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states.go
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states.go
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/*
* Copyright (C) 2018 The DNA Authors
* This file is part of The DNA library.
*
* The DNA is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The DNA is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with The DNA. If not, see <http://www.gnu.org/licenses/>.
*/
package governance
import (
"fmt"
"io"
"sort"
"github.com/dnaproject2/DNA/common"
"github.com/dnaproject2/DNA/common/serialization"
)
type Status uint8
func (this *Status) Serialize(w io.Writer) error {
if err := serialization.WriteUint8(w, uint8(*this)); err != nil {
return fmt.Errorf("serialization.WriteUint8, serialize status error: %v", err)
}
return nil
}
func (this *Status) Deserialize(r io.Reader) error {
status, err := serialization.ReadUint8(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint8, deserialize status error: %v", err)
}
*this = Status(status)
return nil
}
type BlackListItem struct {
PeerPubkey string //peerPubkey in black list
Address common.Address //the owner of this peer
InitPos uint64 //initPos of this peer
}
func (this *BlackListItem) Serialize(w io.Writer) error {
if err := serialization.WriteString(w, this.PeerPubkey); err != nil {
return fmt.Errorf("serialization.WriteString, serialize peerPubkey error: %v", err)
}
if err := this.Address.Serialize(w); err != nil {
return fmt.Errorf("address.Serialize, serialize address error: %v", err)
}
if err := serialization.WriteUint64(w, this.InitPos); err != nil {
return fmt.Errorf("serialization.WriteUint64, serialize initPos error: %v", err)
}
return nil
}
func (this *BlackListItem) Deserialize(r io.Reader) error {
peerPubkey, err := serialization.ReadString(r)
if err != nil {
return fmt.Errorf("serialization.ReadString, deserialize peerPubkey error: %v", err)
}
address := new(common.Address)
err = address.Deserialize(r)
if err != nil {
return fmt.Errorf("address.Deserialize, deserialize address error: %v", err)
}
initPos, err := serialization.ReadUint64(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint64, deserialize initPos error: %v", err)
}
this.PeerPubkey = peerPubkey
this.Address = *address
this.InitPos = initPos
return nil
}
type PeerPoolList struct {
Peers []*PeerPoolItem
}
type PeerPoolMap struct {
PeerPoolMap map[string]*PeerPoolItem
}
func (this *PeerPoolMap) Serialize(w io.Writer) error {
if err := serialization.WriteUint32(w, uint32(len(this.PeerPoolMap))); err != nil {
return fmt.Errorf("serialization.WriteUint32, serialize PeerPoolMap length error: %v", err)
}
var peerPoolItemList []*PeerPoolItem
for _, v := range this.PeerPoolMap {
peerPoolItemList = append(peerPoolItemList, v)
}
sort.SliceStable(peerPoolItemList, func(i, j int) bool {
return peerPoolItemList[i].PeerPubkey > peerPoolItemList[j].PeerPubkey
})
for _, v := range peerPoolItemList {
if err := v.Serialize(w); err != nil {
return fmt.Errorf("serialize peerPool error: %v", err)
}
}
return nil
}
func (this *PeerPoolMap) Deserialize(r io.Reader) error {
n, err := serialization.ReadUint32(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint32, deserialize PeerPoolMap length error: %v", err)
}
peerPoolMap := make(map[string]*PeerPoolItem)
for i := 0; uint32(i) < n; i++ {
peerPoolItem := new(PeerPoolItem)
if err := peerPoolItem.Deserialize(r); err != nil {
return fmt.Errorf("deserialize peerPool error: %v", err)
}
peerPoolMap[peerPoolItem.PeerPubkey] = peerPoolItem
}
this.PeerPoolMap = peerPoolMap
return nil
}
type PeerPoolItem struct {
Index uint32 //peer index
PeerPubkey string //peer pubkey
Address common.Address //peer owner
Status Status //peer status
InitPos uint64 //peer initPos
