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accounts/abi: add TestMakeTopics subtest for mutation of big.Int inputs

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Jordan Krage 2024-11-21 14:40:27 -06:00
parent e3d61e6db0
commit 08a83f18bd
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1 changed files with 17 additions and 0 deletions
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17
accounts/abi/topics_test.go
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@ -149,6 +149,23 @@ func TestMakeTopics(t *testing.T) {
}
})
}
t.Run("does not mutate big.Int", func(t *testing.T) {
t.Parallel()
want := [][]common.Hash{{common.HexToHash("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")}}
in := big.NewInt(-1)
got, err := MakeTopics([]interface{}{in})
if err != nil {
t.Fatalf("makeTopics() error = %v", err)
}
if !reflect.DeepEqual(got, want) {
t.Fatalf("makeTopics() = %v, want %v", got, want)
}
if orig := big.NewInt(-1); in.Cmp(orig) != 0 {
t.Fatalf("makeTopics() mutated an input parameter from %v to %v", orig, in)
}
})
}
type args struct {