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import React, { useState, useEffect } from 'react';
import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
import { Badge } from "@/components/ui/badge";
import { Progress } from "@/components/ui/progress";
import { Shield, Link, Activity, FileText } from 'lucide-react';
interface BlockchainMonitorProps {
loading: boolean;
}
const BlockchainMonitor: React.FC<BlockchainMonitorProps> = ({ loading }) => {
const [transactions, setTransactions] = useState<{
hash: string;
type: string;
status: string;
timestamp: string;
gas: number;
}[]>([
{
hash: '0x7f9e4c8d...',
type: 'Machine NFT Minting',
status: 'Confirmed',
timestamp: '10:30:15',
gas: 98500
},
{
hash: '0x3e6b9d2f...',
type: 'Batch Transfer',
status: 'Pending',
timestamp: '10:29:42',
gas: 124600
},
{
hash: '0xc12a45e8...',
type: 'Quality Verification',
status: 'Confirmed',
timestamp: '10:28:07',
gas: 75300
},
{
hash: '0x9f81d73b...',
type: 'Operator Authorization',
status: 'Confirmed',
timestamp: '10:25:55',
gas: 85700
}
]);
const [contracts, setContracts] = useState<{
name: string;
address: string;
type: string;
events: number;
lastBlock: number;
}[]>([
{
name: 'MachineIdentity',
address: '0x7F9abc...',
type: 'ERC-721',
events: 346,
lastBlock: 18451267
},
{
name: 'ProductionBatch',
address: '0x3E8def...',
type: 'ERC-721',
events: 892,
lastBlock: 18451265
},
{
name: 'OperatorRegistry',
address: '0x2C5fgh...',
type: 'Custom',
events: 127,
lastBlock: 18451260
},
{
name: 'QualityControl',
address: '0xA71ijk...',
type: 'Custom',
events: 518,
lastBlock: 18451254
}
]);
// Simulate new transactions coming in
useEffect(() => {
if (loading) return;
const newTxTypes = [
'Machine NFT Minting',
'Batch Transfer',
'Quality Verification',
'Operator Authorization',
'Maintenance Record',
'Parameter Update'
];
const interval = setInterval(() => {
// 30% chance of adding a new transaction
if (Math.random() < 0.3) {
const randomType = newTxTypes[Math.floor(Math.random() * newTxTypes.length)];
const randomHash = '0x' + Math.random().toString(16).substr(2, 8) + '...';
const isPending = Math.random() < 0.2;
setTransactions(prev => [
{
hash: randomHash,
type: randomType,
status: isPending ? 'Pending' : 'Confirmed',
timestamp: new Date().toLocaleTimeString([], { hour: '2-digit', minute: '2-digit', second: '2-digit' }),
gas: Math.floor(Math.random() * 100000) + 50000
},
...prev.slice(0, 3) // Keep only the 4 most recent transactions
]);
// Update contract event count
if (!isPending) {
setContracts(prev => prev.map((contract, idx) => {
if (idx === Math.floor(Math.random() * contracts.length)) {
return {
...contract,
events: contract.events + 1,
lastBlock: contract.lastBlock + (Math.random() < 0.5 ? 1 : 0)
};
}
return contract;
}));
}
}
}, 3000);
return () => clearInterval(interval);
}, [loading, contracts]);
return (
<div className="space-y-6">
<div className="grid grid-cols-1 lg:grid-cols-2 gap-6">
<Card>
<CardHeader>
<CardTitle className="flex items-center">
<FileText className="h-5 w-5 mr-2" />
Smart Contracts
</CardTitle>
<CardDescription>
Active blockchain contracts for identity & traceability
</CardDescription>
</CardHeader>
<CardContent>
{loading ? (
<div className="space-y-4">
{Array(4).fill(0).map((_, idx) => (
<div key={idx} className="animate-pulse space-y-2 border-b dark:border-factory-blue-light pb-3 last:border-0 last:pb-0">
<div className="h-5 bg-gray-200 dark:bg-factory-blue-light rounded w-40"></div>
<div className="h-4 bg-gray-200 dark:bg-factory-blue-light rounded w-full"></div>
<div className="h-4 bg-gray-200 dark:bg-factory-blue-light rounded w-24"></div>
</div>
))}
</div>
) : (
<div className="divide-y dark:divide-factory-blue-light">
{contracts.map((contract) => (
<div key={contract.address} className="py-2 first:pt-0 last:pb-0">
<div className="flex justify-between items-center mb-1">
<div className="font-medium">{contract.name}</div>
<Badge variant="outline">{contract.type}</Badge>
</div>
<div className="text-sm text-gray-500 dark:text-gray-400 mb-1">
Address: {contract.address}
</div>
<div className="flex items-center text-xs text-gray-500 dark:text-gray-400">
<div className="flex items-center mr-4">
<Activity className="h-3.5 w-3.5 mr-1" />
<span>{contract.events} events</span>
</div>
<div className="flex items-center">
<Link className="h-3.5 w-3.5 mr-1" />
<span>Block #{contract.lastBlock}</span>
</div>
</div>
</div>
))}
</div>
)}
</CardContent>
</Card>
<Card>
<CardHeader>
<CardTitle className="flex items-center">
<Activity className="h-5 w-5 mr-2" />
Blockchain Transactions
</CardTitle>
<CardDescription>
Recent identity & traceability transactions
</CardDescription>
</CardHeader>
<CardContent>
{loading ? (
<div className="space-y-4">
{Array(4).fill(0).map((_, idx) => (
<div key={idx} className="animate-pulse space-y-2 border-b dark:border-factory-blue-light pb-3 last:border-0 last:pb-0">
<div className="h-5 bg-gray-200 dark:bg-factory-blue-light rounded w-40"></div>
<div className="h-4 bg-gray-200 dark:bg-factory-blue-light rounded w-full"></div>
</div>
))}
</div>
) : (
<div className="space-y-3">
{transactions.map((tx) => (
<div key={tx.hash} className="border-b dark:border-factory-blue-light pb-3 last:border-0 last:pb-0">
<div className="flex justify-between items-center mb-1">
<div className="font-medium">{tx.type}</div>
<Badge className={tx.status === 'Confirmed' ?
