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Fix for Raft stability #886

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merged 2 commits into from
Nov 21, 2019
Merged

Fix for Raft stability #886

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562f7b2
increased the size of blockProposal and chainHeadEvent channels. Chan…
vsmk98 Nov 19, 2019
8016a4e
Removing hard coding of chainHeadEventChannel
vsmk98 Nov 21, 2019
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5 changes: 5 additions & 0 deletions core/tx_pool.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1323,3 +1323,8 @@ func checkAccount(fromAcct common.Address, toAcct *common.Address) error {
}
return nil
}

// helper function to return chainHeadChannel size
func GetChainHeadChannleSize() int {
return chainHeadChanSize
}
2 changes: 1 addition & 1 deletion raft/handler.go
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Expand Up @@ -110,7 +110,7 @@ func NewProtocolManager(raftId uint16, raftPort uint16, blockchain *core.BlockCh
joinExisting: joinExisting,
blockchain: blockchain,
eventMux: mux,
blockProposalC: make(chan *types.Block),
blockProposalC: make(chan *types.Block, 10),
confChangeProposalC: make(chan raftpb.ConfChange),
httpstopc: make(chan struct{}),
httpdonec: make(chan struct{}),
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4 changes: 2 additions & 2 deletions raft/minter.go
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Expand Up @@ -89,7 +89,7 @@ func newMinter(config *params.ChainConfig, eth *RaftService, blockTime time.Dura
speculativeChain: newSpeculativeChain(),

invalidRaftOrderingChan: make(chan InvalidRaftOrdering, 1),
chainHeadChan: make(chan core.ChainHeadEvent, 1),
chainHeadChan: make(chan core.ChainHeadEvent, core.GetChainHeadChannleSize()),
txPreChan: make(chan core.NewTxsEvent, 4096),
}

Expand Down Expand Up @@ -213,7 +213,7 @@ func throttle(rate time.Duration, f func()) func() {

for range ticker.C {
<-request.Out()
go f()
f()
}
}()

Expand Down