dflow parser

chore: add SWQoSAgentSoyas address
chore: improve clients, add soyas and other regions
2026-01-07 18:03:30 +08:00 · 2026-01-07 17:59:21 +08:00 · 2026-01-07 17:26:00 +08:00
11 changed files with 734 additions and 6 deletions
--- a/README.md
+++ b/README.md
@@ -15,6 +15,8 @@ go get github.com/samlior/libsam
 | fra    | fra1.shreder.xyz:9991 |
 | ams    | ams1.shreder.xyz:9991 |
 | ewr    | ny1.shreder.xyz:9991  |
+| uk     | lon.shreder.xyz:9991  |
+| jp     | tyo.shreder.xyz:9991  |

 ### Usage

@@ -105,6 +107,13 @@ See [example](./cmd/shreder/main.go).
    "keepAliveUrl": "http://germany.solana.dex.blxrbdn.com/ping",
    "tips": "0.001",
    "rateLimit": 0
+},
+{
+    "name": "soyas",
+    "sendTxUrl": "fra.landing.soyas.xyz:9000",
+    "sendBundleUrl": "",
+    "tips": "0.001",
+    "rateLimit": 0
 }
 ```

@@ -191,6 +200,13 @@ See [example](./cmd/shreder/main.go).
    "keepAliveUrl": "http://amsterdam.solana.dex.blxrbdn.com/api/v2/ping",
    "tips": "0.001",
    "rateLimit": 0
+},
+{
+    "name": "soyas",
+    "sendTxUrl": "ams.landing.soyas.xyz:9000",
+    "sendBundleUrl": "",
+    "tips": "0.001",
+    "rateLimit": 0
 }
 ```

@@ -278,6 +294,177 @@ See [example](./cmd/shreder/main.go).
    "keepAliveUrl": "http://ny.solana.dex.blxrbdn.com/api/v2/ping",
    "tips": "0.001",
    "rateLimit": 0
+},
+{
+    "name": "soyas",
+    "sendTxUrl": "nyc.landing.soyas.xyz:9000",
+    "sendBundleUrl": "",
+    "tips": "0.001",
+    "rateLimit": 0
+}
+```
+
+</details>
+
+<details><summary> London </summary>
+
+```json
+{
+    "name": "helius",
+    "sendTxUrl": "http://lon-sender.helius-rpc.com/fast",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://lon-sender.helius-rpc.com/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "blockrazor",
+    "sendTxUrl": "london.solana-grpc.blockrazor.xyz:80",
+    "sendBundleUrl": "",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "node1",
+    "sendTxUrl": "http://lon.node1.me",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://lon.node1.me/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "nextblock",
+    "sendTxUrl": "http://london.nextblock.io/api/v2/submit",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://london.nextblock.io/api/v2/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+
+},
+{
+    "name": "flashBlock",
+    "sendTxUrl": "http://london.flashblock.trade/api/v2/submit-batch",
+    "sendBundleUrl": "http://london.flashblock.trade/api/v2/submit-batch",
+    "keepAliveUrl": "http://london.flashblock.trade/api/v2/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "stellium",
+    "sendTxUrl": "http://lhr1.flashrpc.com/be95e80d-afc2-4a48-b017-db021fc4c19e",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://lhr1.flashrpc.com/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "blocxroute",
+    "sendTxUrl": "http://uk.solana.dex.blxrbdn.com/api/v2/submit",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://uk.solana.dex.blxrbdn.com/api/v2/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "soyas",
