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feat: track_volume only when cashback; PumpSwap sell cashback use quote_mint ATA; sync IDL

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- Pump/PumpSwap buy: track_volume OptionBool = Some(true) only when is_cashback_coin, else Some(false)
- PumpSwap sell cashback: use get_user_volume_accumulator_quote_ata(quote_mint) instead of WSOL-only ATA
- Sync idl/pump_amm.json, idl/pump_fees.json from pump-public-docs

Made-with: Cursor
This commit is contained in:
Wood
2026-03-06 16:41:29 +08:00
parent 7e2860d8de
commit fd5af3ab61
5 changed files with 58 additions and 1198 deletions
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src/instruction/pumpfun.rs
+9 -7
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@@ -118,10 +118,11 @@ impl InstructionBuilder for PumpFunInstructionBuilder {
);
}
let mut buy_data = [0u8; 24];
// IDL: buy/buy_exact_sol_in 第三参数 track_volume: OptionBool，仅代币支持返现时传 Some(true)
let track_volume = if bonding_curve.is_cashback_coin { [1u8, 1u8] } else { [1u8, 0u8] }; // Some(true) / Some(false)
let mut buy_data = [0u8; 26];
if params.use_exact_sol_amount.unwrap_or(true) {
// buy_exact_sol_in(spendable_sol_in: u64, min_tokens_out: u64)
// Spend exactly the input SOL amount, get at least min_tokens_out
// buy_exact_sol_in(spendable_sol_in: u64, min_tokens_out: u64, track_volume)
let min_tokens_out = calculate_with_slippage_sell(
buy_token_amount,
params.slippage_basis_points.unwrap_or(DEFAULT_SLIPPAGE),
@@ -129,12 +130,13 @@ impl InstructionBuilder for PumpFunInstructionBuilder {
buy_data[..8].copy_from_slice(&BUY_EXACT_SOL_IN_DISCRIMINATOR);
buy_data[8..16].copy_from_slice(&params.input_amount.unwrap_or(0).to_le_bytes());
buy_data[16..24].copy_from_slice(&min_tokens_out.to_le_bytes());
buy_data[24..26].copy_from_slice(&track_volume);
} else {
// buy(token_amount: u64, max_sol_cost: u64)
// Buy exactly token_amount tokens, pay up to max_sol_cost
// buy(token_amount: u64, max_sol_cost: u64, track_volume)
buy_data[..8].copy_from_slice(&BUY_DISCRIMINATOR);
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());
buy_data[24..26].copy_from_slice(&track_volume);
}
// Determine fee recipient based on mayhem mode (pump-public-docs: 2nd account = Mayhem fee recipient; use any one randomly)
@@ -163,7 +165,7 @@ impl InstructionBuilder for PumpFunInstructionBuilder {
accounts::FEE_CONFIG_META,
accounts::FEE_PROGRAM_META,
];
accounts.push(AccountMeta::new_readonly(bonding_curve_v2, false)); // bonding_curve_v2 (readonly) at end
accounts.push(AccountMeta::new_readonly(bonding_curve_v2, false)); // remainingAccounts: @pump-fun/pump-sdk 要求末尾传 bondingCurveV2Pda(mint)，勿删
instructions.push(Instruction::new_with_bytes(
accounts::PUMPFUN,
@@ -289,7 +291,7 @@ impl InstructionBuilder for PumpFunInstructionBuilder {
get_user_volume_accumulator_pda(&params.payer.pubkey()).unwrap();
accounts.push(AccountMeta::new(user_volume_accumulator, false));
}
// Program upgrade: bonding_curve_v2 (readonly) at end of account list
// remainingAccounts: @pump-fun/pump-sdk sell 要求末尾传 bondingCurveV2Pda(mint)（cashback 时在 user_volume_accumulator 之后），勿删
let bonding_curve_v2 = get_bonding_curve_v2_pda(&params.input_mint).unwrap();
accounts.push(AccountMeta::new_readonly(bonding_curve_v2, false));