Forum

Forum based on ABCI++

This is a Forum Application based on ABCI++

Many thanks to the original team for brainstorming and bringing forth this idea. Their original repo can be found here

The tutorial demonstrate the use of:

• Prepare Proposal
• Process Proposal
• Vote Extension
• Finalize Block

Here is a basic structure of the Forum Application

We can divide the application structure into the following files/modules

main.go - The entry point of the application that initializes the ABCI application and starts the server.

app.go - The main application file that defines the ForumApplication struct and implements the ABCI interface methods.

validator.go - This file/module defines the Validator struct and methods for proposing to add or delete a user.

moderator.go - This file/module defines the Moderator struct and methods for proposing new moderators and validating the proposal.

user.go - This file/module defines the User struct and methods for adding and banning a user.

proposal.go - This file/module defines the Proposal struct and methods for preparing and processing proposals.

vote.go - This file/module defines the Vote struct and methods for voting on proposals using the Vote Extension.

The flow of the application can be summarized as follows

• On initialization, the ForumApplication struct is created with the set of validators defined in the genesis file.

• A validator can propose to add or delete a user by creating a Proposal object and calling the PrepareProposal method of the Proposal module.

• The proposal is then broadcasted to other validators for voting using the Vote Extension.

• The ProcessProposal method of the Proposal module is called once the proposal has received enough votes.

• If the proposal is approved, the User struct is updated to add or delete the user accordingly.

• Validators can propose new moderators by creating a Proposal object and calling the PrepareProposal method of the Proposal module.

• The proposal is then broadcasted to other validators for voting using the Vote Extension.

• The ProcessProposal method of the Proposal module is called once the proposal has received enough votes.

• If the proposal is approved, the Moderator struct is updated to add the new moderator.

• To ban a user, a moderator can create a Proposal object and call the PrepareProposal method of the Proposal module.

• The proposal is then broadcasted to other validators for voting using the Vote Extension.

• The ProcessProposal method of the Proposal module is called once the proposal has received enough votes.

• If the proposal is approved and the proposed user's message contains a hardcoded curse word, the User struct is updated to ban the user.

The main functions of each module are as follows

1. PrepareProposal - This method prepares a proposal object and sets its attributes.

2. ProcessProposal - This method processes the proposal object and executes the necessary action if the proposal is approved.

3. Vote Extension - This extension allows validators to vote on proposals and reach consensus.

4. Finalize Block - This method is called after all transactions have been processed in a block and finalizes the state of the application for the next block.