diff --git a/market/ipni/ipni-provider/spark.go b/market/ipni/ipni-provider/spark.go
index 697b59477..63d79df5a 100644
--- a/market/ipni/ipni-provider/spark.go
+++ b/market/ipni/ipni-provider/spark.go
@@ -70,13 +70,13 @@ func (p *Provider) updateSparkContract(ctx context.Context) error {
 		// Parse the contract ABI
 		parsedABI, err := eabi.JSON(strings.NewReader(spark.GetPeerAbi))
 		if err != nil {
-			log.Fatalf("Failed to parse getPeer ABI: %v", err)
+			return xerrors.Errorf("Failed to parse getPeer ABI: %w", err)
 		}
 
 		// Encode the function call
 		callData, err := parsedABI.Pack("getPeerData", pInfo.SPID)
 		if err != nil {
-			log.Fatalf("Failed to pack function call data: %v", err)
+			return xerrors.Errorf("Failed to pack function call data: %w", err)
 		}
 
 		rMsg := &types.Message{
diff --git a/market/ipni/spark/spark.go b/market/ipni/spark/spark.go
index 43220da86..66fd42acc 100644
--- a/market/ipni/spark/spark.go
+++ b/market/ipni/spark/spark.go
@@ -45,7 +45,7 @@ const AddPeerAbi = `[
       "outputs": [],
       "stateMutability": "nonpayable",
       "type": "function"
-    },
+    }
 ]`
 
 const UpdatePeerAbi = `[
@@ -87,7 +87,7 @@ const DeletePeerAbi = `[
       "outputs": [],
       "stateMutability": "nonpayable",
       "type": "function"
-    },
+    }
 ]`
 
 const GetPeerAbi = `[
@@ -121,5 +121,5 @@ const GetPeerAbi = `[
       ],
       "stateMutability": "view",
       "type": "function"
-    },
+    }
 ]`