From 8663f921fc6bd73c88d965e6f851f08983c3b006 Mon Sep 17 00:00:00 2001
From: Aditya Anand M C <aditya.anandmc@gmail.com>
Date: Mon, 10 Feb 2025 17:08:51 +0530
Subject: [PATCH] add hedera

---
 .env.example            |  1 +
 src/config.ts           | 35 ++++++++++++++++++++++++++++++++++-
 src/prices/coinGecko.ts |  1 +
 3 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/.env.example b/.env.example
index 26db4482..7163e84c 100644
--- a/.env.example
+++ b/.env.example
@@ -45,6 +45,7 @@ DD_ENV=development
 #LUKSO_TESTNET_RPC_URL
 #METIS_ANDROMEDA_RPC_URL
 #GNOSIS_RPC_URL
+#HEDERA_RPC_URL
 
 #COINGECKO_API_KEY=
 #IPFS_GATEWAYs=[]
diff --git a/src/config.ts b/src/config.ts
index 82917fe2..cb5d28da 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -19,7 +19,8 @@ type CoingeckoSupportedChainId =
   | 1329
   | 42
   | 42220
-  | 1088;
+  | 1088
+  | 295;
 
 const CHAIN_DATA_VERSION = "87";
 const IPFS_DATA_VERSION = "1";
@@ -1828,6 +1829,38 @@ const CHAINS: Chain[] = [
       },
     ],
   },
+  {
+    id: 295,
+    name: "hedera",
+    rpc: rpcUrl
+      .default("https://mainnet.hashio.io/api")
+      .parse(process.env.HEDERA_RPC_URL),
+    pricesFromTimestamp: Date.UTC(2025, 1, 1, 0, 0, 0),
+    tokens: [
+      {
+        code: "HBAR",
+        address: "0x0000000000000000000000000000000000000000",
+        decimals: 8,
+        priceSource: {
+          chainId: 295,
+          address: "0x0000000000000000000000000000000000000000",
+        },
+      },
+    ],
+    subscriptions: [
+      // Allo V2
+      {
+        contractName: "AlloV2/Registry/V1",
+        address: "0x4aacca72145e1df2aec137e1f3c5e3d75db8b5f3",
+        fromBlock: 75239000,
+      },
+      {
+        contractName: "AlloV2/Allo/V1",
+        address: "0x1133eA7Af70876e64665ecD07C0A0476d09465a1",
+        fromBlock: 75239000,
+      },
+    ],
+  },
 ];
 
 export const getDecimalsForToken = (
diff --git a/src/prices/coinGecko.ts b/src/prices/coinGecko.ts
index 8448008c..1d8f3428 100644
--- a/src/prices/coinGecko.ts
+++ b/src/prices/coinGecko.ts
@@ -31,6 +31,7 @@ const nativeTokens: { [key: number]: string } = {
   42220: "celo",
   1088: "metis-token",
   100: "xdai",
+  295: "hedera-hashgraph",
 };
 
 type TimestampInMs = number;