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Interface EthUtils

https://github.com/ethereumjs/ethereumjs-util/blob/master/docs/index.md

Hierarchy

  • EthUtils

Index

Properties

Methods

Properties

BN

BN: BigNumber

BN.js

SHA3_NULL

SHA3_NULL: Buffer

SHA3_NULL_S

SHA3_NULL_S: string

Methods

addHexPrefix

  • addHexPrefix(str: string): string

  • Adds "0x" to a given String if it does not already start with "0x".

    Parameters

    • str: string

    Returns string

baToJSON

  • baToJSON(ba: Buffer | Array<any>): any

  • Converts a Buffer or Array to JSON.

    Parameters

    • ba: Buffer | Array<any>

    Returns any

bufferToHex

  • bufferToHex(buf: Buffer): string

  • Parameters

    • buf: Buffer

    Returns string

bufferToInt

  • bufferToInt(buf: Buffer): number

  • Parameters

    • buf: Buffer

    Returns number

ecrecover

  • ecrecover(msgHash: Buffer, v: number, r: Buffer, s: Buffer): Buffer

  • Parameters

    • msgHash: Buffer
    • v: number
    • r: Buffer
    • s: Buffer

    Returns Buffer

ecsign

  • ecsign(msgHash: Buffer, privateKey: Buffer): any

  • Parameters

    • msgHash: Buffer
    • privateKey: Buffer

    Returns any

fromRpcSig

  • fromRpcSig(sig: string): any

  • Parameters

    • sig: string

    Returns any

fromSigned

  • fromSigned(num: Buffer): any

  • Parameters

    • num: Buffer

    Returns any

generateAddress

  • generateAddress(from: Buffer, nonce: Buffer): Buffer

  • Parameters

    • from: Buffer
    • nonce: Buffer

    Returns Buffer

hashPersonalMessage

  • hashPersonalMessage(message: Buffer): Buffer

  • Parameters

    • message: Buffer

    Returns Buffer

importPublic

  • importPublic(publicKey: Buffer): Buffer

  • Parameters

    • publicKey: Buffer

    Returns Buffer

isValidAddress

  • isValidAddress(address: string): boolean

  • Parameters

    • address: string

    Returns boolean

isValidChecksumAddress

  • isValidChecksumAddress(address: Buffer): boolean

  • Parameters

    • address: Buffer

    Returns boolean

isValidPrivate

  • isValidPrivate(privateKey: Buffer): boolean

  • Parameters

    • privateKey: Buffer

    Returns boolean

isValidPublic

  • isValidPublic(privateKey: Buffer, sanitize: boolean): any

  • Parameters

    • privateKey: Buffer
    • sanitize: boolean

    Returns any

isValidSignature

  • isValidSignature(v: number, r: Buffer, s: Buffer, homestead?: undefined | true | false): any

  • Parameters

    • v: number
    • r: Buffer
    • s: Buffer
    • Optional homestead: undefined | true | false

    Returns any

privateToAddress

  • privateToAddress(privateKey: Buffer): Buffer

  • Parameters

    • privateKey: Buffer

    Returns Buffer

privateToPublic

  • privateToPublic(privateKey: Buffer): Buffer

  • Parameters

    • privateKey: Buffer

    Returns Buffer

pubToAddress

  • pubToAddress(privateKey: Buffer, sanitize?: undefined | true | false): Buffer

  • Parameters

    • privateKey: Buffer
    • Optional sanitize: undefined | true | false

    Returns Buffer

sha256

  • sha256(a: Buffer | Array<any> | string | number): Buffer

  • Parameters

    • a: Buffer | Array<any> | string | number

    Returns Buffer

sha3

  • sha3(a: Buffer | Array<any> | string | number, bits?: undefined | number): Buffer

  • Keccak[bits]

    Parameters

    • a: Buffer | Array<any> | string | number
    • Optional bits: undefined | number

    Returns Buffer

toBuffer

  • toBuffer(v: any): Buffer

  • Parameters

    • v: any

    Returns Buffer

toChecksumAddress

  • toChecksumAddress(address: string): string

  • Parameters

    • address: string

    Returns string

toRpcSig

  • toRpcSig(v: number, r: Buffer, s: Buffer): string

  • Parameters

    • v: number
    • r: Buffer
    • s: Buffer

    Returns string

zeros

  • zeros(bytes: number): Buffer

  • Parameters

    • bytes: number

    Returns Buffer

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