Add algo / usdc transfers
This commit is contained in:
SaraJane
@ -28,6 +28,13 @@ type CreatedAsset = {
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const STORAGE_KEY = 'tokenize_assets'
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const LORA_BASE = 'https://lora.algokit.io/testnet'
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// Circle USDC on Algorand TestNet (ASA)
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const TESTNET_USDC_ASSET_ID = 10458941
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const USDC_DECIMALS = 6
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const ALGO_DECIMALS = 6
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type TransferMode = 'manual' | 'algo' | 'usdc'
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function resolveBackendBase(): string {
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// 1) Respect explicit env (Vercel or custom)
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const env = import.meta.env.VITE_API_URL?.trim()
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@ -68,6 +75,32 @@ function persistAsset(asset: CreatedAsset): CreatedAsset[] {
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return next
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}
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/**
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* Convert a decimal string (e.g. "1.23") into base units bigint given decimals.
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* - Supports up to `decimals` fractional digits.
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* - Rejects negatives and invalid formats.
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*/
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function decimalToBaseUnits(value: string, decimals: number): bigint {
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const v = value.trim()
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if (!v) throw new Error('Amount is required')
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// Allow: "1", "1.", "1.0", ".5" ? We'll keep it simple: must start with digit.
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// (Users can type 0.5)
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if (!/^\d+(\.\d+)?$/.test(v)) throw new Error('Invalid amount format')
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const [wholeRaw, fracRaw = ''] = v.split('.')
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const whole = wholeRaw || '0'
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const frac = fracRaw || ''
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if (frac.length > decimals) {
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throw new Error(`Too many decimal places (max ${decimals})`)
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}
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const fracPadded = frac.padEnd(decimals, '0')
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const combined = `${whole}${fracPadded}`.replace(/^0+(?=\d)/, '') // keep at least one digit
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return BigInt(combined || '0')
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}
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/**
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* TokenizeAsset Component
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* Main form for creating Algorand Standard Assets (ASAs)
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@ -92,6 +125,7 @@ export default function TokenizeAsset() {
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const [createdAssets, setCreatedAssets] = useState<CreatedAsset[]>([])
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// ===== Transfer state =====
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const [transferMode, setTransferMode] = useState<TransferMode>('manual')
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const [transferAssetId, setTransferAssetId] = useState<string>('')
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const [receiverAddress, setReceiverAddress] = useState<string>('')
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const [transferAmount, setTransferAmount] = useState<string>('1')
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@ -138,12 +172,32 @@ export default function TokenizeAsset() {
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if (activeAddress && !nftManager) setNftManager(activeAddress)
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}, [activeAddress, nftManager])
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// Prefill transfer asset id from latest created asset (QoL)
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// Prefill transfer asset id from latest created asset (QoL) — only in manual mode
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useEffect(() => {
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if (transferMode !== 'manual') return
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if (!transferAssetId && createdAssets.length > 0) {
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setTransferAssetId(String(createdAssets[0].assetId))
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}
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}, [createdAssets, transferAssetId])
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}, [createdAssets, transferAssetId, transferMode])
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// When switching transfer mode, set the asset id display/value accordingly
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useEffect(() => {
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if (transferMode === 'algo') {
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setTransferAssetId('ALGO')
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} else if (transferMode === 'usdc') {
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setTransferAssetId(String(TESTNET_USDC_ASSET_ID))
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} else {
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// manual: keep whatever the user had, but if it was ALGO then clear
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if (transferAssetId === 'ALGO' || transferAssetId === String(TESTNET_USDC_ASSET_ID)) {
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setTransferAssetId('')
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}
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// If we have history, prefill from latest
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if (!transferAssetId && createdAssets.length > 0) {
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setTransferAssetId(String(createdAssets[0].assetId))
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}
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}
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// eslint-disable-next-line react-hooks/exhaustive-deps
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}, [transferMode])
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const resetDefaults = () => {
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setAssetName('Tokenized Coffee Membership')
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@ -182,6 +236,7 @@ export default function TokenizeAsset() {
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try {
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await navigator.clipboard.writeText(text)
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enqueueSnackbar('Asset ID copied to clipboard', { variant: 'success' })
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setTransferMode('manual')
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setTransferAssetId(text)
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} catch {
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enqueueSnackbar('Copy failed. Please copy manually.', { variant: 'warning' })
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@ -282,7 +337,7 @@ export default function TokenizeAsset() {
