Improve log and remove rpc for ethereum

blockchain-watcher/config/mainnet.json

@@ -8,7 +8,6 @@
     "ethereum": {
       "network": "mainnet",
       "rpcs": [
-        "https://rpc.flashbots.net/fast",
         "https://api.securerpc.com/v1",
         "https://rpc.mevblocker.io/noreverts",
         "https://rpc.notadegen.com/eth"

blockchain-watcher/src/infrastructure/rpc/http/InstrumentedHttpProvider.ts

@@ -56,7 +56,9 @@ export class InstrumentedHttpProvider {
       });
     } catch (e: AxiosError | any) {
       this.logger.error(
-        `[${chain}][${body?.method}] Got error from ${this.url} rpc. ${e?.message ?? `${e}`}`
+        `[${chain}][${body?.method ?? body[0]?.method}] Got error from ${this.url} rpc. ${
+          e?.message ?? `${e}`
+        }`
       );
 
       // Connection / timeout error: