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

Ledger MultiversX Coin integration

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.estimateMaxSpendable = void 0;
const bignumber_js_1 = require("bignumber.js");
const account_1 = require("@ledgerhq/coin-framework/account");
const api_1 = require("./api");
const createTransaction_1 = require("./createTransaction");
/**
 * Returns the maximum possible amount for transaction
 *
 * @param {Object} param - the account, parentAccount and transaction
 */
const estimateMaxSpendable = async ({ account, parentAccount, transaction, }) => {
    const mainAccount = (0, account_1.getMainAccount)(account, parentAccount);
    const tx = {
        ...(0, createTransaction_1.createTransaction)(account),
        subAccountId: account.type === "Account" ? null : account.id,
        ...transaction,
        useAllAmount: true,
    };
    const tokenAccount = tx.subAccountId
        ? (0, account_1.findSubAccountById)(mainAccount, tx.subAccountId)
        : undefined;
    if (tokenAccount) {
        return tokenAccount.balance;
    }
    const fees = await (0, api_1.getFees)(tx);
    if (fees.gt(mainAccount.spendableBalance)) {
        return new bignumber_js_1.BigNumber(0);
    }
    return mainAccount.spendableBalance.minus(fees);
};
exports.estimateMaxSpendable = estimateMaxSpendable;
exports.default = exports.estimateMaxSpendable;
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