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[Add] - connect to kusama page (#769)
* fix: adding connect to kusama page * Apply suggestions from code review Co-authored-by: Taylor Lucero <[email protected]> * llms * Apply suggestions from code review Co-authored-by: Taylor Lucero <[email protected]> * fix: llms --------- Co-authored-by: Taylor Lucero <[email protected]>
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‎develop/smart-contracts/.pages‎

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- index.md
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- 'Overview': overview.md
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- 'Connect to Polkadot': connect-to-polkadot.md
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- 'Connect to Kusama': connect-to-kusama.md
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- 'Wallets': wallets.md
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- 'Local Development Node': local-development-node.md
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- dev-environments

‎develop/smart-contracts/connect-to-kusama.md‎

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---
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title: Connect to Kusama
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description: Explore how to connect to Kusama Hub for developing and testing smart contracts in a live environment with real monetary value.
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---
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# Connect to Kusama
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--8<-- 'text/smart-contracts/polkaVM-warning.md'
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<div class="button-wrapper">
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<a href="#" class="md-button connectMetaMask" value="kusamaHub">Connect to Kusama Hub</a>
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</div>
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For more information about how to connect to a Polkadot network, please check the [Wallets](/develop/smart-contracts/wallets/){target=\_blank} guide.
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!!! info "Production Environment"
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Kusama Hub offers a live environment for deploying smart contracts. Please note that the most recent version of Polkadot's Ethereum-compatible stack is available on the TestNet; however, you can also deploy it to the Kusama Hub for production use.
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## Networks Details
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Developers can leverage smart contracts on Kusama Hub for live production deployments. This section outlines the network specifications and connection details.
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=== "Kusama Hub"
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Network name
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```text
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Kusama Hub
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```
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---
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Currency symbol
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```text
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KSM
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```
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---
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Chain ID
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```text
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420420418
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```
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---
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RPC URL
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```text
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https://kusama-asset-hub-eth-rpc.polkadot.io
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```
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---
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Block explorer URL
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```text
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https://blockscout-kusama-asset-hub.parity-chains-scw.parity.io/
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```
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---
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## Important Deployment Considerations
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While the compatibility with regular EVM codebases is still being maximized, some recommendations include:
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- **Leverage [Hardhat](/develop/smart-contracts/dev-environments/hardhat){target=\_blank}** to compile, deploy, and interact with your contract.
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- **Use MetaMask** to interact with your dApp (note that using MetaMask can sometimes lead to `Invalid transaction` errors - this is actively being worked on and will be fixed soon).
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- **Avoid Remix** for deployment as MetaMask enforces a 48kb size limit when using the [Remix IDE](/develop/smart-contracts/dev-environments/remix){target=\_blank}, which is why Hardhat Polkadot is recommended for deployment.
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Kusama Hub is a live environment. Ensure your contracts are thoroughly tested before deployment, as transactions on Kusama Hub involve real KSM tokens and **cannot be reversed**.
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## Where to Go Next
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For your next steps, explore the various smart contract guides demonstrating how to use and integrate different tools and development environments into your workflow.
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<div class="grid cards" markdown>
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- <span class="badge guide">Guide</span> **Deploy your first contract with Hardhat**
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---
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Explore the recommended smart contract development and deployment process on Kusama Hub using Hardhat.
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[:octicons-arrow-right-24: Build with HardHat](/develop/smart-contracts/dev-environments/hardhat/)
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- <span class="badge guide">Guide</span> **Interact with the blockchain using viem**
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---
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Use viem for interacting with Ethereum-compatible chains to deploy and interact with smart contracts on Kusama Hub.
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[:octicons-arrow-right-24: Build with viem](/develop/smart-contracts/libraries/viem/)
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</div>

‎js/connect-to-metamask.js‎

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decimals: 18,
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},
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},
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kusamaHub: {
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name: 'Kusama Hub',
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chainId: '0x190f1b42', //Hex value of "420420418"
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chainName: 'Kusama Hub TestNet',
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rpcUrls: ['https://kusama-asset-hub-eth-rpc.polkadot.io'],
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blockExplorerUrls: ['https://blockscout-kusama-asset-hub.parity-chains-scw.parity.io/'],
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nativeCurrency: {
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name: 'Kusama Token',
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symbol: 'KSM',
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decimals: 18,
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},
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}
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};
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/*

