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controller.go
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controller.go
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package chain
import (
"fmt"
abi "github.com/zhangsifeng92/geos/chain/abi_serializer"
"github.com/zhangsifeng92/geos/chain/types"
. "github.com/zhangsifeng92/geos/chain/types/generated_containers"
"github.com/zhangsifeng92/geos/common"
"github.com/zhangsifeng92/geos/crypto"
"github.com/zhangsifeng92/geos/crypto/ecc"
"github.com/zhangsifeng92/geos/crypto/rlp"
"github.com/zhangsifeng92/geos/database"
"github.com/zhangsifeng92/geos/entity"
. "github.com/zhangsifeng92/geos/exception"
. "github.com/zhangsifeng92/geos/exception/try"
"github.com/zhangsifeng92/geos/log"
"github.com/zhangsifeng92/geos/plugins/appbase/app/include"
"github.com/zhangsifeng92/geos/plugins/chain_interface"
"github.com/zhangsifeng92/geos/wasmgo"
)
type DBReadMode int8
const (
SPECULATIVE = DBReadMode(iota)
HEADER //HEAD
READONLY
IRREVERSIBLE
)
func (d DBReadMode) String() string {
switch d {
case SPECULATIVE:
return "speculative"
case HEADER:
return "header"
case READONLY:
return "readonly"
case IRREVERSIBLE:
return "irreversible"
default:
return ""
}
}
func DBReadModeFromString(s string) (DBReadMode, bool) {
switch s {
case "SPECULATIVE", "speculative":
return SPECULATIVE, true
case "HEADER", "header":
return HEADER, true
case "READONLY", "readonly":
return READONLY, true
case "IRREVERSIBLE", "irreversible":
return IRREVERSIBLE, true
default:
return -1, false
}
}
type ValidationMode int8
const (
FULL = ValidationMode(iota)
LIGHT
)
func (v ValidationMode) String() string {
switch v {
case FULL:
return "full"
case LIGHT:
return "light"
default:
return ""
}
}
func ValidationModeFromString(s string) (ValidationMode, bool) {
switch s {
case "FULL", "full":
return FULL, true
case "LIGHT", "light":
return LIGHT, true
default:
return -1, false
}
}
type Config struct {
ActorWhitelist AccountNameSet //common.AccountName
ActorBlacklist AccountNameSet //common.AccountName
ContractWhitelist AccountNameSet //common.AccountName
ContractBlacklist AccountNameSet //common.AccountName]struct{}
ActionBlacklist NamePairSet //common.Pair //see actionBlacklist
KeyBlacklist PublicKeySet
ResourceGreylist AccountNameSet
TrustedProducers AccountNameSet
BlocksDir string
StateDir string
StateSize uint64
StateGuardSize uint64
ReversibleCacheSize uint64
ReversibleGuardSize uint64
ReadOnly bool
ForceAllChecks bool
DisableReplayOpts bool
DisableReplay bool
ContractsConsole bool
AllowRamBillingInNotify bool
Genesis *types.GenesisState
VmType wasmgo.WasmGo
ReadMode DBReadMode
BlockValidationMode ValidationMode
}
type DeNamePair struct {
First common.AccountName
Second common.ActionName
}
func NewConfig() *Config {
return &Config{
BlocksDir: common.DefaultConfig.DefaultBlocksDirName,
StateDir: common.DefaultConfig.DefaultStateDirName,
StateSize: common.DefaultConfig.DefaultStateSize,
StateGuardSize: common.DefaultConfig.DefaultStateGuardSize,
ReversibleCacheSize: common.DefaultConfig.DefaultReversibleCacheSize,
ReversibleGuardSize: common.DefaultConfig.DefaultReversibleGuardSize,
ReadOnly: false,
ForceAllChecks: false,
DisableReplayOpts: false,
ContractsConsole: false,
AllowRamBillingInNotify: false,
ReadMode: SPECULATIVE,
BlockValidationMode: FULL,
Genesis: types.NewGenesisState(),
ActorWhitelist: *NewAccountNameSet(),
ActorBlacklist: *NewAccountNameSet(),
ContractWhitelist: *NewAccountNameSet(),
ContractBlacklist: *NewAccountNameSet(),
ActionBlacklist: *NewNamePairSet(),
KeyBlacklist: *NewPublicKeySet(),
ResourceGreylist: *NewAccountNameSet(),
TrustedProducers: *NewAccountNameSet(),
}
}
type v func(ctx *ApplyContext)
type Controller struct {
DB database.DataBase
UndoSession database.Session
ReversibleBlocks database.DataBase
Blog *BlockLog
Pending *PendingState
Head *types.BlockState
ForkDB *ForkDatabase
WasmIf *wasmgo.WasmGo
ResourceLimits *ResourceLimitsManager
Authorization *AuthorizationManager
Config Config //local Config
ChainID common.ChainIdType
RePlaying bool
ReplayHeadTime common.TimePoint //optional<common.Tstamp>
ReadMode DBReadMode
