feat(referral): Implement new user referral system

This commit is contained in:
2025-11-19 18:46:55 +03:00
parent a7c8d00afe
commit 703e11711e
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import type { ApiPromise } from '@polkadot/api';
import type { InjectedAccountWithMeta } from '@polkadot/extension-inject/types';
/**
* Referral System Integration with pallet_referral
*
* Provides functions to interact with the referral pallet on PezkuwiChain.
*
* Workflow:
* 1. User A calls initiateReferral(userB_address) -> creates pending referral
* 2. User B completes KYC and gets approved
* 3. Pallet automatically confirms referral via OnKycApproved hook
* 4. User A's referral count increases
*/
export interface ReferralInfo {
referrer: string;
createdAt: number;
}
export interface ReferralStats {
referralCount: number;
referralScore: number;
whoInvitedMe: string | null;
pendingReferral: string | null; // Who invited me (if pending)
}
/**
* Initiate a referral for a new user
*
* @param api Polkadot API instance
* @param signer User's Polkadot account with extension
* @param referredAddress Address of the user being referred
* @returns Transaction hash
*/
export async function initiateReferral(
api: ApiPromise,
signer: InjectedAccountWithMeta,
referredAddress: string
): Promise<string> {
return new Promise(async (resolve, reject) => {
try {
const tx = api.tx.referral.initiateReferral(referredAddress);
await tx.signAndSend(
signer.address,
{ signer: signer.signer },
({ status, events, dispatchError }) => {
if (dispatchError) {
if (dispatchError.isModule) {
const decoded = api.registry.findMetaError(dispatchError.asModule);
const error = `${decoded.section}.${decoded.name}: ${decoded.docs.join(' ')}`;
reject(new Error(error));
} else {
reject(new Error(dispatchError.toString()));
}
return;
}
if (status.isInBlock || status.isFinalized) {
const hash = status.asInBlock?.toString() || status.asFinalized?.toString() || '';
resolve(hash);
}
}
);
} catch (error) {
reject(error);
}
});
}
/**
* Get the pending referral for a user (who invited them, if they haven't completed KYC)
*
* @param api Polkadot API instance
* @param address User address
* @returns Referrer address if pending, null otherwise
*/
export async function getPendingReferral(
api: ApiPromise,
address: string
): Promise<string | null> {
try {
const result = await api.query.referral.pendingReferrals(address);
if (result.isEmpty) {
return null;
}
return result.toString();
} catch (error) {
console.error('Error fetching pending referral:', error);
return null;
}
}
/**
* Get the number of successful referrals for a user
*
* @param api Polkadot API instance
* @param address User address
* @returns Number of confirmed referrals
*/
export async function getReferralCount(
api: ApiPromise,
address: string
): Promise<number> {
try {
const count = await api.query.referral.referralCount(address);
return count.toNumber();
} catch (error) {
console.error('Error fetching referral count:', error);
return 0;
}
}
/**
* Get referral info for a user (who referred them, when)
*
* @param api Polkadot API instance
* @param address User address who was referred
* @returns ReferralInfo if exists, null otherwise
*/
export async function getReferralInfo(
api: ApiPromise,
address: string
): Promise<ReferralInfo | null> {
try {
const result = await api.query.referral.referrals(address);
if (result.isEmpty) {
return null;
}
const data = result.toJSON() as any;
return {
referrer: data.referrer,
createdAt: parseInt(data.createdAt),
};
} catch (error) {
console.error('Error fetching referral info:', error);
return null;
}
}
/**
* Calculate referral score based on referral count
*
* This mirrors the logic in pallet_referral::ReferralScoreProvider
* Score calculation:
