@ledgerhq/coin-multiversx/lib/prepareTransaction.js

Ledger MultiversX Coin integration

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.prepareTransaction = void 0;
const bignumber_js_1 = require("bignumber.js");
const api_1 = require("./api");
const constants_1 = require("./constants");
const encode_1 = require("./encode");
const logic_1 = require("./logic");
/**
 * Prepare t before checking status
 *
 * @param {MultiversXAccount} account
 * @param {Transaction} transaction
 */
const prepareTransaction = async (account, transaction) => {
    // What's the point of this extra variable ?
    const preparedTx = transaction;
    const tokenAccount = (transaction.subAccountId &&
        account.subAccounts &&
        account.subAccounts.find(ta => ta.id === transaction.subAccountId)) ||
        null;
    if (tokenAccount) {
        preparedTx.data = await encode_1.MultiversXEncodeTransaction.ESDTTransfer(transaction, tokenAccount);
        preparedTx.gasLimit = constants_1.GAS.ESDT_TRANSFER;
    }
    else {
        switch (transaction.mode) {
            case "delegate":
                preparedTx.gasLimit = constants_1.GAS.DELEGATE;
                preparedTx.data = encode_1.MultiversXEncodeTransaction.delegate();
                break;
            case "claimRewards":
                preparedTx.gasLimit = constants_1.GAS.CLAIM;
                preparedTx.data = encode_1.MultiversXEncodeTransaction.claimRewards();
                break;
            case "withdraw":
                preparedTx.gasLimit = constants_1.GAS.DELEGATE;
                preparedTx.data = encode_1.MultiversXEncodeTransaction.withdraw();
                break;
            case "reDelegateRewards":
                preparedTx.gasLimit = constants_1.GAS.DELEGATE;
                preparedTx.data = encode_1.MultiversXEncodeTransaction.reDelegateRewards();
                break;
            case "unDelegate":
                preparedTx.gasLimit = constants_1.GAS.DELEGATE;
                preparedTx.data = encode_1.MultiversXEncodeTransaction.unDelegate(transaction);
                break;
            case "send":
                break;
            default:
                throw new Error("Unsupported transaction mode: " + transaction.mode);
        }
    }
    if (transaction.useAllAmount) {
        // Set the max amount
        preparedTx.amount = tokenAccount ? tokenAccount.balance : account.spendableBalance;
        // Compute estimated fees for that amount
        preparedTx.fees = await (0, api_1.getFees)(preparedTx);
        // Adjust max amount according to computed fees
        if (!tokenAccount && (0, logic_1.isAmountSpentFromBalance)(transaction.mode)) {
            preparedTx.amount = preparedTx.amount.gt(preparedTx.fees)
                ? preparedTx.amount.minus(preparedTx.fees)
                : new bignumber_js_1.BigNumber(0);
        }
    }
    else {
        preparedTx.fees = await (0, api_1.getFees)(preparedTx);
    }
    return preparedTx;
};
exports.prepareTransaction = prepareTransaction;
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