InTrxRequiringChecks bool //if true, checks that are normally skipped on replay (e.g. auth checks) cannot be skipped
SubjectiveCupLeeway common.Microseconds //optional<common.Tstamp>
TrustedProducerLightValidation bool //default value false
ApplyHandlers map[string]v
UnappliedTransactions map[crypto.Sha256]types.TransactionMetadata
PreAcceptedBlock include.Signal
AcceptedBlockHeader include.Signal
AcceptedBlock include.Signal
IrreversibleBlock include.Signal
AcceptedTransaction include.Signal
AppliedTransaction include.Signal
AcceptedConfirmation include.Signal
BadAlloc include.Signal
}
func NewController(cfg *Config) *Controller {
db, err := database.NewDataBase(cfg.StateDir)
reversibleDB, err := database.NewDataBase(cfg.BlocksDir + "/" + common.DefaultConfig.DefaultReversibleBlocksDirName)
if err != nil {
log.Error("newController create database is error :%s", err)
return nil
}
con := &Controller{InTrxRequiringChecks: false, RePlaying: false, TrustedProducerLightValidation: false}
con.DB = db
con.ReversibleBlocks = reversibleDB
con.Blog = NewBlockLog(cfg.BlocksDir)
con.ForkDB = NewForkDatabase(cfg.StateDir)
con.ChainID = cfg.Genesis.ComputeChainID()
con.ReadMode = cfg.ReadMode
con.ApplyHandlers = make(map[string]v)
con.WasmIf = wasmgo.NewWasmGo()
con.Config = *cfg
con.ResourceLimits = newResourceLimitsManager(con)
con.Authorization = newAuthorizationManager(con)
con.UnappliedTransactions = make(map[crypto.Sha256]types.TransactionMetadata)
con.SetApplayHandler(common.AccountName(common.N("eosio")), common.AccountName(common.N("eosio")),
common.ActionName(common.N("newaccount")), applyEosioNewaccount)
con.SetApplayHandler(common.AccountName(common.N("eosio")), common.AccountName(common.N("eosio")),
common.ActionName(common.N("setcode")), applyEosioSetcode)
con.SetApplayHandler(common.AccountName(common.N("eosio")), common.AccountName(common.N("eosio")),
common.ActionName(common.N("setabi")), applyEosioSetabi)
con.SetApplayHandler(common.AccountName(common.N("eosio")), common.AccountName(common.N("eosio")),
common.ActionName(common.N("updateauth")), applyEosioUpdateauth)
con.SetApplayHandler(common.AccountName(common.N("eosio")), common.AccountName(common.N("eosio")),
common.ActionName(common.N("deleteauth")), applyEosioDeleteauth)
con.SetApplayHandler(common.AccountName(common.N("eosio")), common.AccountName(common.N("eosio")),
common.ActionName(common.N("linkauth")), applyEosioLinkauth)
con.SetApplayHandler(common.AccountName(common.N("eosio")), common.AccountName(common.N("eosio")),
common.ActionName(common.N("unlinkauth")), applyEosioUnlinkauth)
con.SetApplayHandler(common.AccountName(common.N("eosio")), common.AccountName(common.N("eosio")),
common.ActionName(common.N("canceldelay")), applyEosioCanceldalay)
con.ForkDB.Irreversible.Connect(&chain_interface.IrreversibleBlockCaller{Caller: con.OnIrreversible})
return con
}
func (c *Controller) Startup() {
//TODO c.AddIndices()
c.Head = c.ForkDB.Head
if c.Head == nil {
log.Warn("No head block in fork db, perhaps we need to replay")
}
c.initialize()
}
func (c *Controller) PopBlock() {
prev := c.ForkDB.GetBlock(&c.Head.Header.Previous)
//EosAssert(common.Empty(prev), &BlockValidateException{}, "attempt to pop beyond last irreversible block")
EosAssert(!common.Empty(prev), &BlockValidateException{}, "attempt to pop beyond last irreversible block")
r := entity.ReversibleBlockObject{}
r.BlockNum = c.Head.BlockNum
out := entity.ReversibleBlockObject{}
err := c.ReversibleBlocks.Find("byNum", r, &out)
if err != nil {
log.Error("PopBlock ReversibleBlocks Find is error :%s", err.Error())
}
if !common.Empty(out) {
c.ReversibleBlocks.Remove(&out)
}
if c.ReadMode == SPECULATIVE {
//version 1.4
//EosAssert(c.Head.SignedBlock!=nil, &BlockValidateException{}, "attempting to pop a block that was sparsely loaded from a snapshot")
for _, trx := range c.Head.Trxs {
c.UnappliedTransactions[crypto.Sha256(trx.SignedID)] = *trx
}
}
c.Head = prev
c.DB.Undo()
}
func (c *Controller) SetApplayHandler(receiver common.AccountName, contract common.AccountName, action common.ActionName, handler func(a *ApplyContext)) {
handlerKey := receiver + contract + action
c.ApplyHandlers[handlerKey.String()] = handler
}
func (c *Controller) FindApplyHandler(receiver common.AccountName,
