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accounts/abi: return error on fixed bytes with size larger than 32 bytes (#26075)

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* fixed bytes with size larger than 32 bytes is not allowed

* add testcase
This commit is contained in:
zhiqiangxu 2022-11-01 21:28:40 +08:00 committed by GitHub
parent 0c40df5f28
commit 8578eb2fe1
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 10 additions and 0 deletions
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3
accounts/abi/type.go
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@ -154,6 +154,9 @@ func NewType(t string, internalType string, components []ArgumentMarshaling) (ty
if varSize == 0 { if varSize == 0 {
typ.T = BytesTy typ.T = BytesTy
} else { } else {
if varSize > 32 {
return Type{}, fmt.Errorf("unsupported arg type: %s", t)
}
typ.T = FixedBytesTy typ.T = FixedBytesTy
typ.Size = varSize typ.Size = varSize
} }

7
accounts/abi/type_test.go
View File

@ -366,3 +366,10 @@ func TestGetTypeSize(t *testing.T) {
} }
} }
} }
func TestNewFixedBytesOver32(t *testing.T) {
_, err := NewType("bytes4096", "", nil)
if err == nil {
t.Errorf("fixed bytes with size over 32 is not spec'd")
}
}