Клиент Apex на Go

go get github.com/orbitflare/orbitflare-apex-go@latest
go get github.com/gagliardetto/solana-go@v1.24.0

go mod init apexdemo
go get github.com/orbitflare/orbitflare-apex-go@latest github.com/gagliardetto/solana-go@v1.24.0
APEX_API_KEY=... KEYPAIR_PATH=payer.json go run .

signature, err := client.SendTransactionWithResponse(ctx, tx)
var rejected *apex.RejectedError
switch {
case errors.As(err, &rejected):
	fmt.Printf("rejected: %s: %s\n", rejected.Code, rejected.Message)
case err != nil:
	log.Fatal(err)
default:
	fmt.Println("accepted:", signature)
}

config := solana.TransactionConfig{}.
	WithComputeUnitLimit(100_000).
	WithLoadedAccountsDataSizeLimit(1024 * 1024).
	WithPriorityFee(4_000)

tx, err := solana.NewTransaction([]solana.Instruction{
	yourInstruction,
	apex.TipInstruction(payer.PublicKey(), tipAccount, apex.MinTipLamports),
}, blockhash,
	solana.TransactionPayer(payer.PublicKey()),
	solana.TransactionV1Config(config),
)
if err != nil {
	log.Fatal(err)
}
if _, err := tx.Sign(func(solana.PublicKey) *solana.PrivateKey { return &payer }); err != nil {
	log.Fatal(err)
}
signature, err := client.SendTransaction(ctx, tx)
if err != nil {
	log.Fatal(err)
}
fmt.Println("sent v1:", signature)

wire, err := base64.StdEncoding.DecodeString(signedBase64)
if err != nil {
	log.Fatal(err)
}
if err := client.SendTransactionBytes(ctx, wire); err != nil {
	log.Fatal(err)
}

apexRPC := rpc.New(apex.Frankfurt, apiKey)

if err := apexRPC.Ping(ctx); err != nil {
	log.Fatal(err)
}

wire, err := apex.SerializeTransaction(tx)
if err != nil {
	log.Fatal(err)
}

signature, err := apexRPC.SendTransaction(ctx, wire, false, nil)
if err != nil {
	log.Fatal(err)
}
fmt.Println("JSON-RPC:", signature)

signature, err = apexRPC.SendTransactionBinary(ctx, wire, false, apex.RetryBudget(20))
if err != nil {
	var rpcErr *rpc.Error
	if errors.As(err, &rpcErr) {
		fmt.Println("rejected:", rpcErr.Message)
	}
	log.Fatal(err)
}
fmt.Println("send-bin:", signature)

wires := make([][]byte, 0, len(txs))
for _, tx := range txs {
	wire, err := apex.SerializeTransaction(tx)
	if err != nil {
		log.Fatal(err)
	}
	wires = append(wires, wire)
}

result, err := apexRPC.SendBatch(ctx, wires, false, nil)
if err != nil {
	log.Fatal(err)
}
fmt.Printf("%d accepted, %d rejected\n", result.Accepted, result.Rejected)
for i, item := range result.Results {
	if item.Accepted {
		fmt.Println(i, "accepted:", item.Signature)
	} else {
		fmt.Println(i, "rejected:", item.Error, item.Message)
	}
}

firstWire, _ := apex.SerializeTransaction(first)
secondWire, _ := apex.SerializeTransaction(second)

accepted, err := apexRPC.SendBundle(ctx, [][]byte{firstWire, secondWire})
if err != nil {
	log.Fatal(err)
}
fmt.Println("bundle", accepted.BundleID)

for range 60 {
	statuses, err := apexRPC.BundleStatuses(ctx, []string{accepted.BundleID})
	if err != nil {
		log.Fatal(err)
	}
	if len(statuses) > 0 {
		switch statuses[0].State {
		case rpc.BundleLanded:
			fmt.Println("landed in slot", *statuses[0].LandedSlot)
			return
		case rpc.BundleFailed, rpc.BundleInvalid:
			fmt.Println("did not land:", statuses[0].State)
			return
		}
	}
	time.Sleep(500 * time.Millisecond)
}

var wg sync.WaitGroup
for _, tx := range txs {
	wg.Add(1)
	go func() {
		defer wg.Done()
		signature, err := client.SendTransaction(ctx, tx)
		if err != nil {
			log.Println("send failed:", err)
			return
		}
		log.Println("sent", signature)
	}()
}
wg.Wait()

region, ok := apex.ParseRegion("tokyo")
if !ok {
	log.Fatal("unknown region")
}
fmt.Println(region.Code(), region.QUICEndpoint(), region.RPCURL())

client, err := apex.ConnectWithOptions(ctx, apex.Options{
	Endpoint:       apex.NewYork.QUICEndpoint(),
	BindAddr:       "0.0.0.0:47001",
	MEVProtect:     true,
	MaxRetries:     apex.RetryBudget(30),
	ConnectTimeout: 3 * time.Second,
	SendTimeout:    time.Second,
	KeepAlive:      time.Second,
}, apiKey)
if err != nil {
	log.Fatal(err)
}
defer client.Close()

go func() {
	for range time.Tick(10 * time.Second) {
		log.Printf("apex health=%s reconnects=%d zero_rtt=%d remote=%s",
			client.Health(), client.ReconnectsTotal(), client.ZeroRTTResumptionsTotal(), client.RemoteAddr())
	}
}()

_, err := client.SendTransaction(ctx, tx)
var tooLarge *apex.TooLargeError
switch {
case err == nil:
case errors.As(err, &tooLarge):
	fmt.Println("transaction is", tooLarge.Size, "bytes")
case errors.Is(err, apex.ErrTimeout):
	fmt.Println("timed out, the transaction may still have been sent")
case errors.Is(err, apex.ErrConnect), errors.Is(err, apex.ErrConnection):
	fmt.Println("connection problem:", err)
default:
	fmt.Println(err)
}

fmt.Println(apex.ClientPubkey(apiKey))

git clone https://github.com/orbitflare/orbitflare-apex-go.git
cd orbitflare-apex-go
APEX_API_KEY=... KEYPAIR_PATH=payer.json SOLANA_RPC_URL=https://... \
  go run ./examples/quic_send