feat: get support chain api

src/util/constant/errno.go

@@ -13,25 +13,31 @@ var Errno = map[int]string{
 	10008: "order does not exist",
 	10009: "failed to parse request params",
 	10010: "order status already changed",
-	10011: "supported asset already exists",
-	10012: "supported asset not found",
+	10011: "exceeded maximum sub-order limit",
+	10012: "cannot switch network on a sub-order",
+	10013: "order is not awaiting payment",
+	10014: "supported asset already exists",
+	10015: "supported asset not found",
 }
 
 var (
-	SystemErr                   = Err(400)
-	SignatureErr                = Err(401)
-	WalletAddressAlreadyExists  = Err(10001)
-	OrderAlreadyExists          = Err(10002)
-	NotAvailableWalletAddress   = Err(10003)
-	PayAmountErr                = Err(10004)
-	NotAvailableAmountErr       = Err(10005)
-	RateAmountErr               = Err(10006)
-	OrderBlockAlreadyProcess    = Err(10007)
-	OrderNotExists              = Err(10008)
-	ParamsMarshalErr            = Err(10009)
-	OrderStatusConflict         = Err(10010)
-	SupportedAssetAlreadyExists = Err(10011)
-	SupportedAssetNotFound      = Err(10012)
+	SystemErr                  = Err(400)
+	SignatureErr               = Err(401)
+	WalletAddressAlreadyExists = Err(10001)
+	OrderAlreadyExists         = Err(10002)
+	NotAvailableWalletAddress  = Err(10003)
+	PayAmountErr               = Err(10004)
+	NotAvailableAmountErr      = Err(10005)
+	RateAmountErr              = Err(10006)
+	OrderBlockAlreadyProcess   = Err(10007)
+	OrderNotExists             = Err(10008)
+	ParamsMarshalErr           = Err(10009)
+	OrderStatusConflict        = Err(10010)
+	SubOrderLimitExceeded      = Err(10011)
+	CannotSwitchSubOrder       = Err(10012)
+	OrderNotWaitPay            = Err(10013)
+	SupportedAssetAlreadyExists = Err(10014)
+	SupportedAssetNotFound      = Err(10015)
 )
 
 type RspError struct {