wasmtime

Documentation

Index

• Constants
• func NewWASMTimeRuntime(ctx context.Context, logger types.Logger, code []byte, ...) (out types.AspectRuntime, err error)
• func Wrap(api *types.HostAPIRegistry, module types.Module, ns types.NameSpace, ...) (interface{}, error)
• type Context
  • func NewContext(ctx context.Context, logger types.Logger) *Context
  • func (c *Context) AddEVMGas(gas int64) error
  • func (c *Context) AllocMemory(size int32) (int32, error)
  • func (c *Context) ConsumeWASMGas(gas int64) error
  • func (c *Context) Logger() types.Logger
  • func (c *Context) ReadMemory(ptr int32, size int32) ([]byte, error)
  • func (c *Context) RemainingEVMGas() (int64, error)
  • func (c *Context) RemainingWASMGas() (int64, error)
  • func (c *Context) Reset()
  • func (c *Context) SetWASMGas(gas int64) error
  • func (c *Context) WriteMemory(ptr int32, data []byte) error

Constants

const (
	MaxMemorySize = 32 * 1024 * 1024
)

Functions

func NewWASMTimeRuntime

func NewWASMTimeRuntime(ctx context.Context, logger types.Logger, code []byte, apis *types.HostAPIRegistry) (out types.AspectRuntime, err error)

func Wrap

func Wrap(api *types.HostAPIRegistry, module types.Module, ns types.NameSpace, method types.MethodName,
	hostFunc *types.HostFuncWithGasRule) (interface{}, error)

Types

type Context

type Context struct {
	context.Context

	// memory *Memory
	Instance *wasmtime.Instance
	Store    *wasmtime.Store
	// contains filtered or unexported fields
}

func NewContext

func NewContext(ctx context.Context, logger types.Logger) *Context

func (*Context) AddEVMGas

func (c *Context) AddEVMGas(gas int64) error

func (*Context) AllocMemory

func (c *Context) AllocMemory(size int32) (int32, error)

func (*Context) ConsumeWASMGas

func (c *Context) ConsumeWASMGas(gas int64) error

func (*Context) Logger

func (c *Context) Logger() types.Logger

func (*Context) ReadMemory

func (c *Context) ReadMemory(ptr int32, size int32) ([]byte, error)

func (*Context) RemainingEVMGas

func (c *Context) RemainingEVMGas() (int64, error)

func (*Context) RemainingWASMGas

func (c *Context) RemainingWASMGas() (int64, error)

func (*Context) Reset

func (c *Context) Reset()

func (*Context) SetWASMGas

func (c *Context) SetWASMGas(gas int64) error

func (*Context) WriteMemory

func (c *Context) WriteMemory(ptr int32, data []byte) error