/
list_data.go
204 lines (172 loc) · 6.61 KB
/
list_data.go
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// Copyright [2021] - [2022], AssetMantle Pte. Ltd. and the code contributors
// SPDX-License-Identifier: Apache-2.0
package base
import (
"bytes"
"fmt"
"github.com/AssetMantle/schema/go/data"
dataConstants "github.com/AssetMantle/schema/go/data/constants"
"github.com/AssetMantle/schema/go/data/utilities"
"github.com/AssetMantle/schema/go/ids"
baseIDs "github.com/AssetMantle/schema/go/ids/base"
sdkTypes "github.com/cosmos/cosmos-sdk/types"
"sort"
"strings"
)
var _ data.ListData = (*ListData)(nil)
func (listData *ListData) ValidateBasic() error {
if len(listData.Get()) > dataConstants.MaxListLength {
return fmt.Errorf("list length %d exceeds max length %d", len(listData.Get()), dataConstants.MaxListLength)
}
return listData.ValidateWithoutLengthCheck()
}
func (listData *ListData) ValidateWithoutLengthCheck() error {
if len(listData.Get()) > 0 {
expectedTypeID := listData.Get()[0].GetTypeID()
for _, anyListableData := range listData.Value {
if err := anyListableData.ValidateBasic(); err != nil {
return fmt.Errorf("invalid data in list %s: %s", anyListableData.AsString(), err)
}
if anyListableData.GetTypeID().Compare(expectedTypeID) != 0 {
return fmt.Errorf("data type %s does not conform to expected type %s for list", anyListableData.GetTypeID().AsString(), expectedTypeID.AsString())
}
}
}
return nil
}
func (listData *ListData) Get() []data.AnyListableData {
anyListableData := make([]data.AnyListableData, len(listData.Value))
for i, anyListableDataList := range listData.Value {
anyListableData[i] = anyListableDataList
}
return anyListableData
}
func (listData *ListData) GetBondWeight() sdkTypes.Int {
return dataConstants.ListDataWeight
}
func (listData *ListData) AsString() string {
sortedListData := NewListData(anyListableDataToListableData(listData.Get()...)...).(*ListData)
dataStrings := make([]string, len(sortedListData.Value))
for i, anyListableData := range sortedListData.Value {
dataStrings[i] = anyListableData.ToAnyData().AsString()
}
return utilities.JoinListDataStrings(dataStrings...)
}
func (listData *ListData) FromString(dataString string) (data.Data, error) {
dataString = strings.TrimSpace(dataString)
if dataString == "" {
return PrototypeListData(), nil
}
dataStringList := utilities.SplitListDataString(dataString)
dataList := make([]data.ListableData, len(dataStringList))
var expectedTypeID ids.StringID
for i, datumString := range dataStringList {
if datum, err := PrototypeAnyData().FromString(datumString); err != nil {
return PrototypeListData(), err
} else if listableData, ok := datum.ToAnyData().Get().(data.ListableData); !ok {
return PrototypeListData(), fmt.Errorf("data type %s cannot be put into a list", datum.GetTypeID().AsString())
} else {
dataList[i] = listableData
}
if i == 0 {
expectedTypeID = dataList[i].GetTypeID()
} else if dataList[i].GetTypeID().Compare(expectedTypeID) != 0 {
return PrototypeListData(), fmt.Errorf("data type %s does not conform to expected type %s for list", dataList[i].GetTypeID().AsString(), expectedTypeID.AsString())
}
}
return NewListData(dataList...), nil
}
func (listData *ListData) Search(data data.ListableData) (int, bool) {
sortedListData := NewListData(anyListableDataToListableData(listData.Get()...)...).(*ListData)
index := sort.Search(
len(sortedListData.Value),
func(i int) bool {
return sortedListData.Value[i].Compare(data) >= 0
},
)
if index < len(sortedListData.Value) && sortedListData.Value[index].Compare(data) == 0 {
return index, true
}
return index, false
}
func (listData *ListData) Add(listableData ...data.ListableData) data.ListData {
updatedListData := NewListData(anyListableDataToListableData(listData.Get()...)...).(*ListData)
for _, datum := range listableData {
// ignore datum of different type
if len(updatedListData.Value) != 0 && datum.GetTypeID().Compare(updatedListData.Value[0].GetTypeID()) != 0 {
continue
}
if index, found := updatedListData.Search(datum); !found {
updatedListData.Value = append(updatedListData.Value, datum.ToAnyListableData().(*AnyListableData))
copy(updatedListData.Value[index+1:], updatedListData.Value[index:])
updatedListData.Value[index] = datum.ToAnyListableData().(*AnyListableData)
}
}
return updatedListData
}
func (listData *ListData) Remove(data ...data.ListableData) data.ListData {
updatedListData := NewListData(anyListableDataToListableData(listData.Get()...)...).(*ListData)
for _, listable := range data {
if index, found := updatedListData.Search(listable); found {
updatedListData.Value = append(updatedListData.Value[:index], updatedListData.Value[index+1:]...)
}
}
return updatedListData
}
func (listData *ListData) GetID() ids.DataID {
return baseIDs.GenerateDataID(listData)
}
func (listData *ListData) Bytes() []byte {
sortedListData := NewListData(anyListableDataToListableData(listData.Get()...)...).(*ListData)
bytesList := make([][]byte, len(sortedListData.Value))
for i, anyListableData := range sortedListData.Value {
if anyListableData != nil {
bytesList[i] = anyListableData.Bytes()
}
}
return bytes.Join(bytesList, dataConstants.ListBytesSeparator)
}
func (listData *ListData) GetTypeID() ids.StringID {
return dataConstants.ListDataTypeID
}
func (listData *ListData) ZeroValue() data.Data {
return NewListData([]data.ListableData{}...)
}
func (listData *ListData) GenerateHashID() ids.HashID {
if len(listData.Value) == 0 {
return baseIDs.GenerateHashID()
}
return baseIDs.GenerateHashID(listData.Bytes())
}
func (listData *ListData) ToAnyData() data.AnyData {
return &AnyData{
Impl: &AnyData_ListData{
ListData: listData,
},
}
}
func listableDataToAnyListableData(listableData ...data.ListableData) []*AnyListableData {
anyListableData := make([]*AnyListableData, len(listableData))
for i, listableDatum := range listableData {
anyListableData[i] = listableDatum.ToAnyListableData().(*AnyListableData)
}
return anyListableData
}
func anyListableDataToListableData(anyListableData ...data.AnyListableData) []data.ListableData {
listableData := make([]data.ListableData, len(anyListableData))
for i, anyListableDatum := range anyListableData {
listableData[i] = anyListableDatum.Get().(data.ListableData)
}
return listableData
}
func PrototypeListData() data.ListData {
return (&ListData{}).ZeroValue().(data.ListData)
}
// NewListData
// * onus of ensuring all data are of the same type is on DataList
func NewListData(listableData ...data.ListableData) data.ListData {
sort.Slice(listableData, func(i, j int) bool {
return listableData[i].Compare(listableData[j]) < 0
})
return &ListData{listableDataToAnyListableData(listableData...)}
}