903 lines
27 KiB
Rust
903 lines
27 KiB
Rust
use std::{convert::TryFrom, fmt::Display, io::Write};
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use serde::{
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ser::{self, Impossible},
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Serialize,
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};
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use crate::Error;
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/// A struct that serializes a rust value into the VAA payload wire format.
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pub struct Serializer<W> {
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writer: W,
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}
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impl<W: Write> Serializer<W> {
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pub fn new(writer: W) -> Self {
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Self { writer }
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}
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}
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impl<'a, W: Write> ser::Serializer for &'a mut Serializer<W> {
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type Ok = ();
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type Error = Error;
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type SerializeSeq = Self;
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type SerializeTuple = Self;
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type SerializeTupleStruct = Self;
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type SerializeTupleVariant = Self;
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type SerializeMap = Self;
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type SerializeStruct = Self;
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type SerializeStructVariant = Self;
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#[inline]
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fn serialize_bool(self, v: bool) -> Result<Self::Ok, Self::Error> {
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if v {
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self.writer.write_all(&[1]).map_err(Error::from)
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} else {
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self.writer.write_all(&[0]).map_err(Error::from)
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}
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}
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#[inline]
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fn serialize_i8(self, v: i8) -> Result<Self::Ok, Self::Error> {
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self.writer.write_all(&v.to_be_bytes()).map_err(Error::from)
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}
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#[inline]
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fn serialize_i16(self, v: i16) -> Result<Self::Ok, Self::Error> {
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self.writer.write_all(&v.to_be_bytes()).map_err(Error::from)
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}
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#[inline]
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fn serialize_i32(self, v: i32) -> Result<Self::Ok, Self::Error> {
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self.writer.write_all(&v.to_be_bytes()).map_err(Error::from)
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}
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#[inline]
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fn serialize_i64(self, v: i64) -> Result<Self::Ok, Self::Error> {
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self.writer.write_all(&v.to_be_bytes()).map_err(Error::from)
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}
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#[inline]
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fn serialize_i128(self, v: i128) -> Result<Self::Ok, Self::Error> {
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self.writer.write_all(&v.to_be_bytes()).map_err(Error::from)
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}
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#[inline]
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fn serialize_u8(self, v: u8) -> Result<Self::Ok, Self::Error> {
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self.writer.write_all(&v.to_be_bytes()).map_err(Error::from)
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}
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#[inline]
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fn serialize_u16(self, v: u16) -> Result<Self::Ok, Self::Error> {
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self.writer.write_all(&v.to_be_bytes()).map_err(Error::from)
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}
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#[inline]
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fn serialize_u32(self, v: u32) -> Result<Self::Ok, Self::Error> {
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self.writer.write_all(&v.to_be_bytes()).map_err(Error::from)
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}
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#[inline]
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fn serialize_u64(self, v: u64) -> Result<Self::Ok, Self::Error> {
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self.writer.write_all(&v.to_be_bytes()).map_err(Error::from)
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}
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#[inline]
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fn serialize_u128(self, v: u128) -> Result<Self::Ok, Self::Error> {
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self.writer.write_all(&v.to_be_bytes()).map_err(Error::from)
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}
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#[inline]
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fn serialize_f32(self, _v: f32) -> Result<Self::Ok, Self::Error> {
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Err(Error::Unsupported)
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}
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#[inline]
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fn serialize_f64(self, _v: f64) -> Result<Self::Ok, Self::Error> {
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Err(Error::Unsupported)
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}
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#[inline]
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fn serialize_char(self, v: char) -> Result<Self::Ok, Self::Error> {
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self.serialize_u32(v.into())
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}
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#[inline]
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fn serialize_str(self, v: &str) -> Result<Self::Ok, Self::Error> {
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self.serialize_bytes(v.as_bytes())
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}
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fn serialize_bytes(self, v: &[u8]) -> Result<Self::Ok, Self::Error> {
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let len = u8::try_from(v.len()).map_err(|_| Error::SequenceTooLarge(v.len()))?;
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self.writer.write_all(&[len])?;
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self.writer.write_all(v).map_err(Error::from)
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}
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#[inline]
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fn serialize_none(self) -> Result<Self::Ok, Self::Error> {
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Err(Error::Unsupported)
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}
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#[inline]
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fn serialize_some<T: ?Sized>(self, value: &T) -> Result<Self::Ok, Self::Error>
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where
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T: Serialize,
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{
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value.serialize(self)
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}
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#[inline]
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fn serialize_unit(self) -> Result<Self::Ok, Self::Error> {
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Ok(())
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}
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#[inline]
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fn serialize_unit_struct(self, _name: &'static str) -> Result<Self::Ok, Self::Error> {
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self.serialize_unit()
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}
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fn serialize_unit_variant(
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self,
