func bundle(feeMeta, resultMeta string) (ret Bundle) {
err := xdr.SafeUnmarshalBase64(feeMeta, &ret.FeeMeta)
if err != nil {
panic(err)
}
err = xdr.SafeUnmarshalBase64(resultMeta, &ret.TransactionMeta)
if err != nil {
panic(err)
}
return
}
func main() {
in = bufio.NewReader(os.Stdin)
// read envelope
env, err := readLine("Enter envelope (base64): ", false)
if err != nil {
log.Fatal(err)
}
// parse the envelope
var txe xdr.TransactionEnvelope
err = xdr.SafeUnmarshalBase64(env, &txe)
if err != nil {
log.Fatal(err)
}
fmt.Println("")
fmt.Println("Transaction Summary:")
fmt.Printf(" source: %s\n", txe.Tx.SourceAccount.Address())
fmt.Printf(" ops: %d\n", len(txe.Tx.Operations))
fmt.Printf(" sigs: %d\n", len(txe.Signatures))
fmt.Println("")
// TODO: add operation details
// read seed
seed, err := readLine("Enter seed: ", true)
if err != nil {
log.Fatal(err)
}
// sign the transaction
b := &build.TransactionEnvelopeBuilder{E: &txe}
b.Init()
b.MutateTX(build.PublicNetwork)
b.Mutate(build.Sign{seed})
if b.Err != nil {
log.Fatal(b.Err)
}
newEnv, err := xdr.MarshalBase64(b.E)
if err != nil {
log.Fatal(err)
}
fmt.Print("\n==== Result ====\n\n")
fmt.Println(newEnv)
}
func TestHashTransaction(t *testing.T) {
var txe xdr.TransactionEnvelope
err := xdr.SafeUnmarshalBase64("AAAAAGL8HQvQkbK2HA3WVjRrKmjX00fG8sLI7m0ERwJW/AX3AAAACgAAAAAAAAABAAAAAAAAAAAAAAABAAAAAAAAAAAAAAAArqN6LeOagjxMaUP96Bzfs9e0corNZXzBWJkFoK7kvkwAAAAAO5rKAAAAAAAAAAABVvwF9wAAAEAKZ7IPj/46PuWU6ZOtyMosctNAkXRNX9WCAI5RnfRk+AyxDLoDZP/9l3NvsxQtWj9juQOuoBlFLnWu8intgxQA", &txe)
require.NoError(t, err)
expected := [32]byte{
0xc4, 0x92, 0xd8, 0x7c, 0x46, 0x42, 0x81, 0x5d,
0xfb, 0x3c, 0x7d, 0xcc, 0xe0, 0x1a, 0xf4, 0xef,
0xfd, 0x16, 0x2b, 0x03, 0x10, 0x64, 0x09, 0x8a,
0x0d, 0x78, 0x6b, 0x6e, 0x0a, 0x00, 0xfd, 0x74,
}
actual, err := HashTransaction(&txe.Tx, TestNetworkPassphrase)
if assert.NoError(t, err) {
assert.Equal(t, expected, actual)
}
}
// Envelope extracts the transaction envelope that triggered this error from the
// extra fields.
func (herr *Error) Envelope() (*xdr.TransactionEnvelope, error) {
raw, ok := herr.Problem.Extras["envelope_xdr"]
if !ok {
return nil, ErrEnvelopeNotPopulated
}
var b64 string
var result xdr.TransactionEnvelope
err := json.Unmarshal(raw, &b64)
if err != nil {
return nil, errors.Wrap(err, "json decode failed")
}
err = xdr.SafeUnmarshalBase64(b64, &result)
if err != nil {
return nil, errors.Wrap(err, "xdr decode failed")
}
return &result, nil
}