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Make use_exact_sol_amount optional with true default for PumpFun/PumpSwap

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- Change use_exact_sol_amount from bool to Option<bool>
- Default to true (via unwrap_or) for PumpFun and PumpSwap DEXes
- Option is ignored for other DEXes (Raydium, Bonk, Meteora)
- Update all examples to use None (which defaults to true for applicable DEXes)
- Update README documentation

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
vibes
2026-01-06 11:53:09 +00:00
co-authored by Claude Opus 4.5
parent ea22d48919
commit c7f694e9a0
20 changed files with 31 additions and 9 deletions
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src/trading/core/params.rs
+4 -3
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@@ -68,9 +68,10 @@ pub struct SwapParams {
pub gas_fee_strategy: GasFeeStrategy,
pub simulate: bool,
/// Use exact SOL amount instructions (buy_exact_sol_in for PumpFun, buy_exact_quote_in for PumpSwap).
/// When true, the exact SOL/quote amount is spent and slippage is applied to output tokens.
/// When false (default), uses regular buy instruction where slippage is applied to SOL/quote input.
pub use_exact_sol_amount: bool,
/// When Some(true) or None (default), the exact SOL/quote amount is spent and slippage is applied to output tokens.
/// When Some(false), uses regular buy instruction where slippage is applied to SOL/quote input.
/// This option only applies to PumpFun and PumpSwap DEXes; it is ignored for other DEXes.
pub use_exact_sol_amount: Option<bool>,
}
impl std::fmt::Debug for SwapParams {