QuaiHDWallet - Quai Network Docs

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The Quai HD wallet is a BIP44-compliant hierarchical deterministic wallet used for managing a set of addresses in the Quai ledger. This is the easiest way to manage the interaction of managing accounts and addresses on the Quai network, however, if your use case requires a single address Quai address, you can use the Wallet class. The Quai HD wallet supports:

Adding accounts to the wallet heierchy
Generating addresses for a specific account in any Zone
Signing and sending transactions for any address in the wallet
Signing and verifying EIP1193 typed data for any address in the wallet.
Serializing the wallet to JSON and deserializing it back to a wallet instance.

Example

import { QuaiHDWallet, Zone } from 'quais';

const wallet = new QuaiHDWallet();
const cyrpus1Address = await wallet.getNextAddress(0, Zone.Cyrpus1); // get the first address in the Cyrpus1 zone
await wallet.sendTransaction({ from: address, to: '0x...', value: 100 }); // send a transaction
const serializedWallet = wallet.serialize(); // serialize current (account/address) state of the wallet
.
.
.
const deserializedWallet = QuaiHDWallet.deserialize(serializedWallet); // create a new wallet instance from the serialized data

Extends

AbstractHDWallet<NeuteredAddressInfo>

Constructors

new QuaiHDWallet()

new QuaiHDWallet(
   guard, 
   root, 
   provider?): QuaiHDWallet

Create a QuaiHDWallet instance.

Parameters

Parameter	Type	Description
`guard`	`any`	-
`root`	`HDNodeWallet`	The root HD node wallet.
`provider`?	`Provider`	The provider.

Returns

QuaiHDWallet

Overrides

AbstractHDWallet<NeuteredAddressInfo>.constructor

Source

wallet/quai-hdwallet.ts:69

Methods

addAddress()

addAddress(account, addressIndex): NeuteredAddressInfo

Adds an address to the wallet.

Parameters

Parameter	Type	Description
`account`	`number`	The account number.
`addressIndex`	`number`	The address index.

Returns

NeuteredAddressInfo The added address info.

Overrides

AbstractHDWallet.addAddress

Source

wallet/quai-hdwallet.ts:228

connect()

connect(provider): void

Connects the wallet to a provider.

Parameters

Parameter	Type	Description
`provider`	`Provider`	The provider.

Returns

void

Inherited from

AbstractHDWallet.connect

Source

wallet/abstract-hdwallet.ts:240

getAddressInfo()

getAddressInfo(address): null | NeuteredAddressInfo

Gets the address info for a given address.

Parameters

Parameter	Type	Description
`address`	`string`	The address.

Returns

null | NeuteredAddressInfo The address info or null if not found.

Overrides

AbstractHDWallet.getAddressInfo

Source

wallet/quai-hdwallet.ts:350

getAddressesForAccount()

getAddressesForAccount(account): NeuteredAddressInfo[]

Gets the addresses for a given account.

Parameters

Parameter	Type	Description
`account`	`number`	The account number.

Returns

NeuteredAddressInfo[] The addresses for the account.

Overrides

AbstractHDWallet.getAddressesForAccount

Source

wallet/quai-hdwallet.ts:409

getAddressesForZone()

getAddressesForZone(zone): NeuteredAddressInfo[]

Gets the addresses for a given zone.

Parameters

Parameter	Type	Description
`zone`	`Zone`	The zone.

Returns

NeuteredAddressInfo[] The addresses for the zone.

Overrides

AbstractHDWallet.getAddressesForZone

Source

wallet/quai-hdwallet.ts:397

getNextAddress()

getNextAddress(account, zone): Promise<NeuteredAddressInfo>

Promise that resolves to the next address for the specified account and zone.

Parameters

Parameter	Type	Description
`account`	`number`	The index of the account for which to retrieve the next address.
`zone`	`Zone`	The zone in which to retrieve the next address.

Returns

Promise<NeuteredAddressInfo> The next neutered address information.

