package testing import ( "context" "io" "os" "github.com/ipfs/go-blockservice" "github.com/ipfs/go-car" "github.com/ipfs/go-cid" blockstore "github.com/ipfs/go-ipfs-blockstore" offline "github.com/ipfs/go-ipfs-exchange-offline" logging "github.com/ipfs/go-log" "github.com/ipfs/go-merkledag" "github.com/filecoin-project/go-lotus/chain" "github.com/filecoin-project/go-lotus/node/modules" ) var glog = logging.Logger("genesis") func MakeGenesisMem(out io.Writer) func(bs blockstore.Blockstore, w *chain.Wallet) modules.Genesis { return func(bs blockstore.Blockstore, w *chain.Wallet) modules.Genesis { return func() (*chain.BlockHeader, error) { glog.Warn("Generating new random genesis block, note that this SHOULD NOT happen unless you are setting up new network") b, err := chain.MakeGenesisBlock(bs, w) if err != nil { return nil, err } offl := offline.Exchange(bs) blkserv := blockservice.New(bs, offl) dserv := merkledag.NewDAGService(blkserv) if err := car.WriteCar(context.TODO(), dserv, []cid.Cid{b.Genesis.Cid()}, out); err != nil { return nil, err } return b.Genesis, nil } } } func MakeGenesis(outFile string) func(bs blockstore.Blockstore, w *chain.Wallet) modules.Genesis { return func(bs blockstore.Blockstore, w *chain.Wallet) modules.Genesis { return func() (*chain.BlockHeader, error) { glog.Warn("Generating new random genesis block, note that this SHOULD NOT happen unless you are setting up new network") b, err := chain.MakeGenesisBlock(bs, w) if err != nil { return nil, err } f, err := os.OpenFile(outFile, os.O_CREATE|os.O_WRONLY, 0644) if err != nil { return nil, err } offl := offline.Exchange(bs) blkserv := blockservice.New(bs, offl) dserv := merkledag.NewDAGService(blkserv) if err := car.WriteCar(context.TODO(), dserv, []cid.Cid{b.Genesis.Cid()}, f); err != nil { return nil, err } glog.Warnf("WRITING GENESIS FILE AT %s", f.Name()) if err := f.Close(); err != nil { return nil, err } return b.Genesis, nil } } }