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fix!: don't include duplicate unique ID in same block
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108 changes: 108 additions & 0 deletions
108
base_layer/core/src/consensus/consensus_encoding/bytes.rs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| // Copyright 2022, The Tari Project | ||
| // | ||
| // Redistribution and use in source and binary forms, with or without modification, are permitted provided that the | ||
| // following conditions are met: | ||
| // | ||
| // 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following | ||
| // disclaimer. | ||
| // | ||
| // 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the | ||
| // following disclaimer in the documentation and/or other materials provided with the distribution. | ||
| // | ||
| // 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote | ||
| // products derived from this software without specific prior written permission. | ||
| // | ||
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, | ||
| // INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | ||
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | ||
| // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | ||
| // USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
|
|
||
| use std::{ | ||
| io, | ||
| io::{Error, Read, Write}, | ||
| }; | ||
|
|
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| use integer_encoding::{VarInt, VarIntReader, VarIntWriter}; | ||
|
|
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| use crate::consensus::{ConsensusDecoding, ConsensusEncoding, ConsensusEncodingSized}; | ||
|
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| impl ConsensusEncoding for Vec<u8> { | ||
| fn consensus_encode<W: Write>(&self, writer: &mut W) -> Result<usize, io::Error> { | ||
| let len = self.len(); | ||
| let mut written = writer.write_varint(len)?; | ||
| written += writer.write(self)?; | ||
| Ok(written) | ||
| } | ||
| } | ||
|
|
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| impl ConsensusEncodingSized for Vec<u8> { | ||
| fn consensus_encode_exact_size(&self) -> usize { | ||
| let len = self.len(); | ||
| len.required_space() + len | ||
| } | ||
| } | ||
|
|
||
| pub struct MaxSizeBytes<const MAX: usize> { | ||
| inner: Vec<u8>, | ||
| } | ||
|
|
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| impl<const MAX: usize> From<MaxSizeBytes<MAX>> for Vec<u8> { | ||
| fn from(value: MaxSizeBytes<MAX>) -> Self { | ||
| value.inner | ||
| } | ||
| } | ||
|
|
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| impl<const MAX: usize> ConsensusDecoding for MaxSizeBytes<MAX> { | ||
| fn consensus_decode<R: Read>(reader: &mut R) -> Result<Self, Error> { | ||
| let len = reader.read_varint()?; | ||
| if len > MAX { | ||
| return Err(io::Error::new( | ||
| io::ErrorKind::InvalidInput, | ||
| format!("Vec size ({}) exceeded maximum ({})", len, MAX), | ||
| )); | ||
| } | ||
| let mut bytes = vec![0u8; len]; | ||
| reader.read_exact(&mut bytes)?; | ||
| Ok(Self { inner: bytes }) | ||
| } | ||
| } | ||
|
|
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| impl ConsensusEncoding for &[u8] { | ||
| fn consensus_encode<W: Write>(&self, writer: &mut W) -> Result<usize, io::Error> { | ||
| let len = self.len(); | ||
| let mut written = writer.write_varint(len)?; | ||
| written += writer.write(self)?; | ||
| Ok(written) | ||
| } | ||
| } | ||
|
|
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| impl ConsensusEncodingSized for &[u8] { | ||
| fn consensus_encode_exact_size(&self) -> usize { | ||
| self.len() | ||
| } | ||
| } | ||
|
|
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| impl<const N: usize> ConsensusEncoding for [u8; N] { | ||
| fn consensus_encode<W: Write>(&self, writer: &mut W) -> Result<usize, Error> { | ||
| // For fixed length types we dont need a length byte | ||
| writer.write_all(&self[..])?; | ||
| Ok(N) | ||
| } | ||
| } | ||
|
|
||
| impl<const N: usize> ConsensusEncodingSized for [u8; N] { | ||
| fn consensus_encode_exact_size(&self) -> usize { | ||
| N | ||
| } | ||
| } | ||
|
|
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| impl<const N: usize> ConsensusDecoding for [u8; N] { | ||
| fn consensus_decode<R: Read>(reader: &mut R) -> Result<Self, Error> { | ||
| let mut buf = [0u8; N]; | ||
| reader.read_exact(&mut buf)?; | ||
| Ok(buf) | ||
| } | ||
| } |
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