utils

Documentation

Index

• Variables
• func ConvertHexToBigInt(hexStr string) (*big.Int, error)
• func ConvertToEtherDecimal(amount string, decimal int) (string, error)
• func DecodeBig(input string) (*big.Int, error)
• func DivideLargeNumbers(numeratorStr, denominatorStr string, precision int) (string, error)
• func EtherToWei(amountStr string) (*big.Int, error)
• func FormatHex(hex string) (string, error)
• func FormatHexToEther(hex string, precision ...int) (string, error)
• func HexToDecimal(hexStr string) (*big.Int, error)
• func HexToString(hexStr string, precision ...int) (string, error)
• func HexToText(hexString string) (string, error)
• func MultiplyDecimal(denominatorStr string, precision int) (string, error)
• func ParseEther(big string, precision ...int) (string, error)

Variables

var (
	ErrEmptyString   = &decError{"empty hex string"}
	ErrSyntax        = &decError{"invalid hex string"}
	ErrMissingPrefix = &decError{"hex string without 0x prefix"}
	ErrOddLength     = &decError{"hex string of odd length"}
	ErrEmptyNumber   = &decError{"hex string \"0x\""}
	ErrLeadingZero   = &decError{"hex number with leading zero digits"}
	ErrUint64Range   = &decError{"hex number > 64 bits"}
	ErrUintRange     = &decError{fmt.Sprintf("hex number > %d bits", uintBits)}
	ErrBig256Range   = &decError{"hex number > 256 bits"}
)

Functions

func ConvertHexToBigInt

func ConvertHexToBigInt(hexStr string) (*big.Int, error)

func ConvertToEtherDecimal

func ConvertToEtherDecimal(amount string, decimal int) (string, error)

func DecodeBig

func DecodeBig(input string) (*big.Int, error)

DecodeBig decodes a hex string with 0x prefix as a quantity. Numbers larger than 256 bits are not accepted.

func DivideLargeNumbers

func DivideLargeNumbers(numeratorStr, denominatorStr string, precision int) (string, error)

func EtherToWei

func EtherToWei(amountStr string) (*big.Int, error)

This function converts ether to wei

func FormatHex

func FormatHex(hex string) (string, error)

func FormatHexToEther

func FormatHexToEther(hex string, precision ...int) (string, error)

This util converts Hex value to ethers and return it as ether format in 18 decimals

func HexToDecimal

func HexToDecimal(hexStr string) (*big.Int, error)

func HexToString

func HexToString(hexStr string, precision ...int) (string, error)

func HexToText

func HexToText(hexString string) (string, error)

func MultiplyDecimal

func MultiplyDecimal(denominatorStr string, precision int) (string, error)

func ParseEther

func ParseEther(big string, precision ...int) (string, error)

This util converts ether value to wei in 18 decimals by default if the precision is not specified