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[FIX] - Hardhat disclaimer in SC #627

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Merged
merged 3 commits into from
May 13, 2025
Merged

[FIX] - Hardhat disclaimer in SC #627

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123944b
fix: hardaht disclaimer
nhussein11 May 12, 2025
03738cd
fix: adding snippet for formatting
nhussein11 May 13, 2025
a5e0509
Update .snippets/code/develop/smart-contracts/dev-environments/hardha…
nhussein11 May 13, 2025
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11 changes: 11 additions & 0 deletions ...elop/smart-contracts/dev-environments/hardhat/disclaimer-json-rpc-provider-alternative.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
const { JsonRpcProvider } = require('ethers');
const provider = new JsonRpcProvider('http://localhost:8545');
const wallet = new ethers.Wallet('INSERT_PRIVATE_KEY', provider);

// Deploy using direct provider instead of Hardhat's wrapper
const ContractFactory = new ethers.ContractFactory(
contractABI,
contractBytecode,
wallet
);
const contract = await ContractFactory.deploy(...constructorArgs);
14 changes: 10 additions & 4 deletions develop/smart-contracts/dev-environments/hardhat.md
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Expand Up @@ -147,11 +147,17 @@ Before deploying to a live network, you can deploy your contract to a local node

!!! warning "Contract Size Limitation in Testing Environment"

When testing or deploying large contracts in Hardhat's local environment, you may encounter this error:
When deploying large contracts, you might encounter: `Error: the initcode size of this transaction is too large`.

This limitation is imposed by Hardhat's client-side checks, not by PolkaVM itself. As a workaround, you can use a direct `JsonRpcProvider`:

```javascript
--8<-- "code/develop/smart-contracts/dev-environments/hardhat/disclaimer-json-rpc-provider-alternative.js"
```

For more details, see [this GitHub issue](https://github.com/paritytech/contract-issues/issues/47#issuecomment-2790181622){target=\_blank}.


`Error: the initcode size of this transaction is too large`

This limitation is established by Hardhat based on Ethereum's default contract size limits. While Hardhat can disable this limitation, technical constraints currently prevent it from being applied to the PolkaVM test environment.

1. First, ensure you have compiled a Substrate node and the ETH RPC adapter from the Polkadot SDK. Checkout the [compatible commit](https://github.com/paritytech/polkadot-sdk/commit/c29e72a8628835e34deb6aa7db9a78a2e4eabcee){target=\_blank} from the SDK and build the node and the ETH-RPC from source:

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