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Development & Testing

Virtual TestNets

Accelerate your development cycle with instant, collaborative development environments that seamlessly integrate into your existing workflows, saving you hours of setup and configuration time.

Using Virtual TestNets:

Test and stage contracts and dapps using RPC development infrastructure that fully replicates mainnet conditions.

Continuous Integration workflow diagram showing how Virtual TestNets integrate with development, testing, and deployment processes
CI and CI workflow with Virtual TestNets

  • Deploy and verify smart contracts on dedicated development infrastructure for your whole team.
  • Stage and test your dapp smart contracts, frontend, and backend in isolated, yet collaborative cloud-managed environments.
  • Set up CI/CD pipelines free of running dedicated nodes and additional infrastructure management.
  • Use unlimited faucet to Test contract and transaction execution more easily.
  • Debug and optimize smart contracts using a built-in virtual explorer and debugging tools.
  • Access latest mainnet state while testing in real time using State Sync.
  • Customize network states to meet your unique testing requirements via tenderly_ cheat-code RPCs.
  • Stage DAO proposals and test protocol behavior as if the proposed change is applied.

Try it now: Create your first Virtual TestNet

Simulator UI & Debugger

Slash debugging time from hours to minutes with an intuitive visual interface that lets you step through transactions, decode state changes, and optimize your smart contracts effortlessly for any contract on any network, with no additional setup.

Using Simulator and Debugger:

Build proof-of-concept transactions and troubleshoot smart contracts without lengthy console.log debugging.

Tenderly Debugger and Simulator UI interface demonstrating smart contract debugging with transaction trace and state change visualization
Bug fixing with Debugger and Simulator UI

  • Understand transaction execution with decoded arguments, events, and state changes.
  • Debug any transaction on public networks and Virtual TestNets with the most detailed stack trace.
  • Edit source code in your browser and simulate the execution to verify bug fixes.
  • Optimize transaction inputs using the latest or historical mainnet data.
  • Build proof-of-concept transactions for security research or optimization purposes.

Try it now: Debug a transaction