Make contract manager evm chains accept rpc urls

Author: m30m

contract_manager/scripts/fetch_fees.ts

@@ -26,7 +26,11 @@ async function main() {
       contract instanceof EvmContract ||
       contract instanceof CosmWasmContract
     ) {
-      console.log(`${contract.getId()} ${await contract.getTotalFee()}`);
+      try {
+        console.log(`${contract.getId()} ${await contract.getTotalFee()}`);
+      } catch (e) {
+        console.error(e);
+      }
     }
   }
 }

contract_manager/src/chains.ts

@@ -264,7 +264,23 @@ export class EvmChain extends Chain {
     );
   }
 
+  /**
+   * Returns the chain rpc url with any environment variables replaced or throws an error if any are missing
+   */
   getRpcUrl(): string {
+    const envMatches = this.rpcUrl.match(/\$ENV_\w+/);
+    if (envMatches) {
+      for (const envMatch of envMatches) {
+        const envName = envMatch.replace("$ENV_", "");
+        const envValue = process.env[envName];
+        if (!envValue) {
+          throw new Error(
+            `Missing env variable ${envName} required for chain ${this.id} rpc: ${this.rpcUrl}`
+          );
+        }
+        this.rpcUrl = this.rpcUrl.replace(envMatch, envValue);
+      }
+    }
     return this.rpcUrl;
   }
 

contract_manager/store/chains/EvmChains.yaml

@@ -319,12 +319,12 @@
 - id: saigon
   wormholeChainName: ronin
   mainnet: false
-  rpcUrl: https://api-gateway.skymavis.com/rpc/testnet?apikey=put-me-here-from-ronin-wallet
+  rpcUrl: https://api-gateway.skymavis.com/rpc/testnet?apikey=$ENV_RONIN_API_KEY
   networkId: 2021
   type: EvmChain
 - id: ronin
   wormholeChainName: ronin
   mainnet: true
-  rpcUrl: https://api-gateway.skymavis.com/rpc?apikey=put-me-here-from-ronin-wallet
+  rpcUrl: https://api-gateway.skymavis.com/rpc?apikey=$ENV_RONIN_API_KEY
   networkId: 2020
   type: EvmChain