@dappykit/sdk/dist/src/utils/eth.d.ts

Web3 SDK for DApps

import { Bytes } from './bytes';
export declare const ETH_SIGNATURE_0X_HEX_LENGTH = 132;
export type EthAddress = Bytes<20>;
export declare const ETH_ADDR_HEX_LENGTH = 40;
export declare const ETH_ADDR_0X_HEX_LENGTH = 42;
/**
 * Creates Ethereum address from the given value.
 * @param address Value to convert
 */
export declare function makeEthAddress(address: EthAddress | Uint8Array | string | unknown): EthAddress;
/**
 * Checks if the given value is a valid Ethereum address without 0x.
 * @param value Value to check
 */
export declare function isEthAddress(value: unknown): value is EthAddress;
/**
 * Checks if the given value is a valid Ethereum address with 0x prefix.
 * @param value Value to check
 */
export declare function is0xEthAddress(value: unknown): value is string;
/**
 * Asserts that the given value is a valid Ethereum address without 0x.
 * @param value Value to check
 */
export declare function assertHexEthAddress(value: unknown): asserts value is EthAddress;
/**
 * Asserts that the given value is a valid Ethereum address with 0x prefix.
 * @param value Value to check
 */
export declare function assert0xEthAddress(value: unknown): asserts value is string;
/**
 * Prepares the Ethereum address by removing the 0x prefix and converting it to lowercase.
 * @param address Ethereum address
 */
export declare function prepareEthAddress(address: string): string;
export declare function prepareEthSignature(signature: string): string;
/**
 * Checks if the given value is a valid Ethereum signature with 0x prefix.
 * @param value Value to check
 */
export declare function is0xEthSignature(value: unknown): value is string;
/**
 * Extract the signer address from the data and signature
 * @param data Data to extract the signer address from
 * @param signature Signature to extract the signer address from
 */
export declare function extractSignerAddress(data: string, signature: string): Promise<string>;