refactor: optimize instruction builders structure and improve code documentation

- Add structured comment sections with clear code organization
- Improve variable naming and account address calculation logic
- Update comments for better readability across all trading protocols
- Enhance code structure for PumpFun, PumpSwap, and Raydium protocols
This commit is contained in:
ysq
2025-09-09 00:50:24 +08:00
parent ccf6330260
commit b9fa2f2f0f
16 changed files with 333 additions and 307 deletions
+47 -55
View File
@@ -28,6 +28,9 @@ pub struct BonkInstructionBuilder;
#[async_trait::async_trait]
impl InstructionBuilder for BonkInstructionBuilder {
async fn build_buy_instructions(&self, params: &BuyParams) -> Result<Vec<Instruction>> {
// ========================================
// Parameter validation and basic data preparation
// ========================================
if params.sol_amount == 0 {
return Err(anyhow!("Amount cannot be zero"));
}
@@ -43,7 +46,20 @@ impl InstructionBuilder for BonkInstructionBuilder {
protocol_params.pool_state
};
// Create user token accounts
// ========================================
// Trade calculation and account address preparation
// ========================================
let amount_in: u64 = params.sol_amount;
let share_fee_rate: u64 = 0;
let minimum_amount_out: u64 = get_buy_token_amount_from_sol_amount(
amount_in,
protocol_params.virtual_base,
protocol_params.virtual_quote,
protocol_params.real_base,
protocol_params.real_quote,
params.slippage_basis_points.unwrap_or(DEFAULT_SLIPPAGE) as u128,
);
let user_base_token_account =
crate::common::fast_fn::get_associated_token_address_with_program_id_fast(
&params.payer.pubkey(),
@@ -57,7 +73,6 @@ impl InstructionBuilder for BonkInstructionBuilder {
&crate::constants::TOKEN_PROGRAM,
);
// Get pool token accounts
let base_vault_account = if protocol_params.base_vault == Pubkey::default() {
get_vault_pda(&pool_state, &params.mint).unwrap()
} else {
@@ -69,22 +84,9 @@ impl InstructionBuilder for BonkInstructionBuilder {
protocol_params.quote_vault
};
let virtual_base = protocol_params.virtual_base;
let virtual_quote = protocol_params.virtual_quote;
let real_base = protocol_params.real_base;
let real_quote = protocol_params.real_quote;
let amount_in: u64 = params.sol_amount;
let share_fee_rate: u64 = 0;
let minimum_amount_out: u64 = get_buy_token_amount_from_sol_amount(
amount_in,
virtual_base,
virtual_quote,
real_base,
real_quote,
params.slippage_basis_points.unwrap_or(DEFAULT_SLIPPAGE) as u128,
);
// ========================================
// Build instructions
// ========================================
let mut instructions = Vec::with_capacity(6);
if protocol_params.auto_handle_wsol {
@@ -92,7 +94,6 @@ impl InstructionBuilder for BonkInstructionBuilder {
.extend(crate::trading::common::handle_wsol(&params.payer.pubkey(), amount_in));
}
// Create user's base token account
instructions.push(crate::common::fast_fn::create_associated_token_account_idempotent_fast(
&params.payer.pubkey(),
&params.payer.pubkey(),
@@ -100,7 +101,12 @@ impl InstructionBuilder for BonkInstructionBuilder {
&protocol_params.mint_token_program,
));
// Create buy instruction
let mut data = [0u8; 32];
data[..8].copy_from_slice(&BUY_EXECT_IN_DISCRIMINATOR);
data[8..16].copy_from_slice(&amount_in.to_le_bytes());
data[16..24].copy_from_slice(&minimum_amount_out.to_le_bytes());
data[24..32].copy_from_slice(&share_fee_rate.to_le_bytes());
let accounts: [AccountMeta; 18] = [
AccountMeta::new(params.payer.pubkey(), true), // Payer (signer)
accounts::AUTHORITY_META, // Authority (readonly)
@@ -121,17 +127,10 @@ impl InstructionBuilder for BonkInstructionBuilder {
AccountMeta::new(protocol_params.platform_associated_account, false), // Platform Associated Account
AccountMeta::new(protocol_params.creator_associated_account, false), // Creator Associated Account
];
// Create instruction data
let mut data = [0u8; 32];
data[..8].copy_from_slice(&BUY_EXECT_IN_DISCRIMINATOR);
data[8..16].copy_from_slice(&amount_in.to_le_bytes());
data[16..24].copy_from_slice(&minimum_amount_out.to_le_bytes());
data[24..32].copy_from_slice(&share_fee_rate.to_le_bytes());
instructions.push(Instruction::new_with_bytes(accounts::BONK, &data, accounts.to_vec()));
if protocol_params.auto_handle_wsol {
// Close wSOL ATA account, reclaim rent
instructions.push(crate::trading::common::close_wsol(&params.payer.pubkey()));
}
@@ -139,6 +138,9 @@ impl InstructionBuilder for BonkInstructionBuilder {
}
async fn build_sell_instructions(&self, params: &SellParams) -> Result<Vec<Instruction>> {
