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deals.go
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deals.go
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package kit
import (
"context"
"errors"
"fmt"
"io/ioutil"
"os"
"strings"
"testing"
"time"
"github.com/filecoin-project/go-fil-markets/storagemarket"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/build"
"github.com/filecoin-project/lotus/chain/types"
sealing "github.com/filecoin-project/lotus/extern/storage-sealing"
"github.com/ipfs/go-cid"
files "github.com/ipfs/go-ipfs-files"
ipld "github.com/ipfs/go-ipld-format"
dag "github.com/ipfs/go-merkledag"
dstest "github.com/ipfs/go-merkledag/test"
unixfile "github.com/ipfs/go-unixfs/file"
"github.com/ipld/go-car"
"github.com/stretchr/testify/require"
"golang.org/x/sync/errgroup"
)
type DealHarness struct {
t *testing.T
client *TestFullNode
main *TestMiner
market *TestMiner
}
type MakeFullDealParams struct {
Rseed int
FastRet bool
StartEpoch abi.ChainEpoch
UseCARFileForStorageDeal bool
// SuspendUntilCryptoeconStable suspends deal-making, until cryptoecon
// parameters are stabilised. This affects projected collateral, and tests
// will fail in network version 13 and higher if deals are started too soon
// after network birth.
//
// The reason is that the formula for collateral calculation takes
// circulating supply into account:
//
// [portion of power this deal will be] * [~1% of tokens].
//
// In the first epochs after genesis, the total circulating supply is
// changing dramatically in percentual terms. Therefore, if the deal is
// proposed too soon, by the time it gets published on chain, the quoted
// provider collateral will no longer be valid.
//
// The observation is that deals fail with:
//
// GasEstimateMessageGas error: estimating gas used: message execution
// failed: exit 16, reason: Provider collateral out of bounds. (RetCode=16)
//
// Enabling this will suspend deal-making until the network has reached a
// height of 300.
SuspendUntilCryptoeconStable bool
}
// NewDealHarness creates a test harness that contains testing utilities for deals.
func NewDealHarness(t *testing.T, client *TestFullNode, main *TestMiner, market *TestMiner) *DealHarness {
return &DealHarness{
t: t,
client: client,
main: main,
market: market,
}
}
// MakeOnlineDeal makes an online deal, generating a random file with the
// supplied seed, and setting the specified fast retrieval flag and start epoch
// on the storage deal. It returns when the deal is sealed.
//
// TODO: convert input parameters to struct, and add size as an input param.
func (dh *DealHarness) MakeOnlineDeal(ctx context.Context, params MakeFullDealParams) (deal *cid.Cid, res *api.ImportRes, path string) {
if params.UseCARFileForStorageDeal {
res, _, path = dh.client.ClientImportCARFile(ctx, params.Rseed, 200)
} else {
res, path = dh.client.CreateImportFile(ctx, params.Rseed, 0)
}
dh.t.Logf("FILE CID: %s", res.Root)
if params.SuspendUntilCryptoeconStable {
dh.t.Logf("deal-making suspending until cryptecon parameters have stabilised")
ts := dh.client.WaitTillChain(ctx, HeightAtLeast(300))
dh.t.Logf("deal-making continuing; current height is %d", ts.Height())
}
dp := dh.DefaultStartDealParams()
dp.Data.Root = res.Root
dp.DealStartEpoch = params.StartEpoch
dp.FastRetrieval = params.FastRet
deal = dh.StartDeal(ctx, dp)
// TODO: this sleep is only necessary because deals don't immediately get logged in the dealstore, we should fix this
time.Sleep(time.Second)
dh.WaitDealSealed(ctx, deal, false, false, nil)
return deal, res, path
}
func (dh *DealHarness) DefaultStartDealParams() api.StartDealParams {
dp := api.StartDealParams{
Data: &storagemarket.DataRef{TransferType: storagemarket.TTGraphsync},
EpochPrice: types.NewInt(1000000),
MinBlocksDuration: uint64(build.MinDealDuration),
}
var err error
dp.Miner, err = dh.main.ActorAddress(context.Background())
require.NoError(dh.t, err)
dp.Wallet, err = dh.client.WalletDefaultAddress(context.Background())
require.NoError(dh.t, err)
return dp
}
// StartDeal starts a storage deal between the client and the miner.