* - 0 referrals = 0 points
* - 1-10 referrals = count * 10 points (10, 20, 30, ..., 100)
* - 11-50 referrals = 100 + (count - 10) * 5 points (105, 110, ..., 300)
* - 51-100 referrals = 300 + (count - 50) * 4 points (304, 308, ..., 500)
* - 101+ referrals = 500 points (maximum capped)
*
* @param referralCount Number of confirmed referrals
* @returns Referral score
*/
export function calculateReferralScore(referralCount: number): number {
if (referralCount === 0) return 0;
if (referralCount <= 10) return referralCount * 10;
if (referralCount <= 50) return 100 + (referralCount - 10) * 5;
if (referralCount <= 100) return 300 + (referralCount - 50) * 4;
return 500; // Max score
}
/**
* Get comprehensive referral statistics for a user
*
* @param api Polkadot API instance
* @param address User address
* @returns Complete referral stats
*/
export async function getReferralStats(
api: ApiPromise,
address: string
): Promise<ReferralStats> {
try {
const [referralCount, referralInfo, pendingReferral] = await Promise.all([
getReferralCount(api, address),
getReferralInfo(api, address),
getPendingReferral(api, address),
]);
const referralScore = calculateReferralScore(referralCount);
return {
referralCount,
referralScore,
whoInvitedMe: referralInfo?.referrer || null,
pendingReferral,
};
} catch (error) {
console.error('Error fetching referral stats:', error);
return {
referralCount: 0,
referralScore: 0,
whoInvitedMe: null,
pendingReferral: null,
};
}
}
/**
* Get list of all users who were referred by this user
* (Note: requires iterating storage which can be expensive)
*
* @param api Polkadot API instance
* @param referrerAddress Referrer's address
* @returns Array of addresses referred by this user
*/
export async function getMyReferrals(
api: ApiPromise,
referrerAddress: string
): Promise<string[]> {
try {
const entries = await api.query.referral.referrals.entries();
const myReferrals = entries
.filter(([_key, value]) => {
if (value.isEmpty) return false;
const data = value.toJSON() as any;
return data.referrer === referrerAddress;
})
.map(([key]) => {
// Extract the referred address from the storage key
const addressHex = key.args[0].toString();
return addressHex;
});
return myReferrals;
} catch (error) {
console.error('Error fetching my referrals:', error);
return [];
}
}
/**
* Subscribe to referral events for real-time updates
*
* @param api Polkadot API instance
* @param callback Callback function for events
* @returns Unsubscribe function
*/
export async function subscribeToReferralEvents(
api: ApiPromise,
callback: (event: { type: 'initiated' | 'confirmed'; referrer: string; referred: string; count?: number }) => void
): Promise<() => void> {
const unsub = await api.query.system.events((events) => {
events.forEach((record) => {
const { event } = record;
if (event.section === 'referral') {
if (event.method === 'ReferralInitiated') {
const [referrer, referred] = event.data as any;
callback({
type: 'initiated',
referrer: referrer.toString(),
referred: referred.toString(),
});
} else if (event.method === 'ReferralConfirmed') {
const [referrer, referred, newCount] = event.data as any;
callback({
type: 'confirmed',
referrer: referrer.toString(),
referred: referred.toString(),
count: newCount.toNumber(),
});
}
}
});
});
return unsub;
}
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import React, { useState, useMemo } from 'react';
import { Dialog, DialogContent, DialogDescription, DialogHeader, DialogTitle } from '@/components/ui/dialog';
import { Button } from '@/components/ui/button';
import { Input } from '@/components/ui/input';
import { Label } from '@/components/ui/label';
import { usePolkadot } from '@/contexts/PolkadotContext';
import {
Copy,
Check,
Share2,
Mail,
MessageCircle,
Twitter,
Facebook,
Linkedin
