Split solana_sdk.h (#19172)

sdk/bpf/c/inc/sol/secp256k1.h

@@ -0,0 +1,46 @@
+#pragma once
+/**
+ * @brief Solana secp256k1 system call
+ */
+
+#include <sol/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Length of a secp256k1 recover input hash */
+#define SECP256K1_RECOVER_HASH_LENGTH 32
+/** Length of a secp256k1 input signature */
+#define SECP256K1_RECOVER_SIGNATURE_LENGTH 64
+/** Length of a secp256k1 recover result */
+#define SECP256K1_RECOVER_RESULT_LENGTH 64
+
+/** The hash provided to a sol_secp256k1_recover is invalid */
+#define SECP256K1_RECOVER_ERROR_INVALID_HASH 1
+/** The recovery_id provided to a sol_secp256k1_recover is invalid */
+#define SECP256K1_RECOVER_ERROR_INVALID_RECOVERY_ID 2
+/** The signature provided to a sol_secp256k1_recover is invalid */
+#define SECP256K1_RECOVER_ERROR_INVALID_SIGNATURE 3
+
+/**
+ * Recover public key from a signed message.
+ *
+ * @param hash Hashed message
+ * @param recovery_id Tag used for public key recovery from signatures. Can be 0 or 1
+ * @param signature An ECDSA signature
+ * @param result 64 byte array to hold the result. A recovered public key
+ * @return 0 if executed successfully
+ */
+uint64_t sol_secp256k1_recover(
+    const uint8_t *hash,
+    uint64_t recovery_id,
+    const uint8_t *signature,
+    uint8_t *result
+);
+
+#ifdef __cplusplus
+}
+#endif
+
+/**@}*/