fix: Post-purchase holder dashboard on landing page (#150)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
openhands
parent
058451792f
commit
e89fd4013d
11 changed files with 779 additions and 5 deletions
312
packages/ui-shared/src/components/TransactionHistory.vue
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312
packages/ui-shared/src/components/TransactionHistory.vue
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<template>
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<div class="tx-history">
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<h3 class="tx-history__title">
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Transaction History
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<span class="tx-history__count" v-if="visibleTransactions.length">{{ visibleTransactions.length }}</span>
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</h3>
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<div v-if="loading" class="tx-history__loading">
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<div class="spinner"></div>
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Loading transactions…
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</div>
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<div v-else-if="visibleTransactions.length === 0" class="tx-history__empty">No transactions found for this address.</div>
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<div v-else class="tx-history__table-wrapper">
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<table class="tx-table">
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<thead>
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<tr>
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<th>Date</th>
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<th>Type</th>
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<th class="text-right">Amount (KRK)</th>
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<th class="text-right">Value (ETH)</th>
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<th>Tx</th>
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</tr>
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</thead>
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<tbody>
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<tr v-for="tx in visibleTransactions" :key="tx.id" :class="txRowClass(tx.type)">
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<td class="tx-date">{{ formatDate(tx.timestamp) }}</td>
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<td>
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<span class="tx-type-badge" :class="txTypeClass(tx.type)">
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{{ txTypeLabel(tx.type) }}
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</span>
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</td>
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<td class="text-right mono">{{ formatKrk(tx.tokenAmount) }}</td>
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<td class="text-right mono">{{ tx.ethAmount !== '0' ? formatEth(tx.ethAmount) : '—' }}</td>
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<td>
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<a :href="explorerTxUrl(tx.txHash)" target="_blank" rel="noopener noreferrer" class="tx-link" :title="tx.txHash">
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{{ shortHash(tx.txHash) }} ↗
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</a>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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</template>
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<script setup lang="ts">
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import { ref, computed, watch, onMounted } from 'vue';
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interface Transaction {
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id: string;
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holder: string;
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type: string;
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tokenAmount: string;
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ethAmount: string;
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timestamp: string;
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blockNumber: number;
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txHash: string;
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}
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const props = defineProps<{
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address: string;
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graphqlUrl?: string;
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typeFilter?: string[];
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}>();
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const transactions = ref<Transaction[]>([]);
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const loading = ref(true);
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const GRAPHQL_URL = props.graphqlUrl || '/api/graphql';
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const visibleTransactions = computed(() => {
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if (!props.typeFilter || props.typeFilter.length === 0) return transactions.value;
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return transactions.value.filter(tx => props.typeFilter!.includes(tx.type));
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});
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async function fetchTransactions(address: string) {
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if (!address) {
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loading.value = false;
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return;
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}
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loading.value = true;
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try {
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const query = `{
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transactionss(
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where: { holder: "${address.toLowerCase()}" }
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orderBy: "timestamp"
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orderDirection: "desc"
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limit: 50
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) {
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items {
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id
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holder
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type
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tokenAmount
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ethAmount
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timestamp
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blockNumber
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txHash
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}
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}
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}`;
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const res = await fetch(GRAPHQL_URL, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ query }),
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});
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const data = await res.json();
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transactions.value = data?.data?.transactionss?.items ?? [];
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} catch (e) {
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// eslint-disable-next-line no-console
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console.error('Failed to fetch transactions:', e);
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transactions.value = [];
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} finally {
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loading.value = false;
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}
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}
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function formatDate(timestamp: string): string {
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const ts = Number(timestamp) * 1000;
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if (!ts) return '—';
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const d = new Date(ts);
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return (
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d.toLocaleDateString('en-US', { month: 'short', day: 'numeric', year: '2-digit' }) +
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' ' +
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d.toLocaleTimeString('en-US', { hour: '2-digit', minute: '2-digit', hour12: false })
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);
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}
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function formatKrk(raw: string): string {
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try {
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const val = Number(BigInt(raw || '0')) / 1e18;
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return val.toLocaleString('en-US', { minimumFractionDigits: 2, maximumFractionDigits: 4 });
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} catch {
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return '0.00';
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}
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}
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function formatEth(raw: string): string {
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try {
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const val = Number(BigInt(raw || '0')) / 1e18;
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return val.toLocaleString('en-US', { minimumFractionDigits: 4, maximumFractionDigits: 6 });
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} catch {
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return '0.0000';
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}
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}
