Patch for concurrent iterator & others (onto v1.11.6) #386

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roysc wants to merge 1565 commits from v1.11.6-statediff-v5 into master
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@ -60,8 +60,11 @@ func (b *LesApiBackend) SetHead(number uint64) {
}
func (b *LesApiBackend) HeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Header, error) {
// Return the latest current as the pending one since there
// is no pending notion in the light client. TODO(rjl493456442)
// unify the behavior of `HeaderByNumber` and `PendingBlockAndReceipts`.
if number == rpc.PendingBlockNumber {
return nil, nil
return b.eth.blockchain.CurrentHeader(), nil
}
if number == rpc.LatestBlockNumber {
return b.eth.blockchain.CurrentHeader(), nil