Go

Official Go client library for ThorStreamer.

Installation

go get github.com/thorlabsDev/ThorStreamer/sdks/[email protected]

Requirements

Go 1.23.2+

Quick Start

main.go

package main

import (
    "context"
    "log"
    "os"
    "time"

    "github.com/joho/godotenv"
    thorclient "github.com/thorlabsDev/ThorStreamer/sdks/go/client"
)

func main() {
    godotenv.Load()

    client, err := thorclient.NewClient(thorclient.Config{
        ServerAddr:     os.Getenv("SERVER_ADDRESS"),
        Token:          os.Getenv("AUTH_TOKEN"),
        DefaultTimeout: 30 * time.Second,
    })
    if err != nil {
        log.Fatal(err)
    }
    defer client.Close()

    stream, err := client.SubscribeToTransactions(context.Background())
    if err != nil {
        log.Fatal(err)
    }

    for {
        msg, err := stream.Recv()
        if err != nil {
            if thorclient.IsStreamDone(err) {
                break
            }
            log.Printf("Error: %v", err)
            break
        }
        if tx := msg.GetTransaction(); tx != nil {
            log.Printf("Transaction: slot=%d", tx.Transaction.Slot)
        }
    }
}

API Reference

Creating a Client

client, err := thorclient.NewClient(thorclient.Config{
    ServerAddr:     "server:50051",
    Token:          "your-token",
    DefaultTimeout: 30 * time.Second,
})
defer client.Close()

SubscribeToTransactions

subscribe_transactions.go

stream, err := client.SubscribeToTransactions(ctx)

for {
    msg, err := stream.Recv()
    if err != nil {
        break
    }
    if tx := msg.GetTransaction(); tx != nil {
        log.Printf("Signature: %x", tx.Transaction.Signature)
    }
}

SubscribeToSlotStatus

subscribe_slot_status.go

stream, err := client.SubscribeToSlotStatus(ctx)

for {
    msg, err := stream.Recv()
    if err != nil {
        break
    }
    if slot := msg.GetSlot(); slot != nil {
        log.Printf("Slot: %d, Status: %d", slot.Slot, slot.Status)
    }
}

SubscribeToWalletTransactions

Monitor up to 10 wallet addresses:

subscribe_wallets.go

wallets := []string{
    "9WzDXwBbmkg8ZTbNMqUxvQRAyrZzDsGYdLVL9zYtAWWM",
    "2ojv9BAiHUrvsm9gxDe7fJSzbNZSJcxZvf8dqmWGHG8S",
}
stream, err := client.SubscribeToWalletTransactions(ctx, wallets)

for {
    msg, err := stream.Recv()
    if err != nil {
        break
    }
    if tx := msg.GetTransaction(); tx != nil {
        log.Printf("Wallet tx: slot=%d", tx.Transaction.Slot)
    }
}

SubscribeToAccountUpdates

Monitor accounts with optional owner filtering:

subscribe_accounts.go

accounts := []string{"account1...", "account2..."}
owners := []string{"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA"}

stream, err := client.SubscribeToAccountUpdates(ctx, accounts, owners)

for {
    msg, err := stream.Recv()
    if err != nil {
        break
    }
    if acc := msg.GetAccountUpdate(); acc != nil {
        log.Printf("Account: %x, lamports=%d", acc.Pubkey, acc.Lamports)
    }
}

Error Handling

msg, err := stream.Recv()
if err != nil {
    if thorclient.IsStreamDone(err) {
        // Stream closed normally (EOF or context cancelled)
        return
    }
    // Handle other errors
    log.Printf("Stream error: %v", err)
    return
}

Full Example

See examples/golang-advanced for a complete implementation with filtering, logging, and event handling.

Resources

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