Modernize codebase: Update Solidity to 0.8.20, Web3.js to v4, and add…#80
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SukanyaByteSavy wants to merge 1 commit intoinoutcode:masterfrom
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Modernize codebase: Update Solidity to 0.8.20, Web3.js to v4, and add…#80SukanyaByteSavy wants to merge 1 commit intoinoutcode:masterfrom
SukanyaByteSavy wants to merge 1 commit intoinoutcode:masterfrom
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🚀 Codebase Modernization: Ethereum Book (2018 → 2024)
This significant repository update transforms code examples from ≈2018 standards (Solidity 0.4.x, Web3.js 1.0) to modern 2024 production standards.
✨ KEY CHANGES
Language Compliance: Updated all .sol files (Faucets, Tokens, Auction DApp) to the modern v0.8.20 compiler.
Security & Architecture: Refactored constructors, added explicit visibility modifiers, and implemented standard security practices (e.g., payable(addr).transfer).
Deprecation Handling: Replaced outdated patterns (like selfdestruct and anonymous fallback functions) with modern equivalents (receive()).
Web3.js v4: Auction DApp frontend updated to use the latest Web3.js v4, utilizing async/await and robust EIP-1193 provider handling (MetaMask).
Testing Network Transition: Updated standalone scripts to target the active Sepolia Testnet instead of the deprecated Kovan network.
RPC Endpoints: JSON-RPC examples now use current, public Sepolia RPC endpoints.
Book Text Synchronization: Embedded code blocks within AsciiDoc chapters (8, 9, 10, 12, 14) are now perfectly synchronized with the new, modernized Solidity files.
CI/CD Pipeline: Added a GitHub Actions workflow (.github/workflows/ci.yml) to automatically compile contracts and verify build integrity upon every change.
Config Fix: Renamed truffle.js to truffle-config.js to resolve command conflicts on Windows machines.