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Terrain

Terrain is a TypeScript command-line development environment for scaffolding smart-contract and frontend templates for interchain applications and supporting contract development and deployment. Its generated project includes task and console helpers, connection and deployment configuration, and contract-reference files. The README describes a deployment command that builds, optimizes, stores, and instantiates Wasm c

Independent OpenViST project profile, based on linked sources.

Terrain — OpenViST project profile in Developer Tools.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use Terrain to generate a Terra/CosmWasm application project and work through its documented contract deployment flow. The README recommends LocalTerra for testing and requires an RPC endpoint for deployment.

Who it is for

  • Developers starting Terra or CosmWasm interchain application projects.
  • Contract developers who want a generated frontend and project structure alongside a smart-contract template.

Documented uses

  • Scaffold a starter contract and corresponding frontend.
  • Create a structured project with predefined task helpers and connection and deployment configuration.
  • Build, optimize, store, and instantiate a contract through Terrain’s deployment command.
Before you choose

Requirements & limits

Terrain is open-source software licensed under GPL-3.0 and distributed as an npm package.

  • Terrain is a development environment, not a full Terra client or an LCD; the README points to terrad for full client functionality.
  • Contract deployment needs an RPC endpoint. LocalTerra is the README’s recommended testing option.
  • The documented runtime prerequisite is Node.js 16 with npm; the setup also recommends Rust and lists the CosmWasm build dependencies.
  • The repository identifies TypeScript as its primary language.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Scaffold an interchain contract and frontend project

Generate a Terrain project containing smart-contract and frontend templates.

Before you start

  • Node.js 16 and npm.
  • Terrain installed globally, or locally in the project directory.

Steps

  1. Install Terrain with npm: the command below.

    Documented command
    npm install -g @terra-money/terrain
  2. Generate the project with terrain new my-terra-dapp.

  3. Change to the generated project directory with cd my-terra-dapp.

Expected outcome

A project with a template smart contract, frontend, supporting task and console files, and Terrain configuration and reference files.

Guide limitations

  • This procedure scaffolds a project; it does not deploy the contract.
  • The README also documents local installation with npm and running commands through npx.
Source-based practical guide

Deploy a generated contract to LocalTerra

Use Terrain’s documented deployment command to build and instantiate a contract on a local chain.

Before you start

  • A generated Terrain project and Node.js 16/npm.
  • LocalTerra running locally, as recommended for testing.
  • A configured RPC endpoint and signer account; the example uses LocalTerra’s preconfigured test1 account.
  • Rust stable, the wasm32-unknown-unknown target, and cargo-run-script, as specified in the setup instructions.

Steps

  1. Set up and run LocalTerra using its repository instructions; the Terrain README shows docker-compose up from the LocalTerra directory.

  2. From the Terrain project, run terrain deploy my-terra-dapp --signer test1.

  3. If needed, add the --network flag to specify a network; without it, the README says the command defaults to localterra.

Expected outcome

Terrain builds and optimizes the Wasm code, stores it on-chain, and instantiates the contract.

Guide limitations

  • Deployment requires an RPC endpoint; Terrain is not an LCD.
  • The signer pays the deployment gas fee and is assigned as project owner. The documented test1 signer is a LocalTerra example.
Evidence and transparency

Sources & review

Source record details
Source availability
Active
Sources checked
16 October 2026
Original website title
terra-money/terrain · Official homepage title · retained in its source language