} from 'lucide-react';
interface InviteUserModalProps {
isOpen: boolean;
onClose: () => void;
}
export const InviteUserModal: React.FC<InviteUserModalProps> = ({ isOpen, onClose }) => {
const { api, selectedAccount } = usePolkadot();
const [copied, setCopied] = useState(false);
const [inviteeAddress, setInviteeAddress] = useState('');
const [initiating, setInitiating] = useState(false);
const [initiateSuccess, setInitiateSuccess] = useState(false);
const [initiateError, setInitiateError] = useState<string | null>(null);
// Generate referral link with user's address
const referralLink = useMemo(() => {
if (!selectedAccount?.address) return '';
const baseUrl = window.location.origin;
return `${baseUrl}/be-citizen?ref=${selectedAccount.address}`;
}, [selectedAccount?.address]);
// Share text for social media
const shareText = useMemo(() => {
return `Join me on Digital Kurdistan (PezkuwiChain)! 🏛️\n\nBecome a citizen and get your Welati Tiki NFT.\n\nUse my referral link:\n${referralLink}`;
}, [referralLink]);
const handleCopy = async () => {
try {
await navigator.clipboard.writeText(referralLink);
setCopied(true);
setTimeout(() => setCopied(false), 2000);
} catch (error) {
console.error('Failed to copy:', error);
}
};
const handleShare = (platform: string) => {
const encodedText = encodeURIComponent(shareText);
const encodedUrl = encodeURIComponent(referralLink);
const urls: Record<string, string> = {
whatsapp: `https://wa.me/?text=${encodedText}`,
telegram: `https://t.me/share/url?url=${encodedUrl}&text=${encodeURIComponent('Join me on Digital Kurdistan! 🏛️')}`,
twitter: `https://twitter.com/intent/tweet?text=${encodedText}`,
facebook: `https://www.facebook.com/sharer/sharer.php?u=${encodedUrl}`,
linkedin: `https://www.linkedin.com/sharing/share-offsite/?url=${encodedUrl}`,
email: `mailto:?subject=${encodeURIComponent('Join Digital Kurdistan')}&body=${encodedText}`,
};
if (urls[platform]) {
window.open(urls[platform], '_blank', 'width=600,height=400');
}
};
const handleInitiateReferral = async () => {
if (!api || !selectedAccount || !inviteeAddress) {
setInitiateError('Please enter a valid address');
return;
}
setInitiating(true);
setInitiateError(null);
setInitiateSuccess(false);
try {
const { web3FromAddress } = await import('@polkadot/extension-dapp');
const injector = await web3FromAddress(selectedAccount.address);
console.log(`Initiating referral from ${selectedAccount.address} to ${inviteeAddress}...`);
const tx = api.tx.referral.initiateReferral(inviteeAddress);
await tx.signAndSend(selectedAccount.address, { signer: injector.signer }, ({ status, dispatchError }) => {
if (dispatchError) {
let errorMessage = 'Transaction failed';
if (dispatchError.isModule) {
const decoded = api.registry.findMetaError(dispatchError.asModule);
errorMessage = `${decoded.section}.${decoded.name}: ${decoded.docs.join(' ')}`;
} else {
errorMessage = dispatchError.toString();
}
console.error(errorMessage);
setInitiateError(errorMessage);
setInitiating(false);
return;
}
if (status.isInBlock || status.isFinalized) {
console.log('Referral initiated successfully!');
setInitiateSuccess(true);
setInitiating(false);
setInviteeAddress('');
}
});
} catch (err: any) {
console.error('Failed to initiate referral:', err);
setInitiateError(err.message || 'Failed to initiate referral');
setInitiating(false);
}
};
return (
<Dialog open={isOpen} onOpenChange={onClose}>
<DialogContent className="sm:max-w-lg bg-gray-900 border-gray-800">
<DialogHeader>
<DialogTitle className="text-white flex items-center gap-2">
<Share2 className="w-5 h-5 text-green-500" />
Invite Friends to PezkuwiChain
</DialogTitle>
<DialogDescription className="text-gray-400">
Share your referral link. When your friends complete KYC, you'll earn trust score points!
