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Golang Block.MedianPastTime方法代码示例

本文整理汇总了Golang中github.com/piotrnar/gocoin/lib/btc.Block.MedianPastTime方法的典型用法代码示例。如果您正苦于以下问题:Golang Block.MedianPastTime方法的具体用法?Golang Block.MedianPastTime怎么用?Golang Block.MedianPastTime使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在github.com/piotrnar/gocoin/lib/btc.Block的用法示例。


在下文中一共展示了Block.MedianPastTime方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。

示例1: PreCheckBlock

func (ch *Chain) PreCheckBlock(bl *btc.Block) (er error, dos bool, maybelater bool) {
	// Size limits
	if len(bl.Raw) < 81 {
		er = errors.New("CheckBlock() : size limits failed - RPC_Result:bad-blk-length")
		dos = true
		return
	}

	if bl.Version() == 0 {
		er = errors.New("CheckBlock() : Block version 0 not allowed - RPC_Result:bad-version")
		dos = true
		return
	}

	// Check proof-of-work
	if !btc.CheckProofOfWork(bl.Hash, bl.Bits()) {
		er = errors.New("CheckBlock() : proof of work failed - RPC_Result:high-hash")
		dos = true
		return
	}

	// Check timestamp (must not be higher than now +2 hours)
	if int64(bl.BlockTime()) > time.Now().Unix()+2*60*60 {
		er = errors.New("CheckBlock() : block timestamp too far in the future - RPC_Result:time-too-new")
		dos = true
		return
	}

	if prv, pres := ch.BlockIndex[bl.Hash.BIdx()]; pres {
		if prv.Parent == nil {
			// This is genesis block
			er = errors.New("Genesis")
			return
		} else {
			er = errors.New("CheckBlock: " + bl.Hash.String() + " already in - RPC_Result:duplicate")
			return
		}
	}

	prevblk, ok := ch.BlockIndex[btc.NewUint256(bl.ParentHash()).BIdx()]
	if !ok {
		er = errors.New("CheckBlock: " + bl.Hash.String() + " parent not found - RPC_Result:bad-prevblk")
		maybelater = true
		return
	}

	bl.Height = prevblk.Height + 1

	// Reject the block if it reaches into the chain deeper than our unwind buffer
	if prevblk != ch.BlockTreeEnd && int(ch.BlockTreeEnd.Height)-int(bl.Height) >= MovingCheckopintDepth {
		er = errors.New(fmt.Sprint("CheckBlock: btc.Block ", bl.Hash.String(),
			" hooks too deep into the chain: ", bl.Height, "/", ch.BlockTreeEnd.Height, " ",
			btc.NewUint256(bl.ParentHash()).String(), " - RPC_Result:bad-prevblk"))
		return
	}

	// Check proof of work
	gnwr := ch.GetNextWorkRequired(prevblk, bl.BlockTime())
	if bl.Bits() != gnwr {
		er = errors.New("CheckBlock: incorrect proof of work - RPC_Result:bad-diffbits")
		dos = true
		return
	}

	// Check timestamp against prev
	bl.MedianPastTime = prevblk.GetMedianTimePast()
	if bl.BlockTime() <= bl.MedianPastTime {
		er = errors.New("CheckBlock: block's timestamp is too early - RPC_Result:time-too-old")
		dos = true
		return
	}

	if bl.Version() < 2 && bl.Height >= ch.Consensus.BIP34Height ||
		bl.Version() < 3 && bl.Height >= ch.Consensus.BIP66Height ||
		bl.Version() < 4 && bl.Height >= ch.Consensus.BIP65Height {
		// bad block version
		erstr := fmt.Sprintf("0x%08x", bl.Version())
		er = errors.New("CheckBlock() : Rejected Version=" + erstr + " blolck - RPC_Result:bad-version(" + erstr + ")")
		dos = true
		return
	}
	return
}
开发者ID:piotrnar,项目名称:gocoin,代码行数:83,代码来源:block_check.go


注:本文中的github.com/piotrnar/gocoin/lib/btc.Block.MedianPastTime方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。