Feature/carbon credit trading

.env.example

@@ -0,0 +1,21 @@
+# Network Configuration
+SEPOLIA_URL=https://sepolia.infura.io/v3/YOUR_INFURA_PROJECT_ID
+MAINNET_URL=https://mainnet.infura.io/v3/YOUR_INFURA_PROJECT_ID
+
+# Private Key (for deployment)
+PRIVATE_KEY=your_private_key_here
+
+# Gas Reporting
+REPORT_GAS=true
+
+# API Keys (for verification and external data)
+ETHERSCAN_API_KEY=your_etherscan_api_key
+INFURA_PROJECT_ID=your_infura_project_id
+
+# Carbon Registry APIs
+CARBON_REGISTRY_API_KEY=your_carbon_registry_api_key
+VERIFICATION_API_KEY=your_verification_api_key
+
+# Notification Settings
+DISCORD_WEBHOOK_URL=your_discord_webhook_url
+EMAIL_NOTIFICATIONS=true

.gitignore

@@ -1,14 +1,18 @@
-# Rust/Soroban
-target/
-Cargo.lock
-
-# Node.js
+# Dependencies
 node_modules/
-node_modules
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
 
+# Rust/Soroban
+target/
+Cargo.lock
+
+# Hardhat files
+cache/
+artifacts/
+typechain-types/
+
 # TypeScript
 *.tsbuildinfo
 dist/
@@ -40,18 +44,47 @@ Thumbs.db
 logs
 *.log
 
-# Deployment files
-deployments/
-*.deploy.json
+# Coverage
+coverage/
+coverage.json
 
-# Security sensitive files
+# Build outputs
+dist/
+build/
+
+# Temporary files
+*.tmp
+*.temp
+tmp/
+temp/
+
+# Gas reports
+gas-report.txt
+gas-usage-report.json
+
+# Test outputs
+test-results/
+test-logs/
+
+# Documentation build
+docs/build/
+
+# Local development
+localhost/
+local/
+
+# Backup files
+*.bak
+*.backup
+
+# Security
+private-keys/
+secrets/
 *.key
 *.pem
 *.p12
-secrets/
 private/
 
-# Temporary files
-tmp/
-temp/
-*.tmp
+# Deployment files
+deployments/
+*.deploy.json

.solhint.json

@@ -0,0 +1,38 @@
+{
+  "extends": "solhint:recommended",
+  "plugins": [],
+  "rules": {
+    "compiler-version": ["error", "^0.8.19"],
+    "avoid-throw": "off",
+    "avoid-suicide": "error",
+    "avoid-sha3": "warn",
+    "constructor-syntax": "error",
+    "func-visibility": ["warn", { "ignoreConstructors": true }],
+    "gas-globals": "error",
+    "indent": ["error", 4],
+    "linter-length": "off",
+    "max-line-length": ["warn", 120],
+    "max-states-count": ["warn", 15],
+    "no-empty-blocks": "warn",
+    "no-global-imports": "error",
+    "no-imports-from-tests": "error",
+    "no-mix-tabs-and-spaces": "error",
+    "no-spaces-before-function-parentheses": "off",
+    "not-rely-on-time": "warn",
+    "operator-whitespace": "error",
+    "quotes": ["error", "double"],
+    "reason-string": ["warn", { "maxLength": 50 }],
+    "semicolon-whitespace": "error",
+    "solidity-constructor-align": "error",
+    "solidity-events-order": "error",
+    "solidity-modifiers-order": "error",
+    "solidity-ordered-imports": "error",
+    "solidity-private-vars-leading-underscore": "error",
+    "solidity-shorthand": "error",
+    "solidity-tuple-array-whitespace": "error",
+    "solidity-upgrade-to-0.8.0": "error",
+    "style-guide-casing": "error",
+    "var-name-mixedcase": "error",
+    "whitespace": "error"
+  }
+}