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Documentation

Index

• Constants
• func AddAllUTXOs(ctx context.Context, utxos walletcommon.UTXOs, client UTXOClient, ...) error
• type AVAXState
  • func FetchState(ctx context.Context, uri string, addrs set.Set[ids.ShortID]) (*AVAXState, error)
• type EthState
  • func FetchEthState(ctx context.Context, uri string, addrs set.Set[ethcommon.Address]) (*EthState, error)
• type UTXOClient
• type Wallet
  • func MakeWallet(ctx context.Context, config *WalletConfig) (Wallet, error)
  • func NewWallet(p p.Wallet, x x.Wallet, c c.Wallet) Wallet
  • func NewWalletWithOptions(w Wallet, options ...common.Option) Wallet
• type WalletConfig

Examples

• Wallet

Constants

const (
	MainnetAPIURI = "https://api.metalblockchain.org"
	TahoeAPIURI   = "https://tahoe.metalblockchain.org"
	LocalAPIURI   = "http://localhost:9650"
)

Functions

func AddAllUTXOs

func AddAllUTXOs(
	ctx context.Context,
	utxos walletcommon.UTXOs,
	client UTXOClient,
	codec codec.Manager,
	sourceChainID ids.ID,
	destinationChainID ids.ID,
	addrs []ids.ShortID,
) error

AddAllUTXOs fetches all the UTXOs referenced by [addresses] that were sent from [sourceChainID] to [destinationChainID] from the [client]. It then uses codec to parse the returned UTXOs and it adds them into [utxos]. If [ctx] expires, then the returned error will be immediately reported.

Types

type AVAXState

type AVAXState struct {
	PClient platformvm.Client
	PCTX    p.Context
	XClient avm.Client
	XCTX    x.Context
	CClient evm.Client
	CCTX    c.Context
	UTXOs   walletcommon.UTXOs
}

func FetchState

func FetchState(
	ctx context.Context,
	uri string,
	addrs set.Set[ids.ShortID],
) (
	*AVAXState,
	error,
)

type EthState

type EthState struct {
	Client   ethclient.Client
	Accounts map[ethcommon.Address]*c.Account
}

func FetchEthState

func FetchEthState(
	ctx context.Context,
	uri string,
	addrs set.Set[ethcommon.Address],
) (*EthState, error)

type UTXOClient

type UTXOClient interface {
	GetAtomicUTXOs(
		ctx context.Context,
		addrs []ids.ShortID,
		sourceChain string,
		limit uint32,
		startAddress ids.ShortID,
		startUTXOID ids.ID,
		options ...rpc.Option,
	) ([][]byte, ids.ShortID, ids.ID, error)
}

type Wallet

type Wallet interface {
	P() p.Wallet
	X() x.Wallet
	C() c.Wallet
}

Wallet provides chain wallets for the primary network.

Example

ctx := context.Background()
kc := secp256k1fx.NewKeychain(genesis.EWOQKey)

// MakeWallet fetches the available UTXOs owned by [kc] on the network that
// [LocalAPIURI] is hosting.
walletSyncStartTime := time.Now()
wallet, err := MakeWallet(ctx, &WalletConfig{
	URI:          LocalAPIURI,
	AVAXKeychain: kc,
	EthKeychain:  kc,
})
if err != nil {
	log.Fatalf("failed to initialize wallet with: %s\n", err)
	return
}
log.Printf("synced wallet in %s\n", time.Since(walletSyncStartTime))

// Get the P-chain and the X-chain wallets
pWallet := wallet.P()
xWallet := wallet.X()

// Pull out useful constants to use when issuing transactions.
xChainID := xWallet.BlockchainID()
owner := &secp256k1fx.OutputOwners{
	Threshold: 1,
	Addrs: []ids.ShortID{
		genesis.EWOQKey.PublicKey().Address(),
	},
}

// Create a custom asset to send to the P-chain.
createAssetStartTime := time.Now()
createAssetTx, err := xWallet.IssueCreateAssetTx(
	"RnM",
	"RNM",
	9,
	map[uint32][]verify.State{
		0: {
			&secp256k1fx.TransferOutput{
				Amt:          100 * units.MegaAvax,
				OutputOwners: *owner,
			},
		},
	},
)
if err != nil {
	log.Fatalf("failed to create new X-chain asset with: %s\n", err)
	return
}
createAssetTxID := createAssetTx.ID()
log.Printf("created X-chain asset %s in %s\n", createAssetTxID, time.Since(createAssetStartTime))

// Send 100 MegaAvax to the P-chain.
exportStartTime := time.Now()
exportTx, err := xWallet.IssueExportTx(
	constants.PlatformChainID,
	[]*avax.TransferableOutput{
		{
			Asset: avax.Asset{
				ID: createAssetTxID,
			},
			Out: &secp256k1fx.TransferOutput{
				Amt:          100 * units.MegaAvax,
				OutputOwners: *owner,
			},
		},
	},
)
if err != nil {
	log.Fatalf("failed to issue X->P export transaction with: %s\n", err)
	return
}
exportTxID := exportTx.ID()
log.Printf("issued X->P export %s in %s\n", exportTxID, time.Since(exportStartTime))

