本文整理匯總了Golang中github.com/btcsuite/btcd/wire.BlockHeader.PrevBlock方法的典型用法代碼示例。如果您正苦於以下問題：Golang BlockHeader.PrevBlock方法的具體用法？Golang BlockHeader.PrevBlock怎麽用？Golang BlockHeader.PrevBlock使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/btcsuite/btcd/wire.BlockHeader的用法示例。
在下文中一共展示了BlockHeader.PrevBlock方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: Test_dupTx
//.........這裏部分代碼省略.........
newheight, err := db.InsertBlock(block)
if err != nil {
t.Errorf("failed to insert block %v err %v", height, err)
break out
}
if newheight != height {
t.Errorf("height mismatch expect %v returned %v", height, newheight)
break out
}
newSha, blkid, err := db.NewestSha()
if err != nil {
t.Errorf("failed to obtain latest sha %v %v", height, err)
}
if blkid != height {
t.Errorf("height doe not match latest block height %v %v %v", blkid, height, err)
}
blkSha := block.Sha()
if *newSha != *blkSha {
t.Errorf("Newest block sha does not match freshly inserted one %v %v %v ", newSha, blkSha, err)
}
lastSha = blkSha
}
// generate a new block based on the last sha
// these block are not verified, so there are a bunch of garbage fields
// in the 'generated' block.
var bh wire.BlockHeader
bh.Version = 2
bh.PrevBlock = *lastSha
// Bits, Nonce are not filled in
mblk := wire.NewMsgBlock(&bh)
hash, _ := wire.NewShaHashFromStr("df2b060fa2e5e9c8ed5eaf6a45c13753ec8c63282b2688322eba40cd98ea067a")
po := wire.NewOutPoint(hash, 0)
txI := wire.NewTxIn(po, []byte("garbage"))
txO := wire.NewTxOut(50000000, []byte("garbageout"))
var tx wire.MsgTx
tx.AddTxIn(txI)
tx.AddTxOut(txO)
mblk.AddTransaction(&tx)
blk := btcutil.NewBlock(mblk)
fetchList := []*wire.ShaHash{hash}
listReply := db.FetchUnSpentTxByShaList(fetchList)
for _, lr := range listReply {
if lr.Err != nil {
t.Errorf("sha %v spent %v err %v\n", lr.Sha,
lr.TxSpent, lr.Err)
}
}
_, err = db.InsertBlock(blk)
if err != nil {
t.Errorf("failed to insert phony block %v", err)
}
// ok, did it 'spend' the tx ?
listReply = db.FetchUnSpentTxByShaList(fetchList)
for _, lr := range listReply {
if lr.Err != database.ErrTxShaMissing {
t.Errorf("sha %v spent %v err %v\n", lr.Sha,
lr.TxSpent, lr.Err)
}
}
txlist := blk.Transactions()
for _, tx := range txlist {
txsha := tx.Sha()
txReply, err := db.FetchTxBySha(txsha)
if err != nil {
t.Errorf("fully spent lookup %v err %v\n", hash, err)
} else {
for _, lr := range txReply {
if lr.Err != nil {
t.Errorf("stx %v spent %v err %v\n", lr.Sha,
lr.TxSpent, lr.Err)
}
}
}
}
t.Logf("Dropping block")
err = db.DropAfterBlockBySha(lastSha)
if err != nil {
t.Errorf("failed to drop spending block %v", err)
}
}