Created
January 12, 2019 07:53
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package main | |
import ( | |
"fmt" | |
"github.com/stellar/go/build" | |
"github.com/stellar/go/clients/horizon" | |
"github.com/stellar/go/keypair" | |
"net/http" | |
) | |
func panicErr(err error) { | |
if err != nil { | |
if e, ok := err.(*horizon.Error); ok { | |
b, _ := e.Problem.Extras["result_codes"].MarshalJSON() | |
fmt.Println(string(b)) | |
} else { | |
panic(err) | |
} | |
} | |
} | |
func main() { | |
fmt.Println("Hello world") | |
masterAccountKeypair, _ := keypair.Random() | |
v4bpAsset := build.CreditAsset("V4BP", masterAccountKeypair.Address()) | |
{ | |
url := fmt.Sprintf("https://friendbot.stellar.org?addr=%s", masterAccountKeypair.Address()) | |
resp, err := http.Get(url) | |
if err != nil { | |
panic(err) | |
} | |
if resp.StatusCode == http.StatusOK { | |
fmt.Printf("Account has been created ! %s ", masterAccountKeypair.Address()) | |
} | |
} | |
candidateNames := []string{ | |
"lisa", "jennie", "jisoo", "rose", | |
} | |
// สร้าง Operation | |
operations := []build.TransactionMutator{ | |
build.SourceAccount{ | |
AddressOrSeed: masterAccountKeypair.Address(), | |
}, | |
build.TestNetwork, | |
build.AutoSequence{ | |
SequenceProvider: horizon.DefaultTestNetClient, | |
}, | |
} | |
candidateSecrets := []string{} | |
for _, name := range candidateNames { | |
candidateKeypair, _ := keypair.Random() | |
fmt.Printf("Generate wallet for %s: %s\n", name, candidateKeypair.Address()) | |
candidateSecrets = append(candidateSecrets, candidateKeypair.Seed()) | |
operations = append(operations, build.CreateAccount( | |
build.Destination{ | |
AddressOrSeed: candidateKeypair.Address(), | |
}, | |
build.NativeAmount{ | |
Amount: "50", | |
}, | |
)) | |
operations = append(operations, build.Trust( | |
v4bpAsset.Code, | |
v4bpAsset.Issuer, | |
build.SourceAccount{ | |
AddressOrSeed: candidateKeypair.Address(), | |
}, | |
)) | |
} | |
// สร้าง Transaction | |
tx, err := build.Transaction(operations...) | |
if err != nil { | |
panic(err) | |
} | |
// Sign transaction | |
candidateSecrets = append(candidateSecrets, masterAccountKeypair.Seed()) | |
txe, err := tx.Sign(candidateSecrets...) | |
if err != nil { | |
panic(err) | |
} | |
txe64, err := txe.Base64() | |
// Submit transaction | |
resp, err := horizon.DefaultTestNetClient.SubmitTransaction(txe64) | |
if err != nil { | |
panicErr(err) | |
} | |
fmt.Printf("MasterAccount addr: %s\nsecret: %s\n", masterAccountKeypair.Address(), masterAccountKeypair.Seed()) | |
fmt.Printf("Tx hash: %s\n", resp.Hash) | |
} |
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