From 3abe0e080b1b75939befb5bfdb451933a3bedcf3 Mon Sep 17 00:00:00 2001
From: Hardhat Chad <hardhatchad@gmail.com>
Date: Tue, 23 Sep 2025 11:21:30 -0700
Subject: [PATCH] set executor

---
 api/src/instruction.rs      | 22 ++++++++++-----------
 program/src/lib.rs          |  6 +++---
 program/src/reimburse.rs    | 38 -------------------------------------
 program/src/set_executor.rs | 27 ++++++++++++++++++++++++++
 4 files changed, 41 insertions(+), 52 deletions(-)
 delete mode 100644 program/src/reimburse.rs
 create mode 100644 program/src/set_executor.rs

diff --git a/api/src/instruction.rs b/api/src/instruction.rs
index 8df4360..113cd5e 100644
--- a/api/src/instruction.rs
+++ b/api/src/instruction.rs
@@ -11,12 +11,12 @@ pub enum OreInstruction {
     Initialize = 4,
     Log = 5,
     Reset = 7,
-    Reimburse = 8,
+    SetExecutor = 9,
 
     // Admin
-    Bury = 9,
-    SetAdmin = 10,
-    SetFeeCollector = 11,
+    Bury = 10,
+    SetAdmin = 11,
+    SetFeeCollector = 12,
 
     // Seeker
     ClaimSeeker = 14,
@@ -78,6 +78,12 @@ pub struct Uncommit {
     pub amount: [u8; 8],
 }
 
+#[repr(C)]
+#[derive(Clone, Copy, Debug, Pod, Zeroable)]
+pub struct SetExecutor {
+    pub executor: [u8; 32],
+}
+
 #[repr(C)]
 #[derive(Clone, Copy, Debug, Pod, Zeroable)]
 pub struct SetAdmin {
@@ -106,12 +112,6 @@ pub struct Bury {
 #[derive(Clone, Copy, Debug, Pod, Zeroable)]
 pub struct ClaimSeeker {}
 
-#[repr(C)]
-#[derive(Clone, Copy, Debug, Pod, Zeroable)]
-pub struct Reimburse {
-    pub amount: [u8; 8],
-}
-
 instruction!(OreInstruction, Boost);
 instruction!(OreInstruction, ClaimSOL);
 instruction!(OreInstruction, ClaimORE);
@@ -120,7 +120,7 @@ instruction!(OreInstruction, Initialize);
 instruction!(OreInstruction, Log);
 instruction!(OreInstruction, Bury);
 instruction!(OreInstruction, Reset);
-instruction!(OreInstruction, Reimburse);
+instruction!(OreInstruction, SetExecutor);
 instruction!(OreInstruction, SetAdmin);
 instruction!(OreInstruction, SetFeeCollector);
 instruction!(OreInstruction, ClaimSeeker);
diff --git a/program/src/lib.rs b/program/src/lib.rs
index dacf123..c2c4a96 100644
--- a/program/src/lib.rs
+++ b/program/src/lib.rs
@@ -6,9 +6,9 @@ mod claim_sol;
 mod deploy;
 mod initialize;
 mod log;
-mod reimburse;
 mod reset;
 mod set_admin;
+mod set_executor;
 mod set_fee_collector;
 mod whitelist;
 
@@ -20,9 +20,9 @@ use claim_sol::*;
 use deploy::*;
 use initialize::*;
 use log::*;
-use reimburse::*;
 use reset::*;
 use set_admin::*;
+use set_executor::*;
 use set_fee_collector::*;
 
 use ore_api::instruction::*;
@@ -44,7 +44,7 @@ pub fn process_instruction(
         OreInstruction::Log => process_log(accounts, data)?,
         OreInstruction::Initialize => process_initialize(accounts, data)?,
         OreInstruction::Reset => process_reset(accounts, data)?,
-        OreInstruction::Reimburse => process_reimburse(accounts, data)?,
+        OreInstruction::SetExecutor => process_set_executor(accounts, data)?,
 
         // Admin
         OreInstruction::SetAdmin => process_set_admin(accounts, data)?,
diff --git a/program/src/reimburse.rs b/program/src/reimburse.rs
deleted file mode 100644
index c39fb4c..0000000
--- a/program/src/reimburse.rs
+++ /dev/null
@@ -1,38 +0,0 @@
-use ore_api::prelude::*;
-use solana_program::rent::Rent;
-use steel::*;
-
-/// Reimburses an executor keypair for their tx fee expenses.
-pub fn process_reimburse(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramResult {
-    // Parse data.
-    let args = Reimburse::try_from_bytes(data)?;
-    let amount = u64::from_le_bytes(args.amount);
-
-    // Load accounts.
-    let [signer_info, miner_info, system_program] = accounts else {
-        return Err(ProgramError::NotEnoughAccountKeys);
-    };
-    signer_info.is_signer()?;
-    let miner = miner_info
-        .as_account_mut::<Miner>(&ore_api::ID)?
-        .assert_mut(|m| m.executor == *signer_info.key)?;
-    system_program.is_program(&system_program::ID)?;
-
-    // Check if miner can charge.// Check total amount.
-    let account_size = 8 + std::mem::size_of::<Miner>();
-    let min_rent = Rent::get()?.minimum_balance(account_size);
-    let claimable_sol = miner.rewards_sol;
-    let obligations = min_rent + claimable_sol;
-    let new_lamports = miner_info.lamports().saturating_sub(amount);
-    if new_lamports < obligations {
-        return Err(trace(
-            "Miner account has insufficient SOL",
-            ProgramError::InsufficientFunds,
-        ));
-    }
-
-    // Send reimbursement.
-    miner_info.send(amount, signer_info);
-
-    Ok(())
-}
diff --git a/program/src/set_executor.rs b/program/src/set_executor.rs
new file mode 100644
index 0000000..21ad808
--- /dev/null
+++ b/program/src/set_executor.rs
@@ -0,0 +1,27 @@
+use ore_api::prelude::*;
+use steel::*;
+
+/// Sets the executor.
+pub fn process_set_executor(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramResult {
+    // Parse data.
+    let args = SetExecutor::try_from_bytes(data)?;
+    let new_executor = Pubkey::new_from_array(args.executor);
+
+    // Load accounts.
+    let [signer_info, miner_info, system_program] = accounts else {
+        return Err(ProgramError::NotEnoughAccountKeys);
+    };
+    signer_info.is_signer()?;
+    let miner = miner_info
+        .as_account_mut::<Miner>(&ore_api::ID)?
+        .assert_mut_err(
+            |m| m.authority == *signer_info.key,
+            OreError::NotAuthorized.into(),
+        )?;
+    system_program.is_program(&system_program::ID)?;
+
+    // Set executor.
+    miner.executor = new_executor;
+
+    Ok(())
+}