This commit is contained in:
Hardhat Chad
2024-07-29 23:27:58 +00:00
parent e143ea0876
commit accab7e0e8
8 changed files with 30 additions and 112 deletions

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@@ -6,14 +6,7 @@ use solana_program::{
use crate::utils::AccountDeserialize;
/// Claim distributes Ore from the treasury to a miner. Its responsibilies include:
/// 1. Decrement the miner's claimable balance.
/// 2. Transfer tokens from the treasury to the miner.
///
/// Safety requirements:
/// - Claim is a permissionless instruction and can be called by any user.
/// - Can only succeed if the claimed amount is less than or equal to the miner's claimable rewards.
/// - The provided beneficiary, token account, treasury, treasury token account, and token program must be valid.
/// Claim distributes ORE from the treasury to a miner.
pub fn process_claim<'a, 'info>(accounts: &'a [AccountInfo<'info>], data: &[u8]) -> ProgramResult {
// Parse args
let args = ClaimArgs::try_from_bytes(data)?;

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@@ -6,14 +6,7 @@ use solana_program::{
use crate::utils::AccountDeserialize;
/// Close closes a proof account and returns the rent to the owner. Its responsibilities include:
/// 1. Realloc proof account size to 0.
/// 2. Transfer lamports to the owner.
///
/// Safety requirements:
/// - Deregister is a permissionless instruction and can be invoked by any singer.
/// - Can only succeed if the provided proof acount PDA is valid (associated with the signer).
/// - The provided system program must be valid.
/// Close closes a proof account and returns the rent to the owner.
pub fn process_close<'a, 'info>(accounts: &'a [AccountInfo<'info>], _data: &[u8]) -> ProgramResult {
// Load accounts
let [signer, proof_info, system_program] = accounts else {

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@@ -18,24 +18,7 @@ use spl_token::state::Mint;
use crate::utils::{create_pda, AccountDeserialize, Discriminator};
/// Initialize sets up the Ore program. Its responsibilities include:
/// 1. Initialize the 8 bus accounts.
/// 2. Initialize the treasury account.
/// 3. Initialize the Ore mint account.
/// 4. Initialize the mint metadata account.
/// 5. Initialize the treasury token account.
/// 6. Set the signer as the program admin.
///
/// Safety requirements:
/// - Initialize is a permissionless instruction and can be called by anyone.
/// - Can only succeed once for the entire lifetime of the program.
/// - Can only succeed if all provided PDAs match their expected values.
/// - Can only succeed if provided system program, token program,
/// associated token program, metadata program, and rent sysvar are valid.
///
/// Discussion
/// - The signer of this instruction is set as the program admin and the
/// upgrade authority of the mint metadata account.
/// Initialize sets up the ORE program to begin mining.
pub fn process_initialize<'a, 'info>(
accounts: &'a [AccountInfo<'info>],
data: &[u8],