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}
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/**
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* Transfer ASA (works for NFTs too, since NFTs are ASAs)
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* Transfer (Manual ASA / USDC ASA / ALGO payment)
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*/
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const handleTransferAsset = async () => {
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if (!transactionSigner || !activeAddress) {
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@ -290,23 +345,98 @@ export default function TokenizeAsset() {
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return
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}
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if (!transferAssetId || !isWholeNumber(transferAssetId)) {
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enqueueSnackbar('Please enter a valid Asset ID (number).', { variant: 'warning' })
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return
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}
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if (!receiverAddress) {
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enqueueSnackbar('Please enter a recipient address.', { variant: 'warning' })
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return
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}
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if (!transferAmount || !isWholeNumber(transferAmount)) {
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enqueueSnackbar('Amount must be a whole number.', { variant: 'warning' })
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if (!transferAmount || Number(transferAmount) <= 0) {
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enqueueSnackbar('Please enter an amount greater than 0.', { variant: 'warning' })
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return
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}
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// Manual ASA validates Asset ID + whole-number amount
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if (transferMode === 'manual') {
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if (!transferAssetId || !isWholeNumber(transferAssetId)) {
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enqueueSnackbar('Please enter a valid Asset ID (number).', { variant: 'warning' })
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return
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}
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if (!isWholeNumber(transferAmount)) {
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enqueueSnackbar('Amount must be a whole number for manual ASA transfers.', { variant: 'warning' })
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return
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}
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}
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// USDC + ALGO allow decimals up to 6
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if (transferMode === 'algo' || transferMode === 'usdc') {
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if (!/^\d+(\.\d+)?$/.test(transferAmount.trim())) {
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enqueueSnackbar('Amount must be a valid number (decimals allowed).', { variant: 'warning' })
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return
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}
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}
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try {
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setTransferLoading(true)
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if (transferMode === 'algo') {
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enqueueSnackbar('Sending ALGO...', { variant: 'info' })
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const microAlgos = decimalToBaseUnits(transferAmount, ALGO_DECIMALS)
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const result = await algorand.send.payment({
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sender: activeAddress,
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signer: transactionSigner,
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receiver: receiverAddress,
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amount: { microAlgo: Number(microAlgos) },
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})
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const txId = (result as { txId?: string }).txId
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enqueueSnackbar('✅ ALGO sent!', {
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variant: 'success',
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action: () =>
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txId ? (
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<a
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href={`${LORA_BASE}/transaction/${txId}`}
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target="_blank"
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rel="noopener noreferrer"
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style={{ textDecoration: 'underline', marginLeft: 8 }}
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>
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View Tx on Lora ↗
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</a>
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) : null,
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})
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} else if (transferMode === 'usdc') {
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enqueueSnackbar('Sending USDC...', { variant: 'info' })
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const usdcAmount = decimalToBaseUnits(transferAmount, USDC_DECIMALS)
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const result = await algorand.send.assetTransfer({
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sender: activeAddress,
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signer: transactionSigner,
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assetId: TESTNET_USDC_ASSET_ID,
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receiver: receiverAddress,
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amount: usdcAmount,
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})
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const txId = (result as { txId?: string }).txId
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enqueueSnackbar('✅ USDC transfer complete!', {
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variant: 'success',
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action: () =>
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txId ? (
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<a
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href={`${LORA_BASE}/transaction/${txId}`}
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target="_blank"
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rel="noopener noreferrer"
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style={{ textDecoration: 'underline', marginLeft: 8 }}
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>
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View Tx on Lora ↗
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</a>
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) : null,
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})
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} else {
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// manual ASA
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enqueueSnackbar('Transferring asset...', { variant: 'info' })
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const result = await algorand.send.assetTransfer({
