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Move Storage Parser from Bridge Pallet (#793)

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* Move storage proof checker to runtime primtives

* Add method for parsing storage proofs

* Use finality-verifier pallet in runtime-common

* Get bridge pallet compiling again

* Use storage prover from bp-runtime in a few more places

* Don't leak `std` items from proof helper into `no-std` builds

* Fix benchmarking compilation

* Remove unused import in fuzzer
This commit is contained in:
Hernando Castano
2021-03-08 17:13:25 -05:00
committed by Bastian Köcher
parent 80533af331
commit 51db99ea79
9 changed files with 128 additions and 60 deletions
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bridges/modules/substrate/src/lib.rs
+4 -7
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@@ -46,10 +46,7 @@ use sp_trie::StorageProof;
// Re-export since the node uses these when configuring genesis
pub use storage::{InitializationData, ScheduledChange};
pub use storage_proof::StorageProofChecker;
mod storage;
mod storage_proof;
mod verifier;
#[cfg(test)]
@@ -355,7 +352,7 @@ impl<T: Config> Module<T> {
pub fn parse_finalized_storage_proof<R>(
finalized_header_hash: BridgedBlockHash<T>,
storage_proof: StorageProof,
parse: impl FnOnce(StorageProofChecker<BridgedBlockHasher<T>>) -> R,
parse: impl FnOnce(bp_runtime::StorageProofChecker<BridgedBlockHasher<T>>) -> R,
) -> Result<R, sp_runtime::DispatchError> {
let storage = PalletStorage::<T>::new();
let header = storage
@@ -365,8 +362,8 @@ impl<T: Config> Module<T> {
return Err(Error::<T>::UnfinalizedHeader.into());
}
let storage_proof_checker =
StorageProofChecker::new(*header.state_root(), storage_proof).map_err(Error::<T>::from)?;
let storage_proof_checker = bp_runtime::StorageProofChecker::new(*header.state_root(), storage_proof)
.map_err(|_| Error::<T>::StorageRootMismatch)?;
Ok(parse(storage_proof_checker))
}
}
@@ -898,7 +895,7 @@ mod tests {
fn parse_finalized_storage_accepts_valid_proof() {
run_test(|| {
let mut storage = PalletStorage::<TestRuntime>::new();
let (state_root, storage_proof) = storage_proof::tests::craft_valid_storage_proof();
let (state_root, storage_proof) = bp_runtime::craft_valid_storage_proof();
let mut header = unfinalized_header(1);
header.is_finalized = true;
header.header.set_state_root(state_root);