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Fix missing events in OnRecvPacket #233

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merged 3 commits into from
Jul 6, 2021
Merged

Fix missing events in OnRecvPacket #233

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c607317
fix to set events to the original context
bluele Jul 6, 2021
f4f3f22
Update modules/core/keeper/msg_server.go
AdityaSripal Jul 6, 2021
41cd793
Merge branch 'main' into fix-recvpacket-events
colin-axner Jul 6, 2021
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3 changes: 3 additions & 0 deletions modules/core/keeper/msg_server.go
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Original file line number Diff line number Diff line change
Expand Up @@ -500,6 +500,9 @@ func (k Keeper) RecvPacket(goCtx context.Context, msg *channeltypes.MsgRecvPacke
// Cache context so that we may discard state changes from callback if the acknowledgement is unsuccessful.
cacheCtx, writeFn := ctx.CacheContext()
ack := cbs.OnRecvPacket(cacheCtx, msg.Packet, relayer)
// This doesn't cause duplicate events to be emitted.
// NOTE: The context returned by CacheContext() refers to a new EventManager, so it needs to explicitly set events to the original context.
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ctx.EventManager().EmitEvents(cacheCtx.EventManager().Events())
if ack == nil || ack.Success() {
// write application state changes for asynchronous and successful acknowledgements
writeFn()
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