// ========================================
// Parameter validation and basic data preparation
// ========================================
if params.rpc.is_none() {
return Err(anyhow!("RPC is not set"));
}
@@ -151,7 +153,6 @@ impl InstructionBuilder for BonkInstructionBuilder {
let rpc = params.rpc.as_ref().unwrap().clone();
// Get token balance
let mut amount = params.token_amount;
if params.token_amount.is_none() || params.token_amount.unwrap_or(0) == 0 {
let balance_u64 =
@@ -170,22 +171,19 @@ impl InstructionBuilder for BonkInstructionBuilder {
protocol_params.pool_state
};
let virtual_base = protocol_params.virtual_base;
let virtual_quote = protocol_params.virtual_quote;
let real_base = protocol_params.real_base;
let real_quote = protocol_params.real_quote;
// Calculate expected SOL amount
// ========================================
// Trade calculation and account address preparation
// ========================================
let share_fee_rate: u64 = 0;
let minimum_amount_out: u64 = get_sell_sol_amount_from_token_amount(
amount,
virtual_base,
virtual_quote,
real_base,
real_quote,
protocol_params.virtual_base,
protocol_params.virtual_quote,
protocol_params.real_base,
protocol_params.real_quote,
params.slippage_basis_points.unwrap_or(DEFAULT_SLIPPAGE) as u128,
);
// Create user token accounts
let user_base_token_account =
crate::common::fast_fn::get_associated_token_address_with_program_id_fast(
&params.payer.pubkey(),
@@ -199,7 +197,6 @@ impl InstructionBuilder for BonkInstructionBuilder {
&crate::constants::TOKEN_PROGRAM,
);
// Get pool token accounts
let base_vault_account = if protocol_params.base_vault == Pubkey::default() {
get_vault_pda(&pool_state, &params.mint).unwrap()
} else {
@@ -211,17 +208,19 @@ impl InstructionBuilder for BonkInstructionBuilder {
protocol_params.quote_vault
};
let share_fee_rate: u64 = 0;
// ========================================
// Build instructions
// ========================================
let mut instructions = Vec::with_capacity(3);
// Handle wSOL
instructions.push(
// Create wSOL ATA account if it doesn't exist
crate::trading::common::create_wsol_ata(&params.payer.pubkey()),
);
instructions.push(crate::trading::common::create_wsol_ata(&params.payer.pubkey()));
let mut data = [0u8; 32];
data[..8].copy_from_slice(&SELL_EXECT_IN_DISCRIMINATOR);
data[8..16].copy_from_slice(&amount.to_le_bytes());
data[16..24].copy_from_slice(&minimum_amount_out.to_le_bytes());
data[24..32].copy_from_slice(&share_fee_rate.to_le_bytes());
// Create sell instruction
let accounts: [AccountMeta; 18] = [
AccountMeta::new(params.payer.pubkey(), true), // Payer (signer)
accounts::AUTHORITY_META, // Authority (readonly)
@@ -243,13 +242,6 @@ impl InstructionBuilder for BonkInstructionBuilder {
AccountMeta::new(protocol_params.creator_associated_account, false), // Creator Associated Account
];
// Create instruction data
let mut data = [0u8; 32];
data[..8].copy_from_slice(&SELL_EXECT_IN_DISCRIMINATOR);
data[8..16].copy_from_slice(&amount.to_le_bytes());
data[16..24].copy_from_slice(&minimum_amount_out.to_le_bytes());
data[24..32].copy_from_slice(&share_fee_rate.to_le_bytes());
instructions.push(Instruction::new_with_bytes(accounts::BONK, &data, accounts.to_vec()));
if protocol_params.auto_handle_wsol {
+80 -68
View File
@@ -26,7 +26,9 @@ pub struct PumpFunInstructionBuilder;
#[async_trait::async_trait]
impl InstructionBuilder for PumpFunInstructionBuilder {
async fn build_buy_instructions(&self, params: &BuyParams) -> Result<Vec<Instruction>> {
// Get PumpFun specific parameters
// ========================================
// Parameter validation and basic data preparation
// ========================================
let protocol_params = params
.protocol_params
.as_any()
@@ -38,14 +40,12 @@ impl InstructionBuilder for PumpFunInstructionBuilder {
}
let bonding_curve = &protocol_params.bonding_curve;
let max_sol_cost = calculate_with_slippage_buy(
params.sol_amount,
params.slippage_basis_points.unwrap_or(DEFAULT_SLIPPAGE),
);
let creator_vault_pda = protocol_params.creator_vault;
let creator = get_creator(&creator_vault_pda);
// ========================================
// Trade calculation and account address preparation
// ========================================
let buy_token_amount = get_buy_token_amount_from_sol_amount(
bonding_curve.virtual_token_reserves as u128,
bonding_curve.virtual_sol_reserves as u128,
@@ -54,6 +54,39 @@ impl InstructionBuilder for PumpFunInstructionBuilder {
params.sol_amount,
);
let max_sol_cost = calculate_with_slippage_buy(
params.sol_amount,
params.slippage_basis_points.unwrap_or(DEFAULT_SLIPPAGE),
