vpsbt

type InteractiveVPacket struct {
	// AssetID is the 32-byte asset identifier.
	AssetID [32]byte

	// Amount is the number of asset units to send.
	Amount uint64

	// ScriptKey is the receiver's script key (tweaked Taproot output key).
	ScriptKey [33]byte

	// AnchorInternalKey is the receiver's anchor output internal key.
	AnchorInternalKey [33]byte

	// AnchorKeyLocator identifies the anchor key's derivation path.
	AnchorKeyLocator KeyLocator

	// AltLeaves optionally carries auxiliary Taproot leaves that should be
	// committed to the output's Taproot Asset tree.
	AltLeaves [][]byte

	// LockTime is the optional lock time for the output.
	LockTime uint64

	// RelativeLockTime is the optional relative lock time.
	RelativeLockTime uint64

	// AnchorOutputIndex is the index of the anchor output in the BTC tx.
	AnchorOutputIndex uint32

	// AssetVersion is the version of the asset (V0 or V1).
	AssetVersion uint8

	// NetworkHRP is the chain params HRP.
	NetworkHRP string

	// CoinType is the BIP-44 coin type for derivation paths.
	CoinType uint32
}

type KeyLocator struct {
	// Family is the hardened key family.
	Family uint32

	// Index is the non-hardened key index.
	Index uint32
}