registry = new MethodRegistry({ provider: global.ethereumProvider });
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}
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if (!fourByteSig) {
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return {};
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}
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const parsedResult = registry.parse(fourByteSig);
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return {
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name: parsedResult.name,
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params: parsedResult.args,
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};
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} catch (error) {
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log.error(error);
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return {};
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}
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}
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/**
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* Returns four-byte method signature from data
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*
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* @param {string} data - The hex data (@code txParams.data) of a transaction
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* @returns {string} The four-byte method signature
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*/
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export function getFourBytePrefix(data = '') {
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const prefixedData = addHexPrefix(data);
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const fourBytePrefix = prefixedData.slice(0, 10);
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return fourBytePrefix;
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}
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/**
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* Given an transaction category, returns a boolean which indicates whether the transaction is calling an erc20 token method
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*
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* @param {TRANSACTION_TYPES[keyof TRANSACTION_TYPES]} type - The type of transaction being evaluated
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* @returns {boolean} whether the transaction is calling an erc20 token method
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*/
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export function isTokenMethodAction(type) {
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return [
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TRANSACTION_TYPES.TOKEN_METHOD_TRANSFER,
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TRANSACTION_TYPES.TOKEN_METHOD_APPROVE,
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TRANSACTION_TYPES.TOKEN_METHOD_SET_APPROVAL_FOR_ALL,
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TRANSACTION_TYPES.TOKEN_METHOD_TRANSFER_FROM,
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TRANSACTION_TYPES.TOKEN_METHOD_SAFE_TRANSFER_FROM,
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].includes(type);
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}
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export function getLatestSubmittedTxWithNonce(
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transactions = [],
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nonce = '0x0',
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) {
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if (!transactions.length) {
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return {};
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}
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return transactions.reduce((acc, current) => {
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const { submittedTime, txParams: { nonce: currentNonce } = {} } = current;
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if (currentNonce === nonce) {
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if (!acc.submittedTime) {
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return current;
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}
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return submittedTime > acc.submittedTime ? current : acc;
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}
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return acc;
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}, {});
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}
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export async function isSmartContractAddress(address) {
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const { isContractAddress } = await readAddressAsContract(
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global.eth,
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address,
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);
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return isContractAddress;
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}
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export function sumHexes(...args) {
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const total = args.reduce((acc, hexAmount) => {
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return addCurrencies(acc, hexAmount, {
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toNumericBase: 'hex',
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aBase: 16,
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bBase: 16,
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});
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});
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return addHexPrefix(total);
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}
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export function isLegacyTransaction(txParams) {
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return txParams?.type === TRANSACTION_ENVELOPE_TYPES.LEGACY;
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}
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/**
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* Returns a status key for a transaction. Requires parsing the txMeta.txReceipt on top of
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* txMeta.status because txMeta.status does not reflect on-chain errors.
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*
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* @param {object} transaction - The txMeta object of a transaction.
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* @param {object} transaction.txReceipt - The transaction receipt.
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* @returns {string}
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*/
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export function getStatusKey(transaction) {
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const {
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txReceipt: { status: receiptStatus } = {},
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type,
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status,
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} = transaction;
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// There was an on-chain failure
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if (receiptStatus === '0x0') {
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return TRANSACTION_STATUSES.FAILED;
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}
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if (
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status === TRANSACTION_STATUSES.CONFIRMED &&
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type === TRANSACTION_TYPES.CANCEL
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) {
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return TRANSACTION_GROUP_STATUSES.CANCELLED;
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}
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return transaction.status;
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}
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/**
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* Returns a title for the given transaction category.
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*
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* This will throw an error if the transaction category is unrecognized and no default is provided.
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*
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* @param {Function} t - The translation function
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* @param {TRANSACTION_TYPES[keyof TRANSACTION_TYPES]} type - The transaction type constant
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* @param {string} nativeCurrency - The native currency of the currently selected network
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* @returns {string} The transaction category title
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*/
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export function getTransactionTypeTitle(t, type, nativeCurrency = 'ETH') {
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switch (type) {
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case TRANSACTION_TYPES.TOKEN_METHOD_TRANSFER: {
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return t('transfer');
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}
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case TRANSACTION_TYPES.TOKEN_METHOD_TRANSFER_FROM: {
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return t('transferFrom');
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}
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case TRANSACTION_TYPES.TOKEN_METHOD_SAFE_TRANSFER_FROM: {
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return t('safeTransferFrom');
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}
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case TRANSACTION_TYPES.TOKEN_METHOD_APPROVE: {
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return t('approve');
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}
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case TRANSACTION_TYPES.TOKEN_METHOD_SET_APPROVAL_FOR_ALL: {
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return t('setApprovalForAll');
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}
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case TRANSACTION_TYPES.SIMPLE_SEND: {
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return t('sendingNativeAsset', [nativeCurrency]);
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}
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case TRANSACTION_TYPES.CONTRACT_INTERACTION: {
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return t('contractInteraction');
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}
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case TRANSACTION_TYPES.DEPLOY_CONTRACT: {
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return t('contractDeployment');
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}
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case TRANSACTION_TYPES.SWAP: {
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return t('swap');
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}
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case TRANSACTION_TYPES.SWAP_APPROVAL: {
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return t('swapApproval');
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}
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default: {
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throw new Error(`Unrecognized transaction type: ${type}`);
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}
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}
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}
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