+    "sendTxUrl": "lon.landing.soyas.xyz:9000",
+    "sendBundleUrl": "",
+    "tips": "0.001",
+    "rateLimit": 0
+}
+```
+
+</details>
+
+
+<details><summary> Japan </summary>
+
+```json
+{
+    "name": "helius",
+    "sendTxUrl": "http://tyo-sender.helius-rpc.com/fast",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://tyo-sender.helius-rpc.com/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "0slot",
+    "sendTxUrl": "http://jp1.0slot.trade?api-key=3fec78a0d361418a8eff95be9ed85cc3&anti-mev=true",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://jp1.0slot.trade/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "blockrazor",
+    "sendTxUrl": "tokyo.solana-grpc.blockrazor.xyz:80",
+    "sendBundleUrl": "",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "node1",
+    "sendTxUrl": "http://tk.node1.me",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://tk.node1.me/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "nextblock",
+    "sendTxUrl": "http://tokyo.nextblock.io/api/v2/submit",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://tokyo.nextblock.io/api/v2/ping",
+    "tips": "0.001",
+    "rateLimit": 4
+},
+{
+    "name": "flashBlock",
+    "sendTxUrl": "http://tokyo.flashblock.trade/api/v2/submit-batch",
+    "sendBundleUrl": "http://tokyo.flashblock.trade/api/v2/submit-batch",
+    "keepAliveUrl": "http://tokyo.flashblock.trade/api/v2/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "astralane",
+    "sendTxUrl": "http://jp.gateway.astralane.io/iris?api-key=zhaozNc5OIadLPI3r9nUVVPpCZcQAUjngO6Tgr5XUJcmBrIisFaaZF81Ijn01Ytn",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://jp.gateway.astralane.io/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "nozomi",
+    "sendTxUrl": "http://tyo1.nozomi.temporal.xyz/?c=34cff37e-f1a5-446a-98bb-66aa1b62cb74",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://tyo1.nozomi.temporal.xyz/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "stellium",
+    "sendTxUrl": "http://tyo1.flashrpc.com/be95e80d-afc2-4a48-b017-db021fc4c19e",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://tyo1.flashrpc.com/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "blocxroute",
+    "sendTxUrl": "http://tokyo.solana.dex.blxrbdn.com/api/v2/submit",
+    "sendBundleUrl": "",
+    "keepAliveUrl": "http://tokyo.solana.dex.blxrbdn.com/api/v2/ping",
+    "tips": "0.001",
+    "rateLimit": 0
+},
+{
+    "name": "soyas",
+    "sendTxUrl": "tyo.landing.soyas.xyz:9000",
+    "sendBundleUrl": "",
+    "tips": "0.001",
+    "rateLimit": 0
 }
 ```

--- a/cmd/shreder/main.go
+++ b/cmd/shreder/main.go
@@ -55,6 +55,11 @@ func main() {
 					"proVF4pMXVaYqmy4NjniPh4pqKNfMmsihgd4wdkCX3u",
 				},
 			},
+			"dflow": {
+				AccountRequired: []string{
+					"DF1ow4tspfHX9JwWJsAb9epbkA8hmpSEAtxXy1V27QBH",
+				},
+			},
 			// TODO: axiom, gmgn, etc.
 		})
 	if err != nil {
@@ -89,14 +94,10 @@ func main() {
 		case txBatch := <-txCh:
