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instruction.rs
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instruction.rs
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//! Instruction types
#![allow(clippy::too_many_arguments)]
#![allow(deprecated)]
use crate::state::{AmmParams, Fees, LastOrderDistance, SimulateParams};
use arrayref::array_ref;
use solana_program::{
instruction::{AccountMeta, Instruction},
program_error::ProgramError,
program_pack::Pack,
pubkey::Pubkey,
sysvar,
};
use std::convert::TryInto;
use std::mem::size_of;
#[repr(C)]
#[derive(Clone, Copy, Debug, Default, PartialEq)]
pub struct InitializeInstruction {
/// nonce used to create valid program address
pub nonce: u8,
/// utc timestamps for pool open
pub open_time: u64,
}
#[repr(C)]
#[derive(Clone, Copy, Debug, Default, PartialEq)]
pub struct InitializeInstruction2 {
/// nonce used to create valid program address
pub nonce: u8,
/// utc timestamps for pool open
pub open_time: u64,
/// init token pc amount
pub init_pc_amount: u64,
/// init token coin amount
pub init_coin_amount: u64,
}
#[repr(C)]
#[derive(Clone, Copy, Debug, Default, PartialEq)]
pub struct PreInitializeInstruction {
/// nonce used to create valid program address
pub nonce: u8,
}
#[repr(C)]
#[derive(Clone, Copy, Debug, Default, PartialEq)]
pub struct MonitorStepInstruction {
/// max value of plan/new/cancel orders
pub plan_order_limit: u16,
pub place_order_limit: u16,
pub cancel_order_limit: u16,
}
#[repr(C)]
#[derive(Clone, Copy, Debug, Default, PartialEq)]
pub struct DepositInstruction {
/// Pool token amount to transfer. token_a and token_b amount are set by
/// the current exchange rate and size of the pool
pub max_coin_amount: u64,
pub max_pc_amount: u64,
pub base_side: u64,
pub other_amount_min: Option<u64>,
}
#[repr(C)]
#[derive(Clone, Copy, Debug, Default, PartialEq)]
pub struct WithdrawInstruction {
/// Pool token amount to transfer. token_a and token_b amount are set by
/// the current exchange rate and size of the pool
pub amount: u64,
pub min_coin_amount: Option<u64>,
pub min_pc_amount: Option<u64>,
}
#[repr(C)]
#[derive(Clone, Copy, Debug, Default, PartialEq)]
pub struct SetParamsInstruction {
pub param: u8,
pub value: Option<u64>,
pub new_pubkey: Option<Pubkey>,
pub fees: Option<Fees>,
pub last_order_distance: Option<LastOrderDistance>,
}
#[repr(C)]
#[derive(Clone, Copy, Debug, Default, PartialEq)]
pub struct WithdrawSrmInstruction {
pub amount: u64,
}
#[repr(C)]
#[derive(Clone, Copy, Debug, Default, PartialEq)]
pub struct SwapInstructionBaseIn {
// SOURCE amount to transfer, output to DESTINATION is based on the exchange rate
pub amount_in: u64,
/// Minimum amount of DESTINATION token to output, prevents excessive slippage
pub minimum_amount_out: u64,
}
#[repr(C)]
#[derive(Clone, Copy, Debug, Default, PartialEq)]
pub struct SwapInstructionBaseOut {
// SOURCE amount to transfer, output to DESTINATION is based on the exchange rate
pub max_amount_in: u64,
/// Minimum amount of DESTINATION token to output, prevents excessive slippage
pub amount_out: u64,
}
#[repr(C)]
#[derive(Clone, Copy, Debug, Default, PartialEq)]
pub struct SimulateInstruction {
pub param: u8,
pub swap_base_in_value: Option<SwapInstructionBaseIn>,
pub swap_base_out_value: Option<SwapInstructionBaseOut>,
}
#[repr(C)]
#[derive(Clone, Copy, Debug, Default, PartialEq)]
pub struct AdminCancelOrdersInstruction {
pub limit: u16,
}
/// Update config acccount params
#[repr(C)]
#[derive(Clone, Copy, Debug, Default, PartialEq)]
pub struct ConfigArgs {
pub param: u8,
pub owner: Option<Pubkey>,
pub create_pool_fee: Option<u64>,
}
/// Instructions supported by the AmmInfo program.
#[repr(C)]
#[derive(Clone, Debug, PartialEq)]
pub enum AmmInstruction {
/// Initializes a new AmmInfo.
///
/// Not supported yet, please use `Initialize2` to new a AMM pool
#[deprecated(note = "Not supported yet, please use `Initialize2` instead")]
Initialize(InitializeInstruction),
/// Initializes a new AMM pool.
