Emit events before and after executing a message

alcuadrado · alcuadrado · commit 1f4e9f067a84 · 2019-09-10T14:33:19.000-03:00
diff --git a/lib/evm/evm.ts b/lib/evm/evm.ts
@@ -104,6 +104,8 @@ export default class EVM {
    * if an exception happens during the message execution.
    */
   async executeMessage(message: Message): Promise<EVMResult> {
+    await this._vm._emit('beforeMessage', message)
+
     await this._state.checkpoint()
 
     let result
@@ -130,6 +132,8 @@ export default class EVM {
       await this._state.commit()
     }
 
+    await this._vm._emit('afterMessage', result)
+
     return result
   }
 

Original file line number	Diff line number	Diff line change
`@@ -104,6 +104,8 @@ export default class EVM {`
`104`	`104`	`* if an exception happens during the message execution.`
`105`	`105`	`*/`
`106`	`106`	`async executeMessage(message: Message): Promise<EVMResult> {`
	`107`	`+ await this._vm._emit('beforeMessage', message)`
	`108`	`+`
`107`	`109`	`await this._state.checkpoint()`
`108`	`110`
`109`	`111`	`let result`
`@@ -130,6 +132,8 @@ export default class EVM {`
`130`	`132`	`await this._state.commit()`
`131`	`133`	`}`
`132`	`134`
	`135`	`+ await this._vm._emit('afterMessage', result)`
	`136`	`+`
`133`	`137`	`return result`
`134`	`138`	`}`
`135`	`139`