74 lines
2.6 KiB
Rust
74 lines
2.6 KiB
Rust
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use crate::account::*;
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use crate::error::*;
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use anchor_lang::prelude::*;
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use anchor_spl::token::{Mint, Token};
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use spl_governance::state::realm;
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use std::mem::size_of;
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#[derive(Accounts)]
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#[instruction(vote_weight_decimals: u8, registrar_bump: u8)]
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pub struct CreateRegistrar<'info> {
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/// a voting registrar. There can only be a single registrar
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/// per governance realm and governing mint.
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#[account(
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init,
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seeds = [realm.key().as_ref(), b"registrar".as_ref(), realm_governing_token_mint.key().as_ref()],
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bump = registrar_bump,
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payer = payer,
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space = 8 + size_of::<Registrar>()
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)]
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pub registrar: Box<Account<'info, Registrar>>,
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// realm is validated in the instruction:
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// - realm is owned by the governance_program_id
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// - realm_governing_token_mint must be the community or council mint
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// - realm_authority is realm.authority
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pub realm: UncheckedAccount<'info>,
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pub governance_program_id: UncheckedAccount<'info>,
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pub realm_governing_token_mint: Account<'info, Mint>,
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pub realm_authority: Signer<'info>,
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pub clawback_authority: UncheckedAccount<'info>,
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#[account(mut)]
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pub payer: Signer<'info>,
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pub system_program: Program<'info, System>,
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pub token_program: Program<'info, Token>,
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pub rent: Sysvar<'info, Rent>,
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}
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/// Creates a new voting registrar. There can only be a single registrar
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/// per governance realm.
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pub fn create_registrar(
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ctx: Context<CreateRegistrar>,
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vote_weight_decimals: u8,
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registrar_bump: u8,
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) -> Result<()> {
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msg!("--------create_registrar--------");
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let registrar = &mut ctx.accounts.registrar;
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registrar.bump = registrar_bump;
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registrar.governance_program_id = ctx.accounts.governance_program_id.key();
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registrar.realm = ctx.accounts.realm.key();
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registrar.realm_governing_token_mint = ctx.accounts.realm_governing_token_mint.key();
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registrar.realm_authority = ctx.accounts.realm_authority.key();
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registrar.clawback_authority = ctx.accounts.clawback_authority.key();
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registrar.vote_weight_decimals = vote_weight_decimals;
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registrar.time_offset = 0;
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// Verify that "realm_authority" is the expected authority on "realm"
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// and that the mint matches one of the realm mints too.
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let realm = realm::get_realm_data_for_governing_token_mint(
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®istrar.governance_program_id,
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&ctx.accounts.realm.to_account_info(),
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®istrar.realm_governing_token_mint,
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)?;
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require!(
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realm.authority.unwrap() == ctx.accounts.realm_authority.key(),
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ErrorCode::InvalidRealmAuthority
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);
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Ok(())
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}
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