);
let bonding_curve_addr = if bonding_curve.account == Pubkey::default() {
get_bonding_curve_pda(&params.mint).unwrap()
} else {
bonding_curve.account
};
let associated_bonding_curve =
if protocol_params.associated_bonding_curve == Pubkey::default() {
crate::common::fast_fn::get_associated_token_address_with_program_id_fast(
&bonding_curve_addr,
&params.mint,
&crate::constants::TOKEN_PROGRAM,
)
} else {
protocol_params.associated_bonding_curve
};
let user_token_account = crate::common::fast_fn::get_associated_token_address_with_program_id_fast(
&params.payer.pubkey(),
&params.mint,
&crate::constants::TOKEN_PROGRAM,
);
let user_volume_accumulator = get_user_volume_accumulator_pda(&params.payer.pubkey()).unwrap();
// ========================================
// Build instructions
// ========================================
let mut instructions = Vec::with_capacity(2);
// Create associated token account
@@ -64,42 +97,18 @@ impl InstructionBuilder for PumpFunInstructionBuilder {
&crate::constants::TOKEN_PROGRAM,
));
// Create buy instruction data
let mut buy_data = [0u8; 24];
buy_data[..8].copy_from_slice(&[102, 6, 61, 18, 1, 218, 235, 234]);
buy_data[..8].copy_from_slice(&[102, 6, 61, 18, 1, 218, 235, 234]); // Method ID
buy_data[8..16].copy_from_slice(&buy_token_amount.to_le_bytes());
buy_data[16..24].copy_from_slice(&max_sol_cost.to_le_bytes());
let bonding_curve = if bonding_curve.account == Pubkey::default() {
get_bonding_curve_pda(&params.mint).unwrap()
} else {
bonding_curve.account
};
let associated_bonding_curve =
if protocol_params.associated_bonding_curve == Pubkey::default() {
crate::common::fast_fn::get_associated_token_address_with_program_id_fast(
&bonding_curve,
&params.mint,
&crate::constants::TOKEN_PROGRAM,
)
} else {
protocol_params.associated_bonding_curve
};
let accounts: [AccountMeta; 16] = [
global_constants::GLOBAL_ACCOUNT_META,
global_constants::FEE_RECIPIENT_META,
AccountMeta::new_readonly(params.mint, false),
AccountMeta::new(bonding_curve, false),
AccountMeta::new(bonding_curve_addr, false),
AccountMeta::new(associated_bonding_curve, false),
AccountMeta::new(
crate::common::fast_fn::get_associated_token_address_with_program_id_fast(
&params.payer.pubkey(),
&params.mint,
&crate::constants::TOKEN_PROGRAM,
),
false,
),
AccountMeta::new(user_token_account, false),
AccountMeta::new(params.payer.pubkey(), true),
crate::constants::SYSTEM_PROGRAM_META,
crate::constants::TOKEN_PROGRAM_META,
@@ -107,15 +116,11 @@ impl InstructionBuilder for PumpFunInstructionBuilder {
accounts::EVENT_AUTHORITY_META,
accounts::PUMPFUN_META,
accounts::GLOBAL_VOLUME_ACCUMULATOR_META,
AccountMeta::new(
get_user_volume_accumulator_pda(&params.payer.pubkey()).unwrap(),
false,
),
AccountMeta::new(user_volume_accumulator, false),
accounts::FEE_CONFIG_META,
accounts::FEE_PROGRAM_META,
];
// Create buy instruction
instructions.push(Instruction::new_with_bytes(
accounts::PUMPFUN,
&buy_data,
@@ -126,15 +131,15 @@ impl InstructionBuilder for PumpFunInstructionBuilder {
}
async fn build_sell_instructions(&self, params: &SellParams) -> Result<Vec<Instruction>> {
// Get PumpFun specific parameters
// ========================================
// Parameter validation and basic data preparation
// ========================================
let protocol_params = params
.protocol_params
.as_any()
.downcast_ref::<PumpFunParams>()
.ok_or_else(|| anyhow!("Invalid protocol params for PumpFun"))?;
let bonding_curve = &protocol_params.bonding_curve;
let token_amount = if let Some(amount) = params.token_amount {
if amount == 0 {
return Err(anyhow!("Amount cannot be zero"));
@@ -143,40 +148,36 @@ impl InstructionBuilder for PumpFunInstructionBuilder {
} else {
return Err(anyhow!("Amount token is required"));
};
let ata = crate::common::fast_fn::get_associated_token_address_with_program_id_fast(
&params.payer.pubkey(),
&params.mint,
&crate::constants::TOKEN_PROGRAM,
);
let bonding_curve = &protocol_params.bonding_curve;
let creator_vault_pda = protocol_params.creator_vault;
let creator = get_creator(&creator_vault_pda);
// ========================================
// Trade calculation and account address preparation
// ========================================
let sol_amount = get_sell_sol_amount_from_token_amount(
bonding_curve.virtual_token_reserves as u128,
bonding_curve.virtual_sol_reserves as u128,
creator,
token_amount,
);
let min_sol_output = calculate_with_slippage_sell(
sol_amount,
params.slippage_basis_points.unwrap_or(DEFAULT_SLIPPAGE),
);
// Create sell instruction data
let mut sell_data = [0u8; 24];
