本文整理汇总了Golang中github.com/piotrnar/gocoin/lib/btc.Block.Version方法的典型用法代码示例。如果您正苦于以下问题:Golang Block.Version方法的具体用法?Golang Block.Version怎么用?Golang Block.Version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类github.com/piotrnar/gocoin/lib/btc.Block
的用法示例。
在下文中一共展示了Block.Version方法的2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: CheckBlock
func (ch *Chain) CheckBlock(bl *btc.Block) (er error, dos bool, maybelater bool) {
// Size limits
if len(bl.Raw) < 81 || len(bl.Raw) > btc.MAX_BLOCK_SIZE {
er = errors.New("CheckBlock() : size limits failed")
dos = true
return
}
if bl.Version() == 0 {
er = errors.New("CheckBlock() : Block version 0 not allowed")
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")
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")
return
}
}
prevblk, ok := ch.BlockIndex[btc.NewUint256(bl.ParentHash()).BIdx()]
if !ok {
er = errors.New("CheckBlock: " + bl.Hash.String() + " parent not found")
maybelater = true
return
}
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(height) >= MovingCheckopintDepth {
er = errors.New(fmt.Sprint("CheckBlock: btc.Block ", bl.Hash.String(),
" hooks too deep into the chain: ", height, "/", ch.BlockTreeEnd.Height, " ",
btc.NewUint256(bl.ParentHash()).String()))
return
}
// Check proof of work
gnwr := ch.GetNextWorkRequired(prevblk, bl.BlockTime())
if bl.Bits() != gnwr {
println("AcceptBlock() : incorrect proof of work ", bl.Bits, " at block", height, " exp:", gnwr)
// Here is a "solution" for whatever shit there is in testnet3, that nobody can explain me:
if !ch.testnet() || (height%2016) != 0 {
er = errors.New("CheckBlock: incorrect proof of work")
dos = true
return
}
}
// Count block versions within the Majority Window
var majority_v2, majority_v3 uint
n := prevblk
for cnt := uint(0); cnt < ch.Consensus.Window && n != nil; cnt++ {
ver := binary.LittleEndian.Uint32(n.BlockHeader[0:4])
if ver >= 2 {
majority_v2++
if ver >= 3 {
majority_v3++
}
}
n = n.Parent
}
if bl.Version() < 2 && majority_v2 >= ch.Consensus.RejectBlock {
er = errors.New("CheckBlock() : Rejected nVersion=1 block")
dos = true
return
}
if bl.Version() < 3 && majority_v3 >= ch.Consensus.RejectBlock {
er = errors.New("CheckBlock() : Rejected nVersion=2 block")
dos = true
return
}
if bl.Txs == nil {
er = bl.BuildTxList()
if er != nil {
dos = true
return
}
}
if !bl.Trusted {
if bl.Version() >= 2 && majority_v2 >= ch.Consensus.EnforceUpgrade {
var exp []byte
if height >= 0x800000 {
//.........这里部分代码省略.........
示例2: 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
}