forked from cerc-io/ipld-eth-server
300 lines
10 KiB
Go
300 lines
10 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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"errors"
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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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"time"
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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/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"
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"github.com/jmoiron/sqlx"
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"github.com/spf13/viper"
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"github.com/vulcanize/ipld-eth-server/v3/pkg/prom"
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ethServerShared "github.com/vulcanize/ipld-eth-server/v3/pkg/shared"
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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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ETH_FORWARD_ETH_CALLS = "ETH_FORWARD_ETH_CALLS"
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ETH_FORWARD_GET_STORAGE_AT = "ETH_FORWARD_GET_STORAGE_AT"
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ETH_PROXY_ON_ERROR = "ETH_PROXY_ON_ERROR"
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VALIDATOR_ENABLED = "VALIDATOR_ENABLED"
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VALIDATOR_EVERY_NTH_BLOCK = "VALIDATOR_EVERY_NTH_BLOCK"
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)
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// Config struct
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type Config struct {
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DB *sqlx.DB
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DBConfig postgres.Config
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WSEnabled bool
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WSEndpoint string
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HTTPEnabled bool
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HTTPEndpoint string
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IPCEnabled bool
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IPCEndpoint string
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EthGraphqlEnabled bool
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EthGraphqlEndpoint string
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IpldGraphqlEnabled bool
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IpldGraphqlEndpoint string
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IpldPostgraphileEndpoint string
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TracingHttpEndpoint string
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TracingPostgraphileEndpoint 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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EthHttpEndpoint string
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Client *rpc.Client
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SupportStateDiff bool
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ForwardEthCalls bool
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ForwardGetStorageAt bool
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ProxyOnError bool
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NodeNetworkID string
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// Cache configuration.
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GroupCache *ethServerShared.GroupCacheConfig
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StateValidationEnabled bool
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StateValidationEveryNthBlock uint64
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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("ethereum.httpPath", 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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viper.BindEnv("ethereum.forwardEthCalls", ETH_FORWARD_ETH_CALLS)
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viper.BindEnv("ethereum.forwardGetStorageAt", ETH_FORWARD_GET_STORAGE_AT)
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viper.BindEnv("ethereum.proxyOnError", ETH_PROXY_ON_ERROR)
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c.dbInit()
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ethHTTP := viper.GetString("ethereum.httpPath")
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ethHTTPEndpoint := fmt.Sprintf("http://%s", ethHTTP)
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nodeInfo, cli, err := getEthNodeAndClient(ethHTTPEndpoint)
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c.NodeNetworkID = nodeInfo.NetworkID
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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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c.ForwardEthCalls = viper.GetBool("ethereum.forwardEthCalls")
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c.ForwardGetStorageAt = viper.GetBool("ethereum.forwardGetStorageAt")
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c.ProxyOnError = viper.GetBool("ethereum.proxyOnError")
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c.EthHttpEndpoint = ethHTTPEndpoint
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// websocket server
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wsEnabled := viper.GetBool("eth.server.ws")
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if wsEnabled {
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wsPath := viper.GetString("eth.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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}
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c.WSEnabled = wsEnabled
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// ipc server
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ipcEnabled := viper.GetBool("eth.server.ipc")
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if ipcEnabled {
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ipcPath := viper.GetString("eth.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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}
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c.IPCEnabled = ipcEnabled
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// http server
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httpEnabled := viper.GetBool("eth.server.http")
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if httpEnabled {
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httpPath := viper.GetString("eth.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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}
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c.HTTPEnabled = httpEnabled
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// eth graphql endpoint
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ethGraphqlEnabled := viper.GetBool("eth.server.graphql")
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if ethGraphqlEnabled {
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ethGraphqlPath := viper.GetString("eth.server.graphqlPath")
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if ethGraphqlPath == "" {
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ethGraphqlPath = "127.0.0.1:8082"
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}
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c.EthGraphqlEndpoint = ethGraphqlPath
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}
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c.EthGraphqlEnabled = ethGraphqlEnabled
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// ipld graphql endpoint
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ipldGraphqlEnabled := viper.GetBool("ipld.server.graphql")
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if ipldGraphqlEnabled {
