remove staking program

program/src/update.rs

@@ -0,0 +1,29 @@
+use ore_api::state::Proof;
+use solana_program::{
+    account_info::AccountInfo, entrypoint::ProgramResult, program_error::ProgramError,
+    pubkey::Pubkey,
+};
+
+use crate::{loaders::*, utils::AccountDeserialize};
+
+/// Update changes the miner authority on a proof account.
+pub fn process_update<'a, 'info>(
+    _program_id: &Pubkey,
+    accounts: &'a [AccountInfo<'info>],
+    _data: &[u8],
+) -> ProgramResult {
+    // Load accounts
+    let [signer, miner_info, proof_info] = accounts else {
+        return Err(ProgramError::NotEnoughAccountKeys);
+    };
+    load_signer(signer)?;
+    load_system_account(miner_info, false)?;
+    load_proof(proof_info, signer.key, true)?;
+
+    // Update the proof
+    let mut proof_data = proof_info.data.borrow_mut();
+    let proof = Proof::try_from_bytes_mut(&mut proof_data)?;
+    proof.miner = *miner_info.key;
+
+    Ok(())
+}