Golang Account.Sequence方法代码示例

//.........这里部分代码省略.........
		}
		signBytes := acm.SignBytes(_s.ChainID, tx)
		err := validateInput(inAcc, signBytes, tx.Input)
		if err != nil {
			log.Info(Fmt("validateInput failed on %X: %v", tx.Input.Address, err))
			return err
		}
		if tx.Input.Amount < tx.Fee {
			log.Info(Fmt("Sender did not send enough to cover the fee %X", tx.Input.Address))
			return types.ErrTxInsufficientFunds
		}

		if !createContract {
			// Validate output
			if len(tx.Address) != 20 {
				log.Info(Fmt("Destination address is not 20 bytes %X", tx.Address))
				return types.ErrTxInvalidAddress
			}
			// check if its a native contract
			if vm.RegisteredNativeContract(LeftPadWord256(tx.Address)) {
				return fmt.Errorf("NativeContracts can not be called using CallTx. Use a contract or the appropriate tx type (eg. PermissionsTx, NameTx)")
			}

			// Output account may be nil if we are still in mempool and contract was created in same block as this tx
			// but that's fine, because the account will be created properly when the create tx runs in the block
			// and then this won't return nil. otherwise, we take their fee
			outAcc = blockCache.GetAccount(tx.Address)
		}

		log.Info(Fmt("Out account: %v", outAcc))

		// Good!
		value := tx.Input.Amount - tx.Fee
		inAcc.Sequence += 1
		inAcc.Balance -= tx.Fee
		blockCache.UpdateAccount(inAcc)

		// The logic in runCall MUST NOT return.
		if runCall {

			// VM call variables
			var (
				gas     int64       = tx.GasLimit
				err     error       = nil
				caller  *vm.Account = toVMAccount(inAcc)
				callee  *vm.Account = nil // initialized below
				code    []byte      = nil
				ret     []byte      = nil
				txCache             = NewTxCache(blockCache)
				params              = vm.Params{
					BlockHeight: int64(_s.LastBlockHeight),
					BlockHash:   LeftPadWord256(_s.LastBlockHash),
					BlockTime:   _s.LastBlockTime.Unix(),
					GasLimit:    _s.GetGasLimit(),
				}
			)

			if !createContract && (outAcc == nil || len(outAcc.Code) == 0) {
				// if you call an account that doesn't exist
				// or an account with no code then we take fees (sorry pal)
				// NOTE: it's fine to create a contract and call it within one
				// block (nonce will prevent re-ordering of those txs)
				// but to create with one contract and call with another
				// you have to wait a block to avoid a re-ordering attack
				// that will take your fees
				if outAcc == nil {