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Storage chains: serve transactions over IPFS/bitswap (#7963)

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* IPFS server for transactions

* Style

* Indent

* Log message

* CLI option

* Apply suggestions from code review

Co-authored-by: Pierre Krieger <pierre.krieger1708@gmail.com>

* Style

* Style

* Minor fixes

Co-authored-by: Pierre Krieger <pierre.krieger1708@gmail.com>
This commit is contained in:
Arkadiy Paronyan
2021-02-03 08:14:23 +01:00
committed by GitHub
parent 3628998d3c
commit e905c9a92d
19 changed files with 574 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/client/db/src/lib.rs
+19 -15
View File
@@ -448,20 +448,6 @@ impl<Block: BlockT> BlockchainDb<Block> {
header.digest().log(DigestItem::as_changes_trie_root)
.cloned()))
}
fn extrinsic(&self, hash: &Block::Hash) -> ClientResult<Option<Block::Extrinsic>> {
match self.db.get(columns::TRANSACTION, hash.as_ref()) {
Some(ex) => {
match Decode::decode(&mut &ex[..]) {
Ok(ex) => Ok(Some(ex)),
Err(err) => Err(sp_blockchain::Error::Backend(
format!("Error decoding extrinsic {}: {}", hash, err)
)),
}
},
None => Ok(None),
}
}
}
impl<Block: BlockT> sc_client_api::blockchain::HeaderBackend<Block> for BlockchainDb<Block> {
@@ -532,7 +518,7 @@ impl<Block: BlockT> sc_client_api::blockchain::Backend<Block> for BlockchainDb<B
match Vec::<Block::Hash>::decode(&mut &body[..]) {
Ok(hashes) => {
let extrinsics: ClientResult<Vec<Block::Extrinsic>> = hashes.into_iter().map(
|h| self.extrinsic(&h) .and_then(|maybe_ex| maybe_ex.ok_or_else(
|h| self.extrinsic(&h).and_then(|maybe_ex| maybe_ex.ok_or_else(
|| sp_blockchain::Error::Backend(
format!("Missing transaction: {}", h))))
).collect();
@@ -576,6 +562,24 @@ impl<Block: BlockT> sc_client_api::blockchain::Backend<Block> for BlockchainDb<B
fn children(&self, parent_hash: Block::Hash) -> ClientResult<Vec<Block::Hash>> {
children::read_children(&*self.db, columns::META, meta_keys::CHILDREN_PREFIX, parent_hash)
}
fn extrinsic(&self, hash: &Block::Hash) -> ClientResult<Option<Block::Extrinsic>> {
match self.db.get(columns::TRANSACTION, hash.as_ref()) {
Some(ex) => {
match Decode::decode(&mut &ex[..]) {
Ok(ex) => Ok(Some(ex)),
Err(err) => Err(sp_blockchain::Error::Backend(
format!("Error decoding extrinsic {}: {}", hash, err)
)),
}
},
None => Ok(None),
}
}
fn have_extrinsic(&self, hash: &Block::Hash) -> ClientResult<bool> {
Ok(self.db.contains(columns::TRANSACTION, hash.as_ref()))
}
}
impl<Block: BlockT> sc_client_api::blockchain::ProvideCache<Block> for BlockchainDb<Block> {
substrate/client/db/src/utils.rs
+7 -1
View File
@@ -401,7 +401,13 @@ pub fn read_meta<Block>(db: &dyn Database<DbHash>, col_header: u32) -> Result<
}
{
let hash = header.hash();
debug!("DB Opened blockchain db, fetched {} = {:?} ({})", desc, hash, header.number());
debug!(
target: "db",
"Opened blockchain db, fetched {} = {:?} ({})",
desc,
hash,
header.number()
);
Ok((hash, *header.number()))
} else {
Ok((genesis_hash.clone(), Zero::zero()))