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genesis.go
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genesis.go
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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/go-state-types/abi"
"github.com/filecoin-project/go-state-types/big"
"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/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{},
VerifregRootKey: gen.DefaultVerifregRootkeyActor,
RemainderAccount: gen.DefaultRemainderAccountActor,
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)
}
defer fileReader.Close() //nolint:errcheck
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
}