TrueCloudLab/neoneo-go
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stackitem: introduce Convertible interface

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We have a lot of native contract types that are converted to stack items
before serialization, then deserialized as stack items and converted back to
regular structures. stackitem.Convertible allows to remove a lot of repetitive
io.Serializable code.

This also introduces to/from converter in testserdes which unfortunately
required to change util tests to avoid circular references.
This commit is contained in:
Roman Khimov 2021-07-17 18:37:33 +03:00
parent 2d993d0da5
commit aab18c3083
23 changed files with 223 additions and 339 deletions
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21
pkg/core/state/oracle_test.go
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@ -6,12 +6,11 @@ import (
"github.com/nspcc-dev/neo-go/internal/random"
"github.com/nspcc-dev/neo-go/internal/testserdes"
"github.com/nspcc-dev/neo-go/pkg/io"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
"github.com/stretchr/testify/require"
)
func TestOracleRequest_EncodeBinary(t *testing.T) {
func TestOracleRequestToFromSI(t *testing.T) {
t.Run("Valid", func(t *testing.T) {
r := &OracleRequest{
OriginalTxID: random.Uint256(),
@ -21,25 +20,19 @@ func TestOracleRequest_EncodeBinary(t *testing.T) {
CallbackMethod: "method",
UserData: []byte{1, 2, 3},
}
testserdes.EncodeDecodeBinary(t, r, new(OracleRequest))
testserdes.ToFromStackItem(t, r, new(OracleRequest))
t.Run("WithFilter", func(t *testing.T) {
s := "filter"
r.Filter = &s
testserdes.EncodeDecodeBinary(t, r, new(OracleRequest))
testserdes.ToFromStackItem(t, r, new(OracleRequest))
})
})
t.Run("Invalid", func(t *testing.T) {
w := io.NewBufBinWriter()
var res = new(OracleRequest)
t.Run("NotArray", func(t *testing.T) {
w.Reset()
it := stackitem.NewByteArray([]byte{})
stackitem.EncodeBinary(it, w.BinWriter)
require.Error(t, testserdes.DecodeBinary(w.Bytes(), new(OracleRequest)))
})
t.Run("NotStackItem", func(t *testing.T) {
w.Reset()
require.Error(t, testserdes.DecodeBinary([]byte{0x77}, new(OracleRequest)))
require.Error(t, res.FromStackItem(it))
})
items := []stackitem.Item{
@ -54,12 +47,10 @@ func TestOracleRequest_EncodeBinary(t *testing.T) {
arrItem := stackitem.NewArray(items)
runInvalid := func(i int, elem stackitem.Item) func(t *testing.T) {
return func(t *testing.T) {
w.Reset()
before := items[i]
items[i] = elem
stackitem.EncodeBinary(arrItem, w.BinWriter)
require.Error(t, res.FromStackItem(arrItem))
items[i] = before
require.Error(t, testserdes.DecodeBinary(w.Bytes(), new(OracleRequest)))
}
}
t.Run("TxID", func(t *testing.T) {