no_std compatibility for subxt-signer (#1477)

* subxt-signer no-std * impl error * address james comments * fix signer wasm tests * error impl for secret uri error
2026-06-13 17:31:05 +00:00 · 2024-03-14 11:04:27 +01:00
parent 8bdd276d2f
commit 4831f816f2
18 changed files with 353 additions and 196 deletions
@@ -32,6 +32,21 @@ version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "96d30a06541fbafbc7f82ed10c06164cfbd2c401138f6addd8404629c4b16711"

+[[package]]
+name = "bip39"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93f2635620bf0b9d4576eb7bb9a38a55df78bd1205d26fa994b25911a69f212f"
+dependencies = [
+ "bitcoin_hashes",
+]
+
+[[package]]
+name = "bitcoin_hashes"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "90064b8dee6815a6470d60bad07bbbaee885c0e12d04177138fa3291a01b7bc4"
+
 [[package]]
 name = "blake2b_simd"
 version = "1.0.2"
@@ -101,6 +116,34 @@ dependencies = [
 "typenum",
 ]

+[[package]]
+name = "curve25519-dalek"
+version = "4.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0a677b8922c94e01bdbb12126b0bc852f00447528dee1782229af9c720c3f348"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "curve25519-dalek-derive",
+ "digest",
+ "fiat-crypto",
+ "platforms",
+ "rustc_version",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "curve25519-dalek-derive"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f46882e17999c6cc590af592290432be3bce0428cb0d5f8b6715e4dc7b383eb3"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.48",
+]
+
 [[package]]
 name = "derive_more"
 version = "0.99.17"
@@ -122,6 +165,7 @@ checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
 "block-buffer",
 "crypto-common",
+ "subtle",
 ]

 [[package]]
@@ -130,6 +174,12 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"

+[[package]]
+name = "fiat-crypto"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1676f435fc1dadde4d03e43f5d62b259e1ce5f40bd4ffb21db2b42ebe59c1382"
+
 [[package]]
 name = "frame-metadata"
 version = "16.0.0"
@@ -151,6 +201,15 @@ dependencies = [
 "version_check",
 ]

+[[package]]
+name = "getrandom_or_panic"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ea1015b5a70616b688dc230cfe50c8af89d972cb132d5a622814d29773b10b9"
+dependencies = [
+ "rand_core",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.14.3"
@@ -161,6 +220,21 @@ dependencies = [
 "allocator-api2",
 ]

+[[package]]
+name = "hex"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
+
+[[package]]
+name = "hmac"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
+dependencies = [
+ "digest",
+]
+
 [[package]]
 name = "impl-trait-for-tuples"
 version = "0.2.2"
@@ -209,6 +283,18 @@ version = "2.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "523dc4f511e55ab87b694dc30d0f820d60906ef06413f93d4d7a1385599cc149"

+[[package]]
+name = "merlin"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "58c38e2799fc0978b65dfff8023ec7843e2330bb462f19198840b34b6582397d"
+dependencies = [
+ "byteorder",
+ "keccak",
+ "rand_core",
+ "zeroize",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.19.0"
@@ -239,6 +325,21 @@ dependencies = [
 "syn 1.0.109",
 ]

+[[package]]
+name = "pbkdf2"
+version = "0.12.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8ed6a7761f76e3b9f92dfb0a60a6a6477c61024b775147ff0973a02653abaf2"
+dependencies = [
+ "digest",
+]
+
+[[package]]
+name = "platforms"
+version = "3.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "626dec3cac7cc0e1577a2ec3fc496277ec2baa084bebad95bb6fdbfae235f84c"
+
 [[package]]
 name = "proc-macro-crate"
 version = "1.3.1"
@@ -277,6 +378,37 @@ dependencies = [
 "proc-macro2",
 ]

