host

Documentation

Index

• Constants
• Variables
• func AddFinishData(vmOutput *vmcommon.VMOutput, data []byte)
• func AddNewOutputAccount(vmOutput *vmcommon.VMOutput, sender []byte, address []byte, balanceDelta int64, ...) *vmcommon.OutputAccount
• func AddTestSmartContractToWorld(world *worldmock.MockWorld, identifier string, code []byte) *worldmock.Account
• func DefaultTestContractCallInput() *vmcommon.ContractCallInput
• func DefaultTestContractCreateInput() *vmcommon.ContractCreateInput
• func GetSCCode(fileName string) []byte
• func GetTestSCCode(scName string, prefixToTestSCs string) []byte
• func GetTestSCCodeModule(scName string, moduleName string, prefixToTestSCs string) []byte
• func LoadGasScheduleConfig(filepath string) (config.GasScheduleMap, error)
• func LoadTomlFileToMap(relativePath string) (map[string]interface{}, error)
• func MakeTestSCAddress(identifier string) []byte
• func MakeVMOutput() *vmcommon.VMOutput
• func NewArwenVM(blockChainHook vmcommon.BlockchainHook, hostParameters *arwen.VMHostParameters) (*vmHost, error)
• func OpenFile(relativePath string) (*os.File, error)
• func SetStorageUpdate(account *vmcommon.OutputAccount, key []byte, data []byte)
• func SetStorageUpdateStrings(account *vmcommon.OutputAccount, key string, data string)
• func TryCatch(try TryFunction, catch CatchFunction, catchFallbackMessage string)
• type CatchFunction
• type TryFunction

Constants

const AddressSize = 32

Variables

var MaximumWasmerInstanceCount = uint64(10)

MaximumWasmerInstanceCount represents the maximum number of Wasmer instances that can be active at the same time

var SCAddressPrefix = []byte("\x00\x00\x00\x00\x00\x00\x00\x00\x0f\x0f")

Functions

func AddFinishData

func AddFinishData(vmOutput *vmcommon.VMOutput, data []byte)

AddFinishData appends the provided []byte to the ReturnData of the given vmOutput

func AddNewOutputAccount

func AddNewOutputAccount(vmOutput *vmcommon.VMOutput, sender []byte, address []byte, balanceDelta int64, data []byte) *vmcommon.OutputAccount

AddNewOutputAccount creates a new vmcommon.OutputAccount from the provided arguments and adds it to OutputAccounts of the provided vmOutput

func AddTestSmartContractToWorld

func AddTestSmartContractToWorld(world *worldmock.MockWorld, identifier string, code []byte) *worldmock.Account

func DefaultTestContractCallInput

func DefaultTestContractCallInput() *vmcommon.ContractCallInput

DefaultTestContractCallInput creates a vmcommon.ContractCallInput struct with default values

func DefaultTestContractCreateInput

func DefaultTestContractCreateInput() *vmcommon.ContractCreateInput

DefaultTestContractCreateInput creates a vmcommon.ContractCreateInput struct with default values

func GetSCCode

func GetSCCode(fileName string) []byte

GetSCCode retrieves the bytecode of a WASM module from a file

func GetTestSCCode

func GetTestSCCode(scName string, prefixToTestSCs string) []byte

GetTestSCCode retrieves the bytecode of a WASM testing contract

func GetTestSCCodeModule

func GetTestSCCodeModule(scName string, moduleName string, prefixToTestSCs string) []byte

GetTestSCCodeModule retrieves the bytecode of a WASM testing contract, given a specific name of the WASM module

func LoadGasScheduleConfig

func LoadGasScheduleConfig(filepath string) (config.GasScheduleMap, error)

LoadGasScheduleConfig parses and prepares a gas schedule read from file.

func LoadTomlFileToMap

func LoadTomlFileToMap(relativePath string) (map[string]interface{}, error)

LoadTomlFileToMap opens and decodes a toml file as a map[string]interface{}

func MakeTestSCAddress

func MakeTestSCAddress(identifier string) []byte

func MakeVMOutput

func MakeVMOutput() *vmcommon.VMOutput

MakeVMOutput creates a vmcommon.VMOutput struct with default values

func NewArwenVM

func NewArwenVM(
	blockChainHook vmcommon.BlockchainHook,
	hostParameters *arwen.VMHostParameters,
) (*vmHost, error)

NewArwenVM creates a new Arwen vmHost

func OpenFile

func OpenFile(relativePath string) (*os.File, error)

OpenFile method opens the file from given path - does not close the file

func SetStorageUpdate

func SetStorageUpdate(account *vmcommon.OutputAccount, key []byte, data []byte)

SetStorageUpdate sets a storage update to the provided vmcommon.OutputAccount

func SetStorageUpdateStrings

func SetStorageUpdateStrings(account *vmcommon.OutputAccount, key string, data string)

SetStorageUpdateStrings sets a storage update to the provided vmcommon.OutputAccount, from string arguments

func TryCatch

func TryCatch(try TryFunction, catch CatchFunction, catchFallbackMessage string)

TryCatch simulates a try/catch block using golang's recover() functionality

Types

type CatchFunction

type CatchFunction func(error)

CatchFunction corresponds to the catch() part of a try / catch block

type TryFunction

type TryFunction func()

TryFunction corresponds to the try() part of a try / catch block