107 lines
3.4 KiB
Go
107 lines
3.4 KiB
Go
package testing
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import (
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"context"
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"encoding/json"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"github.com/ipfs/go-blockservice"
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"github.com/ipfs/go-cid"
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offline "github.com/ipfs/go-ipfs-exchange-offline"
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logging "github.com/ipfs/go-log/v2"
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"github.com/ipfs/go-merkledag"
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"github.com/ipld/go-car"
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"github.com/mitchellh/go-homedir"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/lotus/build"
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"github.com/filecoin-project/lotus/chain/gen"
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genesis2 "github.com/filecoin-project/lotus/chain/gen/genesis"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/chain/vm"
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"github.com/filecoin-project/lotus/genesis"
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"github.com/filecoin-project/lotus/journal"
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"github.com/filecoin-project/lotus/node/modules"
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"github.com/filecoin-project/lotus/node/modules/dtypes"
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)
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var glog = logging.Logger("genesis")
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func MakeGenesisMem(out io.Writer, template genesis.Template) func(bs dtypes.ChainBlockstore, syscalls vm.SyscallBuilder, j journal.Journal) modules.Genesis {
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return func(bs dtypes.ChainBlockstore, syscalls vm.SyscallBuilder, j journal.Journal) modules.Genesis {
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return func() (*types.BlockHeader, error) {
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glog.Warn("Generating new random genesis block, note that this SHOULD NOT happen unless you are setting up new network")
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b, err := genesis2.MakeGenesisBlock(context.TODO(), j, bs, syscalls, template)
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if err != nil {
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return nil, xerrors.Errorf("make genesis block failed: %w", err)
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}
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offl := offline.Exchange(bs)
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blkserv := blockservice.New(bs, offl)
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dserv := merkledag.NewDAGService(blkserv)
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if err := car.WriteCarWithWalker(context.TODO(), dserv, []cid.Cid{b.Genesis.Cid()}, out, gen.CarWalkFunc); err != nil {
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return nil, xerrors.Errorf("failed to write car file: %w", err)
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}
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return b.Genesis, nil
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}
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}
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}
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func MakeGenesis(outFile, genesisTemplate string) func(bs dtypes.ChainBlockstore, syscalls vm.SyscallBuilder, j journal.Journal) modules.Genesis {
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return func(bs dtypes.ChainBlockstore, syscalls vm.SyscallBuilder, j journal.Journal) modules.Genesis {
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return func() (*types.BlockHeader, error) {
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glog.Warn("Generating new random genesis block, note that this SHOULD NOT happen unless you are setting up new network")
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genesisTemplate, err := homedir.Expand(genesisTemplate)
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if err != nil {
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return nil, err
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}
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fdata, err := ioutil.ReadFile(genesisTemplate)
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if err != nil {
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return nil, xerrors.Errorf("reading preseals json: %w", err)
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}
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var template genesis.Template
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if err := json.Unmarshal(fdata, &template); err != nil {
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return nil, err
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}
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if template.Timestamp == 0 {
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template.Timestamp = uint64(build.Clock.Now().Unix())
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}
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b, err := genesis2.MakeGenesisBlock(context.TODO(), j, bs, syscalls, template)
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if err != nil {
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return nil, xerrors.Errorf("make genesis block: %w", err)
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}
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fmt.Printf("GENESIS MINER ADDRESS: t0%d\n", genesis2.MinerStart)
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f, err := os.OpenFile(outFile, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0644)
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if err != nil {
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return nil, err
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}
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offl := offline.Exchange(bs)
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blkserv := blockservice.New(bs, offl)
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dserv := merkledag.NewDAGService(blkserv)
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if err := car.WriteCarWithWalker(context.TODO(), dserv, []cid.Cid{b.Genesis.Cid()}, f, gen.CarWalkFunc); err != nil {
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return nil, err
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}
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glog.Warnf("WRITING GENESIS FILE AT %s", f.Name())
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if err := f.Close(); err != nil {
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return nil, err
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}
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return b.Genesis, nil
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}
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}
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}
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