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eth/filters: use map[common.Hash]struct{} instead of map[common.Hash]bool for txListen

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This commit is contained in:
Domino Valdano 2018-04-15 19:57:03 -07:00
parent 066c9f368e
commit d97a1c6f75
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GPG key ID: 3FDFE30EE92AC05E
1 changed files with 3 additions and 3 deletions
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6
eth/filters/api.go
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@ -269,7 +269,7 @@ func (api *PublicFilterAPI) ReturnData(ctx context.Context) (*rpc.Subscription,
return &rpc.Subscription{}, rpc.ErrNotificationsUnsupported
}
txListen := make(map[common.Hash]bool)
txListen := make(map[common.Hash]struct{})
rpcSub := notifier.CreateSubscription()
rpcSub.SetType(rpc.ReturnDataSubscription)
@ -284,12 +284,12 @@ func (api *PublicFilterAPI) ReturnData(ctx context.Context) (*rpc.Subscription,
// client submitted new tx, save hash for later
hash, ishash := msg.(common.Hash)
if ishash {
txListen[hash] = true
txListen[hash] = struct{}{}
} else {
log.Warn(fmt.Sprintf("Received update msg of invalid type %s for ReturnData subscription", reflect.TypeOf(msg).String()))
}
case retdata := <-retCh:
if txListen[retdata.TxHash] {
if _, has := txListen[retdata.TxHash]; has {
// tx from client just completed execution--send back return data
notifier.Notify(rpcSub.ID, retdata)
}