Golang Learning Note 19 using Golang to implement Ethereum token transfer
In the Ethereum blockchain, we call tokens tokens, which are digital assets that everyone in the Ethereum blockchain can freely distribute. And it must follow the ERC20 standard, as for the ERC20 standard, you can refer to this article Http
cannot process incoming transactions through a receiver contract. This is the biggest problem with the token, and is where developers have always wanted to improve. ERC20 tokens cannot send tokens to a contract that is incompatible with these tokens, and because of this, some of the funds are at risk of being lost.
According to an article on the Reddit, a $400,000 ERC20 token was trapped in the "wrong" co
[Ethereum Tutorial] How to create a private chain
Introduction:This tutorial describes what to build a Ethereum private chain for development experiments
The purpose of creating a private chain:The purpose of building a private chain is to facilitate the experiment on the chain. An experimental development on a public chain can leads to unnecessary waste of mone
Create a multi-signature wallet in mist
Mist Ethereum Wallet There is an option to use a multi-signature wallet to make the balance in your wallet more secure. The advantage of using a multi-signature wallet is that it requires multiple accounts to be approved together to extract large sums from the balance. Before creating a multi-signature wallet, you need to create
ThinkPHP create method and automatic token verification instance tutorial, thinkphpcreate. ThinkPHP's create method and automatic token verification example tutorial. thinkphpcreate this article demonstrates the implementation of the create method and automatic
ThinkPHP create method and automatic token verification instance tutorial, thinkphpcreate
This article demonstrates the implementation of the create method and automatic token verification in ThinkPHP in the form of an example. The specific steps are as follows:
I. Data Table Structure
The user table structure is as fo
The Create method and automatic token validation example tutorial in thinkphp, thinkphpcreate
In this paper, the method of the Create method and automatic token verification in thinkphp is presented, with the following steps:
First, the data table structure
The user table is structured as follows:
ID Username password
This article mainly introduces the create method in ThinkPHP and the implementation method of automatic token verification, which has a very important purpose, for more information about how to implement the create method and automatic token verification in ThinkPHP, follow these steps:
I. Data table structure
The use
User table structureId Username Password
\ Aoli \ home \ TPL \ Default \ User \ create.html
\ Aoli \ home \ Lib \ action
Class useraction extends action { Function create (){ $ This-> display (); } Function addit (){ // Add the form content to the table user $ User = m ('user '); $ User-> Create
This article mainly introduces the Create method in thinkphp and the implementation method of automatic token verification, has very important use, the need for friends can refer to the following
In this paper, the method of the Create method and automatic token verification in thinkphp is presented, with the followin
This paper illustrates the method of create and automatic token verification in thinkphp, and the following steps are as follows:
First, the data table structure
The user table structure is as follows:
ID Username password
Ii. View Template Section
The \aoli\home\tpl\default\user\create.html page is as follows:
Third, the action part:
The \aoli\home\lib\action.php page is as follows:
This article mainly introduces the create method and token verification in thinkPHP, analyzes the related techniques of adding form security by using the create method and token verification in thinkPHP in the form of a simple example, and provides detailed comments to the code, for more information about ThinkPHP, see
The example of this article describes the Create method and token verification in thinkphp. Share to everyone for your reference, specific as follows:
Thinkphp's Create method and token authentication are mainly related to the security of the form.
The code is as follows:
The template file is as follows
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