scope common.AccountName,
act common.ActionName) func(*ApplyContext) {
handlerKey := receiver + scope + act
if handler, ok := c.ApplyHandlers[handlerKey.String()]; ok {
return handler
}
return nil
}
func (c *Controller) OnIrreversible(s *types.BlockState) {
if common.Empty(c.Blog.head) {
c.Blog.ReadHead()
}
logHead := c.Blog.head
EosAssert(logHead != nil, &BlockLogException{}, "block log head can not be found")
lhBlockNum := logHead.BlockNumber()
c.DB.Commit(int64(s.BlockNum))
if s.BlockNum <= lhBlockNum {
return
}
EosAssert(s.BlockNum-1 == lhBlockNum, &UnlinkableBlockException{}, "unlinkable block:%d,%d", s.BlockNum, lhBlockNum)
EosAssert(s.SignedBlock.Previous == logHead.BlockID(), &UnlinkableBlockException{}, "irreversible doesn't link to block log head")
c.Blog.Append(s.SignedBlock)
rbi := entity.ReversibleBlockObject{}
ubi, err := c.ReversibleBlocks.GetIndex("byNum", &rbi)
if err != nil {
EosThrow(&DatabaseGuardException{}, err.Error())
}
itr := ubi.Begin()
tbs := entity.ReversibleBlockObject{}
if !ubi.CompareEnd(itr) {
err = itr.Data(&tbs)
}
for !ubi.CompareEnd(itr) && tbs.BlockNum <= s.BlockNum {
err := c.ReversibleBlocks.Remove(&tbs)
if err != nil {
log.Error("Controller OnIrreversible is error: %s", err)
}
if !itr.Next() {
break
}
itr.Data(&tbs)
}
if c.ReadMode == IRREVERSIBLE {
c.applyBlock(s.SignedBlock, types.Complete)
c.ForkDB.MarkInCurrentChain(s, true)
c.ForkDB.SetValidity(s, true)
c.Head = s
}
c.IrreversibleBlock.Emit(s)
}
func (c *Controller) AbortBlock() {
if c.Pending != nil {
if c.ReadMode == SPECULATIVE {
if c.Pending.PendingBlockState != nil {
for _, trx := range c.Pending.PendingBlockState.Trxs {
c.UnappliedTransactions[trx.SignedID] = *trx
}
}
}
c.Pending = c.Pending.Reset()
}
}
func (c *Controller) StartBlock(when types.BlockTimeStamp, confirmBlockCount uint16) {
pbi := common.BlockIdType(crypto.NewSha256Nil())
c.startBlock(when, confirmBlockCount, types.Incomplete, &pbi)
c.ValidateDbAvailableSize()
}
func (c *Controller) startBlock(when types.BlockTimeStamp, confirmBlockCount uint16, s types.BlockStatus, producerBlockId *common.BlockIdType) {
EosAssert(c.Pending == nil, &BlockValidateException{}, "pending block already exists")
defer func() {
if c.Pending != nil && c.Pending.PendingValid {
c.Pending = c.Pending.Reset()
}
}()
if !c.SkipDbSession(s) {
EosAssert(uint32(c.DB.Revision()) == c.Head.BlockNum, &DatabaseException{}, "db revision is not on par with head block,Revision %v,BlockNum %v,ForkDB.Header().BlockNum %v",
c.DB.Revision(), c.Head.BlockNum, c.ForkDB.Header().BlockNum)
c.Pending = NewPendingState(c.DB)
} else {
c.Pending = NewDefaultPendingState()
}
c.Pending.PendingValid = true
c.Pending.BlockStatus = s
c.Pending.ProducerBlockId = *producerBlockId
c.Pending.PendingBlockState = types.NewBlockState2(&c.Head.BlockHeaderState, when) // promotes pending schedule (if any) to active
c.Pending.PendingBlockState.InCurrentChain = true
c.Pending.PendingBlockState.SetConfirmed(confirmBlockCount)
wasPendingPromoted := c.Pending.PendingBlockState.MaybePromotePending()
if c.ReadMode == SPECULATIVE || c.Pending.BlockStatus != types.Incomplete {
gpo := c.GetGlobalProperties()
if (gpo.ProposedScheduleBlockNum != 0 && gpo.ProposedScheduleBlockNum <= c.Pending.PendingBlockState.DposIrreversibleBlocknum) &&
(len(c.Pending.PendingBlockState.PendingSchedule.Producers) == 0) && (!wasPendingPromoted) {
if !c.RePlaying {
log.Info("promoting proposed schedule (set in block %d) to pending; current block: %d lib: %d schedule: %v ",
gpo.ProposedScheduleBlockNum, c.Pending.PendingBlockState.BlockNum, c.Pending.PendingBlockState.DposIrreversibleBlocknum, gpo.ProposedSchedule)
}
tmp := gpo.ProposedSchedule.ProducerScheduleType()
ps := types.SharedProducerScheduleType{}
ps.Version = tmp.Version
ps.Producers = tmp.Producers
c.Pending.PendingBlockState.SetNewProducers(ps)
c.DB.Modify(gpo, func(i *entity.GlobalPropertyObject) {
i.ProposedScheduleBlockNum = 0
i.ProposedSchedule.Clear()
})
}
Try(func() {
signedTransaction := c.GetOnBlockTransaction()
onbtrx := types.NewTransactionMetadataBySignedTrx(&signedTransaction, 0)
onbtrx.Implicit = true
defer func(b bool) {
c.InTrxRequiringChecks = b
