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eth/filters: use a sole context
Signed-off-by: jsvisa <delweng@gmail.com>
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commit
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1 changed files with 4 additions and 1 deletions
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@ -275,6 +275,9 @@ func (api *FilterAPI) Logs(ctx context.Context, crit FilterCriteria) (*rpc.Subsc
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)
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syncHistLogs := func(n int64) error {
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// the ctx will be canceled after this function is called
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// and we are run in a background goroutine, use a new context instead
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cctx := context.Background()
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for {
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// get the latest block header
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head := api.sys.backend.CurrentHeader().Number.Int64()
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@ -284,7 +287,7 @@ func (api *FilterAPI) Logs(ctx context.Context, crit FilterCriteria) (*rpc.Subsc
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// do historical sync from n to head
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f := api.sys.NewRangeFilter(n, head, crit.Addresses, crit.Topics)
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logChan, errChan := f.rangeLogsAsync(ctx)
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logChan, errChan := f.rangeLogsAsync(cctx)
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// subscribe rmLogs
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query := ethereum.FilterQuery{FromBlock: big.NewInt(n), ToBlock: big.NewInt(head), Addresses: crit.Addresses, Topics: crit.Topics}
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