Beispiel #1
0
// MutateTransaction for ManageOfferBuilder causes the underylying
// ManageData to be added to the operation list for the provided
// transaction
func (m ManageOfferBuilder) MutateTransaction(o *TransactionBuilder) error {
	if m.Err != nil {
		return m.Err
	}

	if m.PassiveOffer {
		m.O.Body, m.Err = xdr.NewOperationBody(xdr.OperationTypeCreatePassiveOffer, m.PO)
		o.TX.Operations = append(o.TX.Operations, m.O)
	} else {
		m.O.Body, m.Err = xdr.NewOperationBody(xdr.OperationTypeManageOffer, m.MO)
		o.TX.Operations = append(o.TX.Operations, m.O)
	}
	return m.Err
}
Beispiel #2
0
// MutateTransaction for PaymentBuilder causes the underylying PaymentOp
// or PathPaymentOp to be added to the operation list for the provided transaction
func (m PaymentBuilder) MutateTransaction(o *TransactionBuilder) error {
	if m.Err != nil {
		return m.Err
	}

	if m.PathPayment {
		m.O.Body, m.Err = xdr.NewOperationBody(xdr.OperationTypePathPayment, m.PP)
		o.TX.Operations = append(o.TX.Operations, m.O)
		return m.Err
	}

	m.O.Body, m.Err = xdr.NewOperationBody(xdr.OperationTypePayment, m.P)
	o.TX.Operations = append(o.TX.Operations, m.O)
	return m.Err
}
Beispiel #3
0
// MutateTransaction for AllowTrustBuilder causes the underylying AllowTrustOp
// to be added to the operation list for the provided transaction
func (m AllowTrustBuilder) MutateTransaction(o *TransactionBuilder) error {
	if m.Err != nil {
		return m.Err
	}

	m.O.Body, m.Err = xdr.NewOperationBody(xdr.OperationTypeAllowTrust, m.AT)
	o.TX.Operations = append(o.TX.Operations, m.O)
	return m.Err
}
Beispiel #4
0
// MutateTransaction for AccountMergeBuilder causes the underylying Destination
// to be added to the operation list for the provided transaction
func (m AccountMergeBuilder) MutateTransaction(o *TransactionBuilder) error {
	if m.Err != nil {
		return m.Err
	}

	m.O.Body, m.Err = xdr.NewOperationBody(xdr.OperationTypeAccountMerge, m.Destination)
	o.TX.Operations = append(o.TX.Operations, m.O)
	return m.Err
}
Beispiel #5
0
// MutateTransaction for SetOptionsBuilder causes the underylying
// SetOptionsOp to be added to the operation list for the provided
// transaction
func (m SetOptionsBuilder) MutateTransaction(o *TransactionBuilder) error {
	if m.Err != nil {
		return m.Err
	}

	m.O.Body, m.Err = xdr.NewOperationBody(xdr.OperationTypeSetOptions, m.SO)
	o.TX.Operations = append(o.TX.Operations, m.O)
	return m.Err
}
Beispiel #6
0
// MutateTransaction for ManageDataBuilder causes the underylying
// ManageData to be added to the operation list for the provided
// transaction
func (m ManageDataBuilder) MutateTransaction(o *TransactionBuilder) error {
	if m.Err != nil {
		return m.Err
	}

	m.O.Body, m.Err = xdr.NewOperationBody(xdr.OperationTypeManageData, m.MD)
	o.TX.Operations = append(o.TX.Operations, m.O)
	return m.Err
}
Beispiel #7
0
// MutateTransaction for CreateAccountBuilder causes the underylying
// CreateAccountOp to be added to the operation list for the provided
// transaction
func (m CreateAccountBuilder) MutateTransaction(o *TransactionBuilder) error {
	if m.Err != nil {
		return m.Err
	}

	m.O.Body, m.Err = xdr.NewOperationBody(xdr.OperationTypeCreateAccount, m.CA)
	o.TX.Operations = append(o.TX.Operations, m.O)
	return m.Err
}
Beispiel #8
0
// ExampleLowLevelTransaction creates and signs a simple transaction, and then
// encodes it into a hex string capable of being submitted to stellar-core.
//
// It uses the low-level xdr facilities to create the transaction.
func ExampleLowLevelTransaction() {
	skp := keypair.MustParse("SA26PHIKZM6CXDGR472SSGUQQRYXM6S437ZNHZGRM6QA4FOPLLLFRGDX")
	dkp := keypair.MustParse("SBQHO2IMYKXAYJFCWGXC7YKLJD2EGDPSK3IUDHVJ6OOTTKLSCK6Z6POM")

	asset, err := xdr.NewAsset(xdr.AssetTypeAssetTypeNative, nil)
	if err != nil {
		panic(err)
	}

	var destination xdr.AccountId
	err = destination.SetAddress(dkp.Address())
	if err != nil {
		panic(err)
	}

	op := xdr.PaymentOp{
		Destination: destination,
		Asset:       asset,
		Amount:      50 * 10000000,
	}

	memo, err := xdr.NewMemo(xdr.MemoTypeMemoNone, nil)

	var source xdr.AccountId
	err = source.SetAddress(skp.Address())
	if err != nil {
		panic(err)
	}

	body, err := xdr.NewOperationBody(xdr.OperationTypePayment, op)
	if err != nil {
		panic(err)
	}

	tx := xdr.Transaction{
		SourceAccount: source,
		Fee:           10,
		SeqNum:        xdr.SequenceNumber(1),
		Memo:          memo,
		Operations: []xdr.Operation{
			{Body: body},
		},
	}

	var txBytes bytes.Buffer
	_, err = xdr.Marshal(&txBytes, tx)
	if err != nil {
		panic(err)
	}

	txHash := hash.Hash(txBytes.Bytes())
	signature, err := skp.Sign(txHash[:])
	if err != nil {
		panic(err)
	}

	ds := xdr.DecoratedSignature{
		Hint:      skp.Hint(),
		Signature: xdr.Signature(signature[:]),
	}

	txe := xdr.TransactionEnvelope{
		Tx:         tx,
		Signatures: []xdr.DecoratedSignature{ds},
	}

	var txeBytes bytes.Buffer
	_, err = xdr.Marshal(&txeBytes, txe)
	if err != nil {
		panic(err)
	}
	txeB64 := base64.StdEncoding.EncodeToString(txeBytes.Bytes())

	fmt.Printf("tx base64: %s", txeB64)
	// Output: tx base64: AAAAAAU08yUQ8sHqhY8j9mXWwERfHC/3cKFSe/spAr0rGtO2AAAACgAAAAAAAAABAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAA+fnTe7/v4whpBUx96oj92jfZPz7S00l3O2xeyeqWIA0AAAAAAAAAAB3NZQAAAAAAAAAAASsa07YAAABAieruUIGcQH6RlQ+prYflPFU3nED2NvWhtaC+tgnKsqgiKURK4xo/W7EgH0+I6aQok52awbE+ksOxEQ5MLJ9eAw==
}