# v2 Contract SDK

## v2 Contract SDK

- [Orbs Contract SDK](https://docs.orbs.network/v2-contract-sdk/master.md)
- [About smart contracts](https://docs.orbs.network/v2-contract-sdk/getting-started/about-smart-contracts.md): Introduction to smart contracts in general and contracts inside Orbs specifically.
- [Becoming a Go developer](https://docs.orbs.network/v2-contract-sdk/getting-started/untitled.md): Contracts running on Orbs are developed in the Go programming language. This page will help you set up a working Go environment on your machine.
- [Installing Gamma - local blockchain](https://docs.orbs.network/v2-contract-sdk/getting-started/installing-gamma.md): Gamma is a personal Orbs blockchain running locally that allows developers to easily test, run, and deploy smart contracts.
- [Deploying your first contract](https://docs.orbs.network/v2-contract-sdk/getting-started/deploying-your-first-contract.md): This tutorial will take you through the entire process of writing a contract and deploying it on a local instance of ORBS in just a few minutes.
- [The Orbs Starter Kit](https://docs.orbs.network/v2-contract-sdk/getting-started/the-orbs-starter-kit.md)
- [Downloading the Contract SDK](https://docs.orbs.network/v2-contract-sdk/getting-started/downloading-the-contract-sdk.md): You are encouraged to look at the Contract SDK itself, although that is not required in order to build contracts on the Orbs Network.
- [Smart contracts](https://docs.orbs.network/v2-contract-sdk/orbs-contracts/smart-contracts.md)
- [Layout of a contract file](https://docs.orbs.network/v2-contract-sdk/orbs-contracts/layout-of-a-contract-file.md)
- [Data types (Exported Functions)](https://docs.orbs.network/v2-contract-sdk/orbs-contracts/data-types.md)
- [State](https://docs.orbs.network/v2-contract-sdk/orbs-contracts/contract-state.md)
- [Address](https://docs.orbs.network/v2-contract-sdk/orbs-contracts/signer-and-addresses.md)
- [Events](https://docs.orbs.network/v2-contract-sdk/orbs-contracts/events.md)
- [Error handling](https://docs.orbs.network/v2-contract-sdk/orbs-contracts/error-handling.md)
- [Calling other contracts](https://docs.orbs.network/v2-contract-sdk/orbs-contracts/calling-external-resources.md)
- [Calling Ethereum contract](https://docs.orbs.network/v2-contract-sdk/orbs-contracts/calling-ethereum-contract.md)
- [API Reference](https://docs.orbs.network/v2-contract-sdk/orbs-contracts/additional-api.md)
- [Limitations of Orbs Contracts](https://docs.orbs.network/v2-contract-sdk/orbs-contracts/limitations-of-orbs-contracts.md)
- [Creating a new contract](https://docs.orbs.network/v2-contract-sdk/orbs-contracts/creating-a-new-contract.md)
- [Starting and stopping the server](https://docs.orbs.network/v2-contract-sdk/gamma-in-depth/starting-and-stopping-the-server.md)
- [Test keys and accounts](https://docs.orbs.network/v2-contract-sdk/gamma-in-depth/test-keys-and-accounts.md)
- [Deploying smart contracts](https://docs.orbs.network/v2-contract-sdk/gamma-in-depth/deploying-smart-contracts.md)
- [Sending transactions and queries](https://docs.orbs.network/v2-contract-sdk/gamma-in-depth/sending-transactions-and-queries.md)
- [Checking sent transaction status](https://docs.orbs.network/v2-contract-sdk/gamma-in-depth/checking-sent-transaction-status.md)
- [Reading Logs from Contracts](https://docs.orbs.network/v2-contract-sdk/gamma-in-depth/reading-logs-from-contracts.md)
- [Working with multiple environments](https://docs.orbs.network/v2-contract-sdk/gamma-in-depth/working-with-multiple-environments.md)
- [Upgrading to latest versions](https://docs.orbs.network/v2-contract-sdk/gamma-in-depth/upgrading-to-latest-versions.md)
- [Gamma server under the hood](https://docs.orbs.network/v2-contract-sdk/gamma-in-depth/gamma-server-under-the-hood.md): This page is for informational purposes only for advanced users. These technical details are abstracted away from developers by Gamma CLI.
- [Deploying Gamma in the Cloud](https://docs.orbs.network/v2-contract-sdk/gamma-in-depth/deploying-gamma-in-the-cloud.md): Quick deployment of Gamma server on the cloud
- [Amazon Web Services](https://docs.orbs.network/v2-contract-sdk/gamma-in-depth/deploying-gamma-in-the-cloud/amazon-web-services.md): Setup Gamma Server on AWS
- [Google Cloud Platform](https://docs.orbs.network/v2-contract-sdk/gamma-in-depth/deploying-gamma-in-the-cloud/google-cloud-platform.md): Setup Gamma Server on GCP
- [Azure](https://docs.orbs.network/v2-contract-sdk/gamma-in-depth/deploying-gamma-in-the-cloud/azure.md): Setup Gamma Server on Microsoft Azure


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