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chainntnfs: add support to cancel pending registered confirmation

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This commit is contained in:
Wilmer Paulino
2018-12-10 18:27:25 -08:00
parent be2c321c8c
commit 0c579b110c
6 changed files with 170 additions and 40 deletions
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9
chainntnfs/bitcoindnotify/bitcoind.go
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@@ -885,16 +885,19 @@ func (b *BitcoindNotifier) RegisterConfirmationsNtfn(txid *chainhash.Hash,
// Construct a notification request for the transaction and send it to
// the main event loop.
confID := atomic.AddUint64(&b.confClientCounter, 1)
confRequest, err := chainntnfs.NewConfRequest(txid, pkScript)
if err != nil {
return nil, err
}
ntfn := &chainntnfs.ConfNtfn{
ConfID: atomic.AddUint64(&b.confClientCounter, 1),
ConfID: confID,
ConfRequest: confRequest,
NumConfirmations: numConfs,
Event: chainntnfs.NewConfirmationEvent(numConfs),
HeightHint: heightHint,
Event: chainntnfs.NewConfirmationEvent(numConfs, func() {
b.txNotifier.CancelConf(confRequest, confID)
}),
HeightHint: heightHint,
}
chainntnfs.Log.Infof("New confirmation subscription: %v, num_confs=%v",