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name: &'static str,
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_variant_index: u32,
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variant: &'static str,
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) -> Result<Self::Ok, Self::Error> {
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let v: u8 = variant
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.parse()
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.map_err(|e| Error::EnumVariant(name, variant, e))?;
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self.writer.write_all(&[v]).map_err(Error::from)
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}
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fn serialize_newtype_struct<T: ?Sized>(
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self,
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name: &'static str,
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value: &T,
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) -> Result<Self::Ok, Self::Error>
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where
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T: Serialize,
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{
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if name == crate::raw::TOKEN {
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value.serialize(RawMessageSerializer(&mut self.writer))
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} else {
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value.serialize(self)
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}
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}
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fn serialize_newtype_variant<T: ?Sized>(
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self,
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name: &'static str,
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_variant_index: u32,
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variant: &'static str,
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value: &T,
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) -> Result<Self::Ok, Self::Error>
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where
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T: Serialize,
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{
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let v: u8 = variant
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.parse()
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.map_err(|e| Error::EnumVariant(name, variant, e))?;
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self.writer.write_all(&[v])?;
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value.serialize(self)
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}
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fn serialize_tuple_variant(
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self,
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name: &'static str,
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_variant_index: u32,
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variant: &'static str,
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_len: usize,
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) -> Result<Self::SerializeTupleVariant, Self::Error> {
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let v: u8 = variant
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.parse()
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.map_err(|e| Error::EnumVariant(name, variant, e))?;
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self.writer.write_all(&[v])?;
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Ok(self)
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}
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fn serialize_struct_variant(
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self,
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name: &'static str,
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_variant_index: u32,
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variant: &'static str,
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_len: usize,
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) -> Result<Self::SerializeStructVariant, Self::Error> {
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let v: u8 = variant
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.parse()
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.map_err(|e| Error::EnumVariant(name, variant, e))?;
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self.writer.write_all(&[v])?;
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Ok(self)
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}
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fn serialize_seq(self, len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
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let len = len
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.ok_or(Error::UnknownSequenceLength)
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.and_then(|v| u8::try_from(v).map_err(|_| Error::SequenceTooLarge(v)))?;
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self.writer.write_all(&[len])?;
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Ok(self)
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}
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#[inline]
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fn serialize_tuple(self, _len: usize) -> Result<Self::SerializeTuple, Self::Error> {
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Ok(self)
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}
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#[inline]
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fn serialize_tuple_struct(
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self,
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_name: &'static str,
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_len: usize,
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) -> Result<Self::SerializeTupleStruct, Self::Error> {
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Ok(self)
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}
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fn serialize_map(self, len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
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let len = len
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.ok_or(Error::UnknownSequenceLength)
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.and_then(|v| u8::try_from(v).map_err(|_| Error::SequenceTooLarge(v)))?;
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self.writer.write_all(&[len])?;
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Ok(self)
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}
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#[inline]
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fn serialize_struct(
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self,
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_name: &'static str,
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_len: usize,
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) -> Result<Self::SerializeStruct, Self::Error> {
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Ok(self)
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}
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#[inline]
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fn collect_str<T: ?Sized>(self, value: &T) -> Result<Self::Ok, Self::Error>
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where
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T: Display,
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{
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self.serialize_str(&value.to_string())
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}
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#[inline]
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fn is_human_readable(&self) -> bool {
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false
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}
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}
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impl<'a, W: Write> ser::SerializeSeq for &'a mut Serializer<W> {
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type Ok = ();
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type Error = Error;
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#[inline]
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fn serialize_element<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error>
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where
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T: Serialize,
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{
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value.serialize(&mut **self)
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}
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#[inline]
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fn end(self) -> Result<Self::Ok, Self::Error> {
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Ok(())
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}