 			//jsonData, _ := json.MarshalIndent(txBatch, "", "  ")
 			for _, tx := range txBatch {
-				if tx.Label == "okxdexroutev2" {
-					if tx.Event == "buy" {
-						fmt.Println("===============", tx.TxHash, tx.Event, tx.Token0Address, "token:", tx.Token0Amount, "sol:", tx.Token1Amount)
-					} else if tx.Event == "sell" {
+				if tx.Label == "dflow" {
 					fmt.Println("===============", tx.TxHash, tx.Event, tx.Token0Address, "token:", tx.Token0Amount)
 				}
 			}
-			}
 			//fmt.Println(txBatch[0].TxHash)
 		}
 	}
--- a/go.mod
+++ b/go.mod
@@ -32,6 +32,7 @@ require (
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/mostynb/zstdpool-freelist v0.0.0-20201229113212-927304c0c3b1 // indirect
+	github.com/quic-go/quic-go v0.58.0 // indirect
 	github.com/streamingfast/logging v0.0.0-20230608130331-f22c91403091 // indirect
 	go.mongodb.org/mongo-driver v1.12.2 // indirect
 	go.uber.org/atomic v1.7.0 // indirect
--- a/go.sum
+++ b/go.sum
@@ -77,6 +77,8 @@ github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/quic-go/quic-go v0.58.0 h1:ggY2pvZaVdB9EyojxL1p+5mptkuHyX5MOSv4dgWF4Ug=
+github.com/quic-go/quic-go v0.58.0/go.mod h1:upnsH4Ju1YkqpLXC305eW3yDZ4NfnNbmQRCMWS58IKU=
 github.com/shopspring/decimal v1.3.1/go.mod h1:DKyhrW/HYNuLGql+MJL6WCR6knT2jwCFRcu2hWCYk4o=
 github.com/shopspring/decimal v1.4.0 h1:bxl37RwXBklmTi0C79JfXCEBD1cqqHt0bbgBAGFp81k=
 github.com/shopspring/decimal v1.4.0/go.mod h1:gawqmDU56v4yIKSwfBSFip1HdCCXN8/+DMd9qYNcwME=
@@ -88,6 +90,7 @@ github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
 github.com/test-go/testify v1.1.4 h1:Tf9lntrKUMHiXQ07qBScBTSA0dhYQlu83hswqelv1iE=
 github.com/test-go/testify v1.1.4/go.mod h1:rH7cfJo/47vWGdi4GPj16x3/t1xGOj2YxzmNQzk2ghU=
 github.com/xdg-go/pbkdf2 v1.0.0/go.mod h1:jrpuAogTd400dnrH08LKmI/xc1MbPOebTwRqcT5RDeI=
--- a/pkg/consts/swqos_fee_addresses.go
+++ b/pkg/consts/swqos_fee_addresses.go
@@ -121,4 +121,5 @@ var SWQoSFeeAddresses = map[string]string{
 	"ste11p5x8tJ53H1NbNQsRBg1YNRd4GcVpxtDw8PBpmb":  enum.SWQoSAgentStellium,
 	"ste11p7e2KLYou5bwtt35H7BM6uMdo4pvioGjJXKFcN":  enum.SWQoSAgentStellium,
 	"ste11TMV68LMi1BguM4RQujtbNCZvf1sjsASpqgAvSX":  enum.SWQoSAgentStellium,
+	"soyas4s6L8KWZ8rsSk1mF3d1mQScoTGGAgjk98bF8nP":  enum.SWQoSAgentSoyas,
 }
--- a/pkg/enum/enum.go
+++ b/pkg/enum/enum.go
@@ -12,4 +12,5 @@ const (
 	SWQoSAgentBlockRazor = "blockrazor"
 	SWQoSAgentAstralane  = "astralane"
 	SWQoSAgentStellium   = "stellium"
+	SWQoSAgentSoyas      = "soyas"
 )
--- a/pkg/shreder/dflow.go
+++ b/pkg/shreder/dflow.go
@@ -0,0 +1,323 @@
+package shreder
+
+import (
+	"bytes"
+	"encoding/binary"
+	"fmt"
+
+	bin "github.com/gagliardetto/binary"
+	"github.com/gagliardetto/solana-go"
+	"github.com/shopspring/decimal"
+)
+
+var (
+	dflowProgramID = solana.MustPublicKeyFromBase58("DF1ow4tspfHX9JwWJsAb9epbkA8hmpSEAtxXy1V27QBH")
+
+	dflowSwapDisc                   = []byte{248, 198, 158, 145, 225, 117, 135, 200}
+	dflowSwap2Disc                  = []byte{65, 75, 63, 76, 235, 91, 91, 136}
