diff options
Diffstat (limited to 'core/crypto.go')
| -rw-r--r-- | core/crypto.go | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/core/crypto.go b/core/crypto.go index 9a0d99d..ceb38f0 100644 --- a/core/crypto.go +++ b/core/crypto.go @@ -25,30 +25,6 @@ import ( "github.com/dexon-foundation/dexon-consensus-core/core/types" ) -func hashWitness(block *types.Block) (common.Hash, error) { - binaryTime, err := block.Witness.Timestamp.MarshalBinary() - if err != nil { - return common.Hash{}, err - } - binaryHeight := make([]byte, 8) - binary.LittleEndian.PutUint64(binaryHeight, block.Witness.Height) - hash := crypto.Keccak256Hash( - block.Witness.ParentHash[:], - binaryTime, - binaryHeight, - block.Witness.Data[:]) - return hash, nil -} - -func verifyWitnessSignature(pubkey crypto.PublicKey, - witnessBlock *types.Block, sig crypto.Signature) (bool, error) { - hash, err := hashWitness(witnessBlock) - if err != nil { - return false, err - } - return pubkey.VerifySignature(hash, sig), nil -} - func hashBlock(block *types.Block) (common.Hash, error) { hashPosition := hashPosition(block.Position) // Handling Block.Acks. @@ -129,9 +105,6 @@ func verifyCRSSignature(block *types.Block, crs common.Hash) ( } func hashPosition(position types.Position) common.Hash { - binaryShardID := make([]byte, 4) - binary.LittleEndian.PutUint32(binaryShardID, position.ShardID) - binaryChainID := make([]byte, 4) binary.LittleEndian.PutUint32(binaryChainID, position.ChainID) @@ -139,7 +112,6 @@ func hashPosition(position types.Position) common.Hash { binary.LittleEndian.PutUint64(binaryHeight, position.Height) return crypto.Keccak256Hash( - binaryShardID, binaryChainID, binaryHeight, ) |