package testing import ( "context" "encoding/json" "fmt" "io" "io/ioutil" "os" "github.com/ipfs/go-blockservice" "github.com/ipfs/go-cid" offline "github.com/ipfs/go-ipfs-exchange-offline" logging "github.com/ipfs/go-log/v2" "github.com/ipfs/go-merkledag" "github.com/ipld/go-car" "github.com/mitchellh/go-homedir" "golang.org/x/xerrors" "github.com/filecoin-project/lotus/build" "github.com/filecoin-project/lotus/chain/gen" genesis2 "github.com/filecoin-project/lotus/chain/gen/genesis" "github.com/filecoin-project/lotus/chain/types" "github.com/filecoin-project/lotus/chain/vm" "github.com/filecoin-project/lotus/genesis" "github.com/filecoin-project/lotus/node/modules" "github.com/filecoin-project/lotus/node/modules/dtypes" ) var glog = logging.Logger("genesis") func MakeGenesisMem(out io.Writer, template genesis.Template) func(bs dtypes.ChainBlockstore, syscalls vm.SyscallBuilder) modules.Genesis { return func(bs dtypes.ChainBlockstore, syscalls vm.SyscallBuilder) modules.Genesis { return func() (*types.BlockHeader, error) { glog.Warn("Generating new random genesis block, note that this SHOULD NOT happen unless you are setting up new network") b, err := genesis2.MakeGenesisBlock(context.TODO(), bs, syscalls, template) if err != nil { return nil, xerrors.Errorf("make genesis block failed: %w", err) } offl := offline.Exchange(bs) blkserv := blockservice.New(bs, offl) dserv := merkledag.NewDAGService(blkserv) if err := car.WriteCarWithWalker(context.TODO(), dserv, []cid.Cid{b.Genesis.Cid()}, out, gen.CarWalkFunc); err != nil { return nil, xerrors.Errorf("failed to write car file: %w", err) } return b.Genesis, nil } } } func MakeGenesis(outFile, genesisTemplate string) func(bs dtypes.ChainBlockstore, syscalls vm.SyscallBuilder) modules.Genesis { return func(bs dtypes.ChainBlockstore, syscalls vm.SyscallBuilder) modules.Genesis { return func() (*types.BlockHeader, error) { glog.Warn("Generating new random genesis block, note that this SHOULD NOT happen unless you are setting up new network") genesisTemplate, err := homedir.Expand(genesisTemplate) if err != nil { return nil, err } fdata, err := ioutil.ReadFile(genesisTemplate) if err != nil { return nil, xerrors.Errorf("reading preseals json: %w", err) } var template genesis.Template if err := json.Unmarshal(fdata, &template); err != nil { return nil, err } if template.Timestamp == 0 { template.Timestamp = uint64(build.Clock.Now().Unix()) } b, err := genesis2.MakeGenesisBlock(context.TODO(), bs, syscalls, template) if err != nil { return nil, xerrors.Errorf("make genesis block: %w", err) } fmt.Printf("GENESIS MINER ADDRESS: t0%d\n", genesis2.MinerStart) 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.WriteCarWithWalker(context.TODO(), dserv, []cid.Cid{b.Genesis.Cid()}, f, gen.CarWalkFunc); 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 } } }