fix: parseNetworkAndChainIDFromString logic

schema/network/ethereum_chain.go

@@ -26,7 +26,7 @@ func ParseNetworkAndChainIDFromString(networkString string) (Network, EthereumCh
 	}
 
 	chainID, err := EthereumChainIDString(networkString)
-	if err != nil {
+	if err == nil {
 		return network, chainID
 	}
 

schema/network/ethereum_chain_test.go

@@ -0,0 +1,45 @@
+package network
+
+import (
+	"testing"
+)
+
+func TestParseNetworkAndChainIDFromString(t *testing.T) {
+	testCases := []struct {
+		name            string
+		networkString   string
+		expectedNet     Network
+		expectedChainID EthereumChainID
+	}{
+		{
+			name:            "Mainnet",
+			networkString:   "ethereum",
+			expectedNet:     Ethereum,
+			expectedChainID: EthereumChainIDMainnet,
+		},
+		{
+			name:            "Arbitrum",
+			networkString:   "arbitrum",
+			expectedNet:     Arbitrum,
+			expectedChainID: EthereumChainIDArbitrum,
+		},
+		{
+			name:            "Unknown",
+			networkString:   "unknown",
+			expectedNet:     Unknown,
+			expectedChainID: 0,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			network, chainID := ParseNetworkAndChainIDFromString(tc.networkString)
+			if network != tc.expectedNet {
+				t.Errorf("Expected network %s, got %s", tc.expectedNet, network)
+			}
+			if chainID != tc.expectedChainID {
+				t.Errorf("Expected chainID %d, got %d", tc.expectedChainID, chainID)
+			}
+		})
+	}
+}