Ethereum Smart Contract for E-commerce

I’m building an online store that settles every sale on-chain, and I want the payment flow to be handled entirely by an Ethereum smart contract. The contract must: • Automatically split and release funds the moment a purchase is confirmed (no manual intervention)... (Budget: $30 - $120 USD, Jobs: Blockchain, Cryptocurrency, Ethereum, JavaScript, Node.js, React.js, Smart Contracts, Solidity, Truffle, Web3.js)