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invariable.coin.go
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/
invariable.coin.go
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package bk
import (
"fmt"
"github.com/hootuu/tome/ki"
"github.com/hootuu/tome/uc"
"github.com/hootuu/tome/vn"
"github.com/hootuu/utils/errors"
"strconv"
"time"
)
const (
InvariableCoinType Type = "hotu.coin"
InvariableCoinVersion = DefaultVersion
)
type CoinLead struct {
Coin uc.Code `json:"coin"`
Invariable BID `json:"invariable"`
}
func (lead *CoinLead) S() string {
return fmt.Sprintf("coin=%s;invariable=%s", lead.Coin, lead.Invariable)
}
type InvariableCoin struct {
Type Type `json:"type"`
Version Version `json:"version"`
Vn *VNLead `json:"vn"`
Coin *CoinLead `bson:"coin" json:"coin"`
Wei uc.WEI `bson:"wei" json:"wei"`
Infinite bool `bson:"infinite" json:"infinite"`
Issuance *uc.Amount `bson:"issuance" json:"issuance"`
Timestamp int64 `json:"timestamp"`
Signature []byte `json:"signature"`
}
func NewInvariableCoin(
vnLead *VNLead,
coin *CoinLead,
wei uc.WEI,
infinite bool,
issuance *uc.Amount,
guardian *ki.Ki,
) (*InvariableCoin, *errors.Error) {
i := &InvariableCoin{
Type: InvariableCoinType,
Version: InvariableCoinVersion,
Vn: vnLead,
Coin: coin,
Wei: wei,
Infinite: infinite,
Issuance: issuance,
Timestamp: time.Now().UnixMilli(),
Signature: nil,
}
var err *errors.Error
i.Signature, err = i.Sign(guardian.PRI)
if err != nil {
return nil, err
}
return i, nil
}
func (i *InvariableCoin) getSignBuilder() *SignBuilder {
return NewSignBuilder().
Add("type", i.Type.S()).
Add("version", i.Version.S()).
Add("vn", i.Vn.S()).
Add("coin", i.Coin.S()).
Add("wei", i.Wei.S()).
Add("infinite", strconv.FormatBool(i.Infinite)).
Add("issuance", i.Issuance.S()).
Add("timestamp", fmt.Sprintf("%d", i.Timestamp))
}
func (i *InvariableCoin) Sign(pri ki.PRI) ([]byte, *errors.Error) {
signBuilder := i.getSignBuilder()
signStr, err := signBuilder.Sign(pri)
if err != nil {
return nil, err
}
return []byte(signStr), nil
}
func (i *InvariableCoin) SignVerify(guardianPub ki.PUB) (bool, *errors.Error) {
signBuilder := i.getSignBuilder()
return signBuilder.Verify(guardianPub, string(i.Signature))
}
func (i *InvariableCoin) GetType() Type {
return i.Type
}
func (i *InvariableCoin) GetVersion() Version {
return i.Version
}
func (i *InvariableCoin) GetVN() vn.ID {
return i.Vn.Vn
}
func (i *InvariableCoin) GetSignature() []byte {
return i.Signature
}
func (i *InvariableCoin) GetTimestamp() int64 {
return i.Timestamp
}