///
/// 0. `[]` Spl Token program id
/// 1. `[]` Associated Token program id
/// 2. `[]` Sys program id
/// 3. `[]` Rent program id
/// 4. `[writable]` New AMM Account to create.
/// 5. `[]` $authority derived from `create_program_address(&[AUTHORITY_AMM, &[nonce]])`.
/// 6. `[writable]` AMM open orders Account
/// 7. `[writable]` AMM lp mint Account
/// 8. `[]` AMM coin mint Account
/// 9. `[]` AMM pc mint Account
/// 10. `[writable]` AMM coin vault Account. Must be non zero, owned by $authority.
/// 11. `[writable]` AMM pc vault Account. Must be non zero, owned by $authority.
/// 12. `[writable]` AMM target orders Account. To store plan orders informations.
/// 13. `[]` AMM config Account, derived from `find_program_address(&[&&AMM_CONFIG_SEED])`.
/// 14. `[]` AMM create pool fee destination Account
/// 15. `[]` Market program id
/// 16. `[writable]` Market Account. Market program is the owner.
/// 17. `[writable, signer]` User wallet Account
/// 18. `[]` User token coin Account
/// 19. '[]` User token pc Account
/// 20. `[writable]` User destination lp token ATA Account
Initialize2(InitializeInstruction2),
/// MonitorStep. To monitor place Amm order state machine turn around step by step.
///
/// 0. `[]` Spl Token program id
/// 1. `[]` Rent program id
/// 2. `[]` Sys Clock id
/// 3. `[writable]` AMM Account
/// 4. `[]` $authority derived from `create_program_address(&[AUTHORITY_AMM, &[nonce]])`.
/// 5. `[writable]` AMM open orders Account
/// 6. `[writable]` AMM target orders Account. To store plan orders infomations.
/// 7. `[writable]` AMM coin vault Account. Must be non zero, owned by $authority.
/// 8. `[writable]` AMM pc vault Account. Must be non zero, owned by $authority.
/// 9. `[]` Market program id
/// 10. `[writable]` Market Account. Market program is the owner.
/// 11. `[writable]` Market coin vault Account
/// 12. `[writable]` Market pc vault Account
/// 13. '[]` Market vault signer Account
/// 14. '[writable]` Market request queue Account
/// 15. `[writable]` Market event queue Account
/// 16. `[writable]` Market bids Account
/// 17. `[writable]` Market asks Account
/// 18. `[writable]` (optional) the (M)SRM account used for fee discounts
/// 19. `[writable]` (optional) the referrer pc account used for settle back referrer
MonitorStep(MonitorStepInstruction),
/// Deposit some tokens into the pool. The output is a "pool" token representing ownership
/// into the pool. Inputs are converted to the current ratio.
///
/// 0. `[]` Spl Token program id
/// 1. `[writable]` AMM Account
/// 2. `[]` $authority derived from `create_program_address(&[AUTHORITY_AMM, &[nonce]])`.
/// 3. `[]` AMM open_orders Account
/// 4. `[writable]` AMM target orders Account. To store plan orders infomations.
/// 5. `[writable]` AMM lp mint Account. Owned by $authority.
/// 6. `[writable]` AMM coin vault $authority can transfer amount,
/// 7. `[writable]` AMM pc vault $authority can transfer amount,
/// 8. `[]` Market Account. Market program is the owner.
/// 9. `[writable]` User coin token Account to deposit into.
/// 10. `[writable]` User pc token Account to deposit into.
/// 11. `[writable]` User lp token. To deposit the generated tokens, user is the owner.
/// 12. '[signer]` User wallet Account
/// 13. `[]` Market event queue Account.
Deposit(DepositInstruction),
/// Withdraw the vault tokens from the pool at the current ratio.
///
/// 0. `[]` Spl Token program id
/// 1. `[writable]` AMM Account
/// 2. `[]` $authority derived from `create_program_address(&[AUTHORITY_AMM, &[nonce]])`.
/// 3. `[writable]` AMM open orders Account
/// 4. `[writable]` AMM target orders Account
/// 5. `[writable]` AMM lp mint Account. Owned by $authority.
/// 6. `[writable]` AMM coin vault Account to withdraw FROM,
/// 7. `[writable]` AMM pc vault Account to withdraw FROM,
/// 8. `[]` Market program id
/// 9. `[writable]` Market Account. Market program is the owner.
/// 10. `[writable]` Market coin vault Account
/// 11. `[writable]` Market pc vault Account
/// 12. '[]` Market vault signer Account
/// 13. `[writable]` User lp token Account.
