fix: dropped jupiter sol swap transactions

packages/swap/src/providers/jupiter/index.ts

@@ -616,7 +616,7 @@ async function getJupiterTokens(abortable?: {
   const url = JUPITER_TOKENS_URL;
   let failed = false;
   let tokens: JupiterTokenInfo[];
-  const backoff = [0, 100, 500, 1000, 2_500, 5_000];
+  const backoff = [0, 100, 500, 1000, 2_000, 4_000];
   let backoffi = 0;
   let errRef: undefined | { err: Error };
 
@@ -795,7 +795,7 @@ async function getJupiterQuote(
 
   let failed = false;
   let quote: JupiterQuoteResponse;
-  const backoff = [0, 100, 500, 1000, 2_500, 5_000];
+  const backoff = [0, 100, 500, 1000, 2_000, 4_000];
   let backoffi = 0;
   let errRef: undefined | { err: Error };
 
@@ -936,12 +936,23 @@ async function getJupiterSwap(
     feeAccount: referrerATAPubkey?.toBase58(),
     quoteResponse: quote,
     destinationTokenAccount: dstATAPubkey?.toBase58(),
+    /** @see https://station.jup.ag/api-v6/post-swap */
+    prioritizationFeeLamports: {
+      /**
+       * The automatic fee seems low and frequently causes transactions
+       * to be dropped when traffic is high
+       *
+       * This number has been arbitrary selected from manual testing @ 2024-11-21
+       * where there's been a bunch of network activity causing dropped transactions
+       */
+      autoMultiplier: 6,
+    },
   };
 
   const url = `${JUPITER_API_URL}swap`;
   let failed = false;
   let swap: JupiterSwapResponse;
-  const backoff = [0, 100, 500, 1000, 2_500, 5_000];
+  const backoff = [0, 100, 500, 1000, 2_000, 4_000];
   let backoffi = 0;
   let errRef: undefined | { err: Error };
 
@@ -1197,6 +1208,6 @@ function sleep(
       clearTimeout(timeout);
     }
     abortable?.signal?.addEventListener("abort", onAbortDuringSleep);
-    const timeout = setTimeout(onTimeout);
+    const timeout = setTimeout(onTimeout, duration);
   });
 }

packages/swap/src/providers/jupiter/types.ts

@@ -87,7 +87,14 @@ export type JupiterSwapParams = {
   trackingAccount?: string;
   /** Integer */
   computeUnitPriceMicroLamports?: number;
-  prioritizationFeeLamports?: number;
+  /** Integer */
+  prioritizationFeeLamports?:
+    | number
+    | "auto"
+    | {
+        /** Integer */
+        autoMultiplier: number;
+      };
   /** Default: false */
   asLegacyTransaction?: boolean;
   /** Default: false */

packages/swap/src/utils/solana.ts

@@ -118,6 +118,58 @@ export function extractComputeBudget(
   );
 }
 
+/**
+ * @see https://solana.com/docs/core/fees#prioritization-fees
+ */
+export function extractComputeUnitPriceMicroLamports(
+  tx: VersionedTransaction,
+): undefined | number | bigint {
+  /** Compute unit price */
+  let computeUnitPriceMicroLamports: undefined | number | bigint;
+
+  // eslint-disable-next-line no-restricted-syntax, no-labels
+  instructionLoop: for (
+    let i = 0, len = tx.message.compiledInstructions.length;
+    i < len;
+    i++
+  ) {
+    const instr = tx.message.compiledInstructions[i];
+    const program = tx.message.staticAccountKeys[instr.programIdIndex];
+    if (!ComputeBudgetProgram.programId.equals(program)) continue;
+
+    const keys = instr.accountKeyIndexes.map(
+      (accountKeyIndex): AccountMeta => ({
+        pubkey: tx.message.staticAccountKeys[accountKeyIndex],
+        isSigner: tx.message.isAccountSigner(accountKeyIndex),
+        isWritable: tx.message.isAccountWritable(accountKeyIndex),
+      }),
+    );
+
+    // Decompile the instruction
+    const instruction = new TransactionInstruction({
+      keys,
+      programId: program,
+      data: Buffer.from(instr.data),
+    });
+
+    const type = ComputeBudgetInstruction.decodeInstructionType(instruction);
+    switch (type) {
+      case "SetComputeUnitPrice": {
+        // Compute limit
+        const command =
+          ComputeBudgetInstruction.decodeSetComputeUnitPrice(instruction);
+        computeUnitPriceMicroLamports = command.microLamports;
+        // eslint-disable-next-line no-labels
+        break instructionLoop;
+      }
+      default: /** noop */
+        break;
+    }
+  }
+
+  return computeUnitPriceMicroLamports;
+}
+
 /**
  * Insert new instructions at the start of a transaction, after compute budget and compute limit instructions
  */