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Fix exists bug.

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Gav
2018-01-28 17:11:29 +01:00
parent bfd599e5de
commit 3491e1609e
3 changed files with 1 additions and 1 deletions
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substrate/wasm-runtime/polkadot/src/support/storage.rs
+1 -1
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@@ -87,7 +87,7 @@ pub fn take_or_else<T: Slicable + Sized, F: FnOnce() -> T>(key: &[u8], default_v
/// Check to see if `key` has an explicit entry in storage. /// Check to see if `key` has an explicit entry in storage.
pub fn exists(key: &[u8]) -> bool { pub fn exists(key: &[u8]) -> bool {
let mut x = [0u8; 1]; let mut x = [0u8; 1];
runtime_std::read_storage(&twox_128(key)[..], &mut x[..], 0) == 1 runtime_std::read_storage(&twox_128(key)[..], &mut x[..], 0) >= 1
} }
/// Ensure `key` has no explicit entry in storage. /// Ensure `key` has no explicit entry in storage.
substrate/wasm-runtime/target/wasm32-unknown-unknown/release/runtime_polkadot.compact.wasm
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substrate/wasm-runtime/target/wasm32-unknown-unknown/release/runtime_polkadot.wasm
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