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assets.go
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assets.go
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// Copyright (C) 2023 Gobalsky Labs Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package stubs
import (
"context"
"errors"
"code.vegaprotocol.io/vega/core/assets"
"code.vegaprotocol.io/vega/core/assets/common"
"code.vegaprotocol.io/vega/core/types"
"code.vegaprotocol.io/vega/libs/num"
)
type AssetStub struct {
registered map[string]*assets.Asset
permissive bool
defaultDP uint64
}
func NewAssetStub() *AssetStub {
return &AssetStub{
registered: map[string]*assets.Asset{},
permissive: true,
defaultDP: 0,
}
}
func (a *AssetStub) Get(id string) (*assets.Asset, error) {
r, ok := a.registered[id]
if ok {
// pre-registered, so simply return
return r, nil
}
if !a.permissive {
// we're in strict mode, unknown assets should result in errors
return nil, errors.New("unknown asset")
}
// permissive, we return the default decimal asset
stub := NewIsAssetStub(id, a.defaultDP, nil)
return stub, nil
}
func (a *AssetStub) Register(id string, decimals uint64, quantum *num.Decimal) {
a.registered[id] = NewIsAssetStub(id, decimals, quantum)
}
func (a *AssetStub) SetPermissive() {
a.permissive = true
}
func (a *AssetStub) SetStrict() {
a.permissive = false
}
func (AssetStub) Enable(_ context.Context, assetID string) error {
return nil
}
func (a *AssetStub) ApplyAssetUpdate(_ context.Context, assetID string) error {
return nil
}
type isAssetStub struct {
ID string
DecimalPlaces uint64
Status types.AssetStatus
Quantum *num.Decimal
}
func NewIsAssetStub(id string, dp uint64, quantum *num.Decimal) *assets.Asset {
return assets.NewAsset(&isAssetStub{
ID: id,
DecimalPlaces: dp,
Status: types.AssetStatusProposed,
Quantum: quantum,
})
}
func (a isAssetStub) Type() *types.Asset {
quantum := num.DecimalFromFloat(5000)
if a.Quantum != nil {
if a.Quantum.IsZero() {
quantum = num.DecimalOne()
} else {
quantum = *a.Quantum
}
}
return &types.Asset{
ID: a.ID,
Details: &types.AssetDetails{
Decimals: a.DecimalPlaces,
Quantum: quantum,
},
}
}
func (a *isAssetStub) SetPendingListing() {
a.Status = types.AssetStatusPendingListing
}
func (a *isAssetStub) SetRejected() {
a.Status = types.AssetStatusRejected
}
func (a *isAssetStub) SetEnabled() {
a.Status = types.AssetStatusEnabled
}
func (isAssetStub) GetAssetClass() common.AssetClass {
return common.Builtin
}
func (isAssetStub) IsValid() bool {
return true
}
func (isAssetStub) Validate() error {
return nil
}
func (isAssetStub) SetValid() {}
func (a isAssetStub) String() string {
return a.ID
}