Retirement Dashboard

import streamlit as st
import pandas as pd
from web3 import Web3
import requests
import json

# --- CONFIGURATION ---
RPC_URL = "https://rpc.planethemp.one"
CONTRACT_ADDRESS = "0xYourContractAddressHere"
IPFS_GATEWAY = "https://ipfs.io/ipfs/"  # Or your local Nexus gateway
ABI = json.loads('[...your_contract_abi...]')

# Initialize Web3
w3 = Web3(Web3.HTTPProvider(RPC_URL))
contract = w3.eth.contract(address=CONTRACT_ADDRESS, abi=ABI)

st.set_page_config(page_title="Planet Hemp | Retirement Dashboard", layout="wide")

def fetch_ipfs_metadata(cid):
    """Retrieves environmental proof from the Data Commons."""
    try:
        response = requests.get(f"{IPFS_GATEWAY}{cid}", timeout=5)
        return response.json()
    except:
        return None

def get_retirement_events():
    """Queries the Ledger for all CarbonRetired events."""
    events = contract.events.CarbonRetired().get_logs(from_block=0)
    data = []
    for event in events:
        args = event['args']
        data.append({
            "Beneficiary": args['beneficiary'],
            "Amount (Tons)": args['amount'],
            "Reason": args['reason'],
            "Timestamp": pd.to_datetime(args['timestamp'], unit='s'),
            "CID": args['evidenceCID'],
            "TxHash": event['transactionHash'].hex()
        })
    return pd.DataFrame(data)

# --- DASHBOARD UI ---
st.title("🌿 Global Hemp Ledger: Retirement Explorer")
st.markdown("Verify the permanent sequestration of atmospheric carbon through our decentralized audit trail.")

# Summary Metrics
df = get_retirement_events()
col1, col2, col3 = st.columns(3)
col1.metric("Total CO2 Retired", f"{df['Amount (Tons)'].sum()} Tons")
col2.metric("Active Partners", df['Beneficiary'].nunique())
col3.metric("Ledger Integrity", "100% Verified")

st.divider()

# Certificate View
st.subheader("📜 Issued Certificates of Sequestration")
for index, row in df.iterrows():
    with st.expander(f"Certificate: {row['Beneficiary']} - {row['Amount (Tons)']} Tons"):
        c1, c2 = st.columns([2, 1])
        
        with c1:
            st.write(f"**Reason:** {row['Reason']}")
            st.write(f"**Retired On:** {row['Timestamp']}")
            st.code(f"Tx Hash: {row['TxHash']}")
            st.link_button("View on Ledger Explorer", f"https://explorer.planethemp.one/tx/{row['TxHash']}")
            
        with c2:
            # Fetch real-time data from IPFS for this specific harvest
            metadata = fetch_ipfs_metadata(row['CID'])
            if metadata:
                st.info("📊 Environmental Proof")
                st.json(metadata['telemetry']) # Displays soil moisture, NPK, etc.
            else:
                st.warning("Metadata fetching from IPFS...")

st.sidebar.image("https://planethemp.one/logo.png", width=200)
st.sidebar.title("Partner Portal")
selected_partner = st.sidebar.selectbox("Filter by Beneficiary", ["All"] + list(df['Beneficiary'].unique()))

if selected_partner != "All":
    st.write(f"Showing results for: **{selected_partner}**")

pip install streamlit web3 pandas requests
streamlit run ghl_dashboard.py