Overrides

AbstractHDWallet.getNextAddress

Source

wallet/quai-hdwallet.ts:273

getNextAddressSync()

getNextAddressSync(account, zone): NeuteredAddressInfo

Synchronously retrieves the next address for the specified account and zone.

Parameters

Parameter	Type	Description
`account`	`number`	The index of the account for which to retrieve the next address.
`zone`	`Zone`	The zone in which to retrieve the next address.

Returns

NeuteredAddressInfo The next neutered address information.

Overrides

AbstractHDWallet.getNextAddressSync

Source

wallet/quai-hdwallet.ts:284

getPrivateKey()

getPrivateKey(address): string

Returns the private key for a given address. This method should be used with caution as it exposes the private key to the user.

Parameters

Parameter	Type	Description
`address`	`string`	The address associated with the desired private key.

Returns

string The private key.

Overrides

AbstractHDWallet.getPrivateKey

Source

wallet/quai-hdwallet.ts:365

sendTransaction()

sendTransaction(tx): Promise<TransactionResponse>

Send a transaction.

Parameters

Parameter	Type	Description
`tx`	`QuaiTransactionRequest`	The transaction request.

Returns

Promise<TransactionResponse> A promise that resolves to the transaction response.

Throws

If the provider is not set.

Source

wallet/quai-hdwallet.ts:103

serialize()

serialize(): SerializedQuaiHDWallet

Serializes the QuaiHDWallet state into a format suitable for storage or transmission. This method extends the serialization from the parent class (AbstractHDWallet) and includes additional QuaiHDWallet-specific data, such as the addresses.

Returns

SerializedQuaiHDWallet An object representing the serialized state of the QuaiHDWallet, including addresses and other inherited properties from the parent wallet.

Overrides

AbstractHDWallet.serialize

Example

Const wallet = new QuaiHDWallet(); const serializedData = wallet.serialize(); // serializedData can now
be stored or transmitted

Source

wallet/quai-hdwallet.ts:137

signMessage()

signMessage(address, message): Promise<string>

Sign a message.

Parameters

Parameter	Type	Description
`address`	`string`	The address.
`message`	`string` \| `Uint8Array`	The message to sign.

Returns

Promise<string> A promise that resolves to the signed message.

Overrides

AbstractHDWallet.signMessage

Source

wallet/quai-hdwallet.ts:120

signTransaction()

signTransaction(tx): Promise<string>

Sign a transaction.

Parameters

Parameter	Type	Description
`tx`	`QuaiTransactionRequest`	The transaction request.

Returns

Promise<string> A promise that resolves to the signed transaction.

Overrides

AbstractHDWallet.signTransaction

Source

wallet/quai-hdwallet.ts:89

signTypedData()

signTypedData(
   address, 
   domain, 
   types, 
value): Promise<string>

Signs typed data using the private key associated with the given address.

Parameters

Parameter	Type	Description
`address`	`string`	The address for which the typed data is to be signed.
`domain`	`TypedDataDomain`	The domain information of the typed data, defining the scope of the signature.
`types`	`Record`<`string`, `TypedDataField`[]>	The types of the data to be signed, mapping each data type name to its fields.
`value`	`Record`<`string`, `unknown`>	The actual data to be signed.

Returns

Promise<string> A promise that resolves to the signed data in string format.

Throws

If the address does not correspond to a valid HD node or if signing fails.

Source

wallet/quai-hdwallet.ts:211

xPub()

xPub(): string

Returns the extended public key of the root node of the BIP44 HD wallet.

Returns

string The extended public key.

Source

wallet/quai-hdwallet.ts:79

createRandom()

static createRandom<T>(
   this, 
   password?, 
   wordlist?): T

Creates a random HD wallet.

Type parameters

Type parameter
`T` extends `AbstractHDWallet`<`NeuteredAddressInfo`, `T`>

Parameters

Parameter	Type	Description
`this`	`Object`	The constructor of the HD wallet.
`password`?	`string`	The password.
`wordlist`?	`Wordlist`	The wordlist.

Returns

T The created instance.

