const rows = getBlock('TokenPurchase Events'); document.body.style.cssText = 'background:#0d0d0d;padding:14px;font-family:monospace;color:#fff;height:100%;overflow-y:auto;box-sizing:border-box'; if (!rows.length) { document.body.innerHTML = '

Awaiting TokenPurchase data...

'; return; } const points = []; rows.forEach(r => { try { const ethWei = BigInt(r.topic2 || '0x0'); const tokensRaw = BigInt(r.topic3 || '0x0'); const ethSold = Number(ethWei) / 1e18; const tokens = Number(tokensRaw); if (tokens > 0 && ethSold > 0) { points.push({ block: Number(r.block_number), rate: ethSold / tokens, ethSold, addr: (r.address || '').toLowerCase() }); } } catch(e) {} }); if (!points.length) { document.body.innerHTML = '

No valid price data — topic2/topic3 may be empty if events use a different encoding.

'; return; } const minBlock = Math.min(...points.map(p => p.block)); const maxBlock = Math.max(...points.map(p => p.block)); const rates = points.map(p => p.rate); const minRate = Math.min(...rates); const maxRate = Math.max(...rates); const avgRate = rates.reduce((a, b) => a + b, 0) / rates.length; const p25 = rates.slice().sort((a,b)=>a-b)[Math.floor(rates.length*0.25)]; const p75 = rates.slice().sort((a,b)=>a-b)[Math.floor(rates.length*0.75)]; const addrMap = {}; points.forEach(p => { if (!addrMap[p.addr]) addrMap[p.addr] = Object.keys(addrMap).length; }); const palette = ['#7c3aed','#2563eb','#16a34a','#dc2626','#ea580c','#0891b2','#d97706']; const W = 500, H = 220, pad = 38; const circles = points.slice(0, 300).map(p => { const x = pad + ((p.block - minBlock) / (maxBlock - minBlock || 1)) * (W - pad * 2); const y = H - pad - ((p.rate - minRate) / (maxRate - minRate || 1)) * (H - pad * 2); const c = palette[addrMap[p.addr] % palette.length]; return ''; }).join(''); const medLine = H - pad - ((avgRate - minRate) / (maxRate - minRate || 1)) * (H - pad * 2); const svg = ''; const legend = Object.entries(addrMap).slice(0, 6).map(([addr, i]) => '● ' + addr.slice(0,6) + '…' + addr.slice(-4) + '' ).join(''); document.body.innerHTML = '

Implied V1 ETH/Token Rate per Trade

' + '

Avg: ' + avgRate.toExponential(3) + ' ETH/token | IQR: ' + p25.toExponential(2) + ' – ' + p75.toExponential(2) + ' | ' + points.length + ' trades plotted

' + svg + '

' + legend + '

' + '

Y = ETH paid per token. Dashed line = mean. Outliers above = price-dislocated trades exploiting stale V1 reserves. Colors = unique exchange contracts.