ipld-eth-server/pkg/ipfs/dag_putters/btc_header.go

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// VulcanizeDB
// Copyright © 2019 Vulcanize
// 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 dag_putters
import (
"fmt"
"github.com/btcsuite/btcd/wire"
"github.com/vulcanize/vulcanizedb/pkg/ipfs"
"github.com/vulcanize/vulcanizedb/pkg/ipfs/ipld"
)
type BtcHeaderDagPutter struct {
adder *ipfs.IPFS
}
func NewBtcHeaderDagPutter(adder *ipfs.IPFS) *BtcHeaderDagPutter {
return &BtcHeaderDagPutter{adder: adder}
}
func (bhdp *BtcHeaderDagPutter) DagPut(raw interface{}) ([]string, error) {
header, ok := raw.(*wire.BlockHeader)
if !ok {
return nil, fmt.Errorf("BtcHeaderDagPutter expected input type %T got %T", &wire.BlockHeader{}, raw)
}
node, err := ipld.NewBtcHeader(header)
if err != nil {
return nil, err
}
if err := bhdp.adder.Add(node); err != nil {
return nil, err
}
return []string{node.Cid().String()}, nil
}