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eth: don't accept transactions until we sync up with the network

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This commit is contained in:
Péter Szilágyi 2016-06-02 15:54:07 +03:00
parent 826efc2295
commit 32559ccad1
3 changed files with 13 additions and 4 deletions
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14
eth/handler.go
View File

@ -59,7 +59,9 @@ type blockFetcherFn func([]common.Hash) error
type ProtocolManager struct {
networkId int
fastSync uint32
fastSync uint32 // Flag whether fast sync is enabled (gets disabled if we already have blocks)
synced uint32 // Flag whether we're considered synchronised (enables transaction processing)
txpool txPool
blockchain *core.BlockChain
chaindb ethdb.Database
@ -161,7 +163,11 @@ func NewProtocolManager(config *core.ChainConfig, fastSync bool, networkId int,
heighter := func() uint64 {
return blockchain.CurrentBlock().NumberU64()
}
manager.fetcher = fetcher.New(blockchain.GetBlock, validator, manager.BroadcastBlock, heighter, manager.insertChain, manager.removePeer)
inserter := func(blocks types.Blocks) (int, error) {
atomic.StoreUint32(&manager.synced, 1) // Mark initial sync done on any fetcher import
return manager.insertChain(blocks)
}
manager.fetcher = fetcher.New(blockchain.GetBlock, validator, manager.BroadcastBlock, heighter, inserter, manager.removePeer)
if blockchain.Genesis().Hash().Hex() == defaultGenesisHash && networkId == 1 {
glog.V(logger.Debug).Infoln("Bad Block Reporting is enabled")
@ -698,8 +704,8 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
}
case msg.Code == TxMsg:
// Transactions arrived, make sure we have a valid chain to handle them
if atomic.LoadUint32(&pm.fastSync) == 1 {
// Transactions arrived, make sure we have a valid and fresh chain to handle them
if atomic.LoadUint32(&pm.synced) == 0 {
break
}
// Transactions can be processed, parse all of them and deliver to the pool

1
eth/protocol_test.go
View File

@ -97,6 +97,7 @@ func TestRecvTransactions63(t *testing.T) { testRecvTransactions(t, 63) }
func testRecvTransactions(t *testing.T, protocol int) {
txAdded := make(chan []*types.Transaction)
pm := newTestProtocolManagerMust(t, false, 0, nil, txAdded)
pm.synced = 1 // mark synced to accept transactions
p, _ := newTestPeer("peer", protocol, pm, true)
defer pm.Stop()
defer p.close()

2
eth/sync.go
View File

@ -174,6 +174,8 @@ func (pm *ProtocolManager) synchronise(peer *peer) {
if err := pm.downloader.Synchronise(peer.id, peer.Head(), peer.Td(), mode); err != nil {
return
}
atomic.StoreUint32(&pm.synced, 1) // Mark initial sync done
// If fast sync was enabled, and we synced up, disable it
if atomic.LoadUint32(&pm.fastSync) == 1 {
// Disable fast sync if we indeed have something in our chain