{"id":24809586,"url":"https://github.com/John0n1/ON1Builder","last_synced_at":"2025-10-13T11:31:26.051Z","repository":{"id":273662229,"uuid":"920018690","full_name":"John0n1/0xBuilder","owner":"John0n1","description":"Tracks the Ethereum mempool for profit opportunities. Implements front-running, back-running, sandwich attacks, and flashloan executions. And much more.. ","archived":false,"fork":false,"pushed_at":"2025-01-29T12:38:54.000Z","size":408,"stargazers_count":2,"open_issues_count":0,"forks_count":1,"subscribers_count":2,"default_branch":"main","last_synced_at":"2025-01-29T13:35:21.618Z","etag":null,"topics":["arbitrage","auto-trading","back-running","contributions-welcome","crypto-bot","cryptocurrencies","ethereum","front-running","linear-regression","mempool-monitoring","mev-bots","multi-language","open-source","sandwich-attacks","self-training","smart-contracts","trading"],"latest_commit_sha":null,"homepage":"https://github.com/John0n1/0xBuilder","language":"Python","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/John0n1.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":"CONTRIBUTING.md","funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2025-01-21T12:26:22.000Z","updated_at":"2025-01-29T12:38:58.000Z","dependencies_parsed_at":"2025-01-22T08:31:18.269Z","dependency_job_id":"8e1b11f3-80e8-460e-9f7b-1f143041e44a","html_url":"https://github.com/John0n1/0xBuilder","commit_stats":null,"previous_names":["john0n1/0xbuilder"],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/John0n1%2F0xBuilder","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/John0n1%2F0xBuilder/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/John0n1%2F0xBuilder/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/John0n1%2F0xBuilder/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/John0n1","download_url":"https://codeload.github.com/John0n1/0xBuilder/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":236337770,"owners_count":19132985,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["arbitrage","auto-trading","back-running","contributions-welcome","crypto-bot","cryptocurrencies","ethereum","front-running","linear-regression","mempool-monitoring","mev-bots","multi-language","open-source","sandwich-attacks","self-training","smart-contracts","trading"],"created_at":"2025-01-30T11:14:39.463Z","updated_at":"2025-10-13T11:31:20.745Z","avatar_url":"https://github.com/John0n1.png","language":"Python","funding_links":[],"categories":[],"sub_categories":[],"readme":"# 0xBuilder MEV Bot\n\n[![License](https://img.shields.io/badge/License-MIT-red.svg)](LICENSE)\n[![Contributions Welcome](https://img.shields.io/badge/Contributions-Welcome-red.svg)](CONTRIBUTING.md)\n##\n[![Python Version](https://img.shields.io/badge/Python-3.12.*-blue.svg)](https://www.python.org/downloads/release/python-3120/)\n[![Geth Version](https://img.shields.io/badge/Geth-v1.14.*-blue.svg)](https://geth.ethereum.org/)\n\n![Status](https://img.shields.io/badge/Status-Work%20in%20Progress-orange.svg)\n\n\n## Table of Contents\n\n- [Introduction](#introduction)\n- [Features](#features)\n- [Project Structure](#project-structure)\n- [Prerequisites](#prerequisites)\n  - [System Requirements](#system-requirements)\n  - [Software Dependencies](#software-dependencies)\n  - [Ethereum Node Setup](#ethereum-node-setup)\n- [Installation](#installation)\n  - [Cloning the Repository](#cloning-the-repository)\n  - [Setting up Virtual Environment](#setting-up-virtual-environment)\n  - [Installing Dependencies](#installing-dependencies)\n- [Configuration](#configuration)\n  - [Environment Variables](#environment-variables)\n  - [Configuration