init of subxt-core crate

2026-06-13 21:01:05 +00:00 · 2024-01-29 15:08:42 +01:00
parent fbee16dfb6
commit a3ec38f8b6
34 changed files with 4107 additions and 5 deletions
@@ -0,0 +1,58 @@
+// Copyright 2019-2023 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 Signature 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::MultiSignature`
+//! for instance, to gain functionality without forcing a dependency on Substrate crates here.
+
+use codec::{Decode, Encode};
+
+/// Signature container that can store known signature types. This is a simplified version of
+/// `sp_runtime::MultiSignature`. To obtain more functionality, convert this into that type.
+#[derive(Clone, Eq, PartialEq, Ord, PartialOrd, Encode, Decode, Debug, scale_info::TypeInfo)]
+pub enum MultiSignature {
+    /// An Ed25519 signature.
+    Ed25519([u8; 64]),
+    /// An Sr25519 signature.
+    Sr25519([u8; 64]),
+    /// An ECDSA/SECP256k1 signature (a 512-bit value, plus 8 bits for recovery ID).
+    Ecdsa([u8; 65]),
+}
+
+// Improve compat with the substrate version if we're using those crates:
+#[cfg(feature = "substrate-compat")]
+mod substrate_impls {
+    use super::*;
+
+    impl From<sp_runtime::MultiSignature> for MultiSignature {
+        fn from(value: sp_runtime::MultiSignature) -> Self {
+            match value {
+                sp_runtime::MultiSignature::Ed25519(s) => Self::Ed25519(s.0),
+                sp_runtime::MultiSignature::Sr25519(s) => Self::Sr25519(s.0),
+                sp_runtime::MultiSignature::Ecdsa(s) => Self::Ecdsa(s.0),
+            }
+        }
+    }
+
+    impl From<sp_core::ed25519::Signature> for MultiSignature {
+        fn from(value: sp_core::ed25519::Signature) -> Self {
+            let sig: sp_runtime::MultiSignature = value.into();
+            sig.into()
+        }
+    }
+
+    impl From<sp_core::sr25519::Signature> for MultiSignature {
+        fn from(value: sp_core::sr25519::Signature) -> Self {
+            let sig: sp_runtime::MultiSignature = value.into();
+            sig.into()
+        }
+    }
+
+    impl From<sp_core::ecdsa::Signature> for MultiSignature {
+        fn from(value: sp_core::ecdsa::Signature) -> Self {
+            let sig: sp_runtime::MultiSignature = value.into();
+            sig.into()
+        }
+    }
+}