executor

type Backend struct {
	Ctx           context.Context
	Runtime       *runtime.Runtime
	Config        *config.Config
	Fxs           []*fxs.ParsedFx
	TypeToFxIndex map[reflect.Type]int
	Codec         codec.Manager
	// Note: FeeAssetID may be different than ctx.UTXOAssetID if this XVM is
	// running in a chain.
	FeeAssetID   ids.ID
	Bootstrapped bool

	// Chain IDs for cross-chain operations
	XChainID ids.ID
	CChainID ids.ID

	// Logger for this backend
	Log log.Logger

	// SharedMemory provides cross-chain atomic operations
	SharedMemory SharedMemory
}

type Executor struct {
	Codec          codec.Manager
	State          state.Chain // state will be modified
	Tx             *txs.Tx
	Inputs         set.Set[ids.ID]             // imported inputs
	AtomicRequests map[ids.ID]*atomic.Requests // may be nil
}

type SemanticVerifier struct {
	*Backend
	State state.ReadOnlyChain
	Tx    *txs.Tx
}

type SharedMemory interface {
	Get(peerChainID ids.ID, keys [][]byte) ([][]byte, error)
	Apply(requests map[ids.ID]interface{}, batch ...interface{}) error
}

type SyntacticVerifier struct {
	*Backend
	Tx *txs.Tx
}