增加操作记录上的一些注释

src/modules/TranRecord.ts

@@ -32,7 +32,7 @@ class TranRecordClass extends BaseModule {
   public tokenId: string
   // 对于ERC721, 该值永远为'1'
   @prop({ default: '1' })
-  public amount: string
+  public value: string
 
   @prop()
   public gas: string
@@ -41,7 +41,13 @@ class TranRecordClass extends BaseModule {
 
   @prop()
   public data: string
-
+  /**
+   * 交易状态
+   * 0: 默认, 未确认
+   * 1: 已获取receipt, 能通过getTransactionReceipt获取状态
+   * 2: 已确认, 交易已经经过6个块确认
+   * 10: 错误
+   */
   @prop({ default: 0 })
   public status: number
 
@@ -61,7 +67,7 @@ class TranRecordClass extends BaseModule {
       blockHash: this.blockHash,
       from: this.from,
       to: this.to,
-      amount: this.amount,
+      value: this.value,
       tokenId: this.tokenId,
       gas: this.gas,
       gasPrice: this.gasPrice,