cardano_serialization_lib/serialization/witnesses/
bootstrap_witness.rs

1use std::io::{BufRead, Seek, Write};
2use cbor_event::de::Deserializer;
3use cbor_event::se::Serializer;
4use crate::{BootstrapWitness, DeserializeError, DeserializeFailure, Ed25519Signature, Vkey};
5use crate::protocol_types::{CBORSpecial, Deserialize, DeserializeEmbeddedGroup};
6
7impl cbor_event::se::Serialize for BootstrapWitness {
8    fn serialize<'se, W: Write>(
9        &self,
10        serializer: &'se mut Serializer<W>,
11    ) -> cbor_event::Result<&'se mut Serializer<W>> {
12        serializer.write_array(cbor_event::Len::Len(4))?;
13        self.vkey.serialize(serializer)?;
14        self.signature.serialize(serializer)?;
15        serializer.write_bytes(&self.chain_code)?;
16        serializer.write_bytes(&self.attributes)?;
17        Ok(serializer)
18    }
19}
20
21impl Deserialize for BootstrapWitness {
22    fn deserialize<R: BufRead + Seek>(raw: &mut Deserializer<R>) -> Result<Self, DeserializeError> {
23        (|| -> Result<_, DeserializeError> {
24            let len = raw.array()?;
25            let ret = Self::deserialize_as_embedded_group(raw, len);
26            match len {
27                cbor_event::Len::Len(_) =>
28                /* TODO: check finite len somewhere */
29                    {
30                        ()
31                    }
32                cbor_event::Len::Indefinite => match raw.special()? {
33                    CBORSpecial::Break =>
34                    /* it's ok */
35                        {
36                            ()
37                        }
38                    _ => return Err(DeserializeFailure::EndingBreakMissing.into()),
39                },
40            }
41            ret
42        })()
43            .map_err(|e| e.annotate("BootstrapWitness"))
44    }
45}
46
47impl DeserializeEmbeddedGroup for BootstrapWitness {
48    fn deserialize_as_embedded_group<R: BufRead + Seek>(
49        raw: &mut Deserializer<R>,
50        _: cbor_event::Len,
51    ) -> Result<Self, DeserializeError> {
52        let vkey = (|| -> Result<_, DeserializeError> { Ok(Vkey::deserialize(raw)?) })()
53            .map_err(|e| e.annotate("vkey"))?;
54        let signature =
55            (|| -> Result<_, DeserializeError> { Ok(Ed25519Signature::deserialize(raw)?) })()
56                .map_err(|e| e.annotate("signature"))?;
57        let chain_code = (|| -> Result<_, DeserializeError> { Ok(raw.bytes()?) })()
58            .map_err(|e| e.annotate("chain_code"))?;
59        let attributes = (|| -> Result<_, DeserializeError> { Ok(raw.bytes()?) })()
60            .map_err(|e| e.annotate("attributes"))?;
61        Ok(BootstrapWitness {
62            vkey,
63            signature,
64            chain_code,
65            attributes,
66        })
67    }
68}
cardano_serialization_lib/serialization/witnesses/bootstrap_witness.rs

cardano_serialization_lib/serialization/witnesses/
bootstrap_witness.rs
