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Derive Clone for AlwaysCanAuthor, NeverCanAuthor, CanAuthorWithNativeVersion (#6906)

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This commit is contained in:
Wei Tang
2020-08-17 21:07:30 +02:00
committed by GitHub
parent 41ca7d9127
commit 93c73b6509
1 changed files with 3 additions and 0 deletions
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substrate/primitives/consensus/common/src/lib.rs
+3
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@@ -212,6 +212,7 @@ pub trait CanAuthorWith<Block: BlockT> {
/// Checks if the node can author blocks by using
/// [`NativeVersion::can_author_with`](sp_version::NativeVersion::can_author_with).
#[derive(Clone)]
pub struct CanAuthorWithNativeVersion<T>(T);
impl<T> CanAuthorWithNativeVersion<T> {
@@ -239,6 +240,7 @@ impl<T: sp_version::GetRuntimeVersion<Block>, Block: BlockT> CanAuthorWith<Block
}
/// Returns always `true` for `can_author_with`. This is useful for tests.
#[derive(Clone)]
pub struct AlwaysCanAuthor;
impl<Block: BlockT> CanAuthorWith<Block> for AlwaysCanAuthor {
@@ -248,6 +250,7 @@ impl<Block: BlockT> CanAuthorWith<Block> for AlwaysCanAuthor {
}
/// Never can author.
#[derive(Clone)]
pub struct NeverCanAuthor;
impl<Block: BlockT> CanAuthorWith<Block> for NeverCanAuthor {