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slot hash

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This commit is contained in:
Hardhat Chad
2025-06-06 13:09:35 -07:00
parent edbdb28958
commit 77bccc3e2c
1 changed files with 21 additions and 8 deletions
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29
ore/program/src/mine.rs
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@@ -1,5 +1,5 @@
use ore_api::prelude::*;
use solana_program::keccak;
use solana_program::{keccak, slot_hashes::SlotHashes};
use steel::*;
/// Mine a block.
@@ -10,7 +10,7 @@ pub fn process_mine(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramResult
// Load accounts.
let clock = Clock::get()?;
let [signer_info, block_info, market_info, miner_info, mint_info, sender_info, system_program, token_program] =
let [signer_info, block_info, market_info, miner_info, mint_info, sender_info, system_program, token_program, slot_hashes_sysvar] =
accounts
else {
return Err(ProgramError::NotEnoughAccountKeys);
@@ -30,6 +30,7 @@ pub fn process_mine(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramResult
.assert(|t| t.amount() >= amount)?;
system_program.is_program(&system_program::ID)?;
token_program.is_program(&spl_token::ID)?;
slot_hashes_sysvar.is_sysvar(&sysvar::slot_hashes::ID)?;
// Load miner account.
let miner = if miner_info.data_is_empty() {
@@ -53,6 +54,24 @@ pub fn process_mine(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramResult
.assert_mut(|m| m.authority == *signer_info.key)?
};
// Update miner stats.
miner.total_hashes += amount;
// Burn hash tokens.
burn(sender_info, mint_info, signer_info, token_program, amount)?;
// Set block slot hash.
if block.slot_hash == [0; 32] {
let slot_hashes =
bincode::deserialize::<SlotHashes>(slot_hashes_sysvar.data.borrow().as_ref()).unwrap();
let Some(slot_hash) = slot_hashes.get(&block.start_slot) else {
// If mine is not called within 2.5 minutes of the block starting,
// then the slot hash will be unavailable and secure hashes cannot be generated.
return Ok(());
};
block.slot_hash = slot_hash.to_bytes();
}
// Reset miner hash if mining new block.
if miner.block_id != block.id {
miner.block_id = block.id;
@@ -69,11 +88,5 @@ pub fn process_mine(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramResult
}
}
// Update miner stats.
miner.total_hashes += amount;
// Burn hash tokens.
burn(sender_info, mint_info, signer_info, token_program, amount)?;
Ok(())
}