import { bytesToHexString, numberToHexString, setLengthLeft } from "./hex.js";
import { getAddressGenerator, getHashGenerator, isValidChecksum, } from "./internal/eth.js";
/**
 * Checks if a value is an Ethereum address.
 *
 * @param value The value to check.
 * @returns True if the value is an Ethereum address, false otherwise.
 */
export function isAddress(value) {
    return typeof value === "string" && /^0x[0-9a-f]{40}$/i.test(value);
}
/**
 * Checks if a value is an Ethereum address and if the checksum is valid.
 *
 * @param value The value to check.
 * @returns True if the value is an Ethereum address with a valid checksum, false otherwise.
 */
export async function isValidChecksumAddress(value) {
    return isAddress(value) && isValidChecksum(value);
}
/**
 * Checks if a value is an Ethereum hash.
 *
 * @param value The value to check.
 * @returns True if the value is an Ethereum hash, false otherwise.
 */
export function isHash(value) {
    return typeof value === "string" && /^0x[0-9a-f]{64}$/i.test(value);
}
/**
 * Converts a number to a hexadecimal string with a length of 32 bytes.
 *
 * @param value The number to convert.
 * @returns The hexadecimal representation of the number padded to 32 bytes.
 * @throws InvalidParameterError If the input is not a safe integer or is negative.
 */
export function toEvmWord(value) {
    return setLengthLeft(numberToHexString(value), 64);
}
/**
 * Generates a pseudo-random sequence of hash bytes.
 *
 * @returns A pseudo-random sequence of hash bytes.
 */
export async function generateHashBytes() {
    const hashGenerator = await getHashGenerator();
    return hashGenerator.next();
}
/**
 * Generates a pseudo-random hash.
 *
 * @returns A pseudo-random hash.
 */
export async function randomHash() {
    const hashBytes = await generateHashBytes();
    return bytesToHexString(hashBytes);
}
/**
 * Generates a pseudo-random sequence of hash bytes that can be used as an
 * address.
 *
 * @returns A pseudo-random sequence of hash bytes.
 */
export async function generateAddressBytes() {
    const addressGenerator = await getAddressGenerator();
    const hashBytes = await addressGenerator.next();
    return hashBytes.slice(0, 20);
}
/**
 * Generates a pseudo-random address.
 *
 * @returns A pseudo-random address.
 */
export async function randomAddress() {
    const addressBytes = await generateAddressBytes();
    return bytesToHexString(addressBytes);
}
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