@ledgerhq/coin-icon/lib/logic.js

Ledger Icon Coin integration

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getMinimumBalance = exports.calculateAmount = exports.getNid = exports.isTestnet = exports.getNonce = exports.isSelfTransaction = exports.isValidAddress = exports.FEES_SAFETY_BUFFER = exports.EXISTENTIAL_DEPOSIT_RECOMMENDED_MARGIN = exports.EXISTENTIAL_DEPOSIT = exports.convertICXtoLoop = exports.convertLoopToIcx = void 0;
const cryptoassets_1 = require("@ledgerhq/cryptoassets");
const bignumber_js_1 = require("bignumber.js");
const icon_sdk_js_1 = __importDefault(require("icon-sdk-js"));
const { IconAmount } = icon_sdk_js_1.default;
const constants_1 = require("./constants");
/**
 * @param {string|number|BigNumber} value value as loop
 * @returns {BigNumber} value as ICX
 */
const convertLoopToIcx = (value) => {
    return new bignumber_js_1.BigNumber(IconAmount.fromLoop(value, IconAmount.Unit.ICX.toString()));
};
exports.convertLoopToIcx = convertLoopToIcx;
/**
 * @param {string|number|BigNumber} value value as ICX
 * @returns {BigNumber} value as loop
 */
const convertICXtoLoop = (value) => {
    return new bignumber_js_1.BigNumber(IconAmount.toLoop(value, IconAmount.Unit.ICX.toString()));
};
exports.convertICXtoLoop = convertICXtoLoop;
exports.EXISTENTIAL_DEPOSIT = (0, exports.convertICXtoLoop)(0.00125);
exports.EXISTENTIAL_DEPOSIT_RECOMMENDED_MARGIN = (0, exports.convertICXtoLoop)(0.00125);
exports.FEES_SAFETY_BUFFER = (0, exports.convertICXtoLoop)(0.00125); // Arbitrary buffer for paying fees of next transactions
/**
 * Returns true if address is a valid md5
 *
 * @param {string} address
 */
const isValidAddress = (address) => {
    if (!address)
        return false;
    return !!address.match(/^[a-z0-9]{42}$/);
};
exports.isValidAddress = isValidAddress;
/**
 * Returns true if transaction is a self transaction
 *
 * @param {Account} account
 * @param {Transaction} transaction
 */
const isSelfTransaction = (account, transaction) => {
    return transaction.recipient === account.freshAddress;
};
exports.isSelfTransaction = isSelfTransaction;
/**
 * Returns nonce for an account
 *
 * @param {Account} account
 */
const getNonce = (account) => {
    const lastPendingOp = account.pendingOperations[0];
    const nonce = Math.max(account.iconResources?.nonce || 0, lastPendingOp && typeof lastPendingOp.transactionSequenceNumber === "number"
        ? lastPendingOp.transactionSequenceNumber + 1
        : 0);
    return nonce;
};
exports.getNonce = getNonce;
/**
 * Returns true if the current currency is testnet
 *
 * @param {currency} CryptoCurrency
 */
function isTestnet(currency) {
    return (0, cryptoassets_1.getCryptoCurrencyById)(currency.id).isTestnetFor ? true : false;
}
exports.isTestnet = isTestnet;
function getNid(currency) {
    let nid = constants_1.MAINNET_NID;
    if (isTestnet(currency)) {
        nid = constants_1.BERLIN_TESTNET_NID;
    }
    return nid;
}
exports.getNid = getNid;
/**
 * Calculate the real spendable
 *
 * @param {*} account
 * @param {*} transaction
 */
const calculateMaxSend = (account, transaction) => {
    const amount = account.spendableBalance.minus(transaction.fees || 0);
    return amount.lt(0) ? new bignumber_js_1.BigNumber(0) : (0, bignumber_js_1.BigNumber)(amount.toFixed(5));
};
/**
 * Calculates correct amount if useAllAmount
 *
 * @param {*} param
 */
const calculateAmount = ({ account, transaction, }) => {
    let amount = transaction.amount;
    if (transaction.useAllAmount) {
        switch (transaction.mode) {
            case "send":
                amount = calculateMaxSend(account, transaction);
                break;
            default:
                amount = account.spendableBalance.minus(transaction.fees || 0);
                break;
        }
    }
    return amount.lt(0) ? new bignumber_js_1.BigNumber(0) : amount;
};
exports.calculateAmount = calculateAmount;
const getMinimumBalance = (account) => {
    const lockedBalance = account.balance.minus(account.spendableBalance);
    return lockedBalance.lte(exports.EXISTENTIAL_DEPOSIT)
        ? exports.EXISTENTIAL_DEPOSIT.minus(lockedBalance)
        : new bignumber_js_1.BigNumber(0);
};
exports.getMinimumBalance = getMinimumBalance;
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