123 lines
3.9 KiB
Rust
123 lines
3.9 KiB
Rust
use anchor_lang::prelude::*;
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use fixed::types::I80F48;
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use super::InterestRateParams;
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use crate::accounts_zerocopy::LoadMutZeroCopyRef;
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use crate::state::*;
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#[derive(Accounts)]
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#[instruction(token_index: TokenIndex, bank_num: u64)]
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pub struct TokenEdit<'info> {
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#[account(
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has_one = admin,
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)]
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pub group: AccountLoader<'info, Group>,
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pub admin: Signer<'info>,
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#[account(
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has_one = group
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)]
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pub mint_info: AccountLoader<'info, MintInfo>,
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}
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#[allow(unused_variables)]
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#[allow(clippy::too_many_arguments)]
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pub fn token_edit(
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ctx: Context<TokenEdit>,
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bank_num: u64,
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oracle_opt: Option<Pubkey>,
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oracle_config_opt: Option<OracleConfig>,
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interest_rate_params_opt: Option<InterestRateParams>,
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loan_fee_rate_opt: Option<f32>,
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loan_origination_fee_rate_opt: Option<f32>,
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maint_asset_weight_opt: Option<f32>,
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init_asset_weight_opt: Option<f32>,
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maint_liab_weight_opt: Option<f32>,
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init_liab_weight_opt: Option<f32>,
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liquidation_fee_opt: Option<f32>,
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) -> Result<()> {
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ctx.accounts
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.mint_info
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.load()?
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.verify_banks_ais(ctx.remaining_accounts)?;
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for ai in ctx.remaining_accounts.iter() {
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let mut bank = ai.load_mut::<Bank>()?;
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// note: unchanged fields are inline, and match exact definition in register_token
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// please maintain, and don't remove, makes it easy to reason about which support admin modification
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// unchanged -
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// name
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// group
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// mint
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// vault
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if let Some(oracle) = oracle_opt {
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bank.oracle = oracle;
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}
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if let Some(oracle_config) = oracle_config_opt {
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bank.oracle_config = oracle_config;
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};
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// unchanged -
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// deposit_index
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// borrow_index
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// cached_indexed_total_deposits
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// cached_indexed_total_borrows
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// indexed_deposits
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// indexed_borrows
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// last_updated
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if let Some(ref interest_rate_params) = interest_rate_params_opt {
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// TODO: add a require! verifying relation between the parameters
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bank.adjustment_factor = I80F48::from_num(interest_rate_params.adjustment_factor);
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bank.util0 = I80F48::from_num(interest_rate_params.util0);
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bank.rate0 = I80F48::from_num(interest_rate_params.rate0);
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bank.util1 = I80F48::from_num(interest_rate_params.util1);
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bank.rate1 = I80F48::from_num(interest_rate_params.rate1);
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bank.max_rate = I80F48::from_num(interest_rate_params.max_rate);
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}
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// unchanged -
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// collected_fees_native
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if let Some(loan_origination_fee_rate) = loan_origination_fee_rate_opt {
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bank.loan_origination_fee_rate = I80F48::from_num(loan_origination_fee_rate);
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}
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if let Some(loan_fee_rate) = loan_fee_rate_opt {
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bank.loan_fee_rate = I80F48::from_num(loan_fee_rate);
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}
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if let Some(maint_asset_weight) = maint_asset_weight_opt {
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bank.maint_asset_weight = I80F48::from_num(maint_asset_weight);
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}
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if let Some(init_asset_weight) = init_asset_weight_opt {
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bank.init_asset_weight = I80F48::from_num(init_asset_weight);
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}
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if let Some(maint_liab_weight) = maint_liab_weight_opt {
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bank.maint_liab_weight = I80F48::from_num(maint_liab_weight);
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}
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if let Some(init_liab_weight) = init_liab_weight_opt {
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bank.init_liab_weight = I80F48::from_num(init_liab_weight);
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}
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if let Some(liquidation_fee) = liquidation_fee_opt {
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bank.liquidation_fee = I80F48::from_num(liquidation_fee);
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}
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// unchanged -
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// dust
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// flash_loan_vault_initial
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// flash_loan_approved_amount
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// token_index
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// bump
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// mint_decimals
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// bank_num
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// reserved
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}
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Ok(())
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}
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