178 lines
6.3 KiB
Go
178 lines
6.3 KiB
Go
// VulcanizeDB
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// Copyright © 2019 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package super_node
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import (
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"fmt"
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"time"
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"github.com/btcsuite/btcd/chaincfg"
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"github.com/btcsuite/btcd/rpcclient"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/vulcanize/vulcanizedb/pkg/postgres"
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"github.com/vulcanize/vulcanizedb/pkg/super_node/btc"
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"github.com/vulcanize/vulcanizedb/pkg/super_node/eth"
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"github.com/vulcanize/vulcanizedb/pkg/super_node/shared"
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)
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// NewResponseFilterer constructs a ResponseFilterer for the provided chain type
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func NewResponseFilterer(chain shared.ChainType) (shared.ResponseFilterer, error) {
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switch chain {
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case shared.Ethereum:
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return eth.NewResponseFilterer(), nil
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case shared.Bitcoin:
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return btc.NewResponseFilterer(), nil
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default:
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return nil, fmt.Errorf("invalid chain %s for filterer constructor", chain.String())
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}
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}
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// NewCIDIndexer constructs a CIDIndexer for the provided chain type
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func NewCIDIndexer(chain shared.ChainType, db *postgres.DB) (shared.CIDIndexer, error) {
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switch chain {
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case shared.Ethereum:
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return eth.NewCIDIndexer(db), nil
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case shared.Bitcoin:
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return btc.NewCIDIndexer(db), nil
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default:
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return nil, fmt.Errorf("invalid chain %s for indexer constructor", chain.String())
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}
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}
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// NewCIDRetriever constructs a CIDRetriever for the provided chain type
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func NewCIDRetriever(chain shared.ChainType, db *postgres.DB) (shared.CIDRetriever, error) {
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switch chain {
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case shared.Ethereum:
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return eth.NewCIDRetriever(db), nil
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case shared.Bitcoin:
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return btc.NewCIDRetriever(db), nil
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default:
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return nil, fmt.Errorf("invalid chain %s for retriever constructor", chain.String())
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}
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}
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// NewPayloadStreamer constructs a PayloadStreamer for the provided chain type
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func NewPayloadStreamer(chain shared.ChainType, clientOrConfig interface{}) (shared.PayloadStreamer, chan shared.RawChainData, error) {
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switch chain {
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case shared.Ethereum:
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ethClient, ok := clientOrConfig.(*rpc.Client)
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if !ok {
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return nil, nil, fmt.Errorf("ethereum payload streamer constructor expected client type %T got %T", &rpc.Client{}, clientOrConfig)
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}
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streamChan := make(chan shared.RawChainData, eth.PayloadChanBufferSize)
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return eth.NewPayloadStreamer(ethClient), streamChan, nil
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case shared.Bitcoin:
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btcClientConn, ok := clientOrConfig.(*rpcclient.ConnConfig)
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if !ok {
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return nil, nil, fmt.Errorf("bitcoin payload streamer constructor expected client config type %T got %T", rpcclient.ConnConfig{}, clientOrConfig)
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}
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streamChan := make(chan shared.RawChainData, btc.PayloadChanBufferSize)
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return btc.NewHTTPPayloadStreamer(btcClientConn), streamChan, nil
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default:
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return nil, nil, fmt.Errorf("invalid chain %s for streamer constructor", chain.String())
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}
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}
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// NewPaylaodFetcher constructs a PayloadFetcher for the provided chain type
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func NewPaylaodFetcher(chain shared.ChainType, client interface{}, timeout time.Duration) (shared.PayloadFetcher, error) {
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switch chain {
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case shared.Ethereum:
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batchClient, ok := client.(*rpc.Client)
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if !ok {
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return nil, fmt.Errorf("ethereum payload fetcher constructor expected client type %T got %T", &rpc.Client{}, client)
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}
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return eth.NewPayloadFetcher(batchClient, timeout), nil
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case shared.Bitcoin:
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connConfig, ok := client.(*rpcclient.ConnConfig)
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if !ok {
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return nil, fmt.Errorf("bitcoin payload fetcher constructor expected client type %T got %T", &rpcclient.Client{}, client)
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}
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return btc.NewPayloadFetcher(connConfig)
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default:
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return nil, fmt.Errorf("invalid chain %s for payload fetcher constructor", chain.String())
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}
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}
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// NewPayloadConverter constructs a PayloadConverter for the provided chain type
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func NewPayloadConverter(chain shared.ChainType) (shared.PayloadConverter, error) {
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switch chain {
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case shared.Ethereum:
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return eth.NewPayloadConverter(params.MainnetChainConfig), nil
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case shared.Bitcoin:
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return btc.NewPayloadConverter(&chaincfg.MainNetParams), nil
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default:
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return nil, fmt.Errorf("invalid chain %s for converter constructor", chain.String())
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}
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}
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// NewIPLDFetcher constructs an IPLDFetcher for the provided chain type
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func NewIPLDFetcher(chain shared.ChainType, ipfsPath string) (shared.IPLDFetcher, error) {
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switch chain {
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case shared.Ethereum:
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return eth.NewIPLDFetcher(ipfsPath)
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case shared.Bitcoin:
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return btc.NewIPLDFetcher(ipfsPath)
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default:
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return nil, fmt.Errorf("invalid chain %s for IPLD fetcher constructor", chain.String())
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}
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}
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// NewIPLDPublisher constructs an IPLDPublisher for the provided chain type
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func NewIPLDPublisher(chain shared.ChainType, ipfsPath string) (shared.IPLDPublisher, error) {
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switch chain {
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case shared.Ethereum:
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return eth.NewIPLDPublisher(ipfsPath)
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case shared.Bitcoin:
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return btc.NewIPLDPublisher(ipfsPath)
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default:
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return nil, fmt.Errorf("invalid chain %s for publisher constructor", chain.String())
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}
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}
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// NewPublicAPI constructs a PublicAPI for the provided chain type
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func NewPublicAPI(chain shared.ChainType, db *postgres.DB, ipfsPath string) (rpc.API, error) {
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switch chain {
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case shared.Ethereum:
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backend, err := eth.NewEthBackend(db, ipfsPath)
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if err != nil {
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return rpc.API{}, err
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}
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return rpc.API{
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Namespace: eth.APIName,
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Version: eth.APIVersion,
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Service: eth.NewPublicEthAPI(backend),
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Public: true,
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}, nil
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default:
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return rpc.API{}, fmt.Errorf("invalid chain %s for public api constructor", chain.String())
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}
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}
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// NewCleaner constructs a Cleaner for the provided chain type
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func NewCleaner(chain shared.ChainType, db *postgres.DB) (shared.Cleaner, error) {
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switch chain {
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case shared.Ethereum:
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return eth.NewCleaner(db), nil
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case shared.Bitcoin:
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return btc.NewCleaner(db), nil
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default:
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return nil, fmt.Errorf("invalid chain %s for cleaner constructor", chain.String())
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}
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}
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