Example #1
0
        // 获取最新高度MC块
        public Block GetLastMcBlock()
        {
            var levelDBStore = Entity.Root.GetComponent <LevelDBStore>();

            // 取最新高度
            long.TryParse(levelDBStore.Get("UndoHeight"), out long transferHeight);
            var chain1 = BlockChainHelper.GetBlockChain(transferHeight);
            var chain2 = chain1.GetMcBlockNext();

            while (chain2 != null)
            {
                chain1 = chain2;
                if (chain1.height >= transferHeight + 10)
                {
                    chain2 = null;
                }
                else
                {
                    chain2 = chain1.GetMcBlockNext();
                }
            }

            if (DelBlockWithHeightTime.IsPassSet())
            {
                blockMgr.DelBlockWithHeight(consensus, chain1.height);
            }

            Block blk1 = chain1.GetMcBlock();

            // 2F1
            double       t_2max = consensus.GetRuleCount(blk1.height + 1);
            List <Block> blks   = blockMgr.GetBlock(blk1.height + 1);

            blks = BlockChainHelper.GetRuleBlk(consensus, blks, chain1.hash);
            if (blks.Count >= BlockChainHelper.Get2F1(t_2max))
            {
                chain2 = BlockChainHelper.GetMcBlockNextNotBeLink(chain1);
                if (chain2 != null)
                {
                    var    blk2   = chain2.GetMcBlock();
                    double t_1max = consensus.GetRuleCount(blk2.height - 1);
                    if (blk2.linksblk.Count >= BlockChainHelper.Get2F1(t_1max))
                    {
                        return(blk2);
                    }
                }
            }

            // Auxiliary Address
            var blkAuxiliary = blks.Find((x) => { return(x.Address == consensus.auxiliaryAddress); });

            //if (blkAuxiliary != null && blkAuxiliary.Address == consensus.auxiliaryAddress && blks.Count >= Math.Min(2, consensus.GetRuleCount(blk1.height+1)) )
            if (blkAuxiliary != null && blkAuxiliary.Address == consensus.auxiliaryAddress && blks.Count >= Math.Max(2, (BlockChainHelper.Get2F1(t_2max) / 2)))
            {
                return(blkAuxiliary);
            }

            return(blk1);
        }
Example #2
0
        // 获取最新高度MC块
        public Block GetLastMcBlock()
        {
            var levelDBStore = Entity.Root.GetComponent <LevelDBStore>();

            // 取最新高度 去TopBlock
            long.TryParse(levelDBStore.Get("UndoHeight"), out long transferHeight);
            var chain1 = BlockChainHelper.GetBlockChain(transferHeight);
            var chain2 = chain1.GetMcBlockNext();

            while (chain2 != null)
            {
                chain1 = chain2;
                chain2 = chain2.GetMcBlockNext();
            }

            blockMgr.DelBlockWithWeight(consensus, chain1.hash, chain1.height);
            Block blk1 = chain1.GetMcBlock();

            // 2F1
            float        timestamp = TimeHelper.NowSeconds();
            double       t_2max    = consensus.GetRuleCount(blk1.height + 1);
            List <Block> blks      = blockMgr.GetBlock(blk1.height + 1);

            blks = BlockChainHelper.GetRuleBlk(consensus, blks, chain1.hash);
            if (blks.Count >= BlockChainHelper.Get2F1(t_2max))
            {
                chain2 = BlockChainHelper.GetMcBlockNextNotBeLink(chain1, timestamp, pooltime);
                if (chain2 != null)
                {
                    var    blk2   = chain2.GetMcBlock();
                    double t_1max = consensus.GetRuleCount(blk2.height - 1);
                    if (blk2.linksblk.Count >= BlockChainHelper.Get2F1(t_1max))
                    {
                        return(blk2);
                    }
                }
            }

            // Super Address
            var blkSuper = blks.Find((x) => { return(x.Address == consensus.superAddress); });

            //if (blkSuper != null && blkSuper.Address == consensus.superAddress && blks.Count >= Math.Min(2, consensus.GetRuleCount(blk1.height+1)) )
            if (blkSuper != null && blkSuper.Address == consensus.superAddress && blks.Count >= Math.Max(2, (BlockChainHelper.Get2F1(t_2max) / 2)))
            {
                return(blkSuper);
            }

            return(blk1);
        }
Example #3
0
        public static int CheckChain(BlockChain chain, List <Block> blks2, BlockMgr blockMgr, Consensus consensus)
        {
            blks2 = blks2 ?? blockMgr.GetBlock(chain.height + 1);

            int rel = IsIrreversible(consensus, chain.GetMcBlock(), blks2) ? 2 : 0;

            var blksRule     = BlockChainHelper.GetRuleBlk(consensus, blks2, chain.hash);
            var blkAuxiliary = blksRule.Find((x) => { return(x.Address == consensus.auxiliaryAddress); });
            //if (blkAuxiliary != null && blkAuxiliary.Address == consensus.auxiliaryAddress && blksRule.Count >= Math.Min(2, consensus.GetRuleCount(chain.height + 1)))
            var t_2max = consensus.GetRuleCount(chain.height + 1);

            if (blkAuxiliary != null && blkAuxiliary.Address == consensus.auxiliaryAddress && blksRule.Count >= Math.Max(2, (BlockChainHelper.Get2F1(t_2max) / 2)))
            {
                rel = rel + 1;
            }
            chain.checkWeight = rel;
            return(rel);
        }