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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/deposit_test.go
View file

@ -11,49 +11,44 @@ import (
func TestEncodeDecodeDeposit(t *testing.T) {
d := &Deposit{Amount: big.NewInt(100500), Till: 888}
depo := new(Deposit)
testserdes.EncodeDecodeBinary(t, d, depo)
item := stackitem.Make(42)
data, err := stackitem.Serialize(item)
require.NoError(t, err)
require.Error(t, testserdes.DecodeBinary(data, depo))
testserdes.ToFromStackItem(t, d, depo)
}
func TestDepositFromStackItem(t *testing.T) {
var d Deposit
item := stackitem.Make(42)
require.Error(t, d.fromStackItem(item))
require.Error(t, d.FromStackItem(item))
item = stackitem.NewStruct(nil)
require.Error(t, d.fromStackItem(item))
require.Error(t, d.FromStackItem(item))
item = stackitem.NewStruct([]stackitem.Item{
stackitem.NewStruct(nil),
stackitem.NewStruct(nil),
})
require.Error(t, d.fromStackItem(item))
require.Error(t, d.FromStackItem(item))
item = stackitem.NewStruct([]stackitem.Item{
stackitem.Make(777),
stackitem.NewStruct(nil),
})
require.Error(t, d.fromStackItem(item))
require.Error(t, d.FromStackItem(item))
item = stackitem.NewStruct([]stackitem.Item{
stackitem.Make(777),
stackitem.Make(-1),
})
require.Error(t, d.fromStackItem(item))
require.Error(t, d.FromStackItem(item))
item = stackitem.NewStruct([]stackitem.Item{
stackitem.Make(777),
stackitem.Make("somenonu64value"),
})
require.Error(t, d.fromStackItem(item))
require.Error(t, d.FromStackItem(item))
item = stackitem.NewStruct([]stackitem.Item{
stackitem.Make(777),
stackitem.Make(888),
})
require.NoError(t, d.fromStackItem(item))
require.NoError(t, d.FromStackItem(item))
}