gistfile1.txt

pub fn data_deserialize<'de, D>(d: D) -> Result<Vec<u8>, D::Error>
where
    D: Deserializer<'de>,
{
    println!("do we hit this function?");
    let s = match String::deserialize(d) {
        Ok(s) => s,
        Err(e) => {
            println!("Did not find a string {}", e);
            return Err(e);
        }
    };
    match hex_str_to_bytes(&s) {
        Ok(v) => Ok(v),
        Err(e) => {
            println!("Error in hex decoding is {}", e);
            Err(serde::de::Error::custom(e))
        }
    }
}

#[derive(Deserialize, Debug)]
pub struct TestDecode {
    #[serde(rename = "transactionHash")]
    pub transaction_hash: Uint256,
}

#[test]
fn decode_num256() {
    let test_string = "{\"transactionHash\":\"0xd6785de92c3d55e22a50ef6a37553b1abd4fc710d3662e38369656d4e747662b\"}";
    println!("{}", test_string);
    let _res: TestDecode = serde_json::from_str(test_string).unwrap();
}

---- types::decode_num256 stdout ----
{"transactionHash":"0xd6785de92c3d55e22a50ef6a37553b1abd4fc710d3662e38369656d4e747662b"}
thread 'types::decode_num256' panicked at 'called `Result::unwrap()` on an `Err` value: Error("invalid digit found in string", line: 1, column: 88)', libcore/result.rs:1009:5
stack backtrace:
   0:     0x55750f5c856f - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h1fd4e34c3d03ef64
                               at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
   1:     0x55750f5d15d7 - std::sys_common::backtrace::print::h714a469856413294
                               at libstd/sys_common/backtrace.rs:71
                               at libstd/sys_common/backtrace.rs:59
   2:     0x55750f5cc2bf - std::panicking::default_hook::{{closure}}::h46fe49f863fa9721
                               at libstd/panicking.rs:211
   3:     0x55750f5cbfbe - std::panicking::default_hook::h12f83bcd26b03624
                               at libstd/panicking.rs:221
   4:     0x55750f5cc99e - std::panicking::rust_panic_with_hook::hde420d6fd4455550
                               at libstd/panicking.rs:476
   5:     0x55750f5cc541 - std::panicking::continue_panic_fmt::h8f394f3c578bcc76
                               at libstd/panicking.rs:390
   6:     0x55750f5cc425 - rust_begin_unwind
                               at libstd/panicking.rs:325
   7:     0x55750f60fb6c - core::panicking::panic_fmt::hca5dc4e8b320bc56
                               at libcore/panicking.rs:77
   8:     0x55750f517240 - core::result::unwrap_failed::h0b0580712feb85a2
                               at libcore/macros.rs:26
   9:     0x55750f515ade - <core::result::Result<T, E>>::unwrap::h165bd3a7179129b9
                               at libcore/result.rs:808
  10:     0x55750f4ba75a - web3::types::decode_num256::hcd27048bbbecef39
                               at web3/src/types.rs:189
  11:     0x55750f50a919 - web3::types::decode_num256::{{closure}}::hab0eb8f6704b9227
                               at web3/src/types.rs:186
  12:     0x55750f4f691d - core::ops::function::FnOnce::call_once::h6233e114506d2a45
                               at libcore/ops/function.rs:238
  13:     0x55750f51ecfe - <F as alloc::boxed::FnBox<A>>::call_box::hdf40d97683d9649e
                               at libtest/lib.rs:1468
                               at libcore/ops/function.rs:238
                               at liballoc/boxed.rs:672
  14:     0x55750f5dc589 - __rust_maybe_catch_panic
                               at libpanic_unwind/lib.rs:102
  15:     0x55750f540972 - std::sys_common::backtrace::__rust_begin_short_backtrace::hf298948d9e20b61e
                               at libstd/panicking.rs:289
                               at libstd/panic.rs:392
                               at libtest/lib.rs:1423
                               at libstd/sys_common/backtrace.rs:136
  16:     0x55750f5413b4 - std::panicking::try::do_call::h2b3625fa2f3b0c89
                               at libstd/thread/mod.rs:409
                               at libstd/panic.rs:313
                               at libstd/panicking.rs:310
  17:     0x55750f5dc589 - __rust_maybe_catch_panic
                               at libpanic_unwind/lib.rs:102
  18:     0x55750f52e63c - <F as alloc::boxed::FnBox<A>>::call_box::h3b07e951b4d3ee63
                               at libstd/panicking.rs:289
                               at libstd/panic.rs:392
                               at libstd/thread/mod.rs:408
                               at liballoc/boxed.rs:672
  19:     0x55750f5ca1bd - std::sys_common::thread::start_thread::h44127e03e78ca137
                               at liballoc/boxed.rs:682
                               at libstd/sys_common/thread.rs:24
  20:     0x55750f5bf935 - std::sys::unix::thread::Thread::new::thread_start::h8f17b97f2223146c
                               at libstd/sys/unix/thread.rs:90
  21:     0x7ff3ec287593 - start_thread
  22:     0x7ff3ebda2f4e - clone
  23:                0x0 - <unknown>

---- types::decode_transaction_response stdout ----