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Run offchain workers at hash, not number. (#4878)

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* Run offchain workers at particular hash, not number.

* Don't run if not new best.

* Don't run if not new best.

* Update client/service/src/builder.rs

Co-Authored-By: Nikolay Volf <nikvolf@gmail.com>

* Update client/service/src/builder.rs

Co-Authored-By: Nikolay Volf <nikvolf@gmail.com>

* Update client/service/src/builder.rs

Co-authored-by: Nikolay Volf <nikvolf@gmail.com>
This commit is contained in:
Tomasz Drwięga
2020-02-11 00:41:59 +01:00
committed by GitHub
parent ef7d19ed93
commit 05b3e1f654
4 changed files with 30 additions and 23 deletions
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substrate/primitives/blockchain/src/backend.rs
+7 -3
View File
@@ -59,19 +59,23 @@ pub trait HeaderBackend<Block: BlockT>: Send + Sync {
/// Get block header. Returns `UnknownBlock` error if block is not found.
fn expect_header(&self, id: BlockId<Block>) -> Result<Block::Header> {
self.header(id)?.ok_or_else(|| Error::UnknownBlock(format!("{}", id)))
self.header(id)?.ok_or_else(|| Error::UnknownBlock(format!("Expect header: {}", id)))
}
/// Convert an arbitrary block ID into a block number. Returns `UnknownBlock` error if block is not found.
fn expect_block_number_from_id(&self, id: &BlockId<Block>) -> Result<NumberFor<Block>> {
self.block_number_from_id(id)
.and_then(|n| n.ok_or_else(|| Error::UnknownBlock(format!("{}", id))))
.and_then(|n| n.ok_or_else(||
Error::UnknownBlock(format!("Expect block number from id: {}", id))
))
}
/// Convert an arbitrary block ID into a block hash. Returns `UnknownBlock` error if block is not found.
fn expect_block_hash_from_id(&self, id: &BlockId<Block>) -> Result<Block::Hash> {
self.block_hash_from_id(id)
.and_then(|n| n.ok_or_else(|| Error::UnknownBlock(format!("{}", id))))
.and_then(|n| n.ok_or_else(||
Error::UnknownBlock(format!("Expect block hash from id: {}", id))
))
}
}