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treasure.go
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treasure.go
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package types
import (
"bytes"
"fmt"
sdk "github.com/furyaxyz/fuxchain/libs/cosmos-sdk/types"
"github.com/pkg/errors"
"sort"
)
//Treasure is the struct which has address and proportion of mint reward.
type Treasure struct {
//Treasure Address
Address sdk.AccAddress `json:"address" yaml:"address"`
// proportion of minted for treasure
Proportion sdk.Dec `json:"proportion" yaml:"proportion"`
}
func NewTreasure(address sdk.AccAddress, proportion sdk.Dec) *Treasure {
return &Treasure{
Address: address,
Proportion: proportion,
}
}
func (t Treasure) ValidateBasic() error {
// proportion must (0,1]. if proportion <= 0 or > 1
if t.Proportion.LTE(sdk.ZeroDec()) || t.Proportion.GT(sdk.OneDec()) {
return errors.New(fmt.Sprintf("treasure proportion should non-negative and less than one: %s", t.Proportion))
}
return nil
}
func ValidateTreasures(treasures []Treasure) error {
sumProportion := sdk.ZeroDec()
for i, _ := range treasures {
if err := treasures[i].ValidateBasic(); err != nil {
return err
}
sumProportion = sumProportion.Add(treasures[i].Proportion)
}
if sumProportion.IsNegative() || sumProportion.GT(sdk.OneDec()) {
return errors.New(fmt.Sprintf("the sum of treasure proportion should non-negative and less than one: %s", sumProportion))
}
return nil
}
func SortTreasures(treasures []Treasure) {
sort.Slice(treasures, func(i, j int) bool {
return bytes.Compare(treasures[i].Address.Bytes(), treasures[j].Address.Bytes()) > 0
})
}
func getMapFromTreasures(treasures []Treasure) map[string]Treasure {
temp := make(map[string]Treasure, 0)
for i, _ := range treasures {
temp[treasures[i].Address.String()] = treasures[i]
}
return temp
}
func getTreasuresFromMap(src map[string]Treasure) []Treasure {
result := make([]Treasure, 0)
for k, _ := range src {
result = append(result, src[k])
}
SortTreasures(result)
return result
}
func isTreasureDuplicated(treasures []Treasure) bool {
temp := make(map[string]Treasure, 0)
for i, _ := range treasures {
key := treasures[i].Address.String()
if _, ok := temp[key]; ok {
return true
}
temp[key] = treasures[i]
}
return false
}
func InsertAndUpdateTreasures(src, dst []Treasure) []Treasure {
temp := getMapFromTreasures(src)
for i, _ := range dst {
key := dst[i].Address.String()
temp[key] = dst[i]
}
return getTreasuresFromMap(temp)
}
func DeleteTreasures(src, dst []Treasure) ([]Treasure, error) {
temp := getMapFromTreasures(src)
for i, _ := range dst {
key := dst[i].Address.String()
if _, ok := temp[key]; !ok {
return nil, errors.New(fmt.Sprintf("can not delete %s,because it's not exist from treasures", key))
}
delete(temp, key)
}
return getTreasuresFromMap(temp), nil
}