TotalPos uint64 //total authorize pos this peer received
}
func (this *PeerPoolItem) Serialize(w io.Writer) error {
if err := serialization.WriteUint32(w, this.Index); err != nil {
return fmt.Errorf("serialization.WriteUint32, serialize address error: %v", err)
}
if err := serialization.WriteString(w, this.PeerPubkey); err != nil {
return fmt.Errorf("serialization.WriteString, serialize peerPubkey error: %v", err)
}
if err := this.Address.Serialize(w); err != nil {
return fmt.Errorf("address.Serialize, serialize address error: %v", err)
}
if err := this.Status.Serialize(w); err != nil {
return fmt.Errorf("this.Status.Serialize, serialize Status error: %v", err)
}
if err := serialization.WriteUint64(w, this.InitPos); err != nil {
return fmt.Errorf("serialization.WriteUint64, serialize initPos error: %v", err)
}
if err := serialization.WriteUint64(w, this.TotalPos); err != nil {
return fmt.Errorf("serialization.WriteUint64, serialize totalPos error: %v", err)
}
return nil
}
func (this *PeerPoolItem) Deserialize(r io.Reader) error {
index, err := serialization.ReadUint32(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint32, deserialize index error: %v", err)
}
peerPubkey, err := serialization.ReadString(r)
if err != nil {
return fmt.Errorf("serialization.ReadString, deserialize peerPubkey error: %v", err)
}
address := new(common.Address)
err = address.Deserialize(r)
if err != nil {
return fmt.Errorf("address.Deserialize, deserialize address error: %v", err)
}
status := new(Status)
err = status.Deserialize(r)
if err != nil {
return fmt.Errorf("status.Deserialize. deserialize status error: %v", err)
}
initPos, err := serialization.ReadUint64(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint64, deserialize initPos error: %v", err)
}
totalPos, err := serialization.ReadUint64(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint64, deserialize totalPos error: %v", err)
}
this.Index = index
this.PeerPubkey = peerPubkey
this.Address = *address
this.Status = *status
this.InitPos = initPos
this.TotalPos = totalPos
return nil
}
type AuthorizeInfo struct {
PeerPubkey string
Address common.Address
ConsensusPos uint64 //pos deposit in consensus node
CandidatePos uint64 //pos deposit in candidate node
NewPos uint64 //deposit new pos to consensus or candidate node, it will be calculated in next epoch, you can withdrawal it at any time
WithdrawConsensusPos uint64 //unAuthorized pos from consensus pos, frozen until next next epoch
WithdrawCandidatePos uint64 //unAuthorized pos from candidate pos, frozen until next epoch
WithdrawUnfreezePos uint64 //unfrozen pos, can withdraw at any time
}
func (this *AuthorizeInfo) Serialize(w io.Writer) error {
if err := serialization.WriteString(w, this.PeerPubkey); err != nil {
return fmt.Errorf("serialization.WriteString, request peerPubkey error: %v", err)
}
if err := this.Address.Serialize(w); err != nil {
return fmt.Errorf("address.Serialize, serialize address error: %v", err)
}
if err := serialization.WriteUint64(w, this.ConsensusPos); err != nil {
return fmt.Errorf("serialization.WriteUint64, serialize consensusPos error: %v", err)
}
if err := serialization.WriteUint64(w, this.CandidatePos); err != nil {
return fmt.Errorf("serialization.WriteUint64, serialize candidatePos error: %v", err)
}
if err := serialization.WriteUint64(w, this.NewPos); err != nil {
return fmt.Errorf("serialization.WriteUint64, serialize newPos error: %v", err)
}
if err := serialization.WriteUint64(w, this.WithdrawConsensusPos); err != nil {
return fmt.Errorf("serialization.WriteUint64, serialize withdrawConsensusPos error: %v", err)
}
if err := serialization.WriteUint64(w, this.WithdrawCandidatePos); err != nil {
return fmt.Errorf("serialization.WriteUint64, serialize withdrawCandidatePos error: %v", err)