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}
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impl<'a, W: Write> ser::SerializeTuple for &'a mut Serializer<W> {
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type Ok = ();
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type Error = Error;
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#[inline]
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fn serialize_element<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error>
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where
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T: Serialize,
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{
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value.serialize(&mut **self)
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}
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#[inline]
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fn end(self) -> Result<Self::Ok, Self::Error> {
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Ok(())
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}
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}
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impl<'a, W: Write> ser::SerializeTupleStruct for &'a mut Serializer<W> {
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type Ok = ();
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type Error = Error;
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#[inline]
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fn serialize_field<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error>
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where
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T: Serialize,
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{
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value.serialize(&mut **self)
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}
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#[inline]
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fn end(self) -> Result<Self::Ok, Self::Error> {
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Ok(())
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}
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}
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impl<'a, W: Write> ser::SerializeTupleVariant for &'a mut Serializer<W> {
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type Ok = ();
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type Error = Error;
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#[inline]
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fn serialize_field<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error>
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where
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T: Serialize,
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{
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value.serialize(&mut **self)
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}
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#[inline]
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fn end(self) -> Result<Self::Ok, Self::Error> {
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Ok(())
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}
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}
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impl<'a, W: Write> ser::SerializeStruct for &'a mut Serializer<W> {
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type Ok = ();
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type Error = Error;
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#[inline]
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fn serialize_field<T: ?Sized>(
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&mut self,
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_key: &'static str,
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value: &T,
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) -> Result<(), Self::Error>
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where
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T: Serialize,
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{
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value.serialize(&mut **self)
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}
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#[inline]
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fn end(self) -> Result<Self::Ok, Self::Error> {
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Ok(())
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}
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}
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impl<'a, W: Write> ser::SerializeStructVariant for &'a mut Serializer<W> {
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type Ok = ();
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type Error = Error;
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#[inline]
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fn serialize_field<T: ?Sized>(
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&mut self,
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_key: &'static str,
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value: &T,
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) -> Result<(), Self::Error>
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where
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T: Serialize,
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{
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value.serialize(&mut **self)
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}
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#[inline]
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fn end(self) -> Result<Self::Ok, Self::Error> {
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Ok(())
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}
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}
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impl<'a, W: Write> ser::SerializeMap for &'a mut Serializer<W> {
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type Ok = ();
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type Error = Error;
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#[inline]
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fn serialize_key<T: ?Sized>(&mut self, key: &T) -> Result<(), Self::Error>
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where
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T: Serialize,
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{
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key.serialize(&mut **self)
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}
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#[inline]
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fn serialize_value<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error>
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where
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T: Serialize,
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{
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value.serialize(&mut **self)
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}
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fn serialize_entry<K: ?Sized, V: ?Sized>(
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&mut self,
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key: &K,
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value: &V,
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) -> Result<(), Self::Error>
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where
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K: Serialize,
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V: Serialize,
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{
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self.serialize_key(key)?;
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self.serialize_value(value)
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}
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#[inline]
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fn end(self) -> Result<Self::Ok, Self::Error> {
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Ok(())
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}
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}
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struct RawMessageSerializer<W>(W);
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impl<W: Write> ser::Serializer for RawMessageSerializer<W> {
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type Ok = ();
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type Error = Error;
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type SerializeSeq = Impossible<Self::Ok, Self::Error>;
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type SerializeTuple = Impossible<Self::Ok, Self::Error>;
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type SerializeTupleStruct = Impossible<Self::Ok, Self::Error>;
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type SerializeTupleVariant = Impossible<Self::Ok, Self::Error>;
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type SerializeMap = Impossible<Self::Ok, Self::Error>;
