mirror
/
go-ethereum
mirror of https://github.com/ethereum/go-ethereum
2
0
Fork 1
Code Issues Releases Wiki Activity

Reorg filter logic to XEth

Browse Source
pull/543/merge
Taylor Gerring 10 years ago
parent 12d87226a7
commit 6c04c19eb4
6 changed files with 273 additions and 203 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 2
      core/filter.go
  2. 2
      event/filter/eth_filter.go
  3. 181
      rpc/api.go
  4. 64
      rpc/api_test.go
  5. 10
      rpc/args.go
  6. 205
      xeth/xeth.go

2
core/filter.go
Unescape View File

@ -46,7 +46,7 @@ func NewFilter(eth Backend) *Filter {
// SetOptions copies the filter options to the filter it self. The reason for this "silly" copy
// is simply because named arguments in this case is extremely nice and readable.
func (self *Filter) SetOptions(options FilterOptions) {
func (self *Filter) SetOptions(options *FilterOptions) {
self.earliest = options.Earliest
self.latest = options.Latest
self.skip = options.Skip

2
event/filter/eth_filter.go
Unescape View File

@ -48,8 +48,10 @@ func (self *FilterManager) InstallFilter(filter *core.Filter) (id int) {
func (self *FilterManager) UninstallFilter(id int) {
self.filterMu.Lock()
defer self.filterMu.Unlock()
if _, ok := self.filters[id]; ok {
delete(self.filters, id)
}
}
// GetFilter retrieves a filter installed using InstallFilter.
// The filter may not be modified.

