core/chains/evm/assets: FuzzWei skip large exponents (#11948)

core/chains/evm/assets/wei_test.go

@@ -1,6 +1,8 @@
 package assets
 
 import (
+	"strconv"
+	"strings"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -74,6 +76,9 @@ func FuzzWei(f *testing.F) {
 		if len(v) > 1_000 {
 			t.Skip()
 		}
+		if tryParseExp(v) > 4888888 {
+			t.Skip()
+		}
 		var w Wei
 		err := w.UnmarshalText([]byte(v))
 		if err != nil {
@@ -89,3 +94,15 @@ func FuzzWei(f *testing.F) {
 		require.Equal(t, w, w2, "unequal values after marshal/unmarshal")
 	})
 }
+
+func tryParseExp(v string) int64 {
+	i := strings.IndexAny(v, "Ee")
+	if i == -1 {
+		return -1
+	}
+	e, err := strconv.ParseInt(v[i+1:], 10, 32)
+	if err != nil {
+		return -1
+	}
+	return e
+}