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type SerializeStruct = Impossible<Self::Ok, Self::Error>;
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type SerializeStructVariant = Impossible<Self::Ok, Self::Error>;
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fn serialize_bool(self, _v: bool) -> Result<Self::Ok, Self::Error> {
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Err(ser::Error::custom("expected RawMessage"))
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}
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fn serialize_i8(self, _v: i8) -> Result<Self::Ok, Self::Error> {
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Err(ser::Error::custom("expected RawMessage"))
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}
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fn serialize_i16(self, _v: i16) -> Result<Self::Ok, Self::Error> {
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Err(ser::Error::custom("expected RawMessage"))
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}
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fn serialize_i32(self, _v: i32) -> Result<Self::Ok, Self::Error> {
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Err(ser::Error::custom("expected RawMessage"))
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}
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fn serialize_i64(self, _v: i64) -> Result<Self::Ok, Self::Error> {
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Err(ser::Error::custom("expected RawMessage"))
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}
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fn serialize_i128(self, _v: i128) -> Result<Self::Ok, Self::Error> {
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Err(ser::Error::custom("expected RawMessage"))
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}
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fn serialize_u8(self, _v: u8) -> Result<Self::Ok, Self::Error> {
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Err(ser::Error::custom("expected RawMessage"))
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}
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fn serialize_u16(self, _v: u16) -> Result<Self::Ok, Self::Error> {
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Err(ser::Error::custom("expected RawMessage"))
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}
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fn serialize_u32(self, _v: u32) -> Result<Self::Ok, Self::Error> {
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Err(ser::Error::custom("expected RawMessage"))
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}
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fn serialize_u64(self, _v: u64) -> Result<Self::Ok, Self::Error> {
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Err(ser::Error::custom("expected RawMessage"))
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}
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fn serialize_u128(self, _v: u128) -> Result<Self::Ok, Self::Error> {
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Err(ser::Error::custom("expected RawMessage"))
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}
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fn serialize_f32(self, _v: f32) -> Result<Self::Ok, Self::Error> {
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Err(ser::Error::custom("expected RawMessage"))
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}
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fn serialize_f64(self, _v: f64) -> Result<Self::Ok, Self::Error> {
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Err(ser::Error::custom("expected RawMessage"))
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}
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fn serialize_char(self, _v: char) -> Result<Self::Ok, Self::Error> {
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Err(ser::Error::custom("expected RawMessage"))
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}
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fn serialize_str(self, _v: &str) -> Result<Self::Ok, Self::Error> {
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Err(ser::Error::custom("expected RawMessage"))
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}
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fn serialize_bytes(mut self, v: &[u8]) -> Result<Self::Ok, Self::Error> {
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self.0.write_all(v)?;
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Ok(())
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}
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fn serialize_none(self) -> Result<Self::Ok, Self::Error> {
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Err(ser::Error::custom("expected RawMessage"))
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}
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fn serialize_some<T: ?Sized>(self, _value: &T) -> Result<Self::Ok, Self::Error>
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where
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T: Serialize,
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{
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Err(ser::Error::custom("expected RawMessage"))
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}
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fn serialize_unit(self) -> Result<Self::Ok, Self::Error> {
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Err(ser::Error::custom("expected RawMessage"))
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}
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fn serialize_unit_struct(self, _name: &'static str) -> Result<Self::Ok, Self::Error> {
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Err(ser::Error::custom("expected RawMessage"))
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}
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fn serialize_unit_variant(
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self,
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_name: &'static str,
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_variant_index: u32,
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_variant: &'static str,
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) -> Result<Self::Ok, Self::Error> {
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Err(ser::Error::custom("expected RawMessage"))
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}
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fn serialize_newtype_struct<T: ?Sized>(
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self,
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_name: &'static str,
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_value: &T,
|
|
) -> Result<Self::Ok, Self::Error>
|
|
where
|
|
T: Serialize,
|
|
{
|
|
Err(ser::Error::custom("expected RawMessage"))
|
|
}
|
|
|
|
fn serialize_newtype_variant<T: ?Sized>(
|
|
self,
|
|
_name: &'static str,
|
|
_variant_index: u32,
|
|
_variant: &'static str,
|
|
_value: &T,
|
|
) -> Result<Self::Ok, Self::Error>
|
|
where
|
|
T: Serialize,
|
|
{
|
|
Err(ser::Error::custom("expected RawMessage"))
|
|
}
|
|
|
|
fn serialize_seq(self, _len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
|
|
Err(ser::Error::custom("expected RawMessage"))
|
|
}
|
|
|
|
fn serialize_tuple(self, _len: usize) -> Result<Self::SerializeTuple, Self::Error> {
|
|
Err(ser::Error::custom("expected RawMessage"))
|
|
}
|
|
|
|
fn serialize_tuple_struct(
|
|
self,
|
|
_name: &'static str,
|
|
_len: usize,
|
|
) -> Result<Self::SerializeTupleStruct, Self::Error> {
|
|
Err(ser::Error::custom("expected RawMessage"))
|
|
}
|
|
|
|
fn serialize_tuple_variant(
|
|
self,
|
|
_name: &'static str,
|
|
_variant_index: u32,
|
|
_variant: &'static str,
|
|
_len: usize,
|
|
) -> Result<Self::SerializeTupleVariant, Self::Error> {
|
|
Err(ser::Error::custom("expected RawMessage"))
|
|
}
|
|
|
|
fn serialize_map(self, _len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
|
|
Err(ser::Error::custom("expected RawMessage"))
|
|
}
|
|
|
|
fn serialize_struct(
|
|
self,
|
|
_name: &'static str,
|
|
_len: usize,
|
|
) -> Result<Self::SerializeStruct, Self::Error> {
|
|
Err(ser::Error::custom("expected RawMessage"))
|
|
}
|
|
|
|
fn serialize_struct_variant(
|
|
self,
|
|
_name: &'static str,
|
|
_variant_index: u32,
|
|
_variant: &'static str,
|
|
_len: usize,
|
|
) -> Result<Self::SerializeStructVariant, Self::Error> {
|
|
Err(ser::Error::custom("expected RawMessage"))
|
|
}
|
|
|
|
fn is_human_readable(&self) -> bool {
|
|
false
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use std::{borrow::Cow, collections::BTreeMap};
|
|
|
|
use serde::{Deserialize, Serialize};
|
|
|
|
use crate::{to_vec, to_writer, Error};
|
|
|
|
#[test]
|
|
fn empty_buffer() {
|
|
to_writer(&mut [][..], &0xcc1a_7e0e_31f4_eae4u64)
|
|
.expect_err("serialized data to empty buffer");
|
|
}
|
|
|
|
#[test]
|
|
fn bool() {
|
|
assert_eq!(to_vec(&true).unwrap(), &[1]);
|
|
assert_eq!(to_vec(&false).unwrap(), &[0]);
|
|
}
|
|
|
|
#[test]
|
|
fn integers() {
|
|
macro_rules! check {
|
|
($v:ident, $ty:ty) => {
|
|
// Casting an integer from a larger width to a smaller width will truncate the
|
|
// upper bits.