Files](#configuration-files)\n- [Deploying the Flashloan Contract](#deploying-the-flashloan-contract)\n- [Obtaining API Keys](#obtaining-api-keys)\n- [Running the Bot](#running-the-bot)\n- [Strategies](#strategies)\n- [Logging](#logging)\n- [Troubleshooting](#troubleshooting)\n- [Contributing](#contributing)\n- [License](#license)\n- [Disclaimer](#disclaimer)\n\n\n\n\n## Introduction\n\n***0xBuilder***  **is an advanced Ethereum trading bot for high-frequency trading and MEV opportunities. It implements strategies like front-running, back-running, sandwich attacks, and flashloan executions using various DeFi protocols.**\n**The bot monitors the Ethereum mempool for arbitrage opportunities, executes transactions, and interacts with smart contracts.**\n\n**It uses flashloans for capital efficiency and dynamic gas pricing optimal transaction fees. It is highly configurable, supports multiple wallets, tokens, and trading pairs, and provides detailed logging for analysis. It integrates with various APIs for blockchain and market data, enabling real-time market analysis and strategy execution.**\n**0xBuilder is designed for traders, developers, and researchers looking to leverage MEV opportunities in the Ethereum ecosystem.**\n\n***Note:*** ***0xBuilder is a work in progress.***\n\n[![](https://mermaid.ink/img/pako:eNp1kttu2zAMhl-FELBdNUBPF2uArcg5aZe0WHLTysbA2YotRJYMWd7qJtmzj5GdwNkwX8j-yU808ZNbFplYsC5LLOYprIaBBnp6_PKtX0oVCwtLh9aF0Ol8gT6faekkKvkudQIDo9cyCesrfU8MOAW1iNwhPxEuBU31G2TgkSGfiyw3RsHcUDVjCW2AoQdGvKdRVe8CVhZ1gVTM6KJBRh4Zb5-tWUuHP5SApzw31pVUq7rf11R9jg_s7kUUO5jwAaqoVOgbQx3D6E1EpVdzUzho1Vs6i04kVdiusjBtZgdkVJ2e-IamV3xsjXadb6UOzxLXvI_R5t_4DV9SG79klELPOUJCOMvf8l78E3Uk4r8bqs_pledmfKywSJVBfd_kp9d1plE3Z-r2qGo98_KBP-VOZvVUF4Z-Ch9hgkfPHzz0SA2vhau-L4Sjycg8J68GqYg2RePM55UtBfyGu8vO3acPzeXH_9l3SsJXXg9DFO2J1yt38rn9ZhcsEzZDGdPmbg_xgLlUZCJgXfqM0W4CFug9cVg6s6x0xLqOmrtg1pRJyrprVAWpMo_J2aFEWv_sFM1Rvxpz1Ps_TBb5rA?type=png)](https://mermaid.live/edit#pako:eNp1kttu2zAMhl-FELBdNUBPF2uArcg5aZe0WHLTysbA2YotRJYMWd7qJtmzj5GdwNkwX8j-yU808ZNbFplYsC5LLOYprIaBBnp6_PKtX0oVCwtLh9aF0Ol8gT6faekkKvkudQIDo9cyCesrfU8MOAW1iNwhPxEuBU31G2TgkSGfiyw3RsHcUDVjCW2AoQdGvKdRVe8CVhZ1gVTM6KJBRh4Zb5-tWUuHP5SApzw31pVUq7rf11R9jg_s7kUUO5jwAaqoVOgbQx3D6E1EpVdzUzho1Vs6i04kVdiusjBtZgdkVJ2e-IamV3xsjXadb6UOzxLXvI_R5t_4DV9SG79klELPOUJCOMvf8l78E3Uk4r8bqs_pledmfKywSJVBfd_kp9d1plE3Z-r2qGo98_KBP-VOZvVUF4Z-Ch9hgkfPHzz0SA2vhau-L4Sjycg8J68GqYg2RePM55UtBfyGu8vO3acPzeXH_9l3SsJXXg9DFO2J1yt38rn9ZhcsEzZDGdPmbg_xgLlUZCJgXfqM0W4CFug9cVg6s6x0xLqOmrtg1pRJyrprVAWpMo_J2aFEWv_sFM1Rvxpz1Ps_TBb5rA)\n\n## Features\n\n### Trading Capabilities\n- **Mempool Monitoring**: Tracks the Ethereum mempool for arbitrage and profit opportunities\n- **Strategy Execution**: Implements front-running, back-running, sandwich attacks, and flashloan executions\n- **Flashloan Integration**: Utilizes flashloans for capital efficiency without initial capital\n- **Market Analysis**: Analyzes market conditions using multiple APIs\n\n### Technical Features\n- **Dynamic Gas Pricing**: Adjusts gas prices based on network conditions\n- **Nonce Management**: Manages nonces to prevent transaction failures\n- **Safety Mechanisms**: Includes safety checks to manage risks\n- **Transaction Bundling**: Groups multiple transactions for efficiency\n\n### Integration \u0026 Customization\n- **Smart Contract Interactions**: Interacts with DeFi protocols like Uniswap, Aave, Sushiswap, PancakeSwap, and Balancer\n- **API Integration**: Connects to various APIs for blockchain and market data\n- **Configurable Parameters**: Allows adjustment of parameters, strategies, and risk levels\n- **Detailed Logging**: Provides