Download Channel

Create a new Download Channel

Prerequisites

• Sirius SDK
• A text editor or IDE
• Have a Drive with enough Replicators

Getting into some code

package main

import (
    "context"
    "fmt"
    "github.com/proximax-storage/go-xpx-chain-sdk/sdk"
)

const (
    // Sirius REST server
    baseUrl = "http://localhost:3000"
    // owner private Key
    priveaKey = "E8DAFF4218CC6E3185ABE506D084DCF387A1C9986F9ED9244D72110A7998FCCF"
    // drive pubKey
    pubKey = "809CD6699B7F38063E28F606BD3A8AECA6E13B1E688FE8E733D13DB843BC14B7"
)

func main() {
    conf, err := sdk.NewConfig(context.Background(), []string{baseUrl})
    if err != nil {
        fmt.Printf("NewConfig returned error: %s", err)
        return
    }

    // Use the default http client
    client := sdk.NewClient(nil, conf)

    driveAccount, err := client.NewAccountFromPrivateKey(pubKey)
    if err != nil {
        panic(err)
    }

    ownerAccount, err := client.NewAccountFromPrivateKey(priveaKey)
    if err != nil {
        panic(err)
    }

    // New Download Channel
    downloadTx, err := Client.NewDownloadTransaction(
        sdk.NewDeadline(Deadline),
        driveAccount.PublicAccount,
        sdk.StorageSize(100),   // Storage size in Mb
        sdk.Amount(100),        // Fee in XPX
        []*sdk.PublicAccount{}, // List of keys that can download. The empty list means that only owner can download
    )
    if err != nil {
        panic(err)
    }

    // Could be sign by any account that has XPX
    signedTx, err := ownerAccount.Sign(downloadTx)
    if err != nil {
        panic(err)
    }

    _, err = Client.Transaction.Announce(context.TODO(), signedTx)
    if err != nil {
        panic(err)
    }

    // you can subscribe on transaction with WebSocket
}