fix: RegistryScriptURI bug and add additional backup RPCs for mainnet, sepolia & base chains

Author: micwallace

javascript/engine-js/src/repo/Repo.ts

@@ -70,7 +70,7 @@ export class Repo {
 			try {
 				scripts.push(...await (new resolver(this.context)).resolveAllScripts(tsPath));
 			} catch (e) {
-				console.log("Failed to resolve tokenscripts using resolver: " + resolver.name, e.message);
+				console.error("Failed to resolve tokenscripts using resolver: " + resolver.name, e);
 			}
 		}
 

javascript/engine-js/src/repo/sources/RegistryScriptURI.ts

@@ -148,7 +148,7 @@ export class RegistryScriptURI implements SourceInterface {
 			));
 		} catch (e) {
 			console.error(e);
-			scriptSourceData = null;
+			scriptSourceData = [];
 		}
 
 		let sourceElements: ScriptInfo[] = [];

javascript/tokenscript-viewer/src/integration/constants.ts

@@ -100,11 +100,19 @@ export const CHAIN_EAS_SCHEMA_REGI_MAP: ChainMapInterface = {
 
 export const CHAIN_CONFIG: {[chain: number]: IChainConfig} = {
 	[ChainID.ETHEREUM]: {
-		rpc: `https://mainnet.infura.io/v3/${INFURA_API_KEY}`,
+		rpc: [
+			`https://mainnet.infura.io/v3/${INFURA_API_KEY}`,
+			"https://1rpc.io/eth",
+			"https://eth.llamarpc.com"
+		],
 		explorer: 'https://etherscan.com/tx/'
 	},
 	[ChainID.SEPOLIA]: {
-		rpc: `https://sepolia.infura.io/v3/${INFURA_API_KEY}`,
+		rpc: [
+			`https://sepolia.infura.io/v3/${INFURA_API_KEY}`,
+			"https://eth-sepolia.api.onfinality.io/public",
+			"https://rpc.sepolia.org"
+		],
 		explorer: 'https://sepolia.etherscan.io/tx/'
 	},
 	[ChainID.HOLESKY]: {
@@ -179,11 +187,19 @@ export const CHAIN_CONFIG: {[chain: number]: IChainConfig} = {
 		explorer: 'https://explorer.sepolia.mantle.xyz/tx/'
 	},
 	[ChainID.BASE]: {
-		rpc: `https://base-mainnet.infura.io/v3/${INFURA_API_KEY}`,
+		rpc: [
+			`https://base-mainnet.infura.io/v3/${INFURA_API_KEY}`,
+			"https://base.llamarpc.com",
+			"https://base.drpc.org"
+		],
 		explorer: 'https://basescan.org/tx/'
 	},
 	[ChainID.BASE_SEPOLIA]: {
-		rpc: `https://base-sepolia.infura.io/v3/${INFURA_API_KEY}`,
+		rpc: [
+			`https://base-sepolia.infura.io/v3/${INFURA_API_KEY}`,
+			"https://sepolia.base.org",
+			"https://base-sepolia-rpc.publicnode.com"
+		],
 		explorer: 'https://sepolia.basescan.org/tx/'
 	},
 	[ChainID.BLAST]: {