|
|
let v = $v as $ty;
|
|
let expected = v.to_be_bytes();
|
|
|
|
let actual = to_vec(&v).expect("failed to serialize integer");
|
|
assert_eq!(actual, &expected);
|
|
};
|
|
($v:ident, $($ty:ty),*) => {
|
|
$(
|
|
check!($v, $ty);
|
|
)*
|
|
};
|
|
}
|
|
|
|
// Value randomly generated from `dd if=/dev/urandom | xxd -p -l 16`.
|
|
let v = 0x46b1_265e_2f09_2e98_15c5_4c28_5c53_986cu128;
|
|
check!(v, i8, i16, i32, i64, i128, u8, u16, u32, u64, u128);
|
|
}
|
|
|
|
#[test]
|
|
fn strings() {
|
|
let buf = "Löwe 老虎 Léopard";
|
|
|
|
let expected = IntoIterator::into_iter([buf.len() as u8])
|
|
.chain(buf.as_bytes().iter().copied())
|
|
.collect::<Vec<u8>>();
|
|
let actual = to_vec(buf).unwrap();
|
|
assert_eq!(expected, actual);
|
|
|
|
let actual = to_vec(&buf.to_string()).unwrap();
|
|
assert_eq!(expected, actual);
|
|
|
|
let actual = to_vec(&"").unwrap();
|
|
assert_eq!(&[0], &*actual);
|
|
}
|
|
|
|
#[test]
|
|
fn maps() {
|
|
let m = BTreeMap::from([
|
|
(0xb74909e6u32, 0xe3a9db9cu32),
|
|
(0x383c5309u32, 0x5c6b2d54u32),
|
|
]);
|
|
|
|
let expected = [
|
|
0x02, 0x38, 0x3c, 0x53, 0x09, 0x5c, 0x6b, 0x2d, 0x54, 0xb7, 0x49, 0x09, 0xe6, 0xe3,
|
|
0xa9, 0xdb, 0x9c,
|
|
];
|
|
let actual = to_vec(&m).unwrap();
|
|
assert_eq!(actual, expected);
|
|
|
|
let actual = to_vec(&BTreeMap::<u32, u32>::new()).unwrap();
|
|
assert_eq!(actual, [0]);
|
|
}
|
|
|
|
#[test]
|
|
fn empty_bytes() {
|
|
let expected = [0x0];
|
|
let actual = to_vec::<Vec<u16>>(&vec![]).unwrap();
|
|
assert_eq!(actual, &expected);
|
|
|
|
let actual = to_vec::<[u16]>(&[]).unwrap();
|
|
assert_eq!(actual, &expected);
|
|
}
|
|
|
|
#[test]
|
|
fn bytes() {
|
|
let expected = [
|
|
0x40, 0xff, 0x17, 0xc6, 0x15, 0xa4, 0x7c, 0x3c, 0x8c, 0xf3, 0x8b, 0x9f, 0x88, 0x31,
|
|
0xc4, 0x46, 0x07, 0xcb, 0xe9, 0x2d, 0xc4, 0x59, 0xaf, 0x34, 0x5a, 0x32, 0x66, 0x8c,
|
|
0x05, 0xc9, 0x3d, 0xab, 0x4f, 0xd2, 0x8a, 0xb6, 0x2e, 0x68, 0x58, 0x45, 0xef, 0x56,
|
|
0x27, 0x1a, 0xb6, 0xe0, 0x17, 0x47, 0xf3, 0xb8, 0x5d, 0xbd, 0x1b, 0x92, 0xd9, 0xdd,
|
|
0xe2, 0x99, 0x04, 0xbb, 0x67, 0xf7, 0x9f, 0xe1, 0xe1,
|
|
];
|
|
|
|
let actual = to_vec(&expected[1..].to_vec()).unwrap();
|
|
assert_eq!(actual, expected);
|
|
|
|
let actual = to_vec(&expected[1..]).unwrap();
|
|
assert_eq!(actual, expected);
|
|
}
|
|
|
|
#[test]