+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+
+[[package]]
+name = "regex"
+version = "1.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b62dbe01f0b06f9d8dc7d49e05a0785f153b00b2c227856282f671e0318c9b15"
+dependencies = [
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "86b83b8b9847f9bf95ef68afb0b8e6cdb80f498442f5179a29fad448fcc1eaea"
+dependencies = [
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
+
 [[package]]
 name = "rustc_version"
 version = "0.4.0"
@@ -310,6 +442,32 @@ dependencies = [
 "syn 1.0.109",
 ]

+[[package]]
+name = "schnorrkel"
+version = "0.11.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8de18f6d8ba0aad7045f5feae07ec29899c1112584a38509a84ad7b04451eaa0"
+dependencies = [
+ "arrayref",
+ "arrayvec",
+ "curve25519-dalek",
+ "getrandom_or_panic",
+ "merlin",
+ "rand_core",
+ "sha2",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "secrecy"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9bd1c54ea06cfd2f6b63219704de0b9b4f72dcc2b8fdef820be6cd799780e91e"
+dependencies = [
+ "zeroize",
+]
+
 [[package]]
 name = "semver"
 version = "1.0.21"
@@ -357,6 +515,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"

+[[package]]
+name = "subtle"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
+
 [[package]]
 name = "subxt-core-no-std-tests"
 version = "0.0.0"
@@ -364,6 +528,7 @@ dependencies = [
 "libc_alloc",
 "parity-scale-codec",
 "subxt-metadata",
+ "subxt-signer",
 ]

 [[package]]
@@ -378,6 +543,25 @@ dependencies = [
 "sp-core-hashing",
 ]

+[[package]]
+name = "subxt-signer"
+version = "0.34.0"
+dependencies = [
+ "bip39",
+ "cfg-if",
+ "derive_more",
+ "hex",
+ "hmac",
+ "parity-scale-codec",
+ "pbkdf2",
+ "regex",
+ "schnorrkel",
+ "secrecy",
+ "sha2",
+ "sp-core-hashing",
+ "zeroize",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.109"
@@ -485,3 +669,23 @@ dependencies = [
 "quote",
 "syn 2.0.48",
 ]
+
+[[package]]
+name = "zeroize"
+version = "1.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "525b4ec142c6b68a2d10f01f7bbf6755599ca3f81ea53b8431b7dd348f5fdb2d"
+dependencies = [
+ "zeroize_derive",
+]
+
+[[package]]
+name = "zeroize_derive"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.48",
+]
@@ -7,6 +7,7 @@ resolver = "2"

 [dependencies]
 subxt-metadata = { path = "../../metadata", default-features = false }
+subxt-signer = { path = "../../signer", default-features = false, features = ["sr25519"] }
 codec = { package = "parity-scale-codec", version = "3.6.9", default-features = false, features = ["derive"] }
 libc_alloc = { version = "1.0.6" }

@@ -34,14 +34,27 @@ extern crate alloc;
 /// Including code here makes sure it is not pruned.
 /// We want all code included to compile fine for the `thumbv7em-none-eabi` target.
 fn compile_test() {
-    subxt_metadata_compiles();
-}
-
-fn subxt_metadata_compiles() {
+    // Subxt Metadata compiles:
    use codec::Decode;
    let bytes: alloc::vec::Vec<u8> = alloc::vec![0, 1, 2, 3, 4];
    subxt_metadata::Metadata::decode(&mut &bytes[..]).expect_err("invalid byte sequence");

    const METADATA: &[u8] = include_bytes!("../../../artifacts/polkadot_metadata_small.scale");
    subxt_metadata::Metadata::decode(&mut &METADATA[..]).expect("should be valid metadata");
+
+    // Subxt Signer compiles:
+    use subxt_signer::sr25519;
+    let keypair = sr25519::dev::alice();
+    let message = b"Hello!";
+    let _signature = keypair.sign(message);
+    let _public_key = keypair.public_key();
+
+    // Note: `ecdsa` is not compiling for the `thumbv7em-none-eabi` target.
+    //
+    // use subxt_signer::ecdsa;
+    // let keypair = ecdsa::dev::alice();
+    // let message = b"Hello!";
+    // let _signature = keypair.sign(message);
+    // let _public_key = keypair.public_key();
+    //
 }