</DialogDescription>
</DialogHeader>
<div className="space-y-6 mt-4">
{/* Referral Link Display */}
<div className="space-y-2">
<Label className="text-gray-300">Your Referral Link</Label>
<div className="flex gap-2">
<Input
type="text"
value={referralLink}
readOnly
className="bg-gray-800 border-gray-700 text-white font-mono text-sm"
/>
<Button
onClick={handleCopy}
variant="outline"
className="border-gray-700 text-gray-300 hover:bg-gray-800 shrink-0"
>
{copied ? (
<>
<Check className="h-4 w-4 text-green-500" />
</>
) : (
<>
<Copy className="h-4 w-4" />
</>
)}
</Button>
</div>
<p className="text-xs text-gray-500">
Anyone who signs up with this link will be counted as your referral
</p>
</div>
{/* Manual Referral Initiation */}
<div className="space-y-2 bg-blue-900/20 border border-blue-600/30 rounded-lg p-4">
<Label className="text-blue-300">Or Pre-Register a Friend (Advanced)</Label>
<p className="text-xs text-gray-400 mb-2">
If you know your friend's wallet address, you can pre-register them on-chain.
They must then complete KYC to finalize the referral.
</p>
<div className="flex gap-2">
<Input
type="text"
value={inviteeAddress}
onChange={(e) => setInviteeAddress(e.target.value)}
placeholder="Friend's wallet address"
className="bg-gray-800 border-gray-700 text-white font-mono text-sm placeholder:text-gray-500 placeholder:opacity-50"
/>
<Button
onClick={handleInitiateReferral}
disabled={initiating || !inviteeAddress}
className="bg-blue-600 hover:bg-blue-700 shrink-0"
>
{initiating ? 'Initiating...' : 'Initiate'}
</Button>
</div>
{initiateSuccess && (
<p className="text-xs text-green-400">Referral initiated successfully!</p>
)}
{initiateError && (
<p className="text-xs text-red-400">{initiateError}</p>
)}
</div>
{/* Share Options */}
<div className="space-y-3">
<Label className="text-gray-300">Share via</Label>
<div className="grid grid-cols-2 gap-3">
{/* WhatsApp */}
<Button
onClick={() => handleShare('whatsapp')}
variant="outline"
className="border-gray-700 text-gray-300 hover:bg-gray-800 hover:text-green-400"
>
<MessageCircle className="mr-2 h-4 w-4" />
WhatsApp
</Button>
{/* Telegram */}
<Button
onClick={() => handleShare('telegram')}
variant="outline"
className="border-gray-700 text-gray-300 hover:bg-gray-800 hover:text-blue-400"
>
<MessageCircle className="mr-2 h-4 w-4" />
Telegram
</Button>
{/* Twitter */}
<Button
onClick={() => handleShare('twitter')}
variant="outline"
className="border-gray-700 text-gray-300 hover:bg-gray-800 hover:text-blue-400"
>
<Twitter className="mr-2 h-4 w-4" />
Twitter
</Button>
{/* Facebook */}
<Button
onClick={() => handleShare('facebook')}
variant="outline"
className="border-gray-700 text-gray-300 hover:bg-gray-800 hover:text-blue-600"
>
<Facebook className="mr-2 h-4 w-4" />
Facebook
</Button>
{/* LinkedIn */}
<Button
onClick={() => handleShare('linkedin')}
variant="outline"
className="border-gray-700 text-gray-300 hover:bg-gray-800 hover:text-blue-500"
>
<Linkedin className="mr-2 h-4 w-4" />
LinkedIn
</Button>
{/* Email */}
<Button
onClick={() => handleShare('email')}
variant="outline"
className="border-gray-700 text-gray-300 hover:bg-gray-800 hover:text-yellow-500"
>
<Mail className="mr-2 h-4 w-4" />
Email
</Button>
</div>
</div>
{/* Rewards Info */}
<div className="bg-green-900/20 border border-green-600/30 rounded-lg p-4">
<h4 className="text-green-400 font-semibold mb-2 text-sm">Referral Rewards</h4>
<ul className="text-xs text-gray-300 space-y-1">
<li> 1-10 referrals: 10 points each (up to 100 points)</li>
<li> 11-50 referrals: 5 points each (up to 300 points)</li>
<li> 51-100 referrals: 4 points each (up to 500 points)</li>
<li> Maximum: 500 trust score points</li>
</ul>
</div>
