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Golang MsgTx.Sha方法代碼示例

本文整理匯總了Golang中github.com/decred/dcrd/wire.MsgTx.Sha方法的典型用法代碼示例。如果您正苦於以下問題:Golang MsgTx.Sha方法的具體用法?Golang MsgTx.Sha怎麽用?Golang MsgTx.Sha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github.com/decred/dcrd/wire.MsgTx的用法示例。


在下文中一共展示了MsgTx.Sha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

func Test_dupTx(t *testing.T) {

	// Ignore db remove errors since it means we didn't have an old one.
	dbname := fmt.Sprintf("tstdbdup0")
	dbnamever := dbname + ".ver"
	_ = os.RemoveAll(dbname)
	_ = os.RemoveAll(dbnamever)
	db, err := database.CreateDB("leveldb", dbname)
	if err != nil {
		t.Errorf("Failed to open test database %v", err)
		return
	}
	defer os.RemoveAll(dbname)
	defer os.RemoveAll(dbnamever)
	defer func() {
		if err := db.Close(); err != nil {
			t.Errorf("Close: unexpected error: %v", err)
		}
	}()

	testdatafile := filepath.Join("../", "../blockchain/testdata", "blocks0to168.bz2")
	blocks, err := loadBlocks(t, testdatafile)
	if err != nil {
		t.Errorf("Unable to load blocks from test data for: %v",
			err)
		return
	}

	var lastSha *chainhash.Hash

	// Populate with the fisrt 256 blocks, so we have blocks to 'mess with'
	err = nil
out:
	for height := int64(0); height < int64(len(blocks)); height++ {
		block := blocks[height]
		if height != 0 {
			// except for NoVerify which does not allow lookups check inputs
			mblock := block.MsgBlock()
			//t.Errorf("%v", blockchain.DebugBlockString(block))
			parentBlock := blocks[height-1]
			mParentBlock := parentBlock.MsgBlock()
			var txneededList []*chainhash.Hash
			opSpentInBlock := make(map[wire.OutPoint]struct{})
			if dcrutil.IsFlagSet16(dcrutil.BlockValid, mParentBlock.Header.VoteBits) {
				for _, tx := range mParentBlock.Transactions {
					for _, txin := range tx.TxIn {
						if txin.PreviousOutPoint.Index == uint32(4294967295) {
							continue
						}

						if existsInOwnBlockRegTree(mParentBlock, txin.PreviousOutPoint.Hash) {
							_, used := opSpentInBlock[txin.PreviousOutPoint]
							if !used {
								// Origin tx is in the block and so hasn't been
								// added yet, continue
								opSpentInBlock[txin.PreviousOutPoint] = struct{}{}
								continue
							} else {
								t.Errorf("output ref %v attempted double spend of previously spend output", txin.PreviousOutPoint)
							}
						}

						origintxsha := &txin.PreviousOutPoint.Hash
						txneededList = append(txneededList, origintxsha)
						exists, err := db.ExistsTxSha(origintxsha)
						if err != nil {
							t.Errorf("ExistsTxSha: unexpected error %v ", err)
						}
						if !exists {
							t.Errorf("referenced tx not found %v (height %v)", origintxsha, height)
						}

						_, err = db.FetchTxBySha(origintxsha)
						if err != nil {
							t.Errorf("referenced tx not found %v err %v ", origintxsha, err)
						}
					}
				}
			}
			for _, stx := range mblock.STransactions {
				for _, txin := range stx.TxIn {
					if txin.PreviousOutPoint.Index == uint32(4294967295) {
						continue
					}
					if existsInOwnBlockRegTree(mParentBlock, txin.PreviousOutPoint.Hash) {
						_, used := opSpentInBlock[txin.PreviousOutPoint]
						if !used {
							// Origin tx is in the block and so hasn't been
							// added yet, continue
							opSpentInBlock[txin.PreviousOutPoint] = struct{}{}
							continue
						} else {
							t.Errorf("output ref %v attempted double spend of previously spend output", txin.PreviousOutPoint)
						}
					}

					origintxsha := &txin.PreviousOutPoint.Hash
					txneededList = append(txneededList, origintxsha)

					exists, err := db.ExistsTxSha(origintxsha)
//.........這裏部分代碼省略.........
開發者ID:ironbits,項目名稱:dcrd,代碼行數:101,代碼來源:dup_test.go


注:本文中的github.com/decred/dcrd/wire.MsgTx.Sha方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。