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channeldb: add ErrEdgeAlreadyExist error

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This commit is contained in:
Andrey Samokhvalov 2017-03-28 20:27:00 +03:00 committed by Olaoluwa Osuntokun
parent c3b2854428
commit 7a9a52c7b9
2 changed files with 6 additions and 2 deletions
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6
channeldb/error.go
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@ -69,7 +69,11 @@ var (
// ErrEdgeNotFound is returned when an edge for the target chanID // ErrEdgeNotFound is returned when an edge for the target chanID
// can't be found. // can't be found.
ErrEdgeNotFound = fmt.Errorf("edge for chanID not found") ErrEdgeNotFound = fmt.Errorf("edge not found")
// ErrEdgeAlreadyExist is returned when edge with specific
// channel id can't be added because it already exist.
ErrEdgeAlreadyExist = fmt.Errorf("edge already exist")
// ErrNodeAliasNotFound is returned when alias for node can't be found. // ErrNodeAliasNotFound is returned when alias for node can't be found.
ErrNodeAliasNotFound = fmt.Errorf("alias for node not found") ErrNodeAliasNotFound = fmt.Errorf("alias for node not found")

2
channeldb/graph.go
View File

@ -424,7 +424,7 @@ func (c *ChannelGraph) AddChannelEdge(edge *ChannelEdgeInfo) error {
// created. If so, then we can exit early as this method is // created. If so, then we can exit early as this method is
// meant to be idempotent. // meant to be idempotent.
if edgeInfo := edgeIndex.Get(chanKey[:]); edgeInfo != nil { if edgeInfo := edgeIndex.Get(chanKey[:]); edgeInfo != nil {
return nil return ErrEdgeAlreadyExist
} }
// If the edge hasn't been created yet, then we'll first add it // If the edge hasn't been created yet, then we'll first add it