/// 14. `[writable]` User token coin Account. user Account to credit.
/// 15. `[writable]` User token pc Account. user Account to credit.
/// 16. `[signer]` User wallet Account
/// 17. `[writable]` Market event queue Account
/// 18. `[writable]` Market bids Account
/// 19. `[writable]` Market asks Account
Withdraw(WithdrawInstruction),
/// Migrate the associated market from Serum to OpenBook.
///
/// 0. `[]` Spl Token program id
/// 1. `[]` Sys program id
/// 2. `[]` Rent program id
/// 3. `[writable]` AMM Account
/// 4. `[]` $authority derived from `create_program_address(&[AUTHORITY_AMM, &[nonce]])`.
/// 5. `[writable]` AMM open orders Account
/// 6. `[writable]` AMM coin vault account owned by $authority,
/// 7. `[writable]` AMM pc vault account owned by $authority,
/// 8. `[writable]` AMM target orders Account
/// 9. `[]` Market program id
/// 10. `[writable]` Market Account. Market program is the owner.
/// 11. `[writable]` Market bids Account
/// 12. `[writable]` Market asks Account
/// 13. `[writable]` Market event queue Account
/// 14. `[writable]` Market coin vault Account
/// 15. `[writable]` Market pc vault Account
/// 16. '[]` Market vault signer Account
/// 17. '[writable]` AMM new open orders Account
/// 18. '[]` mew Market program id
/// 19. '[]` new Market market Account
/// 20. '[]` Admin Account
MigrateToOpenBook,
/// Set AMM params
///
/// 0. `[]` Spl Token program id
/// 1. `[writable]` AMM Account.
/// 2. `[]` $authority derived from `create_program_address(&[AUTHORITY_AMM, &[nonce]])`.
/// 3. `[writable]` AMM open orders Account
/// 4. `[writable]` AMM target orders Account
/// 5. `[writable]` AMM coin vault account owned by $authority,
/// 6. `[writable]` AMM pc vault account owned by $authority,
/// 7. `[]` Market program id
/// 8. `[writable]` Market Account. Market program is the owner.
/// 9. `[writable]` Market coin vault Account
/// 10. `[writable]` Market pc vault Account
/// 11. '[]` Market vault signer Account
/// 12. `[writable]` Market event queue Account
/// 13. `[writable]` Market bids Account
/// 14. `[writable]` Market asks Account
/// 15. `[signer]` Admin Account
/// 16. `[]` (optional) New AMM open orders Account to replace old AMM open orders Account
SetParams(SetParamsInstruction),
/// Withdraw Pnl from pool by protocol
///
/// 0. `[]` Spl Token program id
/// 1. `[writable]` AMM Account
/// 2. `[]` AMM config Account, derived from `find_program_address(&[&&AMM_CONFIG_SEED])`.
/// 3. `[]` $authority derived from `create_program_address(&[AUTHORITY_AMM, &[nonce]])`.
/// 4. `[writable]` AMM open orders Account
/// 5. `[writable]` AMM coin vault account to withdraw FROM,
/// 6. `[writable]` AMM pc vault account to withdraw FROM,
/// 7. `[writable]` User coin token Account to withdraw to
/// 8. `[writable]` User pc token Account to withdraw to
/// 9. `[signer]` User wallet account
/// 10. `[writable]` AMM target orders Account
/// 11. `[]` Market program id
/// 12. `[writable]` Market Account. Market program is the owner.
/// 13. `[writable]` Market event queue Account
/// 14. `[writable]` Market coin vault Account
/// 15. `[writable]` Market pc vault Account
/// 16. '[]` Market vault signer Account
/// 17. `[]` (optional) the referrer pc account used for settle back referrer
WithdrawPnl,
/// Withdraw (M)SRM from the (M)SRM Account used for fee discounts by admin
///
/// 0. `[]` Spl Token program id
/// 1. `[]` AMM Account.
/// 2. `[signer]` Admin wallet Account
/// 3. `[]` $authority derived from `create_program_address(&[AUTHORITY_AMM, &[nonce]])`.
/// 4. `[writable]` the (M)SRM Account withdraw from
/// 5. `[writable]` the (M)SRM Account withdraw to
WithdrawSrm(WithdrawSrmInstruction),
/// Swap coin or pc from pool, base amount_in with a slippage of minimum_amount_out
///
/// 0. `[]` Spl Token program id
/// 1. `[writable]` AMM Account
/// 2. `[]` $authority derived from `create_program_address(&[AUTHORITY_AMM, &[nonce]])`.
/// 3. `[writable]` AMM open orders Account
/// 4. `[writable]` (optional)AMM target orders Account, no longer used in the contract, recommended no need to add this Account.