}(c.InTrxRequiringChecks)
c.InTrxRequiringChecks = true
c.pushTransaction(onbtrx, common.MaxTimePoint(), gpo.Configuration.MinTransactionCpuUsage, true)
}).Catch(func(e Exception) {
log.Error("Controller StartBlock exception:%s", e.DetailMessage())
Throw(e)
}).Catch(func(i Exception) {
//c++ nothing
}).End()
c.clearExpiredInputTransactions()
c.updateProducersAuthority()
}
c.Pending.PendingValid = false
}
func (c *Controller) pushReceipt(trx interface{}, status types.TransactionStatus, cpuUsageUs uint64, netUsage uint64) *types.TransactionReceipt {
trxReceipt := types.NewTransactionReceipt() /*types.TransactionReceipt{}*/
tr := types.TransactionWithID{}
switch trx.(type) {
case common.TransactionIdType:
tr.TransactionID = trx.(common.TransactionIdType)
case types.PackedTransaction:
pt := trx.(types.PackedTransaction)
tr.PackedTransaction = &pt
}
trxReceipt.Trx = tr
netUsageWords := netUsage / 8
EosAssert(netUsageWords*8 == netUsage, &TransactionException{}, "net_usage is not divisible by 8")
trxReceipt.CpuUsageUs = uint32(cpuUsageUs)
trxReceipt.NetUsageWords = common.Vuint32(netUsageWords)
trxReceipt.Status = status
c.Pending.PendingBlockState.SignedBlock.Transactions = append(c.Pending.PendingBlockState.SignedBlock.Transactions, *trxReceipt)
return trxReceipt
}
func (c *Controller) PushTransaction(trx *types.TransactionMetadata, deadLine common.TimePoint, billedCpuTimeUs uint32) *types.TransactionTrace {
c.ValidateDbAvailableSize()
EosAssert(c.GetReadMode() != READONLY, &TransactionTypeException{}, "push transaction not allowed in read-only mode")
EosAssert(trx != nil && !trx.Implicit && !trx.Scheduled, &TransactionTypeException{}, "Implicit/Scheduled transaction not allowed")
return c.pushTransaction(trx, deadLine, billedCpuTimeUs, billedCpuTimeUs > 0)
}
func (c *Controller) pushTransaction(trx *types.TransactionMetadata, deadLine common.TimePoint, billedCpuTimeUs uint32, explicitBilledCpuTime bool) (trxTrace *types.TransactionTrace) {
EosAssert(deadLine != common.TimePoint(0), &TransactionException{}, "deadline cannot be uninitialized")
var trace *types.TransactionTrace
returning, trace := false, (*types.TransactionTrace)(nil)
Try(func() {
trxContext := *NewTransactionContext(c, trx.Trx, trx.ID, common.Now())
defer func() {
trxContext.Undo()
}()
if c.SubjectiveCupLeeway != 0 {
if c.Pending.BlockStatus == types.BlockStatus(types.Incomplete) {
trxContext.Leeway = c.SubjectiveCupLeeway
}
}
trxContext.Deadline = deadLine
trxContext.ExplicitBilledCpuTime = explicitBilledCpuTime
trxContext.BilledCpuTimeUs = int64(billedCpuTimeUs)
trace = trxContext.Trace
Try(func() {
if trx.Implicit {
trxContext.InitForImplicitTrx(0) //default value 0
trxContext.CanSubjectivelyFail = false
} else {
skipRecording := (c.ReplayHeadTime != 0) && (trx.Trx.Expiration.ToTimePoint() <= c.ReplayHeadTime)
trxContext.InitForInputTrx(uint64(trx.PackedTrx.GetUnprunableSize()), uint64(trx.PackedTrx.GetPrunableSize()),
uint32(len(trx.Trx.Signatures)), skipRecording)
}
if trxContext.CanSubjectivelyFail && c.Pending.BlockStatus == types.Incomplete {
c.CheckActorList(&trxContext.BillToAccounts)
}
trxContext.Delay = common.Seconds(int64(trx.Trx.DelaySec))
checkTime := func() {}
set := NewPermissionLevelSet()
if !c.SkipAuthCheck() && !trx.Implicit {
c.Authorization.CheckAuthorization(trx.Trx.Actions,
trx.RecoverKeys(&c.ChainID),
set,
trxContext.Delay,
&checkTime,
false)
}
trxContext.Exec()
trxContext.Finalize()
defer func(b bool) {
c.InTrxRequiringChecks = b
}(c.InTrxRequiringChecks)
if !trx.Implicit {
var s types.TransactionStatus
if trxContext.Delay == common.Microseconds(0) {
s = types.TransactionStatusExecuted
} else {
s = types.TransactionStatusDelayed
}
tr := c.pushReceipt(*trx.PackedTrx, s, uint64(trxContext.BilledCpuTimeUs), trace.NetUsage)
trace.Receipt = tr.TransactionReceiptHeader
c.Pending.PendingBlockState.Trxs = append(c.Pending.PendingBlockState.Trxs, trx)
} else {
r := types.TransactionReceiptHeader{}
r.Status = types.TransactionStatusExecuted
r.CpuUsageUs = uint32(trxContext.BilledCpuTimeUs)
r.NetUsageWords = common.Vuint32(trace.NetUsage / 8)
trace.Receipt = r
}
c.Pending.Actions = append(c.Pending.Actions, trxContext.Executed...)
