ipld-eth-server/pkg/serve/config.go

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// 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/>.
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package serve
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import (
"errors"
"fmt"
"math/big"
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"os"
"path/filepath"
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"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/ethereum/go-ethereum/statediff"
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"github.com/ethereum/go-ethereum/statediff/indexer/database/sql/postgres"
"github.com/jmoiron/sqlx"
"github.com/spf13/viper"
"github.com/cerc-io/ipld-eth-server/v4/pkg/prom"
ethServerShared "github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
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)
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// Env variables
const (
SERVER_WS_PATH = "SERVER_WS_PATH"
SERVER_IPC_PATH = "SERVER_IPC_PATH"
SERVER_HTTP_PATH = "SERVER_HTTP_PATH"
SERVER_MAX_IDLE_CONNECTIONS = "SERVER_MAX_IDLE_CONNECTIONS"
SERVER_MAX_OPEN_CONNECTIONS = "SERVER_MAX_OPEN_CONNECTIONS"
SERVER_MAX_CONN_LIFETIME = "SERVER_MAX_CONN_LIFETIME"
ETH_DEFAULT_SENDER_ADDR = "ETH_DEFAULT_SENDER_ADDR"
ETH_RPC_GAS_CAP = "ETH_RPC_GAS_CAP"
ETH_CHAIN_CONFIG = "ETH_CHAIN_CONFIG"
ETH_SUPPORTS_STATEDIFF = "ETH_SUPPORTS_STATEDIFF"
ETH_FORWARD_ETH_CALLS = "ETH_FORWARD_ETH_CALLS"
ETH_PROXY_ON_ERROR = "ETH_PROXY_ON_ERROR"
VALIDATOR_ENABLED = "VALIDATOR_ENABLED"
VALIDATOR_EVERY_NTH_BLOCK = "VALIDATOR_EVERY_NTH_BLOCK"
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)
// Config struct
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type Config struct {
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DB *sqlx.DB
DBConfig postgres.Config
WSEnabled bool
WSEndpoint string
HTTPEnabled bool
HTTPEndpoint string
IPCEnabled bool
IPCEndpoint string
EthGraphqlEnabled bool
EthGraphqlEndpoint string
IpldGraphqlEnabled bool
IpldGraphqlEndpoint string
IpldPostgraphileEndpoint string
TracingHttpEndpoint string
TracingPostgraphileEndpoint string
ChainConfig *params.ChainConfig
DefaultSender *common.Address
RPCGasCap *big.Int
EthHttpEndpoint string
Client *rpc.Client
SupportStateDiff bool
ForwardEthCalls bool
ProxyOnError bool
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NodeNetworkID string
// Cache configuration.
GroupCache *ethServerShared.GroupCacheConfig
StateValidationEnabled bool
StateValidationEveryNthBlock uint64
}
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// NewConfig is used to initialize a watcher config from a .toml file
// Separate chain watcher instances need to be ran with separate ipfs path in order to avoid lock contention on the ipfs repository lockfile
func NewConfig() (*Config, error) {
c := new(Config)
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viper.BindEnv("ethereum.httpPath", ETH_HTTP_PATH)
viper.BindEnv("ethereum.defaultSender", ETH_DEFAULT_SENDER_ADDR)
viper.BindEnv("ethereum.rpcGasCap", ETH_RPC_GAS_CAP)
viper.BindEnv("ethereum.chainConfig", ETH_CHAIN_CONFIG)
viper.BindEnv("ethereum.supportsStateDiff", ETH_SUPPORTS_STATEDIFF)
viper.BindEnv("ethereum.forwardEthCalls", ETH_FORWARD_ETH_CALLS)
viper.BindEnv("ethereum.proxyOnError", ETH_PROXY_ON_ERROR)
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c.dbInit()
ethHTTP := viper.GetString("ethereum.httpPath")
ethHTTPEndpoint := fmt.Sprintf("http://%s", ethHTTP)
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nodeInfo, cli, err := getEthNodeAndClient(ethHTTPEndpoint)
