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chainntnfs: declare common ErrChainNotifierShuttingDown for all backends

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This commit is contained in:
Wilmer Paulino
2018-12-10 18:25:41 -08:00
parent 50650d054e
commit be2c321c8c
4 changed files with 20 additions and 33 deletions
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16
chainntnfs/bitcoindnotify/bitcoind.go
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@@ -26,11 +26,6 @@ const (
)
var (
// ErrChainNotifierShuttingDown is used when we are trying to
// measure a spend notification when notifier is already stopped.
ErrChainNotifierShuttingDown = errors.New("chainntnfs: system interrupt " +
"while attempting to register for spend notification.")
// ErrTransactionNotFound is an error returned when we attempt to find a
// transaction by manually scanning the chain within a specific range
// but it is not found.
@@ -498,7 +493,6 @@ func (b *BitcoindNotifier) confDetailsFromTxIndex(txid *chainhash.Hash,
fmt.Errorf("unable to get block hash %v for "+
"historical dispatch: %v", rawTxRes.BlockHash, err)
}
block, err := b.chainConn.GetBlockVerbose(blockHash)
if err != nil {
return nil, chainntnfs.TxNotFoundIndex,
@@ -559,7 +553,7 @@ func (b *BitcoindNotifier) confDetailsManually(confRequest chainntnfs.ConfReques
select {
case <-b.quit:
return nil, chainntnfs.TxNotFoundManually,
ErrChainNotifierShuttingDown
chainntnfs.ErrChainNotifierShuttingDown
default:
}
@@ -728,7 +722,7 @@ func (b *BitcoindNotifier) RegisterSpendNtfn(outpoint *wire.OutPoint,
select {
case b.notificationRegistry <- historicalDispatch:
case <-b.quit:
return nil, ErrChainNotifierShuttingDown
return nil, chainntnfs.ErrChainNotifierShuttingDown
}
return ntfn.Event, nil
@@ -805,7 +799,7 @@ func (b *BitcoindNotifier) RegisterSpendNtfn(outpoint *wire.OutPoint,
select {
case b.notificationRegistry <- historicalDispatch:
case <-b.quit:
return nil, ErrChainNotifierShuttingDown
return nil, chainntnfs.ErrChainNotifierShuttingDown
}
return ntfn.Event, nil
@@ -829,7 +823,7 @@ func (b *BitcoindNotifier) dispatchSpendDetailsManually(
// processing the next height.
select {
case <-b.quit:
return ErrChainNotifierShuttingDown
return chainntnfs.ErrChainNotifierShuttingDown
default:
}
@@ -923,7 +917,7 @@ func (b *BitcoindNotifier) RegisterConfirmationsNtfn(txid *chainhash.Hash,
case b.notificationRegistry <- dispatch:
return ntfn.Event, nil
case <-b.quit:
return nil, ErrChainNotifierShuttingDown
return nil, chainntnfs.ErrChainNotifierShuttingDown
}
}