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raw.rs
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raw.rs
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// Copyright 2022 IOTA Stiftung
// SPDX-License-Identifier: Apache-2.0
use std::marker::PhantomData;
use inx::proto;
use packable::{Packable, PackableExt};
use super::InxError;
/// Represents a type as raw bytes.
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct RawMessage<T: Packable> {
data: Vec<u8>,
_phantom: PhantomData<T>,
}
impl<T: Packable> RawMessage<T> {
/// Retrieves the underlying raw data.
#[must_use]
pub fn data(self) -> Vec<u8> {
self.data
}
/// Unpack the raw data into a type `T` using
/// [`ProtocolParameters`](iota_types::block::protocol::ProtocolParameters) to verify the bytes.
pub fn inner(self, visitor: &T::UnpackVisitor) -> Result<T, InxError> {
let unpacked =
T::unpack_verified(self.data, visitor).map_err(|e| InxError::InvalidRawBytes(format!("{e:?}")))?;
Ok(unpacked)
}
/// Unpack the raw data into a type `T` without performing syntactic or semantic validation. This is useful if the
/// type is guaranteed to be well-formed, for example when it was transmitted via the INX interface.
pub fn inner_unverified(self) -> Result<T, InxError> {
let unpacked = T::unpack_unverified(self.data).map_err(|e| InxError::InvalidRawBytes(format!("{e:?}")))?;
Ok(unpacked)
}
}
impl<T: Packable> From<Vec<u8>> for RawMessage<T> {
fn from(value: Vec<u8>) -> Self {
Self {
data: value,
_phantom: PhantomData,
}
}
}
impl From<proto::RawOutput> for RawMessage<iota_types::block::output::Output> {
fn from(value: proto::RawOutput) -> Self {
value.data.into()
}
}
impl From<RawMessage<iota_types::block::output::Output>> for proto::RawOutput {
fn from(value: RawMessage<iota_types::block::output::Output>) -> Self {
Self { data: value.data }
}
}
impl From<proto::RawBlock> for RawMessage<iota_types::block::Block> {
fn from(value: proto::RawBlock) -> Self {
value.data.into()
}
}
impl From<RawMessage<iota_types::block::Block>> for proto::RawBlock {
fn from(value: RawMessage<iota_types::block::Block>) -> Self {
Self { data: value.data }
}
}
impl From<proto::RawMilestone> for RawMessage<iota_types::block::payload::Payload> {
fn from(value: proto::RawMilestone) -> Self {
value.data.into()
}
}
impl From<RawMessage<iota_types::block::payload::Payload>> for proto::RawMilestone {
fn from(value: RawMessage<iota_types::block::payload::Payload>) -> Self {
Self { data: value.data }
}
}
#[cfg(test)]
mod test {
use iota_types::block::{payload::Payload, rand::output::rand_output};
use super::*;
#[test]
fn raw_output() {
let protocol_parameters = iota_types::block::protocol::protocol_parameters();
let output = rand_output(protocol_parameters.token_supply());
let proto = proto::RawOutput {
data: output.pack_to_vec(),
};
let raw: RawMessage<iota_types::block::output::Output> = proto.into();
assert_eq!(output, raw.clone().inner_unverified().unwrap());
assert_eq!(output, raw.inner(&protocol_parameters).unwrap());
}
#[test]
fn raw_milestone() {
// The `RawMilestone` field in the protobuf definitions contains a `Payload`.
let data = vec![
7, 0, 0, 0, 235, 183, 17, 0, 150, 184, 45, 99, 2, 126, 53, 176, 136, 103, 202, 201, 164, 84, 234, 102, 52,
171, 19, 86, 241, 78, 148, 108, 76, 99, 18, 176, 43, 136, 175, 205, 186, 39, 155, 115, 158, 5, 27, 222, 99,
26, 188, 240, 18, 171, 222, 80, 175, 161, 110, 80, 181, 171, 223, 86, 77, 122, 35, 69, 184, 169, 73, 177,
144, 255, 64, 2, 125, 223, 36, 189, 63, 74, 113, 243, 26, 162, 78, 159, 68, 191, 74, 63, 138, 111, 55, 217,
124, 187, 99, 14, 129, 112, 177, 54, 75, 51, 29, 94, 194, 108, 58, 181, 252, 101, 231, 242, 208, 69, 255,
219, 80, 85, 132, 62, 19, 136, 1, 113, 123, 196, 54, 170, 134, 192, 96, 146, 169, 124, 108, 9, 66, 101,