if !trx.Accepted {
trx.Accepted = true
c.AcceptedTransaction.Emit(trx)
}
c.AppliedTransaction.Emit(trace)
if c.ReadMode != SPECULATIVE && c.Pending.BlockStatus == types.Incomplete {
trxContext.Undo()
} else {
trxContext.Squash()
}
if !trx.Implicit {
delete(c.UnappliedTransactions, crypto.Sha256(trx.SignedID))
}
returning = true
}).Catch(func(ex Exception) {
trace.Except = ex
trace.ExceptPtr = ex
}).End()
if returning {
return
}
if !failureIsSubjective(trace.Except) {
delete(c.UnappliedTransactions, crypto.Sha256(trx.SignedID))
}
c.AcceptedTransaction.Emit(trx)
c.AppliedTransaction.Emit(trace)
return
}).FcCaptureAndRethrow("trace:%v", trace).End()
return trace
}
func (c *Controller) GetGlobalProperties() *entity.GlobalPropertyObject {
gpo := entity.GlobalPropertyObject{}
gpo.ID = 0
err := c.DB.Find("id", gpo, &gpo)
if err != nil {
log.Error("GetGlobalProperties is error detail:%s", err)
}
return &gpo
}
func (c *Controller) GetDynamicGlobalProperties() (r *entity.DynamicGlobalPropertyObject) {
dgpo := entity.DynamicGlobalPropertyObject{}
dgpo.ID = 0
err := c.DB.Find("id", dgpo, &dgpo)
if err != nil {
log.Error("GetDynamicGlobalProperties is error detail:%s", err)
}
return &dgpo
}
func (c *Controller) GetMutableResourceLimitsManager() *ResourceLimitsManager {
return c.ResourceLimits
}
func (c *Controller) GetOnBlockTransaction() types.SignedTransaction {
onBlockAction := types.Action{}
onBlockAction.Account = common.AccountName(common.DefaultConfig.SystemAccountName)
onBlockAction.Name = common.ActionName(common.N("onblock"))
onBlockAction.Authorization = []common.PermissionLevel{{common.AccountName(common.DefaultConfig.SystemAccountName), common.PermissionName(common.DefaultConfig.ActiveName)}}
data, err := rlp.EncodeToBytes(c.HeadBlockHeader())
if err == nil {
onBlockAction.Data = data
}
trx := types.NewSignedTransactionNil()
trx.Actions = append(trx.Actions, &onBlockAction)
trx.SetReferenceBlock(&c.Head.BlockId)
in := c.PendingBlockTime().AddUs(common.Microseconds(999999))
trx.Expiration = common.NewTimePointSecTp(in)
return *trx
}
func (c *Controller) SkipDbSession(bs types.BlockStatus) bool {
considerSkipping := bs == types.Irreversible
return considerSkipping && !c.Config.DisableReplayOpts && !c.InTrxRequiringChecks
}
func (c *Controller) SkipDbSessions() bool {
if c.Pending != nil {
return c.SkipDbSession(c.Pending.BlockStatus)
} else {
return false
}
}
func (c *Controller) SkipTrxChecks() (b bool) {
b = c.LightValidationAllowed(c.Config.DisableReplayOpts)
return
}
func (c *Controller) IsProducingBlock() bool {
if c.Pending == nil {
return false
}
return c.Pending.BlockStatus == types.Incomplete
}
func (c *Controller) Close() {
c.AbortBlock()
c.ForkDB.Close()
c.DB.Close()
c.ReversibleBlocks.Close()
c = nil
}
func (c *Controller) GetUnappliedTransactions() []*types.TransactionMetadata {
result := []*types.TransactionMetadata{}
if c.ReadMode == SPECULATIVE {
for _, v := range c.UnappliedTransactions {
result = append(result, &v)
}
} else {
log.Info("not empty unapplied_transactions in non-speculative mode")
EosAssert(len(c.UnappliedTransactions) == 0, &TransactionException{}, "not empty unapplied_transactions in non-speculative mode")
}
return result
}
func (c *Controller) DropUnappliedTransaction(metadata *types.TransactionMetadata) {
delete(c.UnappliedTransactions, crypto.Sha256(metadata.SignedID))
}
func (c *Controller) DropAllUnAppliedTransactions() {
c.UnappliedTransactions = make(map[crypto.Sha256]types.TransactionMetadata)
}
func (c *Controller) GetScheduledTransactions() []common.TransactionIdType {
result := []common.TransactionIdType{}
gto := entity.GeneratedTransactionObject{}
idx, err := c.DB.GetIndex("byDelay", >o)
if err != nil {
log.Error("Controller GetScheduledTransactions is error:%s", err)
}
itr := idx.Begin()
if idx.CompareEnd(itr) {
return result
} else {
itr.Data(>o)
}
for itr != idx.End() {
if gto.DelayUntil <= c.PendingBlockTime() {
result = append(result, gto.TrxId)
}
if !itr.Next() {
break
}
itr.Data(>o)
}
if itr != nil {
itr.Release()
}
return result
}
func (c *Controller) PushScheduledTransaction(trxId *common.TransactionIdType, deadLine common.TimePoint, billedCpuTimeUs uint32) *types.TransactionTrace {