}
if err := serialization.WriteUint64(w, this.WithdrawUnfreezePos); err != nil {
return fmt.Errorf("serialization.WriteUint64, serialize withDrawUnfreezePos error: %v", err)
}
return nil
}
func (this *AuthorizeInfo) Deserialize(r io.Reader) error {
peerPubkey, err := serialization.ReadString(r)
if err != nil {
return fmt.Errorf("serialization.ReadString, deserialize peerPubkey error: %v", err)
}
address := new(common.Address)
err = address.Deserialize(r)
if err != nil {
return fmt.Errorf("address.Deserialize, deserialize address error: %v", err)
}
consensusPos, err := serialization.ReadUint64(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint64. deserialize consensusPos error: %v", err)
}
candidatePos, err := serialization.ReadUint64(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint64. deserialize candidatePos error: %v", err)
}
newPos, err := serialization.ReadUint64(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint64. deserialize newPos error: %v", err)
}
withDrawConsensusPos, err := serialization.ReadUint64(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint64. deserialize withDrawConsensusPos error: %v", err)
}
withDrawCandidatePos, err := serialization.ReadUint64(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint64. deserialize withDrawCandidatePos error: %v", err)
}
withDrawUnfreezePos, err := serialization.ReadUint64(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint64. deserialize withDrawUnfreezePos error: %v", err)
}
this.PeerPubkey = peerPubkey
this.Address = *address
this.ConsensusPos = consensusPos
this.CandidatePos = candidatePos
this.NewPos = newPos
this.WithdrawConsensusPos = withDrawConsensusPos
this.WithdrawCandidatePos = withDrawCandidatePos
this.WithdrawUnfreezePos = withDrawUnfreezePos
return nil
}
type PeerStakeInfo struct {
Index uint32
PeerPubkey string
Stake uint64
}
type GovernanceView struct {
View uint32
Height uint32
TxHash common.Uint256
}
func (this *GovernanceView) Serialize(w io.Writer) error {
if err := serialization.WriteUint32(w, this.View); err != nil {
return fmt.Errorf("serialization.WriteUint32, serialize view error: %v", err)
}
if err := serialization.WriteUint32(w, this.Height); err != nil {
return fmt.Errorf("serialization.WriteBool, serialize height error: %v", err)
}
if err := this.TxHash.Serialize(w); err != nil {
return fmt.Errorf("txHash.Serialize, serialize txHash error: %v", err)
}
return nil
}
func (this *GovernanceView) Deserialize(r io.Reader) error {
view, err := serialization.ReadUint32(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint32, deserialize view error: %v", err)
}
height, err := serialization.ReadUint32(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint32, deserialize height error: %v", err)
}
txHash := new(common.Uint256)
if err := txHash.Deserialize(r); err != nil {
return fmt.Errorf("txHash.Deserialize, deserialize txHash error: %v", err)
}
this.View = view
this.Height = height
this.TxHash = *txHash
return nil
}
type TotalStake struct { //table record each address's total stake in this contract
Address common.Address
Stake uint64
TimeOffset uint32
}
func (this *TotalStake) Serialize(w io.Writer) error {
if err := this.Address.Serialize(w); err != nil {
return fmt.Errorf("address.Serialize, serialize address error: %v", err)
}
if err := serialization.WriteUint64(w, this.Stake); err != nil {
return fmt.Errorf("serialization.WriteUint64, serialize stake error: %v", err)
}
if err := serialization.WriteUint32(w, this.TimeOffset); err != nil {
return fmt.Errorf("serialization.WriteUint32, serialize timeOffset error: %v", err)
}
return nil
}
func (this *TotalStake) Deserialize(r io.Reader) error {
address := new(common.Address)
