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• [DIR] ..
• [FILE] account.ts
• [FILE] address.ts
• [FILE] asyncEventEmitter.ts
• [FILE] bytes.ts
• [FILE] constants.ts
• [FILE] helpers.ts
• [FILE] index.ts
• [FILE] internal.ts
• [FILE] lock.ts
• [FILE] signature.ts
• [FILE] types.ts
• [FILE] withdrawal.ts

Просмотр файла: constants.ts

import { Buffer } from 'buffer'
import { CURVE } from 'ethereum-cryptography/secp256k1'

/**
 * 2^64-1
 */
export const MAX_UINT64 = BigInt('0xffffffffffffffff')

/**
 * The max integer that the evm can handle (2^256-1)
 */
export const MAX_INTEGER = BigInt(
  '0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff'
)

/**
 * The max integer that the evm can handle (2^256-1) as a bigint
 */
export const MAX_INTEGER_BIGINT = BigInt(2) ** BigInt(256) - BigInt(1)

export const SECP256K1_ORDER = CURVE.n
export const SECP256K1_ORDER_DIV_2 = CURVE.n / BigInt(2)

/**
 * 2^256
 */
export const TWO_POW256 = BigInt(
  '0x10000000000000000000000000000000000000000000000000000000000000000'
)

/**
 * Keccak-256 hash of null
 */
export const KECCAK256_NULL_S = 'c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470'

/**
 * Keccak-256 hash of null
 */
export const KECCAK256_NULL = Buffer.from(KECCAK256_NULL_S, 'hex')

/**
 * Keccak-256 of an RLP of an empty array
 */
export const KECCAK256_RLP_ARRAY_S =
  '1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347'

/**
 * Keccak-256 of an RLP of an empty array
 */
export const KECCAK256_RLP_ARRAY = Buffer.from(KECCAK256_RLP_ARRAY_S, 'hex')

/**
 * Keccak-256 hash of the RLP of null
 */
export const KECCAK256_RLP_S = '56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421'

/**
 * Keccak-256 hash of the RLP of null
 */
export const KECCAK256_RLP = Buffer.from(KECCAK256_RLP_S, 'hex')

/**
 *  RLP encoded empty string
 */
export const RLP_EMPTY_STRING = Buffer.from([0x80])

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