@ledgerhq/coin-internet_computer/lib/common-logic/utils.js

Ledger Internet Computer integration

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getRandomTransferID = exports.normalizeEpochTimestamp = exports.getBufferFromString = exports.methodToString = exports.isValidBase64 = exports.isValidHex = exports.getPath = void 0;
const bignumber_js_1 = require("bignumber.js");
const consts_1 = require("../consts");
const validHexRegExp = new RegExp(/[0-9A-Fa-f]{6}/g);
const validBase64RegExp = new RegExp(/^(?:[A-Za-z\d+/]{4})*(?:[A-Za-z\d+/]{3}=|[A-Za-z\d+/]{2}==)?$/);
const getPath = (path) => path && path.substr(0, 2) !== "m/" ? `m/${path}` : path;
exports.getPath = getPath;
const isValidHex = (msg) => validHexRegExp.test(msg);
exports.isValidHex = isValidHex;
const isValidBase64 = (msg) => validBase64RegExp.test(msg);
exports.isValidBase64 = isValidBase64;
const methodToString = (method) => {
    switch (method) {
        case consts_1.ICP_SEND_TXN_TYPE:
            return "Send ICP";
        default:
            return "Unknown";
    }
};
exports.methodToString = methodToString;
const getBufferFromString = (message) => (0, exports.isValidHex)(message)
    ? Buffer.from(message, "hex")
    : (0, exports.isValidBase64)(message)
        ? Buffer.from(message, "base64")
        : Buffer.from(message);
exports.getBufferFromString = getBufferFromString;
const normalizeEpochTimestamp = (timestamp) => {
    return parseInt(timestamp.slice(0, 13));
};
exports.normalizeEpochTimestamp = normalizeEpochTimestamp;
function randomIntFromInterval(min, max) {
    const minBig = new bignumber_js_1.BigNumber(min);
    const maxBig = new bignumber_js_1.BigNumber(max);
    const random = bignumber_js_1.BigNumber.random().multipliedBy(maxBig.minus(minBig).plus(1)).plus(minBig);
    const randomInt = random.integerValue(bignumber_js_1.BigNumber.ROUND_FLOOR);
    return randomInt.toString();
}
function getRandomTransferID() {
    return randomIntFromInterval(0, consts_1.MAX_MEMO_VALUE);
}
exports.getRandomTransferID = getRandomTransferID;
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