package main import ( "encoding/csv" "encoding/json" "fmt" "io/ioutil" "os" "strconv" "strings" "github.com/google/uuid" "github.com/mitchellh/go-homedir" "github.com/urfave/cli/v2" "golang.org/x/xerrors" "github.com/filecoin-project/go-address" "github.com/filecoin-project/specs-actors/actors/abi" "github.com/filecoin-project/specs-actors/actors/abi/big" "github.com/filecoin-project/lotus/build" genesis2 "github.com/filecoin-project/lotus/chain/gen/genesis" "github.com/filecoin-project/lotus/chain/types" "github.com/filecoin-project/lotus/genesis" ) var genesisCmd = &cli.Command{ Name: "genesis", Description: "manipulate lotus genesis template", Subcommands: []*cli.Command{ genesisNewCmd, genesisAddMinerCmd, genesisAddMsigsCmd, }, } var genesisNewCmd = &cli.Command{ Name: "new", Description: "create new genesis template", Flags: []cli.Flag{ &cli.StringFlag{ Name: "network-name", }, }, Action: func(cctx *cli.Context) error { if !cctx.Args().Present() { return xerrors.New("seed genesis new [genesis.json]") } out := genesis.Template{ Accounts: []genesis.Actor{}, Miners: []genesis.Miner{}, NetworkName: cctx.String("network-name"), } if out.NetworkName == "" { out.NetworkName = "localnet-" + uuid.New().String() } genb, err := json.MarshalIndent(&out, "", " ") if err != nil { return err } genf, err := homedir.Expand(cctx.Args().First()) if err != nil { return err } if err := ioutil.WriteFile(genf, genb, 0644); err != nil { return err } return nil }, } var genesisAddMinerCmd = &cli.Command{ Name: "add-miner", Description: "add genesis miner", Flags: []cli.Flag{}, Action: func(cctx *cli.Context) error { if cctx.Args().Len() != 2 { return xerrors.New("seed genesis add-miner [genesis.json] [preseal.json]") } genf, err := homedir.Expand(cctx.Args().First()) if err != nil { return err } var template genesis.Template genb, err := ioutil.ReadFile(genf) if err != nil { return xerrors.Errorf("read genesis template: %w", err) } if err := json.Unmarshal(genb, &template); err != nil { return xerrors.Errorf("unmarshal genesis template: %w", err) } minf, err := homedir.Expand(cctx.Args().Get(1)) if err != nil { return xerrors.Errorf("expand preseal file path: %w", err) } miners := map[string]genesis.Miner{} minb, err := ioutil.ReadFile(minf) if err != nil { return xerrors.Errorf("read preseal file: %w", err) } if err := json.Unmarshal(minb, &miners); err != nil { return xerrors.Errorf("unmarshal miner info: %w", err) } for mn, miner := range miners { log.Infof("Adding miner %s to genesis template", mn) { id := uint64(genesis2.MinerStart) + uint64(len(template.Miners)) maddr, err := address.NewFromString(mn) if err != nil { return xerrors.Errorf("parsing miner address: %w", err) } mid, err := address.IDFromAddress(maddr) if err != nil { return xerrors.Errorf("getting miner id from address: %w", err) } if mid != id { return xerrors.Errorf("tried to set miner t0%d as t0%d", mid, id) } } template.Miners = append(template.Miners, miner) log.Infof("Giving %s some initial balance", miner.Owner) template.Accounts = append(template.Accounts, genesis.Actor{ Type: genesis.TAccount, Balance: big.Mul(big.NewInt(50_000_000), big.NewInt(int64(build.FilecoinPrecision))), Meta: (&genesis.AccountMeta{Owner: miner.Owner}).ActorMeta(), }) } genb, err = json.MarshalIndent(&template, "", " ") if err != nil { return err } if err := ioutil.WriteFile(genf, genb, 0644); err != nil { return err } return nil }, } type GenAccountEntry struct { Version int ID string Amount types.FIL VestingMonths int CustodianID int M int N int Addresses []address.Address Type string Sig1 string Sig2 string } var genesisAddMsigsCmd = &cli.Command{ Name: "add-msigs", Action: func(cctx *cli.Context) error { if cctx.Args().Len() < 2 { return fmt.Errorf("must specify template file and csv file with accounts") } genf, err := homedir.Expand(cctx.Args().First()) if err != nil { return err } csvf, err := homedir.Expand(cctx.Args().Get(1)) if err != nil { return err } var template genesis.Template b, err := ioutil.ReadFile(genf) if err != nil { return xerrors.Errorf("read genesis template: %w", err) } if err := json.Unmarshal(b, &template); err != nil { return xerrors.Errorf("unmarshal genesis template: %w", err) } entries, err := parseMultisigCsv(csvf) if err != nil { return xerrors.Errorf("parsing multisig csv file: %w", err) } for i, e := range entries { if len(e.Addresses) != e.N { return fmt.Errorf("entry %d had mismatch between 'N' and number of addresses", i) } msig := &genesis.MultisigMeta{ Signers: e.Addresses, Threshold: e.M, VestingDuration: monthsToBlocks(e.VestingMonths), VestingStart: 0, } act := genesis.Actor{ Type: genesis.TMultisig, Balance: abi.TokenAmount(e.Amount), Meta: msig.ActorMeta(), } template.Accounts = append(template.Accounts, act) } b, err = json.MarshalIndent(&template, "", " ") if err != nil { return err } if err := ioutil.WriteFile(genf, b, 0644); err != nil { return err } return nil }, } func monthsToBlocks(nmonths int) int { days := uint64((365 * nmonths) / 12) return int(days * 24 * 60 * 60 / build.BlockDelaySecs) } func parseMultisigCsv(csvf string) ([]GenAccountEntry, error) { fileReader, err := os.Open(csvf) if err != nil { return nil, xerrors.Errorf("read multisig csv: %w", err) } r := csv.NewReader(fileReader) records, err := r.ReadAll() if err != nil { return nil, xerrors.Errorf("read multisig csv: %w", err) } var entries []GenAccountEntry for i, e := range records[1:] { var addrs []address.Address addrStrs := strings.Split(strings.TrimSpace(e[7]), ":") for j, a := range addrStrs { addr, err := address.NewFromString(a) if err != nil { return nil, xerrors.Errorf("failed to parse address %d in row %d (%q): %w", j, i, a, err) } addrs = append(addrs, addr) } balance, err := types.ParseFIL(strings.TrimSpace(e[2])) if err != nil { return nil, xerrors.Errorf("failed to parse account balance: %w", err) } vesting, err := strconv.Atoi(strings.TrimSpace(e[3])) if err != nil { return nil, xerrors.Errorf("failed to parse vesting duration for record %d: %w", i, err) } custodianID, err := strconv.Atoi(strings.TrimSpace(e[4])) if err != nil { return nil, xerrors.Errorf("failed to parse custodianID in record %d: %w", i, err) } threshold, err := strconv.Atoi(strings.TrimSpace(e[5])) if err != nil { return nil, xerrors.Errorf("failed to parse multisigM in record %d: %w", i, err) } num, err := strconv.Atoi(strings.TrimSpace(e[6])) if err != nil { return nil, xerrors.Errorf("Number of addresses be integer: %w", err) } if e[0] != "1" { return nil, xerrors.Errorf("record version must be 1") } entries = append(entries, GenAccountEntry{ Version: 1, ID: e[1], Amount: balance, CustodianID: custodianID, VestingMonths: vesting, M: threshold, N: num, Type: e[8], Sig1: e[9], Sig2: e[10], Addresses: addrs, }) } return entries, nil }