util

Documentation

Index

• Constants
• func BytesToUint256(b []byte) *uint256.Int
• func BytesToUint32(b []byte) uint32
• func BytesToUint64(b []byte) uint64
• func EncodeToJsonHelper(arg interface{}) string
• func FileExists(path string) bool
• func GetFileSize(filepath string) (int64, error)
• func IsBitSet(bytes []byte, bitPosition int) bool
• func IsValidURI(u string) bool
• func MakeTimestamp() uint64
• func Max[T constraints.Ordered](a, b T) T
• func Min[T constraints.Ordered](a, b T) T
• func ReadJsonFile[T any](path string, res *T) (*T, error)
• func ShuffleSliceCopy[T any](src []T) (dst []T)
• func Uint256ToBytes(i *uint256.Int) []byte
• func Uint32ToBytes(i uint32) []byte
• func Uint64ToBytes(i uint64) []byte
• func Uint64ToBytes32(n uint64) []byte
• func WriteCBORError(w http.ResponseWriter, e error, code int)
• func WriteCBORResponse(w http.ResponseWriter, response any, statusCode int)
• func WriteDebugJsonLog(l log.Logger, m string, arg interface{})
• func WriteJsonFile[T any](path string, obj *T) error
• func WriteTraceJsonLog(l log.Logger, m string, arg interface{})

Constants

const GenesisTime uint64 = 1681971084

GenesisTime min timestamp Thursday, April 20, 2023 6:11:24 AM GMT+00:00

Functions

func BytesToUint256

func BytesToUint256(b []byte) *uint256.Int

func BytesToUint32

func BytesToUint32(b []byte) uint32

func BytesToUint64

func BytesToUint64(b []byte) uint64

func EncodeToJsonHelper

func EncodeToJsonHelper(arg interface{}) string

EncodeToJsonHelper encodes to argument to json and returns it as string, on encode error return error message as string

func FileExists

func FileExists(path string) bool

func GetFileSize

func GetFileSize(filepath string) (int64, error)

func IsBitSet

func IsBitSet(bytes []byte, bitPosition int) bool

func IsValidURI

func IsValidURI(u string) bool

func MakeTimestamp

func MakeTimestamp() uint64

MakeTimestamp returns timestamp in seconds from epoch

func Max

func Max[T constraints.Ordered](a, b T) T

func Min

func Min[T constraints.Ordered](a, b T) T

func ReadJsonFile

func ReadJsonFile[T any](path string, res *T) (*T, error)

func ShuffleSliceCopy

func ShuffleSliceCopy[T any](src []T) (dst []T)

func Uint256ToBytes

func Uint256ToBytes(i *uint256.Int) []byte

func Uint32ToBytes

func Uint32ToBytes(i uint32) []byte

func Uint64ToBytes

func Uint64ToBytes(i uint64) []byte

func Uint64ToBytes32

func Uint64ToBytes32(n uint64) []byte

func WriteCBORError

func WriteCBORError(w http.ResponseWriter, e error, code int)

WriteCBORError replies to the request with the specified error message and HTTP code. It does not otherwise end the request; the caller should ensure no further writes are done to w.

func WriteCBORResponse

func WriteCBORResponse(w http.ResponseWriter, response any, statusCode int)

WriteCBORResponse replies to the request with the given response and HTTP code.

func WriteDebugJsonLog

func WriteDebugJsonLog(l log.Logger, m string, arg interface{})

func WriteJsonFile

func WriteJsonFile[T any](path string, obj *T) error

func WriteTraceJsonLog

func WriteTraceJsonLog(l log.Logger, m string, arg interface{})