// Import the 100 MegaAvax from the X-chain into the P-chain.
importStartTime := time.Now()
importTx, err := pWallet.IssueImportTx(xChainID, owner)
if err != nil {
	log.Fatalf("failed to issue X->P import transaction with: %s\n", err)
	return
}
importTxID := importTx.ID()
log.Printf("issued X->P import %s in %s\n", importTxID, time.Since(importStartTime))

createSubnetStartTime := time.Now()
createSubnetTx, err := pWallet.IssueCreateSubnetTx(owner)
if err != nil {
	log.Fatalf("failed to issue create subnet transaction with: %s\n", err)
	return
}
createSubnetTxID := createSubnetTx.ID()
log.Printf("issued create subnet transaction %s in %s\n", createSubnetTxID, time.Since(createSubnetStartTime))

transformSubnetStartTime := time.Now()
transformSubnetTx, err := pWallet.IssueTransformSubnetTx(
	createSubnetTxID,
	createAssetTxID,
	50*units.MegaAvax,
	100*units.MegaAvax,
	reward.PercentDenominator,
	reward.PercentDenominator,
	1,
	100*units.MegaAvax,
	time.Second,
	365*24*time.Hour,
	0,
	1,
	5,
	.80*reward.PercentDenominator,
)
if err != nil {
	log.Fatalf("failed to issue transform subnet transaction with: %s\n", err)
	return
}
transformSubnetTxID := transformSubnetTx.ID()
log.Printf("issued transform subnet transaction %s in %s\n", transformSubnetTxID, time.Since(transformSubnetStartTime))

addPermissionlessValidatorStartTime := time.Now()
startTime := time.Now().Add(time.Minute)
addSubnetValidatorTx, err := pWallet.IssueAddPermissionlessValidatorTx(
	&txs.SubnetValidator{
		Validator: txs.Validator{
			NodeID: genesis.LocalConfig.InitialStakers[0].NodeID,
			Start:  uint64(startTime.Unix()),
			End:    uint64(startTime.Add(5 * time.Second).Unix()),
			Wght:   25 * units.MegaAvax,
		},
		Subnet: createSubnetTxID,
	},
	&signer.Empty{},
	createAssetTx.ID(),
	&secp256k1fx.OutputOwners{},
	&secp256k1fx.OutputOwners{},
	reward.PercentDenominator,
)
if err != nil {
	log.Fatalf("failed to issue add subnet validator with: %s\n", err)
	return
}
addSubnetValidatorTxID := addSubnetValidatorTx.ID()
log.Printf("issued add subnet validator transaction %s in %s\n", addSubnetValidatorTxID, time.Since(addPermissionlessValidatorStartTime))

addPermissionlessDelegatorStartTime := time.Now()
addSubnetDelegatorTx, err := pWallet.IssueAddPermissionlessDelegatorTx(
	&txs.SubnetValidator{
		Validator: txs.Validator{
			NodeID: genesis.LocalConfig.InitialStakers[0].NodeID,
			Start:  uint64(startTime.Unix()),
			End:    uint64(startTime.Add(5 * time.Second).Unix()),
			Wght:   25 * units.MegaAvax,
		},
		Subnet: createSubnetTxID,
	},
	createAssetTxID,
	&secp256k1fx.OutputOwners{},
)
if err != nil {
	log.Fatalf("failed to issue add subnet delegator with: %s\n", err)
	return
}
addSubnetDelegatorTxID := addSubnetDelegatorTx.ID()
log.Printf("issued add subnet validator delegator %s in %s\n", addSubnetDelegatorTxID, time.Since(addPermissionlessDelegatorStartTime))

func MakeWallet

func MakeWallet(ctx context.Context, config *WalletConfig) (Wallet, error)

MakeWallet returns a wallet that supports issuing transactions to the chains living in the primary network.

On creation, the wallet attaches to the provided uri and fetches all UTXOs that reference any of the provided keys. If the UTXOs are modified through an external issuance process, such as another instance of the wallet, the UTXOs may become out of sync. The wallet will also fetch all requested P-chain transactions.

The wallet manages all state locally, and performs all tx signing locally.

func NewWallet

func NewWallet(p p.Wallet, x x.Wallet, c c.Wallet) Wallet

Creates a new default wallet

func NewWalletWithOptions

func NewWalletWithOptions(w Wallet, options ...common.Option) Wallet

Creates a Wallet with the given set of options

type WalletConfig

type WalletConfig struct {
	// Base URI to use for all node requests.
	URI string // required
	// Keys to use for signing all transactions.
	AVAXKeychain keychain.Keychain // required
	EthKeychain  c.EthKeychain     // required
	// Set of P-chain transactions that the wallet should know about to be able
	// to generate transactions.
	PChainTxs map[ids.ID]*txs.Tx // optional
	// Set of P-chain transactions that the wallet should fetch to be able to
	// generate transactions.
	PChainTxsToFetch set.Set[ids.ID] // optional
}