computation

Documentation

Index

• Constants
• Variables
• type ComputationManager
• type Manager
  • func New(logger zerolog.Logger, metrics module.ExecutionMetrics, tracer module.Tracer, ...) (*Manager, error)
  • func (e *Manager) ComputeBlock(ctx context.Context, block *entity.ExecutableBlock, view state.View) (*execution.ComputationResult, error)
  • func (e *Manager) ExecuteScript(code []byte, arguments [][]byte, blockHeader *flow.Header, view state.View) ([]byte, error)
  • func (e *Manager) GetAccount(address flow.Address, blockHeader *flow.Header, view state.View) (*flow.Account, error)
• type ProgramsCache
  • func NewProgramsCache(size uint) (*ProgramsCache, error)
  • func (pc *ProgramsCache) Get(blockID flow.Identifier) *programs.Programs
  • func (pc *ProgramsCache) Set(blockId flow.Identifier, programs *programs.Programs)
• type VirtualMachine

Constants

const DefaultProgramsCacheSize = 1000

const MaxScriptErrorMessageSize = 1000 // 1000 chars

Variables

var DefaultScriptLogThreshold = 1 * time.Second

Types

type ComputationManager

type ComputationManager interface {
	ExecuteScript([]byte, [][]byte, *flow.Header, state.View) ([]byte, error)
	ComputeBlock(
		ctx context.Context,
		block *entity.ExecutableBlock,
		view state.View,
	) (*execution.ComputationResult, error)
	GetAccount(addr flow.Address, header *flow.Header, view state.View) (*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,
	vm VirtualMachine,
	vmCtx fvm.Context,
	programsCacheSize uint,
	committer computer.ViewCommitter,
	scriptLogThreshold time.Duration,
	uploaders []uploader.Uploader,
) (*Manager, error)

func (*Manager) ComputeBlock

func (e *Manager) ComputeBlock(
	ctx context.Context,
	block *entity.ExecutableBlock,
	view state.View,
) (*execution.ComputationResult, error)

func (*Manager) ExecuteScript

func (e *Manager) ExecuteScript(code []byte, arguments [][]byte, blockHeader *flow.Header, view state.View) ([]byte, error)

func (*Manager) GetAccount

func (e *Manager) GetAccount(address flow.Address, blockHeader *flow.Header, view state.View) (*flow.Account, error)

type ProgramsCache

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

func NewProgramsCache

func NewProgramsCache(size uint) (*ProgramsCache, error)

func (*ProgramsCache) Get

func (pc *ProgramsCache) Get(blockID flow.Identifier) *programs.Programs

func (*ProgramsCache) Set

func (pc *ProgramsCache) Set(blockId flow.Identifier, programs *programs.Programs)

type VirtualMachine

type VirtualMachine interface {
	Run(fvm.Context, fvm.Procedure, state.View, *programs.Programs) error
	GetAccount(fvm.Context, flow.Address, state.View, *programs.Programs) (*flow.Account, error)
}