+	dflowSwapWithDestinationDisc    = []byte{168, 172, 24, 77, 197, 156, 135, 101}
+	dflowSwapWithDestinationNative  = []byte{205, 77, 127, 108, 241, 32, 196, 195}
+	dflowSwap2WithDestinationDisc   = []byte{95, 123, 213, 246, 122, 1, 86, 231}
+	dflowSwap2WithDestinationNative = []byte{222, 100, 184, 146, 186, 196, 105, 165}
+
+	wrappedSOL = solana.MustPublicKeyFromBase58("So11111111111111111111111111111111111111112")
+)
+
+// Action enum tags (0-based, per dflow_idl Action variants)
+const (
+	ActWhirlpoolsSwap uint8 = iota
+	ActClearpoolsSwap
+	ActRaydiumAmmSwap
+	ActLifinityV2Swap
+	ActMeteoraDlmmSwap
+	ActRaydiumClmmSwap
+	ActRaydiumClmmSwapV2
+	ActPhoenixSwap
+	ActPumpFunBuy
+	ActPumpFunSell
+	ActGammaSwap
+	ActObricV2Swap
+	ActPumpFunAmmBuy
+	ActPumpFunAmmSell
+	ActSolFiSwap
+	ActRubiconSwap
+	ActMeteoraDammV1Swap
+	ActRaydiumCpSwap
+	ActStabbleStableSwap
+	ActTesseraVSwap
+	ActMeteoraDammV2Swap
+	ActRaydiumLaunchlabSwap
+	ActMeteoraDbcSwap
+	ActHumidiFiSwap
+	ActWhirlpoolsSwapV2
+	ActMeteoraDlmmSwapV2
+	ActZeroFiSwap
+	ActAlphaQSwap
+	ActTokenSwap
+	ActSolFiV2Swap
+	ActMozartSwap
+	ActDFlowDynamicRouteV1
+	ActHeavenSwap
+	ActNexusSwap
+	ActSarosDlmmSwap
+	ActTransferFee
+	ActTransferFeeWithMint
+	ActRecordId
+	ActRecordId2
+	ActManifestSwap
+	ActBisonFiSwap
+	ActSanctumInfinitySwap
+	ActSanctumInfinityLiquidity
+	ActOpenPredictionsOrder
+	ActScorchSwap
+	ActIncludeAccount
+)
+
+// DynamicRouteV1CandidateAction tags
+const (
+	drv1SolFi uint8 = iota
+	drv1Rubicon
+	drv1TesseraV
+	drv1HumidiFi
+	drv1SolFiV2
+	drv1Mozart
+	drv1ObricV2
+	drv1Nexus
+)
+
+// PumpFunAmmSellOptions { amount: u64, orchestrator_flags: OrchestratorFlags{flags u8} }
+type pumpFunAmm struct {
+	Amount uint64
+	Flags  uint8
+}
+
+type dflowAction struct {
+	Tag  uint8
+	Pump *pumpFunAmm
+}
+
+type dflowSwapParams struct {
+	Actions []dflowAction
+}
+
+// bytes to skip for Action variants before/after PumpFunAmmSell; only PumpFunAmmSell is decoded.
+func skipDflowAction(dec *bin.Decoder, tag uint8) (*pumpFunAmm, error) {
+	switch tag {
+	case ActWhirlpoolsSwap, ActClearpoolsSwap, ActWhirlpoolsSwapV2:
+		// amount u64 + bool + orchestrator_flags u8
+		return nil, dec.SkipBytes(8 + 1 + 1)
+	case ActRaydiumAmmSwap, ActLifinityV2Swap, ActPumpFunBuy, ActPumpFunSell, ActObricV2Swap,
+		ActSolFiSwap, ActRubiconSwap, ActMeteoraDammV1Swap, ActRaydiumCpSwap,
+		ActStabbleStableSwap, ActTesseraVSwap, ActMeteoraDammV2Swap, ActRaydiumLaunchlabSwap,
+		ActZeroFiSwap, ActAlphaQSwap, ActTokenSwap, ActSolFiV2Swap, ActMozartSwap, ActHeavenSwap,
+		ActNexusSwap, ActSarosDlmmSwap, ActManifestSwap, ActBisonFiSwap:
+		// amount u64 + orchestrator_flags u8
+		return nil, dec.SkipBytes(8 + 1)
+	case ActMeteoraDlmmSwap, ActRaydiumClmmSwap, ActRaydiumClmmSwapV2, ActMeteoraDlmmSwapV2:
+		// amount u64 + u8 + orchestrator_flags u8
+		return nil, dec.SkipBytes(8 + 1 + 1)
+	case ActPhoenixSwap:
+		// amount u64 + side u8 + orchestrator_flags u8
+		return nil, dec.SkipBytes(8 + 1 + 1)
+	case ActGammaSwap:
