Starting new subxt crate; configs implemented

new/src/utils/multi_address.rs

@@ -0,0 +1,43 @@
+// Copyright 2019-2024 Parity Technologies (UK) Ltd.
+// This file is dual-licensed as Apache-2.0 or GPL-3.0.
+// see LICENSE for license details.
+
+//! The "default" Substrate/Polkadot Address type. This is used in codegen, as well as signing related bits.
+//! This doesn't contain much functionality itself, but is easy to convert to/from an `sp_runtime::MultiAddress`
+//! for instance, to gain functionality without forcing a dependency on Substrate crates here.
+
+use codec::{Decode, Encode};
+
+/// A multi-format address wrapper for on-chain accounts. This is a simplified version of Substrate's
+/// `sp_runtime::MultiAddress`.
+#[derive(
+    Clone,
+    Eq,
+    PartialEq,
+    Ord,
+    PartialOrd,
+    Encode,
+    Decode,
+    Debug,
+    scale_encode::EncodeAsType,
+    scale_decode::DecodeAsType,
+    scale_info::TypeInfo,
+)]
+pub enum MultiAddress<AccountId, AccountIndex> {
+    /// It's an account ID (pubkey).
+    Id(AccountId),
+    /// It's an account index.
+    Index(#[codec(compact)] AccountIndex),
+    /// It's some arbitrary raw bytes.
+    Raw(Vec<u8>),
+    /// It's a 32 byte representation.
+    Address32([u8; 32]),
+    /// Its a 20 byte representation.
+    Address20([u8; 20]),
+}
+
+impl<AccountId, AccountIndex> From<AccountId> for MultiAddress<AccountId, AccountIndex> {
+    fn from(a: AccountId) -> Self {
+        Self::Id(a)
+    }
+}