Rust instructions (#266)

* OracleCommand struct

* Cleanup entrypoint:

* Format

* Cleanup

* Additional comment

* Delete accidental files

* Cleanup rust oracle

* Explicit instruction order

* Fix rust oracle

* Tests updated

* Restore some functions for CI

* Warning added

* Restore oracle.h

* Fix Pod

* Publishing

* Fix comments

Author: guibescos

program/rust/src/c_oracle_header.rs

@@ -84,14 +84,6 @@ unsafe impl Zeroable for pc_price {
 unsafe impl Pod for pc_price {
 }
 
-#[cfg(target_endian = "little")]
-unsafe impl Zeroable for cmd_hdr {
-}
-
-#[cfg(target_endian = "little")]
-unsafe impl Pod for cmd_hdr {
-}
-
 #[cfg(target_endian = "little")]
 unsafe impl Zeroable for pc_price_info {
 }
@@ -100,14 +92,6 @@ unsafe impl Zeroable for pc_price_info {
 unsafe impl Pod for pc_price_info {
 }
 
-#[cfg(target_endian = "little")]
-unsafe impl Zeroable for cmd_upd_price {
-}
-
-#[cfg(target_endian = "little")]
-unsafe impl Pod for cmd_upd_price {
-}
-
 #[cfg(target_endian = "little")]
 unsafe impl Zeroable for pc_ema {
 }
@@ -116,44 +100,6 @@ unsafe impl Zeroable for pc_ema {
 unsafe impl Pod for pc_ema {
 }
 
-#[cfg(target_endian = "little")]
-unsafe impl Zeroable for cmd_add_price_t {
-}
-
-#[cfg(target_endian = "little")]
-unsafe impl Pod for cmd_add_price_t {
-}
-
-#[cfg(target_endian = "little")]
-unsafe impl Zeroable for cmd_init_price_t {
-}
-
-#[cfg(target_endian = "little")]
-unsafe impl Pod for cmd_init_price_t {
-}
-
-#[cfg(target_endian = "little")]
-unsafe impl Zeroable for cmd_add_publisher_t {
-}
-
-#[cfg(target_endian = "little")]
-unsafe impl Pod for cmd_add_publisher_t {
-}
-
-#[cfg(target_endian = "little")]
-unsafe impl Zeroable for cmd_del_publisher_t {
-}
-
-#[cfg(target_endian = "little")]
-unsafe impl Pod for cmd_del_publisher_t {
-}
-
-unsafe impl Zeroable for cmd_set_min_pub_t {
-}
-
-#[cfg(target_endian = "little")]
-unsafe impl Pod for cmd_set_min_pub_t {
-}
 
 #[cfg(target_endian = "little")]
 unsafe impl Zeroable for pc_pub_key_t {

program/rust/src/instruction.rs

@@ -1,4 +1,7 @@
-use crate::c_oracle_header::PC_VERSION;
+use crate::c_oracle_header::{
+    pc_pub_key_t,
+    PC_VERSION,
+};
 use crate::deserialize::load;
 use crate::error::OracleError;
 use bytemuck::{
@@ -105,3 +108,40 @@ pub fn load_command_header_checked(data: &[u8]) -> Result<OracleCommand, OracleE
     }
     OracleCommand::from_i32(command_header.command).ok_or(OracleError::UnrecognizedInstruction)
 }
+
+#[repr(C)]
+#[derive(Zeroable, Pod, Copy, Clone)]
+pub struct AddPriceArgs {
+    pub header:     CommandHeader,
+    pub exponent:   i32,
+    pub price_type: u32,
+}
+pub type InitPriceArgs = AddPriceArgs;
+
+#[repr(C)]
+#[derive(Zeroable, Pod, Copy, Clone)]
+pub struct AddPublisherArgs {
+    pub header:    CommandHeader,
+    pub publisher: pc_pub_key_t,
+}
+
+pub type DelPublisherArgs = AddPublisherArgs;
+
+#[repr(C)]
+#[derive(Zeroable, Clone, Copy, Pod)]
+pub struct SetMinPubArgs {
+    pub header:             CommandHeader,
+    pub minimum_publishers: u8,
+    pub unused_:            [u8; 3],
+}
+
+#[repr(C)]
+#[derive(Zeroable, Pod, Copy, Clone)]
+pub struct UpdPriceArgs {
+    pub header:          CommandHeader,
+    pub status:          u32,
+    pub unused_:         u32,
+    pub price:           i64,
+    pub confidence:      u64,
+    pub publishing_slot: u64,
+}