181
rpc/api.go
Unescape View File

@ -7,7 +7,6 @@ import (
"path"
"strings"
"sync"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
@ -15,7 +14,6 @@ import (
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/event/filter"
"github.com/ethereum/go-ethereum/state"
"github.com/ethereum/go-ethereum/xeth"
)
@ -23,7 +21,6 @@ import (
var (
defaultGasPrice = big.NewInt(150000000000)
defaultGas = big.NewInt(500000)
filterTickerTime = 5 * time.Minute
)
type EthereumApi struct {
@ -31,17 +28,9 @@ type EthereumApi struct {
xethMu sync.RWMutex
mux *event.TypeMux
quit chan struct{}
filterManager *filter.FilterManager
logMut sync.RWMutex
logs map[int]*logFilter
messagesMut sync.RWMutex
messages map[int]*whisperFilter
// Register keeps a list of accounts and transaction data
regmut sync.Mutex
register map[string][]*NewTxArgs
// // Register keeps a list of accounts and transaction data
// regmut sync.Mutex
// register map[string][]*NewTxArgs
db common.Database
}
@ -51,14 +40,8 @@ func NewEthereumApi(eth *xeth.XEth, dataDir string) *EthereumApi {
api := &EthereumApi{
eth: eth,
mux: eth.Backend().EventMux(),
quit: make(chan struct{}),
filterManager: filter.NewFilterManager(eth.Backend().EventMux()),
logs: make(map[int]*logFilter),
messages: make(map[int]*whisperFilter),
db: db,
}
go api.filterManager.Start()
go api.start()
return api
}
@ -85,39 +68,6 @@ func (self *EthereumApi) getStateWithNum(num int64) *xeth.State {
return self.xethWithStateNum(num).State()
}
func (self *EthereumApi) start() {
timer := time.NewTicker(2 * time.Second)
done:
for {
select {
case <-timer.C:
self.logMut.Lock()
self.messagesMut.Lock()
for id, filter := range self.logs {
if time.Since(filter.timeout) > filterTickerTime {
self.filterManager.UninstallFilter(id)
delete(self.logs, id)
}
}
for id, filter := range self.messages {
if time.Since(filter.timeout) > filterTickerTime {
self.xeth().Whisper().Unwatch(id)
delete(self.messages, id)
}
}
self.messagesMut.Unlock()
self.logMut.Unlock()
case <-self.quit:
break done
}
}
}
func (self *EthereumApi) stop() {
close(self.quit)
}
// func (self *EthereumApi) Register(args string, reply *interface{}) error {
// self.regmut.Lock()
// defer self.regmut.Unlock()
@ -149,91 +99,43 @@ func (self *EthereumApi) stop() {
// }
func (self *EthereumApi) NewFilter(args *FilterOptions, reply *interface{}) error {
var id int
filter := core.NewFilter(self.xeth().Backend())
filter.SetOptions(toFilterOptions(args))
filter.LogsCallback = func(logs state.Logs) {
self.logMut.Lock()
defer self.logMut.Unlock()
self.logs[id].add(logs...)
}
id = self.filterManager.InstallFilter(filter)
self.logs[id] = &logFilter{timeout: time.Now()}
opts := toFilterOptions(args)
id := self.xeth().RegisterFilter(opts)
*reply = common.ToHex(big.NewInt(int64(id)).Bytes())
return nil
}
func (self *EthereumApi) UninstallFilter(id int, reply *interface{}) error {
if _, ok := self.logs[id]; ok {
delete(self.logs, id)
}
*reply = self.xeth().UninstallFilter(id)
self.filterManager.UninstallFilter(id)
*reply = true
return nil
}
func (self *EthereumApi) NewFilterString(args *FilterStringArgs, reply *interface{}) error {
var id int
filter := core.NewFilter(self.xeth().Backend())
callback := func(block *types.Block, logs state.Logs) {
self.logMut.Lock()
defer self.logMut.Unlock()
for _, log := range logs {
self.logs[id].add(log)
}
self.logs[id].add(&state.StateLog{})
}
switch args.Word {
case "pending":
filter.PendingCallback = callback
case "latest":
filter.BlockCallback = callback
default:
return NewValidationError("Word", "Must be `latest` or `pending`")
if err := args.requirements(); err != nil {
return err
}
id = self.filterManager.InstallFilter(filter)
self.logs[id] = &logFilter{timeout: time.Now()}
id := self.xeth().NewFilterString(args.Word)
*reply = common.ToHex(big.NewInt(int64(id)).Bytes())
return nil
}
func (self *EthereumApi) FilterChanged(id int, reply *interface{}) error {
self.logMut.Lock()
defer self.logMut.Unlock()
if self.logs[id] != nil {
*reply = NewLogsRes(self.logs[id].get())
}
*reply = NewLogsRes(self.xeth().FilterChanged(id))
return nil
}
func (self *EthereumApi) Logs(id int, reply *interface{}) error {
self.logMut.Lock()
defer self.logMut.Unlock()
filter := self.filterManager.GetFilter(id)
if filter != nil {
*reply = NewLogsRes(filter.Find())
}
*reply = NewLogsRes(self.xeth().Logs(id))
return nil
}
func (self *EthereumApi) AllLogs(args *FilterOptions, reply *interface{}) error {
filter := core.NewFilter(self.xeth().Backend())
filter.SetOptions(toFilterOptions(args))
*reply = NewLogsRes(filter.Find())
opts := toFilterOptions(args)
*reply = NewLogsRes(self.xeth().AllLogs(opts))
return nil
}
@ -385,36 +287,22 @@ func (p *EthereumApi) NewWhisperIdentity(reply *interface{}) error {
// }
func (p *EthereumApi) NewWhisperFilter(args *WhisperFilterArgs, reply *interface{}) error {
var id int
opts := new(xeth.Options)
opts.From = args.From
opts.To = args.To
opts.Topics = args.Topics
opts.Fn = func(msg xeth.WhisperMessage) {
p.messagesMut.Lock()
defer p.messagesMut.Unlock()
p.messages[id].add(msg) // = append(p.messages[id], msg)
}
id = p.xeth().Whisper().Watch(opts)
p.messages[id] = &whisperFilter{timeout: time.Now()}
id := p.xeth().NewWhisperFilter(opts)
*reply = common.ToHex(big.NewInt(int64(id)).Bytes())
return nil
}
func (p *EthereumApi) UninstallWhisperFilter(id int, reply *interface{}) error {
delete(p.messages, id)
*reply = true
*reply = p.xeth().UninstallWhisperFilter(id)
return nil
}
func (self *EthereumApi) MessagesChanged(id int, reply *interface{}) error {
self.messagesMut.Lock()
defer self.messagesMut.Unlock()
if self.messages[id] != nil {
*reply = self.messages[id].get()
}
*reply = self.xeth().MessagesChanged(id)
return nil
}
@ -835,7 +723,7 @@ func (self *EthereumApi) xeth() *xeth.XEth {
return self.eth
}
func toFilterOptions(options *FilterOptions) core.FilterOptions {
func toFilterOptions(options *FilterOptions) *core.FilterOptions {
var opts core.FilterOptions
// Convert optional address slice/string to byte slice
@ -868,38 +756,5 @@ func toFilterOptions(options *FilterOptions) core.FilterOptions {
}
opts.Topics = topics
return opts
}
type whisperFilter struct {
messages []xeth.WhisperMessage
timeout time.Time
id int
}
func (w *whisperFilter) add(msgs ...xeth.WhisperMessage) {
w.messages = append(w.messages, msgs...)
}
func (w *whisperFilter) get() []xeth.WhisperMessage {
w.timeout = time.Now()
tmp := w.messages
w.messages = nil
return tmp
}
type logFilter struct {
logs state.Logs
timeout time.Time
id int
}
func (l *logFilter) add(logs ...state.Log) {
l.logs = append(l.logs, logs...)
}
func (l *logFilter) get() state.Logs {
l.timeout = time.Now()
tmp := l.logs
l.logs = nil
return tmp
return &opts
}

