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37 lines
1.2 KiB
Rust
37 lines
1.2 KiB
Rust
use solana_program::{
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account_info::AccountInfo, entrypoint::ProgramResult, program_error::ProgramError,
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pubkey::Pubkey, system_program,
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};
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use crate::{instruction::RegisterArgs, loaders::*};
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/// Register generates a new hash chain for a prospective miner. Its responsibilities include:
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/// 1. Initialize a new proof account.
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/// 2. Generate an initial hash from the signer's key.
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///
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/// Safety requirements:
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/// - Register is a permissionless instruction and can be invoked by any singer.
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/// - Can only succeed if the provided proof acount PDA is valid (associated with the signer).
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/// - Can only succeed once per signer.
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/// - The provided system program must be valid.
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pub fn process_deregister<'a, 'info>(
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_program_id: &Pubkey,
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accounts: &'a [AccountInfo<'info>],
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data: &[u8],
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) -> ProgramResult {
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// Load accounts
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let [signer, proof_info, system_program] = accounts else {
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return Err(ProgramError::NotEnoughAccountKeys);
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};
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load_signer(signer)?;
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load_proof(proof_info, signer.key, true)?;
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load_program(system_program, system_program::id())?;
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// TODO Ensure proof.balance == 0
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// TODO Send lamports to signer
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// TODO Realloc data to 0
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// TODO Reassign back to system program
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Ok(())
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}
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