util

Documentation

Index

• Variables
• func CleanPackedAmount(amount *big.Int) (nAmount *big.Int, err error)
• func CleanPackedFee(amount *big.Int) (nAmount *big.Int, err error)
• func HashToInt(b bytes.Buffer, h hash.Hash) (*big.Int, error)
• func ToPackedAmount(amount *big.Int) (res int64, err error)
• func ToPackedFee(amount *big.Int) (res int64, err error)

Variables

var (
	// 2^35 - 1
	PackedAmountMaxMantissa = big.NewInt(34359738367)
	// 2^11 - 1
	PackedFeeMaxMantissa  = big.NewInt(2047)
	PackedAmountMaxAmount = ffmath.Multiply(big.NewInt(34359738367), new(big.Int).Exp(big.NewInt(10), big.NewInt(31), nil))
	PackedFeeMaxAmount    = ffmath.Multiply(big.NewInt(2047), new(big.Int).Exp(big.NewInt(10), big.NewInt(31), nil))
	ZeroBigInt            = big.NewInt(0)
)

Functions

func CleanPackedAmount

func CleanPackedAmount(amount *big.Int) (nAmount *big.Int, err error)

func CleanPackedFee

func CleanPackedFee(amount *big.Int) (nAmount *big.Int, err error)

func HashToInt

func HashToInt(b bytes.Buffer, h hash.Hash) (*big.Int, error)

func ToPackedAmount

func ToPackedAmount(amount *big.Int) (res int64, err error)

ToPackedAmount: convert big int to 40 bit, 5 bits for 10^x, 35 bits for a * 10^x

func ToPackedFee

func ToPackedFee(amount *big.Int) (res int64, err error)

ToPackedFee: convert big int to 16 bit, 5 bits for 10^x, 11 bits for a * 10^x