/// 5. `[writable]` AMM coin vault Account to swap FROM or To.
/// 6. `[writable]` AMM pc vault Account to swap FROM or To.
/// 7. `[]` Market program id
/// 8. `[writable]` Market Account. Market program is the owner.
/// 9. `[writable]` Market bids Account
/// 10. `[writable]` Market asks Account
/// 11. `[writable]` Market event queue Account
/// 12. `[writable]` Market coin vault Account
/// 13. `[writable]` Market pc vault Account
/// 14. '[]` Market vault signer Account
/// 15. `[writable]` User source token Account.
/// 16. `[writable]` User destination token Account.
/// 17. `[signer]` User wallet Account
SwapBaseIn(SwapInstructionBaseIn),
/// Continue Initializes a new Amm pool because of compute units limit.
/// Not supported yet, please use `Initialize2` to new a Amm pool
#[deprecated(note = "Not supported yet, please use `Initialize2` instead")]
PreInitialize(PreInitializeInstruction),
/// Swap coin or pc from pool, base amount_out with a slippage of max_amount_in
///
/// 0. `[]` Spl Token program id
/// 1. `[writable]` AMM Account
/// 2. `[]` $authority derived from `create_program_address(&[AUTHORITY_AMM, &[nonce]])`.
/// 3. `[writable]` AMM open orders Account
/// 4. `[writable]` (optional)AMM target orders Account, no longer used in the contract, recommended no need to add this Account.
/// 5. `[writable]` AMM coin vault Account to swap FROM or To.
/// 6. `[writable]` AMM pc vault Account to swap FROM or To.
/// 7. `[]` Market program id
/// 8. `[writable]` Market Account. Market program is the owner.
/// 9. `[writable]` Market bids Account
/// 10. `[writable]` Market asks Account
/// 11. `[writable]` Market event queue Account
/// 12. `[writable]` Market coin vault Account
/// 13. `[writable]` Market pc vault Account
/// 14. '[]` Market vault signer Account
/// 15. `[writable]` User source token Account.
/// 16. `[writable]` User destination token Account.
/// 17. `[signer]` User wallet Account
SwapBaseOut(SwapInstructionBaseOut),
SimulateInfo(SimulateInstruction),
AdminCancelOrders(AdminCancelOrdersInstruction),
/// Create amm config account by admin
CreateConfigAccount,
/// Update amm config account by admin
UpdateConfigAccount(ConfigArgs),
}
impl AmmInstruction {
/// Unpacks a byte buffer into a [AmmInstruction](enum.AmmInstruction.html).
pub fn unpack(input: &[u8]) -> Result<Self, ProgramError> {
let (&tag, rest) = input
.split_first()
.ok_or(ProgramError::InvalidInstructionData)?;
Ok(match tag {
0 => {
let (nonce, rest) = Self::unpack_u8(rest)?;
let (open_time, _reset) = Self::unpack_u64(rest)?;
Self::Initialize(InitializeInstruction { nonce, open_time })
}
1 => {
let (nonce, rest) = Self::unpack_u8(rest)?;
let (open_time, rest) = Self::unpack_u64(rest)?;
let (init_pc_amount, rest) = Self::unpack_u64(rest)?;
let (init_coin_amount, _reset) = Self::unpack_u64(rest)?;
Self::Initialize2(InitializeInstruction2 {
nonce,
open_time,
init_pc_amount,
init_coin_amount,
})
}
2 => {
let (plan_order_limit, rest) = Self::unpack_u16(rest)?;
let (place_order_limit, rest) = Self::unpack_u16(rest)?;
let (cancel_order_limit, _rest) = Self::unpack_u16(rest)?;
Self::MonitorStep(MonitorStepInstruction {
plan_order_limit,
place_order_limit,
cancel_order_limit,
})
}
3 => {
let (max_coin_amount, rest) = Self::unpack_u64(rest)?;
let (max_pc_amount, rest) = Self::unpack_u64(rest)?;
let (base_side, rest) = Self::unpack_u64(rest)?;
let other_amount_min = if rest.len() >= 8 {
let (other_amount_min, _rest) = Self::unpack_u64(rest)?;