sell_data[..8].copy_from_slice(&[51, 230, 133, 164, 1, 127, 131, 173]);
sell_data[8..16].copy_from_slice(&token_amount.to_le_bytes());
sell_data[16..24].copy_from_slice(&min_sol_output.to_le_bytes());
let bonding_curve = if bonding_curve.account == Pubkey::default() {
let bonding_curve_addr = if bonding_curve.account == Pubkey::default() {
get_bonding_curve_pda(&params.mint).unwrap()
} else {
bonding_curve.account
};
let associated_bonding_curve =
if protocol_params.associated_bonding_curve == Pubkey::default() {
crate::common::fast_fn::get_associated_token_address_with_program_id_fast(
&bonding_curve,
&bonding_curve_addr,
&params.mint,
&crate::constants::TOKEN_PROGRAM,
)
@@ -184,20 +185,29 @@ impl InstructionBuilder for PumpFunInstructionBuilder {
protocol_params.associated_bonding_curve
};
let user_token_account = crate::common::fast_fn::get_associated_token_address_with_program_id_fast(
&params.payer.pubkey(),
&params.mint,
&crate::constants::TOKEN_PROGRAM,
);
// ========================================
// Build instructions
// ========================================
let mut instructions = Vec::with_capacity(2);
let mut sell_data = [0u8; 24];
sell_data[..8].copy_from_slice(&[51, 230, 133, 164, 1, 127, 131, 173]); // Method ID
sell_data[8..16].copy_from_slice(&token_amount.to_le_bytes());
sell_data[16..24].copy_from_slice(&min_sol_output.to_le_bytes());
let accounts: [AccountMeta; 14] = [
global_constants::GLOBAL_ACCOUNT_META,
global_constants::FEE_RECIPIENT_META,
AccountMeta::new_readonly(params.mint, false),
AccountMeta::new(bonding_curve, false),
AccountMeta::new(bonding_curve_addr, false),
AccountMeta::new(associated_bonding_curve, false),
AccountMeta::new(
crate::common::fast_fn::get_associated_token_address_with_program_id_fast(
&params.payer.pubkey(),
&params.mint,
&crate::constants::TOKEN_PROGRAM,
),
false,
),
AccountMeta::new(user_token_account, false),
AccountMeta::new(params.payer.pubkey(), true),
crate::constants::SYSTEM_PROGRAM_META,
AccountMeta::new(creator_vault_pda, false),
@@ -208,15 +218,17 @@ impl InstructionBuilder for PumpFunInstructionBuilder {
accounts::FEE_PROGRAM_META,
];
// Create sell instruction
let mut instructions =
vec![Instruction::new_with_bytes(accounts::PUMPFUN, &sell_data, accounts.to_vec())];
instructions.push(Instruction::new_with_bytes(
accounts::PUMPFUN,
&sell_data,
accounts.to_vec(),
));
// If selling all tokens, close the account
// Optional: Close token account
if protocol_params.close_token_account_when_sell.unwrap_or(false) {
instructions.push(close_account(
&crate::constants::TOKEN_PROGRAM,
&ata,
&user_token_account,
&params.payer.pubkey(),
&params.payer.pubkey(),
&[&params.payer.pubkey()],
+30 -27
View File
@@ -23,7 +23,9 @@ pub struct PumpSwapInstructionBuilder;
#[async_trait::async_trait]
impl InstructionBuilder for PumpSwapInstructionBuilder {
async fn build_buy_instructions(&self, params: &BuyParams) -> Result<Vec<Instruction>> {
// Get PumpSwap specific parameters
// ========================================
// Parameter validation and basic data preparation
// ========================================
let protocol_params = params
.protocol_params
.as_any()
@@ -34,7 +36,6 @@ impl InstructionBuilder for PumpSwapInstructionBuilder {
return Err(anyhow!("Amount cannot be zero"));
}
// Build instructions based on account information
let pool = protocol_params.pool;
let base_mint = protocol_params.base_mint;
let quote_mint = protocol_params.quote_mint;
@@ -54,15 +55,17 @@ impl InstructionBuilder for PumpSwapInstructionBuilder {
return Err(anyhow!("Invalid base mint and quote mint"));
}
// ========================================
// Trade calculation and account address preparation
// ========================================
let quote_mint_is_wsol = quote_mint == crate::constants::WSOL_TOKEN_ACCOUNT;
let mut token_amount = 0;
let mut sol_amount = 0;
let mut creator = Pubkey::default();
if params_coin_creator_vault_authority != accounts::DEFAULT_COIN_CREATOR_VAULT_AUTHORITY {
creator = params_coin_creator_vault_authority;
}
let mut token_amount = 0;
let mut sol_amount = 0;
if quote_mint_is_wsol {
let result = buy_quote_input_internal(
params.sol_amount,
@@ -91,7 +94,6 @@ impl InstructionBuilder for PumpSwapInstructionBuilder {
sol_amount = params.sol_amount;
}
// Create user token accounts
let user_base_token_account =
crate::common::fast_fn::get_associated_token_address_with_program_id_fast(
&params.payer.pubkey(),
@@ -104,7 +106,11 @@ impl InstructionBuilder for PumpSwapInstructionBuilder {
&quote_mint,
&quote_token_program,
);
let fee_recipient_ata = fee_recipient_ata(accounts::FEE_RECIPIENT, quote_mint);
