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xSafe Contracts

Deterministic Multi-Chain Deployment

🏆 Introducing xSafe, the new gold standard for intent-based CREATE3 contract deployments. Deploy your contracts to the same address on many chains–no nonces, no salts.

The Multi-Chain Deployment Trilemma

Multi-chain Deployment Trilemma

The Problem with EOA Deployments

Traditionally, achieving the same address on many chains requires careful (manual) EOA nonce management. Mess up the nonce once, start all over.

The Problem with CREATE2

The CREATE2 opcode can generate identical addresses, but when constructor arguments vary across chains, differing contract bytecode results in distinct addresses. An intent-based solution, like this, obviates salt storage, but addresses still depend on contract bytecode.

The Problem with CREATE3

A CREATE3 approach offers an elegant solution, irrespective of contract bytecode, but still requires users to memorize salts.

The Solution

xSafe achieves same-address deployment with no bytecode dependence, no nonce tracking, and no salt storage. Under the hood, salts are derived from principals' signatures, thereby allowing agents to deploy contracts on behalf of signers.

Testing

1. Environment Variables

Create a .env file in the project root directory and add your RPC URL.

RPC_URL="your_rpc_url_here"

2. Install Dependencies

Install npm dependencies:

npm install

Install Foundry dependencies:

forge install

3. Run Tests

Execute the tests using Foundry:

forge test