Michael Freno
7c684a42cc
- Consolidated duplicate UndoManagers to single instance - Fixed connection promise to only resolve on 'connected' status - Fixed WebSocketProvider import (WebsocketProvider) - Added proper doc.destroy() cleanup - Renamed isPresenceInitialized property to avoid conflict Co-Authored-By: Paperclip <noreply@paperclip.ing>
82 lines
2.6 KiB
TypeScript
82 lines
2.6 KiB
TypeScript
import type { Address } from 'abitype'
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import { InvalidAddressError } from '../../errors/address.js'
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import type { ErrorType } from '../../errors/utils.js'
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import {
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type StringToBytesErrorType,
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stringToBytes,
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} from '../encoding/toBytes.js'
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import { type Keccak256ErrorType, keccak256 } from '../hash/keccak256.js'
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import { LruMap } from '../lru.js'
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import { type IsAddressErrorType, isAddress } from './isAddress.js'
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const checksumAddressCache = /*#__PURE__*/ new LruMap<Address>(8192)
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export type ChecksumAddressErrorType =
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| Keccak256ErrorType
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| StringToBytesErrorType
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| ErrorType
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export function checksumAddress(
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address_: Address,
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/**
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* Warning: EIP-1191 checksum addresses are generally not backwards compatible with the
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* wider Ethereum ecosystem, meaning it will break when validated against an application/tool
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* that relies on EIP-55 checksum encoding (checksum without chainId).
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*
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* It is highly recommended to not use this feature unless you
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* know what you are doing.
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*
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* See more: https://github.com/ethereum/EIPs/issues/1121
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*/
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chainId?: number | undefined,
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): Address {
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if (checksumAddressCache.has(`${address_}.${chainId}`))
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return checksumAddressCache.get(`${address_}.${chainId}`)!
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const hexAddress = chainId
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? `${chainId}${address_.toLowerCase()}`
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: address_.substring(2).toLowerCase()
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const hash = keccak256(stringToBytes(hexAddress), 'bytes')
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const address = (
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chainId ? hexAddress.substring(`${chainId}0x`.length) : hexAddress
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).split('')
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for (let i = 0; i < 40; i += 2) {
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if (hash[i >> 1] >> 4 >= 8 && address[i]) {
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address[i] = address[i].toUpperCase()
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}
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if ((hash[i >> 1] & 0x0f) >= 8 && address[i + 1]) {
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address[i + 1] = address[i + 1].toUpperCase()
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}
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}
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const result = `0x${address.join('')}` as const
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checksumAddressCache.set(`${address_}.${chainId}`, result)
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return result
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}
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export type GetAddressErrorType =
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| ChecksumAddressErrorType
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| IsAddressErrorType
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| ErrorType
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export function getAddress(
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address: string,
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/**
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* Warning: EIP-1191 checksum addresses are generally not backwards compatible with the
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* wider Ethereum ecosystem, meaning it will break when validated against an application/tool
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* that relies on EIP-55 checksum encoding (checksum without chainId).
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*
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* It is highly recommended to not use this feature unless you
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* know what you are doing.
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*
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* See more: https://github.com/ethereum/EIPs/issues/1121
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*/
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chainId?: number,
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): Address {
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if (!isAddress(address, { strict: false }))
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throw new InvalidAddressError({ address })
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return checksumAddress(address, chainId)
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}
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