Aggregator-Integration

// CPMM — computeSwapAmount, und `pool` muss die CpmmComputeData von getPoolInfoFromRpc sein
const { computePoolInfo } = await raydium.cpmm.getPoolInfoFromRpc(cpmmPoolId);   // base58 string
const cpmmQuote = raydium.cpmm.computeSwapAmount({
  pool: computePoolInfo,
  amountIn,
  outputMint: mintOut,
  slippage: 0,        // compute exact expected; layer slippage at route level
});
// -> { allTrade, amountIn, amountOut, minAmountOut, fee, executionPrice, priceImpact, swapResult }

// CLMM — crosses ticks; deterministic but more expensive.
// `poolInfo` must be a ComputeClmmPoolInfo (the `computePoolInfo` from
// clmm.getPoolInfoFromRpc), and both `tickarrayBitmapExtension` and
// `blockTimestamp` are required.
const { amountOut: clmmOut, remainingAccounts } = PoolUtils.computeAmountOutFormat({
  poolInfo:  computeClmmPoolInfo,
  tickarrayBitmapExtension,
  tickArrayCache,
  amountIn,
  tokenOut:  mintOutToken,
  slippage:  0,
  epochInfo: await raydium.fetchEpochInfo(),
  blockTimestamp: Math.floor(Date.now() / 1000),
});
// -> { amountOut, minAmountOut, fee, priceImpact, remainingAccounts, ... }

// AMM v4 — amountIn is a BN, slippage a number, and the returns are plain BNs
const ammV4Quote = raydium.liquidity.computeAmountOut({
  poolInfo: ammV4Pool,       // needs baseReserve / quoteReserve / version / status spliced in
  amountIn,
  mintIn,
  mintOut,
  slippage: 0,
});
// -> { amountOut, minAmountOut, currentPrice, executionPrice, priceImpact, fee }

remaining = amountIn
routes    = []
while remaining > 0:
    best_pool, best_size = argmax over pools of:
        marginal_out_per_in(pool, current_size_toward_pool + epsilon)
    size = min(remaining, best_pool.max_size_at_target_impact)
    routes.append((best_pool, size))
    remaining -= size

const { execute } = await raydium.liquidity.swap({
  poolKeys:        poolInfo,
  amountIn,
  amountOut:       quote.minAmountOut,
  fixedSide:       "in",
  inputMint:       mintIn,
  txVersion:       TxVersion.V0,
  computeBudgetConfig: {
    units:         250_000,
    microLamports: priorityFee,
  },
});

[1] ComputeBudget set_compute_unit_limit
[2] ComputeBudget set_compute_unit_price
[3] createATA (if needed, once per mint the user doesn't hold)
[4..N] SwapInstruction for each (pool, size) in routes
[N+1] CloseAccount (if you wrap/unwrap SOL)

const raydiumLUTs = await raydium.getRaydiumLutAddresses();