logs of activities, transactions, and strategies\n- **Customizable**: Supports multiple wallets, tokens, and trading pairs\n\n## Project Structure\n\n```\n/0xBuilder/\n├── abi/\n│   ├── uniswap_abi.json\n│   ├── erc20_abi.json\n│   └── aave_pool_abi.json\n├── contracts/\n│   ├── SimpleFlashloan.sol\n│   └── IERC20.sol\n├── linear_regression/\n│   ├── training_data.csv\n│   └── price_model.joblib\n├── python/\n│   ├── safety_net.py\n│   ├── strategy_net.py\n│   ├── mempool_monitor.py\n│   ├── market_monitor.py\n│   ├── main.py\n│   ├── transaction_core.py\n│   ├── main_core.py\n│   ├── nonce_core.py\n│   ├── api_config.py\n│   ├── configuration.py\n|   ├── abi_registry.py\n│   ├── 0xBuilder.log\n|   ├── __init__.py\n│   └── pyutils/\n│    ├── strategyexecutionerror.py\n│    ├── strategyconfiguration.py\n│    └── colorformatter.py\n├── utils/\n│   ├── token_addresses.json\n│   ├── erc20_signatures.json\n│   └── token_symbols.json\n├── .env\n└── requirements.txt\n```\n\n### Description of Key Directories and Files\n\n- **abi/**: Contains JSON files for various smart contract ABIs.\n- **contracts/**: Includes Solidity smart contracts.\n- **linear_regression/**: Contains data and models for regression analysis.\n- **python/**: Contains Python scripts forming the core functionality.\n- **utils/**: Stores utility JSON files for token data.\n- **Logs/**: Maintains log files for tracking activities.\n- **requirements.txt**: Lists Python dependencies.\n\n## Prerequisites\n\nEnsure the following before running 0xBuilder:\n\n### System Requirements\n\n- **Operating System**:\n  - Linux (Ubuntu 20.04+ recommended)\n  - Windows 10/11\n  - macOS 12+\n- **Network**:\n  - Internet: Minimum 50Mbps (100Mbps recommended)\n- **Hardware**:\n  - CPU: 4+ cores, 3.0GHz+ (Intel i7/Ryzen 7 or better recommended)\n  - RAM: Minimum 16GB (32GB recommended)\n  - Storage: Minimum 1.3TB NVMe SSD (2TB recommended)\n\n### Software Dependencies\n\n- **Execution Client**: execution client compatible with Ethereum, see [Ethereum Node Setup](#ethereum-node-setup)\n- **Development Tools**:\n    - web3.py\n    - Python packages from `requirements.txt`\n\n### Additional Optional Tools\n- **Git**: Latest stable version\n- **Docker**: Optional for containerization\n- **Build Tools**: make, gcc, platform-specific compilers\n\n### Ethereum Node Setup\n\nChoose and set up an execution client compatible with Ethereum:\n\n| Client | Language | OS Support | Networks | Sync Methods |\n|--------|----------|------------|----------|--------------|\n| [Geth](https://geth.ethereum.org/) | Go | Linux, Windows, macOS | Mainnet, Sepolia, Holesky | Snap, Full |\n| [Nethermind](https://www.nethermind.io/) | C#/.NET | Linux, Windows, macOS | Mainnet, Sepolia, Holesky | Snap, Fast, Full |\n| [Besu](https://besu.hyperledger.org/) | Java | Linux, Windows, macOS | Mainnet, Sepolia, Holesky | Snap, Fast, Full |\n| [Erigon](https://github.com/ledgerwatch/erigon) | Go | Linux, Windows, macOS | Mainnet, Sepolia, Holesky | Full |\n| [Reth](https://reth.rs/) | Rust | Linux, Windows, macOS | Mainnet, Sepolia, Holesky | Full |\n| [EthereumJS](https://github.com/ethereumjs/ethereumjs-monorepo) | TypeScript | Linux, Windows, macOS | Sepolia, Holesky | Full |\n\n#### Geth Configuration\n\n1. **Installation**:\n   Follow the official [Geth installation guide](https://geth.ethereum.org/docs/install-and-build/installing-geth).