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pallet-mmr: move offchain logic to client-side gadget (#12753)

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* Move MMR utils methods from pallet to primitives

Signed-off-by: Serban Iorga <serban@parity.io>

* Add method to MmrApi

* Move forks expanding logic from babe to primitives

* Implement MMR gadget

* Remove prunning logic from the MMR pallet

* Code review changes: 1st iteration

* Replace MaybeCanonEngine with CanonEngineBuilder

* fix mmr_leaves_count() for kitchen sink demo

* Update client/merkle-mountain-range/src/canon_engine.rs

Co-authored-by: Adrian Catangiu <adrian@parity.io>

* Code review changes: 2nd iteration

* fix INDEXING_PREFIX

* impl review comments

* add documentation and minor rename

Signed-off-by: Serban Iorga <serban@parity.io>
Co-authored-by: Adrian Catangiu <adrian@parity.io>
This commit is contained in:
Serban Iorga
2022-11-29 16:39:52 +02:00
committed by GitHub
parent d56214c21f
commit ff439ee335
21 changed files with 1161 additions and 561 deletions
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substrate/bin/node/runtime/src/lib.rs
+4
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@@ -2066,6 +2066,10 @@ impl_runtime_apis! {
Ok(Mmr::mmr_root())
}
fn mmr_leaf_count() -> Result<mmr::LeafIndex, mmr::Error> {
Ok(Mmr::mmr_leaves())
}
fn generate_proof(
block_numbers: Vec<BlockNumber>,
best_known_block_number: Option<BlockNumber>,