c.ValidateDbAvailableSize()
return c.pushScheduledTransactionById(trxId, deadLine, billedCpuTimeUs, billedCpuTimeUs > 0)
}
func (c *Controller) pushScheduledTransactionById(sheduled *common.TransactionIdType,
deadLine common.TimePoint,
billedCpuTimeUs uint32, explicitBilledCpuTime bool) *types.TransactionTrace {
gto := entity.GeneratedTransactionObject{}
gto.TrxId = *sheduled
err := c.DB.Find("byTrxId", gto, >o)
if err != nil {
log.Info("controller pushScheduledTransactionById find byTrxId is error:%s", err)
}
return c.pushScheduledTransactionByObject(>o, deadLine, billedCpuTimeUs, explicitBilledCpuTime)
}
func (c *Controller) pushScheduledTransactionByObject(gto *entity.GeneratedTransactionObject,
deadLine common.TimePoint,
billedCpuTimeUs uint32,
explicitBilledCpuTime bool) *types.TransactionTrace {
if !c.SkipDbSessions() {
c.UndoSession = *c.DB.StartSession()
}
defer func() { c.UndoSession.Undo() }()
gtrx := entity.GeneratedTransactions(gto)
c.RemoveScheduledTransaction(gto)
EosAssert(gtrx.DelayUntil <= c.PendingBlockTime(), &TransactionException{}, "this transaction isn't ready,gtrx.DelayUntil:%s,PendingBlockTime:%s", gtrx.DelayUntil, c.PendingBlockTime())
dtrx := types.SignedTransaction{}
err := rlp.DecodeBytes(gtrx.PackedTrx, &dtrx)
if err != nil {
log.Error("PushScheduleTransaction1 DecodeBytes is error :%s", err)
}
trx := types.NewTransactionMetadataBySignedTrx(&dtrx, 0)
trx.Accepted = true
trx.Scheduled = true
trace := &types.TransactionTrace{}
if gtrx.Expiration < c.PendingBlockTime() {
trace.ID = gtrx.TrxId
trace.BlockNum = c.PendingBlockState().BlockNum
trace.BlockTime = types.NewBlockTimeStamp(c.PendingBlockTime())
trace.ProducerBlockId = c.PendingProducerBlockId()
trace.Scheduled = true
trace.Receipt = (*c.pushReceipt(gtrx.TrxId, types.TransactionStatusExpired, uint64(billedCpuTimeUs), 0)).TransactionReceiptHeader
c.AcceptedTransaction.Emit(trx)
c.AppliedTransaction.Emit(trace)
c.UndoSession.Squash()
return trace
}
defer func(b bool) { c.InTrxRequiringChecks = b }(c.InTrxRequiringChecks)
c.InTrxRequiringChecks = true
cpuTimeToBillUs := billedCpuTimeUs
trxContext := NewTransactionContext(c, &dtrx, gtrx.TrxId, common.Now())
defer func() { trxContext.Undo() }()
trxContext.Leeway = common.Milliseconds(0)
trxContext.Deadline = deadLine
trxContext.ExplicitBilledCpuTime = explicitBilledCpuTime
trxContext.BilledCpuTimeUs = int64(billedCpuTimeUs)
trace = trxContext.Trace
returning := false
Try(func() {
trxContext.InitForDeferredTrx(gtrx.Published)
trxContext.Exec()
trxContext.Finalize()
trace.Receipt = (*c.pushReceipt(gtrx.TrxId, types.TransactionStatusExecuted, uint64(trxContext.BilledCpuTimeUs), trace.NetUsage)).TransactionReceiptHeader
c.Pending.Actions = append(c.Pending.Actions, trxContext.Executed...)
c.AcceptedTransaction.Emit(trx)
c.AppliedTransaction.Emit(trace)
trxContext.Squash()
c.UndoSession.Squash()
returning = true
//return trace
}).Catch(func(ex Exception) {
cpuTimeToBillUs = trxContext.UpdateBilledCpuTime(common.Now())
trace.Except = ex
trace.ExceptPtr = ex
trace.Elapsed = (common.Now() - trxContext.Start).TimeSinceEpoch()
}).End()
if returning {
return trace
}
trxContext.Undo()
if !failureIsSubjective(trace.Except) && gtrx.Sender != 0 {
errorTrace := c.applyOnerror(gtrx, deadLine, trxContext.pseudoStart, &cpuTimeToBillUs, billedCpuTimeUs, explicitBilledCpuTime)
errorTrace.FailedDtrxTrace = trace
trace = errorTrace
if common.Empty(trace.ExceptPtr) {
c.AcceptedTransaction.Emit(trx)
c.AppliedTransaction.Emit(trace)
c.UndoSession.Squash()
return trace
}
trace.Elapsed = common.Now().TimeSinceEpoch() - trxContext.Start.TimeSinceEpoch()
}
subjective := false
if explicitBilledCpuTime {
subjective = failureIsSubjective(trace.Except)
} else {
subjective = scheduledFailureIsSubjective(trace.Except)
}
if !subjective {
// hard failure logic
if !explicitBilledCpuTime {
rl := c.GetMutableResourceLimitsManager()
rl.UpdateAccountUsage(&trxContext.BillToAccounts, uint32(types.NewBlockTimeStamp(c.PendingBlockTime())))
//accountCpuLimit := 0
accountNetLimit, accountCpuLimit, greylistedNet, greylistedCpu := trxContext.MaxBandwidthBilledAccountsCanPay(true)
log.Info("test print: %v,%v,%v,%v", accountNetLimit, accountCpuLimit, greylistedNet, greylistedCpu) //TODO