Some(other_amount_min)
} else {
None
};
Self::Deposit(DepositInstruction {
max_coin_amount,
max_pc_amount,
base_side,
other_amount_min,
})
}
4 => {
let (amount, rest) = Self::unpack_u64(rest)?;
let (min_coin_amount, min_pc_amount) = if rest.len() >= 16 {
let (min_coin_amount, rest) = Self::unpack_u64(rest)?;
let (min_pc_amount, _rest) = Self::unpack_u64(rest)?;
(Some(min_coin_amount), Some(min_pc_amount))
} else {
(None, None)
};
Self::Withdraw(WithdrawInstruction {
amount,
min_coin_amount,
min_pc_amount,
})
}
5 => Self::MigrateToOpenBook,
6 => {
let (param, rest) = Self::unpack_u8(rest)?;
match AmmParams::from_u64(param as u64) {
AmmParams::AmmOwner => {
if rest.len() >= 32 {
let new_pubkey = array_ref![rest, 0, 32];
Self::SetParams(SetParamsInstruction {
param,
value: None,
new_pubkey: Some(Pubkey::new_from_array(*new_pubkey)),
fees: None,
last_order_distance: None,
})
} else {
return Err(ProgramError::InvalidInstructionData.into());
}
}
AmmParams::Fees => {
if rest.len() >= Fees::LEN {
let (fees, _rest) = rest.split_at(Fees::LEN);
let fees = Fees::unpack_from_slice(fees)?;
Self::SetParams(SetParamsInstruction {
param,
value: None,
new_pubkey: None,
fees: Some(fees),
last_order_distance: None,
})
} else {
return Err(ProgramError::InvalidInstructionData.into());
}
}
AmmParams::LastOrderDistance => {
if rest.len() >= 16 {
let (last_order_numerator, rest) = Self::unpack_u64(rest)?;
let (last_order_denominator, _rest) = Self::unpack_u64(rest)?;
Self::SetParams(SetParamsInstruction {
param,
value: None,
new_pubkey: None,
fees: None,
last_order_distance: Some(LastOrderDistance {
last_order_numerator,
last_order_denominator,
}),
})
} else {
return Err(ProgramError::InvalidInstructionData.into());
}
}
_ => {
if rest.len() >= 8 {
let (value, _rest) = Self::unpack_u64(rest)?;
Self::SetParams(SetParamsInstruction {
param,
value: Some(value),
new_pubkey: None,
fees: None,
last_order_distance: None,
})
} else {
return Err(ProgramError::InvalidInstructionData.into());
}
}
}
}
7 => Self::WithdrawPnl,
8 => {
let (amount, _rest) = Self::unpack_u64(rest)?;
Self::WithdrawSrm(WithdrawSrmInstruction { amount })
}
9 => {
let (amount_in, rest) = Self::unpack_u64(rest)?;
let (minimum_amount_out, _rest) = Self::unpack_u64(rest)?;
Self::SwapBaseIn(SwapInstructionBaseIn {
amount_in,
minimum_amount_out,
})
}
10 => {
let (nonce, _rest) = Self::unpack_u8(rest)?;
Self::PreInitialize(PreInitializeInstruction { nonce })
}
11 => {
let (max_amount_in, rest) = Self::unpack_u64(rest)?;
let (amount_out, _rest) = Self::unpack_u64(rest)?;
Self::SwapBaseOut(SwapInstructionBaseOut {
max_amount_in,
amount_out,
})
}
12 => {
let (param, rest) = Self::unpack_u8(rest)?;
match SimulateParams::from_u64(param as u64) {
SimulateParams::PoolInfo | SimulateParams::RunCrankInfo => {
Self::SimulateInfo(SimulateInstruction {
param,
swap_base_in_value: None,
swap_base_out_value: None,
})
}
SimulateParams::SwapBaseInInfo => {
let (amount_in, rest) = Self::unpack_u64(rest)?;
let (minimum_amount_out, _rest) = Self::unpack_u64(rest)?;
let swap_base_in = Some(SwapInstructionBaseIn {
amount_in,
minimum_amount_out,
});
Self::SimulateInfo(SimulateInstruction {
param,
swap_base_in_value: swap_base_in,
swap_base_out_value: None,
})
}
SimulateParams::SwapBaseOutInfo => {
let (max_amount_in, rest) = Self::unpack_u64(rest)?;
let (amount_out, _rest) = Self::unpack_u64(rest)?;
let swap_base_out = Some(SwapInstructionBaseOut {
max_amount_in,
amount_out,
});
Self::SimulateInfo(SimulateInstruction {
param,
