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none.go
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none.go
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// Copyright Fuzamei Corp. 2018 All Rights Reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package executor none执行器
package executor
// package none execer for unknow execer
// all none transaction exec ok, execept nofee
// nofee transaction will not pack into block
import (
"github.com/assetcloud/chain/common/log"
drivers "github.com/assetcloud/chain/system/dapp"
ntypes "github.com/assetcloud/chain/system/dapp/none/types"
"github.com/assetcloud/chain/types"
)
var (
eLog = log.New("module", "none.exec")
driverName = ntypes.NoneX
)
// Init register newnone
func Init(name string, cfg *types.ChainConfig, sub []byte) {
if name != driverName {
panic("system dapp can't be rename")
}
driverName = name
drivers.Register(cfg, name, newNone, 0)
InitExecType()
}
// GetName return name at execution time
func GetName() string {
return newNone().GetName()
}
// None defines a none type
type None struct {
drivers.DriverBase
}
func newNone() drivers.Driver {
n := &None{}
n.SetChild(n)
n.SetExecutorType(types.LoadExecutorType(ntypes.NoneX))
return n
}
// InitExecType the initialization process is relatively heavyweight, lots of reflect, so it's global
func InitExecType() {
ety := types.LoadExecutorType(driverName)
ety.InitFuncList(types.ListMethod(&None{}))
}
// GetDriverName return dcrivername at register
func (n *None) GetDriverName() string {
return driverName
}
// IsFriend 控制none合约db key修改权限
func (n *None) IsFriend(self, dbKey []byte, checkTx *types.Transaction) bool {
execName := types.GetParaExecName(checkTx.Execer)
// 延时存证交易需要在主链和平行链同时执行(#1262)
if string(execName) == ntypes.NoneX &&
ntypes.ActionName(checkTx) == ntypes.NameCommitDelayTxAction {
return true
}
return false
}