采用新结构：Action*.js 从 node.server 中删除，集中存放于本库。

这样消除了同一份代码出现在两处的不良结构，避免了同步的困难。
当 node.server 需要临时修改 ActionXxx.js 时，只要在 server.js 里临时 require('../tic.action').ActionXxx 即可。一处修改，到处可用。

ActionTransfer.js

@@ -9,20 +9,23 @@ DAD.__proto__ = Action
 const MOM = DAD.prototype
 MOM.__proto__ = Action.prototype
 
-DAD.validate = async function (action) {
+MOM.validateMe = async function () {
   // if (sender && sender.type !== 'multisig' && action.toAddress != action.actorAddress && sender.balance >= action.amount + action.fee){
-  let sender = await wo.Store.getBalance(action.actorAddress)
-  return action.actorAddress && action.toAddress && action.toAddress != action.actorAddress && action.amount && action.amount > 0 && sender >= action.amount + action.fee && action.fee >= wo.Config.MIN_FEE_ActionTransfer
+  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 
 }
 
-DAD.execute = async function (action) {
-  let sender = await wo.Store.getBalance(action.actorAddress)
-  if (sender >= action.amount + action.fee) {
-    await wo.Store.decrease(action.actorAddress, action.amount + action.fee)
-    await wo.Store.increase(action.toAddress, action.amount)
-    return true
+MOM.executeMe = async function () {
+  let balance = await wo.Store.getBalance(this.actorAddress)
+  if (balance >= this.amount + this.fee) {
+    await wo.Store.decrease(this.actorAddress, this.amount + this.fee)
+    await wo.Store.increase(this.toAddress, this.amount)
+    return this
   }
   return null
 }
 
+/** ****************** Public of class ********************/
+
 DAD.api = {}