//cpuTimeToBillUs = cpuTimeToBillUs<accountCpuLimit:?trxContext.initialObjectiveDurationLimit.Count()
tmp := uint32(0)
if cpuTimeToBillUs < uint32(accountCpuLimit) {
tmp = cpuTimeToBillUs
} else {
tmp = uint32(accountCpuLimit)
}
if tmp < uint32(trxContext.objectiveDurationLimit) {
cpuTimeToBillUs = tmp
}
}
c.ResourceLimits.AddTransactionUsage(&trxContext.BillToAccounts, uint64(cpuTimeToBillUs), 0,
uint32(types.NewBlockTimeStamp(c.PendingBlockTime()))) // Should never fail
receipt := *c.pushReceipt(gtrx.TrxId, types.TransactionStatusHardFail, uint64(cpuTimeToBillUs), 0)
trace.Receipt = receipt.TransactionReceiptHeader
c.AcceptedTransaction.Emit(trx)
c.AppliedTransaction.Emit(trace)
c.UndoSession.Squash()
} else {
c.AcceptedTransaction.Emit(trx)
c.AppliedTransaction.Emit(trace)
}
return trace
}
func (c *Controller) applyOnerror(gtrx *entity.GeneratedTransaction, deadline common.TimePoint, start common.TimePoint,
cpuTimeToBillUs *uint32, billedCpuTimeUs uint32, explicitBilledCpuTime bool) *types.TransactionTrace {
etrx := types.SignedTransaction{}
action := types.Action{}
action.Authorization = []common.PermissionLevel{{gtrx.Sender, common.DefaultConfig.ActiveName}}
onError := NewOnError(gtrx.SenderId, gtrx.PackedTrx)
action.Account = onError.GetAccount()
action.Name = onError.GetName()
data, _ := rlp.EncodeToBytes(onError)
action.Data = data
etrx.Actions = append(etrx.Actions, &action)
in := c.PendingBlockTime().AddUs(common.Microseconds(999999))
etrx.Expiration = common.NewTimePointSecTp(in)
blockId := c.HeadBlockId()
etrx.SetReferenceBlock(&blockId)
trxContext := NewTransactionContext(c, &etrx, etrx.ID(), start)
defer func() { trxContext.Undo() }()
trxContext.Deadline = deadline
trxContext.ExplicitBilledCpuTime = explicitBilledCpuTime
trxContext.BilledCpuTimeUs = int64(billedCpuTimeUs)
trace := trxContext.Trace
returning := false
Try(func() {
trxContext.InitForImplicitTrx(0) //default
trxContext.Published = gtrx.Published
at := types.ActionTrace{}
trxContext.Trace.ActionTraces = append(trxContext.Trace.ActionTraces, at)
tr := trxContext.Trace.ActionTraces[len(trxContext.Trace.ActionTraces)-1]
last := etrx.Actions[len(etrx.Actions)-1]
trxContext.DispatchAction(&tr, last, gtrx.Sender, false, 0) //default false 0
trxContext.Finalize()
trace.Receipt = c.pushReceipt(gtrx.TrxId, types.TransactionStatusSoftFail, uint64(trxContext.BilledCpuTimeUs), trace.NetUsage).TransactionReceiptHeader
trxContext.Squash()
returning = true
}).Catch(func(e Exception) {
t := trxContext.UpdateBilledCpuTime(common.Now())
cpuTimeToBillUs = &t
trace.Except = e
trace.ExceptPtr = e
}).End()
if returning {
return trace
}
return trace
}
func (c *Controller) RemoveScheduledTransaction(gto *entity.GeneratedTransactionObject) {
c.ResourceLimits.AddPendingRamUsage(gto.Payer, int64(9)+int64(len(gto.PackedTrx)))
c.DB.Remove(gto)
}
func failureIsSubjective(e Exception) bool {
code := e.Code()
return code == SubjectiveBlockProductionException{}.Code() ||
code == BlockNetUsageExceeded{}.Code() ||
code == GreylistNetUsageExceeded{}.Code() ||
code == BlockCpuUsageExceeded{}.Code() ||
code == GreylistCpuUsageExceeded{}.Code() ||
code == DeadlineException{}.Code() ||
code == LeewayDeadlineException{}.Code() ||
code == ActorWhitelistException{}.Code() ||
code == ActorBlacklistException{}.Code() ||
code == ContractWhitelistException{}.Code() ||
code == ContractBlacklistException{}.Code() ||
code == ActionBlacklistException{}.Code() ||
code == KeyBlacklistException{}.Code()
}
func scheduledFailureIsSubjective(e Exception) bool {
code := e.Code()
return (code == TxCpuUsageExceeded{}.Code()) || failureIsSubjective(e)
}
func (c *Controller) setActionMerkle() {
actionDigests := make([]crypto.Sha256, 0, len(c.Pending.Actions))
for _, a := range c.Pending.Actions {
actionDigests = append(actionDigests, a.Digest())
}
c.Pending.PendingBlockState.Header.ActionMRoot = types.Merkle(actionDigests)
}
func (c *Controller) setTrxMerkle() {
trxDigests := make([]crypto.Sha256, 0, len(c.Pending.PendingBlockState.SignedBlock.Transactions))
for _, b := range c.Pending.PendingBlockState.SignedBlock.Transactions {
trxDigests = append(trxDigests, b.Digest())
