lotus/node/modules/testing/genesis.go
2019-12-02 13:51:16 +01:00

144 lines
3.8 KiB
Go

package testing
import (
"context"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"os"
"time"
"github.com/ipfs/go-blockservice"
"github.com/ipfs/go-car"
"github.com/ipfs/go-cid"
offline "github.com/ipfs/go-ipfs-exchange-offline"
logging "github.com/ipfs/go-log"
"github.com/ipfs/go-merkledag"
"github.com/libp2p/go-libp2p-core/peer"
"golang.org/x/xerrors"
"github.com/filecoin-project/lotus/chain/address"
"github.com/filecoin-project/lotus/chain/gen"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/chain/wallet"
"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, gmc *gen.GenMinerCfg) func(bs dtypes.ChainBlockstore, w *wallet.Wallet) modules.Genesis {
return func(bs dtypes.ChainBlockstore, w *wallet.Wallet) 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")
defk, err := w.GenerateKey(types.KTBLS)
if err != nil {
return nil, err
}
alloc := map[address.Address]types.BigInt{
defk: types.FromFil(1000),
}
for _, genm := range gmc.PreSeals {
waddr, err := w.Import(&genm.Key)
if err != nil {
return nil, err
}
alloc[waddr] = types.FromFil(10000)
}
b, err := gen.MakeGenesisBlock(bs, alloc, gmc, 100000)
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, preseal string) func(bs dtypes.ChainBlockstore, w *wallet.Wallet) modules.Genesis {
return func(bs dtypes.ChainBlockstore, w *wallet.Wallet) 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")
fdata, err := ioutil.ReadFile(preseal)
if err != nil {
return nil, err
}
var preseal map[string]genesis.GenesisMiner
if err := json.Unmarshal(fdata, &preseal); err != nil {
return nil, err
}
minerAddresses := make([]address.Address, 0, len(preseal))
for s := range preseal {
a, err := address.NewFromString(s)
if err != nil {
return nil, err
}
if a.Protocol() != address.ID {
return nil, xerrors.New("expected ID address")
}
minerAddresses = append(minerAddresses, a)
}
gmc := &gen.GenMinerCfg{
PeerIDs: []peer.ID{"peer ID 1"},
PreSeals: preseal,
MinerAddrs: minerAddresses,
}
addrs := map[address.Address]types.BigInt{}
for _, miner := range preseal {
if _, err := w.Import(&miner.Key); err != nil {
return nil, xerrors.Errorf("importing miner key: %w", err)
}
_ = w.SetDefault(miner.Worker)
addrs[miner.Worker] = types.FromFil(100000)
}
b, err := gen.MakeGenesisBlock(bs, addrs, gmc, uint64(time.Now().Unix()))
if err != nil {
return nil, err
}
fmt.Println("GENESIS MINER ADDRESS: ", gmc.MinerAddrs[0].String())
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
}
}
}