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@@ -16,7 +16,6 @@ use solana_program::{
blake3::hashv,
clock::Clock,
entrypoint::ProgramResult,
log::sol_log,
program_error::ProgramError,
pubkey::Pubkey,
sanitize::SanitizeError,
@@ -27,20 +26,7 @@ use solana_program::{
use crate::utils::AccountDeserialize;
/// Mine is the primary workhorse instruction of the Ore program. Its responsibilities include:
/// 1. Calculate the hash from the provided nonce.
/// 2. Payout rewards based on difficulty, staking multiplier, and liveness penalty.
/// 3. Generate a new challenge for the miner.
/// 4. Update the miner's lifetime stats.
///
/// Safety requirements:
/// - Mine is a permissionless instruction and can be called by any signer.
/// - Can only succeed if mining is not paused.
/// - Can only succeed if the last reset was less than 60 seconds ago.
/// - Can only succeed if the provided hash satisfies the minimum difficulty requirement.
/// - Can only succeed if the miners proof pubkey matches the declared proof pubkey.
/// - The provided proof account must be associated with the signer.
/// - The provided bus, config, noise, stake, and slot hash sysvar must be valid.
/// Mine validates hashes and increments a miner's collectable balance.
pub fn process_mine<'a, 'info>(accounts: &'a [AccountInfo<'info>], data: &[u8]) -> ProgramResult {
// Parse args
let args = MineArgs::try_from_bytes(data)?;
@@ -59,13 +45,7 @@ pub fn process_mine<'a, 'info>(accounts: &'a [AccountInfo<'info>], data: &[u8])
load_sysvar(slot_hashes_sysvar, sysvar::slot_hashes::id())?;
// Authenticate the proof account
if let Ok(Some(auth_address)) = authenticate(&instructions_sysvar.data.borrow()) {
if auth_address.ne(proof_info.key) {
return Err(OreError::AuthFailed.into());
}
} else {
return Err(OreError::AuthFailed.into());
}
authenticate(&instructions_sysvar.data.borrow(), proof_info.key)?;
// Validate epoch is active.
let config_data = config_info.data.borrow();
@@ -110,7 +90,6 @@ pub fn process_mine<'a, 'info>(accounts: &'a [AccountInfo<'info>], data: &[u8])
.base_reward_rate
.checked_mul(2u64.checked_pow(normalized_difficulty).unwrap())
.unwrap();
sol_log(&format!("Diff {}", difficulty));
// Apply staking multiplier.
// If user has greater than or equal to the max stake on the network, they receive 2x multiplier.
@@ -183,24 +162,29 @@ pub fn process_mine<'a, 'info>(accounts: &'a [AccountInfo<'info>], data: &[u8])
Ok(())
}
/// Get the authenticated pubkey.
/// Authenticate the proof account.
///
/// The intent here is to disincentivize sybil. If a user can fit multiple hashes into a single
/// transaction, there is a financial incentive to sybil multiple keypairs and pack as many hashes
/// as possible into each transaction to minimize fee / hash.
/// This process is necessary to prevent sybil attacks. If a user can pack multiple hashes into a single
/// transaction, then there is a financial incentive to mine across multiple keypairs and submit as many hashes
/// as possible in each transaction to minimize fee / hash.
///
/// If each transaction is limited to one hash only, then a user will minimize their fee / hash
/// by allocating all their hashpower to finding the single most difficult hash they can.
///
/// We solve this by "authenticating" the proof account on every mine instruction. That is,
/// every transaction with a `mine` instruction needs to include an `auth` instruction that
/// specifies the proof account that will be used. The `auth` instruction must be first ORE
/// instruction in the transaction. The `mine` instruction should error out if the provided proof
/// account doesn't match the authenticated address.
///
/// Errors if:
/// - Fails to find and parse an authentication address.
fn authenticate(data: &[u8]) -> Result<Option<Pubkey>, SanitizeError> {
/// We prevent this by forcing every transaction to declare the proof account being mined with upfont.
/// The authentication process includes passing the 32 byte pubkey address as instruction data to the
/// CU-optimized noop program. We parse this address through transaction introspection and use it to
/// ensure only one proof account can be used for `mine` instructions for a given transaction.
fn authenticate(data: &[u8], proof_address: &Pubkey) -> ProgramResult {
if let Ok(Some(auth_address)) = parse_auth_address(data) {
if proof_address.ne(&auth_address) {
return Err(OreError::AuthFailed.into());
}
} else {
return Err(OreError::AuthFailed.into());
}
Ok(())
}
/// Use transaction introspection to parse the authenticated pubkey.
fn parse_auth_address(data: &[u8]) -> Result<Option<Pubkey>, SanitizeError> {
// Start the current byte index at 0
let mut curr = 0;
let num_instructions = read_u16(&mut curr, data)?;

