diff options
Diffstat (limited to 'core/db/interfaces.go')
| -rw-r--r-- | core/db/interfaces.go | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/core/db/interfaces.go b/core/db/interfaces.go index 3ffba4a..ebbbbd4 100644 --- a/core/db/interfaces.go +++ b/core/db/interfaces.go @@ -22,6 +22,7 @@ import ( "fmt" "github.com/dexon-foundation/dexon-consensus/common" + "github.com/dexon-foundation/dexon-consensus/core/crypto/dkg" "github.com/dexon-foundation/dexon-consensus/core/types" ) @@ -43,6 +44,12 @@ var ( // current cached one. ErrInvalidCompactionChainTipHeight = fmt.Errorf( "invalid compaction chain tip height") + // ErrDKGPrivateKeyExists raised when attempting to save DKG private key + // that already saved. + ErrDKGPrivateKeyExists = errors.New("dkg private key exists") + // ErrDKGPrivateKeyDoesNotExist raised when the DKG private key of the + // requested round does not exists. + ErrDKGPrivateKeyDoesNotExist = errors.New("dkg private key does not exists") ) // Database is the interface for a Database. @@ -65,6 +72,10 @@ type Reader interface { // of the tip block of compaction chain. Empty hash and zero height means // the compaction chain is empty. GetCompactionChainTipInfo() (common.Hash, uint64) + + // DKG Private Key related methods. + HasDKGPrivateKey(round uint64) (bool, error) + GetDKGPrivateKey(round uint64) (dkg.PrivateKey, error) } // Writer defines the interface for writing blocks into DB. @@ -72,6 +83,7 @@ type Writer interface { UpdateBlock(block types.Block) error PutBlock(block types.Block) error PutCompactionChainTipInfo(common.Hash, uint64) error + PutDKGPrivateKey(uint64, dkg.PrivateKey) error } // BlockIterator defines an iterator on blocks hold |