swap_base_in_value: None,
swap_base_out_value: swap_base_out,
})
}
}
}
13 => {
let (limit, _rest) = Self::unpack_u16(rest)?;
Self::AdminCancelOrders(AdminCancelOrdersInstruction { limit })
}
14 => Self::CreateConfigAccount,
15 => {
let (param, rest) = Self::unpack_u8(rest)?;
match param {
0 | 1 => {
let pubkey = array_ref![rest, 0, 32];
Self::UpdateConfigAccount(ConfigArgs {
param,
owner: Some(Pubkey::new_from_array(*pubkey)),
create_pool_fee: None,
})
}
2 => {
let (create_pool_fee, _rest) = Self::unpack_u64(rest)?;
Self::UpdateConfigAccount(ConfigArgs {
param,
owner: None,
create_pool_fee: Some(create_pool_fee),
})
}
_ => {
return Err(ProgramError::InvalidInstructionData.into());
}
}
}
_ => return Err(ProgramError::InvalidInstructionData.into()),
})
}
fn unpack_u8(input: &[u8]) -> Result<(u8, &[u8]), ProgramError> {
if input.len() >= 1 {
let (amount, rest) = input.split_at(1);
let amount = amount
.get(..1)
.and_then(|slice| slice.try_into().ok())
.map(u8::from_le_bytes)
.ok_or(ProgramError::InvalidInstructionData)?;
Ok((amount, rest))
} else {
Err(ProgramError::InvalidInstructionData.into())
}
}
fn unpack_u16(input: &[u8]) -> Result<(u16, &[u8]), ProgramError> {
if input.len() >= 2 {
let (amount, rest) = input.split_at(2);
let amount = amount
.get(..2)
.and_then(|slice| slice.try_into().ok())
.map(u16::from_le_bytes)
.ok_or(ProgramError::InvalidInstructionData)?;
Ok((amount, rest))
} else {
Err(ProgramError::InvalidInstructionData.into())
}
}
fn unpack_u64(input: &[u8]) -> Result<(u64, &[u8]), ProgramError> {
if input.len() >= 8 {
let (amount, rest) = input.split_at(8);
let amount = amount
.get(..8)
.and_then(|slice| slice.try_into().ok())
.map(u64::from_le_bytes)
.ok_or(ProgramError::InvalidInstructionData)?;
Ok((amount, rest))
} else {
Err(ProgramError::InvalidInstructionData.into())
}
}
/// Packs a [AmmInstruction](enum.AmmInstruction.html) into a byte buffer.
pub fn pack(&self) -> Result<Vec<u8>, ProgramError> {
let mut buf = Vec::with_capacity(size_of::<Self>());
match &*self {
Self::Initialize(InitializeInstruction { nonce, open_time }) => {
buf.push(0);
buf.push(*nonce);
buf.extend_from_slice(&open_time.to_le_bytes());
}
Self::Initialize2(InitializeInstruction2 {
nonce,
open_time,
init_pc_amount,
init_coin_amount,
}) => {
buf.push(1);
buf.push(*nonce);
buf.extend_from_slice(&open_time.to_le_bytes());
buf.extend_from_slice(&init_pc_amount.to_le_bytes());
buf.extend_from_slice(&init_coin_amount.to_le_bytes());
}
Self::MonitorStep(MonitorStepInstruction {
plan_order_limit,
place_order_limit,
cancel_order_limit,
}) => {
buf.push(2);
buf.extend_from_slice(&plan_order_limit.to_le_bytes());
buf.extend_from_slice(&place_order_limit.to_le_bytes());
buf.extend_from_slice(&cancel_order_limit.to_le_bytes());
}
Self::Deposit(DepositInstruction {
max_coin_amount,
max_pc_amount,
base_side,
other_amount_min,
}) => {
buf.push(3);
buf.extend_from_slice(&max_coin_amount.to_le_bytes());
buf.extend_from_slice(&max_pc_amount.to_le_bytes());
buf.extend_from_slice(&base_side.to_le_bytes());
if other_amount_min.is_some() {
buf.extend_from_slice(&other_amount_min.unwrap().to_le_bytes());
}
}
Self::Withdraw(WithdrawInstruction {
amount,
min_coin_amount,
min_pc_amount,
}) => {
buf.push(4);
buf.extend_from_slice(&amount.to_le_bytes());
if min_coin_amount.is_some() && min_pc_amount.is_some() {
buf.extend_from_slice(&min_coin_amount.unwrap().to_le_bytes());
buf.extend_from_slice(&min_pc_amount.unwrap().to_le_bytes());
}
}
Self::MigrateToOpenBook => {
buf.push(5);
}