|
|
fn max_bytes() {
|
|
let expected = [
|
|
0xff, 0x79, 0xce, 0xa2, 0x42, 0xd5, 0x8d, 0x0a, 0xaf, 0xa1, 0x72, 0x01, 0x92, 0xfc,
|
|
0x23, 0x4f, 0x80, 0x56, 0x9d, 0xff, 0x9d, 0x44, 0x30, 0xe3, 0x22, 0xb6, 0xd5, 0x11,
|
|
0xdd, 0xbe, 0x68, 0x6b, 0x34, 0x53, 0x5a, 0x97, 0x1b, 0x22, 0x96, 0x6c, 0xd5, 0xc6,
|
|
0x08, 0x2a, 0xf0, 0x1b, 0x74, 0x22, 0xe8, 0xdf, 0xcd, 0xad, 0xa0, 0x75, 0x43, 0x84,
|
|
0xf5, 0x43, 0x66, 0x38, 0x42, 0x66, 0xbb, 0xa1, 0x10, 0x54, 0x6a, 0x00, 0x4c, 0x9c,
|
|
0x0d, 0x53, 0xed, 0x72, 0xc7, 0x6c, 0x9c, 0x86, 0x75, 0xbe, 0x7d, 0xf3, 0x54, 0x70,
|
|
0x25, 0xda, 0x96, 0x9b, 0xc8, 0x6e, 0xc5, 0xc1, 0x56, 0xcf, 0x5a, 0x8d, 0xe1, 0x12,
|
|
0x8d, 0xd7, 0x06, 0x33, 0xc5, 0x25, 0xf2, 0x31, 0xa2, 0x42, 0x3b, 0xc8, 0x30, 0xc9,
|
|
0x1e, 0x51, 0xa5, 0x6a, 0x52, 0x0d, 0x6c, 0xbb, 0xc7, 0xde, 0x44, 0x8e, 0xe0, 0x80,
|
|
0x00, 0xcf, 0x4b, 0xf1, 0x5e, 0xff, 0x68, 0x9d, 0xb5, 0x13, 0xad, 0x71, 0x6a, 0x94,
|
|
0x0d, 0x68, 0x37, 0x7f, 0x68, 0x47, 0xf6, 0x03, 0xc5, 0x08, 0xf2, 0x47, 0x90, 0x7d,
|
|
0x29, 0xd8, 0xeb, 0x7d, 0xc2, 0xbb, 0xaa, 0xea, 0x0b, 0x1a, 0x73, 0x44, 0xd1, 0x35,
|
|
0x42, 0x79, 0xd8, 0x2b, 0x99, 0xbb, 0x75, 0xb7, 0xad, 0x54, 0xd3, 0xbb, 0x7b, 0xa3,
|
|
0x4d, 0x3a, 0xea, 0x74, 0xbe, 0x82, 0x40, 0xac, 0x63, 0x6e, 0x03, 0x38, 0x3c, 0x57,
|
|
0xa2, 0x02, 0x8b, 0x6c, 0xc9, 0x32, 0x9f, 0x6a, 0x35, 0x8f, 0x2d, 0x4e, 0x4d, 0xc6,
|
|
0x2b, 0x51, 0x08, 0x02, 0x35, 0x03, 0x45, 0xa1, 0x13, 0x0a, 0xad, 0x3c, 0x53, 0x90,
|
|
0x18, 0xe1, 0x89, 0xf2, 0xeb, 0xf1, 0x57, 0x2d, 0x32, 0xc1, 0x1a, 0x46, 0x8d, 0x72,
|
|
0xe4, 0x39, 0xbb, 0x75, 0xda, 0x85, 0xec, 0x8d, 0x98, 0x31, 0xf2, 0xfb, 0x20, 0x9a,
|
|
0x4e, 0x9c, 0xe6, 0x8c,
|
|
];
|
|
|
|
let actual = to_vec(&expected[1..].to_vec()).unwrap();
|
|
assert_eq!(actual, expected);
|
|
|
|
let actual = to_vec(&expected[1..]).unwrap();
|
|
assert_eq!(actual, expected);
|
|
}
|
|
|
|
#[test]
|
|
fn data_too_large() {
|
|
let e =
|
|
to_vec(&vec![0u16; 300]).expect_err("serialized sequence with more than 255 entries");
|
|
assert!(matches!(e, Error::SequenceTooLarge(300)));
|
|
}
|
|
|
|
#[test]
|
|
fn tagged_enums() {
|
|
#[derive(Serialize, Deserialize)]
|
|
enum TestEnum<'a> {
|
|
#[serde(rename = "19")]
|
|
Unit,
|
|
#[serde(rename = "235")]
|
|
NewType(u64),
|
|
#[serde(rename = "179")]
|
|
