[Ongoing]-[1000USDT]-IOS-SDK development task

Bonus: 1000 USDT equivalent of NULS
奖金:1000 USDT等值NULS

Develop with Swift
demand:
Online api packaging: commonly used api interface packaging, so that developers can easily call api module, public-service interface
Offline protocol encapsulation: implement account creation, management, keystore analysis, generation, assembly of various transaction types, signature, serialization, deserialization, block serialization, deserialization, protocol encapsulation of multi-signature accounts
Provide documentation
Note: You can refer to java-sdk, js-sdk, go-sdk

使用Swift开发
需求:
在线api封装:常用的api接口的封装,让开发者可以方便的调用api模块、public-service接口
离线协议封装:实现账户创建、管理、keystore解析、生成、各种交易类型的交易的组装、签名、序列化、反序列化、区块的序列化、反序列化、多签账户的协议封装等
提供使用文档
注:可以参考java-sdk、js-sdk、go-sdk