\n\n2. **Launch Node**:\n```bash\n./geth --mainnet --syncmode snap --http --http.api eth,net,admin,web3,txpool --ws --ws.api eth,net,admin,web3,txpool --maxpeers 100 --cache 16000 --ipcpath ~/0xBuilder/geth.ipc --allow-insecure-unlock --http.corsdomain \"*\" \n```\n\n3. **Monitor Sync**:\n```bash\n   # Connect to node\n   geth attach ipc:/path/to/geth.ipc\n\n   # Check sync status\n   \u003e eth.syncing\n```\n\n#### Beacon Node Setup\n\n1. **Installation**:\n   Follow the official [Prysm installation guide](https://docs.prylabs.network/docs/install/install-with-script).\n\n```bash \n   curl https://raw.githubusercontent.com/prysmaticlabs/prysm/master/prysm.sh --output prysm.sh\n   chmod +x prysm.sh\n```\n2. **Launch Node**:\n```bash\n./prysm.sh beacon-chain --accept-terms-of-use --execution-endpoint ~/0xBuilder/geth.ipc --mainnet --checkpoint-sync-url https://beaconstate.info --genesis-beacon-api-url https://beaconstate.info\n``` \nInstall either:\n\n- [Prysm](https://docs.prylabs.network/docs/getting-started)\n- [Lighthouse](https://lighthouse-book.sigmaprime.io/installation.html)\n\n## Installation\n\n### Cloning the Repository\n\n```bash\ngit clone https://github.com/John0n1/0xBuilder.git\ncd 0xBuilder\n```\n\n### Setting up Virtual Environment\n\nUsing a virtual environment manages dependencies:\n\nFor Linux/MacOS:\n\n```bash\npython3 -m venv venv\nsource venv/bin/activate\n```\n\n### Installing Dependencies\n\n```bash\npython -m pip install --upgrade pip\npip install -r requirements.txt\n```\n\n## Configuration\n\n### Environment Variables\n\n1. Create a `.env` file:\n\n```bash\n# Linux/MacOS\ncp .env.example .env\n\n# Windows\ncopy .env.example .env\n```\n\n2. Configure variables:\n   - Add API keys\n   - Set node endpoints\n   - Configure wallet details\n\n3. Validate configuration:\n\n```bash\nls -la .env\nchmod 600 .env\n```\n\nExample `.env`:\n\n```ini\n# API Configuration\nETHERSCAN_API_KEY=your_etherscan_api_key\nINFURA_PROJECT_ID=your_infura_project_id\nCOINGECKO_API_KEY=your_coingecko_api_key\nCOINMARKETCAP_API_KEY=your_coinmarketcap_api_key\nCRYPTOCOMPARE_API_KEY=your_cryptocompare_api_key\n\n# Ethereum Node Configuration\nHTTP_ENDPOINT=http://127.0.0.1:8545\nWS_ENDPOINT=wss://127.0.0.1:8546\nIPC_ENDPOINT=/path/to/geth.ipc\n\n# Wallet Configuration\nPRIVATE_KEY=your_private_key\nWALLET_ADDRESS=0xYourWalletAddress\n\n# Token Configuration\nTOKEN_ADDRESSES=utils/token_addresses.json\nTOKEN_SYMBOLS=utils/token_symbols.json\n\n# DEX Router Configurations\nUNISWAP_ADDRESS=0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D\nSUSHISWAP_ADDRESS=0xd9e1cE17F2641f24aE83637ab66a2cca9C378B9F\n\n# ABI Paths\nUNISWAP_ABI=abi/uniswap_abi.json\nSUSHISWAP_ABI=abi/sushiswap_abi.json\nERC20_ABI=abi/erc20_abi.json\n\n# Flashloan Configuration\nAAVE_ADDRESS=0xYourFlashloanContractAddress\nAAVE_POOL_ADDRESS=0x87870Bca3F3fD6335C3F4ce8392D69350B4fA4E2\n```\n\n### Configuration Files\n\nEnsure JSON files in `utils` are properly formatted:\n\n| File | Description | Format |\n|------|-------------|--------|\n| `token_addresses.json` | Monitored token contracts | `{\"symbol\": \"address\"}` |\n| `token_symbols.json` | Address to symbol mapping | `{\"address\": \"symbol\"}` |\n| `erc20_signatures.json` | ERC20 function signatures | `{\"name\": \"signature\"}` |\n\n## Deploying the Flashloan Contract\n\nDeploy a flashloan contract compatible with Aave V3.