github.com/kisexp/xdchain@v0.0.0-20211206025815-490d6b732aa7/consensus/istanbul/common/constants.go (about) 1 package istanbulcommon 2 3 import ( 4 "math/big" 5 6 "github.com/kisexp/xdchain/common/hexutil" 7 "github.com/kisexp/xdchain/core/types" 8 ) 9 10 var ( 11 DefaultDifficulty = big.NewInt(1) 12 NilUncleHash = types.CalcUncleHash(nil) // Always Keccak256(RLP([])) as uncles are meaningless outside of PoW. 13 EmptyBlockNonce = types.BlockNonce{} 14 NonceAuthVote = hexutil.MustDecode("0xffffffffffffffff") // Magic nonce number to vote on adding a new validator 15 NonceDropVote = hexutil.MustDecode("0x0000000000000000") // Magic nonce number to vote on removing a validator. 16 )