From 04a60c4076b1d41c02187c9f99fde039beff0328 Mon Sep 17 00:00:00 2001
From: freehere107 <freehere107@gmail.com>
Date: Fri, 28 Jul 2023 14:37:58 +0800
Subject: [PATCH] Fix some tips not deciaml type

---
 extrinsic.go    |  4 ++--
 utiles/tools.go | 22 ++++++++++++++++++++++
 2 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/extrinsic.go b/extrinsic.go
index b113bd5..6785333 100644
--- a/extrinsic.go
+++ b/extrinsic.go
@@ -139,10 +139,10 @@ func (e *ExtrinsicDecoder) Process() {
 			e.Nonce = int(e.ProcessAndUpdateData("Compact<U64>").(uint64))
 			if e.Metadata.Extrinsic != nil {
 				if utiles.SliceIndex("ChargeTransactionPayment", e.Metadata.Extrinsic.SignedIdentifier) != -1 {
-					result.Tip = e.ProcessAndUpdateData("Compact<Balance>").(decimal.Decimal)
+					result.Tip = utiles.DecimalFromInterface(e.ProcessAndUpdateData("Compact<Balance>"))
 				}
 			} else {
-				result.Tip = e.ProcessAndUpdateData("Compact<Balance>").(decimal.Decimal)
+				result.Tip = utiles.DecimalFromInterface(e.ProcessAndUpdateData("Compact<Balance>"))
 			}
 			// spec SignedExtensions
 			result.SignedExtensions = make(map[string]interface{})
diff --git a/utiles/tools.go b/utiles/tools.go
index 6b6ca77..a7f555b 100644
--- a/utiles/tools.go
+++ b/utiles/tools.go
@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"github.com/shopspring/decimal"
 	"math/big"
 	"reflect"
 	"strconv"
@@ -168,3 +169,24 @@ func GetEnumValue(e map[string]interface{}) (string, interface{}, error) {
 	}
 	return "", "", errors.New("empty enum")
 }
+
+func DecimalFromInterface(i interface{}) decimal.Decimal {
+	switch i := i.(type) {
+	case int:
+		return decimal.New(int64(i), 0)
+	case int64:
+		return decimal.New(i, 0)
+	case uint64:
+		return decimal.New(int64(i), 0)
+	case float64:
+		return decimal.NewFromFloat(i)
+	case string:
+		r, _ := decimal.NewFromString(i)
+		return r
+	case decimal.Decimal:
+		return i
+	case *big.Int:
+		return decimal.NewFromBigInt(i, 0)
+	}
+	return decimal.Zero
+}