ipld-eth-server/pkg/config/plugin.go
Ian Norden 03a7379617 work on porting storage watcher; watcher type is defined for
transformers in the config, storage transformers are exported from
plugin like event transformers
2019-02-24 21:38:47 -06:00

110 lines
2.7 KiB
Go

// VulcanizeDB
// Copyright © 2018 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 config
import (
"errors"
"fmt"
"path/filepath"
"strings"
"github.com/vulcanize/vulcanizedb/pkg/plugin/helpers"
)
type Plugin struct {
Initializers map[string]string // Map of import aliases to transformer initializer paths
Dependencies map[string]string // Map of vendor dep names to their repositories
Migrations map[string]string // Map of vendor dep names to relative path from repository to db migrations
Types map[string]PluginType // Map of import aliases to their transformer initializer type (e.g. eth-event vs eth-storage)
FilePath string
FileName string
Save bool
}
func (c *Plugin) GetPluginPaths() (string, string, error) {
path, err := helpers.CleanPath(c.FilePath)
if err != nil {
return "", "", err
}
name := strings.Split(c.FileName, ".")[0]
goFile := filepath.Join(path, name+".go")
soFile := filepath.Join(path, name+".so")
return goFile, soFile, nil
}
func (c *Plugin) GetMigrationsPaths() ([]string, error) {
paths := make([]string, 0, len(c.Migrations))
for key, relPath := range c.Migrations {
repo, ok := c.Dependencies[key]
if !ok {
return nil, errors.New(fmt.Sprintf("migration %s with path %s missing repository", key, relPath))
}
path := filepath.Join("$GOPATH/src/github.com/vulcanize/vulcanizedb/vendor", repo, relPath)
cleanPath, err := helpers.CleanPath(path)
if err != nil {
return nil, err
}
paths = append(paths, cleanPath)
}
return paths, nil
}
type PluginType int
const (
UnknownTransformerType PluginType = iota + 1
EthEvent
EthStorage
IpfsEvent
IpfsStorage
)
func (pt PluginType) String() string {
names := [...]string{
"eth_event",
"eth_storage",
"ipfs_event",
"ipfs_storage",
}
if pt > IpfsStorage || pt < EthEvent {
return "Unknown"
}
return names[pt]
}
func GetPluginType(str string) PluginType {
types := [...]PluginType{
EthEvent,
EthStorage,
IpfsEvent,
IpfsStorage,
}
for _, ty := range types {
if ty.String() == str && ty.String() != "Unknown" {
return ty
}
}
return UnknownTransformerType
}