\n\n### Deployment Options\n\n#### Using Remix IDE (Recommended)\n\n1. Launch [Remix IDE](https://remix.ethereum.org/)\n2. Create `SimpleFlashloan.sol`\n3. Implement flashloan logic per Aave's specifications\n4. Compile with Solidity v0.8.19+\n5. Deploy via MetaMask\n6. Update `.env` with contract address\n\n#\n3. **Example Flashloan Contract AAVE V3**:\n   ```solidity\n   // SPDX-License-Identifier: MIT\n   pragma solidity ^0.8.20;\n\n   import \"https://github.com/aave/aave-v3-core/blob/master/contracts/flashloan/base/FlashLoanSimpleReceiverBase.sol\";\n   import \"https://github.com/aave/aave-v3-core/blob/master/contracts/interfaces/IPoolAddressesProvider.sol\";\n   import \"https://github.com/aave/aave-v3-core/blob/master/contracts/dependencies/openzeppelin/contracts/IERC20.sol\";\n\n   contract SimpleFlashLoan is FlashLoanSimpleReceiverBase {\n       address payable public owner;\n\n       event FlashLoanRequested(address token, uint256 amount);\n       event FlashLoanExecuted(address token, uint256 amount, uint256 premium, bool success);\n\n       constructor(address _addressProvider) FlashLoanSimpleReceiverBase(IPoolAddressesProvider(_addressProvider)) {\n           owner = payable(msg.sender);\n       }\n\n       modifier onlyOwner() {\n           require(msg.sender == owner, \"Not contract owner\");\n           _;\n       }\n\n       function fn_RequestFlashLoan(address _token, uint256 _amount) public onlyOwner {\n           emit FlashLoanRequested(_token, _amount);\n           POOL.flashLoanSimple(address(this), _token, _amount, \"\", 0);\n       }\n\n       function executeOperation(\n           address asset,\n           uint256 amount,\n           uint256 premium,\n           address initiator,\n           bytes calldata params\n       ) external override returns (bool) {\n           require(IERC20(asset).approve(address(POOL), amount + premium), \"Approval failed\");\n           emit FlashLoanExecuted(asset, amount, premium, true);\n           return true;\n       }\n\n       function withdrawToken(address _tokenAddress) public onlyOwner {\n           IERC20 token = IERC20(_tokenAddress);\n           uint256 balance = token.balanceOf(address(this));\n           require(balance \u003e 0, \"No tokens to withdraw\");\n           token.transfer(owner, balance);\n       }\n\n       function withdrawETH() public onlyOwner {\n           uint256 balance = address(this).balance;\n           require(balance \u003e 0, \"No ETH to withdraw\");\n           owner.transfer(balance);\n       }\n\n       receive() external payable {}\n   }\n   ```\n\n6. **Update Configuration**:\n   ```ini\n   AAVE_ADDRESS=0xYourDeployedContract\n   ```\n\n## Obtaining API Keys\n\nRegister and obtain API keys from:\n\n1. [Infura](https://infura.io/)\n2. [Etherscan](https://etherscan.io/apis)\n3. [CoinGecko](https://www.coingecko.com/en/api)\n4. [CoinMarketCap](https://coinmarketcap.com/api/)\n5. [CryptoCompare](https://min-api.cryptocompare.com/)\n6. [Binance](https://www.binance.com/en/support/faq/) (optional)\n\nStore all API keys securely.\n\n## Running the Bot\n\n[![](https://mermaid.ink/img/pako:eNqFkcFugzAMhl_FyqUSKn0AJk1qgUo77LJNPQx6iMCAtZAwk6Chqte9wN5wT7IAZTsup_j3Z1v-fRGFKVFEombZNfCS3OUa_NtnsTIa4Qk705M1PJ4hDO_hkMWM0iKciK2TClI9EBvdorbnW-1hJuNsX1ga_mHjmU2yB91bqRR8f34tiU0QdNQB3fSQgfHdEeNU3e_shw2CzdolmbukWWx0RbVjhB3qAY6kcEXSGTlmJ2SqRlhJacnoiVkosRUtciup9JZcJi0XtvEzcxH5byn5LRe5vnpOOmueR12IyLLDrWDj6kZElVS9j1xX-s0Tkt7X9lftpH415i_GcrL2cbnAfIjrD5YVg78?type=png)](https://mermaid.live/edit#pako:eNqFkcFugzAMhl_FyqUSKn0AJk1qgUo77LJNPQx6iMCAtZAwk6Chqte9wN5wT7IAZTsup_j3Z1v-fRGFKVFEombZNfCS3OUa_NtnsTIa4Qk705M1PJ4hDO_hkMWM0iKciK2TClI9EBvdorbnW-1hJuNsX1ga_mHjmU2yB91bqRR8f34tiU0QdNQB3fSQgfHdEeNU3e_shw2CzdolmbukWWx0RbVjhB3qAY6kcEXSGTlmJ2SqRlhJacnoiVkosRUtciup9JZcJi0XtvEzcxH5byn5LRe5vnpOOmueR12IyLLDrWDj6kZElVS9j1xX-s0Tkt7X9lftpH415i_GcrL2cbnAfIjrD5YVg78)\n\n### Prerequisites\n\n- Synchronized Ethereum node\n- Active beacon node\n- Configured environment variables\n- Valid API keys\n- Deployed flashloan contract\n- Wallet with with balance sufficient for gas fees\n\n### Launch Sequence\n\n1. Activate environment:\n   ```bash\n   source