Add hardhat node support

Author: pgherveou

README.md

@@ -124,6 +124,9 @@ revive_dev_stack
 # Or run with mitmproxy for traffic inspection
 # Note: Requires mitmproxy setup first - https://github.com/pgherveou/mitmproxy
 revive_dev_stack --proxy
+
+# Run with custom consensus mode (e.g., manual-seal with 12 second block time)
+revive_dev_stack --consensus manual-seal-12000
 ```
 
 ## Running the Geth Stack

scripts/hardhat-playground/.gitignore

@@ -0,0 +1,17 @@
+node_modules
+.env
+
+# Hardhat files
+/cache
+/artifacts
+
+# TypeChain files
+/typechain
+/typechain-types
+
+# solidity-coverage files
+/coverage
+/coverage.json
+
+# Hardhat Ignition default folder for deployments against a local node
+ignition/deployments/chain-31337

scripts/hardhat-playground/hardhat.config.js

@@ -0,0 +1,4 @@
+/** @type import('hardhat/config').HardhatUserConfig */
+module.exports = {
+  solidity: "0.8.28",
+};