Add fantom / arbitrum token type (trustwallet#13296)

* add fantom / arbitrum token type
* add arbitrum info
* fix check script

blockchains/arbitrum/allowlist.json

@@ -0,0 +1 @@
+[]

blockchains/arbitrum/denylist.json

@@ -0,0 +1 @@
+[]

blockchains/arbitrum/info/info.json

@@ -0,0 +1,17 @@
+{
+    "name": "Arbitrum",
+    "website": "https://offchainlabs.com",
+    "description": "Arbitrum is a Layer 2 cryptocurrency platform that makes smart contracts scalable, fast, and private",
+    "explorer": "https://arbiscan.io",
+    "research": "https://coinmarketcap.com/alexandria/article/what-is-arbitrum",
+    "symbol": "ARETH",
+    "type": "coin",
+    "decimals": 18,
+    "status": "active",
+    "links": [
+        {
+            "name": "twitter",
+            "url": "https://twitter.com/arbitrum"
+        }
+    ]
+}

script/generic/asset-infos.ts

@@ -219,7 +219,9 @@ export function chainFromAssetType(type: string): string {
         case "POA": return "poa";
         case "POLYGON": return "polygon";
         case "OPTIMISM": return "optimism";
-        case "AVALANCHE": return 'avalanchec';
+        case "AVALANCHE": return "avalanchec";
+        case "ARBITRUM": return "arbitrum";
+        case "FANTOM": return "fantom";
         default: return "";
     }
 }
@@ -294,16 +296,20 @@ export function explorerUrl(chain: string, contract: string): string {
                 return `https://blockscout.com/xdai/mainnet/tokens/${contract}`;
 
             case CoinType.name(CoinType.poa).toLowerCase():
-            case 'poa':
+            case "poa":
                 return `https://blockscout.com/poa/core/tokens/${contract}`;
 
             case CoinType.name(CoinType.polygon).toLowerCase():
-            case 'polygon':
+            case "polygon":
                 return `https://polygonscan.com/token/${contract}`;
-            case 'optimism':
+            case "optimism":
                 return `https://optimistic.etherscan.io/address/${contract}`;
-            case 'avalanchec':
+            case "avalanchec":
                 return `https://cchain.explorer.avax.network/address/${contract}`
+            case "arbitrum":
+                return `https://arbiscan.io/token/${contract}`
+            case "fantom":
+                return `https://ftmscan.com/token/${contract}`
         }
     }
     return "";

script/generic/blockchains.ts

@@ -29,6 +29,8 @@ export const Polygon = getChainName(CoinType.polygon);
 export const Optimism = "optimism";
 export const xDAI = "xdai";
 export const Avalanche = "avalanchec";
+export const Arbitrum = "arbitrum";
+export const Fantom = "fantom";
 
 export const ethForkChains = [
     Ethereum,
@@ -43,6 +45,8 @@ export const ethForkChains = [
     Optimism,
     xDAI,
     Avalanche,
+    Arbitrum,
+    Fantom,
 ];
 export const stakingChains = [
     Tezos,

script/generic/eth-forks.ts

@@ -56,6 +56,10 @@ export class EthForks implements ActionInterface {
                     check: async () => {
                         const errors: string[] = [];
                         const assetsFolder = getChainAssetsPath(chain);
+                        if (!isPathExistsSync(assetsFolder)) {
+                            console.log(`     Found 0 assets for chain ${chain}`);
+                            return [errors, []];
+                        }
                         const assetsList = getChainAssetsList(chain);
                         console.log(`     Found ${assetsList.length} assets for chain ${chain}`);
                         await bluebird.each(assetsList, async (address) => {