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sale.go
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sale.go
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// Go Substrate RPC Client (GSRPC) provides APIs and types around Polkadot and any Substrate-based chain RPC calls
//
// Copyright 2019 Centrifuge GmbH
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package types
import (
"errors"
"github.com/dcnetio/go-substrate-rpc-client/v4/scale"
)
type Tranche struct {
FirstVal U64
SecondVal [16]U8
}
func (t *Tranche) Decode(decoder scale.Decoder) error {
if err := decoder.Decode(&t.FirstVal); err != nil {
return err
}
return decoder.Decode(&t.SecondVal)
}
func (t Tranche) Encode(encoder scale.Encoder) error {
if err := encoder.Encode(t.FirstVal); err != nil {
return err
}
return encoder.Encode(t.SecondVal)
}
type PermissionedCurrency struct {
// At the moment of writing this, this enum is empty in altair.
}
func (p *PermissionedCurrency) Decode(_ scale.Decoder) error {
return nil
}
func (p *PermissionedCurrency) Encode(_ scale.Encoder) error {
return nil
}
type StakingCurrency struct {
IsBlockRewards bool
}
func (s *StakingCurrency) Decode(decoder scale.Decoder) error {
b, err := decoder.ReadOneByte()
if err != nil {
return err
}
switch b {
case 0:
s.IsBlockRewards = true
return nil
default:
return errors.New("unsupported staking currency")
}
}
func (s StakingCurrency) Encode(encoder scale.Encoder) error {
switch {
case s.IsBlockRewards:
return encoder.PushByte(0)
default:
return errors.New("unsupported staking currency")
}
}
type CurrencyID struct {
IsNative bool
IsTranche bool
Tranche Tranche
IsKSM bool
IsAUSD bool
IsForeignAsset bool
AsForeignAsset U32
IsStaking bool
AsStaking StakingCurrency
}
func (c *CurrencyID) Decode(decoder scale.Decoder) error {
b, err := decoder.ReadOneByte()
if err != nil {
return err
}
switch b {
case 0:
c.IsNative = true
return nil
case 1:
c.IsTranche = true
return decoder.Decode(&c.Tranche)
case 2:
c.IsKSM = true
return nil
case 3:
c.IsAUSD = true
return nil
case 4:
c.IsForeignAsset = true
return decoder.Decode(&c.AsForeignAsset)
case 5:
c.IsStaking = true
return decoder.Decode(&c.AsStaking)
default:
return errors.New("unsupported currency ID")
}
}
func (c CurrencyID) Encode(encoder scale.Encoder) error {
switch {
case c.IsNative:
return encoder.PushByte(0)
case c.IsTranche:
if err := encoder.PushByte(1); err != nil {
return err
}
return encoder.Encode(c.Tranche)
case c.IsKSM:
return encoder.PushByte(2)
case c.IsAUSD:
return encoder.PushByte(3)
case c.IsForeignAsset:
if err := encoder.PushByte(4); err != nil {
return err
}
return encoder.Encode(c.AsForeignAsset)
case c.IsStaking:
if err := encoder.PushByte(5); err != nil {
return err
}
return encoder.Encode(c.AsStaking)
default:
return errors.New("unsupported currency ID")
}
}
type Price struct {
CurrencyID CurrencyID
Amount U128
}
func (p *Price) Decode(decoder scale.Decoder) error {
if err := decoder.Decode(&p.CurrencyID); err != nil {
return err
}
return decoder.Decode(&p.Amount)
}
func (p Price) Encode(encoder scale.Encoder) error {
if err := encoder.Encode(p.CurrencyID); err != nil {
return err
}
return encoder.Encode(p.Amount)
}
type Sale struct {
Seller AccountID
Price Price
}
func (s *Sale) Decode(decoder scale.Decoder) error {
if err := decoder.Decode(&s.Seller); err != nil {
return err
}
return decoder.Decode(&s.Price)
}
func (s Sale) Encode(encoder scale.Encoder) error {
if err := encoder.Encode(s.Seller); err != nil {
return err
}
return encoder.Encode(s.Price)
}