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Use storage::exists host function instead of ::get. #7445

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Oct 28, 2020
Merged

Use storage::exists host function instead of ::get. #7445

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6183b57
Make sure to use the optimized method instead of reading the storage.
tomusdrw Oct 27, 2020
2c973f1
Merge branch 'master' into td-storage-exists
tomusdrw Oct 28, 2020
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2 changes: 1 addition & 1 deletion frame/support/src/storage/unhashed.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -83,7 +83,7 @@ pub fn take_or_else<T: Decode + Sized, F: FnOnce() -> T>(key: &[u8], default_val

/// Check to see if `key` has an explicit entry in storage.
pub fn exists(key: &[u8]) -> bool {
sp_io::storage::read(key, &mut [0;0][..], 0).is_some()
sp_io::storage::exists(key)
}

/// Ensure `key` has no explicit entry in storage.
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