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Block deletion, to be used for pruning

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Ignotus Peverell 2018-02-14 23:25:12 +00:00
parent 8bdf0be73e
commit b82fa0ea1d
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2 changed files with 10 additions and 0 deletions
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6
chain/src/store.rs
View file

@ -124,6 +124,12 @@ impl ChainStore for ChainKVStore {
batch.write()
}
/// Delete a full block. Does not delete any record associated with a block
/// header.
fn delete_block(&self, bh: &Hash) -> Result<(), Error> {
self.db.delete(&to_key(BLOCK_PREFIX, &mut bh.to_vec())[..])
}
fn is_on_current_chain(&self, header: &BlockHeader) -> Result<(), Error> {
let header_at_height = self.get_header_by_height(header.height)?;
if header.hash() == header_at_height.hash() {

4
chain/src/types.rs
View file

@ -228,6 +228,10 @@ pub trait ChainStore: Send + Sync {
/// Save the provided block in store
fn save_block(&self, b: &Block) -> Result<(), store::Error>;
/// Delete a full block. Does not delete any record associated with a block
/// header.
fn delete_block(&self, bh: &Hash) -> Result<(), store::Error>;
/// Save the provided block header in store
fn save_block_header(&self, bh: &BlockHeader) -> Result<(), store::Error>;