Class Interpreter

gas

Readonlymemory

Readonlyregisters

calculateBlockGasCost

• calculateBlockGasCost(): Map<string, number>

  Returns Map<string, number>

dumpProgram

• dumpProgram(): (string | number)[][]

  Returns (string | number)[][]

getExitParam

• getExitParam(): U32 | null

  Get exit args. Needed in case of HOST or FAULT.

  Returns U32 | null

getMemoryPage

• getMemoryPage(pageNumber: number): Uint8Array<ArrayBufferLike> | null

  Parameters

  • pageNumber: number

  Returns Uint8Array<ArrayBufferLike> | null

getPC

• getPC(): number

  Get current Program Counter.

  Returns number

getStatus

• getStatus(): Status

  Get current Status.

  Returns Status

nextStep

• nextStep(): Status

  Returns Status

resetGeneric

• resetGeneric(
      rawProgram: Uint8Array,
      pc: number,
      gas: Gas,
      maybeRegisters?: Registers,
      maybeMemory?: Memory,
  ): void

  Prepare a generic (non-SPI) program to be executed.

  Parameters

  • rawProgram: Uint8Array
  • pc: number
  • gas: Gas
  • OptionalmaybeRegisters: Registers
  • OptionalmaybeMemory: Memory

  Returns void

resetJam

• resetJam(
      program: Uint8Array,
      args: Uint8Array,
      pc: number,
      gas: Gas,
      hasMetadata?: boolean,
  ): void

  Prepare SPI program to be executed.

  Parameters

  • program: Uint8Array
  • args: Uint8Array
  • pc: number
  • gas: Gas
  • hasMetadata: boolean = true

  Returns void

runProgram

• runProgram(): void

  Execute loaded program.

  Returns void

setNextPC

• setNextPC(nextPc: number): void

  Parameters

  • nextPc: number

  Returns void

Staticnew

• new(options?: InterpreterOptions): Interpreter

  Parameters

  • options: InterpreterOptions = {}

  Returns Interpreter