neoneo-go/pkg/util/fixed8.go
Anthony De Meulemeester 94672cb9cc
Persistance (#53)
* added publish TX for backwards compat.

* lowered the prototick for faster block syncing

* print useragent on startup

* added createMultiRedeemScript for genesis block generation.

* building genesis block from scratch.

* implemented merkle tree.

* starting blockhain with generated genesis hash

* Fixed bug in unspent coin state.

* fixed broken tests after genesis block.

* removed log line.

* bumped version -> 0.34.0
2018-03-25 12:45:54 +02:00

43 lines
852 B
Go

package util
import (
"bytes"
"strconv"
)
const decimals = 100000000
// Fixed8 represents a fixed-point number with precision 10^-8.
type Fixed8 int64
// String implements the Stringer interface.
func (f Fixed8) String() string {
buf := new(bytes.Buffer)
val := int64(f)
if val < 0 {
buf.WriteRune('-')
val = -val
}
str := strconv.FormatInt(val/decimals, 10)
buf.WriteString(str)
val %= decimals
if val > 0 {
buf.WriteRune('.')
str = strconv.FormatInt(val, 10)
for i := len(str); i < 8; i++ {
buf.WriteRune('0')
}
buf.WriteString(str)
}
return buf.String()
}
// Value returns the original value representing the Fixed8.
func (f Fixed8) Value() int64 {
return int64(f) / int64(decimals)
}
// NewFixed8 return a new Fixed8 type multiplied by decimals.
func NewFixed8(val int) Fixed8 {
return Fixed8(decimals * val)
}