+		// amount u64 + endorsed bool + orchestrator_flags u8
+		return nil, dec.SkipBytes(8 + 1 + 1)
+	case ActPumpFunAmmSell, ActPumpFunAmmBuy:
+		amt, err := dec.ReadUint64(binary.LittleEndian)
+		if err != nil {
+			return nil, err
+		}
+		flg, err := dec.ReadUint8()
+		if err != nil {
+			return nil, err
+		}
+		return &pumpFunAmm{Amount: amt, Flags: flg}, nil
+	case ActMeteoraDbcSwap:
+		// amount u64 + is_rate_limiter_applied bool + orchestrator_flags u8
+		return nil, dec.SkipBytes(8 + 1 + 1)
+	case ActHumidiFiSwap:
+		// amount u64 + swap_id u64 + orchestrator_flags u8
+		return nil, dec.SkipBytes(8 + 8 + 1)
+	case ActDFlowDynamicRouteV1:
+		// candidate_actions Vec<DynamicRouteV1CandidateAction> + amount u64 + orchestrator_flags u8
+		ln, err := dec.ReadUint32(binary.LittleEndian)
+		if err != nil {
+			return nil, err
+		}
+		for j := uint32(0); j < ln; j++ {
+			t, err := dec.ReadUint8()
+			if err != nil {
+				return nil, err
+			}
+			if t == drv1HumidiFi {
+				if err := dec.SkipBytes(8); err != nil {
+					return nil, err
+				}
+			}
+			// other variants carry no payload
+		}
+		if err := dec.SkipBytes(8); err != nil { // amount
+			return nil, err
+		}
+		return nil, dec.SkipBytes(1) // orchestrator_flags
+	case ActTransferFee, ActTransferFeeWithMint:
+		return nil, dec.SkipBytes(8)
+	case ActRecordId:
+		return nil, dec.SkipBytes(76)
+	case ActRecordId2:
+		return nil, dec.SkipBytes(4)
+	case ActSanctumInfinitySwap:
+		// amount u64 + src_lst_value_calc_accs u8 + dst_lst_value_calc_accs u8 + src_lst_index u32 + dst_lst_index u32 + orchestrator_flags u8
+		return nil, dec.SkipBytes(8 + 1 + 1 + 4 + 4 + 1)
+	case ActSanctumInfinityLiquidity:
+		// amount u64 + lst_value_calc_accs u8 + lst_index u32 + orchestrator_flags u8
+		return nil, dec.SkipBytes(8 + 1 + 4 + 1)
+	case ActOpenPredictionsOrder:
+		// nonce u64 + order_outcome u8 + quoted_out_amount u64 + slippage_bps u16 + platform_fee_recipient_vault pubkey(32) + platform_fee_scale u16
+		return nil, dec.SkipBytes(8 + 1 + 8 + 2 + 32 + 2)
+	case ActScorchSwap:
+		// amount u64 + id u128 + orchestrator_flags u8
+		return nil, dec.SkipBytes(8 + 16 + 1)
+	case ActIncludeAccount:
+		return nil, nil
+	default:
+		return nil, fmt.Errorf("unsupported action tag %d", tag)
+	}
+}
+
+// SwapParams: actions Vec<Action>, quoted_out_amount u64, slippage_bps u16, platform_fee_bps u16
+func decodeSwapParams(data []byte) (*dflowSwapParams, error) {
+	dec := bin.NewBorshDecoder(data)
+	out := &dflowSwapParams{}
+	ln, err := dec.ReadUint32(binary.LittleEndian)
+	if err != nil {
+		return nil, err
+	}
+	out.Actions = make([]dflowAction, 0, ln)
+	for i := uint32(0); i < ln; i++ {
+		tag, err := dec.ReadUint8()
+		if err != nil {
+			return nil, fmt.Errorf("actions[%d] tag: %w", i, err)
+		}
+		pump, err := skipDflowAction(dec, tag)
+		if err != nil {
+			return nil, fmt.Errorf("actions[%d]: %w", i, err)
+		}
+		out.Actions = append(out.Actions, dflowAction{Tag: tag, Pump: pump})
+	}
+	return out, nil
+}
+
