index/classes/PrivateKeySigner.md

A private-key signer that supports both native GalaChain writes and launchpad bundler typed-data writes.

Example

const signer = new PrivateKeySigner(`0x${'1'.repeat(64)}`);
const body = await signer.signTypedData('BuyWithNative', { amount: '1' });
console.log(body.signature);

Extends

• PrivateKeySigner

Implements

• LaunchpadSigner

Constructors

Constructor

new PrivateKeySigner(privateKey): PrivateKeySigner

Parameters

Parameter	Type
privateKey	string

Returns

PrivateKeySigner

Overrides

CorePrivateKeySigner.constructor

Properties

Property	Modifier	Type	Description
walletAddress	readonly	string	The GalaChain identity this key signs for (eth|<checksummed address>, no 0x).

Methods

signObject()

signObject<T>(_methodName, dto): Promise<SignedDto<T>>

Signs the DTO with GalaChain native signing.

Type Parameters

Type Parameter
T extends Record<string, unknown>

Parameters

Parameter	Type
_methodName	string
dto	T

Returns

Promise<SignedDto<T>>

Example

const signed = await signer.signObject('RequestTrade', {
  token0: 'GALA',
  token1: 'GUSDC',
  fee: 3000,
});

Implementation of

LaunchpadSigner.signObject

Inherited from

CorePrivateKeySigner.signObject

---

signTypedData()

signTypedData(method, rawDto): Promise<SignedTypedDataBody>

Sign the same EIP-712 types that the bundler receives.

Parameters

Parameter	Type
method	string
rawDto	Record<string, unknown>

Returns

Promise<SignedTypedDataBody>

Example

const body = await signer.signTypedData('BuyWithNative', { amount: '1' });
console.log(body.domain.name);

Implementation of

LaunchpadSigner.signTypedData