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chainntnfs/neutrino: start concurrent queues prior to connection

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Similar to what was done for btcd, just to make sure we won't be blocked
on any incoming notifications, start the queues first thing during
startup.
This commit is contained in:
Johan T. Halseth 2019-09-12 14:36:38 +02:00
parent 6b6beb4d7d
commit d195acc632
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GPG Key ID: 15BAADA29DA20D26
1 changed files with 8 additions and 3 deletions
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11
chainntnfs/neutrinonotify/neutrino.go
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@ -116,12 +116,20 @@ func (n *NeutrinoNotifier) Start() error {
return nil return nil
} }
// Start our concurrent queues before starting the rescan, to ensure
// onFilteredBlockConnected and onRelavantTx callbacks won't be
// blocked.
n.chainUpdates.Start()
n.txUpdates.Start()
// First, we'll obtain the latest block height of the p2p node. We'll // First, we'll obtain the latest block height of the p2p node. We'll
// start the auto-rescan from this point. Once a caller actually wishes // start the auto-rescan from this point. Once a caller actually wishes
// to register a chain view, the rescan state will be rewound // to register a chain view, the rescan state will be rewound
// accordingly. // accordingly.
startingPoint, err := n.p2pNode.BestBlock() startingPoint, err := n.p2pNode.BestBlock()
if err != nil { if err != nil {
n.txUpdates.Stop()
n.chainUpdates.Stop()
return err return err
} }
n.bestBlock.Hash = &startingPoint.Hash n.bestBlock.Hash = &startingPoint.Hash
@ -160,9 +168,6 @@ func (n *NeutrinoNotifier) Start() error {
) )
n.rescanErr = n.chainView.Start() n.rescanErr = n.chainView.Start()
n.chainUpdates.Start()
n.txUpdates.Start()
n.wg.Add(1) n.wg.Add(1)
go n.notificationDispatcher() go n.notificationDispatcher()