err := address.Deserialize(r)
if err != nil {
return fmt.Errorf("address.Deserialize, deserialize address error: %v", err)
}
stake, err := serialization.ReadUint64(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint64, deserialize stake error: %v", err)
}
timeOffset, err := serialization.ReadUint32(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint64, deserialize timeOffset error: %v", err)
}
this.Address = *address
this.Stake = stake
this.TimeOffset = timeOffset
return nil
}
type PenaltyStake struct { //table record penalty stake of peer
PeerPubkey string //peer pubKey of penalty stake
InitPos uint64 //initPos penalty
AuthorizePos uint64 //authorize pos penalty
TimeOffset uint32 //time used for calculate unbound ong
Amount uint64 //unbound ong that this penalty unbounded
}
func (this *PenaltyStake) Serialize(w io.Writer) error {
if err := serialization.WriteString(w, this.PeerPubkey); err != nil {
return fmt.Errorf("serialization.WriteString, serialize peerPubkey error: %v", err)
}
if err := serialization.WriteUint64(w, this.InitPos); err != nil {
return fmt.Errorf("serialization.WriteUint64, serialize initPos error: %v", err)
}
if err := serialization.WriteUint64(w, this.AuthorizePos); err != nil {
return fmt.Errorf("serialization.WriteUint64, serialize authorizePos error: %v", err)
}
if err := serialization.WriteUint32(w, this.TimeOffset); err != nil {
return fmt.Errorf("serialization.WriteUint32, serialize timeOffset error: %v", err)
}
if err := serialization.WriteUint64(w, this.Amount); err != nil {
return fmt.Errorf("serialization.WriteUint64, serialize amount error: %v", err)
}
return nil
}
func (this *PenaltyStake) Deserialize(r io.Reader) error {
peerPubkey, err := serialization.ReadString(r)
if err != nil {
return fmt.Errorf("serialization.ReadString, deserialize peerPubkey error: %v", err)
}
initPos, err := serialization.ReadUint64(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint64. deserialize initPos error: %v", err)
}
authorizePos, err := serialization.ReadUint64(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint64. deserialize authorizePos error: %v", err)
}
timeOffset, err := serialization.ReadUint32(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint64, deserialize timeOffset error: %v", err)
}
amount, err := serialization.ReadUint64(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint64. deserialize amount error: %v", err)
}
this.PeerPubkey = peerPubkey
this.InitPos = initPos
this.AuthorizePos = authorizePos
this.TimeOffset = timeOffset
this.Amount = amount
return nil
}
type CandidateSplitInfo struct {
PeerPubkey string
Address common.Address
InitPos uint64
Stake uint64 //total stake, init pos + total pos
S uint64 //fee split weight of this peer
}
type PeerAttributes struct {
PeerPubkey string
MaxAuthorize uint64 //max authorzie pos this peer can receive(number of ont), set by peer owner
T2PeerCost uint64 //candidate or consensus node doesn't share income percent with authorize users, 100 means node will take all incomes, it will take effect in view T + 2
T1PeerCost uint64 //candidate or consensus node doesn't share income percent with authorize users, 100 means node will take all incomes, it will take effect in view T + 1
TPeerCost uint64 //candidate or consensus node doesn't share income percent with authorize users, 100 means node will take all incomes, it will take effect in view T
Field1 []byte //reserved field
Field2 []byte //reserved field
Field3 []byte //reserved field
Field4 []byte //reserved field
}
func (this *PeerAttributes) Serialize(w io.Writer) error {
if err := serialization.WriteString(w, this.PeerPubkey); err != nil {
return fmt.Errorf("serialization.WriteBool, serialize peerPubkey error: %v", err)
}
