/
paradb.go
215 lines (175 loc) · 5.85 KB
/
paradb.go
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// Copyright Fuzamei Corp. 2018 All Rights Reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package para
import (
"errors"
"github.com/33cn/chain33/types"
pt "github.com/33cn/plugin/plugin/dapp/paracross/types"
)
func (client *client) setLocalDb(set *types.LocalDBSet) error {
//如果追赶上主链了,则落盘
if client.isCaughtUp() {
set.Txid = 1
client.blockSyncClient.handleLocalCaughtUpMsg()
}
msg := client.GetQueueClient().NewMessage("blockchain", types.EventSetValueByKey, set)
err := client.GetQueueClient().Send(msg, true)
if err != nil {
return err
}
resp, err := client.GetQueueClient().Wait(msg)
if err != nil {
return err
}
if resp.GetData().(*types.Reply).IsOk {
return nil
}
return errors.New(string(resp.GetData().(*types.Reply).GetMsg()))
}
func (client *client) getLocalDb(set *types.LocalDBGet, count int) ([][]byte, error) {
msg := client.GetQueueClient().NewMessage("blockchain", types.EventGetValueByKey, set)
err := client.GetQueueClient().Send(msg, true)
if err != nil {
return nil, err
}
resp, err := client.GetQueueClient().Wait(msg)
if err != nil {
return nil, err
}
reply := resp.GetData().(*types.LocalReplyValue)
if len(reply.Values) != count {
plog.Error("Parachain getLocalDb count not match", "expert", count, "real", len(reply.Values))
return nil, types.ErrInvalidParam
}
return reply.Values, nil
}
func (client *client) addLocalBlock(block *pt.ParaLocalDbBlock) error {
cfg := client.GetAPI().GetConfig()
set := &types.LocalDBSet{}
key := calcTitleHeightKey(cfg.GetTitle(), block.Height)
kv := &types.KeyValue{Key: key, Value: types.Encode(block)}
set.KV = append(set.KV, kv)
//两个key原子操作
key = calcTitleLastHeightKey(cfg.GetTitle())
kv = &types.KeyValue{Key: key, Value: types.Encode(&types.Int64{Data: block.Height})}
set.KV = append(set.KV, kv)
return client.setLocalDb(set)
}
func (client *client) saveBatchLocalBlocks(blocks []*pt.ParaLocalDbBlock) error {
cfg := client.GetAPI().GetConfig()
set := &types.LocalDBSet{}
for _, block := range blocks {
key := calcTitleHeightKey(cfg.GetTitle(), block.Height)
kv := &types.KeyValue{Key: key, Value: types.Encode(block)}
set.KV = append(set.KV, kv)
}
//save lastHeight,两个key原子操作
key := calcTitleLastHeightKey(cfg.GetTitle())
kv := &types.KeyValue{Key: key, Value: types.Encode(&types.Int64{Data: blocks[len(blocks)-1].Height})}
set.KV = append(set.KV, kv)
return client.setLocalDb(set)
}
func (client *client) delLocalBlock(height int64) error {
cfg := client.GetAPI().GetConfig()
set := &types.LocalDBSet{}
key := calcTitleHeightKey(cfg.GetTitle(), height)
kv := &types.KeyValue{Key: key, Value: nil}
set.KV = append(set.KV, kv)
//两个key原子操作
key = calcTitleLastHeightKey(cfg.GetTitle())
kv = &types.KeyValue{Key: key, Value: types.Encode(&types.Int64{Data: height - 1})}
set.KV = append(set.KV, kv)
return client.setLocalDb(set)
}
// localblock 设置到当前高度,当前高度后面block会被新的区块覆盖
func (client *client) removeLocalBlocks(curHeight int64) error {
cfg := client.GetAPI().GetConfig()
set := &types.LocalDBSet{}
key := calcTitleLastHeightKey(cfg.GetTitle())
kv := &types.KeyValue{Key: key, Value: types.Encode(&types.Int64{Data: curHeight})}
set.KV = append(set.KV, kv)
return client.setLocalDb(set)
}
func (client *client) getLastLocalHeight() (int64, error) {
cfg := client.GetAPI().GetConfig()
key := calcTitleLastHeightKey(cfg.GetTitle())
set := &types.LocalDBGet{Keys: [][]byte{key}}
value, err := client.getLocalDb(set, len(set.Keys))
if err != nil {
return -1, err
}
if len(value) == 0 || value[0] == nil {
return -1, types.ErrNotFound
}
height := &types.Int64{}
err = types.Decode(value[0], height)
if err != nil {
return -1, err
}
return height.Data, nil
}
func (client *client) getLocalBlockByHeight(height int64) (*pt.ParaLocalDbBlock, error) {
cfg := client.GetAPI().GetConfig()
key := calcTitleHeightKey(cfg.GetTitle(), height)
set := &types.LocalDBGet{Keys: [][]byte{key}}
value, err := client.getLocalDb(set, len(set.Keys))
if err != nil {
return nil, err
}
if len(value) == 0 || value[0] == nil {
return nil, types.ErrNotFound
}
var block pt.ParaLocalDbBlock
err = types.Decode(value[0], &block)
if err != nil {
return nil, err
}
return &block, nil
}
func (client *client) saveMainBlock(height int64, block *types.ParaTxDetail) error {
cfg := client.GetAPI().GetConfig()
set := &types.LocalDBSet{}
key := calcTitleMainHeightKey(cfg.GetTitle(), height)
kv := &types.KeyValue{Key: key, Value: types.Encode(block)}
set.KV = append(set.KV, kv)
return client.setLocalDb(set)
}
func (client *client) saveBatchMainBlocks(txs *types.ParaTxDetails) error {
cfg := client.GetAPI().GetConfig()
set := &types.LocalDBSet{}
for _, block := range txs.Items {
key := calcTitleMainHeightKey(cfg.GetTitle(), block.Header.Height)
kv := &types.KeyValue{Key: key, Value: types.Encode(block)}
set.KV = append(set.KV, kv)
}
return client.setLocalDb(set)
}
func (client *client) rmvBatchMainBlocks(start, end int64) error {
cfg := client.GetAPI().GetConfig()
set := &types.LocalDBSet{}
for i := start; i < end; i++ {
key := calcTitleMainHeightKey(cfg.GetTitle(), i)
kv := &types.KeyValue{Key: key, Value: nil}
set.KV = append(set.KV, kv)
}
return client.setLocalDb(set)
}
func (client *client) getMainBlockFromDb(height int64) (*types.ParaTxDetail, error) {
cfg := client.GetAPI().GetConfig()
key := calcTitleMainHeightKey(cfg.GetTitle(), height)
set := &types.LocalDBGet{Keys: [][]byte{key}}
value, err := client.getLocalDb(set, len(set.Keys))
if err != nil {
return nil, err
}
if len(value) == 0 || value[0] == nil {
return nil, types.ErrNotFound
}
var tx types.ParaTxDetail
err = types.Decode(value[0], &tx)
if err != nil {
return nil, err
}
return &tx, nil
}