OnrampTee - Decentralized Onramp Solution

Frontend github https://github.com/padimaster/smootee

Secure fiat-to-crypto onramp with Trusted Execution Environments (TEE)

Overview

OnrampTee enables seamless fiat-to-crypto conversion with secure smart contracts and a high-performance TEE-powered API. Deployed on multiple testnets with Phala Network as the trusted execution environment provider for enhanced security and privacy.

Deployments

Lisk Sepolia Testnet (Chain ID: 4202)

• USDT Token: 0x7C2d1Cd423ffE6882C872890f649424144A526Af
• OnrampEcuador: 0x1F5D59b32915c5498A062AA0b5E8D268d3127BC0

Ethereum Sepolia Testnet (Chain ID: 11155111)

• OnrampEcuador: 0x1F5D59b32915c5498A062AA0b5E8D268d3127BC0
• USDT Token: 0x7C2d1Cd423ffE6882C872890f649424144A526Af

API Endpoints

# Health Check
GET /health

# User Management
POST /users                    # Register new user
GET /users/{user_id}          # Get user details

# Account Operations
GET /accounts/{account_id}     # Get account info
POST /accounts/{account_id}/deposit    # Deposit funds
GET /accounts/{account_id}/transactions # Get transaction history

# Withdrawal
POST /withdraw                 # Withdraw to wallet

Tech Stack

• Smart Contracts: Solidity 0.8.20 + OpenZeppelin
• API: Rust + Axum + Docker
• TEE Provider: Phala Network
• Deployment: Foundry + Multi-chain support

Quick Start

# Deploy contracts
cd tokenlogic
forge script script/Deploy.s.sol:DeployScript --rpc-url https://rpc.sepolia-api.lisk.com/ --chain-id 4202 --broadcast

# Run API
cd openbankapi
docker build -t onramptee-api .
docker run -p 3000:3000 onramptee-api

Contract Info

• Token: Tether USD (USDT) - 6 decimals
• Supply: 1,000,000 USDT
• Features: Reentrancy protection, Access control, Pausable

Security Features

• TEE Protection: Phala Network provides hardware-level security
• Smart Contract Security: OpenZeppelin audited contracts
• Multi-chain: Distributed across multiple testnets

Author

protocolwhisper.eth

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