Move substrate/serai/* to substrate/*

substrate/primitives/src/account.rs

@@ -0,0 +1,97 @@
+#[cfg(feature = "std")]
+use zeroize::Zeroize;
+
+use scale::{Encode, Decode, MaxEncodedLen};
+use scale_info::TypeInfo;
+
+#[cfg(feature = "std")]
+use serde::{Serialize, Deserialize};
+
+use sp_core::sr25519::{Public, Signature as RistrettoSignature};
+#[cfg(feature = "std")]
+use sp_core::{Pair as PairTrait, sr25519::Pair};
+
+use sp_runtime::traits::{LookupError, Lookup, StaticLookup};
+
+pub type PublicKey = Public;
+
+#[derive(
+  Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Encode, Decode, MaxEncodedLen, TypeInfo,
+)]
+#[cfg_attr(feature = "std", derive(Zeroize, Serialize, Deserialize))]
+pub struct SeraiAddress(pub [u8; 32]);
+impl SeraiAddress {
+  pub fn new(key: [u8; 32]) -> SeraiAddress {
+    SeraiAddress(key)
+  }
+}
+
+impl From<[u8; 32]> for SeraiAddress {
+  fn from(key: [u8; 32]) -> SeraiAddress {
+    SeraiAddress(key)
+  }
+}
+
+impl From<PublicKey> for SeraiAddress {
+  fn from(key: PublicKey) -> SeraiAddress {
+    SeraiAddress(key.0)
+  }
+}
+
+impl From<SeraiAddress> for PublicKey {
+  fn from(address: SeraiAddress) -> PublicKey {
+    PublicKey::from_raw(address.0)
+  }
+}
+
+#[cfg(feature = "std")]
+impl std::fmt::Display for SeraiAddress {
+  fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+    // TODO: Bech32
+    write!(f, "{:?}", self.0)
+  }
+}
+
+#[cfg(feature = "std")]
+pub fn insecure_pair_from_name(name: &str) -> Pair {
+  Pair::from_string(&format!("//{name}"), None).unwrap()
+}
+
+pub struct AccountLookup;
+impl Lookup for AccountLookup {
+  type Source = SeraiAddress;
+  type Target = PublicKey;
+  fn lookup(&self, source: SeraiAddress) -> Result<PublicKey, LookupError> {
+    Ok(PublicKey::from_raw(source.0))
+  }
+}
+impl StaticLookup for AccountLookup {
+  type Source = SeraiAddress;
+  type Target = PublicKey;
+  fn lookup(source: SeraiAddress) -> Result<PublicKey, LookupError> {
+    Ok(source.into())
+  }
+  fn unlookup(source: PublicKey) -> SeraiAddress {
+    source.into()
+  }
+}
+
+pub type Signature = RistrettoSignature;
+
+pub const fn pallet_address(pallet: &'static [u8]) -> SeraiAddress {
+  let mut address = [0; 32];
+  let mut set = false;
+  // Implement a while loop since we can't use a for loop
+  let mut i = 0;
+  while i < pallet.len() {
+    address[i] = pallet[i];
+    if address[i] != 0 {
+      set = true;
+    }
+    i += 1;
+  }
+  // Make sure this address isn't the identity point
+  // Doesn't do address != [0; 32] since that's not const
+  assert!(set, "address is the identity point");
+  SeraiAddress(address)
+}