Merado - Smart contracts

Cross-chain marketplace of Real World Products.

This is the repo that holds all smart contracts that are part of the project called "Merado" that enable buying and selling cross chain of real products. part of chainlink hackathon project at Chainlink Block Magic.

Tech Stack

• hardhat
• chainlink
• openzeppelin

Contract information

• All contracts are located under contracts folder.
• Contracts there where developed for the hackathon and not part of chainlink toolkit are:

• Marketplace.sol holds the marketplace fee of a given chain, handles the payment for a given product in the origin chain and then handle transfer of erc1155 products between seller and buyer. CCIPBuyListing is the entry point function that is used by buyers

• CollectionFactory.sol contract that is used to deploy new collections, used to listen on events by quicknode

• Collection.sol collection based on erc1155 for holding record of products for a given collection that a seller created

• CCIPConnector.sol used to pass messages between different chains, and in this way support cross chain interactions

• CCIPMapping.sol holds mapping of selectors which is part of chainlink infra and also ccip connector addresses per chainId

• AvalanchePriceConversion.sol holds price conversions from usd to avalanche native token

• PolygonAmoyPriceConversion.sol holds price conversions from usd to polygon native token

Deployed contracts

Avalanche Fuji (Testnet)

Market - 0xb65eFBCb305f8c5Fb13ec3A7c2b1658046E8290d
CollectionFactory - 0x43871555C9291B89E8B3906285047eA59Eb39A92
Collection - 0x8bE0aEEa349aD16F680a6f51681eb14659f89447
Connector - 0x54aE20e6aff19e01842eB33476aaC1253984874E
Mapper - 0xE290A97629ee82b4907D1695b09c5F57c17f5059
priceFeed - 0x099F3073d39c31A12938f296c12a75EEEF30D821

Polygon Amoy (Testnet)

Market - 0x1866380708C7EeC51C8557E40ba98ECe37f61dF0
CollectionFactory - 0xd0D05446a76be24713dF2F383CfdcAae66A8bf6B
Connector - 0x33D0555cCeaA36fcCDb3Ddc33243538A6FB8C02F
Mapper - 0xFfB60f298947C468A088dAC442cD14bc2b0B6235
priceFeed - 0xdd71E800eaB1FFACe6E9a66d46A3703F5947761e

Getting Started

Pre-requisites:

• Setup Node.js v20+ (recommended via nvm with nvm install 20)
• Install yarn (recommended via Node.js Corepack)
• Clone this repository

# Install dependencies
yarn install

# Compile all smart contracts
yarn compile

# test all smart contracts
yarn test

Contributors

Tal Waserman

Wisdom Umanah

Maxi Paz

Diego Sano

Pelumi

License

Distributed under the MIT License. See MIT License for more information.