Tuple(u32, u64, Vec<u16>),
|
|
#[serde(rename = "97")]
|
|
Struct {
|
|
#[serde(borrow, with = "serde_bytes")]
|
|
data: Cow<'a, [u8]>,
|
|
footer: u32,
|
|
},
|
|
}
|
|
|
|
assert_eq!(to_vec(&TestEnum::Unit).unwrap(), &[19]);
|
|
|
|
let expected = [235, 0xa7, 0xc5, 0x31, 0x9c, 0x8d, 0x87, 0x48, 0xd2];
|
|
assert_eq!(
|
|
to_vec(&TestEnum::NewType(0xa7c5319c8d8748d2)).unwrap(),
|
|
&expected
|
|
);
|
|
|
|
let expected = [
|
|
179, 0x60, 0xfb, 0x4d, 0x0d, 0xc4, 0x98, 0x40, 0x65, 0xf5, 0xdb, 0xbf, 0x3c, 0x05,
|
|
0xa9, 0xca, 0xb9, 0xe7, 0x96, 0x3b, 0x74, 0xfa, 0x82, 0xb2,
|
|
];
|
|
let value = TestEnum::Tuple(
|
|
0x60fb4d0d,
|
|
0xc4984065f5dbbf3c,
|
|
vec![0xa9ca, 0xb9e7, 0x963b, 0x74fa, 0x82b2],
|
|
);
|
|
assert_eq!(to_vec(&value).unwrap(), &expected);
|
|
|
|
let expected = [
|
|
97, 0x0b, 0xc2, 0xfd, 0xd6, 0xa1, 0xed, 0x8a, 0x12, 0x46, 0xd4, 0x20, 0xaf, 0xcc, 0x88,
|
|
0x8c, 0xd2,
|
|
];
|
|
let value = TestEnum::Struct {
|
|
data: Cow::Owned(vec![
|
|
0xc2, 0xfd, 0xd6, 0xa1, 0xed, 0x8a, 0x12, 0x46, 0xd4, 0x20, 0xaf,
|
|
]),
|
|
footer: 0xcc888cd2,
|
|
};
|
|
assert_eq!(to_vec(&value).unwrap(), &expected);
|
|
}
|
|
|
|
#[test]
|
|
fn complex_struct() {
|
|
#[derive(Debug, Eq, PartialEq, Serialize, Deserialize)]
|
|
struct Address<'a> {
|
|
#[serde(borrow, with = "serde_bytes")]
|
|
bytes: Cow<'a, [u8]>,
|
|
}
|
|
|
|
#[derive(Debug, Eq, PartialEq, Serialize, Deserialize)]
|
|
struct Info<'a> {
|
|
#[serde(borrow)]
|
|
addrs: Vec<Address<'a>>,
|
|
expiration: u64,
|
|
}
|
|
|
|
#[derive(Debug, Eq, PartialEq, Serialize, Deserialize)]
|
|
struct Upgrade<'a> {
|
|
index: u32,
|
|
#[serde(borrow)]
|
|
info: Info<'a>,
|
|
}
|
|
|
|
let expected = [
|
|
0x00, 0x00, 0x00, 0x07, 0x0d, 0x14, 0x4f, 0x58, 0x50, 0x9e, 0xb6, 0x8b, 0x9d, 0x19,
|
|
0x9e, 0x00, 0x92, 0x5e, 0xcb, 0x0f, 0xfd, 0x53, 0x80, 0x06, 0xfe, 0xc3, 0x14, 0xb6,
|
|
0x7c, 0xd5, 0xef, 0x88, 0x00, 0xa7, 0xbc, 0xba, 0x2e, 0xfb, 0x91, 0x09, 0x33, 0xee,
|
|
0x51, 0xdd, 0x02, 0x24, 0x35, 0x14, 0x2b, 0x05, 0x87, 0x83, 0x8a, 0x2a, 0xe9, 0xc4,
|
|
0x0e, 0x54, 0x28, 0x11, 0xc2, 0x99, 0x33, 0xa8, 0x65, 0xd4, 0x6c, 0x3d, 0x14, 0x08,
|
|
0xd2, 0xb5, 0x03, 0x64, 0xb5, 0x27, 0x7f, 0xf0, 0xaf, 0x90, 0x6d, 0x03, 0x10, 0x21,
|
|
0xb3, 0x20, 0xdd, 0xfb, 0xda, 0x14, 0xec, 0xc9, 0x7d, 0x9d, 0x6c, 0x68, 0x4e, 0x43,
|