venv/bin/activate\n   ```\n\n2. Start bot:\n   ```bash\n   python python/main.py\n   ```\n\n### Monitoring\n\n- Check `python/0xBuilder.log` for logs\n- Monitor console for real-time status\n- Use `Ctrl+C` to shutdown gracefully\n\n### Performance Optimization\n\n- Keep node fully synced\n- Monitor API rate limits\n- Maintain sufficient ETH balance\n- Regularly check logs\n- Update dependencies as needed\n\n## Strategies\n\n0xBuilder implements several trading strategies to capitalize on Ethereum network opportunities:\n\n### Core Strategies\n\n- **Front-Running**: Executes transactions ahead of profitable ones.\n- **Back-Running**: Executes transactions immediately after profitable ones.\n- **Sandwich Attacks**: Combines front- and back-running around target transactions.\n- **Flashloan Arbitrage**: Uses flashloans for arbitrage without initial capital.\n\n### Technical Components\n\n- **Nonce Management**: Ensures proper transaction ordering.\n- **Dynamic Gas Optimization**: Adjusts gas prices based on network conditions.\n- **Real-time Market Analysis**: Identifies profitable opportunities.\n- **Safety Protocols**: Validates transactions and assesses risks.\n- **Transaction Bundling**: Groups multiple transactions per block.\n\n## Logging\n\nLogs are maintained in `python/0xBuilder.log`, including:\n\n- Transaction detections\n- Strategy executions\n- Errors and exceptions\n- Transaction results\n\nConfigure logging in `python/main_core.py` via `setup_logging()`.\n\n## Troubleshooting\n\n\n### Common Issues\n\n| Issue | Solution |\n|-------|----------|\n| Node Connection Failures | Verify node status and endpoints |\n| API Rate Limit Exceeded | Implement throttling or upgrade API tier |\n| Insufficient Gas Balance | Ensure adequate ETH for fees |\n| Nonce Synchronization | Reset nonce manager or synchronize manually |\n| Node Sync Status | Ensure full node synchronization |\n\n### Debug Tips\n\n1. Enable verbose logging\n2. Keep dependencies updated\n3. Verify contract deployment on explorers\n4. Test on testnets before mainnet\n\n## Contributing\n\nReview [CONTRIBUTING.md](CONTRIBUTING.md) for guidelines.\nContributions are most welcome! ❤️❤️\n\n### Contribution Process\n\n1. Fork the repository\n2. Create a feature branch\n3. Follow PEP 8\n4. Include unit tests\n5. Submit a pull request\n\n## License\n\nLicensed under the [MIT License](LICENSE). See LICENSE file for details.\n\n## Disclaimer\n\n**IMPORTANT**: Me the author, and the project contributors, are not responsible for any financial losses or damages incurred by using 0xBuilder. Use at your own risk. Not in any instance should any contributor, author, or the project be held liable for any financial losses or damages. Use 0xBuilder at your own risk and discretion. \n\n### Risk Factors\n\n- Strategies may be aggressive or unethical\n- Cryptocurrency trading carries financial risks\n- Smart contracts may have vulnerabilities\n\n## Acknowledgements\n\nThanks to the following projects creating the foundation of many projects including this one: \n\n- ❤️ [Aave](https://github.com/aave/aave-v3-core) for Flashloan integration\n- ❤️ [Uniswap](https://github.com/uniswap/uniswap-v2-core) for DEX integration\n- ❤️ [Geth](https://github.com/ethereum/go-ethereum) for Ethereum node\n- ❤️ [Remix](https://remix.ethereum.org/) for Solidity IDE\n- ❤️ [Web3.py](https://github.com/ethereum/web3.py) for Python integration\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2FJohn0n1%2FON1Builder","html_url":"https://awesome.ecosyste.ms/projects/github.com%2FJohn0n1%2FON1Builder","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2FJohn0n1%2FON1Builder/lists"}