NetGum utilities

Installation

  $ npm i @netgum/utils -S

API

ABI

• abiEncodePacked(...types: string[]): (...args: any[]) => Buffer

Address

• toChecksumAddress(address: string): string
• bufferToAddress(buff: Buffer): string
• computeCreate2Address(deployer: string, salt: string | number | Buffer, byteCodeHash: Buffer | string): string
• verifyAddress(address: string, checksum: boolean = true): boolean
• targetToAddress(target: any): string
• convertAddress(address: string): string
• publicKeyToAddress(publicKey: Buffer): string
• privateKeyToAddress(privateKey: Buffer): string

BN

• anyToBN(data: any = 0, options: IAnyToBNOptions = {}): BN

Buffer

• anyToBuffer(data: any = Buffer.alloc(0), options: IAnyToBufferOptions = {}): Buffer

Crypto

• sha3(...args: any[]): Buffer

ECDSA

• verifyPublicKey(publicKey: Buffer): boolean
• verifyPrivateKey(privateKey: Buffer): boolean
• privateToPublicKey(privateKey: Buffer): Buffer
• generateRandomPrivateKey(): Buffer

ENS

• normalizeEnsName(...parts: string[]): string
• getEnsNameInfo(...parts: string[]): IEnsNameInfo
• getEnsNameHash(name: string): string
• getEnsLabelHash(label: string): string

Hex

• anyToHex(data: any = Buffer.alloc(0), options: IAnyToHexOptions = {}): string
• prepareHex(hex: string, options: IPrepareHexOptions = {}): string

JSON

• jsonReplacer(key: string, value: any): any
• jsonReviver(key: any, value: any): any

Signing

• hashPersonalMessage(message: Buffer | string): Buffer
• signPersonalMessage(message: Buffer | string, privateKey: Buffer): Buffer
• recoverPublicKeyFromPersonalMessage(message: Buffer | string, signature: Buffer | string): Buffer
• recoverAddressFromPersonalMessage(message: Buffer | string, signature: Buffer | string): string
• getMethodSignature(name: string, ...args: string[]): Buffer

Units

• convertUnit(value: number | BN, from: Units = Units.Wei, to: Units = Units.Ether): BN
• ethToWei(value: number): BN
• weiToEth(value: BN): number

License

The MIT License