}
c.Pending.PendingBlockState.Header.TransactionMRoot = types.Merkle(trxDigests)
}
func (c *Controller) FinalizeBlock() {
EosAssert(c.Pending != nil, &BlockValidateException{}, "it is not valid to finalize when there is no pending block")
c.ResourceLimits.ProcessAccountLimitUpdates()
chainConfig := c.GetGlobalProperties().Configuration
cpuTarget := common.EosPercent(uint64(chainConfig.MaxBlockCpuUsage), chainConfig.TargetBlockCpuUsagePct)
m := uint32(1000)
cpu := types.ElasticLimitParameters{}
cpu.Target = cpuTarget
cpu.Max = uint64(chainConfig.MaxBlockCpuUsage)
cpu.Periods = common.DefaultConfig.BlockCpuUsageAverageWindowMs / uint32(common.DefaultConfig.BlockIntervalMs)
cpu.MaxMultiplier = m
cpu.ContractRate.Numerator = 99
cpu.ContractRate.Denominator = 100
cpu.ExpandRate.Numerator = 1000
cpu.ExpandRate.Denominator = 999
net := types.ElasticLimitParameters{}
netTarget := common.EosPercent(uint64(chainConfig.MaxBlockNetUsage), chainConfig.TargetBlockNetUsagePct)
net.Target = netTarget
net.Max = uint64(chainConfig.MaxBlockNetUsage)
net.Periods = common.DefaultConfig.BlockSizeAverageWindowMs / uint32(common.DefaultConfig.BlockIntervalMs)
net.MaxMultiplier = m
net.ContractRate.Numerator = 99
net.ContractRate.Denominator = 100
net.ExpandRate.Numerator = 1000
net.ExpandRate.Denominator = 999
c.ResourceLimits.SetBlockParameters(cpu, net)
c.ResourceLimits.ProcessBlockUsage(c.Pending.PendingBlockState.BlockNum)
c.setActionMerkle()
c.setTrxMerkle()
p := c.Pending.PendingBlockState
p.BlockId = p.Header.BlockID()
c.createBlockSummary(&p.BlockId)
}
func (c *Controller) SignBlock(signerCallback func(sha256 crypto.Sha256) ecc.Signature) {
p := c.Pending.PendingBlockState
p.Sign(signerCallback)
p.SignedBlock.SignedBlockHeader = p.Header
}
func (c *Controller) applyBlock(b *types.SignedBlock, s types.BlockStatus) {
Try(func() {
EosAssert(len(b.BlockExtensions) == 0, &BlockValidateException{}, "no supported extensions")
producerBlockId := b.BlockID()
c.startBlock(b.Timestamp, b.Confirmed, s, &producerBlockId)
trace := &types.TransactionTrace{}
for _, receipt := range b.Transactions {
numPendingReceipts := len(c.Pending.PendingBlockState.SignedBlock.Transactions)
if !common.Empty(receipt.Trx.PackedTransaction) {
pt := receipt.Trx.PackedTransaction
mtrx := types.NewTransactionMetadata(pt)
trace = c.pushTransaction(mtrx, common.TimePoint(common.MaxMicroseconds()), receipt.CpuUsageUs, true)
} else if !common.Empty(receipt.Trx.TransactionID) {
trace = c.PushScheduledTransaction(&receipt.Trx.TransactionID, common.TimePoint(common.MaxMicroseconds()), receipt.CpuUsageUs)
} else {
EosAssert(false, &BlockValidateException{}, "encountered unexpected receipt type")
}
transactionFailed := !common.Empty(trace) && !common.Empty(trace.ExceptPtr)
transactionCanFail := receipt.Status == types.TransactionStatusHardFail && receipt.Trx.PackedTransaction == nil
if transactionFailed && !transactionCanFail {
log.Error(trace.Except.DetailMessage())
Throw(trace.Except)
}
EosAssert(len(c.Pending.PendingBlockState.SignedBlock.Transactions) > 0,
&BlockValidateException{}, "expected a block:%v,expected_receipt:%v", *b, receipt)
EosAssert(len(c.Pending.PendingBlockState.SignedBlock.Transactions) == numPendingReceipts+1,
&BlockValidateException{}, "expected receipt was not added:%v,expected_receipt:%v", *b, receipt)
var trxReceipt types.TransactionReceipt
length := len(c.Pending.PendingBlockState.SignedBlock.Transactions)
if length > 0 {
trxReceipt = c.Pending.PendingBlockState.SignedBlock.Transactions[length-1]
}
EosAssert(trxReceipt.TransactionReceiptHeader == receipt.TransactionReceiptHeader, &BlockValidateException{}, "receipt does not match,producer_receipt:%v", receipt, "validator_receipt:%v", trxReceipt)
}
c.FinalizeBlock()
EosAssert(producerBlockId == c.Pending.PendingBlockState.Header.BlockID(), &BlockValidateException{},
"Block ID does not match,producer_block_id:%v,validator_block_id:%v", producerBlockId, c.Pending.PendingBlockState.Header.BlockID())
c.Pending.PendingBlockState.Header.ProducerSignature = b.ProducerSignature
c.CommitBlock(false)
return
}).Catch(func(ex Exception) {
log.Error("controller ApplyBlock is error:%s", ex.DetailMessage())
c.AbortBlock()