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cut off headers after first missing

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This commit is contained in:
Robert Habermeier 2016-11-15 15:47:08 +01:00
parent abf39fde0a
commit cb54152c23
1 changed files with 1 additions and 1 deletions
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2
ethcore/src/client/client.rs
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@ -1349,8 +1349,8 @@ impl light::Provider for Client {
.take_while(|x| if req.reverse { x < &start_num } else { best_num - start_num < *x })
.map(|x| if req.reverse { start_num - x } else { start_num + x })
.map(|x| self.block_header(BlockID::Number(x)))
.take_while(|x| x.is_some())
.flat_map(|x| x)
.fuse() // collect no more beyond the first `None`
.collect()
}