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• .. (вверх)
• [DIR] ..
• [FILE] abi.ts
• [FILE] accounts.ts
• [FILE] address.ts
• [FILE] base58.ts
• [FILE] base64.ts
• [FILE] bytes.ts
• [FILE] code.ts
• [FILE] constants.ts
• [FILE] crypto.ts
• [FILE] deserializeTx.ts
• [FILE] ethersUtils.ts
• [FILE] fragments.ts
• [FILE] help.ts
• [FILE] index.ts
• [FILE] interface.ts
• [FILE] message.ts
• [FILE] transaction.ts
• [FILE] typedData.ts
• [FILE] validations.ts

Просмотр файла: code.ts

import {
    byte2hexStr,
    bytesToString,
    hextoString,
    byteArray2hexStr,
    base64DecodeFromString,
    base64EncodeToString,
} from './bytes.js';

import type { BytesLike } from '../types/UtilsTypes.js';

export function bin2String(array: BytesLike) {
    return bytesToString(array);
}

export function arrayEquals(array1: any[], array2: any[], strict = false) {
    if (array1.length != array2.length) return false;

    for (let i = 0; i < array1.length; i++) {
        if (strict) {
            if (array1[i] != array2[i]) return false;
        } else if (JSON.stringify(array1[i]) != JSON.stringify(array2[i])) return false;
    }

    return true;
}

export function stringToBytes(str: string) {
    const bytes = [];
    const len: number = str.length;
    let c: number;

    for (let i = 0; i < len; i++) {
        c = str.charCodeAt(i);

        if (c >= 0x010000 && c <= 0x10ffff) {
            bytes.push(((c >> 18) & 0x07) | 0xf0);
            bytes.push(((c >> 12) & 0x3f) | 0x80);
            bytes.push(((c >> 6) & 0x3f) | 0x80);
            bytes.push((c & 0x3f) | 0x80);
        } else if (c >= 0x000800 && c <= 0x00ffff) {
            bytes.push(((c >> 12) & 0x0f) | 0xe0);
            bytes.push(((c >> 6) & 0x3f) | 0x80);
            bytes.push((c & 0x3f) | 0x80);
        } else if (c >= 0x000080 && c <= 0x0007ff) {
            bytes.push(((c >> 6) & 0x1f) | 0xc0);
            bytes.push((c & 0x3f) | 0x80);
        } else bytes.push(c & 0xff);
    }

    return bytes;
}

export { byte2hexStr, bytesToString, hextoString, byteArray2hexStr, base64DecodeFromString, base64EncodeToString };

export function hexChar2byte(c: string) {
    let d: number | undefined;

    if (c >= 'A' && c <= 'F') d = c.charCodeAt(0) - 'A'.charCodeAt(0) + 10;
    else if (c >= 'a' && c <= 'f') d = c.charCodeAt(0) - 'a'.charCodeAt(0) + 10;
    else if (c >= '0' && c <= '9') d = c.charCodeAt(0) - '0'.charCodeAt(0);

    if (typeof d === 'number') return d;
    else throw new Error('The passed hex char is not a valid hex char');
}

export function isHexChar(c: string) {
    if ((c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f') || (c >= '0' && c <= '9')) {
        return 1;
    }

    return 0;
}

// set strict as true: if the length of str is odd, add 0 before the str to make its length as even
export function hexStr2byteArray(str: string, strict = false) {
    let len = str.length;

    if (strict) {
        if (len % 2) {
            str = `0${str}`;
            len++;
        }
    }
    const byteArray: number[] = [];
    let d = 0;
    let j = 0;
    let k = 0;

    for (let i = 0; i < len; i++) {
        const c = str.charAt(i);

        if (isHexChar(c)) {
            d <<= 4;
            d += hexChar2byte(c);
            j++;

            if (0 === j % 2) {
                byteArray[k++] = d;
                d = 0;
            }
        } else throw new Error('The passed hex char is not a valid hex string');
    }

    return byteArray;
}

//yyyy-MM-DD HH-mm-ss
export function strToDate(str: string) {
    if (!/^\d{4}-\d{2}-\d{2}( \d{2}-\d{2}-\d{2}|)/.test(str)) throw new Error('The passed date string is not valid');

    const tempStrs = str.split(' ');
    const dateStrs = tempStrs[0].split('-');
    const year = parseInt(dateStrs[0], 10);
    const month = parseInt(dateStrs[1], 10) - 1;
    const day = parseInt(dateStrs[2], 10);

    if (tempStrs.length > 1) {
        const timeStrs = tempStrs[1].split('-');
        const hour = parseInt(timeStrs[0], 10);
        const minute = parseInt(timeStrs[1], 10);
        const second = parseInt(timeStrs[2], 10);

        return new Date(year, month, day, hour, minute, second);
    }

    return new Date(year, month, day);
}

export function isNumber(c: string) {
    if (c >= '0' && c <= '9') return 1;

    return 0;
}

//return 1: address  --- 20Bytes HexString
//return 2: blockNumber ------ Decimal number
//return 3: assetName ------ String
//return other: error
export function getStringType(str: string) {
    if (null == str) return -1;

    if (str.length == 0 || str == '') return -1;

    let i = 0;

    if (str.length == 40) {
        for (; i < 40; i++) {
            const c = str.charAt(i);

            if (!isHexChar(c)) break;
        }
    }

    if (i == 40) return 1; //40 Hex, Address

    for (i = 0; i < str.length; i++) {
        const c = str.charAt(i);

        if (!isNumber(c)) break;
    }

    if (i == str.length) return 2; // All Decimal number, BlockNumber

    for (i = 0; i < str.length; i++) {
        const c = str.charAt(i);

        if (c > ' ') return 3; // At least one visible character
    }

    return -1;
}

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