64
rpc/api_test.go
Unescape View File

@ -2,9 +2,9 @@ package rpc
import (
"encoding/json"
"sync"
// "sync"
"testing"
"time"
// "time"
)
func TestWeb3Sha3(t *testing.T) {
@ -24,33 +24,33 @@ func TestWeb3Sha3(t *testing.T) {
}
}
func TestFilterClose(t *testing.T) {
t.Skip()
api := &EthereumApi{
logs: make(map[int]*logFilter),
messages: make(map[int]*whisperFilter),
quit: make(chan struct{}),
}
filterTickerTime = 1
api.logs[0] = &logFilter{}
api.messages[0] = &whisperFilter{}
var wg sync.WaitGroup
wg.Add(1)
go api.start()
go func() {
select {
case <-time.After(500 * time.Millisecond):
api.stop()
wg.Done()
}
}()
wg.Wait()
if len(api.logs) != 0 {
t.Error("expected logs to be empty")
}
if len(api.messages) != 0 {
t.Error("expected messages to be empty")
}
}
// func TestFilterClose(t *testing.T) {
// t.Skip()
// api := &EthereumApi{
// logs: make(map[int]*logFilter),
// messages: make(map[int]*whisperFilter),
// quit: make(chan struct{}),
// }
// filterTickerTime = 1
// api.logs[0] = &logFilter{}
// api.messages[0] = &whisperFilter{}
// var wg sync.WaitGroup
// wg.Add(1)
// go api.start()
// go func() {
// select {
// case <-time.After(500 * time.Millisecond):
// api.stop()
// wg.Done()
// }
// }()
// wg.Wait()
// if len(api.logs) != 0 {
// t.Error("expected logs to be empty")
// }
// if len(api.messages) != 0 {
// t.Error("expected messages to be empty")
// }
// }

10
rpc/args.go
Unescape View File

@ -609,6 +609,16 @@ func (args *FilterStringArgs) UnmarshalJSON(b []byte) (err error) {
return nil
}
func (args *FilterStringArgs) requirements() error {
switch args.Word {
case "latest", "pending":
break
default:
return NewValidationError("Word", "Must be `latest` or `pending`")
}
return nil
}
type FilterIdArgs struct {
Id int
}