{/* Close Button */}
<div className="flex justify-end">
<Button
onClick={onClose}
className="bg-gray-800 hover:bg-gray-700 text-white"
>
Done
</Button>
</div>
</div>
</DialogContent>
</Dialog>
);
};
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import React, { useState } from 'react';
import { useReferral } from '@/contexts/ReferralContext';
import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card';
import { Button } from '@/components/ui/button';
import { InviteUserModal } from './InviteUserModal';
import { Users, UserPlus, Trophy, Award, Loader2 } from 'lucide-react';
import { useTranslation } from 'react-i18next';
export const ReferralDashboard: React.FC = () => {
const { t } = useTranslation();
const { stats, myReferrals, loading } = useReferral();
const [showInviteModal, setShowInviteModal] = useState(false);
if (loading) {
return (
<div className="flex items-center justify-center py-12">
<Loader2 className="w-8 h-8 animate-spin text-green-500" />
</div>
);
}
return (
<div className="space-y-6">
{/* Header */}
<div className="flex items-center justify-between">
<div>
<h2 className="text-2xl font-bold text-white flex items-center gap-2">
<Users className="w-6 h-6 text-green-500" />
Referral System
</h2>
<p className="text-gray-400 mt-1">
Invite friends to PezkuwiChain and earn trust score
</p>
</div>
<Button
onClick={() => setShowInviteModal(true)}
className="bg-green-600 hover:bg-green-700 text-white"
>
<UserPlus className="mr-2 h-4 w-4" />
Invite Friend
</Button>
</div>
{/* Stats Grid */}
<div className="grid grid-cols-1 md:grid-cols-3 gap-6">
{/* Referral Count */}
<Card className="bg-gray-900 border-gray-800">
<CardHeader className="pb-3">
<CardTitle className="text-lg font-semibold text-white flex items-center gap-2">
<Users className="w-5 h-5 text-green-500" />
Total Referrals
</CardTitle>
<CardDescription className="text-gray-400">
Confirmed referrals (KYC completed)
</CardDescription>
</CardHeader>
<CardContent>
<div className="text-4xl font-bold text-green-500">
{stats?.referralCount ?? 0}
</div>
</CardContent>
</Card>
{/* Trust Score */}
<Card className="bg-gray-900 border-gray-800">
<CardHeader className="pb-3">
<CardTitle className="text-lg font-semibold text-white flex items-center gap-2">
<Trophy className="w-5 h-5 text-yellow-500" />
Trust Score
</CardTitle>
<CardDescription className="text-gray-400">
Reputation score from referrals
</CardDescription>
</CardHeader>
<CardContent>
<div className="text-4xl font-bold text-yellow-500">
{stats?.referralScore ?? 0}
</div>
<div className="mt-2 text-xs text-gray-500">
Max: 500 points
</div>
</CardContent>
</Card>
{/* Who Invited Me */}
<Card className="bg-gray-900 border-gray-800">
<CardHeader className="pb-3">
<CardTitle className="text-lg font-semibold text-white flex items-center gap-2">
<Award className="w-5 h-5 text-blue-500" />
Invited By
</CardTitle>
<CardDescription className="text-gray-400">
Your referrer
</CardDescription>
</CardHeader>
<CardContent>
{stats?.whoInvitedMe ? (
<div className="text-sm font-mono text-blue-400 break-all">
{stats.whoInvitedMe.slice(0, 8)}...{stats.whoInvitedMe.slice(-6)}
</div>
) : (
<div className="text-gray-500 text-sm">
No referrer
</div>
)}
</CardContent>
</Card>
</div>
{/* Score Breakdown */}
<Card className="bg-gray-900 border-gray-800">
<CardHeader>
<CardTitle className="text-white">Score Calculation</CardTitle>
<CardDescription className="text-gray-400">
How referrals contribute to your trust score
</CardDescription>
</CardHeader>
<CardContent>
<div className="space-y-3">
<div className="flex items-center justify-between p-3 bg-gray-800/50 rounded-lg">
<span className="text-gray-300">1-10 referrals</span>