func (dh *DealHarness) StartDeal(ctx context.Context, dealParams api.StartDealParams) *cid.Cid {
dealProposalCid, err := dh.client.ClientStartDeal(ctx, &dealParams)
require.NoError(dh.t, err)
return dealProposalCid
}
// WaitDealSealed waits until the deal is sealed.
func (dh *DealHarness) WaitDealSealed(ctx context.Context, deal *cid.Cid, noseal, noSealStart bool, cb func()) {
loop:
for {
di, err := dh.client.ClientGetDealInfo(ctx, *deal)
require.NoError(dh.t, err)
switch di.State {
case storagemarket.StorageDealAwaitingPreCommit, storagemarket.StorageDealSealing:
if noseal {
return
}
if !noSealStart {
dh.StartSealingWaiting(ctx)
}
case storagemarket.StorageDealProposalRejected:
dh.t.Fatal("deal rejected")
case storagemarket.StorageDealFailing:
dh.t.Fatal("deal failed")
case storagemarket.StorageDealError:
dh.t.Fatal("deal errored", di.Message)
case storagemarket.StorageDealActive:
dh.t.Log("COMPLETE", di)
break loop
}
mds, err := dh.market.MarketListIncompleteDeals(ctx)
require.NoError(dh.t, err)
var minerState storagemarket.StorageDealStatus
for _, md := range mds {
if md.DealID == di.DealID {
minerState = md.State
break
}
}
dh.t.Logf("Deal %d state: client:%s provider:%s\n", di.DealID, storagemarket.DealStates[di.State], storagemarket.DealStates[minerState])
time.Sleep(time.Second / 2)
if cb != nil {
cb()
}
}
}
func (dh *DealHarness) ExpectDealFailure(ctx context.Context, deal *cid.Cid, errs string) error {
for {
di, err := dh.client.ClientGetDealInfo(ctx, *deal)
require.NoError(dh.t, err)
switch di.State {
case storagemarket.StorageDealAwaitingPreCommit, storagemarket.StorageDealSealing:
return fmt.Errorf("deal is sealing, and we expected an error: %s", errs)
case storagemarket.StorageDealProposalRejected:
if strings.Contains(di.Message, errs) {
return nil
}
return fmt.Errorf("unexpected error: %s ; expected: %s", di.Message, errs)
case storagemarket.StorageDealFailing:
if strings.Contains(di.Message, errs) {
return nil
}
return fmt.Errorf("unexpected error: %s ; expected: %s", di.Message, errs)
case storagemarket.StorageDealError:
if strings.Contains(di.Message, errs) {
return nil
}
return fmt.Errorf("unexpected error: %s ; expected: %s", di.Message, errs)
case storagemarket.StorageDealActive:
return errors.New("expected to get an error, but didn't get one")
}
mds, err := dh.market.MarketListIncompleteDeals(ctx)
require.NoError(dh.t, err)
var minerState storagemarket.StorageDealStatus
for _, md := range mds {
if md.DealID == di.DealID {
minerState = md.State
break
}
}
dh.t.Logf("Deal %d state: client:%s provider:%s\n", di.DealID, storagemarket.DealStates[di.State], storagemarket.DealStates[minerState])
time.Sleep(time.Second / 2)
}
}
// WaitDealPublished waits until the deal is published.
func (dh *DealHarness) WaitDealPublished(ctx context.Context, deal *cid.Cid) {
subCtx, cancel := context.WithCancel(ctx)
defer cancel()
updates, err := dh.market.MarketGetDealUpdates(subCtx)
require.NoError(dh.t, err)
for {
select {
case <-ctx.Done():
dh.t.Fatal("context timeout")
case di := <-updates:
if deal.Equals(di.ProposalCid) {
switch di.State {
case storagemarket.StorageDealProposalRejected:
dh.t.Fatal("deal rejected")
case storagemarket.StorageDealFailing:
dh.t.Fatal("deal failed")
case storagemarket.StorageDealError:
dh.t.Fatal("deal errored", di.Message)
case storagemarket.StorageDealFinalizing, storagemarket.StorageDealAwaitingPreCommit, storagemarket.StorageDealSealing, storagemarket.StorageDealActive:
dh.t.Log("COMPLETE", di)
return
}
dh.t.Log("Deal state: ", storagemarket.DealStates[di.State])
}
}
}
}
func (dh *DealHarness) StartSealingWaiting(ctx context.Context) {
snums, err := dh.main.SectorsList(ctx)
require.NoError(dh.t, err)
for _, snum := range snums {
si, err := dh.main.SectorsStatus(ctx, snum, false)
require.NoError(dh.t, err)
dh.t.Logf("Sector state: %s", si.State)
if si.State == api.SectorState(sealing.WaitDeals) {
require.NoError(dh.t, dh.main.SectorStartSealing(ctx, snum))
}
dh.main.FlushSealingBatches(ctx)
}
}
func (dh *DealHarness) PerformRetrieval(ctx context.Context, deal *cid.Cid, root cid.Cid, carExport bool) (path string) {
// perform retrieval.
