add custom errors

GregTheGreek · GregTheGreek · commit 3441869acd17 · 2025-11-25T15:57:38.000-05:00
diff --git a/protocol/lighter/api.go b/protocol/lighter/api.go
@@ -59,12 +59,18 @@ func (tx *LighterTx) UnmarshalJSON(data []byte) error {
 		return err
 	}
 
+	if tx.Code != 200 {
+		return fmt.Errorf("lighter error: code %d, message: %s", tx.Code, tx.Info)
+	}
+
 	if tx.Type == TxTypeL2Transfer {
 		var t *Transfer
 		if err := json.Unmarshal([]byte(tx.Info), &t); err != nil {
-			return err
+			return fmt.Errorf("failed to unmarshal transfer: %w", err)
 		}
 		tx.Transfer = t
+	} else {
+		return fmt.Errorf("invalid transaction type: %d", tx.Type)
 	}
 
 	return nil

Original file line number	Diff line number	Diff line change
`@@ -59,12 +59,18 @@ func (tx *LighterTx) UnmarshalJSON(data []byte) error {`
`59`	`59`	`return err`
`60`	`60`	`}`
`61`	`61`
	`62`	`+ if tx.Code != 200 {`
	`63`	`+ return fmt.Errorf("lighter error: code %d, message: %s", tx.Code, tx.Info)`
	`64`	`+ }`
	`65`	`+`
`62`	`66`	`if tx.Type == TxTypeL2Transfer {`
`63`	`67`	`var t *Transfer`
`64`	`68`	`if err := json.Unmarshal([]byte(tx.Info), &t); err != nil {`
`65`		`- return err`
	`69`	`+ return fmt.Errorf("failed to unmarshal transfer: %w", err)`
`66`	`70`	`}`
`67`	`71`	`tx.Transfer = t`
	`72`	`+ } else {`
	`73`	`+ return fmt.Errorf("invalid transaction type: %d", tx.Type)`
`68`	`74`	`}`
`69`	`75`
`70`	`76`	`return nil`