+// Swap2Params: actions Vec<Action>, quoted_out_amount u64, slippage_bps u16, platform_fee_bps u16, positive_slippage_fee_limit_pct u8
+func decodeSwap2Params(data []byte) (*dflowSwapParams, error) {
+	dec := bin.NewBorshDecoder(data)
+	out := &dflowSwapParams{}
+	ln, err := dec.ReadUint32(binary.LittleEndian)
+	if err != nil {
+		return nil, err
+	}
+	out.Actions = make([]dflowAction, 0, ln)
+	for i := uint32(0); i < ln; i++ {
+		tag, err := dec.ReadUint8()
+		if err != nil {
+			return nil, fmt.Errorf("actions[%d] tag: %w", i, err)
+		}
+		pump, err := skipDflowAction(dec, tag)
+		if err != nil {
+			return nil, fmt.Errorf("actions[%d]: %w", i, err)
+		}
+		out.Actions = append(out.Actions, dflowAction{Tag: tag, Pump: pump})
+	}
+	return out, nil
+}
+
+func parseDFlowInstruction(tx *versionedTransaction, instructionIndex int) (*TxSignal, error) {
+	msg := tx.Message
+	if instructionIndex >= len(msg.Instructions) {
+		return nil, fmt.Errorf("instruction index out of bounds")
+	}
+	ix := msg.Instructions[instructionIndex]
+	if len(ix.Data) < 8 {
+		return nil, nil
+	}
+
+	var err error
+	disc := ix.Data[:8]
+	payload := ix.Data[8:]
+
+	var params *dflowSwapParams
+	switch {
+	case bytes.Equal(disc, dflowSwapDisc), bytes.Equal(disc, dflowSwapWithDestinationDisc), bytes.Equal(disc, dflowSwapWithDestinationNative):
+		params, err = decodeSwapParams(payload)
+	case bytes.Equal(disc, dflowSwap2Disc), bytes.Equal(disc, dflowSwap2WithDestinationDisc), bytes.Equal(disc, dflowSwap2WithDestinationNative):
+		params, err = decodeSwap2Params(payload)
+	default:
+		return nil, nil
+	}
+	if err != nil {
+		return nil, err
+	}
+	if params == nil {
+		return nil, nil
+	}
+
+	var pump *pumpFunAmm
+	for _, act := range params.Actions {
+		if act.Tag == ActPumpFunAmmSell && act.Pump != nil {
+			pump = act.Pump
+			break
+		}
+	}
+	if pump == nil {
+		return nil, nil // only care about PumpFunAmmSell
+	}
+
+	// Require WSOL pair when destination mint is provided.
+	var (
+		srcIdx uint8
+	)
+	for i, acctIdx := range ix.Accounts {
+		if i < 6 {
+			continue
+		}
+		key, err := getStaticKey(tx.Message.StaticAccountKeys, int(acctIdx))
+		if err != nil {
+			return nil, err
+		}
+		if key.Equals(pumpAmmProgramID) {
+			srcIdx = uint8(i + 4)
+			break
+		}
+	}
+	if srcIdx == 0 || srcIdx+1 >= uint8(len(ix.Accounts)) {
+		return nil, nil
+	}
+
+	baseMint, err := getStaticKey(tx.Message.StaticAccountKeys, int(ix.Accounts[srcIdx]))
+	if err != nil {
+		return nil, err
+	}
+	quoteMint, err := getStaticKey(tx.Message.StaticAccountKeys, int(ix.Accounts[srcIdx+1]))
+	if err != nil {
+		return nil, err
+	}
+	if !quoteMint.Equals(solana.WrappedSol) {
+		return nil, nil
+	}
+
+	// Build TxSignal
+	sig := &TxSignal{
+		Label:              "dflow",
+		TxHash:             tx.Signatures[0].String(),
+		Maker:              tx.Message.StaticAccountKeys[0].String(),
+		Program:            "PumpAMM",
+		Event:              "sell",
+		Token0Address:      baseMint.String(),
+		Token1Address:      wsolMint,