‎llms.txt‎

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Doc-Page: https://docs.polkadot.com/develop/parachains/testing/mock-runtime/
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Doc-Page: https://docs.polkadot.com/develop/parachains/testing/pallet-testing/
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Doc-Page: https://docs.polkadot.com/develop/smart-contracts/block-explorers/
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Doc-Page: https://docs.polkadot.com/develop/smart-contracts/connect-to-kusama/
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Doc-Page: https://docs.polkadot.com/develop/smart-contracts/connect-to-polkadot/
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Doc-Page: https://docs.polkadot.com/develop/smart-contracts/dev-environments/foundry/
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Doc-Page: https://docs.polkadot.com/develop/smart-contracts/dev-environments/hardhat/
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![](/images/develop/smart-contracts/block-explorers/block-explorers-3.webp) -->
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--- END CONTENT ---
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Doc-Content: https://docs.polkadot.com/develop/smart-contracts/connect-to-kusama/
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--- BEGIN CONTENT ---
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---
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title: Connect to Kusama
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description: Explore how to connect to Kusama Hub for developing and testing smart contracts in a live environment with real monetary value.
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---
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# Connect to Kusama
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!!! smartcontract "PolkaVM Preview Release"
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PolkaVM smart contracts with Ethereum compatibility are in **early-stage development and may be unstable or incomplete**.
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<div class="button-wrapper">
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<a href="#" class="md-button connectMetaMask" value="kusamaHub">Connect to Kusama Hub</a>
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</div>
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For more information about how to connect to a Polkadot network, please check the [Wallets](/develop/smart-contracts/wallets/){target=\_blank} guide.
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!!! info "Production Environment"
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Kusama Hub offers a live environment for deploying smart contracts. Please note that the most recent version of Polkadot's Ethereum-compatible stack is available on the TestNet; however, you can also deploy it to the Kusama Hub for production use.
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## Networks Details
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Developers can leverage smart contracts on Kusama Hub for live production deployments. This section outlines the network specifications and connection details.
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=== "Kusama Hub"
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Network name
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```text
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Kusama Hub
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```
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---
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Currency symbol
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```text
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KSM
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```
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---
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Chain ID
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```text
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420420418
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```
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---
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RPC URL
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```text
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https://kusama-asset-hub-eth-rpc.polkadot.io
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```
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---
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Block explorer URL
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```text
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https://blockscout-kusama-asset-hub.parity-chains-scw.parity.io/
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```
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---
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## Important Deployment Considerations
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While the compatibility with regular EVM codebases is still being maximized, some recommendations include:
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- **Leverage [Hardhat](/develop/smart-contracts/dev-environments/hardhat){target=\_blank}** to compile, deploy, and interact with your contract.
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- **Use MetaMask** to interact with your dApp (note that using MetaMask can sometimes lead to `Invalid transaction` errors - this is actively being worked on and will be fixed soon).
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- **Avoid Remix** for deployment as MetaMask enforces a 48kb size limit when using the [Remix IDE](/develop/smart-contracts/dev-environments/remix){target=\_blank}, which is why Hardhat Polkadot is recommended for deployment.
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Kusama Hub is a live environment. Ensure your contracts are thoroughly tested before deployment, as transactions on Kusama Hub involve real KSM tokens and **cannot be reversed**.
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## Where to Go Next
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For your next steps, explore the various smart contract guides demonstrating how to use and integrate different tools and development environments into your workflow.
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<div class="grid cards" markdown>
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- <span class="badge guide">Guide</span> **Deploy your first contract with Hardhat**
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---
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Explore the recommended smart contract development and deployment process on Kusama Hub using Hardhat.
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[:octicons-arrow-right-24: Build with HardHat](/develop/smart-contracts/dev-environments/hardhat/)
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- <span class="badge guide">Guide</span> **Interact with the blockchain using viem**
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---
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Use viem for interacting with Ethereum-compatible chains to deploy and interact with smart contracts on Kusama Hub.
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[:octicons-arrow-right-24: Build with viem](/develop/smart-contracts/libraries/viem/)
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</div>
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--- END CONTENT ---
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Doc-Content: https://docs.polkadot.com/develop/smart-contracts/connect-to-polkadot/
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--- BEGIN CONTENT ---
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---

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