/
asset.go
106 lines (92 loc) · 2.42 KB
/
asset.go
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// Copyright (c) 2022 Gobalsky Labs Limited
//
// Use of this software is governed by the Business Source License included
// in the LICENSE.DATANODE file and at https://www.mariadb.com/bsl11.
//
// Change Date: 18 months from the later of the date of the first publicly
// available Distribution of this version of the repository, and 25 June 2022.
//
// On the date above, in accordance with the Business Source License, use
// of this software will be governed by version 3 or later of the GNU General
// Public License.
package entities
import (
"encoding/json"
"fmt"
"time"
v2 "github.com/zeta-protocol/zeta/protos/data-node/api/v2"
pb "github.com/zeta-protocol/zeta/protos/zeta"
"github.com/shopspring/decimal"
)
type _Asset struct{}
type AssetID = ID[_Asset]
type Asset struct {
ID AssetID
Name string
Symbol string
Decimals int
Quantum decimal.Decimal
Source string
ERC20Contract string
TxHash TxHash
ZetaTime time.Time
LifetimeLimit decimal.Decimal
WithdrawThreshold decimal.Decimal
Status AssetStatus
}
func (a Asset) ToProto() *pb.Asset {
pbAsset := &pb.Asset{
Id: a.ID.String(),
Details: &pb.AssetDetails{
Name: a.Name,
Symbol: a.Symbol,
Decimals: uint64(a.Decimals),
Quantum: a.Quantum.String(),
},
Status: pb.Asset_Status(a.Status),
}
if a.Source != "" {
pbAsset.Details.Source = &pb.AssetDetails_BuiltinAsset{
BuiltinAsset: &pb.BuiltinAsset{
MaxFaucetAmountMint: a.Source,
},
}
} else if a.ERC20Contract != "" {
pbAsset.Details.Source = &pb.AssetDetails_Erc20{
Erc20: &pb.ERC20{
ContractAddress: a.ERC20Contract,
LifetimeLimit: a.LifetimeLimit.String(),
WithdrawThreshold: a.WithdrawThreshold.String(),
},
}
}
return pbAsset
}
func (a Asset) Cursor() *Cursor {
ac := AssetCursor{
ID: a.ID,
}
return NewCursor(ac.String())
}
func (a Asset) ToProtoEdge(_ ...any) (*v2.AssetEdge, error) {
return &v2.AssetEdge{
Node: a.ToProto(),
Cursor: a.Cursor().Encode(),
}, nil
}
type AssetCursor struct {
ID AssetID `json:"id"`
}
func (ac AssetCursor) String() string {
bs, err := json.Marshal(ac)
if err != nil {
panic(fmt.Errorf("couldn't marshal asset cursor: %w", err))
}
return string(bs)
}
func (ac *AssetCursor) Parse(cursorString string) error {
if cursorString == "" {
return nil
}
return json.Unmarshal([]byte(cursorString), ac)
}