Documentation Index
Fetch the complete documentation index at: https://v2-docs.exponent.finance/llms.txt
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createTradePtExactOutInstruction
Builds a raw instruction to execute an exact-out swap to receive a specific amount of PT or SY tokens. Unlike the exact-in variant, this instruction guarantees the output amount and calculates the required input. An optional price limit provides anti-sandwich protection.Usage
Accounts
| Name | Type | Signer | Writable | Description |
|---|---|---|---|---|
trader | PublicKey | Yes | Yes | Wallet executing the trade |
market | PublicKey | No | Yes | The CLMM market account |
ticks | PublicKey | No | Yes | The market tick array account |
tokenSyTrader | PublicKey | No | Yes | Trader’s SY token account |
tokenPtTrader | PublicKey | No | Yes | Trader’s PT token account |
tokenSyEscrow | PublicKey | No | Yes | Market SY escrow account |
tokenPtEscrow | PublicKey | No | Yes | Market PT escrow account |
addressLookupTable | PublicKey | No | No | Market address lookup table |
tokenProgram | PublicKey | No | No | SPL Token program |
syProgram | PublicKey | No | No | SY program |
tokenFeeTreasurySy | PublicKey | No | Yes | SY fee treasury account |
tokenFeeTreasuryPt | PublicKey | No | Yes | PT fee treasury account |
eventAuthority | PublicKey | No | No | Event authority PDA |
program | PublicKey | No | No | CLMM program ID |
Args
| Name | Type | Description |
|---|---|---|
amountOut | u64 | Exact amount of output tokens desired |
swapDirection | SwapDirection | Direction of the swap: BuyPt or SellPt |
amountInConstraint | u64 (optional) | Maximum amount of input tokens to spend |
priceSpotLimit | f64 (optional) | Price limit for anti-sandwich protection |
Returns
TransactionInstruction — a transaction instruction ready to be added to a transaction.