[solana-receiver] Post price update (#1189)

* Do it

* Remove keypairs

* add check comment

* Works

* Cleanup deps

* Next

* Add better docs

Author: guibescos

.pre-commit-config.yaml

@@ -108,6 +108,6 @@ repos:
       - id: cargo-clippy-pyth-solana-receiver
         name: Cargo clippy for solana target chain contract
         language: "rust"
-        entry: cargo +nightly-2023-03-01 clippy --manifest-path ./target_chains/solana/Cargo.toml --tests --fix --allow-dirty --allow-staged --features devnet -- -D warnings
+        entry: cargo +nightly-2023-03-01 clippy --manifest-path ./target_chains/solana/Cargo.toml --tests --fix --allow-dirty --allow-staged -- -D warnings
         pass_filenames: false
         files: target_chains/solana

pythnet/pythnet_sdk/src/messages.rs

@@ -1,8 +1,14 @@
 #[cfg(feature = "quickcheck")]
 use quickcheck::Arbitrary;
-use serde::{
-    Deserialize,
-    Serialize,
+use {
+    borsh::{
+        BorshDeserialize,
+        BorshSerialize,
+    },
+    serde::{
+        Deserialize,
+        Serialize,
+    },
 };
 
 /// Message format for sending data to other chains via the accumulator program
@@ -68,7 +74,9 @@ impl Arbitrary for Message {
 pub type FeedId = [u8; 32];
 
 #[repr(C)]
-#[derive(Debug, Copy, Clone, PartialEq, Serialize, Deserialize)]
+#[derive(
+    Debug, Copy, Clone, PartialEq, Serialize, Deserialize, BorshDeserialize, BorshSerialize,
+)]
 pub struct PriceFeedMessage {
     pub feed_id:           FeedId,
     pub price:             i64,