liquan.eth flyq

Upgradeability using Unstructured Storage

测试

在 Ropsten 测试网上，地址 0xbd70d89667A3E1bD341AC235259c5f2dDE8172A9 部署了 OwnedUpgradeabilityProxy 合约于 0xf78aa080f84513203f37019c255f78cfc390b62d tx 链接
地址 0xbd70d89667A3E1bD341AC235259c5f2dDE8172A9 部署了 Token_V0 合约于 0xa347821506065054b4ccad798125e1005b154b53 tx 链接
用地址 0xbd70d89667A3E1bD341AC235259c5f2dDE8172A9 调用 OwnedUpgradeabilityProxy 合约的 upgradeTo 函数，参数是 0xa347821506065054b4ccad798125e1005b154b53，即 Token_V0 合约。
用 Proxy 合约地址 0xf78aa080f84513203f37019c255f78cfc390b62d 实例化一个 Token_V0 合约，然后调用初始化函数 initialize()。这样直接调用 Proxy.mint() 等等就会 delegatecall 转而调用 Token_V0 地址所在的 Token_V0 合约里面的函数。比如这里我调用 Proxy.mint(owner, 1000)，成功执行。

升级：

	pragma solidity ^0.4.18;

	import './Token_V0.sol';
	import './Ownable.sol';

	/**
	* @title Token_V1
	* @dev Version 1 of a token to show upgradeability.
	* The idea here is to extend a token behaviour providing mintable token functionalities
	* in addition to what's provided in version 0

	[
	{
	"u_i": "7b38225091fe0fc3868b1a18a083388f55f638dd039bdf61d2ed215f033a21ba",
	"y_i": {
	"x": "408d196c54f796150feaf144665d0b5cb2030bf2706fc23d50506977edfe9fa7",
	"y": "9fcf4791869c3bee37ce23f4d6eda1f3039f15d47c5126ddf11298b5bf4f2177"
	},
	"dk": {
	"p": "115523320621418856194291062266208292930517491704835285308590110074912913155015133279669955322094416666157687881381847546903588429997417918514194620287583496354537562647801611986255957498428090028836683084211501636500333998978141722412626620973752334265111289163997231937313085816871899604550386724292750357727",
	"q": "158660861360373067640950191148490034535647923366920801942486640032234539917408539205143535120646108347368594391986258990306833782838115402106123644663574795852525480428198530724251141471227559551562956318766790784760238170847431634502156499165282165352924911332861516716048625619966827777851878512363827744471"

	#[macro_use]
	extern crate diesel;
	#[macro_use]
	extern crate serde_derive;

	use actix_identity::{CookieIdentityPolicy, IdentityService};
	use actix_web::{middleware, web, App, HttpServer};
	use diesel::prelude::*;
	use diesel::r2d2::{self, ConnectionManager};

	#!/usr/bin/env bash

	COLOR_WHITE=$(tput setaf 7);
	COLOR_MAGENTA=$(tput setaf 5);
	FONT_BOLD=$(tput bold);
	FONT_NORMAL=$(tput sgr0);

	echo
	echo -e "$COLOR_WHITE $FONT_BOLD Substrate Node Template Setup $FONT_NORMAL";


	#!/usr/bin/env bash

	COLOR_WHITE=$(tput setaf 7);
	COLOR_MAGENTA=$(tput setaf 5);
	FONT_BOLD=$(tput bold);
	FONT_NORMAL=$(tput sgr0);

	echo
	echo -e "$COLOR_WHITE $FONT_BOLD Substrate Node Template Setup $FONT_NORMAL";

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	/**
	*Submitted for verification at Etherscan.io on 2019-09-03
	*/

	pragma solidity ^0.5.11;


	/**
	* @title Owned
	*/