Wallet Management

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For more high level overview on what wallets are available in the SDK, see the Wallet fundamentals page.

Quai Wallets
Qi Wallets

The QiHDWallet class provides additional low-level functionality on top of the base Wallet class, allowing for more granular control and wallet management.

Initialize a Quai HD Wallet

You can initialize a Quai HD wallet by creating a new instance from a mnemonic:

const quais = require('quais')

// seed phrase
const phrase = 'pill tomorrow foster begin walnut borrow virtual kick shift mutual shoe scatter'

// initialize HD wallet from mnemonic
const mnemonic = quais.Mnemonic.fromPhrase(phrase)
const quaiWallet = quais.QuaiHDWallet.fromMnemonic(mnemonic)

It is highly recommended to import secret phrases securely from environment variables or files.

Derive Addresses

Quai HD wallets allow for derivation of multiple accounts, addresses, and specific zones from a single mnemonic as specified by BIP-32.

// derive new address for account '0' in 'Cyprus1' zone
const addressInfo1 = await quaiWallet.getNextAddress(0, quais.Zone.Cyprus1)

// derive new address for account '1' in 'Cyrpus2' zone
const addressInfo2 = await quaiWallet.getNextAddress(1, quais.Zone.Cyprus2)

The HD Wallet also provides a number of methods to return data for derived addresses by certain filters:

// get address info for account '0' new address '1'
const addressInfo = quaiWallet.getAddressInfo(addressInfo1.address)

// get all addresses for account '0' in 'Cyprus1' zone
const cyprus1addressInfo = quaiWallet.getAddressesForZone(quais.Zone.Cyprus1)

// get all addresses for account '0'
const account0Addresses = quaiWallet.getAddressesForAccount(0)

Storage and Transmission

Wallet storage and transmission can be securely done using a serialized representation of the wallet. The HD wallet provides functionality for both serializing and deserializing the wallet.

// serialize current (account/address) state of the wallet
const serializedWallet = quaiWallet.serialize()

// deserialize wallet from serialized data
const deserializedWallet = quais.QuaiHDWallet.deserialize(serializedWallet)

The QiHDWallet class manages Qi UTXO accounts and addresses.

Initialize a Qi HD Wallet

You can initialize a Qi HD wallet by creating a new instance from a mnemonic and syncing the UTXO set:

const quais = require('quais')

 // seed phrase
const phrase = 'pill tomorrow foster begin walnut borrow virtual kick shift mutual shoe scatter'

// initialize provider
const provider = new quais.JsonRpcProvider('https://rpc.quai.network', undefined, { usePathing: true })

// initialize HD wallet from mnemonic
const mnemonic = quais.Mnemonic.fromPhrase(phrase)
const qiWallet = quais.QiHDWallet.fromMnemonic(mnemonic)

// connect to provider and sync UTXO set
await qiWallet.connect(provider)
await qiWallet.scan(quais.Zone.Cyprus1)

To use a Qi HD wallet, you must first connect to a provider and sync the UTXO set. This will retrieve standard and change addresses, as well as scan the specified account for addresses with unspent outputs.

It is highly recommended to import secret phrases securely from environment variables or files.

Once scanning is complete, the addresses and outpoints can be retrieved using the following methods:

// get standard and change addresses
let addresses = qiWallet.getAddressesForZone(quais.Zone.Cyprus1);
let changeAddresses = qiWallet.getChangeAddressesForZone(quais.Zone.Cyprus1);

const address1 = addresses[0].address

// get outpoints for a specified zone
let zoneOutpoints = qiWallet.getOutpoints(quais.Zone.Cyprus1);
let addressOutpoints = qiWallet.getOutpointsByAddress(address1);

Derive Addresses

Qi HD wallets allow for derivation of multiple accounts, addresses, and specific zones from a single mnemonic as specified by BIP-32.

  // derive new address for account '0' and zone 'Cyprus1'
let newAddrInfo = await qiWallet.getNextAddress(0,quais.Zone.Cyprus1);

// derive new change address for account '1' and zone 'Cyprus2'
let newChangeAddrInfo = await qiWallet.getNextChangeAddress(1, quais.Zone.Cyprus2);

Storage and Transmission

Wallet storage and transmission can be securely done using a serialized representation of the wallet. The HD wallet provides functionality for both serializing and deserializing the wallet.

// serialize current (account/address) state of the wallet
const serializedWallet = qiWallet.serialize()

// deserialize wallet from serialized data
const deserializedWallet = quais.QiHDWallet.deserialize(serializedWallet)

시작하기

기초

참조

Initialize a Quai HD Wallet

Derive Addresses

Storage and Transmission

Initialize a Qi HD Wallet

Derive Addresses

Storage and Transmission

​Initialize a Quai HD Wallet

​Derive Addresses

​Storage and Transmission

​Initialize a Qi HD Wallet

​Derive Addresses

​Storage and Transmission

Initialize a Quai HD Wallet

Derive Addresses

Storage and Transmission

Initialize a Qi HD Wallet

Derive Addresses

Storage and Transmission