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builtin.go
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builtin.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 spec
import (
"context"
"fmt"
"strconv"
"time"
"code.vegaprotocol.io/vega/core/datasource/common"
"code.vegaprotocol.io/vega/logging"
)
const (
BuiltinPrefix = "vegaprotocol.builtin"
BuiltinTimestamp = BuiltinPrefix + ".timestamp"
BuiltinTimeTrigger = BuiltinPrefix + ".timetrigger"
)
type Builtin struct {
log *logging.Logger
engine *Engine
}
func NewBuiltin(engine *Engine, ts TimeService) *Builtin {
builtinOracle := &Builtin{
log: logging.NewProdLogger(),
engine: engine,
}
return builtinOracle
}
func (b *Builtin) OnTick(ctx context.Context, t time.Time) {
data := common.Data{
Signers: nil,
Data: map[string]string{
BuiltinTimestamp: fmt.Sprintf("%d", t.Unix()),
BuiltinTimeTrigger: fmt.Sprintf("%d", t.Unix()),
},
MetaData: map[string]string{
"vega-time": strconv.FormatInt(t.Unix(), 10),
},
}
if err := b.engine.BroadcastData(ctx, data); err != nil {
b.log.Error("Could not broadcast timestamp from built-in oracle", logging.Error(err))
}
}