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c.NodeNetworkID = nodeInfo.NetworkID
if err != nil {
return nil, err
}
c.Client = cli
c.SupportStateDiff = viper.GetBool("ethereum.supportsStateDiff")
c.ForwardEthCalls = viper.GetBool("ethereum.forwardEthCalls")
c.ProxyOnError = viper.GetBool("ethereum.proxyOnError")
c.EthHttpEndpoint = ethHTTPEndpoint
// websocket server
wsEnabled := viper.GetBool("eth.server.ws")
if wsEnabled {
wsPath := viper.GetString("eth.server.wsPath")
if wsPath == "" {
wsPath = "127.0.0.1:8080"
}
c.WSEndpoint = wsPath
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}
c.WSEnabled = wsEnabled
// ipc server
ipcEnabled := viper.GetBool("eth.server.ipc")
if ipcEnabled {
ipcPath := viper.GetString("eth.server.ipcPath")
if ipcPath == "" {
home, err := os.UserHomeDir()
if err != nil {
return nil, err
}
ipcPath = filepath.Join(home, ".vulcanize/vulcanize.ipc")
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}
c.IPCEndpoint = ipcPath
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}
c.IPCEnabled = ipcEnabled
// http server
httpEnabled := viper.GetBool("eth.server.http")
if httpEnabled {
httpPath := viper.GetString("eth.server.httpPath")
if httpPath == "" {
httpPath = "127.0.0.1:8081"
}
c.HTTPEndpoint = httpPath
}
c.HTTPEnabled = httpEnabled
// eth graphql endpoint
ethGraphqlEnabled := viper.GetBool("eth.server.graphql")
if ethGraphqlEnabled {
ethGraphqlPath := viper.GetString("eth.server.graphqlPath")
if ethGraphqlPath == "" {
ethGraphqlPath = "127.0.0.1:8082"
}
c.EthGraphqlEndpoint = ethGraphqlPath
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}
c.EthGraphqlEnabled = ethGraphqlEnabled
// ipld graphql endpoint
ipldGraphqlEnabled := viper.GetBool("ipld.server.graphql")
if ipldGraphqlEnabled {
ipldGraphqlPath := viper.GetString("ipld.server.graphqlPath")
if ipldGraphqlPath == "" {
ipldGraphqlPath = "127.0.0.1:8083"
}
c.IpldGraphqlEndpoint = ipldGraphqlPath
ipldPostgraphilePath := viper.GetString("ipld.postgraphilePath")
if ipldPostgraphilePath == "" {
return nil, errors.New("ipld-postgraphile-path parameter is empty")
}
c.IpldPostgraphileEndpoint = ipldPostgraphilePath
tracingHttpEndpoint := viper.GetString("tracing.httpPath")
tracingPostgraphilePath := viper.GetString("tracing.postgraphilePath")
// these two parameters either can be both empty or both set
if (tracingHttpEndpoint == "" && tracingPostgraphilePath != "") || (tracingHttpEndpoint != "" && tracingPostgraphilePath == "") {
return nil, errors.New("tracing.httpPath and tracing.postgraphilePath parameters either can be both empty or both set")
}
c.TracingHttpEndpoint = tracingHttpEndpoint
c.TracingPostgraphileEndpoint = tracingPostgraphilePath
}
c.IpldGraphqlEnabled = ipldGraphqlEnabled
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overrideDBConnConfig(&c.DBConfig)
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serveDB, err := ethServerShared.NewDB(c.DBConfig.DbConnectionString(), c.DBConfig)
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if err != nil {
return nil, err
}
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prom.RegisterDBCollector(c.DBConfig.DatabaseName, serveDB)
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c.DB = serveDB
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defaultSenderStr := viper.GetString("ethereum.defaultSender")
if defaultSenderStr != "" {
sender := common.HexToAddress(defaultSenderStr)
c.DefaultSender = &sender
}
rpcGasCapStr := viper.GetString("ethereum.rpcGasCap")
if rpcGasCapStr != "" {
if rpcGasCap, ok := new(big.Int).SetString(rpcGasCapStr, 10); ok {
c.RPCGasCap = rpcGasCap
}
} else {
c.RPCGasCap = big.NewInt(0)
}