|
0x6e, 0x39, 0x51, 0xe0, 0xa8, 0x6f, 0x49, 0xf1, 0xf4, 0xd3, 0xdb, 0x2a, 0x14, 0x11,
|
|
0xed, 0x25, 0xe6, 0x6b, 0xed, 0x56, 0x25, 0x87, 0xb4, 0x1c, 0x94, 0x9c, 0x81, 0xcf,
|
|
0x2c, 0x34, 0xb8, 0x5e, 0xc3, 0x14, 0x3d, 0x82, 0xcb, 0x29, 0xe8, 0xa7, 0x34, 0x37,
|
|
0x3a, 0x46, 0x07, 0xa4, 0xf2, 0xb3, 0x94, 0xb0, 0x73, 0xed, 0x86, 0x3b, 0x14, 0x99,
|
|
0xa4, 0xb5, 0x89, 0x01, 0x59, 0x18, 0x01, 0x08, 0x53, 0xcf, 0x17, 0x21, 0x14, 0x65,
|
|
0xcf, 0x05, 0x7f, 0xaa, 0x5d, 0x14, 0xcc, 0x38, 0x3b, 0x85, 0xde, 0xc2, 0x59, 0xe6,
|
|
0x22, 0xee, 0xa4, 0xea, 0x83, 0x72, 0x08, 0x7e, 0xdf, 0xea, 0xe1, 0xc3, 0x14, 0x7a,
|
|
0xd9, 0x4d, 0x53, 0x9c, 0xc2, 0xff, 0xe3, 0x1d, 0xd6, 0x60, 0x78, 0x31, 0xb3, 0x2f,
|
|
0x76, 0x12, 0xb7, 0xc7, 0xaf, 0x14, 0x10, 0x88, 0xf6, 0x6f, 0x1d, 0x27, 0x2d, 0xad,
|
|
0x5b, 0x48, 0xca, 0xaf, 0xba, 0x63, 0x99, 0xbe, 0x23, 0x3b, 0xd5, 0xca, 0x14, 0x49,
|
|
0x91, 0xa9, 0x0f, 0x47, 0xcd, 0xfe, 0xdb, 0xd6, 0xfb, 0xb3, 0xe9, 0xa4, 0xc2, 0xc2,
|
|
0x15, 0xb3, 0xe7, 0xe5, 0xb6, 0x14, 0xdd, 0xe3, 0x77, 0xb0, 0xc3, 0x1b, 0x56, 0x2c,
|
|
0x90, 0x67, 0x88, 0xc6, 0xc5, 0xa5, 0xd8, 0xb8, 0xee, 0xc3, 0xa0, 0x87, 0x90, 0xe4,
|
|
0x9c, 0x5d, 0xcb, 0x20, 0x07, 0x92,
|
|
];
|
|
let value = Upgrade {
|
|
index: 7,
|
|
info: Info {
|
|
addrs: vec![
|
|
Address {
|
|
bytes: Cow::Borrowed(&expected[6..26]),
|
|
},
|
|
Address {
|
|
bytes: Cow::Borrowed(&expected[27..47]),
|
|
},
|
|
Address {
|
|
bytes: Cow::Borrowed(&expected[48..68]),
|
|
},
|
|
Address {
|
|
bytes: Cow::Borrowed(&expected[69..89]),
|
|
},
|
|
Address {
|
|
bytes: Cow::Borrowed(&expected[90..110]),
|
|
},
|
|
Address {
|
|
bytes: Cow::Borrowed(&expected[111..131]),
|
|
},
|
|
Address {
|
|
bytes: Cow::Borrowed(&expected[132..152]),
|
|
},
|
|
Address {
|
|
bytes: Cow::Borrowed(&expected[153..173]),
|
|
},
|
|
Address {
|
|
bytes: Cow::Borrowed(&expected[174..194]),
|
|
},
|
|
Address {
|
|
bytes: Cow::Borrowed(&expected[195..215]),
|
|
},
|
|
Address {
|
|
bytes: Cow::Borrowed(&expected[216..236]),
|
|
},
|
|
Address {
|
|
bytes: Cow::Borrowed(&expected[237..257]),
|
|
},
|
|
Address {
|
|
bytes: Cow::Borrowed(&expected[258..278]),
|
|
},
|
|
],
|
|
expiration: 0x90e4_9c5d_cb20_0792,
|
|
},
|
|
};
|
|
|
|
let actual = to_vec(&value).unwrap();
|
|
assert_eq!(actual, expected);
|
|
}
|
|
}
|