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@ -333,12 +463,17 @@ export default function TokenizeAsset() {
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</a>
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) : null,
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})
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}
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setReceiverAddress('')
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setTransferAmount('1')
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} catch (error) {
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console.error(error)
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enqueueSnackbar('Transfer failed. Make sure the recipient has opted in.', { variant: 'error' })
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if (transferMode === 'algo') {
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enqueueSnackbar('ALGO send failed.', { variant: 'error' })
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} else {
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enqueueSnackbar('Transfer failed. If sending an ASA (incl. USDC), make sure the recipient has opted in.', { variant: 'error' })
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}
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} finally {
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setTransferLoading(false)
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}
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@ -462,7 +597,8 @@ export default function TokenizeAsset() {
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const next = persistAsset(nftEntry)
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setCreatedAssets(next)
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// QoL: prefill transfer section with minted asset id
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// QoL: switch to manual mode + prefill transfer section with minted asset id
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setTransferMode('manual')
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setTransferAssetId(String(assetId))
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enqueueSnackbar(`✅ Success! NFT Asset ID: ${assetId}`, {
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@ -503,6 +639,12 @@ export default function TokenizeAsset() {
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!!activeAddress &&
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!nftLoading
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const transferAmountLabel =
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transferMode === 'algo' ? 'Amount (ALGO)' : transferMode === 'usdc' ? 'Amount (USDC)' : 'Amount'
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const transferAssetIdLabel =
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transferMode === 'algo' ? 'Asset (ALGO)' : transferMode === 'usdc' ? 'Asset (USDC)' : 'Asset ID'
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return (
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<div className="bg-white dark:bg-slate-900 rounded-2xl border border-slate-200 dark:border-slate-700 shadow-lg p-6 sm:p-8">
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{/* Top header */}
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@ -709,11 +851,15 @@ export default function TokenizeAsset() {
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<div className="mb-4">
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<h3 className="text-lg font-bold text-slate-900 dark:text-white">Tokenize an NFT (Mint ASA)</h3>
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<p className="text-sm text-slate-600 dark:text-slate-400 mt-1">
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Upload an image → backend pins to IPFS → mint an ASA with metadata on Algorand TestNet.
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Upload an image → backend pins to IPFS → mint an ASA with metadata.
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</p>
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</div>
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<div className={`rounded-2xl border border-slate-200 dark:border-slate-700 bg-white dark:bg-slate-900 shadow-sm p-5 sm:p-6 ${nftLoading ? 'pointer-events-none opacity-70' : ''}`}>
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<div
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className={`rounded-2xl border border-slate-200 dark:border-slate-700 bg-white dark:bg-slate-900 shadow-sm p-5 sm:p-6 ${
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nftLoading ? 'pointer-events-none opacity-70' : ''
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}`}
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>
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{/* NFT fields */}
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<div className="grid grid-cols-1 md:grid-cols-2 gap-5">
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<div>
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@ -897,7 +1043,9 @@ export default function TokenizeAsset() {
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onClick={handleMintNFT}
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disabled={!canMintNft}
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className={`px-6 py-3 rounded-lg font-semibold transition ${
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canMintNft ? 'bg-teal-600 hover:bg-teal-700 text-white shadow-md' : 'bg-slate-300 text-slate-500 cursor-not-allowed dark:bg-slate-700 dark:text-slate-400'
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canMintNft
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? 'bg-teal-600 hover:bg-teal-700 text-white shadow-md'
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: 'bg-slate-300 text-slate-500 cursor-not-allowed dark:bg-slate-700 dark:text-slate-400'
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}`}
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>
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{nftLoading ? (
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@ -994,21 +1142,66 @@ export default function TokenizeAsset() {
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</p>
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</div>
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{/* ===== TRANSFER ASSET ===== */}
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{/* ===== TRANSFER ===== */}
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<div className="mt-12 bg-white dark:bg-slate-900 rounded-2xl border border-slate-200 dark:border-slate-700 shadow-lg p-6 sm:p-8">
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<h3 className="text-lg font-bold text-slate-900 dark:text-white mb-2">Transfer Asset</h3>
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<p className="text-sm text-slate-600 dark:text-slate-400 mb-6">Send units of an Algorand Standard Asset (ASA) to another wallet.</p>
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<h3 className="text-lg font-bold text-slate-900 dark:text-white mb-2">Transfer</h3>
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<p className="text-sm text-slate-600 dark:text-slate-400 mb-6">Send ALGO, USDC, or any ASA (including NFTs) to another wallet.</p>
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{/* Mode selector */}
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<div className="mb-5">
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<label className="block text-sm font-semibold text-slate-700 dark:text-slate-300 mb-2">Transfer type</label>
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<div className="flex flex-col sm:flex-row gap-3">
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<label className="flex items-center gap-2 text-sm text-slate-700 dark:text-slate-300">
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<input
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type="radio"
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name="transferMode"
