chore(simple_client): Add explicit ServiceUnavailable error type - ad…

…dress PR comment and add unit test

server/config.go

@@ -47,7 +47,7 @@ func (cfg *Config) Check() error {
 
 	// provide dummy values to eigenda client config. Since the client won't be called in this
 	// mode it doesn't matter.
-	if cfg.MemstoreEnabled {
+	if cfg.MemstoreEnabled || !cfg.VerifierConfig.VerifyCerts {
 		cfg.EdaClientConfig.SvcManagerAddr = "0x0000000000000000000000000000000000000000"
 		cfg.EdaClientConfig.EthRpcUrl = "http://0.0.0.0:666"
 	}

server/config_test.go

@@ -89,6 +89,32 @@ func TestConfigVerification(t *testing.T) {
 			err := cfg.Check()
 			require.Error(t, err)
 		})
+
+		t.Run("EigenDAClientFieldsAreDefaultSetWhenCertVerifierDisabled", func(t *testing.T) {
+			// 1 - memstore
+			cfg := validCfg()
+			cfg.MemstoreEnabled = true
+			cfg.VerifierConfig.VerifyCerts = false
+			cfg.VerifierConfig.RPCURL = ""
+			cfg.VerifierConfig.SvcManagerAddr = ""
+
+			err := cfg.Check()
+			require.NoError(t, err)
+			require.True(t, len(cfg.EdaClientConfig.EthRpcUrl) > 1)
+			require.True(t, len(cfg.EdaClientConfig.SvcManagerAddr) > 1)
+
+			// 2 - cert verification disabled
+			cfg = validCfg()
+			cfg.MemstoreEnabled = false
+			cfg.VerifierConfig.VerifyCerts = false
+			cfg.VerifierConfig.RPCURL = ""
+			cfg.VerifierConfig.SvcManagerAddr = ""
+
+			err = cfg.Check()
+			require.NoError(t, err)
+			require.True(t, len(cfg.EdaClientConfig.EthRpcUrl) > 1)
+			require.True(t, len(cfg.EdaClientConfig.SvcManagerAddr) > 1)
+		})
 	})
 
 }