Int3face: add non-native fee tokens && add grpc endpoint && fix explorer tx_page filed (#5619)

Co-authored-by: Dmitriy Pyshinskiy <[email protected]>

Author: DmitriyPyshinskiy

int3face/chain.json

@@ -18,10 +18,38 @@
     "fee_tokens": [
       {
         "denom": "uint3",
-        "fixed_min_gas_price": 0.0025,
-        "low_gas_price": 0.0025,
+        "fixed_min_gas_price": 0.01,
+        "low_gas_price": 0.01,
         "average_gas_price": 0.025,
         "high_gas_price": 0.04
+      },
+      {
+        "denom": "factory/int31zlefkpe3g0vvm9a4h0jf9000lmqutlh99h7fsd/bitcoin-btc",
+        "fixed_min_gas_price": 0.0000001,
+        "low_gas_price": 0.0000001,
+        "average_gas_price": 0.0000025,
+        "high_gas_price": 0.000004
+      },
+      {
+        "denom": "factory/int31zlefkpe3g0vvm9a4h0jf9000lmqutlh99h7fsd/bitcoin-cash-bch",
+        "fixed_min_gas_price": 0.000001,
+        "low_gas_price": 0.000001,
+        "average_gas_price": 0.000025,
+        "high_gas_price": 0.00004
+      },
+      {
+        "denom": "factory/int31zlefkpe3g0vvm9a4h0jf9000lmqutlh99h7fsd/litecoin-ltc",
+        "fixed_min_gas_price": 0.000001,
+        "low_gas_price": 0.000001,
+        "average_gas_price": 0.000025,
+        "high_gas_price": 0.00004
+      },
+      {
+        "denom": "factory/int31zlefkpe3g0vvm9a4h0jf9000lmqutlh99h7fsd/dogecoin-doge",
+        "fixed_min_gas_price": 0.001,
+        "low_gas_price": 0.001,
+        "average_gas_price": 0.0025,
+        "high_gas_price": 0.004
       }
     ]
   },
@@ -118,13 +146,19 @@
         "address": "https://api.mainnet.int3face.zone",
         "provider": "Int3face.io"
       }
+    ],
+    "grpc": [
+      {
+        "address": "grpc.mainnet.int3face.zone:443",
+        "provider": "Int3face.io"
+      }
     ]
   },
   "explorers": [
     {
       "kind": "ping.pub",
       "url": "https://explorer.int3face.zone",
-      "tx_page": "https://explorer.int3face.zone/tx/${txHash}"
+      "tx_page": "https://explorer.int3face.zone/int3face-1/tx/${txHash}"
     }
   ],
   "images": [