computation

Documentation

Index

• Constants
• func DefaultFVMOptions(chainID flow.ChainID, cadenceTracing bool, extensiveTracing bool) []fvm.Option
• type ComputationConfig
• type ComputationManager
• type Manager
  • func New(logger zerolog.Logger, metrics module.ExecutionMetrics, tracer module.Tracer, ...) (*Manager, error)
  • func (e *Manager) ComputeBlock(ctx context.Context, parentBlockExecutionResultID flow.Identifier, ...) (*execution.ComputationResult, error)
  • func (e *Manager) ExecuteScript(ctx context.Context, code []byte, arguments [][]byte, blockHeader *flow.Header, ...) ([]byte, error)
  • func (e *Manager) GetAccount(ctx context.Context, address flow.Address, blockHeader *flow.Header, ...) (*flow.Account, error)
  • func (e *Manager) QueryExecutor() query.Executor
  • func (e *Manager) VM() fvm.VM

Constants

const (
	ReusableCadenceRuntimePoolSize = 1000
)

Functions

func DefaultFVMOptions

func DefaultFVMOptions(chainID flow.ChainID, cadenceTracing bool, extensiveTracing bool) []fvm.Option

Types

type ComputationConfig

type ComputationConfig struct {
	query.QueryConfig
	CadenceTracing       bool
	ExtensiveTracing     bool
	DerivedDataCacheSize uint
	MaxConcurrency       int

	// When NewCustomVirtualMachine is nil, the manager will create a standard
	// fvm virtual machine via fvm.NewVirtualMachine.  Otherwise, the manager
	// will create a virtual machine using this function.
	//
	// Note that this is primarily used for testing.
	NewCustomVirtualMachine func() fvm.VM
}

type ComputationManager

type ComputationManager interface {
	ExecuteScript(
		ctx context.Context,
		script []byte,
		arguments [][]byte,
		blockHeader *flow.Header,
		snapshot snapshot.StorageSnapshot,
	) (
		[]byte,
		error,
	)

	ComputeBlock(
		ctx context.Context,
		parentBlockExecutionResultID flow.Identifier,
		block *entity.ExecutableBlock,
		snapshot snapshot.StorageSnapshot,
	) (
		*execution.ComputationResult,
		error,
	)

	GetAccount(
		ctx context.Context,
		addr flow.Address,
		header *flow.Header,
		snapshot snapshot.StorageSnapshot,
	) (
		*flow.Account,
		error,
	)
}

type Manager

type Manager struct {
	// contains filtered or unexported fields
}

Manager manages computation and execution

func New

func New(
	logger zerolog.Logger,
	metrics module.ExecutionMetrics,
	tracer module.Tracer,
	me module.Local,
	protoState protocol.State,
	vmCtx fvm.Context,
	committer computer.ViewCommitter,
	executionDataProvider provider.Provider,
	params ComputationConfig,
) (*Manager, error)

func (*Manager) ComputeBlock

func (e *Manager) ComputeBlock(
	ctx context.Context,
	parentBlockExecutionResultID flow.Identifier,
	block *entity.ExecutableBlock,
	snapshot snapshot.StorageSnapshot,
) (*execution.ComputationResult, error)

func (*Manager) ExecuteScript

func (e *Manager) ExecuteScript(
	ctx context.Context,
	code []byte,
	arguments [][]byte,
	blockHeader *flow.Header,
	snapshot snapshot.StorageSnapshot,
) ([]byte, error)

func (*Manager) GetAccount

func (e *Manager) GetAccount(
	ctx context.Context,
	address flow.Address,
	blockHeader *flow.Header,
	snapshot snapshot.StorageSnapshot,
) (
	*flow.Account,
	error,
)

func (*Manager) QueryExecutor

func (e *Manager) QueryExecutor() query.Executor

func (*Manager) VM

func (e *Manager) VM() fvm.VM