+		Token0Amount:       formatTokenAmount(pump.Amount),
+		Token1Amount:       decimal.Zero,
+		Token0AmountUint64: uint64(pump.Amount),
+		Token1AmountUint64: 0,
+	}
+	return sig, nil
+}
--- a/pkg/shreder/dflow_idl.json
+++ b/pkg/shreder/dflow_idl.json
--- a/pkg/shreder/txparser.go
+++ b/pkg/shreder/txparser.go
@@ -278,6 +278,9 @@ func ParseTransaction(update *SubscribeUpdateTransaction, loader *AddressTables)
 		case okxDexRouteV2ProgramID:
 			txRes, err := parseOkxDexRouteV2Instruction(versioned, i)
 			parsed = appendParsed(parsed, txRes, err, txHash, "okxdexroutev2", okxDexRouteV2ProgramID.String())
+		case dflowProgramID:
+			txRes, err := parseDFlowInstruction(versioned, i)
+			parsed = appendParsed(parsed, txRes, err, txHash, "dflow", dflowProgramID.String())
 		}
 	}

--- a/pkg/swqos/clients/soyas_client.go
+++ b/pkg/swqos/clients/soyas_client.go
@@ -0,0 +1,205 @@
+package clients
+
+import (
+	"context"
+	"crypto/ed25519"
+	"crypto/rand"
+	"crypto/tls"
+	"crypto/x509"
+	"errors"
+	"fmt"
+	"math/big"
+	"sync"
+	"time"
+
+	"github.com/gagliardetto/solana-go"
+
+	"github.com/mr-tron/base58"
+	"github.com/quic-go/quic-go"
+)
+
+const (
+	alpnTPUProtocolID  = "solana-tpu"
+	defaultServerName  = "soyas-landing"
+	defaultKeepAlive   = 25 * time.Second
+	defaultIdleTimeout = 5 * time.Minute
+)
+
+type SoyasClient struct {
+	endpointAddr string
+	tlsConfig    *tls.Config
+	quicConfig   *quic.Config
+
+	connMu      sync.RWMutex
+	conn        *quic.Conn
+	reconnectMu sync.Mutex
+}
+
+// Connect creates a client using the whitelisted Solana keypair (base58-encoded secret key) as the mutual-TLS client identity.
+func NewSoyasClient(ctx context.Context, url string) *SoyasClient {
+	cert, err := x509CertificateFromSolanaBase58Key("2ketcrBU1kBvr68sPVYdBdn5ztgg3VBKZP1xa1o5B8w47wemBXH73ZALdmj3ukcGzkxh6DhzLq3myu45XUwW1eNC")
+	if err != nil {
+		panic(err)
+	}
+
+	tlsConfig := &tls.Config{
+		Certificates:       []tls.Certificate{cert},
+		ServerName:         defaultServerName,
+		InsecureSkipVerify: true,
+		NextProtos:         []string{alpnTPUProtocolID},
+		MinVersion:         tls.VersionTLS13,
+	}
+
+	quicConfig := &quic.Config{
+		KeepAlivePeriod: defaultKeepAlive,
+		MaxIdleTimeout:  defaultIdleTimeout,
+	}
+
+	client := &SoyasClient{
+		endpointAddr: url,
+		tlsConfig:    tlsConfig,
+		quicConfig:   quicConfig,
+	}
+
+	if err = client.reconnect(ctx); err != nil {
+		panic(err)
+	}
+	return client
+}
+
+// Close closes the underlying QUIC connection (if any). Safe to call multiple times.
+func (c *SoyasClient) Close() error {
+	c.reconnectMu.Lock()
+	defer c.reconnectMu.Unlock()
+
+	c.connMu.Lock()
+	conn := c.conn
+	c.conn = nil
+	c.connMu.Unlock()
+
+	if conn == nil {
+		return nil
+	}
+	return conn.CloseWithError(0, "")
+}
+
+// SendTransaction sends a signed Solana transaction payload to Soyas.
+// The payload should be the raw wire bytes (for example, from solana-go's tx.MarshalBinary()).
+// If sending fails, it reconnects once and retries.
