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eth/filters: check hist only mode

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Signed-off-by: Delweng <delweng@gmail.com>
This commit is contained in:
Delweng 2023-06-13 18:11:14 +08:00 committed by jsvisa
parent f50087ebc7
commit 8c429c95b3
2 changed files with 13 additions and 10 deletions
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13
eth/filters/api.go
View file

@ -398,16 +398,19 @@ func (api *FilterAPI) logs(ctx context.Context, notifier notifier, rpcSub *rpc.S
return api.liveLogs(ctx, notifier, rpcSub, crit)
}
// if toBlock is limited and handled, no need to subscribe live logs anymore
if toBlock := crit.ToBlock; toBlock != nil {
if header := api.sys.backend.CurrentHeader(); header != nil && toBlock.Sign() > 0 && toBlock.Cmp(header.Number) <= 0 {
return errors.New("historical only log subscription is not supported")
}
}
go func() {
// do historical sync first
head, err := api.histLogs(ctx, notifier, rpcSub, crit)
_, err := api.histLogs(ctx, notifier, rpcSub, crit)
if err != nil {
return
}
// if toBlock is limited and handled, no need to subscribe live logs anymore
if toBlock := crit.ToBlock; toBlock != nil && toBlock.Sign() > 0 && toBlock.Cmp(big.NewInt(head)) <= 0 {
return
}
// then subscribe from the header
api.liveLogs(ctx, notifier, rpcSub, crit)
}()

10
eth/filters/filter_system_test.go
View file

@ -799,11 +799,11 @@ func TestLogsSubscription(t *testing.T) {
FilterCriteria{FromBlock: big.NewInt(1), ToBlock: pendingBlockNumber},
allLogs, newMockNotifier(), &rpc.Subscription{ID: rpc.NewID()}, nil,
},
// from 1 to 3
{
FilterCriteria{FromBlock: big.NewInt(1), ToBlock: big.NewInt(3)},
allLogs[0:3], newMockNotifier(), &rpc.Subscription{ID: rpc.NewID()}, nil,
},
// // from 1 to 3
// {
// FilterCriteria{FromBlock: big.NewInt(1), ToBlock: big.NewInt(3)},
// allLogs[0:3], newMockNotifier(), &rpc.Subscription{ID: rpc.NewID()}, nil,
// },
}
// subscribe logs