chainConfigPath := viper.GetString("ethereum.chainConfig")
if chainConfigPath != "" {
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c.ChainConfig, err = statediff.LoadConfig(chainConfigPath)
} else {
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c.ChainConfig, err = statediff.ChainConfig(nodeInfo.ChainID)
}
c.loadGroupCacheConfig()
c.loadValidatorConfig()
return c, err
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}
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func overrideDBConnConfig(con *postgres.Config) {
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)
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con.MaxIdle = viper.GetInt("database.server.maxIdle")
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con.MaxConns = viper.GetInt("database.server.maxOpen")
con.MaxConnLifetime = time.Duration(viper.GetInt("database.server.maxLifetime"))
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}
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func (c *Config) dbInit() {
viper.BindEnv("database.name", DATABASE_NAME)
viper.BindEnv("database.hostname", DATABASE_HOSTNAME)
viper.BindEnv("database.port", DATABASE_PORT)
viper.BindEnv("database.user", DATABASE_USER)
viper.BindEnv("database.password", DATABASE_PASSWORD)
viper.BindEnv("database.maxIdle", DATABASE_MAX_IDLE_CONNECTIONS)
viper.BindEnv("database.maxOpen", DATABASE_MAX_OPEN_CONNECTIONS)
viper.BindEnv("database.maxLifetime", DATABASE_MAX_CONN_LIFETIME)
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c.DBConfig.DatabaseName = viper.GetString("database.name")
c.DBConfig.Hostname = viper.GetString("database.hostname")
c.DBConfig.Port = viper.GetInt("database.port")
c.DBConfig.Username = viper.GetString("database.user")
c.DBConfig.Password = viper.GetString("database.password")
c.DBConfig.MaxIdle = viper.GetInt("database.maxIdle")
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c.DBConfig.MaxConns = viper.GetInt("database.maxOpen")
c.DBConfig.MaxConnLifetime = time.Duration(viper.GetInt("database.maxLifetime"))
}
func (c *Config) loadGroupCacheConfig() {
viper.BindEnv("groupcache.pool.enabled", ethServerShared.GcachePoolEnabled)
viper.BindEnv("groupcache.pool.httpEndpoint", ethServerShared.GcachePoolHttpPath)
viper.BindEnv("groupcache.pool.peerHttpEndpoints", ethServerShared.GcachePoolHttpPeers)
viper.BindEnv("groupcache.statedb.cacheSizeInMB", ethServerShared.GcacheStatedbCacheSize)
viper.BindEnv("groupcache.statedb.cacheExpiryInMins", ethServerShared.GcacheStatedbCacheExpiry)
viper.BindEnv("groupcache.statedb.logStatsIntervalInSecs", ethServerShared.GcacheStatedbLogStatsInterval)
gcc := ethServerShared.GroupCacheConfig{}
gcc.Pool.Enabled = viper.GetBool("groupcache.pool.enabled")
if gcc.Pool.Enabled {
gcc.Pool.HttpEndpoint = viper.GetString("groupcache.pool.httpEndpoint")
gcc.Pool.PeerHttpEndpoints = viper.GetStringSlice("groupcache.pool.peerHttpEndpoints")
}
// Irrespective of whether the pool is enabled, we always use the hot/local cache.
gcc.StateDB.CacheSizeInMB = viper.GetInt("groupcache.statedb.cacheSizeInMB")
gcc.StateDB.CacheExpiryInMins = viper.GetInt("groupcache.statedb.cacheExpiryInMins")
gcc.StateDB.LogStatsIntervalInSecs = viper.GetInt("groupcache.statedb.logStatsIntervalInSecs")
c.GroupCache = &gcc
}
func (c *Config) loadValidatorConfig() {
viper.BindEnv("validator.enabled", VALIDATOR_ENABLED)
viper.BindEnv("validator.everyNthBlock", VALIDATOR_EVERY_NTH_BLOCK)
c.StateValidationEnabled = viper.GetBool("validator.enabled")
c.StateValidationEveryNthBlock = viper.GetUint64("validator.everyNthBlock")
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}