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Merged
sodium16 merged 1 commit into from
Apr 10, 2026
Merged

second proto temp #6

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117 changes: 86 additions & 31 deletions projects/hackalgo-frontend/src/hooks/useAlgoMint.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,22 @@ function defaultState(): PersistedState {
}
}

function uniqueNote(prefix: string) {
// Ensure unique txid even if suggestedParams are identical (same round).
// Algorand txid includes the note field.
const rand = new Uint8Array(8)
if (globalThis.crypto?.getRandomValues) {
globalThis.crypto.getRandomValues(rand)
} else {
const n = Date.now() ^ Math.floor(Math.random() * 1e9)
for (let i = 0; i < rand.length; i++) rand[i] = (n >> (i * 3)) & 0xff
}
const text = `${prefix}_${Date.now()}_${Array.from(rand)
.map((b) => b.toString(16).padStart(2, '0'))
.join('')}`
return new TextEncoder().encode(text)
}

export function useAlgoMint() {
const { transactionSigner, activeAddress } = useWallet()
const [state, setState] = useState<PersistedState>(() => loadState())
Expand All @@ -63,6 +79,9 @@ export function useAlgoMint() {
signerRef.current = transactionSigner ?? null
}, [activeAddress, transactionSigner])

// Prevent concurrent deploy races (refreshTerms/listNfts calling getClient simultaneously)
const getClientPromiseRef = useRef<Promise<AlgomintClient> | null>(null)

const persist = useCallback((next: PersistedState) => {
setState(next)
saveState(next)
Expand All @@ -88,32 +107,41 @@ export function useAlgoMint() {
})
}

// Hackathon convenience: deploy the app from the UI on first use.
const factory = new AlgomintFactory({
algorand,
defaultSender: sender,
defaultSigner: signer,
})

const deployed = await factory.send.create.bare({})
const appId = deployed.appClient.appId.toString()
persist({ appId })
if (getClientPromiseRef.current) return await getClientPromiseRef.current

return deployed.appClient.clone({ defaultSender: sender, defaultSigner: signer })
// Hackathon convenience: deploy the app from the UI on first use.
getClientPromiseRef.current = (async () => {
try {
const factory = new AlgomintFactory({
algorand,
defaultSender: sender,
defaultSigner: signer,
})
const deployed = await factory.send.create.bare({ note: uniqueNote('app_create') })
const appId = deployed.appClient.appId.toString()
persist({ appId })
return deployed.appClient.clone({ defaultSender: sender, defaultSigner: signer })
} finally {
getClientPromiseRef.current = null
}
})()

return await getClientPromiseRef.current
}, [algorand, persist, state.appId])

const fetchTerms = useCallback(async (): Promise<AlgoMintTerms | null> => {
if (!state.appId) return null
const client = await getClient()
const [creator, totalNfts, totalPctBps, durationYears, startQuarter, salePrice, firstAssetId] =
await client.getTerms()
const gs = await client.state.global.getAll()
const initialized = Number(gs.initialized ?? 0n) === 1
if (!initialized) return null
return {
nft_count: Number(totalNfts),
total_pct_bps: Number(totalPctBps),
duration_years: Number(durationYears),
start_quarter: Number(startQuarter),
sale_price_micro_algo: Number(salePrice),
first_asset_id: Number(firstAssetId),
nft_count: Number(gs.totalNfts ?? 0n),
total_pct_bps: Number(gs.totalPctBps ?? 0n),
duration_years: Number(gs.durationYears ?? 0n),
start_quarter: Number(gs.startQuarter ?? 0n),
sale_price_micro_algo: Number(gs.salePrice ?? 0n),
first_asset_id: Number(gs.firstAssetId ?? 0n),
}
}, [getClient, state.appId])

