feat(solana): adds shared folder

packages/solana/Cargo.toml

@@ -1,6 +1,7 @@
 [workspace]
 members = [
-    "programs/*"
+    "programs/*",
+    "shared/*"
 ]
 resolver = "2"
 

packages/solana/programs/debridge-reporter/Cargo.toml

@@ -18,4 +18,5 @@ idl-build = ["anchor-lang/idl-build"]
 
 [dependencies]
 anchor-lang = "0.30.1"
-debridge-solana-sdk = { git = "ssh://git@github.com/debridge-finance/debridge-solana-sdk.git", version = "1.0.2" }
+debridge-solana-sdk = "1.0.1"
+slots = { path = "../../shared/slots" }

packages/solana/programs/debridge-reporter/src/lib.rs

@@ -1,15 +1,13 @@
 use anchor_lang::prelude::*;
 use borsh::{BorshDeserialize, BorshSerialize};
 use debridge_solana_sdk::sending;
+use slots::get_slot;
 
 declare_id!("2TvQ6gqQGAifdV2cQ1f8zHGYV2t6wPUNTKzpcALt8rX7");
 
 pub mod contexts;
-pub mod error;
-pub mod utils;
 
 pub use contexts::*;
-pub use utils::{get_slot, u64_to_u8_32};
 
 #[derive(BorshSerialize)]
 pub struct Message {
@@ -46,3 +44,10 @@ pub mod debridge_reporter {
         Ok(())
     }
 }
+
+pub fn u64_to_u8_32(number: u64) -> [u8; 32] {
+    let mut bytes = [0u8; 32];
+    let number_bytes = number.to_be_bytes();
+    bytes[24..].copy_from_slice(&number_bytes);
+    bytes
+}

packages/solana/shared/slots/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "slots"
+version = "0.1.0"
+description = "Utilities functions to access Solana slots"
+edition = "2021"
+
+[features]
+default = []
+cpi = ["no-entrypoint"]
+no-entrypoint = []
+no-idl = []
+no-log-ix-name = []
+idl-build = ["anchor-lang/idl-build"]
+
+[dependencies]
+anchor-lang = "0.30.1"

packages/solana/programs/debridge-reporter/src/utils.rs → packages/solana/shared/slots/src/lib.rs

@@ -1,8 +1,6 @@
 use anchor_lang::prelude::*;
 use anchor_lang::solana_program::sysvar;
 
-use crate::error::ErrorCode;
-
 pub fn get_slot(slot_hashes: &AccountInfo, slot_number: u64) -> Result<(u64, [u8; 32])> {
     if *slot_hashes.key != sysvar::slot_hashes::ID {
         return Err(error!(ErrorCode::InvalidSlotHashesSysVar));
@@ -35,12 +33,14 @@ pub fn get_slot(slot_hashes: &AccountInfo, slot_number: u64) -> Result<(u64, [u8
     Err(error!(ErrorCode::SlotNotFound))
 }
 
-pub fn u64_to_u8_32(number: u64) -> [u8; 32] {
-    let mut bytes = [0u8; 32];
-    let number_bytes = number.to_be_bytes(); // Convert u64 to a big-endian 8-byte array
-
-    // Copy the 8 bytes of the u64 into the last 8 bytes of the 32-byte array
-    bytes[24..].copy_from_slice(&number_bytes);
-
-    bytes
+#[error_code]
+pub enum ErrorCode {
+    #[msg("Invalid latest hash hash.")]
+    InvalidLatestHashLength,
+    #[msg("Invalid slot hashes sysvar.")]
+    InvalidSlotHashesSysVar,
+    #[msg("Slot hashes not available.")]
+    SlotHashesNotAvailable,
+    #[msg("Slot not found")]
+    SlotNotFound,
 }