cosmos-hackathon

README

Welcome to SEMA (SecondHand Market) 👋

Buy Second hand items with Atom Token

The app allows users to post second hand items. Other users can set prices to buy products they like. If the seller accepts the transaction, the buyer will send the ATOM token, the ATOM will be exchanged to Sun token on the system used to pay for the product.

Architechture Overview

Technology

• Cosmos SDK
• VueJS
• VueX
• IPFS (Upload images)
• BandProtocol

Video demo

1. Publish - Set sell - Order - Payment with balance enough to buy

2. Payment with balance not enough to buy

Functionality

1.Register second hand items (3 steps)

2.Sell and set min price of items

3.Other user buy items

Order price must bigger min Price

Order successfully

4.Seller can choose order which they want to sell

5.Buyer trigger transaction

Orders are accepted to display with world payment

If buyer didn't have enough token of sunchain, they could swap atom token to producttoken

Run application

Prerequisites :

• Golang: >= 1.13
• golangci-lint

git clone git@github.com:trinhtan/cosmos-hackathon.git
cd cosmos-hackathon

Run Network

1. Make install to get bcd and bccli
2. Initialized chain example can find at init.sh
3. Run single validator by bcd start --rpc.laddr=tcp://0.0.0.0:26657 --pruning=nothing
4. Start server Go: bccli rest-server --chain-id sunchain --trust-node
5. Start Relayer: cd relayer and run command follow readme

Start frontend

yarn install
# OR
npm install

yarn serve
# OR
npm run serve

Open browsers in: http://localhost:8080

Author

👤 Sun Blockchain Research Team

• Website: https://research.sun-asterisk.com/en