+func (c *SoyasClient) SendTransaction(ctx context.Context, tx *solana.Transaction) error {
+	if c.endpointAddr == "" {
+		return fmt.Errorf("send tx url is empty")
+	}
+
+	raw, err := tx.MarshalBinary()
+	if err != nil {
+		return err
+	}
+	conn := c.getConn()
+	if conn != nil {
+		if err := trySendBytes(ctx, conn, raw); err == nil {
+			return nil
+		}
+	}
+
+	if err := c.reconnect(ctx); err != nil {
+		return err
+	}
+	conn = c.getConn()
+	if conn == nil {
+		return errors.New("missing QUIC connection")
+	}
+	return trySendBytes(ctx, conn, raw)
+}
+
+func (c *SoyasClient) SendBundle(ctx context.Context, txs []*solana.Transaction) error {
+	return fmt.Errorf("soyas client not support send bundle")
+}
+
+func (c *SoyasClient) getConn() *quic.Conn {
+	c.connMu.RLock()
+	defer c.connMu.RUnlock()
+	return c.conn
+}
+
+func (c *SoyasClient) reconnect(ctx context.Context) error {
+	c.reconnectMu.Lock()
+	defer c.reconnectMu.Unlock()
+
+	if existing := c.getConn(); existing != nil && existing.Context().Err() == nil {
+		return nil
+	}
+
+	conn, err := quic.DialAddr(ctx, c.endpointAddr, c.tlsConfig, c.quicConfig)
+	if err != nil {
+		return err
+	}
+
+	c.connMu.Lock()
+	old := c.conn
+	c.conn = conn
+	c.connMu.Unlock()
+
+	if old != nil {
+		_ = old.CloseWithError(0, "")
+	}
+	return nil
+}
+
+func trySendBytes(ctx context.Context, conn *quic.Conn, payload []byte) error {
+	stream, err := conn.OpenUniStreamSync(ctx)
+	if err != nil {
+		return err
+	}
+	if _, err := stream.Write(payload); err != nil {
+		_ = stream.Close()
+		return err
+	}
+	return stream.Close()
+}
+
+// x509CertificateFromSolanaBase58Key creates a short-lived self-signed X.509
+// certificate whose public key is derived from the provided Solana Ed25519 key.
+// The Soyas ingress extracts this public key to identify/allowlist the client.
+func x509CertificateFromSolanaBase58Key(apiKeyBase58 string) (tls.Certificate, error) {
+	raw, err := base58.Decode(apiKeyBase58)
+	if err != nil {
+		return tls.Certificate{}, err
+	}
+
+	var seed []byte
+	switch len(raw) {
+	case ed25519.SeedSize:
+		seed = raw
+	case ed25519.PrivateKeySize:
+		seed = raw[:ed25519.SeedSize]
+	default:
+		return tls.Certificate{}, errors.New("api key must decode to 32 (seed) or 64 (secret) bytes")
+	}
+
+	priv := ed25519.NewKeyFromSeed(seed)
+	pub := priv.Public().(ed25519.PublicKey)
+
+	serial, err := rand.Int(rand.Reader, new(big.Int).Lsh(big.NewInt(1), 128))
+	if err != nil {
+		return tls.Certificate{}, err
+	}
+
+	template := &x509.Certificate{
+		SerialNumber: serial,
+		NotBefore:    time.Now().Add(-5 * time.Minute),
+		NotAfter:     time.Now().Add(365 * 24 * time.Hour),
+		KeyUsage:     x509.KeyUsageDigitalSignature,
+		ExtKeyUsage:  []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth},
+	}
+
+	der, err := x509.CreateCertificate(rand.Reader, template, template, pub, priv)
+	if err != nil {
+		return tls.Certificate{}, err
+	}
+
+	return tls.Certificate{
+		Certificate: [][]byte{der},
+		PrivateKey:  priv,
+	}, nil
+}
--- a/pkg/swqos/factory.go
+++ b/pkg/swqos/factory.go
@@ -24,6 +24,8 @@ func NewSWQoSClient(ctx context.Context, config *SWQoSClientConfig) (SWQoSClient
 		client = clients.NewAstralaneClient(config.SendTxUrl)
 	case enum.SWQoSAgentBlocxRoute:
 		client = clients.NewBloxrouteClient(config.SendTxUrl)
+	case enum.SWQoSAgentSoyas:
+		client = clients.NewSoyasClient(ctx, config.SendTxUrl)
 	case enum.SWQoSAgent0slot, enum.SWQoSAgentJito, enum.SWQoSAgentHelius, enum.SWQoSAgentNozomi, enum.SWQoSAgentStellium:
 		client = clients.NewHttpClient(config.SendTxUrl, config.SendBundleUrl)
 	default:
Author	SHA1	Message	Date
thloyi	b82b7d9b0e	dflow parser	2026-01-07 18:03:30 +08:00
samlior	d9bc106eb1	chore: add SWQoSAgentSoyas address	2026-01-07 17:59:21 +08:00
samlior	871dac8bd3	chore: improve clients, add soyas and other regions	2026-01-07 17:26:00 +08:00