'bg-green-100 text-green-800 dark:bg-green-900/20 dark:text-green-300' :
'bg-yellow-100 text-yellow-800 dark:bg-yellow-900/20 dark:text-yellow-300'}>
{tx.status}
</Badge>
</div>
<div className="flex justify-between text-sm">
<span className="text-gray-500 dark:text-gray-400">{tx.hash}</span>
<span>{tx.timestamp}</span>
</div>
<div className="mt-1 text-xs text-gray-500 dark:text-gray-400">
Gas used: {tx.gas.toLocaleString()} wei
</div>
</div>
))}
</div>
)}
</CardContent>
</Card>
</div>
<Card>
<CardHeader>
<CardTitle className="flex items-center">
<Shield className="h-5 w-5 mr-2" />
Blockchain Gateway Services
</CardTitle>
<CardDescription>
Integration services status and statistics
</CardDescription>
</CardHeader>
<CardContent>
{loading ? (
<div className="animate-pulse space-y-4">
<div className="h-6 bg-gray-200 dark:bg-factory-blue-light rounded w-full"></div>
<div className="grid grid-cols-1 md:grid-cols-3 gap-4">
{Array(3).fill(0).map((_, idx) => (
<div key={idx} className="space-y-2">
<div className="h-5 bg-gray-200 dark:bg-factory-blue-light rounded w-40"></div>
<div className="h-4 bg-gray-200 dark:bg-factory-blue-light rounded w-full"></div>
</div>
))}
</div>
</div>
) : (
<>
<div className="mb-6">
<div className="flex justify-between text-sm mb-1">
<span>Node.js Blockchain Gateway</span>
<span className="text-green-600 dark:text-green-400">Active</span>
</div>
<div className="grid grid-cols-1 md:grid-cols-3 gap-4">
<div>
<div className="text-xs text-gray-500 dark:text-gray-400 mb-1">Memory Usage</div>
<div className="w-full">
<div className="flex justify-between text-xs mb-1">
<span>384 MB / 1024 MB</span>
<span>38%</span>
</div>
<Progress value={38} className="h-2" />
</div>
</div>
<div>
<div className="text-xs text-gray-500 dark:text-gray-400 mb-1">CPU Usage</div>
<div className="w-full">
<div className="flex justify-between text-xs mb-1">
<span>2 cores</span>
<span>27%</span>
</div>
<Progress value={27} className="h-2" />
</div>
</div>
<div>
<div className="text-xs text-gray-500 dark:text-gray-400 mb-1">Event Queue</div>
<div className="w-full">
<div className="flex justify-between text-xs mb-1">
<span>12 events</span>
<span>6%</span>
</div>
<Progress value={6} className="h-2" />
</div>
</div>
</div>
</div>
<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4">
<div className="p-3 bg-gray-50 dark:bg-factory-blue-light rounded-md">
<div className="text-sm font-medium mb-1">HSM Integration</div>
<div className="text-xl font-semibold">Secure</div>
<div className="text-xs text-gray-500 dark:text-gray-400">Private key operations</div>
</div>
<div className="p-3 bg-gray-50 dark:bg-factory-blue-light rounded-md">
<div className="text-sm font-medium mb-1">Solidity Contracts</div>
<div className="text-xl font-semibold">4 Active</div>
<div className="text-xs text-gray-500 dark:text-gray-400">Deployed & verified</div>
</div>
<div className="p-3 bg-gray-50 dark:bg-factory-blue-light rounded-md">
<div className="text-sm font-medium mb-1">Event Handlers</div>
<div className="text-xl font-semibold">8 Listeners</div>
<div className="text-xs text-gray-500 dark:text-gray-400">Processing blockchain events</div>
</div>
<div className="p-3 bg-gray-50 dark:bg-factory-blue-light rounded-md">
<div className="text-sm font-medium mb-1">Smart Rules</div>
<div className="text-xl font-semibold">12 Active</div>
<div className="text-xs text-gray-500 dark:text-gray-400">Quality & maintenance rules</div>
</div>
</div>
</>
)}
</CardContent>
</Card>
</div>
);
};
export default BlockchainMonitor;
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