<span className="text-green-400 font-semibold">10 points each</span>
</div>
<div className="flex items-center justify-between p-3 bg-gray-800/50 rounded-lg">
<span className="text-gray-300">11-50 referrals</span>
<span className="text-blue-400 font-semibold">100 + 5 points each</span>
</div>
<div className="flex items-center justify-between p-3 bg-gray-800/50 rounded-lg">
<span className="text-gray-300">51-100 referrals</span>
<span className="text-yellow-400 font-semibold">300 + 4 points each</span>
</div>
<div className="flex items-center justify-between p-3 bg-gray-800/50 rounded-lg">
<span className="text-gray-300">101+ referrals</span>
<span className="text-red-400 font-semibold">500 points (max)</span>
</div>
</div>
</CardContent>
</Card>
{/* My Referrals List */}
<Card className="bg-gray-900 border-gray-800">
<CardHeader>
<CardTitle className="text-white flex items-center gap-2">
<Users className="w-5 h-5 text-green-500" />
My Referrals ({myReferrals.length})
</CardTitle>
<CardDescription className="text-gray-400">
Users you have successfully referred
</CardDescription>
</CardHeader>
<CardContent>
{myReferrals.length === 0 ? (
<div className="text-center py-8">
<Users className="w-12 h-12 text-gray-600 mx-auto mb-3" />
<p className="text-gray-500">No referrals yet</p>
<p className="text-gray-600 text-sm mt-1">
Invite friends to start building your network
</p>
<Button
onClick={() => setShowInviteModal(true)}
className="mt-4 bg-green-600 hover:bg-green-700"
>
<UserPlus className="mr-2 h-4 w-4" />
Send First Invitation
</Button>
</div>
) : (
<div className="space-y-2">
{myReferrals.map((address, index) => (
<div
key={address}
className="flex items-center justify-between p-3 bg-gray-800/50 rounded-lg hover:bg-gray-800 transition-colors"
>
<div className="flex items-center gap-3">
<div className="w-8 h-8 rounded-full bg-green-600/20 flex items-center justify-center">
<span className="text-green-400 font-semibold text-sm">
{index + 1}
</span>
</div>
<div>
<div className="text-sm font-mono text-white">
{address.slice(0, 10)}...{address.slice(-8)}
</div>
<div className="text-xs text-gray-500">
KYC Completed
</div>
</div>
</div>
<div className="text-green-400 text-sm font-semibold">
+{index < 10 ? 10 : index < 50 ? 5 : index < 100 ? 4 : 0} points
</div>
</div>
))}
</div>
)}
</CardContent>
</Card>
{/* Pending Referral Notification */}
{stats?.pendingReferral && (
<Card className="bg-blue-900/20 border-blue-600/30">
<CardContent className="pt-6">
<div className="flex items-center gap-3">
<div className="w-10 h-10 rounded-full bg-blue-600/30 flex items-center justify-center">
<Award className="w-5 h-5 text-blue-400" />
</div>
<div className="flex-1">
<div className="text-white font-semibold">Pending Invitation</div>
<div className="text-sm text-blue-300">
Complete KYC to confirm your referral from{' '}
<span className="font-mono">
{stats.pendingReferral.slice(0, 8)}...{stats.pendingReferral.slice(-6)}
</span>
</div>
</div>
</div>
</CardContent>
</Card>
)}
{/* Invite Modal */}
<InviteUserModal
isOpen={showInviteModal}
onClose={() => setShowInviteModal(false)}
/>
</div>
);
};
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import { createContext, useContext, useState, useEffect, ReactNode, useCallback } from 'react';
import { usePolkadot } from '@/contexts/PolkadotContext';
import { useWallet } from '@/contexts/WalletContext';
import { useToast } from '@/hooks/use-toast';
import {
getReferralStats,
getMyReferrals,
initiateReferral,
subscribeToReferralEvents,
type ReferralStats,
} from '@pezkuwi/lib/referral';
interface ReferralContextValue {
stats: ReferralStats | null;
myReferrals: string[];
loading: boolean;
