miner-api 0.1.1

Instructions, state and SDK for the MINER protocol - a proof-of-work mined SPL token where holdings boost mining power
Documentation 
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use solana_program::program_error::ProgramError;

/// Program errors (mapped to ProgramError::Custom).
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
#[repr(u32)]
pub enum MinerError {
    /// Hash does not meet the required difficulty.
    InvalidHash = 0,
    /// Account does not match the expected PDA / owner.
    InvalidAccount = 1,
    /// Wrong account discriminator.
    InvalidDiscriminator = 2,
    /// Signer is not authorized (neither authority nor session key).
    Unauthorized = 3,
    /// The given round is not the current round.
    RoundMismatch = 4,
    /// Miner already submitted in this round.
    AlreadySubmitted = 5,
    /// Round is still open (crank too early).
    RoundStillOpen = 6,
    /// Round too fresh to close (retention).
    RoundNotExpired = 7,
    /// Nothing to claim.
    NothingToClaim = 8,
    /// Token account mismatch (mint/owner/ATA).
    InvalidTokenAccount = 9,
    /// Mint does not meet the requirements (authority/decimals/freeze).
    InvalidMint = 10,
    /// Arithmetic overflow.
    Overflow = 11,
    /// Settling the previous round requires its account.
    SettlementRequired = 12,
}

impl From<MinerError> for ProgramError {
    fn from(e: MinerError) -> Self {
        ProgramError::Custom(e as u32)
    }
}