if err := serialization.WriteUint64(w, this.MaxAuthorize); err != nil {
return fmt.Errorf("serialization.WriteUint64, serialize maxAuthorize error: %v", err)
}
if err := serialization.WriteUint64(w, this.T2PeerCost); err != nil {
return fmt.Errorf("serialization.WriteUint64, serialize oldPeerCost error: %v", err)
}
if err := serialization.WriteUint64(w, this.T1PeerCost); err != nil {
return fmt.Errorf("serialization.WriteUint64, serialize newPeerCost error: %v", err)
}
if err := serialization.WriteUint64(w, this.TPeerCost); err != nil {
return fmt.Errorf("serialization.WriteUint64, serialize newPeerCost error: %v", err)
}
if err := serialization.WriteVarBytes(w, this.Field1); err != nil {
return fmt.Errorf("serialization.WriteVarBytes, serialize field1 error: %v", err)
}
if err := serialization.WriteVarBytes(w, this.Field2); err != nil {
return fmt.Errorf("serialization.WriteVarBytes, serialize field2 error: %v", err)
}
if err := serialization.WriteVarBytes(w, this.Field3); err != nil {
return fmt.Errorf("serialization.WriteVarBytes, serialize field3 error: %v", err)
}
if err := serialization.WriteVarBytes(w, this.Field4); err != nil {
return fmt.Errorf("serialization.WriteVarBytes, serialize field4 error: %v", err)
}
return nil
}
func (this *PeerAttributes) Deserialize(r io.Reader) error {
peerPubkey, err := serialization.ReadString(r)
if err != nil {
return fmt.Errorf("serialization.ReadString, deserialize peerPubkey error: %v", err)
}
maxAuthorize, err := serialization.ReadUint64(r)
if err != nil {
return fmt.Errorf("serialization.ReadBool, deserialize maxAuthorize error: %v", err)
}
t2PeerCost, err := serialization.ReadUint64(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint64, deserialize t2PeerCost error: %v", err)
}
t1PeerCost, err := serialization.ReadUint64(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint64, deserialize t1PeerCost error: %v", err)
}
tPeerCost, err := serialization.ReadUint64(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint64, deserialize tPeerCost error: %v", err)
}
field1, err := serialization.ReadVarBytes(r)
if err != nil {
return fmt.Errorf("serialization.ReadVarBytes. deserialize field1 error: %v", err)
}
field2, err := serialization.ReadVarBytes(r)
if err != nil {
return fmt.Errorf("serialization.ReadVarBytes. deserialize field2 error: %v", err)
}
field3, err := serialization.ReadVarBytes(r)
if err != nil {
return fmt.Errorf("serialization.ReadVarBytes, deserialize field3 error: %v", err)
}
field4, err := serialization.ReadVarBytes(r)
if err != nil {
return fmt.Errorf("serialization.ReadVarBytes. deserialize field4 error: %v", err)
}
this.PeerPubkey = peerPubkey
this.MaxAuthorize = maxAuthorize
this.T2PeerCost = t2PeerCost
this.T1PeerCost = t1PeerCost
this.TPeerCost = tPeerCost
this.Field1 = field1
this.Field2 = field2
this.Field3 = field3
this.Field4 = field4
return nil
}
type SplitFeeAddress struct { //table record each address's ong motivation
Address common.Address
Amount uint64
}
func (this *SplitFeeAddress) Serialize(w io.Writer) error {
if err := this.Address.Serialize(w); err != nil {
return fmt.Errorf("address.Serialize, serialize address error: %v", err)
}
if err := serialization.WriteUint64(w, this.Amount); err != nil {
return fmt.Errorf("serialization.WriteUint64, serialize amount error: %v", err)
}
return nil
}
func (this *SplitFeeAddress) Deserialize(r io.Reader) error {
address := new(common.Address)
err := address.Deserialize(r)
if err != nil {
return fmt.Errorf("address.Deserialize, deserialize address error: %v", err)
}
amount, err := serialization.ReadUint64(r)
if err != nil {
return fmt.Errorf("serialization.ReadUint64, deserialize amount error: %v", err)
}
this.Address = *address
this.Amount = amount
return nil
}