inviteUser: (referredAddress: string) => Promise<boolean>;
refreshStats: () => Promise<void>;
}
const ReferralContext = createContext<ReferralContextValue | undefined>(undefined);
export function ReferralProvider({ children }: { children: ReactNode }) {
const { api, isApiReady } = usePolkadot();
const { account } = useWallet();
const { toast } = useToast();
const [stats, setStats] = useState<ReferralStats | null>(null);
const [myReferrals, setMyReferrals] = useState<string[]>([]);
const [loading, setLoading] = useState(true);
// Fetch referral statistics
const fetchStats = useCallback(async () => {
if (!api || !isApiReady || !account) {
setStats(null);
setMyReferrals([]);
setLoading(false);
return;
}
try {
setLoading(true);
const [fetchedStats, fetchedReferrals] = await Promise.all([
getReferralStats(api, account),
getMyReferrals(api, account),
]);
setStats(fetchedStats);
setMyReferrals(fetchedReferrals);
} catch (error) {
console.error('Error fetching referral stats:', error);
toast({
title: 'Error',
description: 'Failed to load referral statistics',
variant: 'destructive',
});
} finally {
setLoading(false);
}
}, [api, isApiReady, account, toast]);
// Initial fetch
useEffect(() => {
fetchStats();
}, [fetchStats]);
// Subscribe to referral events for real-time updates
useEffect(() => {
if (!api || !isApiReady || !account) return;
let unsub: (() => void) | undefined;
subscribeToReferralEvents(api, (event) => {
// If this user is involved in the event, refresh stats
if (event.referrer === account || event.referred === account) {
if (event.type === 'initiated') {
toast({
title: 'Referral Sent',
description: `Invitation sent to ${event.referred.slice(0, 8)}...`,
});
} else if (event.type === 'confirmed') {
toast({
title: 'Referral Confirmed!',
description: `Your referral completed KYC. Total: ${event.count}`,
variant: 'default',
});
}
fetchStats();
}
}).then((unsubFn) => {
unsub = unsubFn;
});
return () => {
if (unsub) unsub();
};
}, [api, isApiReady, account, toast, fetchStats]);
// Invite a new user
const inviteUser = async (referredAddress: string): Promise<boolean> => {
if (!api || !account) {
toast({
title: 'Error',
description: 'Wallet not connected',
variant: 'destructive',
});
return false;
}
try {
// Validate address format
if (!referredAddress || referredAddress.length < 47) {
toast({
title: 'Invalid Address',
description: 'Please enter a valid Polkadot address',
variant: 'destructive',
});
return false;
}
toast({
title: 'Sending Invitation',
description: 'Please sign the transaction...',
});
await initiateReferral(api, { address: account, meta: { source: 'polkadot-js' } } as any, referredAddress);
toast({
title: 'Success!',
description: 'Referral invitation sent successfully',
});
// Refresh stats after successful invitation
await fetchStats();
return true;
} catch (error: any) {
console.error('Error inviting user:', error);
let errorMessage = 'Failed to send referral invitation';
if (error.message) {
if (error.message.includes('SelfReferral')) {
errorMessage = 'You cannot refer yourself';
} else if (error.message.includes('AlreadyReferred')) {
errorMessage = 'This user has already been referred';
} else {
errorMessage = error.message;
}
}
toast({
title: 'Error',
description: errorMessage,
variant: 'destructive',
});
return false;
}
};
const value: ReferralContextValue = {
stats,
myReferrals,
loading,
inviteUser,
refreshStats: fetchStats,
};
return <ReferralContext.Provider value={value}>{children}</ReferralContext.Provider>;
}
export function useReferral() {
const context = useContext(ReferralContext);
if (context === undefined) {
throw new Error('useReferral must be used within a ReferralProvider');
}
return context;
}