Removes Snowbridge parachain directory (#3186)

Removes the `bridges/snowbridge/parachain` directory and moves everything up to under `snowbridge` directly. We are cleaning up our local dev env after merging our crates into the polkadot-sdk. --------- Co-authored-by: claravanstaden <Cats 4 life!>
2026-07-15 18:25:43 +00:00 · 2024-02-02 19:08:36 +02:00
parent 700d5f85b7
commit 2ab3f03f0b
122 changed files with 199 additions and 529 deletions
@@ -0,0 +1,130 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+use sp_core::U256;
+
+use core::fmt::Formatter;
+use serde::{Deserialize, Deserializer};
+
+// helper to deserialize arbitrary arrays like [T; N]
+pub mod arrays {
+	use std::{convert::TryInto, marker::PhantomData};
+
+	use serde::{
+		de::{SeqAccess, Visitor},
+		ser::SerializeTuple,
+		Deserialize, Deserializer, Serialize, Serializer,
+	};
+
+	pub fn serialize<S: Serializer, T: Serialize, const N: usize>(
+		data: &[T; N],
+		ser: S,
+	) -> Result<S::Ok, S::Error> {
+		let mut s = ser.serialize_tuple(N)?;
+		for item in data {
+			s.serialize_element(item)?;
+		}
+		s.end()
+	}
+
+	struct ArrayVisitor<T, const N: usize>(PhantomData<T>);
+
+	impl<'de, T, const N: usize> Visitor<'de> for ArrayVisitor<T, N>
+	where
+		T: Deserialize<'de>,
+	{
+		type Value = [T; N];
+
+		fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
+			formatter.write_str(&format!("an array of length {}", N))
+		}
+
+		#[inline]
+		fn visit_seq<A>(self, mut seq: A) -> Result<Self::Value, A::Error>
+		where
+			A: SeqAccess<'de>,
+		{
+			// can be optimized using MaybeUninit
+			let mut data = Vec::with_capacity(N);
+			for _ in 0..N {
+				match (seq.next_element())? {
+					Some(val) => data.push(val),
+					None => return Err(serde::de::Error::invalid_length(N, &self)),
+				}
+			}
+			match data.try_into() {
+				Ok(arr) => Ok(arr),
+				Err(_) => unreachable!(),
+			}
+		}
+	}
+
+	pub fn deserialize<'de, D, T, const N: usize>(deserializer: D) -> Result<[T; N], D::Error>
+	where
+		D: Deserializer<'de>,
+		T: Deserialize<'de>,
+	{
+		deserializer.deserialize_tuple(N, ArrayVisitor::<T, N>(PhantomData))
+	}
+}
+
+pub(crate) fn from_hex_to_bytes<'de, D>(deserializer: D) -> Result<Vec<u8>, D::Error>
+where
+	D: Deserializer<'de>,
+{
+	let s = String::deserialize(deserializer)?;
+
+	let str_without_0x = match s.strip_prefix("0x") {
+		Some(val) => val,
+		None => &s,
+	};
+
+	let hex_bytes = match hex::decode(str_without_0x) {
+		Ok(bytes) => bytes,
+		Err(e) => return Err(serde::de::Error::custom(e.to_string())),
+	};
+
+	Ok(hex_bytes)
+}
+
+pub(crate) fn from_int_to_u256<'de, D>(deserializer: D) -> Result<U256, D::Error>
+where
+	D: Deserializer<'de>,
+{
+	let number = u128::deserialize(deserializer)?;
+
+	Ok(U256::from(number))
+}
+
+pub struct HexVisitor<const LENGTH: usize>();
+
+impl<'de, const LENGTH: usize> serde::de::Visitor<'de> for HexVisitor<LENGTH> {
+	type Value = [u8; LENGTH];
+
+	fn expecting(&self, formatter: &mut Formatter) -> sp_std::fmt::Result {
+		formatter.write_str("a hex string with an '0x' prefix")
+	}
+
+	fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
+	where
+		E: serde::de::Error,
+	{
+		let stripped = match v.strip_prefix("0x") {
+			Some(stripped) => stripped,
+			None => v,
+		};
+
+		let decoded = match hex::decode(stripped) {
+			Ok(decoded) => decoded,
+			Err(e) => return Err(serde::de::Error::custom(e.to_string())),
+		};
+		if decoded.len() != LENGTH {
+			return Err(serde::de::Error::custom("publickey expected to be 48 characters"))
+		}
+
+		let data: Self::Value = decoded
+			.try_into()
+			.map_err(|_e| serde::de::Error::custom("hex data has unexpected length"))?;
+
+		Ok(data)
+	}
+}