interlay
diff --git a/‎.gitignore‎
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diff --git a/‎api/health.py‎
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diff --git a/‎api/requirements.txt‎
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diff --git a/‎api/supply_info.js‎
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diff --git a/‎api/supply_info.py‎
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diff --git a/‎package.json‎
Lines changed: 1 addition & 1 deletion b/‎package.json‎
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@@ -122,3 +122,4 @@ dist
 .vscode
 /.env.development.local.example
 /.env
+.vercel
@@ -0,0 +1,81 @@
+const KINT_SUBSCAN_URL = 'https://kintsugi.api.subscan.io/'
+const INTR_SUBSCAN_URL = 'https://interlay.api.subscan.io/'
+
+const KINT_API_KEY = process.env.SUBSCAN_API_KEY
+const INTR_API_KEY = process.env.INTR_SUBSCAN_API_KEY
+
+function fromDecimals (val, decimals) {
+  return val / Math.pow(10, decimals)
+}
+
+async function subscanRequest (url, method = 'GET', json = null) {
+  const headers = {
+    'Content-Type': 'application/json',
+    'X-API-KEY': url.startsWith(INTR_SUBSCAN_URL) ? INTR_API_KEY : KINT_API_KEY
+  }
+
+  const options = { method, headers }
+  if (json) {
+    options.body = JSON.stringify(json)
+  }
+
+  const response = await fetch(url, options)
+  return await response.json()
+}
+
+export default async function (request, response) {
+  if (request.method !== 'GET') {
+    return response.status(400).send('Bad Request')
+  }
+  const path = request.url.split('?')[0]
+  switch (path) {
+    case '/supply/intr-total-supply': {
+      const INTR_SUPPLY = 1_000_000_000
+      return response
+        .status(200)
+        .send(INTR_SUPPLY.toString())
+    }
+    case '/supply/kint-total-supply': {
+      const KINT_SUPPLY = 10_000_000
+      return response
+        .status(200)
+        .send(KINT_SUPPLY.toString())
+    }
+    case '/supply/intr-circ-supply': {
+      const unvestedSupply = fromDecimals(parseInt((await subscanRequest(INTR_SUBSCAN_URL + 'api/scan/token')).data.detail.INTR.available_balance), 10)
+      const systemAccountsSupply = (await subscanRequest(INTR_SUBSCAN_URL + 'api/scan/accounts', 'POST',
+        { filter: 'system', row: 25, page: 0 })).data.list
+        .reduce((acc, curr) => acc + parseFloat(curr.balance), 0)
+      const circulatingSupply = unvestedSupply - systemAccountsSupply
+
+      return response
+        .status(200)
+        .send(circulatingSupply.toString())
+    }
+    case '/supply/kint-circ-supply': {
+      const kintUnvestedSupply = fromDecimals(parseInt((await subscanRequest(KINT_SUBSCAN_URL + 'api/scan/token')).data.detail.KINT.available_balance), 12)
+      const kintSystemAccountsSupply = (await subscanRequest(KINT_SUBSCAN_URL + 'api/scan/accounts', 'POST',
+        { filter: 'system', row: 25, page: 0 })).data.list
+        .reduce((acc, curr) => acc + parseFloat(curr.balance), 0)
+      const kintCirculatingSupply = kintUnvestedSupply - kintSystemAccountsSupply
+
+      return response
+        .status(200)
+        .send(kintCirculatingSupply.toString())
+    }
+    case '/supply/ibtc-supply': {
+      const ibtcSupply = fromDecimals(parseInt((await subscanRequest(INTR_SUBSCAN_URL + 'api/scan/token')).data.detail.IBTC.available_balance), 10)
+      return response
+        .status(200)
+        .send(ibtcSupply.toString())
+    }
+    case '/supply/kbtc-supply': {
+      const kbtcSupply = fromDecimals(parseInt((await subscanRequest(KINT_SUBSCAN_URL + 'api/scan/token')).data.detail.KBTC.available_balance), 8)
+      return response
+        .status(200)
+        .send(kbtcSupply.toString())
+    }
+    default:
+      response.status(404).send('Not Found')
+  }
+};
@@ -1,6 +1,6 @@
 {
   "name": "interbtc-ui",
-  "version": "2.41.2",
+  "version": "2.41.4",
   "private": true,
   "dependencies": {
     "@craco/craco": "^6.1.1",
-Original file line number
+Diff line change
 .vscode
 /.env.development.local.example
 /.env
 +.vercel
Original file line number	Diff line number	Diff line change
`@@ -1,6 +1,6 @@`
`1`	`1`	`{`
`2`	`2`	`"name": "interbtc-ui",`
`3`		`- "version": "2.41.2",`
	`3`	`+ "version": "2.41.4",`
`4`	`4`	`"private": true,`
`5`	`5`	`"dependencies": {`
`6`	`6`	`"@craco/craco": "^6.1.1",`