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• [DIR] ..
• [FILE] getAddress.js
• [FILE] getAddress.js.map
• [FILE] getContractAddress.js
• [FILE] getContractAddress.js.map
• [FILE] isAddress.js
• [FILE] isAddress.js.map
• [FILE] isAddressEqual.js
• [FILE] isAddressEqual.js.map

Просмотр файла: getAddress.js

import { InvalidAddressError } from '../../errors/address.js';
import { stringToBytes, } from '../encoding/toBytes.js';
import { keccak256 } from '../hash/keccak256.js';
import { LruMap } from '../lru.js';
import { isAddress } from './isAddress.js';
const checksumAddressCache = /*#__PURE__*/ new LruMap(8192);
export function checksumAddress(address_, 
/**
 * Warning: EIP-1191 checksum addresses are generally not backwards compatible with the
 * wider Ethereum ecosystem, meaning it will break when validated against an application/tool
 * that relies on EIP-55 checksum encoding (checksum without chainId).
 *
 * It is highly recommended to not use this feature unless you
 * know what you are doing.
 *
 * See more: https://github.com/ethereum/EIPs/issues/1121
 */
chainId) {
    if (checksumAddressCache.has(`${address_}.${chainId}`))
        return checksumAddressCache.get(`${address_}.${chainId}`);
    const hexAddress = chainId
        ? `${chainId}${address_.toLowerCase()}`
        : address_.substring(2).toLowerCase();
    const hash = keccak256(stringToBytes(hexAddress), 'bytes');
    const address = (chainId ? hexAddress.substring(`${chainId}0x`.length) : hexAddress).split('');
    for (let i = 0; i < 40; i += 2) {
        if (hash[i >> 1] >> 4 >= 8 && address[i]) {
            address[i] = address[i].toUpperCase();
        }
        if ((hash[i >> 1] & 0x0f) >= 8 && address[i + 1]) {
            address[i + 1] = address[i + 1].toUpperCase();
        }
    }
    const result = `0x${address.join('')}`;
    checksumAddressCache.set(`${address_}.${chainId}`, result);
    return result;
}
export function getAddress(address, 
/**
 * Warning: EIP-1191 checksum addresses are generally not backwards compatible with the
 * wider Ethereum ecosystem, meaning it will break when validated against an application/tool
 * that relies on EIP-55 checksum encoding (checksum without chainId).
 *
 * It is highly recommended to not use this feature unless you
 * know what you are doing.
 *
 * See more: https://github.com/ethereum/EIPs/issues/1121
 */
chainId) {
    if (!isAddress(address, { strict: false }))
        throw new InvalidAddressError({ address });
    return checksumAddress(address, chainId);
}
//# sourceMappingURL=getAddress.js.map

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