Swap on terms that never move.

import { fetchPool, getSwapExactInInstruction } from "@pina-rs/amm";
import { TOKEN_PROGRAM_ADDRESS } from "@solana-program/token";
import { createSolanaRpc } from "@solana/kit";

const rpc = createSolanaRpc("https://api.mainnet-beta.solana.com");
const { data: pool } = await fetchPool(rpc, poolAddress);

const instruction = getSwapExactInInstruction({
	trader: wallet,
	pool: poolAddress,
	inputToken: walletToken0,
	outputToken: walletToken1,
	inputVault: pool.vault0,
	outputVault: pool.vault1,
	inputTokenProgram: TOKEN_PROGRAM_ADDRESS,
	outputTokenProgram: TOKEN_PROGRAM_ADDRESS,
	amountIn: 1_000_000n,
	minimumAmountOut: 990_000n,
});

use pina_amm_client::instructions::{SwapExactIn, SwapExactInInstructionData};

let data = SwapExactInInstructionData::new(|data| {
	data.amount_in.set(1_000_000);
	data.minimum_amount_out.set(minimum_out);
})?;
let instruction = SwapExactIn::new(
	trader,
	pool,
	trader_token_0, // input: selling token 0
	trader_token_1, // output
	state.vault0,
	state.vault1,
	token_program_0,
	token_program_1,
)
.instruction(data);

final instruction = getSwapExactInInstruction(
  programAddress: pinaAmmProgramAddress,
  trader: wallet.address,
  pool: pool,
  inputToken: walletToken0,
  outputToken: walletToken1,
  inputVault: state.vault0,
  outputVault: state.vault1,
  inputTokenProgram: tokenProgramAddress,
  outputTokenProgram: tokenProgramAddress,
  amountIn: BigInt.from(1000000),
  minimumAmountOut: minimumOut,
);

use pina_amm_cpi::{SwapExactIn, SwapExactInIx};

SwapExactIn {
	trader: self.vault_authority,
	pool: self.pool,
	input_token: self.program_token_0,
	output_token: self.program_token_1,
	input_vault: self.pool_vault_0,
	output_vault: self.pool_vault_1,
	input_token_program: self.token_program,
	output_token_program: self.token_program,
	ix: SwapExactInIx {
		amount_in,
		minimum_amount_out,
	},
}
.invoke_signed(&amm, &[vault_authority_seeds.to_signer().as_signer()])?;

cargo install pina_amm_cli

# Quote a trade, then send it with a 0.5% slippage limit.
pina-amm quote --pool <POOL> --sell <MINT> --amount-in 1000000
pina-amm swap  --pool <POOL> --sell <MINT> --amount-in 1000000 --slippage-bps 50