Self::SetParams(SetParamsInstruction {
param,
value,
new_pubkey,
fees,
last_order_distance,
}) => {
buf.push(6);
buf.push(*param);
match AmmParams::from_u64(*param as u64) {
AmmParams::AmmOwner => {
let new_pubkey = match new_pubkey {
Some(a) => a,
None => return Err(ProgramError::InvalidInstructionData.into()),
};
buf.extend_from_slice(&new_pubkey.to_bytes());
}
AmmParams::Fees => {
let fees = match fees {
Some(a) => a,
None => return Err(ProgramError::InvalidInstructionData.into()),
};
let mut fees_slice = [0u8; Fees::LEN];
Pack::pack_into_slice(fees, &mut fees_slice[..]);
buf.extend_from_slice(&fees_slice);
}
AmmParams::LastOrderDistance => {
let distance = match last_order_distance {
Some(a) => a,
None => return Err(ProgramError::InvalidInstructionData.into()),
};
buf.extend_from_slice(&distance.last_order_numerator.to_le_bytes());
buf.extend_from_slice(&distance.last_order_denominator.to_le_bytes());
}
_ => {
let value = match value {
Some(a) => a,
None => return Err(ProgramError::InvalidInstructionData.into()),
};
buf.extend_from_slice(&value.to_le_bytes());
}
}
}
Self::WithdrawPnl => {
buf.push(7);
}
Self::WithdrawSrm(WithdrawSrmInstruction { amount }) => {
buf.push(8);
buf.extend_from_slice(&amount.to_le_bytes());
}
Self::SwapBaseIn(SwapInstructionBaseIn {
amount_in,
minimum_amount_out,
}) => {
buf.push(9);
buf.extend_from_slice(&amount_in.to_le_bytes());
buf.extend_from_slice(&minimum_amount_out.to_le_bytes());
}
Self::PreInitialize(PreInitializeInstruction { nonce }) => {
buf.push(10);
buf.push(*nonce);
}
Self::SwapBaseOut(SwapInstructionBaseOut {
max_amount_in,
amount_out,
}) => {
buf.push(11);
buf.extend_from_slice(&max_amount_in.to_le_bytes());
buf.extend_from_slice(&amount_out.to_le_bytes());
}
Self::SimulateInfo(SimulateInstruction {
param,
swap_base_in_value,
swap_base_out_value,
}) => {
buf.push(12);
buf.push(*param);
match SimulateParams::from_u64(*param as u64) {
SimulateParams::PoolInfo | SimulateParams::RunCrankInfo => {}
SimulateParams::SwapBaseInInfo => {
let swap_base_in = match swap_base_in_value {
Some(a) => a,
None => return Err(ProgramError::InvalidInstructionData.into()),
};
buf.extend_from_slice(&swap_base_in.amount_in.to_le_bytes());
buf.extend_from_slice(&swap_base_in.minimum_amount_out.to_le_bytes());
}
SimulateParams::SwapBaseOutInfo => {
let swap_base_out = match swap_base_out_value {
Some(a) => a,
None => return Err(ProgramError::InvalidInstructionData.into()),
};
buf.extend_from_slice(&swap_base_out.max_amount_in.to_le_bytes());
buf.extend_from_slice(&swap_base_out.amount_out.to_le_bytes());
}
}
}
Self::AdminCancelOrders(AdminCancelOrdersInstruction { limit }) => {
buf.push(13);
buf.extend_from_slice(&limit.to_le_bytes());
}
Self::CreateConfigAccount => {
buf.push(14);
}
Self::UpdateConfigAccount(ConfigArgs {
param,
owner,
create_pool_fee,
}) => {
buf.push(15);
buf.push(*param);
match param {
0 | 1 => {
let owner = match owner {
Some(owner) => {
if *owner == Pubkey::default() {
return Err(ProgramError::InvalidInstructionData.into());
} else {
owner
}
}
None => return Err(ProgramError::InvalidInstructionData.into()),
};
buf.extend_from_slice(&owner.to_bytes());
}
2 => {
let create_pool_fee = match create_pool_fee {
Some(create_pool_fee) => create_pool_fee,
None => return Err(ProgramError::InvalidInstructionData.into()),
};
buf.extend_from_slice(&create_pool_fee.to_le_bytes());
}
_ => return Err(ProgramError::InvalidInstructionData.into()),
}
}
}
Ok(buf)
}
}
/// Creates an 'initialize2' instruction.
