common errors

common/errors.go

@@ -3,3 +3,13 @@ package common
 import "errors"
 
 var errInvalidWalletType = errors.New("invalid/unknown wallet type")
+
+var ErrNilWallet = errors.New("nil wallet provided")
+
+var ErrNilProxy = errors.New("nil proxy provided")
+
+var ErrNilTxInteractor = errors.New("nil tx interactor provided")
+
+var ErrNilDataFormatter = errors.New("nil data formatter provided")
+
+var ErrNilNonceHandler = errors.New("nil nonce handler provided")

server/txSender/errors.go

@@ -2,14 +2,4 @@ package txSender
 
 import "errors"
 
-var errNilWallet = errors.New("nil wallet provided")
-
-var errNilProxy = errors.New("nil proxy provided")
-
-var errNilTxInteractor = errors.New("nil tx interactor provided")
-
-var errNilDataFormatter = errors.New("nil data formatter provided")
-
-var errNilNonceHandler = errors.New("nil nonce handler provided")
-
 var errNoSCBridgeAddress = errors.New("no sc bridge address provided")

server/txSender/txSender.go

@@ -54,19 +54,19 @@ func NewTxSender(args TxSenderArgs) (*txSender, error) {
 
 func checkArgs(args TxSenderArgs) error {
 	if check.IfNil(args.Wallet) {
-		return errNilWallet
+		return common.ErrNilWallet
 	}
 	if check.IfNil(args.Proxy) {
-		return errNilProxy
+		return common.ErrNilProxy
 	}
 	if check.IfNil(args.TxInteractor) {
-		return errNilTxInteractor
+		return common.ErrNilTxInteractor
 	}
 	if check.IfNil(args.DataFormatter) {
-		return errNilDataFormatter
+		return common.ErrNilDataFormatter
 	}
 	if check.IfNil(args.TxNonceHandler) {
-		return errNilNonceHandler
+		return common.ErrNilNonceHandler
 	}
 	if len(args.SCBridgeAddress) == 0 {
 		return errNoSCBridgeAddress