205
xeth/xeth.go
Unescape View File

@ -6,6 +6,8 @@ import (
"encoding/json"
"fmt"
"math/big"
"sync"
"time"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/common"
@ -13,13 +15,17 @@ import (
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/event/filter"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/state"
"github.com/ethereum/go-ethereum/whisper"
)
var pipelogger = logger.NewLogger("XETH")
var (
pipelogger = logger.NewLogger("XETH")
filterTickerTime = 5 * time.Minute
)
// to resolve the import cycle
type Backend interface {
@ -71,6 +77,15 @@ type XEth struct {
whisper *Whisper
frontend Frontend
quit chan struct{}
filterManager *filter.FilterManager
logMut sync.RWMutex
logs map[int]*logFilter
messagesMut sync.RWMutex
messages map[int]*whisperFilter
}
// dummyFrontend is a non-interactive frontend that allows all
@ -90,15 +105,55 @@ func New(eth Backend, frontend Frontend) *XEth {
chainManager: eth.ChainManager(),
accountManager: eth.AccountManager(),
whisper: NewWhisper(eth.Whisper()),
quit: make(chan struct{}),
filterManager: filter.NewFilterManager(eth.EventMux()),
frontend: frontend,
logs: make(map[int]*logFilter),
messages: make(map[int]*whisperFilter),
}
if frontend == nil {
xeth.frontend = dummyFrontend{}
}
xeth.state = NewState(xeth, xeth.chainManager.TransState())
go xeth.start()
go xeth.filterManager.Start()
return xeth
}
func (self *XEth) start() {
timer := time.NewTicker(2 * time.Second)
done:
for {
select {
case <-timer.C:
self.logMut.Lock()
self.messagesMut.Lock()
for id, filter := range self.logs {
if time.Since(filter.timeout) > filterTickerTime {
self.filterManager.UninstallFilter(id)
delete(self.logs, id)
}
}
for id, filter := range self.messages {
if time.Since(filter.timeout) > filterTickerTime {
self.Whisper().Unwatch(id)
delete(self.messages, id)
}
}
self.messagesMut.Unlock()
self.logMut.Unlock()
case <-self.quit:
break done
}
}
}
func (self *XEth) stop() {
close(self.quit)
}
func (self *XEth) Backend() Backend { return self.eth }
func (self *XEth) WithState(statedb *state.StateDB) *XEth {
xeth := &XEth{
@ -241,6 +296,121 @@ func (self *XEth) SecretToAddress(key string) string {
return common.ToHex(pair.Address())
}
func (self *XEth) RegisterFilter(args *core.FilterOptions) int {
var id int
filter := core.NewFilter(self.Backend())
filter.SetOptions(args)
filter.LogsCallback = func(logs state.Logs) {
self.logMut.Lock()
defer self.logMut.Unlock()
self.logs[id].add(logs...)
}
id = self.filterManager.InstallFilter(filter)
self.logs[id] = &logFilter{timeout: time.Now()}
return id
}
func (self *XEth) UninstallFilter(id int) bool {
if _, ok := self.logs[id]; ok {
delete(self.logs, id)
self.filterManager.UninstallFilter(id)
return true
}
return false
}
func (self *XEth) NewFilterString(word string) int {
var id int
filter := core.NewFilter(self.Backend())
callback := func(block *types.Block, logs state.Logs) {
self.logMut.Lock()
defer self.logMut.Unlock()
for _, log := range logs {
self.logs[id].add(log)
}
self.logs[id].add(&state.StateLog{})
}
switch word {
case "pending":
filter.PendingCallback = callback
case "latest":
filter.BlockCallback = callback
}
id = self.filterManager.InstallFilter(filter)
self.logs[id] = &logFilter{timeout: time.Now()}
return id
}
func (self *XEth) FilterChanged(id int) state.Logs {
self.logMut.Lock()
defer self.logMut.Unlock()
if self.logs[id] != nil {
return self.logs[id].get()
}
return nil
}
func (self *XEth) Logs(id int) state.Logs {
self.logMut.Lock()
defer self.logMut.Unlock()
filter := self.filterManager.GetFilter(id)
if filter != nil {
return filter.Find()
}
return nil
}
func (self *XEth) AllLogs(args *core.FilterOptions) state.Logs {
filter := core.NewFilter(self.Backend())
filter.SetOptions(args)
return filter.Find()
}
func (p *XEth) NewWhisperFilter(opts *Options) int {
var id int
opts.Fn = func(msg WhisperMessage) {
p.messagesMut.Lock()
defer p.messagesMut.Unlock()
p.messages[id].add(msg) // = append(p.messages[id], msg)
}
id = p.Whisper().Watch(opts)
p.messages[id] = &whisperFilter{timeout: time.Now()}
return id
}
func (p *XEth) UninstallWhisperFilter(id int) bool {
if _, ok := p.messages[id]; ok {
delete(p.messages, id)
return true
}
return false
}
func (self *XEth) MessagesChanged(id int) []WhisperMessage {
self.messagesMut.Lock()
defer self.messagesMut.Unlock()
if self.messages[id] != nil {
return self.messages[id].get()
}
return nil
}
type KeyVal struct {
Key string `json:"key"`
Value string `json:"value"`
@ -411,3 +581,36 @@ func (m callmsg) GasPrice() *big.Int { return m.gasPrice }
func (m callmsg) Gas() *big.Int { return m.gas }
func (m callmsg) Value() *big.Int { return m.value }
func (m callmsg) Data() []byte { return m.data }
type whisperFilter struct {
messages []WhisperMessage
timeout time.Time
id int
}
func (w *whisperFilter) add(msgs ...WhisperMessage) {
w.messages = append(w.messages, msgs...)
}
func (w *whisperFilter) get() []WhisperMessage {
w.timeout = time.Now()
tmp := w.messages
w.messages = nil
return tmp
}
type logFilter struct {
logs state.Logs
timeout time.Time
id int
}
func (l *logFilter) add(logs ...state.Log) {
l.logs = append(l.logs, logs...)
}
func (l *logFilter) get() state.Logs {
l.timeout = time.Now()
tmp := l.logs
l.logs = nil
return tmp
}

Write Preview
Loading…
Cancel
Save