feat: complete rewrite

helpers/liquidity.ts

@@ -0,0 +1,43 @@
+import { PublicKey } from '@solana/web3.js';
+import { Liquidity, LiquidityPoolKeys, LiquidityStateV4, MAINNET_PROGRAM_ID, Market } from '@raydium-io/raydium-sdk';
+import { MinimalMarketLayoutV3 } from './market';
+
+export function createPoolKeys(
+  id: PublicKey,
+  accountData: LiquidityStateV4,
+  minimalMarketLayoutV3: MinimalMarketLayoutV3,
+): LiquidityPoolKeys {
+  return {
+    id,
+    baseMint: accountData.baseMint,
+    quoteMint: accountData.quoteMint,
+    lpMint: accountData.lpMint,
+    baseDecimals: accountData.baseDecimal.toNumber(),
+    quoteDecimals: accountData.quoteDecimal.toNumber(),
+    lpDecimals: 5,
+    version: 4,
+    programId: MAINNET_PROGRAM_ID.AmmV4,
+    authority: Liquidity.getAssociatedAuthority({
+      programId: MAINNET_PROGRAM_ID.AmmV4,
+    }).publicKey,
+    openOrders: accountData.openOrders,
+    targetOrders: accountData.targetOrders,
+    baseVault: accountData.baseVault,
+    quoteVault: accountData.quoteVault,
+    marketVersion: 3,
+    marketProgramId: accountData.marketProgramId,
+    marketId: accountData.marketId,
+    marketAuthority: Market.getAssociatedAuthority({
+      programId: accountData.marketProgramId,
+      marketId: accountData.marketId,
+    }).publicKey,
+    marketBaseVault: accountData.baseVault,
+    marketQuoteVault: accountData.quoteVault,
+    marketBids: minimalMarketLayoutV3.bids,
+    marketAsks: minimalMarketLayoutV3.asks,
+    marketEventQueue: minimalMarketLayoutV3.eventQueue,
+    withdrawQueue: accountData.withdrawQueue,
+    lpVault: accountData.lpVault,
+    lookupTableAccount: PublicKey.default,
+  };
+}