cosmos-sdk/store/dbstoreadapter.go

67 lines
1.6 KiB
Go

package store
import (
"io"
sdk "github.com/cosmos/cosmos-sdk/types"
dbm "github.com/tendermint/tendermint/libs/db"
)
// Wrapper type for dbm.Db with implementation of KVStore
type dbStoreAdapter struct {
dbm.DB
}
// Implements Store.
func (dbStoreAdapter) GetStoreType() StoreType {
return sdk.StoreTypeDB
}
// Implements KVStore.
func (dsa dbStoreAdapter) CacheWrap() CacheWrap {
return NewCacheKVStore(dsa)
}
// CacheWrapWithTrace implements the KVStore interface.
func (dsa dbStoreAdapter) CacheWrapWithTrace(w io.Writer, tc TraceContext) CacheWrap {
return NewCacheKVStore(NewTraceKVStore(dsa, w, tc))
}
// Implements KVStore
func (dsa dbStoreAdapter) Prefix(prefix []byte) KVStore {
return prefixStore{dsa, prefix}
}
// Implements KVStore
func (dsa dbStoreAdapter) Gas(meter GasMeter, config GasConfig) KVStore {
return NewGasKVStore(meter, config, dsa)
}
// dbm.DB implements KVStore so we can CacheKVStore it.
var _ KVStore = dbStoreAdapter{}
//----------------------------------------
// commitDBStoreWrapper should only be used for simulation/debugging,
// as it doesn't compute any commit hash, and it cannot load older state.
// Wrapper type for dbm.Db with implementation of KVStore
type commitDBStoreAdapter struct {
dbStoreAdapter
}
func (cdsa commitDBStoreAdapter) Commit() CommitID {
return CommitID{
Version: -1,
Hash: []byte("FAKE_HASH"),
}
}
func (cdsa commitDBStoreAdapter) LastCommitID() CommitID {
return CommitID{
Version: -1,
Hash: []byte("FAKE_HASH"),
}
}
func (cdsa commitDBStoreAdapter) SetPruning(_ PruningStrategy) {}