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function shortHash(hash: string): string {
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if (!hash || hash.length < 12) return hash;
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return `${hash.slice(0, 6)}…${hash.slice(-4)}`;
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}
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function explorerTxUrl(hash: string): string {
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// Base mainnet explorer; adjust for testnet if needed
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return `https://basescan.org/tx/${hash}`;
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}
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function txTypeLabel(type: string): string {
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const labels: Record<string, string> = {
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buy: 'Buy',
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sell: 'Sell',
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stake: 'Stake',
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unstake: 'Unstake',
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snatch_in: 'Snatched In',
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snatch_out: 'Snatched Out',
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};
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return labels[type] || type;
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}
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function txTypeClass(type: string): string {
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if (['buy', 'unstake', 'snatch_in'].includes(type)) return 'tx-type--positive';
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if (['sell', 'snatch_out'].includes(type)) return 'tx-type--negative';
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return 'tx-type--neutral';
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}
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function txRowClass(type: string): string {
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if (['buy', 'unstake'].includes(type)) return 'tx-row--positive';
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if (['sell', 'snatch_out'].includes(type)) return 'tx-row--negative';
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return '';
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}
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onMounted(() => fetchTransactions(props.address));
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watch(
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() => props.address,
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addr => fetchTransactions(addr)
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);
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</script>
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<style lang="sass" scoped>
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.tx-history
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display: flex
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flex-direction: column
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gap: 16px
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&__title
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display: flex
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align-items: center
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gap: 10px
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font-size: 20px
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color: #ffffff
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margin: 0
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&__count
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background: rgba(117, 80, 174, 0.3)
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color: #7550AE
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border-radius: 99px
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padding: 2px 10px
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font-size: 14px
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font-weight: 700
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&__loading
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display: flex
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align-items: center
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gap: 12px
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color: #9A9898
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padding: 24px
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&__empty
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color: #9A9898
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padding: 24px
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text-align: center
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background: #07111B
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border-radius: 12px
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border: 1px solid rgba(255,255,255,0.07)
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&__table-wrapper
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overflow-x: auto
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border-radius: 12px
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border: 1px solid rgba(255,255,255,0.08)
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.tx-table
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width: 100%
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border-collapse: collapse
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font-size: 14px
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th
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text-align: left
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padding: 12px 16px
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color: #9A9898
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font-size: 11px
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text-transform: uppercase
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letter-spacing: 1px
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border-bottom: 1px solid rgba(255,255,255,0.08)
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white-space: nowrap
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td
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padding: 12px 16px
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border-bottom: 1px solid rgba(255,255,255,0.04)
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color: #ffffff
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.text-right
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text-align: right
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.mono
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font-family: monospace
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.tx-date
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color: #9A9898
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white-space: nowrap
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font-size: 13px
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.tx-type-badge
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padding: 3px 10px
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border-radius: 99px
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font-size: 12px
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font-weight: 600
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text-transform: uppercase
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letter-spacing: 0.5px
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&.tx-type--positive
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background: rgba(74, 222, 128, 0.12)
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color: #4ADE80
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&.tx-type--negative
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background: rgba(248, 113, 113, 0.12)
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color: #F87171
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&.tx-type--neutral
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background: rgba(117, 80, 174, 0.15)
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color: #7550AE
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.tx-row--positive td
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background: rgba(74, 222, 128, 0.03)
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.tx-row--negative td
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background: rgba(248, 113, 113, 0.03)
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.tx-link
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color: #7550AE
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text-decoration: none
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font-family: monospace
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font-size: 13px
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white-space: nowrap
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&:hover
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text-decoration: underline
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.spinner
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width: 20px
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height: 20px
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border: 2px solid rgba(117, 80, 174, 0.3)
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border-top-color: #7550AE
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border-radius: 50%
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animation: spin 0.8s linear infinite
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@keyframes spin
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to
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transform: rotate(360deg)
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</style>
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140
packages/ui-shared/src/composables/useHolderDashboard.ts
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140
packages/ui-shared/src/composables/useHolderDashboard.ts
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@ -0,0 +1,140 @@
