Add ecrecover syscall (backport #17720)

programs/bpf/Cargo.toml

@@ -73,6 +73,7 @@ members = [
     "rust/ro_modify",
     "rust/ro_account_modify",
     "rust/sanity",
+    "rust/secp256k1_recover",
     "rust/sha",
     "rust/spoof1",
     "rust/spoof1_system",

programs/bpf/build.rs

@@ -86,6 +86,7 @@ fn main() {
             "ro_modify",
             "ro_account_modify",
             "sanity",
+            "secp256k1_recover",
             "sha",
             "spoof1",
             "spoof1_system",

programs/bpf/c/src/secp256k1_recover/secp256k1_recover.c

@@ -0,0 +1,38 @@
+/**
+ * @brief Secp256k1Recover Syscall test
+ */
+#include <solana_sdk.h>
+
+extern uint64_t entrypoint(const uint8_t *input) {
+
+  uint8_t result[SECP256K1_RECOVER_RESULT_LENGTH];
+  uint8_t expected[] = { 0x42, 0xcd, 0x27, 0xe4, 0x0f, 0xdf, 0x7c, 0x97,
+                         0x0a, 0xa2, 0xca, 0x0b, 0x88, 0x5b, 0x96, 0x0f,
+                         0x8b, 0x62, 0x8a, 0x41, 0xa1, 0x81, 0xe7, 0xe6,
+                         0x8e, 0x03, 0xea, 0x0b, 0x84, 0x20, 0x58, 0x9b,
+                         0x32, 0x06, 0xbd, 0x66, 0x2f, 0x75, 0x65, 0xd6,
+                         0x9d, 0xbd, 0x1d, 0x34, 0x29, 0x6a, 0xd9, 0x35,
+                         0x38, 0xed, 0x86, 0x9e, 0x99, 0x20, 0x43, 0xc3,
+                         0xeb, 0xad, 0x65, 0x50, 0xa0, 0x11, 0x6e, 0x5d};
+
+  uint8_t hash[] = { 0xde, 0xa5, 0x66, 0xb6, 0x94, 0x3b, 0xe0, 0xe9,
+                          0x62, 0x53, 0xc2, 0x21, 0x5b, 0x1b, 0xac, 0x69,
+                          0xe7, 0xa8, 0x1e, 0xdb, 0x41, 0xc5, 0x02, 0x8b,
+                          0x4f, 0x5c, 0x45, 0xc5, 0x3b, 0x49, 0x54, 0xd0};
+  uint8_t signature[] = { 0x97, 0xa4, 0xee, 0x31, 0xfe, 0x82, 0x65, 0x72,
+                          0x9f, 0x4a, 0xa6, 0x7d, 0x24, 0xd4, 0xa7, 0x27,
+                          0xf8, 0xc3, 0x15, 0xa4, 0xc8, 0xf9, 0x80, 0xeb,
+                          0x4c, 0x4d, 0x4a, 0xfa, 0x6e, 0xc9, 0x42, 0x41,
+                          0x5d, 0x10, 0xd9, 0xc2, 0x8a, 0x90, 0xe9, 0x92,
+                          0x9c, 0x52, 0x4b, 0x2c, 0xfb, 0x65, 0xdf, 0xbc,
+                          0xf6, 0x8c, 0xfd, 0x68, 0xdb, 0x17, 0xf9, 0x5d,
+                          0x23, 0x5f, 0x96, 0xd8, 0xf0, 0x72, 0x01, 0x2d};
+  uint64_t recovery_id = 1;
+
+  uint64_t result_code = sol_secp256k1_recover(hash, recovery_id, signature, result);
+
+  sol_assert(0 == result_code);
+  sol_assert(0 == sol_memcmp(result, expected, SHA256_RESULT_LENGTH));
+
+  return SUCCESS;
+}

programs/bpf/rust/secp256k1_recover/Cargo.toml

@@ -0,0 +1,19 @@
+[package]
+name = "solana-bpf-rust-secp256k1-recover"
+version = "1.7.5"
+description = "Solana BPF test program written in Rust"
+authors = ["Solana Maintainers <maintainers@solana.foundation>"]
+repository = "https://github.com/solana-labs/solana"
+license = "Apache-2.0"
+homepage = "https://solana.com/"
+documentation = "https://docs.rs/solana-bpf-rust-secp256k1-recover"
+edition = "2018"
+
+[dependencies]
+solana-program = { path = "../../../../sdk/program", version = "=1.7.5" }
+
+[lib]
+crate-type = ["cdylib"]
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]

