ipld-eth-server/pkg/super_node/btc/resolver.go

55 lines
1.8 KiB
Go

// 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 btc
import (
"fmt"
"github.com/vulcanize/vulcanizedb/pkg/super_node/shared"
"github.com/ipfs/go-block-format"
)
// IPLDResolver satisfies the IPLDResolver interface for bitcoin
type IPLDResolver struct{}
// NewIPLDResolver returns a pointer to an IPLDResolver which satisfies the IPLDResolver interface
func NewIPLDResolver() *IPLDResolver {
return &IPLDResolver{}
}
// Resolve is the exported method for resolving all of the BTC IPLDs packaged in an IpfsBlockWrapper
func (eir *IPLDResolver) Resolve(iplds shared.FetchedIPLDs) (shared.ServerResponse, error) {
ipfsBlocks, ok := iplds.(*IPLDWrapper)
if !ok {
return StreamResponse{}, fmt.Errorf("eth resolver expected iplds type %T got %T", &IPLDWrapper{}, iplds)
}
return StreamResponse{
BlockNumber: ipfsBlocks.BlockNumber,
SerializedHeaders: eir.resolve(ipfsBlocks.Headers),
SerializedTxs: eir.resolve(ipfsBlocks.Transactions),
}, nil
}
func (eir *IPLDResolver) resolve(iplds []blocks.Block) [][]byte {
rlps := make([][]byte, 0, len(iplds))
for _, ipld := range iplds {
rlps = append(rlps, ipld.RawData())
}
return rlps
}