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ipldGraphqlPath := viper.GetString("ipld.server.graphqlPath")
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if ipldGraphqlPath == "" {
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ipldGraphqlPath = "127.0.0.1:8083"
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}
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c.IpldGraphqlEndpoint = ipldGraphqlPath
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ipldPostgraphilePath := viper.GetString("ipld.postgraphilePath")
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if ipldPostgraphilePath == "" {
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return nil, errors.New("ipld-postgraphile-path parameter is empty")
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}
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c.IpldPostgraphileEndpoint = ipldPostgraphilePath
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tracingHttpEndpoint := viper.GetString("tracing.httpPath")
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tracingPostgraphilePath := viper.GetString("tracing.postgraphilePath")
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// these two parameters either can be both empty or both set
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if (tracingHttpEndpoint == "" && tracingPostgraphilePath != "") || (tracingHttpEndpoint != "" && tracingPostgraphilePath == "") {
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return nil, errors.New("tracing.httpPath and tracing.postgraphilePath parameters either can be both empty or both set")
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}
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c.TracingHttpEndpoint = tracingHttpEndpoint
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c.TracingPostgraphileEndpoint = tracingPostgraphilePath
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}
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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 {
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return nil, err
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}
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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")
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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 = statediff.LoadConfig(chainConfigPath)
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} else {
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c.ChainConfig, err = statediff.ChainConfig(nodeInfo.ChainID)
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}
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c.loadGroupCacheConfig()
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c.loadValidatorConfig()
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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.MaxConns = viper.GetInt("database.server.maxOpen")
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con.MaxConnLifetime = time.Duration(viper.GetInt("database.server.maxLifetime"))
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}
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func (c *Config) dbInit() {
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viper.BindEnv("database.name", DATABASE_NAME)
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viper.BindEnv("database.hostname", DATABASE_HOSTNAME)
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viper.BindEnv("database.port", DATABASE_PORT)
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viper.BindEnv("database.user", DATABASE_USER)
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viper.BindEnv("database.password", DATABASE_PASSWORD)
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viper.BindEnv("database.maxIdle", DATABASE_MAX_IDLE_CONNECTIONS)
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viper.BindEnv("database.maxOpen", DATABASE_MAX_OPEN_CONNECTIONS)
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viper.BindEnv("database.maxLifetime", DATABASE_MAX_CONN_LIFETIME)
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c.DBConfig.DatabaseName = viper.GetString("database.name")
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c.DBConfig.Hostname = viper.GetString("database.hostname")
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c.DBConfig.Port = viper.GetInt("database.port")
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c.DBConfig.Username = viper.GetString("database.user")
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c.DBConfig.Password = viper.GetString("database.password")
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c.DBConfig.MaxIdle = viper.GetInt("database.maxIdle")
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c.DBConfig.MaxConns = viper.GetInt("database.maxOpen")
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c.DBConfig.MaxConnLifetime = time.Duration(viper.GetInt("database.maxLifetime"))
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}
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func (c *Config) loadGroupCacheConfig() {
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viper.BindEnv("groupcache.pool.enabled", ethServerShared.GcachePoolEnabled)
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viper.BindEnv("groupcache.pool.httpEndpoint", ethServerShared.GcachePoolHttpPath)
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viper.BindEnv("groupcache.pool.peerHttpEndpoints", ethServerShared.GcachePoolHttpPeers)
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viper.BindEnv("groupcache.statedb.cacheSizeInMB", ethServerShared.GcacheStatedbCacheSize)
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viper.BindEnv("groupcache.statedb.cacheExpiryInMins", ethServerShared.GcacheStatedbCacheExpiry)
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viper.BindEnv("groupcache.statedb.logStatsIntervalInSecs", ethServerShared.GcacheStatedbLogStatsInterval)
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gcc := ethServerShared.GroupCacheConfig{}
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gcc.Pool.Enabled = viper.GetBool("groupcache.pool.enabled")
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if gcc.Pool.Enabled {
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gcc.Pool.HttpEndpoint = viper.GetString("groupcache.pool.httpEndpoint")
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gcc.Pool.PeerHttpEndpoints = viper.GetStringSlice("groupcache.pool.peerHttpEndpoints")
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}
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// Irrespective of whether the pool is enabled, we always use the hot/local cache.
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gcc.StateDB.CacheSizeInMB = viper.GetInt("groupcache.statedb.cacheSizeInMB")
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gcc.StateDB.CacheExpiryInMins = viper.GetInt("groupcache.statedb.cacheExpiryInMins")
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gcc.StateDB.LogStatsIntervalInSecs = viper.GetInt("groupcache.statedb.logStatsIntervalInSecs")
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c.GroupCache = &gcc
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}
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func (c *Config) loadValidatorConfig() {
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viper.BindEnv("validator.enabled", VALIDATOR_ENABLED)
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viper.BindEnv("validator.everyNthBlock", VALIDATOR_EVERY_NTH_BLOCK)
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c.StateValidationEnabled = viper.GetBool("validator.enabled")
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c.StateValidationEveryNthBlock = viper.GetUint64("validator.everyNthBlock")
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}
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