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import { ref, computed, onMounted, onUnmounted, type Ref } from 'vue';
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const POLL_INTERVAL_MS = 30_000;
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function formatTokenAmount(rawWei: string, decimals = 18): number {
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try {
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const big = BigInt(rawWei);
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const divisor = 10 ** decimals;
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return Number(big) / divisor;
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} catch {
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return 0;
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}
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}
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export function useHolderDashboard(address: Ref<string>, graphqlUrl: string | Ref<string> = '/api/graphql') {
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const holderBalance = ref<string>('0');
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const holderTotalEthSpent = ref<string>('0');
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const holderTotalTokensAcquired = ref<string>('0');
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const currentPriceWei = ref<string | null>(null);
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const lastEthReserve = ref<string>('0');
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const kraikenTotalSupply = ref<string>('0');
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const loading = ref(false);
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const error = ref<string | null>(null);
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let pollTimer: ReturnType<typeof setInterval> | null = null;
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function resolveUrl(): string {
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return typeof graphqlUrl === 'string' ? graphqlUrl : graphqlUrl.value;
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}
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async function fetchData() {
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const addr = address.value?.toLowerCase();
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if (!addr) return;
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loading.value = true;
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error.value = null;
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try {
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const res = await fetch(resolveUrl(), {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({
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query: `query HolderDashboard {
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holders(address: "${addr}") {
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balance
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totalEthSpent
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totalTokensAcquired
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}
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statss(where: { id: "0x01" }) {
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items {
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kraikenTotalSupply
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lastEthReserve
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currentPriceWei
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}
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}
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}`,
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}),
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});
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const json = await res.json();
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if (Array.isArray(json?.errors) && json.errors.length > 0) {
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const msgs = json.errors.map((e: { message?: string }) => e.message ?? 'GraphQL error').join(', ');
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throw new Error(msgs);
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}
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const holder = json?.data?.holders;
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holderBalance.value = holder?.balance ?? '0';
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holderTotalEthSpent.value = holder?.totalEthSpent ?? '0';
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holderTotalTokensAcquired.value = holder?.totalTokensAcquired ?? '0';
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const statsItems = json?.data?.statss?.items;
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const statsRow = Array.isArray(statsItems) && statsItems.length > 0 ? statsItems[0] : null;
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currentPriceWei.value = statsRow?.currentPriceWei ?? null;
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lastEthReserve.value = statsRow?.lastEthReserve ?? '0';
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kraikenTotalSupply.value = statsRow?.kraikenTotalSupply ?? '0';
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} catch (err) {
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error.value = err instanceof Error ? err.message : 'Failed to load holder data';
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} finally {
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loading.value = false;
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}
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}
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const balanceKrk = computed(() => formatTokenAmount(holderBalance.value));
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const ethBacking = computed(() => {
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const balance = balanceKrk.value;
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const reserve = formatTokenAmount(lastEthReserve.value);
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const totalSupply = formatTokenAmount(kraikenTotalSupply.value);
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if (totalSupply === 0) return 0;
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return balance * (reserve / totalSupply);
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});
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const avgCostBasis = computed(() => {
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const spent = formatTokenAmount(holderTotalEthSpent.value);
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const acquired = formatTokenAmount(holderTotalTokensAcquired.value);
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if (acquired === 0) return 0;
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return spent / acquired;
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});
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const currentPriceEth = computed(() => {
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if (!currentPriceWei.value) return 0;
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return formatTokenAmount(currentPriceWei.value);
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});
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const unrealizedPnlEth = computed(() => {
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const basis = avgCostBasis.value;
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if (basis === 0) return 0;
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return (currentPriceEth.value - basis) * balanceKrk.value;
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});
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const unrealizedPnlPercent = computed(() => {
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const basis = avgCostBasis.value;
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if (basis === 0) return 0;
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return (currentPriceEth.value / basis - 1) * 100;
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});
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onMounted(async () => {
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await fetchData();
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pollTimer = setInterval(() => void fetchData(), POLL_INTERVAL_MS);
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});
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onUnmounted(() => {
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if (pollTimer) {
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clearInterval(pollTimer);
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pollTimer = null;
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}
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});
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return {
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loading,
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error,
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balanceKrk,
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avgCostBasis,
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currentPriceEth,
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unrealizedPnlEth,
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unrealizedPnlPercent,
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ethBacking,
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refresh: fetchData,
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};
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}
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2
packages/ui-shared/src/index.ts
Normal file
2
packages/ui-shared/src/index.ts
Normal file
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@ -0,0 +1,2 @@
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export { useHolderDashboard } from './composables/useHolderDashboard';
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export { default as TransactionHistory } from './components/TransactionHistory.vue';
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Loading…
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