Inherited from

AbstractHDWallet.createRandom

Source

wallet/abstract-hdwallet.ts:195

deserialize()

static deserialize(serialized): Promise<QuaiHDWallet>

Deserializes the given serialized HD wallet data into an instance of QuaiHDWallet.

Parameters

Parameter	Type	Description
`serialized`	`SerializedQuaiHDWallet`	The serialized wallet data to be deserialized.

Returns

Promise<QuaiHDWallet> A promise that resolves to an instance of QuaiHDWallet.

Overrides

AbstractHDWallet.deserialize

Async

Throws

If validation of the serialized wallet data fails or if deserialization fails.

Static

Source

wallet/quai-hdwallet.ts:181

fromMnemonic()

static fromMnemonic<T>(this, mnemonic): T

Creates an HD wallet from a mnemonic.

Type parameters

Type parameter
`T` extends `AbstractHDWallet`<`NeuteredAddressInfo`, `T`>

Parameters

Parameter	Type	Description
`this`	`Object`	The constructor of the HD wallet.
`mnemonic`	`Mnemonic`	The mnemonic.

Returns

T The created instance.

Inherited from

AbstractHDWallet.fromMnemonic

Source

wallet/abstract-hdwallet.ts:180

fromPhrase()

static fromPhrase<T>(
   this, 
   phrase, 
   password?, 
   wordlist?): T

Creates an HD wallet from a phrase.

Type parameters

Type parameter
`T` extends `AbstractHDWallet`<`NeuteredAddressInfo`, `T`>

Parameters

Parameter	Type	Description
`this`	`Object`	The constructor of the HD wallet.
`phrase`	`string`	The phrase.
`password`?	`string`	The password.
`wordlist`?	`Wordlist`	The wordlist.

Returns

T The created instance.

Inherited from

AbstractHDWallet.fromPhrase

Source

wallet/abstract-hdwallet.ts:219

​Example

​Extends

​Constructors

​new QuaiHDWallet()

​Parameters

​Returns

​Overrides

​Source

​Methods

​addAddress()

​Parameters

​Returns

​Overrides

​Source

​connect()

​Parameters

​Returns

​Inherited from

​Source

​getAddressInfo()

​Parameters

​Returns

​Overrides

​Source

​getAddressesForAccount()

​Parameters

​Returns

​Overrides

​Source

​getAddressesForZone()

​Parameters

​Returns

​Overrides

​Source

​getNextAddress()

​Parameters

​Returns

​Overrides

​Source

​getNextAddressSync()

​Parameters

​Returns

​Overrides

​Source

​getPrivateKey()

​Parameters

​Returns

​Overrides

​Source

​sendTransaction()

​Parameters

​Returns

​Throws

​Source

​serialize()

​Returns

​Overrides

​Example

​Source

​signMessage()

​Parameters

​Returns

​Overrides

​Source

​signTransaction()

​Parameters

​Returns

​Overrides

​Source

​signTypedData()

​Parameters

​Returns

​Throws

​Source

​xPub()

​Returns

​Source

​createRandom()

​Type parameters

​Parameters

Example

Extends

Constructors

new QuaiHDWallet()

Parameters

Returns

Overrides

Source

Methods

addAddress()

Parameters

Returns

Overrides

Source

connect()

Parameters

Returns

Inherited from

Source

getAddressInfo()

Parameters

Returns

Overrides

Source

getAddressesForAccount()

Parameters

Returns

Overrides

Source

getAddressesForZone()

Parameters

Returns

Overrides

Source

getNextAddress()

Parameters

Returns

Overrides

Source

getNextAddressSync()

Parameters

Returns

Overrides

Source

getPrivateKey()

Parameters

Returns

Overrides

Source

sendTransaction()

Parameters

Returns

Throws

Source

serialize()

Returns

Overrides

Example

Source

signMessage()

Parameters

Returns

Overrides

Source

signTransaction()

Parameters

Returns

Overrides

Source

signTypedData()

Parameters

Returns

Throws

Source

xPub()

Returns

Source

createRandom()

Type parameters

Parameters