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Initialize sumtree if genesis isn't empty

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Ignotus Peverell 2018-03-01 03:08:35 +00:00
parent 9fa344383c
commit 07df881a72
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GPG key ID: 99CD25F39F8F8211
1 changed files with 14 additions and 13 deletions
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27
chain/src/chain.rs
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@ -151,16 +151,24 @@ impl Chain {
) -> Result<Chain, Error> {
let chain_store = store::ChainKVStore::new(db_root.clone())?;
let store = Arc::new(chain_store);
let mut sumtrees = sumtree::SumTrees::open(db_root.clone(), store.clone())?;
// check if we have a head in store, otherwise the genesis block is it
let head = match chain_store.head() {
let head = match store.head() {
Ok(tip) => tip,
Err(NotFoundErr) => {
let tip = Tip::new(genesis.hash());
chain_store.save_block(&genesis)?;
chain_store.setup_height(&genesis.header, &tip)?;
store.save_block(&genesis)?;
store.setup_height(&genesis.header, &tip)?;
if genesis.kernels.len() > 0 {
sumtree::extending(&mut sumtrees, |extension| {
extension.apply_block(&genesis)
})?;
}
// saving a new tip based on genesis
chain_store.save_head(&tip)?;
store.save_head(&tip)?;
info!(
LOGGER,
"Saved genesis block: {:?}, nonce: {:?}, pow: {:?}",
@ -175,16 +183,9 @@ impl Chain {
// Reset sync_head and header_head to head of current chain.
// Make sure sync_head is available for later use when needed.
chain_store.reset_head()?;
store.reset_head()?;
info!(
LOGGER,
"Chain init: {:?}",
head,
);
let store = Arc::new(chain_store);
let sumtrees = sumtree::SumTrees::open(db_root.clone(), store.clone())?;
debug!(LOGGER, "Chain init: {:?}", head);
Ok(Chain {
db_root: db_root,