Expand All @@ -126,16 +154,21 @@ export function useAlgoMint() {
return
}
const client = await getClient()
const [creator, totalNfts, totalPctBps, durationYears, startQuarter, salePrice, firstAssetId] =
await client.getTerms()
setCreatorAddressValue(creator)
const gs = await client.state.global.getAll()
const initialized = Number(gs.initialized ?? 0n) === 1
if (!initialized) {
setCreatorAddressValue(null)
setTermsValue(null)
return
}
setCreatorAddressValue((gs.creator ?? '').toString())
setTermsValue({
nft_count: Number(totalNfts),
total_pct_bps: Number(totalPctBps),
duration_years: Number(durationYears),
start_quarter: Number(startQuarter),
sale_price_micro_algo: Number(salePrice),
first_asset_id: Number(firstAssetId),
nft_count: Number(gs.totalNfts ?? 0n),
total_pct_bps: Number(gs.totalPctBps ?? 0n),
duration_years: Number(gs.durationYears ?? 0n),
start_quarter: Number(gs.startQuarter ?? 0n),
sale_price_micro_algo: Number(gs.salePrice ?? 0n),
first_asset_id: Number(gs.firstAssetId ?? 0n),
})
}, [getClient, state.appId])

Expand Down Expand Up @@ -206,13 +239,15 @@ export function useAlgoMint() {
receiver: client.appAddress,
amount: mbrAmount,
suggestedParams: sp,
note: uniqueNote('mbr_payment'),
})

const group = client.newGroup()
group.addTransaction(mbrPaymentTxn, signer)
group.mintFutureNft({
sender,
signer,
note: uniqueNote('app_call_mint'),
args: {
totalNfts: args.nft_count,
totalPctBps: args.total_pct_bps,
Expand Down Expand Up @@ -250,13 +285,15 @@ export function useAlgoMint() {
assetIndex: assetId,
amount: 0,
suggestedParams: sp,
note: uniqueNote('opt_in'),
})

const payTxn = algosdk.makePaymentTxnWithSuggestedParamsFromObject({
sender,
receiver: client.appAddress,
amount: Number(t.sale_price_micro_algo),
suggestedParams: sp,
note: uniqueNote('buy_payment'),
})

const group = client.newGroup()
Expand All @@ -265,6 +302,7 @@ export function useAlgoMint() {
group.buyNft({
sender,
signer,
note: uniqueNote('app_call_buy'),
args: { assetId, optIn: optInTxn, payment: payTxn },
})
await group.send()
Expand All @@ -277,10 +315,24 @@ export function useAlgoMint() {
async (args: { asset_id: number; address: string }) => {
if (!state.appId) return 0
const client = await getClient()
const pending = await client.getPendingPayout({ args: { assetId: args.asset_id, address: args.address } })
return Number(pending)
// Avoid simulate by computing pending from state:
// pending = payout_per_nft if (holder owns NFT) AND last_reported_quarter > last_claimed_quarter
const gs = await client.state.global.getAll()
const lastReportedQuarter = gs.lastReportedQuarter ?? 0n
if (lastReportedQuarter === 0n) return 0
const payoutPerNft = gs.payoutPerNft ?? 0n
if (payoutPerNft === 0n) return 0

// Confirm address holds the NFT
const hold = await algorand.client.algod.accountAssetInformation(args.address, args.asset_id).do().catch(() => null)
const owns = (hold?.assetHolding?.amount ?? 0n) === 1n
if (!owns) return 0

const lastClaimed = (await client.state.box.lastClaimedQuarter.value(args.asset_id)) ?? 0n
if (lastClaimed >= lastReportedQuarter) return 0
return Number(payoutPerNft)
},
[getClient, state.appId],
[algorand.client.algod, getClient, state.appId],
)

const claim_payout = useCallback(
Expand All @@ -292,6 +344,7 @@ export function useAlgoMint() {
await client.send.claimPayout({
sender,
signer,
note: uniqueNote('app_call_claim'),
args: { assetId: args.asset_id },
})
},
Expand Down Expand Up @@ -319,13 +372,15 @@ export function useAlgoMint() {
receiver: client.appAddress,
amount: totalPayout,
suggestedParams: sp,
note: uniqueNote('payout_funding'),
})

const group = client.newGroup()
group.addTransaction(fundTxn, signer)
group.reportIncome({
sender,
signer,
note: uniqueNote('app_call_report'),
args: { quarter: args.quarter, incomeAmount: args.income_amount, payoutFunding: fundTxn },
})
await group.send()
Expand Down
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