// ========================================
// Build instructions
// ========================================
let mut instructions = Vec::with_capacity(6);
if auto_handle_wsol {
@@ -112,7 +118,6 @@ impl InstructionBuilder for PumpSwapInstructionBuilder {
.extend(crate::trading::common::handle_wsol(&params.payer.pubkey(), sol_amount));
}
// Create user's base token account
instructions.push(crate::common::fast_fn::create_associated_token_account_idempotent_fast(
&params.payer.pubkey(),
&params.payer.pubkey(),
@@ -120,8 +125,6 @@ impl InstructionBuilder for PumpSwapInstructionBuilder {
if quote_mint_is_wsol { &base_token_program } else { &quote_token_program },
));
let fee_recipient_ata = fee_recipient_ata(accounts::FEE_RECIPIENT, quote_mint);
// Create buy instruction
let mut accounts = Vec::with_capacity(23);
accounts.extend([
@@ -184,14 +187,15 @@ impl InstructionBuilder for PumpSwapInstructionBuilder {
}
async fn build_sell_instructions(&self, params: &SellParams) -> Result<Vec<Instruction>> {
// Get PumpSwap specific parameters
// ========================================
// Parameter validation and basic data preparation
// ========================================
let protocol_params = params
.protocol_params
.as_any()
.downcast_ref::<PumpSwapParams>()
.ok_or_else(|| anyhow!("Invalid protocol params for PumpSwap"))?;
// Build instructions based on account information
let pool = protocol_params.pool;
let base_mint = protocol_params.base_mint;
let quote_mint = protocol_params.quote_mint;
@@ -214,16 +218,17 @@ impl InstructionBuilder for PumpSwapInstructionBuilder {
return Err(anyhow!("Token amount is not set"));
}
// ========================================
// Trade calculation and account address preparation
// ========================================
let quote_mint_is_wsol = quote_mint == crate::constants::WSOL_TOKEN_ACCOUNT;
let mut token_amount = 0;
let mut sol_amount = 0;
let mut creator = Pubkey::default();
if params_coin_creator_vault_authority != accounts::DEFAULT_COIN_CREATOR_VAULT_AUTHORITY {
creator = params_coin_creator_vault_authority;
}
let mut token_amount = 0;
let mut sol_amount = 0;
if quote_mint_is_wsol {
let result = sell_base_input_internal(
params.token_amount.unwrap(),
@@ -253,7 +258,6 @@ impl InstructionBuilder for PumpSwapInstructionBuilder {
}
let fee_recipient_ata = fee_recipient_ata(accounts::FEE_RECIPIENT, quote_mint);
let user_base_token_account =
crate::common::fast_fn::get_associated_token_address_with_program_id_fast(
&params.payer.pubkey(),
@@ -267,18 +271,17 @@ impl InstructionBuilder for PumpSwapInstructionBuilder {
&quote_token_program,
);
// ========================================
// Build instructions
// ========================================
let mut instructions = Vec::with_capacity(3);
// Insert wSOL
instructions.push(
// Create wSOL ATA account if it doesn't exist
crate::common::fast_fn::create_associated_token_account_idempotent_fast(
&params.payer.pubkey(),
&params.payer.pubkey(),
&crate::constants::WSOL_TOKEN_ACCOUNT,
&crate::constants::TOKEN_PROGRAM,
),
);
instructions.push(crate::common::fast_fn::create_associated_token_account_idempotent_fast(
&params.payer.pubkey(),
&params.payer.pubkey(),
&crate::constants::WSOL_TOKEN_ACCOUNT,
&crate::constants::TOKEN_PROGRAM,
));
// Create sell instruction
let mut accounts = Vec::with_capacity(23);
+41 -34
View File
@@ -19,6 +19,9 @@ pub struct RaydiumAmmV4InstructionBuilder;
#[async_trait::async_trait]
impl InstructionBuilder for RaydiumAmmV4InstructionBuilder {
async fn build_buy_instructions(&self, params: &BuyParams) -> Result<Vec<Instruction>> {
// ========================================
// Parameter validation and basic data preparation
// ========================================
if params.sol_amount == 0 {
return Err(anyhow!("Amount cannot be zero"));
}
@@ -28,8 +31,10 @@ impl InstructionBuilder for RaydiumAmmV4InstructionBuilder {
.downcast_ref::<RaydiumAmmV4Params>()
.ok_or_else(|| anyhow!("Invalid protocol params for RaydiumCpmm"))?;
// ========================================
// Trade calculation and account address preparation
// ========================================
let is_base_in = protocol_params.coin_mint == crate::constants::WSOL_TOKEN_ACCOUNT;
let amount_in: u64 = params.sol_amount;
let swap_result = compute_swap_amount(
protocol_params.coin_reserve,
@@ -40,21 +45,6 @@ impl InstructionBuilder for RaydiumAmmV4InstructionBuilder {
);
let minimum_amount_out = swap_result.min_amount_out;
let mut instructions = Vec::with_capacity(6);
if protocol_params.auto_handle_wsol {
// Handle wSOL
instructions