pub fn initialize2(
amm_program: &Pubkey,
amm_pool: &Pubkey,
amm_authority: &Pubkey,
amm_open_orders: &Pubkey,
amm_lp_mint: &Pubkey,
amm_coin_mint: &Pubkey,
amm_pc_mint: &Pubkey,
amm_coin_vault: &Pubkey,
amm_pc_vault: &Pubkey,
amm_target_orders: &Pubkey,
amm_config: &Pubkey,
create_fee_destination: &Pubkey,
market_program: &Pubkey,
market: &Pubkey,
user_wallet: &Pubkey,
user_token_coin: &Pubkey,
user_token_pc: &Pubkey,
user_token_lp: &Pubkey,
nonce: u8,
open_time: u64,
init_pc_amount: u64,
init_coin_amount: u64,
) -> Result<Instruction, ProgramError> {
let init_data = AmmInstruction::Initialize2(InitializeInstruction2 {
nonce,
open_time,
init_pc_amount,
init_coin_amount,
});
let data = init_data.pack()?;
let accounts = vec![
// spl & sys
AccountMeta::new_readonly(spl_token::id(), false),
AccountMeta::new_readonly(spl_associated_token_account::id(), false),
AccountMeta::new_readonly(solana_program::system_program::id(), false),
AccountMeta::new_readonly(sysvar::rent::id(), false),
// amm
AccountMeta::new(*amm_pool, false),
AccountMeta::new_readonly(*amm_authority, false),
AccountMeta::new(*amm_open_orders, false),
AccountMeta::new(*amm_lp_mint, false),
AccountMeta::new_readonly(*amm_coin_mint, false),
AccountMeta::new_readonly(*amm_pc_mint, false),
AccountMeta::new(*amm_coin_vault, false),
AccountMeta::new(*amm_pc_vault, false),
AccountMeta::new(*amm_target_orders, false),
AccountMeta::new_readonly(*amm_config, false),
AccountMeta::new(*create_fee_destination, false),
// market
AccountMeta::new_readonly(*market_program, false),
AccountMeta::new_readonly(*market, false),
// user wallet
AccountMeta::new(*user_wallet, true),
AccountMeta::new(*user_token_coin, false),
AccountMeta::new(*user_token_pc, false),
AccountMeta::new(*user_token_lp, false),
];
Ok(Instruction {
program_id: *amm_program,
accounts,
data,
})
}
/// Creates a 'deposit' instruction.
pub fn deposit(
amm_program: &Pubkey,
amm_pool: &Pubkey,
amm_authority: &Pubkey,
amm_open_orders: &Pubkey,
amm_target_orders: &Pubkey,
amm_lp_mint: &Pubkey,
amm_coin_vault: &Pubkey,
amm_pc_vault: &Pubkey,
market: &Pubkey,
market_event_queue: &Pubkey,
user_token_coin: &Pubkey,
user_token_pc: &Pubkey,
user_token_lp: &Pubkey,
user_owner: &Pubkey,
max_coin_amount: u64,
max_pc_amount: u64,
base_side: u64,
other_amount_min: Option<u64>,
) -> Result<Instruction, ProgramError> {
let data = AmmInstruction::Deposit(DepositInstruction {
max_coin_amount,
max_pc_amount,
base_side,
other_amount_min,
})
.pack()?;
let accounts = vec![
// spl token
AccountMeta::new_readonly(spl_token::id(), false),
// amm
AccountMeta::new(*amm_pool, false),
AccountMeta::new_readonly(*amm_authority, false),
AccountMeta::new_readonly(*amm_open_orders, false),
AccountMeta::new(*amm_target_orders, false),
AccountMeta::new(*amm_lp_mint, false),
AccountMeta::new(*amm_coin_vault, false),
AccountMeta::new(*amm_pc_vault, false),
// market
AccountMeta::new_readonly(*market, false),
// user
AccountMeta::new(*user_token_coin, false),
AccountMeta::new(*user_token_pc, false),
AccountMeta::new(*user_token_lp, false),
AccountMeta::new_readonly(*user_owner, true),
AccountMeta::new_readonly(*market_event_queue, false),
];
Ok(Instruction {
program_id: *amm_program,
accounts,
data,
})
}
/// Creates a 'withdraw' instruction.
pub fn withdraw(
amm_program: &Pubkey,
amm_pool: &Pubkey,
amm_authority: &Pubkey,
amm_open_orders: &Pubkey,
amm_target_orders: &Pubkey,
amm_lp_mint: &Pubkey,
amm_coin_vault: &Pubkey,
amm_pc_vault: &Pubkey,
market_program: &Pubkey,
market: &Pubkey,
market_coin_vault: &Pubkey,
market_pc_vault: &Pubkey,
market_vault_signer: &Pubkey,
user_token_lp: &Pubkey,
user_token_coin: &Pubkey,
user_token_pc: &Pubkey,
user_owner: &Pubkey,
market_event_queue: &Pubkey,
market_bids: &Pubkey,
market_asks: &Pubkey,
referrer_pc_account: Option<&Pubkey>,
amount: u64,
min_coin_amount: Option<u64>,
min_pc_amount: Option<u64>,
) -> Result<Instruction, ProgramError> {
let data = AmmInstruction::Withdraw(WithdrawInstruction {
amount,