1. 把 validateMe 分解成 静态数据检查（给客户端调用）validateMe 和 动态可执行性检查（给链节点调用）executableMe.

2. 在 Action.api.prepare() 里，生成可运行的对象 typedAction 存入 ActionPool，而不是仅仅存数据 option.Action进去。
3. 删除 Action.getJson()，把 DAD.verifyXxx(action) 都改为 MOM.verifyXxx().
4. 添加了 ActionRegisterChain.js 作为 应用链注册事务。

ActionTransfer.js

@@ -9,11 +9,15 @@ DAD.__proto__ = Action
 const MOM = DAD.prototype
 MOM.__proto__ = Action.prototype
 
-MOM.validateMe = async function () {
+MOM.validateMe = function () {
   // if (sender && sender.type !== 'multisig' && action.toAddress != action.actorAddress && sender.balance >= action.amount + action.fee){
-  let balance = await wo.Store.getBalance(this.actorAddress)
   return this.actorAddress && this.toAddress && this.toAddress != this.actorAddress 
-    && this.amount && this.amount > 0 && this.fee >= wo.Config.MIN_FEE_ActionTransfer && balance >= this.amount + this.fee 
+    && this.amount && this.amount > 0 && (this.fee >= wo.Config.MIN_FEE_ActionTransfer || 0)
+}
+
+MOM.executableMe = async function() {
+  let balance = await wo.Store.getBalance(this.actorAddress)
+  return balance >= this.amount + this.fee 
 }
 
 MOM.executeMe = async function () {