programs/bpf/rust/secp256k1_recover/src/lib.rs

@@ -0,0 +1,44 @@
+//! @brief Secp256k1Recover Syscall test
+
+extern crate solana_program;
+use solana_program::{custom_panic_default, msg};
+
+fn test_secp256k1_recover() {
+    use solana_program::secp256k1_recover::secp256k1_recover;
+
+    let expected: [u8; 64] = [
+        0x42, 0xcd, 0x27, 0xe4, 0x0f, 0xdf, 0x7c, 0x97, 0x0a, 0xa2, 0xca, 0x0b, 0x88, 0x5b, 0x96,
+        0x0f, 0x8b, 0x62, 0x8a, 0x41, 0xa1, 0x81, 0xe7, 0xe6, 0x8e, 0x03, 0xea, 0x0b, 0x84, 0x20,
+        0x58, 0x9b, 0x32, 0x06, 0xbd, 0x66, 0x2f, 0x75, 0x65, 0xd6, 0x9d, 0xbd, 0x1d, 0x34, 0x29,
+        0x6a, 0xd9, 0x35, 0x38, 0xed, 0x86, 0x9e, 0x99, 0x20, 0x43, 0xc3, 0xeb, 0xad, 0x65, 0x50,
+        0xa0, 0x11, 0x6e, 0x5d,
+    ];
+
+    let hash: [u8; 32] = [
+        0xde, 0xa5, 0x66, 0xb6, 0x94, 0x3b, 0xe0, 0xe9, 0x62, 0x53, 0xc2, 0x21, 0x5b, 0x1b, 0xac,
+        0x69, 0xe7, 0xa8, 0x1e, 0xdb, 0x41, 0xc5, 0x02, 0x8b, 0x4f, 0x5c, 0x45, 0xc5, 0x3b, 0x49,
+        0x54, 0xd0,
+    ];
+    let recovery_id: u8 = 1;
+    let signature: [u8; 64] = [
+        0x97, 0xa4, 0xee, 0x31, 0xfe, 0x82, 0x65, 0x72, 0x9f, 0x4a, 0xa6, 0x7d, 0x24, 0xd4, 0xa7,
+        0x27, 0xf8, 0xc3, 0x15, 0xa4, 0xc8, 0xf9, 0x80, 0xeb, 0x4c, 0x4d, 0x4a, 0xfa, 0x6e, 0xc9,
+        0x42, 0x41, 0x5d, 0x10, 0xd9, 0xc2, 0x8a, 0x90, 0xe9, 0x92, 0x9c, 0x52, 0x4b, 0x2c, 0xfb,
+        0x65, 0xdf, 0xbc, 0xf6, 0x8c, 0xfd, 0x68, 0xdb, 0x17, 0xf9, 0x5d, 0x23, 0x5f, 0x96, 0xd8,
+        0xf0, 0x72, 0x01, 0x2d,
+    ];
+
+    let public_key = secp256k1_recover(&hash[..], recovery_id, &signature[..]).unwrap();
+    assert_eq!(public_key.to_bytes(), expected);
+}
+
+#[no_mangle]
+pub extern "C" fn entrypoint(_input: *mut u8) -> u64 {
+    msg!("secp256k1_recover");
+
+    test_secp256k1_recover();
+
+    0
+}
+
+custom_panic_default!();

programs/bpf/tests/programs.rs

@@ -430,6 +430,7 @@ fn test_program_bpf_sanity() {
             ("relative_call", true),
             ("sanity", true),
             ("sanity++", true),
+            ("secp256k1_recover", true),
             ("sha", true),
             ("struct_pass", true),
             ("struct_ret", true),
@@ -451,6 +452,7 @@ fn test_program_bpf_sanity() {
             ("solana_bpf_rust_param_passing", true),
             ("solana_bpf_rust_rand", true),
             ("solana_bpf_rust_sanity", true),
+            ("solana_bpf_rust_secp256k1_recover", true),
             ("solana_bpf_rust_sha", true),
         ]);
     }
@@ -1281,6 +1283,7 @@ fn assert_instruction_count() {
             ("relative_call", 10),
             ("sanity", 174),
             ("sanity++", 174),
+            ("secp256k1_recover", 357),
             ("sha", 694),
             ("struct_pass", 8),
             ("struct_ret", 22),
@@ -1302,7 +1305,8 @@ fn assert_instruction_count() {
             ("solana_bpf_rust_param_passing", 46),
             ("solana_bpf_rust_rand", 498),
             ("solana_bpf_rust_sanity", 917),
-            ("solana_bpf_rust_sha", 29099),
+            ("solana_bpf_rust_secp256k1_recover", 306),
+            ("solana_bpf_rust_sha", 29131),
         ]);
     }