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scaffolding

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Hardhat Chad
2025-05-23 18:41:54 -07:00
parent e942e7ae5b
commit 495dd4ad4b
12 changed files with 169 additions and 54 deletions
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20
program/src/bet.rs
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@@ -4,10 +4,12 @@ use ore_api::prelude::*;
use solana_program::{keccak::hashv, slot_hashes::SlotHash};
use steel::*;
/// Places a bet.
pub fn process_bet(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramResult {
// Parse data.
let args = Bet::try_from_bytes(data)?;
let amount = u64::from_le_bytes(args.amount);
let seed = args.seed;
// Load accounts.
let clock = Clock::get()?;
@@ -24,11 +26,7 @@ pub fn process_bet(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramResult {
block_bets_info.as_associated_token_account(block_info.key, &block.mint)?;
sender_info.as_associated_token_account(signer_info.key, &block.mint)?;
wager_info.is_writable()?.is_empty()?.has_seeds(
&[
WAGER,
&block.current_round.to_le_bytes(),
&block.bet_count.to_le_bytes(),
],
&[WAGER, &block.current_round.to_le_bytes(), &seed],
&ore_api::ID,
)?;
system_program.is_program(&system_program::ID)?;
@@ -55,18 +53,12 @@ pub fn process_bet(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramResult {
wager.timestamp = clock.unix_timestamp as u64;
wager.cumulative_bets = block.total_bets;
// Update block.
// Update block stats.
block.total_bets += amount;
block.bet_count += 1;
// Hash client seed into block noise. Use a recent slot hash if no seed is provided.
// This follows the scheme for provable randomness.
let seed: &[u8] = if args.seed == [0; 32] {
&slot_hashes_sysvar.data.borrow()[0..size_of::<SlotHash>()]
} else {
args.seed.as_slice()
};
block.noise = hashv(&[&block.noise, seed]).to_bytes();
// Hash client seed into block noise. This follows the scheme for provable randomness.
block.noise = hashv(&[&block.noise, &seed]).to_bytes();
// Transfer wagers.
transfer(