145 lines
4.6 KiB
Go
145 lines
4.6 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 serve
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import (
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"fmt"
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"math/big"
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"os"
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"path/filepath"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/vulcanize/ipld-eth-indexer/pkg/shared"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/params"
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"github.com/spf13/viper"
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"github.com/vulcanize/ipld-eth-indexer/pkg/postgres"
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"github.com/vulcanize/ipld-eth-indexer/utils"
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"github.com/vulcanize/ipld-eth-server/pkg/prom"
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"github.com/vulcanize/ipld-eth-server/pkg/eth"
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)
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// Env variables
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const (
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SERVER_WS_PATH = "SERVER_WS_PATH"
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SERVER_IPC_PATH = "SERVER_IPC_PATH"
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SERVER_HTTP_PATH = "SERVER_HTTP_PATH"
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SERVER_MAX_IDLE_CONNECTIONS = "SERVER_MAX_IDLE_CONNECTIONS"
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SERVER_MAX_OPEN_CONNECTIONS = "SERVER_MAX_OPEN_CONNECTIONS"
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SERVER_MAX_CONN_LIFETIME = "SERVER_MAX_CONN_LIFETIME"
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ETH_DEFAULT_SENDER_ADDR = "ETH_DEFAULT_SENDER_ADDR"
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ETH_RPC_GAS_CAP = "ETH_RPC_GAS_CAP"
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ETH_CHAIN_CONFIG = "ETH_CHAIN_CONFIG"
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ETH_SUPPORTS_STATEDIFF = "ETH_SUPPORTS_STATEDIFF"
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)
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// Config struct
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type Config struct {
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DB *postgres.DB
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DBConfig postgres.Config
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WSEndpoint string
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HTTPEndpoint string
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IPCEndpoint string
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ChainConfig *params.ChainConfig
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DefaultSender *common.Address
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RPCGasCap *big.Int
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Client *rpc.Client
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SupportStateDiff bool
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}
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// NewConfig is used to initialize a watcher config from a .toml file
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// Separate chain watcher instances need to be ran with separate ipfs path in order to avoid lock contention on the ipfs repository lockfile
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func NewConfig() (*Config, error) {
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c := new(Config)
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viper.BindEnv("server.wsPath", SERVER_WS_PATH)
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viper.BindEnv("server.ipcPath", SERVER_IPC_PATH)
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viper.BindEnv("server.httpPath", SERVER_HTTP_PATH)
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viper.BindEnv("ethereum.httpPath", shared.ETH_HTTP_PATH)
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viper.BindEnv("ethereum.defaultSender", ETH_DEFAULT_SENDER_ADDR)
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viper.BindEnv("ethereum.rpcGasCap", ETH_RPC_GAS_CAP)
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viper.BindEnv("ethereum.chainConfig", ETH_CHAIN_CONFIG)
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viper.BindEnv("ethereum.supportsStateDiff", ETH_SUPPORTS_STATEDIFF)
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c.DBConfig.Init()
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ethHTTP := viper.GetString("ethereum.httpPath")
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nodeInfo, cli, err := shared.GetEthNodeAndClient(fmt.Sprintf("http://%s", ethHTTP))
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if err != nil {
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return nil, err
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}
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c.Client = cli
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c.SupportStateDiff = viper.GetBool("ethereum.supportsStateDiff")
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wsPath := viper.GetString("server.wsPath")
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if wsPath == "" {
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wsPath = "127.0.0.1:8080"
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}
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c.WSEndpoint = wsPath
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ipcPath := viper.GetString("server.ipcPath")
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if ipcPath == "" {
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home, err := os.UserHomeDir()
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if err != nil {
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return nil, err
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}
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ipcPath = filepath.Join(home, ".vulcanize/vulcanize.ipc")
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}
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c.IPCEndpoint = ipcPath
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httpPath := viper.GetString("server.httpPath")
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if httpPath == "" {
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httpPath = "127.0.0.1:8081"
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}
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c.HTTPEndpoint = httpPath
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overrideDBConnConfig(&c.DBConfig)
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serveDB := utils.LoadPostgres(c.DBConfig, nodeInfo, false)
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prom.RegisterDBCollector(c.DBConfig.Name, serveDB.DB)
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c.DB = &serveDB
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defaultSenderStr := viper.GetString("ethereum.defaultSender")
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if defaultSenderStr != "" {
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sender := common.HexToAddress(defaultSenderStr)
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c.DefaultSender = &sender
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}
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rpcGasCapStr := viper.GetString("ethereum.rpcGasCap")
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if rpcGasCapStr != "" {
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if rpcGasCap, ok := new(big.Int).SetString(rpcGasCapStr, 10); ok {
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c.RPCGasCap = rpcGasCap
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}
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}
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chainConfigPath := viper.GetString("ethereum.chainConfig")
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if chainConfigPath != "" {
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c.ChainConfig, err = eth.LoadConfig(chainConfigPath)
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} else {
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c.ChainConfig, err = eth.ChainConfig(nodeInfo.ChainID)
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}
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return c, err
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}
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func overrideDBConnConfig(con *postgres.Config) {
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viper.BindEnv("database.server.maxIdle", SERVER_MAX_IDLE_CONNECTIONS)
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viper.BindEnv("database.server.maxOpen", SERVER_MAX_OPEN_CONNECTIONS)
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viper.BindEnv("database.server.maxLifetime", SERVER_MAX_CONN_LIFETIME)
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con.MaxIdle = viper.GetInt("database.server.maxIdle")
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con.MaxOpen = viper.GetInt("database.server.maxOpen")
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con.MaxLifetime = viper.GetInt("database.server.maxLifetime")
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}
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