ipld-eth-server/pkg/watch/config.go
2020-06-29 16:56:25 -05:00

270 lines
8.6 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 watcher
import (
"fmt"
"os"
"path/filepath"
"time"
"github.com/spf13/viper"
"github.com/vulcanize/ipfs-blockchain-watcher/pkg/config"
"github.com/vulcanize/ipfs-blockchain-watcher/pkg/core"
"github.com/vulcanize/ipfs-blockchain-watcher/pkg/postgres"
"github.com/vulcanize/ipfs-blockchain-watcher/pkg/shared"
"github.com/vulcanize/ipfs-blockchain-watcher/utils"
)
// Env variables
const (
SUPERNODE_CHAIN = "SUPERNODE_CHAIN"
SUPERNODE_SYNC = "SUPERNODE_SYNC"
SUPERNODE_WORKERS = "SUPERNODE_WORKERS"
SUPERNODE_SERVER = "SUPERNODE_SERVER"
SUPERNODE_WS_PATH = "SUPERNODE_WS_PATH"
SUPERNODE_IPC_PATH = "SUPERNODE_IPC_PATH"
SUPERNODE_HTTP_PATH = "SUPERNODE_HTTP_PATH"
SUPERNODE_BACKFILL = "SUPERNODE_BACKFILL"
SUPERNODE_FREQUENCY = "SUPERNODE_FREQUENCY"
SUPERNODE_BATCH_SIZE = "SUPERNODE_BATCH_SIZE"
SUPERNODE_BATCH_NUMBER = "SUPERNODE_BATCH_NUMBER"
SUPERNODE_VALIDATION_LEVEL = "SUPERNODE_VALIDATION_LEVEL"
SYNC_MAX_IDLE_CONNECTIONS = "SYNC_MAX_IDLE_CONNECTIONS"
SYNC_MAX_OPEN_CONNECTIONS = "SYNC_MAX_OPEN_CONNECTIONS"
SYNC_MAX_CONN_LIFETIME = "SYNC_MAX_CONN_LIFETIME"
BACKFILL_MAX_IDLE_CONNECTIONS = "BACKFILL_MAX_IDLE_CONNECTIONS"
BACKFILL_MAX_OPEN_CONNECTIONS = "BACKFILL_MAX_OPEN_CONNECTIONS"
BACKFILL_MAX_CONN_LIFETIME = "BACKFILL_MAX_CONN_LIFETIME"
SERVER_MAX_IDLE_CONNECTIONS = "SERVER_MAX_IDLE_CONNECTIONS"
SERVER_MAX_OPEN_CONNECTIONS = "SERVER_MAX_OPEN_CONNECTIONS"
SERVER_MAX_CONN_LIFETIME = "SERVER_MAX_CONN_LIFETIME"
)
// Config struct
type Config struct {
// Ubiquitous fields
Chain shared.ChainType
IPFSPath string
IPFSMode shared.IPFSMode
DBConfig config.Database
// Server fields
Serve bool
ServeDBConn *postgres.DB
WSEndpoint string
HTTPEndpoint string
IPCEndpoint string
// Sync params
Sync bool
SyncDBConn *postgres.DB
Workers int
WSClient interface{}
NodeInfo core.Node
// Backfiller params
BackFill bool
BackFillDBConn *postgres.DB
HTTPClient interface{}
Frequency time.Duration
BatchSize uint64
BatchNumber uint64
ValidationLevel int
Timeout time.Duration // HTTP connection timeout in seconds
}
// NewSuperNodeConfig is used to initialize a SuperNode config from a .toml file
// Separate chain supernode instances need to be ran with separate ipfs path in order to avoid lock contention on the ipfs repository lockfile
func NewSuperNodeConfig() (*Config, error) {
c := new(Config)
var err error
viper.BindEnv("superNode.chain", SUPERNODE_CHAIN)
viper.BindEnv("superNode.sync", SUPERNODE_SYNC)
viper.BindEnv("superNode.workers", SUPERNODE_WORKERS)
viper.BindEnv("ethereum.wsPath", shared.ETH_WS_PATH)
viper.BindEnv("bitcoin.wsPath", shared.BTC_WS_PATH)
viper.BindEnv("superNode.server", SUPERNODE_SERVER)
viper.BindEnv("superNode.wsPath", SUPERNODE_WS_PATH)
viper.BindEnv("superNode.ipcPath", SUPERNODE_IPC_PATH)
viper.BindEnv("superNode.httpPath", SUPERNODE_HTTP_PATH)
viper.BindEnv("superNode.backFill", SUPERNODE_BACKFILL)
chain := viper.GetString("superNode.chain")
c.Chain, err = shared.NewChainType(chain)
if err != nil {
return nil, err
}
c.IPFSMode, err = shared.GetIPFSMode()
if err != nil {
return nil, err
}
if c.IPFSMode == shared.LocalInterface || c.IPFSMode == shared.RemoteClient {
c.IPFSPath, err = shared.GetIPFSPath()
if err != nil {
return nil, err
}
}
c.DBConfig.Init()
c.Sync = viper.GetBool("superNode.sync")
if c.Sync {
workers := viper.GetInt("superNode.workers")
if workers < 1 {
workers = 1
}
c.Workers = workers
switch c.Chain {
case shared.Ethereum:
ethWS := viper.GetString("ethereum.wsPath")
c.NodeInfo, c.WSClient, err = shared.GetEthNodeAndClient(fmt.Sprintf("ws://%s", ethWS))
if err != nil {
return nil, err
}
case shared.Bitcoin:
btcWS := viper.GetString("bitcoin.wsPath")
c.NodeInfo, c.WSClient = shared.GetBtcNodeAndClient(btcWS)
}