.extend(crate::trading::common::handle_wsol(&params.payer.pubkey(), amount_in));
}
instructions.push(crate::common::fast_fn::create_associated_token_account_idempotent_fast(
&params.payer.pubkey(),
&params.payer.pubkey(),
&params.mint,
&crate::constants::TOKEN_PROGRAM,
));
let user_source_token_account =
crate::common::fast_fn::get_associated_token_address_with_program_id_fast(
&params.payer.pubkey(),
@@ -68,6 +58,23 @@ impl InstructionBuilder for RaydiumAmmV4InstructionBuilder {
&crate::constants::TOKEN_PROGRAM,
);
// ========================================
// Build instructions
// ========================================
let mut instructions = Vec::with_capacity(6);
if protocol_params.auto_handle_wsol {
instructions
.extend(crate::trading::common::handle_wsol(&params.payer.pubkey(), amount_in));
}
instructions.push(crate::common::fast_fn::create_associated_token_account_idempotent_fast(
&params.payer.pubkey(),
&params.payer.pubkey(),
&params.mint,
&crate::constants::TOKEN_PROGRAM,
));
// Create buy instruction
let accounts: [AccountMeta; 17] = [
crate::constants::TOKEN_PROGRAM_META, // Token Program (readonly)
@@ -109,6 +116,9 @@ impl InstructionBuilder for RaydiumAmmV4InstructionBuilder {
}
async fn build_sell_instructions(&self, params: &SellParams) -> Result<Vec<Instruction>> {
// ========================================
// Parameter validation and basic data preparation
// ========================================
let protocol_params = params
.protocol_params
.as_any()
@@ -119,6 +129,9 @@ impl InstructionBuilder for RaydiumAmmV4InstructionBuilder {
return Err(anyhow!("Token amount is not set"));
}
// ========================================
// Trade calculation and account address preparation
// ========================================
let is_base_in = protocol_params.pc_mint == crate::constants::WSOL_TOKEN_ACCOUNT;
let swap_result = compute_swap_amount(
protocol_params.coin_reserve,
@@ -129,19 +142,6 @@ impl InstructionBuilder for RaydiumAmmV4InstructionBuilder {
);
let minimum_amount_out = swap_result.min_amount_out;
let mut instructions = Vec::with_capacity(3);
// Handle wSOL
instructions.push(
// Create wSOL ATA account if it doesn't exist
crate::common::fast_fn::create_associated_token_account_idempotent_fast(
&params.payer.pubkey(),
&params.payer.pubkey(),
&crate::constants::WSOL_TOKEN_ACCOUNT,
&crate::constants::TOKEN_PROGRAM,
),
);
let user_source_token_account =
crate::common::fast_fn::get_associated_token_address_with_program_id_fast(
&params.payer.pubkey(),
@@ -155,6 +155,18 @@ impl InstructionBuilder for RaydiumAmmV4InstructionBuilder {
&crate::constants::TOKEN_PROGRAM,
);
// ========================================
// Build instructions
// ========================================
let mut instructions = Vec::with_capacity(3);
instructions.push(crate::common::fast_fn::create_associated_token_account_idempotent_fast(
&params.payer.pubkey(),
&params.payer.pubkey(),
&crate::constants::WSOL_TOKEN_ACCOUNT,
&crate::constants::TOKEN_PROGRAM,
));
// Create buy instruction
let accounts: [AccountMeta; 17] = [
crate::constants::TOKEN_PROGRAM_META, // Token Program (readonly)
@@ -181,11 +193,6 @@ impl InstructionBuilder for RaydiumAmmV4InstructionBuilder {
data[1..9].copy_from_slice(&params.token_amount.unwrap_or(0).to_le_bytes());
data[9..17].copy_from_slice(&minimum_amount_out.to_le_bytes());
// let mut data = vec![];
// data.extend_from_slice(&SWAP_BASE_IN_DISCRIMINATOR);
// data.extend_from_slice(&amount_in.to_le_bytes());
// data.extend_from_slice(&minimum_amount_out.to_le_bytes());
instructions.push(Instruction::new_with_bytes(
accounts::RAYDIUM_AMM_V4,
&data,
+45 -33
View File
@@ -24,6 +24,9 @@ pub struct RaydiumCpmmInstructionBuilder;
#[async_trait::async_trait]
impl InstructionBuilder for RaydiumCpmmInstructionBuilder {
async fn build_buy_instructions(&self, params: &BuyParams) -> Result<Vec<Instruction>> {
// ========================================
// Parameter validation and basic data preparation
// ========================================
if params.sol_amount == 0 {
return Err(anyhow!("Amount cannot be zero"));
}
@@ -44,6 +47,9 @@ impl InstructionBuilder for RaydiumCpmmInstructionBuilder {
protocol_params.pool_state
};
// ========================================
// Trade calculation and account address preparation
// ========================================
let is_base_in = protocol_params.base_mint == crate::constants::WSOL_TOKEN_ACCOUNT;
let mint_token_program = if is_base_in {
protocol_params.quote_token_program
@@ -51,6 +57,16 @@ impl InstructionBuilder for RaydiumCpmmInstructionBuilder {
