static public BlockChain GetMcBlockNext2F1(this BlockChain chain, BlockMgr bm = null, Consensus cos = null)
{
var blockMgr = bm ?? Entity.Root.GetComponent <BlockMgr>();
var consensus = cos ?? Entity.Root.GetComponent <Consensus>();
List <Block> blks = blockMgr.GetBlock(chain.height + 1);
List <Block> blks2 = blockMgr.GetBlock(chain.height + 2);
for (int ii = blks.Count - 1; ii >= 0; ii--)
{
if (chain.hash != blks[ii].prehash || !BlockChainHelper.IsIrreversible(consensus, blks[ii], blks2))
{
blks.RemoveAt(ii);
}
}
if (blks.Count == 0)
{
return(null);
}
Block mcBlk = blks[0];
double mcWeight = GetBlockWeight(consensus, mcBlk, blks2);
for (int ii = 1; ii < blks.Count; ii++)
{
Block blk = blks[ii];
double weight = GetBlockWeight(consensus, blk, blks2);
if (weight > mcWeight)
{
mcBlk = blk;
mcWeight = weight;
}
else
if (weight == mcWeight)
{
if (blk.hash.CompareTo(mcBlk.hash) > 0)
{
mcBlk = blk;
mcWeight = weight;
}
}
}
return(new BlockChain()
{
hash = mcBlk.hash, height = mcBlk.height
});
}
public bool ApplyHeight(BlockChain blockChain)
{
if (blockChain == null)
{
return(false);
}
// 应用高度不是下一高度
long.TryParse(levelDBStore.Get("UndoHeight"), out transferHeight);
if (blockChain.height - 1 != transferHeight)
{
return(false);
}
Block mcblk = blockChain.GetMcBlock();
if (mcblk == null)
{
return(false);
}
Block preblk = BlockChainHelper.GetMcBlock(transferHeight);
if (mcblk.prehash != preblk.hash)
{
return(false);
}
LuaVMEnv luaVMEnv = Entity.Root.GetComponent <LuaVMEnv>();
ruleInfos = luaVMEnv.GetRules(consAddress, transferHeight);
// --------------------------------------------------
calculatePower.Insert(mcblk);
//Log.Debug($"ApplyHeight={blockChain.height}, {calculatePower.GetPower()}, {mcblk.GetDiff()}");
using (DbSnapshot dbSnapshot = levelDBStore.GetSnapshotUndo(blockChain.height))
{
blockChain.Apply(dbSnapshot);
ApplyReward(dbSnapshot, mcblk);
if (GetRuleCount(mcblk.height - 1, 2) >= 2 && BlockChainHelper.IsIrreversible(this, mcblk))
{
dbSnapshot.Add("2F1Height", mcblk.height.ToString());
}
// 连接块交易
for (int ii = 0; ii < mcblk.linksblk.Count; ii++)
{
Block linkblk = blockMgr.GetBlock(mcblk.linksblk[ii]);
if (linkblk == null)
{
return(false);
}
if (linkblk.height != 1)
{
for (int jj = 0; jj < linkblk.linkstran.Count; jj++)
{
if (!ApplyTransfer(dbSnapshot, linkblk.linkstran[jj], linkblk.height))
{
return(false);
}
if (!ApplyContract(dbSnapshot, linkblk.linkstran[jj], linkblk.height))
{
return(false);
}
}
}
}
dbSnapshot.Commit();
}
ruleInfos = luaVMEnv.GetRules(consAddress, mcblk.height, true);
return(true);
}