fix pump amm quoteAmountIn

metaoradlmm.go

@@ -2006,16 +2006,12 @@ func resolveDlmmSwapAccounts(result *RawTx, accounts []int) (dlmmSwapAccounts, e
 		if eventAuthorityPos < len(accounts) && accountList[accounts[eventAuthorityPos]].Equals(solana.MemoProgramID) {
 			eventAuthorityPos++
 		}
-		programPos := eventAuthorityPos + 1
+		if eventAuthorityPos >= len(accounts) {
-		if programPos >= len(accounts) {
 			continue
 		}
 		if !accountList[accounts[eventAuthorityPos]].Equals(meteoraDlmmEventAuthority) {
 			continue
 		}
-		if !accountList[accounts[programPos]].Equals(meteoraDlmmProgram) {
-			continue
-		}
 
 		if hostFeePresent && oraclePos+1 < len(accounts) && dlmmIsSigner(result, accounts[oraclePos+1]) {
 			continue

metaoradlmm_test.go

@@ -222,6 +222,50 @@ func TestDlmmDecodeLbPairCreateEvent(t *testing.T) {
 	}
 }
 
+func TestResolveDlmmSwapAccountsAllowsRemainingAccountsAfterEventAuthority(t *testing.T) {
+	t.Parallel()
+
+	accountList := make([]solana.PublicKey, 40)
+	for i := range accountList {
+		accountList[i] = testPublicKey(byte(i + 1))
+	}
+	accountList[0] = testPublicKey(200)
+	accountList[26] = meteoraDlmmProgram
+	accountList[27] = solana.MemoProgramID
+	accountList[29] = solana.TokenProgramID
+	accountList[33] = meteoraDlmmEventAuthority
+
+	rawTx := &RawTx{
+		accountList: accountList,
+		Transaction: Transaction{
+			Message: Message{
+				AccountKeys: accountList[:11],
+				Header: Header{
+					NumRequiredSignatures: 1,
+				},
+			},
+		},
+	}
+	accounts := []int{13, 26, 16, 14, 11, 4, 35, 28, 15, 26, 0, 29, 29, 27, 33, 29, 3, 7, 2}
+
+	resolved, err := resolveDlmmSwapAccounts(rawTx, accounts)
+	if err != nil {
+		t.Fatalf("resolveDlmmSwapAccounts() error = %v", err)
+	}
+	if resolved.poolIdx != 13 {
+		t.Fatalf("poolIdx = %d, want 13", resolved.poolIdx)
+	}
+	if resolved.reserveXIdx != 16 || resolved.reserveYIdx != 14 {
+		t.Fatalf("reserve indexes = %d/%d, want 16/14", resolved.reserveXIdx, resolved.reserveYIdx)
+	}
+	if resolved.userIdx != 0 {
+		t.Fatalf("userIdx = %d, want 0", resolved.userIdx)
+	}
+	if resolved.tokenXProgramIdx != 29 || resolved.tokenYProgramIdx != 29 {
+		t.Fatalf("token program indexes = %d/%d, want 29/29", resolved.tokenXProgramIdx, resolved.tokenYProgramIdx)
+	}
+}
+
 func TestMeteoraDlmmInitializeParserUsesLbPairCreateEvent(t *testing.T) {
 	t.Parallel()
 

pumpamm.go

@@ -616,6 +616,10 @@ func ammBuyParser(tx *Tx, instruction Instruction, innerInstructions InnerInstru
 		userQuote = userQuote.Add(decimal.NewFromUint64(userBalance))
 	}
 	isCashbackCoin := event.CashbackFeeBasisPoints > 0 || event.Cashback > 0
+	quoteAmount := decimal.NewFromUint64(event.UserQuoteAmountIn)
+	if event.IxName == "buy" {
+		quoteAmount = decimal.NewFromUint64(event.QuoteAmountIn)
+	}
 	swap := Swap{
 		Program:           SolProgramPumpAMM,
 		Event:             "buy",
@@ -629,7 +633,7 @@ func ammBuyParser(tx *Tx, instruction Instruction, innerInstructions InnerInstru
 		QuoteMintDecimals: quoteMintDecimals,
 		User:              eventUser,
 		BaseAmount:        decimal.NewFromUint64(event.BaseAmountOut),
-		QuoteAmount:       decimal.NewFromUint64(event.UserQuoteAmountIn),
+		QuoteAmount:       quoteAmount,
 		BaseReserve:       decimal.NewFromUint64(event.PoolBaseTokenReserve - event.BaseAmountOut),
 		QuoteReserve:      decimal.NewFromUint64(event.PoolQuoteTokenReserve + event.QuoteAmountIn),
 		Mayhem:            isMayhemPump(result.accountList[instruction.Accounts[9]]),