70 lines
2.0 KiB
Rust
70 lines
2.0 KiB
Rust
use anchor_lang::prelude::*;
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use crate::error::MangoError;
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use crate::state::*;
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#[derive(Accounts)]
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#[instruction(perp_market_index: PerpMarketIndex)]
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pub struct CreatePerpMarket<'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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pub oracle: UncheckedAccount<'info>,
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#[account(
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init,
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seeds = [group.key().as_ref(), b"PerpMarket".as_ref(), &perp_market_index.to_le_bytes().as_ref()],
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bump,
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payer = payer,
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space = 8 + std::mem::size_of::<PerpMarket>(),
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)]
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pub perp_market: AccountLoader<'info, PerpMarket>,
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/// Accounts are initialised by client,
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/// anchor discriminator is set first when ix exits,
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#[account(zero)]
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pub bids: AccountLoader<'info, BookSide>,
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#[account(zero)]
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pub asks: AccountLoader<'info, BookSide>,
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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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}
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pub fn create_perp_market(
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ctx: Context<CreatePerpMarket>,
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perp_market_index: PerpMarketIndex,
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base_token_index_opt: Option<TokenIndex>,
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quote_token_index: TokenIndex,
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quote_lot_size: i64,
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base_lot_size: i64,
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) -> Result<()> {
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let mut perp_market = ctx.accounts.perp_market.load_init()?;
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*perp_market = PerpMarket {
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group: ctx.accounts.group.key(),
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oracle: ctx.accounts.oracle.key(),
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bids: ctx.accounts.bids.key(),
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asks: ctx.accounts.asks.key(),
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quote_lot_size: quote_lot_size,
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base_lot_size: base_lot_size,
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seq_num: 0,
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perp_market_index,
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base_token_index: base_token_index_opt.ok_or(TokenIndex::MAX).unwrap(),
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quote_token_index,
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bump: *ctx.bumps.get("perp_market").ok_or(MangoError::SomeError)?,
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};
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let mut bids = ctx.accounts.bids.load_init()?;
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bids.book_side_type = BookSideType::Bids;
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let mut asks = ctx.accounts.asks.load_init()?;
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asks.book_side_type = BookSideType::Asks;
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Ok(())
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}
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