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@@ -14,15 +14,11 @@ use solana_program::{
use crate::utils::{create_pda, AccountDeserialize, Discriminator};
/// Register generates a new hash chain for a prospective miner. Its responsibilities include:
/// 1. Initialize a new proof account.
/// 2. Generate an initial hash from the signer's key.
/// Open creates a new proof account to track a miner's state.
///
/// Safety requirements:
/// - Register is a permissionless instruction and can be invoked by any singer.
/// - Can only succeed if the provided proof acount PDA is valid (associated with the signer).
/// - Can only succeed if the user does not already have a proof account.
/// - The provided system program must be valid.
pub fn process_open<'a, 'info>(accounts: &'a [AccountInfo<'info>], data: &[u8]) -> ProgramResult {
// Parse args
let args = OpenArgs::try_from_bytes(data)?;

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@@ -12,25 +12,7 @@ use spl_token::state::Mint;
use crate::utils::AccountDeserialize;
/// Reset sets up the Ore program for the next epoch. Its responsibilities include:
/// 1. Reset bus account rewards counters.
/// 2. Adjust the reward rate to stabilize inflation.
/// 3. Top up the treasury token account to fund claims.
///
/// Safety requirements:
/// - Reset is a permissionless instruction and can be invoked by any signer.
/// - Can only succeed if START_AT has passed.
/// - Can only succeed if more tha 60 seconds or more have passed since the last successful reset.
/// - The busses, mint, treasury, treasury token account, and token program must all be valid.
///
/// Discussion:
/// - It is important that `reset` can only be invoked once per 60 second period to ensure the supply growth rate
/// stays within the guaranteed bounds of 0 ≤ R ≤ 2 ORE/min.
/// - The reward rate is dynamically adjusted based on last epoch's theoretical reward rate to target an average
/// supply growth rate of 1 ORE/min.
/// - The "theoretical" reward rate refers to the amount that would have been paid out if rewards were not capped by
/// the bus limits. It's necessary to use this value to ensure the reward rate update calculation accurately
/// accounts for the difficulty of submitted hashes.
/// Reset tops up the busses, updates the base reward rate, and generally sets up the ORE program for the next epoch.
pub fn process_reset<'a, 'info>(accounts: &'a [AccountInfo<'info>], _data: &[u8]) -> ProgramResult {
// Load accounts
let [signer, bus_0_info, bus_1_info, bus_2_info, bus_3_info, bus_4_info, bus_5_info, bus_6_info, bus_7_info, config_info, mint_info, treasury_info, treasury_tokens_info, token_program] =

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@@ -7,14 +7,7 @@ use solana_program::{
use crate::utils::AccountDeserialize;
/// Stake deposits Ore into a miner's proof account to earn multiplier. Its responsibilies include:
/// 1. Transfer tokens from the miner to the treasury account.
/// 2. Increment the miner's claimable balance.
///
/// Safety requirements:
/// - Stake is a permissionless instruction and can be called by any user.
/// - Can only succeed if the amount is less than or equal to the miner's transferable tokens.
/// - The provided beneficiary, proof, sender, treasury token account, and token program must be valid.
/// Stake deposits ORE into a proof account to earn multiplier.
pub fn process_stake<'a, 'info>(accounts: &'a [AccountInfo<'info>], data: &[u8]) -> ProgramResult {
// Parse args
let args = StakeArgs::try_from_bytes(data)?;

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@@ -6,13 +6,7 @@ use solana_program::{
};
use spl_token::state::Mint;
/// Upgrade allows a user to migrate a v1 token to a v2 token one-for-one. Its responsibilies include:
/// 1. Burns the v1 tokens.
/// 2. Mints an equivalent number of v2 tokens to the user.
///
/// Safety requirements:
/// - Upgrade is a permissionless instruction and can be called by any user.
/// - The provided beneficiary, mint, mint v1, sender, and token program must be valid.
/// Upgrade allows a user to migrate a v1 token to a v2 token at a 1:1 exchange rate.
pub fn process_upgrade<'a, 'info>(
accounts: &'a [AccountInfo<'info>],
data: &[u8],