Add Hedera networks (#2279)

* Add Hedera networks

Signed-off-by: Giuseppe Bertone <giuseppe.bertone@swirldslabs.com>

* fixed "standard" attribute for explorers

Signed-off-by: Giuseppe Bertone <giuseppe.bertone@swirldslabs.com>

* removed void ens fields;

Signed-off-by: Giuseppe Bertone <giuseppe.bertone@swirldslabs.com>

* using unique shortname across hedera networks;

Signed-off-by: Giuseppe Bertone <giuseppe.bertone@swirldslabs.com>

* fixed explorer URLs;

Signed-off-by: Giuseppe Bertone <giuseppe.bertone@swirldslabs.com>

---------

Signed-off-by: Giuseppe Bertone <giuseppe.bertone@swirldslabs.com>

_data/chains/eip155-295.json

@@ -0,0 +1,45 @@
+{
+  "name": "Hedera Mainnet",
+  "chain": "Hedera",
+  "icon": "hedera",
+  "rpc": ["https://mainnet.hashio.io/api"],
+  "features": [{ "name": "EIP155" }, { "name": "EIP1559" }],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "hbar",
+    "symbol": "HBAR",
+    "decimals": 8
+  },
+  "infoURL": "https://hedera.com",
+  "shortName": "hedera-mainnet",
+  "chainId": 295,
+  "networkId": 295,
+  "slip44": 3030,
+  "explorers": [
+    {
+      "name": "HashScan",
+      "url": "https://hashscan.io/mainnet/dashboard",
+      "standard": "none"
+    },
+    {
+      "name": "Arkhia Explorer",
+      "url": "https://explorer.arkhia.io",
+      "standard": "none"
+    },
+    {
+      "name": "DragonGlass",
+      "url": "https://app.dragonglass.me",
+      "standard": "none"
+    },
+    {
+      "name": "Hedera Explorer",
+      "url": "https://hederaexplorer.io",
+      "standard": "none"
+    },
+    {
+      "name": "Ledger Works Explore",
+      "url": "https://explore.lworks.io",
+      "standard": "none"
+    }
+  ]
+}

_data/chains/eip155-296.json

@@ -0,0 +1,45 @@
+{
+  "name": "Hedera Testnet",
+  "chain": "Hedera",
+  "icon": "hedera",
+  "rpc": ["https://testnet.hashio.io/api"],
+  "features": [{ "name": "EIP155" }, { "name": "EIP1559" }],
+  "faucets": ["https://portal.hedera.com"],
+  "nativeCurrency": {
+    "name": "hbar",
+    "symbol": "HBAR",
+    "decimals": 8
+  },
+  "infoURL": "https://hedera.com",
+  "shortName": "hedera-testnet",
+  "chainId": 296,
+  "networkId": 296,
+  "slip44": 3030,
+  "explorers": [
+    {
+      "name": "HashScan",
+      "url": "https://hashscan.io/testnet/dashboard",
+      "standard": "none"
+    },
+    {
+      "name": "Arkhia Explorer",
+      "url": "https://explorer.arkhia.io",
+      "standard": "none"
+    },
+    {
+      "name": "DragonGlass",
+      "url": "https://app.dragonglass.me",
+      "standard": "none"
+    },
+    {
+      "name": "Hedera Explorer",
+      "url": "https://hederaexplorer.io",
+      "standard": "none"
+    },
+    {
+      "name": "Ledger Works Explore",
+      "url": "https://explore.lworks.io",
+      "standard": "none"
+    }
+  ]
+}

_data/chains/eip155-297.json

@@ -0,0 +1,25 @@
+{
+  "name": "Hedera Previewnet",
+  "chain": "Hedera",
+  "icon": "hedera",
+  "rpc": ["https://previewnet.hashio.io/api"],
+  "features": [{ "name": "EIP155" }, { "name": "EIP1559" }],
+  "faucets": ["https://portal.hedera.com"],
+  "nativeCurrency": {
+    "name": "hbar",
+    "symbol": "HBAR",
+    "decimals": 8
+  },
+  "infoURL": "https://hedera.com",
+  "shortName": "hedera-previewnet",
+  "chainId": 297,
+  "networkId": 297,
+  "slip44": 3030,
+  "explorers": [
+    {
+      "name": "HashScan",
+      "url": "https://hashscan.io/previewnet/dashboard",
+      "standard": "none"
+    }
+  ]
+}

_data/chains/eip155-298.json

@@ -0,0 +1,19 @@
+{
+  "name": "Hedera Localnet",
+  "chain": "Hedera",
+  "icon": "hedera",
+  "rpc": [],
+  "features": [{ "name": "EIP155" }, { "name": "EIP1559" }],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "hbar",
+    "symbol": "HBAR",
+    "decimals": 8
+  },
+  "infoURL": "https://hedera.com",
+  "shortName": "hedera-localnet",
+  "chainId": 298,
+  "networkId": 298,
+  "slip44": 3030,
+  "explorers": []
+}

_data/icons/hedera.json

@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmQikzhvZKyMmbZJd7BVLZb2YTBDMgNDnaMCAErsVjsfuz",
+    "width": 1500,
+    "height": 1500,
+    "format": "png"
+  }
+]