https and h2o supply

Author: green-ade

app/routes/coingecko/v1/totalsupply.mjs

@@ -1,24 +1,52 @@
 const RPC_URL = "https://hydration-rpc.n.dwellir.com";
 
-// Token contract addresses mapping
+// Token contract addresses mapping (ERC20 tokens)
 const TOKEN_CONTRACTS = {
   hollar: "0x531a654d1696ED52e7275A8cede955E82620f99a",
   gigadot: "0x34d5ffb83d14d82f87aaf2f13be895a3c814c2ad",
   gigaeth: "0x8a598fe3e3a471ce865332e330d303502a0e2f52",
-  // Add more tokens here as needed
 };
 
 // Token decimals mapping
 const TOKEN_DECIMALS = {
   hollar: 18,
   gigadot: 18,
   gigaeth: 18,
-  // Add more tokens here as needed
+  h2o: 12,
+};
+
+// Substrate tokens: pre-encoded storage keys for tokens.totalIssuance
+const SUBSTRATE_STORAGE_KEYS = {
+  h2o: "0x99971b5749ac43e0235e41b0d378691857c875e4cff74148e4628f264b974c805153cb1f00942ff401000000",
 };
 
 // ERC20 totalSupply function signature
 const TOTAL_SUPPLY_SIGNATURE = "0x18160ddd";
 
+async function callSubstrateTotalIssuance(storageKey) {
+  const response = await fetch(RPC_URL, {
+    method: "POST",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify({
+      jsonrpc: "2.0",
+      method: "state_getStorage",
+      params: [storageKey],
+      id: 1,
+    }),
+  });
+
+  const data = await response.json();
+
+  if (data.error) {
+    throw new Error(data.error.message || "RPC call failed");
+  }
+
+  // Decode little-endian hex u128
+  const hex = data.result.slice(2); // strip 0x
+  const bytes = hex.match(/.{2}/g).reverse().join("");
+  return BigInt("0x" + bytes);
+}
+
 async function callTotalSupply(contractAddress) {
   const response = await fetch(RPC_URL, {
     method: "POST",
@@ -81,22 +109,22 @@ export default async (fastify, opts) => {
     handler: async (request, reply) => {
       const token = request.params.token.toLowerCase();
 
-      // Check if token exists in our mapping
-      const contractAddress = TOKEN_CONTRACTS[token];
-      if (!contractAddress) {
+      const decimals = TOKEN_DECIMALS[token];
+      if (!decimals) {
         return reply.code(404).send({
           error: `Token '${token}' not found`,
         });
       }
 
-      const decimals = TOKEN_DECIMALS[token];
-
       try {
-        // Call the contract via JSON-RPC
-        const hexValue = await callTotalSupply(contractAddress);
-
-        // Convert hex to BigInt
-        const rawSupply = BigInt(hexValue);
+        let rawSupply;
+        const storageKey = SUBSTRATE_STORAGE_KEYS[token];
+        if (storageKey) {
+          rawSupply = await callSubstrateTotalIssuance(storageKey);
+        } else {
+          const contractAddress = TOKEN_CONTRACTS[token];
+          rawSupply = BigInt(await callTotalSupply(contractAddress));
+        }
 
         // Convert to human-readable format by dividing by 10^decimals
         const divisor = BigInt(10 ** decimals);

docker-stack.yml

@@ -176,7 +176,11 @@ services:
         - "traefik.http.routers.grafana.rule=Host(`grafana.nice.hydration.cloud`)"
         - "traefik.http.routers.grafana.entrypoints=websecure"
         - "traefik.http.routers.grafana.tls.certresolver=myresolver"
+        - "traefik.http.routers.grafana.tls.domains[0].main=grafana.nice.hydration.cloud"
         - "traefik.http.services.grafana.loadbalancer.server.port=3000"
+        - "traefik.http.routers.grafana-http.rule=Host(`grafana.nice.hydration.cloud`)"
+        - "traefik.http.routers.grafana-http.entrypoints=web"
+        - "traefik.http.routers.grafana-http.middlewares=https-redirect"
 
 networks:
   hydration-net: