156 lines
5.3 KiB
Go
156 lines
5.3 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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"github.com/vulcanize/vulcanizedb/pkg/super_node/shared"
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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/core"
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"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
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"github.com/vulcanize/vulcanizedb/pkg/super_node/config"
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"github.com/vulcanize/vulcanizedb/pkg/super_node/eth"
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)
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// NewResponseFilterer constructs a ResponseFilterer for the provided chain type
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func NewResponseFilterer(chain config.ChainType) (shared.ResponseFilterer, error) {
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switch chain {
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case config.Ethereum:
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return eth.NewResponseFilterer(), nil
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default:
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return nil, fmt.Errorf("invalid chain %T for filterer constructor", chain)
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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 config.ChainType, db *postgres.DB) (shared.CIDIndexer, error) {
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switch chain {
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case config.Ethereum:
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return eth.NewCIDIndexer(db), nil
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default:
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return nil, fmt.Errorf("invalid chain %T for indexer constructor", chain)
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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 config.ChainType, db *postgres.DB) (shared.CIDRetriever, error) {
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switch chain {
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case config.Ethereum:
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return eth.NewCIDRetriever(db), nil
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default:
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return nil, fmt.Errorf("invalid chain %T for retriever constructor", chain)
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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 config.ChainType, client interface{}) (shared.PayloadStreamer, chan interface{}, error) {
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switch chain {
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case config.Ethereum:
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ethClient, ok := client.(core.RPCClient)
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if !ok {
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var expectedClientType core.RPCClient
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return nil, nil, fmt.Errorf("ethereum payload constructor expected client type %T got %T", expectedClientType, client)
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}
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streamChan := make(chan interface{}, eth.PayloadChanBufferSize)
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return eth.NewPayloadStreamer(ethClient), streamChan, nil
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default:
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return nil, nil, fmt.Errorf("invalid chain %T for streamer constructor", chain)
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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 config.ChainType, client interface{}) (shared.PayloadFetcher, error) {
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switch chain {
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case config.Ethereum:
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batchClient, ok := client.(eth.BatchClient)
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if !ok {
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var expectedClient eth.BatchClient
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return nil, fmt.Errorf("ethereum fetcher constructor expected client type %T got %T", expectedClient, client)
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}
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return eth.NewPayloadFetcher(batchClient), nil
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default:
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return nil, fmt.Errorf("invalid chain %T for fetcher constructor", chain)
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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 config.ChainType, settings interface{}) (shared.PayloadConverter, error) {
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switch chain {
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case config.Ethereum:
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ethConfig, ok := settings.(*params.ChainConfig)
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if !ok {
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return nil, fmt.Errorf("ethereum converter constructor expected config type %T got %T", ¶ms.ChainConfig{}, settings)
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}
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return eth.NewPayloadConverter(ethConfig), nil
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default:
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return nil, fmt.Errorf("invalid chain %T for converter constructor", chain)
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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 config.ChainType, ipfsPath string) (shared.IPLDFetcher, error) {
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switch chain {
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case config.Ethereum:
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return eth.NewIPLDFetcher(ipfsPath)
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default:
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return nil, fmt.Errorf("invalid chain %T for fetcher constructor", chain)
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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 config.ChainType, ipfsPath string) (shared.IPLDPublisher, error) {
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switch chain {
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case config.Ethereum:
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return eth.NewIPLDPublisher(ipfsPath)
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default:
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return nil, fmt.Errorf("invalid chain %T for publisher constructor", chain)
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}
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}
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// NewIPLDResolver constructs an IPLDResolver for the provided chain type
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func NewIPLDResolver(chain config.ChainType) (shared.IPLDResolver, error) {
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switch chain {
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case config.Ethereum:
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return eth.NewIPLDResolver(), nil
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default:
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return nil, fmt.Errorf("invalid chain %T for resolver constructor", chain)
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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 config.ChainType, db *postgres.DB, ipfsPath string) (rpc.API, error) {
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switch chain {
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case config.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 %T for public api constructor", chain)
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}
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}
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