builder.go

package core

import (
	"context"
	"crypto/rand"
	"encoding/base64"
	"errors"
	"os"
	"syscall"
	"time"

	filestore "github.com/ipfs/go-ipfs/filestore"
	namesys "github.com/ipfs/go-ipfs/namesys"
	pin "github.com/ipfs/go-ipfs/pin"
	repo "github.com/ipfs/go-ipfs/repo"
	cidv0v1 "github.com/ipfs/go-ipfs/thirdparty/cidv0v1"
	"github.com/ipfs/go-ipfs/thirdparty/verifbs"

	ci "gx/ipfs/QmNiJiXwWE3kRhZrC5ej3kSjWHm337pYfhjLGSCDNKJP2s/go-libp2p-crypto"
	pstore "gx/ipfs/QmPiemjiKBC9VA7vZF82m4x1oygtg2c2YVqag8PX7dN1BD/go-libp2p-peerstore"
	pstoremem "gx/ipfs/QmPiemjiKBC9VA7vZF82m4x1oygtg2c2YVqag8PX7dN1BD/go-libp2p-peerstore/pstoremem"
	uio "gx/ipfs/QmQ1JnYpnzkaurjW1yxkQxC2w3K1PorNE1nv1vaP5Le7sq/go-unixfs/io"
	bstore "gx/ipfs/QmS2aqUZLJp8kF1ihE5rvDGE5LvmKDPnx32w9Z1BW9xLV5/go-ipfs-blockstore"
	goprocessctx "gx/ipfs/QmSF8fPo3jgVBAy8fpdjjYqgG87dkJgUprRBHRd2tmfgpP/goprocess/context"
	bserv "gx/ipfs/QmVKQHuzni68SWByzJgBUCwHvvr4TWiXfutNWWwpZpp4rE/go-blockservice"
	offroute "gx/ipfs/QmVZ6cQXHoTQja4oo9GhhHZi7dThi4x98mRKgGtKnTy37u/go-ipfs-routing/offline"
	ipns "gx/ipfs/QmWPFehHmySCdaGttQ48iwF7M6mBRrGE5GSPWKCuMWqJDR/go-ipns"
	resolver "gx/ipfs/QmWqh9oob7ZHQRwU5CdTqpnC8ip8BEkFNrwXRxeNo5Y7vA/go-path/resolver"
	peer "gx/ipfs/QmY5Grm8pJdiSSVsYxx4uNRgweY72EmYwuSDbRnbFok3iY/go-libp2p-peer"
	offline "gx/ipfs/QmYZwey1thDTynSrvd6qQkX24UpTka6TFhQ2v569UpoqxD/go-ipfs-exchange-offline"
	libp2p "gx/ipfs/QmYxivS34F2M2n44WQQnRHGAKS8aoRUxwGpi9wk4Cdn4Jf/go-libp2p"
	p2phost "gx/ipfs/QmaoXrM4Z41PD48JY36YqQGKQpLGjyLA2cKcLsES7YddAq/go-libp2p-host"
	dag "gx/ipfs/Qmb2UEG2TAeVrEJSjqsZF7Y2he7wRDkrdt6c3bECxwZf4k/go-merkledag"
	cfg "gx/ipfs/QmcRKBUqc2p3L1ZraoJjbXfs9E6xzvEuyK9iypb5RGwfsr/go-ipfs-config"
	metrics "gx/ipfs/QmekzFM3hPZjTjUFGTABdQkEnQ3PTiMstY198PwSFr5w1Q/go-metrics-interface"
	ds "gx/ipfs/Qmf4xQhNomPNhrtZc67qSnfJSjxjXs9LWvknJtSXwimPrM/go-datastore"
	retry "gx/ipfs/Qmf4xQhNomPNhrtZc67qSnfJSjxjXs9LWvknJtSXwimPrM/go-datastore/retrystore"
	dsync "gx/ipfs/Qmf4xQhNomPNhrtZc67qSnfJSjxjXs9LWvknJtSXwimPrM/go-datastore/sync"
	record "gx/ipfs/QmfARXVCzpwFXQdepAJZuqyNDgV9doEsMnVCo1ssmuSe1U/go-libp2p-record"
)

type BuildCfg struct {
	// If online is set, the node will have networking enabled
	Online bool

	// ExtraOpts is a map of extra options used to configure the ipfs nodes creation
	ExtraOpts map[string]bool

	// If permanent then node should run more expensive processes
	// that will improve performance in long run
	Permanent bool

	// DisableEncryptedConnections disables connection encryption *entirely*.
	// DO NOT SET THIS UNLESS YOU'RE TESTING.
	DisableEncryptedConnections bool

	// If NilRepo is set, a repo backed by a nil datastore will be constructed
	NilRepo bool

	Routing RoutingOption
	Host    HostOption
	Repo    repo.Repo
}

func (cfg *BuildCfg) getOpt(key string) bool {
	if cfg.ExtraOpts == nil {
		return false
	}

	return cfg.ExtraOpts[key]