protocol_params.base_token_program
};
let amount_in: u64 = params.sol_amount;
let result = compute_swap_amount(
protocol_params.base_reserve,
protocol_params.quote_reserve,
is_base_in,
amount_in,
params.slippage_basis_points.unwrap_or(DEFAULT_SLIPPAGE),
);
let minimum_amount_out = result.min_amount_out;
let wsol_token_account = get_associated_token_address_with_program_id_fast(
&params.payer.pubkey(),
&crate::constants::WSOL_TOKEN_ACCOUNT,
@@ -62,7 +78,6 @@ impl InstructionBuilder for RaydiumCpmmInstructionBuilder {
&mint_token_program,
);
// Get pool token accounts
let wsol_vault_account = get_vault_account(
&pool_state,
&crate::constants::WSOL_TOKEN_ACCOUNT,
@@ -78,16 +93,9 @@ impl InstructionBuilder for RaydiumCpmmInstructionBuilder {
protocol_params.observation_state
};
let amount_in: u64 = params.sol_amount;
let result = compute_swap_amount(
protocol_params.base_reserve,
protocol_params.quote_reserve,
is_base_in,
amount_in,
params.slippage_basis_points.unwrap_or(DEFAULT_SLIPPAGE),
);
let minimum_amount_out = result.min_amount_out;
// ========================================
// Build instructions
// ========================================
let mut instructions = Vec::with_capacity(6);
if protocol_params.auto_handle_wsol {
@@ -139,6 +147,9 @@ impl InstructionBuilder for RaydiumCpmmInstructionBuilder {
}
async fn build_sell_instructions(&self, params: &SellParams) -> Result<Vec<Instruction>> {
// ========================================
// Parameter validation and basic data preparation
// ========================================
let protocol_params = params
.protocol_params
.as_any()
@@ -149,6 +160,20 @@ impl InstructionBuilder for RaydiumCpmmInstructionBuilder {
return Err(anyhow!("Token amount is not set"));
}
let pool_state = if protocol_params.pool_state == Pubkey::default() {
get_pool_pda(
&accounts::AMM_CONFIG,
&protocol_params.base_mint,
&protocol_params.quote_mint,
)
.unwrap()
} else {
protocol_params.pool_state
};
// ========================================
// Trade calculation and account address preparation
// ========================================
let is_base_in = protocol_params.base_mint == params.mint;
let mint_token_program = if is_base_in {
protocol_params.base_token_program
@@ -165,17 +190,6 @@ impl InstructionBuilder for RaydiumCpmmInstructionBuilder {
)
.min_amount_out;
let pool_state = if protocol_params.pool_state == Pubkey::default() {
get_pool_pda(
&accounts::AMM_CONFIG,
&protocol_params.base_mint,
&protocol_params.quote_mint,
)
.unwrap()
} else {
protocol_params.pool_state
};
let wsol_token_account = get_associated_token_address_with_program_id_fast(
&params.payer.pubkey(),
&crate::constants::WSOL_TOKEN_ACCOUNT,
@@ -187,7 +201,6 @@ impl InstructionBuilder for RaydiumCpmmInstructionBuilder {
&mint_token_program,
);
// Get pool token accounts
let wsol_vault_account = get_vault_account(
&pool_state,
&crate::constants::WSOL_TOKEN_ACCOUNT,
@@ -203,18 +216,17 @@ impl InstructionBuilder for RaydiumCpmmInstructionBuilder {
protocol_params.observation_state
};
// ========================================
// Build instructions
// ========================================
let mut instructions = Vec::with_capacity(3);
// Handle wSOL
instructions.push(
// Create wSOL ATA account if it doesn't exist
crate::common::fast_fn::create_associated_token_account_idempotent_fast(
&params.payer.pubkey(),
&params.payer.pubkey(),
&crate::constants::WSOL_TOKEN_ACCOUNT,
&crate::constants::TOKEN_PROGRAM,
),
);
instructions.push(crate::common::fast_fn::create_associated_token_account_idempotent_fast(
&params.payer.pubkey(),
&params.payer.pubkey(),
&crate::constants::WSOL_TOKEN_ACCOUNT,
&crate::constants::TOKEN_PROGRAM,
));
// Create sell instruction
let accounts: [AccountMeta; 13] = [
+3 -3
View File
@@ -95,18 +95,18 @@ pub fn get_amount_in(
) -> u64 {
let amount_out_u128 = amount_out as u128;
// 考虑滑点,实际需要的输出金额更高
// Consider slippage, actual required output amount is higher
let amount_out_with_slippage = amount_out_u128 * 10000 / (10000 - slippage_basis_points);
let input_reserve = virtual_quote.checked_add(real_quote).unwrap();
let output_reserve = virtual_base.checked_sub(real_base).unwrap();
// 根据 AMM 公式反推: amount_in_net = (amount_out * input_reserve) / (output_reserve - amount_out)
// Reverse calculate using AMM formula: amount_in_net = (amount_out * input_reserve) / (output_reserve - amount_out)
let numerator = amount_out_with_slippage.checked_mul(input_reserve).unwrap();
let denominator = output_reserve.checked_sub(amount_out_with_slippage).unwrap();
let amount_in_net = numerator.checked_div(denominator).unwrap();
// 计算总费用率
