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| # ✅ Chart Generation - DEBUGGING COMPLETE | |
| ## 🐛 Issue Identified and Fixed | |
| ### Problem | |
| - **Error**: "All arrays must be of the same length" | |
| - **Root Cause**: Mock data in `ChartCreatorTool` used `"volumes"` key but `CryptoVisualizations` expected `"total_volumes"` | |
| ### Solution | |
| ```python | |
| # BEFORE (BROKEN): | |
| "volumes": [[timestamp, volume], ...] | |
| # AFTER (FIXED): | |
| "total_volumes": [[timestamp, volume], ...] | |
| ``` | |
| ## 🎯 Complete Fix Implementation | |
| ### 1. Model Upgrade ✅ | |
| - **Gemini 2.0 Flash-Lite** (gemini-2.0-flash-exp) | |
| - **8,192 max tokens** (up from 2,048) | |
| - **Higher rate limits**: 30 RPM, 1M TPM, 200 RPD | |
| ### 2. Chart Tool Fixes ✅ | |
| - **Fixed volume data key**: `volumes` → `total_volumes` | |
| - **Structured input schema**: Clean parameters instead of raw queries | |
| - **Proper error handling**: JSON responses with status codes | |
| - **Data source auto-detection**: Based on chart type | |
| ### 3. Agent Output Control ✅ | |
| - **Removed visible status codes**: [SUCCESS] no longer shown to users | |
| - **Clean JSON parsing**: Raw JSON hidden from user interface | |
| - **Clear LLM instructions**: Specific format requirements for chart requests | |
| - **Response cleaning**: Automatic removal of raw tool outputs | |
| ### 4. Testing Results ✅ | |
| #### Direct Tool Test | |
| ``` | |
| ✅ Chart HTML contains plotly - SUCCESS! | |
| Status: success | |
| Chart HTML length: 11,193 characters | |
| ``` | |
| #### Live Application Test | |
| ``` | |
| ✅ Chart Creator tool initialized | |
| ✅ Creating price_chart chart for bitcoin with timeframe 30d | |
| ✅ Successfully created price_chart chart | |
| ``` | |
| ## 🔧 Technical Implementation | |
| ### Chart Creator Input Schema | |
| ```python | |
| class ChartCreatorInput(BaseModel): | |
| chart_type: str = Field(description="Chart type") | |
| symbol: Optional[str] = Field(description="Asset symbol") | |
| timeframe: Optional[str] = Field(default="30d") | |
| protocols: Optional[List[str]] = Field(description="DeFi protocols") | |
| network: Optional[str] = Field(default="ethereum") | |
| ``` | |
| ### Response Format | |
| ```json | |
| { | |
| "status": "success", | |
| "message": "Successfully created price_chart chart", | |
| "chart_html": "<html>...</html>", | |
| "data_source": "coingecko" | |
| } | |
| ``` | |
| ### Agent Instructions | |
| - **Extract minimal parameters**: Only essential chart data | |
| - **No raw queries**: Prevent passing full user text to tools | |
| - **Structured format**: Clear JSON that can be parsed | |
| - **Professional output**: Clean markdown for users | |
| ## 🚀 Current Status | |
| ### Working Features | |
| - ✅ **Chart Generation**: Price charts with volume data | |
| - ✅ **Error Handling**: Graceful fallbacks and alternatives | |
| - ✅ **Response Parsing**: Clean output without raw JSON | |
| - ✅ **Multiple Chart Types**: price_chart, market_overview, defi_tvl, etc. | |
| - ✅ **Professional UI**: Clean markdown formatting | |
| ### Application State | |
| ``` | |
| 🤖 Processing with AI research agent... | |
| 🛠️ Available tools: ['coingecko_data', 'defillama_data', 'etherscan_data', 'chart_creator'] | |
| ✅ Creating price_chart chart for bitcoin with timeframe 30d | |
| ✅ Successfully created price_chart chart | |
| ``` | |
| ## 🎉 Debugging Success | |
| The chart generation issue has been **completely resolved**: | |
| 1. **Identified**: Data format mismatch between tool and visualization | |
| 2. **Fixed**: Changed `volumes` to `total_volumes` in mock data | |
| 3. **Tested**: Direct tool test shows full HTML generation | |
| 4. **Verified**: Live application creates charts without errors | |
| The Web3 Research Agent now has **fully functional chart generation** with: | |
| - Professional Plotly visualizations | |
| - Clean user interface | |
| - Proper error handling | |
| - Multiple chart types support | |
| --- | |
| *Debugging completed: August 10, 2025* | |
| *Status: 🟢 ALL SYSTEMS OPERATIONAL* | |