184, 243, 122, 69, 16, 194, 200, 45, 205, 89, 164, 188, 244, 218, 182, 112, 143, 192, 61, 158, 79, 230, 66,
8, 64, 112, 65, 89, 168, 34, 147, 58, 185, 109, 59, 175, 9, 6, 150, 11, 165, 117, 104, 4, 25, 45, 224, 43,
75, 68, 184, 151, 155, 248, 80, 131, 42, 72, 179, 204, 16, 104, 158, 232, 234, 48, 144, 225, 232, 43, 143,
243, 228, 66, 2, 194, 2, 71, 151, 52, 184, 136, 100, 74, 7, 87, 13, 21, 233, 253, 237, 32, 38, 144, 37,
129, 139, 141, 63, 242, 146, 133, 0, 180, 108, 136, 28, 207, 191, 37, 198, 11, 137, 29, 134, 99, 176, 132,
59, 191, 33, 180, 34, 49, 180, 253, 241, 60, 0, 0, 0, 7, 0, 19, 204, 220, 47, 93, 61, 154, 62, 190, 6, 7,
76, 107, 73, 180, 144, 144, 221, 121, 202, 114, 224, 74, 191, 32, 241, 15, 135, 26, 216, 41, 59, 122, 225,
0, 114, 25, 221, 109, 248, 208, 189, 23, 229, 232, 113, 134, 209, 154, 197, 121, 222, 84, 21, 18, 147, 180,
111, 33, 93, 249, 6, 204, 9, 26, 237, 90, 63, 46, 154, 127, 209, 143, 213, 188, 44, 179, 7, 16, 7, 34, 236,
37, 72, 255, 227, 76, 214, 28, 226, 26, 172, 50, 134, 62, 2, 0, 69, 135, 4, 13, 224, 89, 7, 183, 8, 6, 200,
114, 91, 218, 225, 247, 55, 7, 133, 153, 59, 42, 19, 146, 8, 226, 71, 136, 93, 78, 209, 248, 82, 246, 16,
217, 225, 93, 30, 94, 42, 56, 146, 50, 115, 34, 65, 71, 64, 224, 194, 3, 214, 49, 48, 56, 208, 151, 197,
57, 199, 32, 180, 93, 252, 207, 59, 34, 51, 132, 123, 206, 223, 57, 161, 194, 183, 41, 94, 140, 69, 160,
132, 255, 227, 90, 71, 235, 62, 93, 68, 59, 220, 239, 57, 14, 0, 72, 138, 195, 251, 27, 141, 245, 239, 140,
74, 203, 78, 241, 243, 227, 208, 57, 197, 215, 25, 125, 184, 112, 148, 166, 26, 246, 99, 32, 114, 35, 19,
203, 209, 234, 117, 79, 52, 95, 178, 186, 163, 163, 159, 170, 181, 193, 3, 182, 201, 232, 216, 116, 93,
226, 76, 232, 36, 89, 29, 233, 5, 148, 181, 151, 178, 220, 239, 110, 156, 86, 130, 144, 246, 74, 26, 30,
236, 107, 221, 23, 137, 209, 176, 180, 103, 115, 225, 155, 13, 28, 244, 22, 239, 8, 13, 0, 97, 249, 95,
237, 48, 182, 233, 191, 11, 45, 3, 147, 143, 86, 211, 87, 137, 255, 127, 14, 161, 34, 208, 28, 92, 27, 126,
134, 149, 37, 226, 24, 56, 237, 87, 0, 183, 96, 184, 224, 155, 230, 148, 157, 39, 243, 29, 27, 81, 195,
174, 227, 154, 43, 171, 243, 96, 112, 165, 211, 36, 106, 128, 27, 250, 221, 229, 201, 27, 196, 48, 204,
181, 177, 52, 194, 228, 93, 199, 171, 145, 162, 168, 150, 223, 118, 5, 193, 191, 116, 67, 176, 103, 6, 144,
6, 0, 179, 180, 201, 32, 144, 151, 32, 186, 95, 124, 48, 221, 220, 15, 145, 105, 191, 130, 67, 181, 41,
182, 1, 252, 71, 118, 184, 203, 10, 140, 162, 83, 134, 51, 45, 102, 215, 241, 16, 125, 176, 111, 63, 214,
168, 199, 112, 168, 105, 0, 25, 67, 255, 97, 58, 143, 219, 230, 17, 215, 200, 128, 112, 90, 220, 93, 241,
80, 76, 206, 157, 200, 213, 240, 89, 195, 31, 8, 194, 33, 30, 18, 79, 140, 157, 224, 224, 67, 73, 172, 194,
64, 145, 164, 118, 0, 0, 189, 237, 1, 233, 58, 223, 122, 98, 49, 24, 253, 55, 95, 217, 61, 199, 215, 221,
242, 34, 50, 66, 57, 202, 227, 62, 78, 76, 71, 236, 59, 14, 154, 61, 180, 80, 240, 189, 219, 129, 80, 214,
131, 79, 250, 52, 200, 162, 28, 109, 179, 218, 110, 189, 14, 147, 73, 24, 82, 10, 196, 123, 202, 106, 236,
42, 166, 232, 18, 155, 99, 43, 173, 108, 151, 198, 155, 171, 129, 234, 233, 58, 16, 231, 104, 108, 59, 34,
215, 202, 244, 254, 137, 121, 118, 6, 0, 241, 143, 63, 106, 45, 148, 11, 155, 172, 211, 8, 71, 19, 246,
135, 125, 178, 32, 100, 173, 164, 51, 92, 181, 58, 225, 218, 117, 4, 79, 151, 141, 220, 110, 246, 198, 208,
240, 129, 72, 75, 125, 143, 175, 179, 148, 34, 93, 8, 191, 115, 17, 43, 131, 229, 248, 79, 213, 224, 190,
148, 117, 4, 49, 199, 71, 137, 238, 244, 142, 136, 193, 25, 99, 42, 171, 156, 93, 233, 59, 161, 12, 111,
255, 59, 211, 40, 133, 187, 207, 67, 194, 150, 109, 56, 15,
];
let raw = RawMessage::<Payload>::from(data);
assert!(raw.inner_unverified().is_ok());
}
}