syncDBConn := overrideDBConnConfig(c.DBConfig, Sync)
syncDB := utils.LoadPostgres(syncDBConn, c.NodeInfo)
c.SyncDBConn = &syncDB
}
c.Serve = viper.GetBool("superNode.server")
if c.Serve {
wsPath := viper.GetString("superNode.wsPath")
if wsPath == "" {
wsPath = "127.0.0.1:8080"
}
c.WSEndpoint = wsPath
ipcPath := viper.GetString("superNode.ipcPath")
if ipcPath == "" {
home, err := os.UserHomeDir()
if err != nil {
return nil, err
}
ipcPath = filepath.Join(home, ".vulcanize/vulcanize.ipc")
}
c.IPCEndpoint = ipcPath
httpPath := viper.GetString("superNode.httpPath")
if httpPath == "" {
httpPath = "127.0.0.1:8081"
}
c.HTTPEndpoint = httpPath
serveDBConn := overrideDBConnConfig(c.DBConfig, Serve)
serveDB := utils.LoadPostgres(serveDBConn, c.NodeInfo)
c.ServeDBConn = &serveDB
}
c.BackFill = viper.GetBool("superNode.backFill")
if c.BackFill {
if err := c.BackFillFields(); err != nil {
return nil, err
}
}
return c, nil
}
// BackFillFields is used to fill in the BackFill fields of the config
func (c *Config) BackFillFields() error {
var err error
viper.BindEnv("ethereum.httpPath", shared.ETH_HTTP_PATH)
viper.BindEnv("bitcoin.httpPath", shared.BTC_HTTP_PATH)
viper.BindEnv("superNode.frequency", SUPERNODE_FREQUENCY)
viper.BindEnv("superNode.batchSize", SUPERNODE_BATCH_SIZE)
viper.BindEnv("superNode.batchNumber", SUPERNODE_BATCH_NUMBER)
viper.BindEnv("superNode.validationLevel", SUPERNODE_VALIDATION_LEVEL)
viper.BindEnv("superNode.timeout", shared.HTTP_TIMEOUT)
timeout := viper.GetInt("superNode.timeout")
if timeout < 15 {
timeout = 15
}
c.Timeout = time.Second * time.Duration(timeout)
switch c.Chain {
case shared.Ethereum:
ethHTTP := viper.GetString("ethereum.httpPath")
c.NodeInfo, c.HTTPClient, err = shared.GetEthNodeAndClient(fmt.Sprintf("http://%s", ethHTTP))
if err != nil {
return err
}
case shared.Bitcoin:
btcHTTP := viper.GetString("bitcoin.httpPath")
c.NodeInfo, c.HTTPClient = shared.GetBtcNodeAndClient(btcHTTP)
}
freq := viper.GetInt("superNode.frequency")
var frequency time.Duration
if freq <= 0 {
frequency = time.Second * 30
} else {
frequency = time.Second * time.Duration(freq)
}
c.Frequency = frequency
c.BatchSize = uint64(viper.GetInt64("superNode.batchSize"))
c.BatchNumber = uint64(viper.GetInt64("superNode.batchNumber"))
c.ValidationLevel = viper.GetInt("superNode.validationLevel")
backFillDBConn := overrideDBConnConfig(c.DBConfig, BackFill)
backFillDB := utils.LoadPostgres(backFillDBConn, c.NodeInfo)
c.BackFillDBConn = &backFillDB
return nil
}
type mode string
var (
Sync mode = "sync"
BackFill mode = "backFill"
Serve mode = "serve"
)
func overrideDBConnConfig(con config.Database, m mode) config.Database {
switch m {
case Sync:
viper.BindEnv("database.sync.maxIdle", SYNC_MAX_IDLE_CONNECTIONS)
viper.BindEnv("database.sync.maxOpen", SYNC_MAX_OPEN_CONNECTIONS)
viper.BindEnv("database.sync.maxLifetime", SYNC_MAX_CONN_LIFETIME)
con.MaxIdle = viper.GetInt("database.sync.maxIdle")
con.MaxOpen = viper.GetInt("database.sync.maxOpen")
con.MaxLifetime = viper.GetInt("database.sync.maxLifetime")
case BackFill:
viper.BindEnv("database.backFill.maxIdle", BACKFILL_MAX_IDLE_CONNECTIONS)
viper.BindEnv("database.backFill.maxOpen", BACKFILL_MAX_OPEN_CONNECTIONS)
viper.BindEnv("database.backFill.maxLifetime", BACKFILL_MAX_CONN_LIFETIME)
con.MaxIdle = viper.GetInt("database.backFill.maxIdle")
con.MaxOpen = viper.GetInt("database.backFill.maxOpen")
con.MaxLifetime = viper.GetInt("database.backFill.maxLifetime")
case Serve:
viper.BindEnv("database.server.maxIdle", SERVER_MAX_IDLE_CONNECTIONS)
viper.BindEnv("database.server.maxOpen", SERVER_MAX_OPEN_CONNECTIONS)
viper.BindEnv("database.server.maxLifetime", SERVER_MAX_CONN_LIFETIME)
con.MaxIdle = viper.GetInt("database.server.maxIdle")
con.MaxOpen = viper.GetInt("database.server.maxOpen")
con.MaxLifetime = viper.GetInt("database.server.maxLifetime")
default:
}
return con
}