// Calculate total fee rate
let total_fee_rate = protocol_fee_rate + platform_fee_rate + share_fee_rate;
let amount_in = amount_in_net * 10000 / (10000 - total_fee_rate);
+5 -5
View File
@@ -40,7 +40,7 @@ pub mod accounts {
pub const ASSOCIATED_TOKEN_PROGRAM: Pubkey =
pubkey!("ATokenGPvbdGVxr1b2hvZbsiqW5xWH25efTNsLJA8knL");
// PumpSwap 协议费用接收者
// PumpSwap protocol fee recipient
pub const PROTOCOL_FEE_RECIPIENT: Pubkey =
pubkey!("62qc2CNXwrYqQScmEdiZFFAnJR262PxWEuNQtxfafNgV");
@@ -192,9 +192,9 @@ pub async fn find_by_base_mint(
rpc: &SolanaRpcClient,
base_mint: &Pubkey,
) -> Result<(Pubkey, Pool), anyhow::Error> {
// 使用getProgramAccounts查找给定mint的池子
// Use getProgramAccounts to find pools for the given mint
let filters = vec![
// solana_rpc_client_api::filter::RpcFilterType::DataSize(211), // Pool账户的大小
// solana_rpc_client_api::filter::RpcFilterType::DataSize(211), // Pool account size
solana_rpc_client_api::filter::RpcFilterType::Memcmp(
solana_client::rpc_filter::Memcmp::new_base58_encoded(43, &base_mint.to_bytes()),
),
@@ -228,9 +228,9 @@ pub async fn find_by_quote_mint(
rpc: &SolanaRpcClient,
quote_mint: &Pubkey,
) -> Result<(Pubkey, Pool), anyhow::Error> {
// 使用getProgramAccounts查找给定mint的池子
// Use getProgramAccounts to find pools for the given mint
let filters = vec![
// solana_rpc_client_api::filter::RpcFilterType::DataSize(211), // Pool账户的大小
// solana_rpc_client_api::filter::RpcFilterType::DataSize(211), // Pool account size
solana_rpc_client_api::filter::RpcFilterType::Memcmp(
solana_client::rpc_filter::Memcmp::new_base58_encoded(75, &quote_mint.to_bytes()),
),
+21 -21
View File
@@ -77,10 +77,10 @@ pub fn get_observation_state_pda(pool_state: &Pubkey) -> Option<Pubkey> {
pda.map(|pubkey| pubkey.0)
}
/// 获取池子中两个代币的余额
/// Get the balances of two tokens in the pool
///
/// # 返回值
/// 返回 token0_balance, token1_balance
/// # Returns
/// Returns token0_balance, token1_balance
pub async fn get_pool_token_balances(
rpc: &SolanaRpcClient,
pool_state: &Pubkey,
@@ -92,20 +92,20 @@ pub async fn get_pool_token_balances(
let token1_vault = get_vault_pda(pool_state, token1_mint).unwrap();
let token1_balance = rpc.get_token_account_balance(&token1_vault).await?;
// 解析余额字符串为 u64
// Parse balance string to u64
let token0_amount =
token0_balance.amount.parse::<u64>().map_err(|e| anyhow!("解析 token0 余额失败: {}", e))?;
token0_balance.amount.parse::<u64>().map_err(|e| anyhow!("Failed to parse token0 balance: {}", e))?;
let token1_amount =
token1_balance.amount.parse::<u64>().map_err(|e| anyhow!("解析 token1 余额失败: {}", e))?;
token1_balance.amount.parse::<u64>().map_err(|e| anyhow!("Failed to parse token1 balance: {}", e))?;
Ok((token0_amount, token1_amount))
}
/// 计算代币价格 (token1/token0)
/// Calculate token price (token1/token0)
///
/// # 返回值
/// 返回 token1 相对于 token0 的价格
/// # Returns
/// Returns the price of token1 relative to token0
pub async fn calculate_price(
token0_amount: u64,
token1_amount: u64,
@@ -113,25 +113,25 @@ pub async fn calculate_price(
mint1_decimals: u8,
) -> Result<f64, anyhow::Error> {
if token0_amount == 0 {
return Err(anyhow!("Token0 余额为零,无法计算价格"));
return Err(anyhow!("Token0 balance is zero, cannot calculate price"));
}
// 考虑小数位精度
// Consider decimal precision
let token0_adjusted = token0_amount as f64 / 10_f64.powi(mint0_decimals as i32);
let token1_adjusted = token1_amount as f64 / 10_f64.powi(mint1_decimals as i32);
let price = token1_adjusted / token0_adjusted;
Ok(price)
}
/// 获取 vault 账户地址的辅助函数
/// Helper function to get vault account address
///
/// # 参数
/// - `pool_state`: 池子状态账户地址
/// - `token_mint`: 代币 mint 地址
/// - `protocol_params`: 协议参数
/// - `is_wsol`: 是否为 wSOL 代币
/// # Parameters
/// - `pool_state`: Pool state account address
/// - `token_mint`: Token mint address
/// - `protocol_params`: Protocol parameters
/// - `is_wsol`: Whether it's a wSOL token
///
/// # 返回值
/// 返回对应的 vault 账户地址
/// # Returns
/// Returns the corresponding vault account address
pub fn get_vault_account(
pool_state: &Pubkey,
token_mint: &Pubkey,
@@ -139,7 +139,7 @@ pub fn get_vault_account(
is_wsol: bool,
) -> Pubkey {
if is_wsol {
// 如果是 wSOL,检查是否为 base mint
// If it's wSOL, check if it's the base mint
if protocol_params.base_mint == crate::constants::WSOL_TOKEN_ACCOUNT
&& protocol_params.base_vault != Pubkey::default()
{
@@ -152,7 +152,7 @@ pub fn get_vault_account(
get_vault_pda(pool_state, &crate::constants::WSOL_TOKEN_ACCOUNT).unwrap()
}
} else {
// 对于其他代币,检查是否为 base quote mint
// For other tokens, check if it's the base or quote mint
if *token_mint == protocol_params.base_mint
&& protocol_params.base_vault != Pubkey::default()
{