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checked={transferMode === 'manual'}
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onChange={() => setTransferMode('manual')}
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className="h-4 w-4"
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/>
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Manual (custom ASA)
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</label>
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<label className="flex items-center gap-2 text-sm text-slate-700 dark:text-slate-300">
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<input
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type="radio"
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name="transferMode"
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checked={transferMode === 'algo'}
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onChange={() => setTransferMode('algo')}
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className="h-4 w-4"
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/>
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ALGO
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</label>
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<label className="flex items-center gap-2 text-sm text-slate-700 dark:text-slate-300">
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<input
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type="radio"
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name="transferMode"
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checked={transferMode === 'usdc'}
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onChange={() => setTransferMode('usdc')}
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className="h-4 w-4"
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/>
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USDC (TestNet)
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</label>
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</div>
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</div>
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<div className="grid grid-cols-1 md:grid-cols-3 gap-4">
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<div>
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<label className="block text-sm font-semibold text-slate-700 dark:text-slate-300 mb-2">Asset ID</label>
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<label className="block text-sm font-semibold text-slate-700 dark:text-slate-300 mb-2">{transferAssetIdLabel}</label>
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<input
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type="text"
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className="w-full rounded-lg bg-white dark:bg-slate-800 text-slate-900 dark:text-white placeholder:text-slate-400 dark:placeholder:text-slate-500 border border-slate-300 dark:border-slate-600 focus:outline-none focus:border-teal-500 focus:ring-2 focus:ring-teal-200 dark:focus:ring-teal-900/30 px-4 py-2 transition"
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placeholder="e.g. 123456789"
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value={transferAssetId}
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onChange={(e) => setTransferAssetId(e.target.value)}
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disabled={transferMode === 'algo' || transferMode === 'usdc'}
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/>
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{transferMode === 'usdc' && (
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<p className="mt-1 text-[11px] text-slate-500 dark:text-slate-400">
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USDC TestNet Asset ID: <span className="font-mono">{TESTNET_USDC_ASSET_ID}</span>
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</p>
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)}
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</div>
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<div>
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@ -1023,14 +1216,21 @@ export default function TokenizeAsset() {
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</div>
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<div>
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<label className="block text-sm font-semibold text-slate-700 dark:text-slate-300 mb-2">Amount</label>
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<label className="block text-sm font-semibold text-slate-700 dark:text-slate-300 mb-2">{transferAmountLabel}</label>
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<input
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type="number"
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min={1}
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type="text"
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inputMode="decimal"
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className="w-full rounded-lg bg-white dark:bg-slate-800 text-slate-900 dark:text-white placeholder:text-slate-400 dark:placeholder:text-slate-500 border border-slate-300 dark:border-slate-600 focus:outline-none focus:border-teal-500 focus:ring-2 focus:ring-teal-200 dark:focus:ring-teal-900/30 px-4 py-2 transition"
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value={transferAmount}
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onChange={(e) => setTransferAmount(e.target.value)}
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placeholder={transferMode === 'manual' ? 'e.g. 1' : 'e.g. 1.5'}
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/>
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{transferMode === 'manual' && (
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<p className="mt-1 text-[11px] text-slate-500 dark:text-slate-400">Manual ASA transfers use whole-number amounts.</p>
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)}
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{(transferMode === 'algo' || transferMode === 'usdc') && (
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<p className="mt-1 text-[11px] text-slate-500 dark:text-slate-400">Decimals allowed (up to 6 places).</p>
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)}
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</div>
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</div>
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@ -1045,13 +1245,15 @@ export default function TokenizeAsset() {
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: 'bg-teal-600 hover:bg-teal-700 text-white shadow-md'
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}`}
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>
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{transferLoading ? 'Transferring…' : 'Transfer Asset'}
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{transferLoading ? 'Transferring…' : transferMode === 'algo' ? 'Send ALGO' : transferMode === 'usdc' ? 'Send USDC' : 'Transfer Asset'}
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</button>
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</div>
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<p className="mt-3 text-xs text-slate-500 dark:text-slate-400 flex items-center gap-2">
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<AiOutlineInfoCircle />
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The recipient must opt-in to the asset before receiving it.
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{transferMode === 'algo'
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? 'ALGO payments do not require opt-in.'
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: 'For ASAs (including USDC and NFTs), the recipient must opt-in to the asset before receiving it.'}
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</p>
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</div>
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</div>
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Reference in New Issue
Block a user