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main.go
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main.go
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package main
import (
"context"
"crypto/rand"
"crypto/rsa"
"encoding/json"
"flag"
"log"
"os"
"github.com/fox-one/mixin-sdk-go"
"github.com/shopspring/decimal"
)
var (
config = flag.String("config", "", "keystore file path")
pin = flag.String("pin", "", "pin")
ctx = context.Background()
)
func main() {
flag.Parse()
f, err := os.Open(*config)
if err != nil {
log.Panicln(err)
}
var store mixin.Keystore
if err := json.NewDecoder(f).Decode(&store); err != nil {
log.Panicln(err)
}
client, err := mixin.NewFromKeystore(&store)
if err != nil {
log.Panicln(err)
}
me, err := client.UserMe(ctx)
if err != nil {
log.Printf("UserMe: %v", err)
return
}
if err := client.VerifyPin(ctx, *pin); err != nil {
log.Printf("VerifyPin: %v", err)
return
}
if app := me.App; app != nil {
input := &mixin.TransferInput{
AssetID: "965e5c6e-434c-3fa9-b780-c50f43cd955c", // cnb
OpponentID: app.CreatorID,
Amount: decimal.NewFromInt(100),
TraceID: mixin.RandomTraceID(),
Memo: "test",
}
snapshot, err := client.Transfer(ctx, input, *pin)
if err != nil {
switch {
case mixin.IsErrorCodes(err, mixin.InsufficientBalance):
log.Println("insufficient balance")
default:
log.Printf("transfer: %v", err)
}
return
}
log.Println("transfer done", snapshot.SnapshotID, snapshot.Memo)
transfer, err := client.ReadTransfer(ctx, snapshot.TraceID)
if err != nil {
log.Printf("ReadTransfer: %v", err)
return
}
if transfer.SnapshotID != snapshot.SnapshotID {
log.Printf("expect %v but got %v", snapshot.SnapshotID, transfer.SnapshotID)
}
if _, err := client.ReadSnapshot(ctx, snapshot.SnapshotID); err != nil {
log.Printf("read snapshot: %v", err)
return
}
}
// create sub wallet
privateKey, _ := rsa.GenerateKey(rand.Reader, 1024)
sub, subStore, err := client.CreateUser(ctx, privateKey, "sub user")
if err != nil {
log.Printf("CreateUser: %v", err)
return
}
log.Println("create sub user", sub.UserID)
// set pin
newPin := mixin.RandomPin()
subClient, _ := mixin.NewFromKeystore(subStore)
if err := subClient.ModifyPin(ctx, "", newPin); err != nil {
log.Printf("ModifyPin: %v", err)
return
}
anotherPin := mixin.RandomPin()
if err := subClient.ModifyPin(ctx, newPin, anotherPin); err != nil {
log.Printf("ModifyPin with pin: %v", err)
return
}
if err := subClient.VerifyPin(ctx, anotherPin); err != nil {
log.Printf("sub user VerifyPin: %v", err)
return
}
}