info, err := dh.client.ClientGetDealInfo(ctx, *deal)
require.NoError(dh.t, err)
offers, err := dh.client.ClientFindData(ctx, root, &info.PieceCID)
require.NoError(dh.t, err)
require.NotEmpty(dh.t, offers, "no offers")
carFile, err := ioutil.TempFile(dh.t.TempDir(), "ret-car")
require.NoError(dh.t, err)
defer carFile.Close() //nolint:errcheck
caddr, err := dh.client.WalletDefaultAddress(ctx)
require.NoError(dh.t, err)
ref := &api.FileRef{
Path: carFile.Name(),
IsCAR: carExport,
}
updates, err := dh.client.ClientRetrieveWithEvents(ctx, offers[0].Order(caddr), ref)
require.NoError(dh.t, err)
for update := range updates {
require.Emptyf(dh.t, update.Err, "retrieval failed: %s", update.Err)
}
ret := carFile.Name()
if carExport {
actualFile := dh.ExtractFileFromCAR(ctx, carFile)
ret = actualFile.Name()
_ = actualFile.Close() //nolint:errcheck
}
return ret
}
func (dh *DealHarness) ExtractFileFromCAR(ctx context.Context, file *os.File) (out *os.File) {
bserv := dstest.Bserv()
ch, err := car.LoadCar(bserv.Blockstore(), file)
require.NoError(dh.t, err)
b, err := bserv.GetBlock(ctx, ch.Roots[0])
require.NoError(dh.t, err)
nd, err := ipld.Decode(b)
require.NoError(dh.t, err)
dserv := dag.NewDAGService(bserv)
fil, err := unixfile.NewUnixfsFile(ctx, dserv, nd)
require.NoError(dh.t, err)
tmpfile, err := ioutil.TempFile(dh.t.TempDir(), "file-in-car")
require.NoError(dh.t, err)
defer tmpfile.Close() //nolint:errcheck
err = files.WriteTo(fil, tmpfile.Name())
require.NoError(dh.t, err)
return tmpfile
}
type RunConcurrentDealsOpts struct {
N int
FastRetrieval bool
CarExport bool
StartEpoch abi.ChainEpoch
UseCARFileForStorageDeal bool
}
func (dh *DealHarness) RunConcurrentDeals(opts RunConcurrentDealsOpts) {
errgrp, _ := errgroup.WithContext(context.Background())
for i := 0; i < opts.N; i++ {
i := i
errgrp.Go(func() (err error) {
defer dh.t.Logf("finished concurrent deal %d/%d", i, opts.N)
defer func() {
// This is necessary because golang can't deal with test
// failures being reported from children goroutines ¯\_(ツ)_/¯
if r := recover(); r != nil {
err = fmt.Errorf("deal failed: %s", r)
}
}()
dh.t.Logf("making storage deal %d/%d", i, opts.N)
deal, res, inPath := dh.MakeOnlineDeal(context.Background(), MakeFullDealParams{
Rseed: 5 + i,
FastRet: opts.FastRetrieval,
StartEpoch: opts.StartEpoch,
UseCARFileForStorageDeal: opts.UseCARFileForStorageDeal,
})
dh.t.Logf("retrieving deal %d/%d", i, opts.N)
outPath := dh.PerformRetrieval(context.Background(), deal, res.Root, opts.CarExport)
AssertFilesEqual(dh.t, inPath, outPath)
return nil
})
}
require.NoError(dh.t, errgrp.Wait())
}