mirror of https://github.com/status-im/op-geth.git
602 lines
18 KiB
Go
602 lines
18 KiB
Go
// Copyright 2018 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
package stream
|
|
|
|
import (
|
|
"context"
|
|
crand "crypto/rand"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"runtime"
|
|
"sync"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/log"
|
|
"github.com/ethereum/go-ethereum/node"
|
|
"github.com/ethereum/go-ethereum/p2p"
|
|
"github.com/ethereum/go-ethereum/p2p/discover"
|
|
"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
|
|
"github.com/ethereum/go-ethereum/swarm/network"
|
|
"github.com/ethereum/go-ethereum/swarm/network/simulation"
|
|
"github.com/ethereum/go-ethereum/swarm/pot"
|
|
"github.com/ethereum/go-ethereum/swarm/state"
|
|
"github.com/ethereum/go-ethereum/swarm/storage"
|
|
mockdb "github.com/ethereum/go-ethereum/swarm/storage/mock/db"
|
|
)
|
|
|
|
const MaxTimeout = 600
|
|
|
|
type synctestConfig struct {
|
|
addrs [][]byte
|
|
hashes []storage.Address
|
|
idToChunksMap map[discover.NodeID][]int
|
|
//chunksToNodesMap map[string][]int
|
|
addrToIDMap map[string]discover.NodeID
|
|
}
|
|
|
|
// Tests in this file should not request chunks from peers.
|
|
// This function will panic indicating that there is a problem if request has been made.
|
|
func dummyRequestFromPeers(_ context.Context, req *network.Request) (*discover.NodeID, chan struct{}, error) {
|
|
panic(fmt.Sprintf("unexpected request: address %s, source %s", req.Addr.String(), req.Source.String()))
|
|
}
|
|
|
|
//This test is a syncing test for nodes.
|
|
//One node is randomly selected to be the pivot node.
|
|
//A configurable number of chunks and nodes can be
|
|
//provided to the test, the number of chunks is uploaded
|
|
//to the pivot node, and we check that nodes get the chunks
|
|
//they are expected to store based on the syncing protocol.
|
|
//Number of chunks and nodes can be provided via commandline too.
|
|
func TestSyncingViaGlobalSync(t *testing.T) {
|
|
if runtime.GOOS == "darwin" && os.Getenv("TRAVIS") == "true" {
|
|
t.Skip("Flaky on mac on travis")
|
|
}
|
|
//if nodes/chunks have been provided via commandline,
|
|
//run the tests with these values
|
|
if *nodes != 0 && *chunks != 0 {
|
|
log.Info(fmt.Sprintf("Running test with %d chunks and %d nodes...", *chunks, *nodes))
|
|
testSyncingViaGlobalSync(t, *chunks, *nodes)
|
|
} else {
|
|
var nodeCnt []int
|
|
var chnkCnt []int
|
|
//if the `longrunning` flag has been provided
|
|
//run more test combinations
|
|
if *longrunning {
|
|
chnkCnt = []int{1, 8, 32, 256, 1024}
|
|
nodeCnt = []int{16, 32, 64, 128, 256}
|
|
} else {
|
|
//default test
|
|
chnkCnt = []int{4, 32}
|
|
nodeCnt = []int{32, 16}
|
|
}
|
|
for _, chnk := range chnkCnt {
|
|
for _, n := range nodeCnt {
|
|
log.Info(fmt.Sprintf("Long running test with %d chunks and %d nodes...", chnk, n))
|
|
testSyncingViaGlobalSync(t, chnk, n)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestSyncingViaDirectSubscribe(t *testing.T) {
|
|
if runtime.GOOS == "darwin" && os.Getenv("TRAVIS") == "true" {
|
|
t.Skip("Flaky on mac on travis")
|
|
}
|
|
//if nodes/chunks have been provided via commandline,
|
|
//run the tests with these values
|
|
if *nodes != 0 && *chunks != 0 {
|
|
log.Info(fmt.Sprintf("Running test with %d chunks and %d nodes...", *chunks, *nodes))
|
|
err := testSyncingViaDirectSubscribe(t, *chunks, *nodes)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
} else {
|
|
var nodeCnt []int
|
|
var chnkCnt []int
|
|
//if the `longrunning` flag has been provided
|
|
//run more test combinations
|
|
if *longrunning {
|
|
chnkCnt = []int{1, 8, 32, 256, 1024}
|
|
nodeCnt = []int{32, 16}
|
|
} else {
|
|
//default test
|
|
chnkCnt = []int{4, 32}
|
|
nodeCnt = []int{32, 16}
|
|
}
|
|
for _, chnk := range chnkCnt {
|
|
for _, n := range nodeCnt {
|
|
log.Info(fmt.Sprintf("Long running test with %d chunks and %d nodes...", chnk, n))
|
|
err := testSyncingViaDirectSubscribe(t, chnk, n)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func testSyncingViaGlobalSync(t *testing.T, chunkCount int, nodeCount int) {
|
|
sim := simulation.New(map[string]simulation.ServiceFunc{
|
|
"streamer": func(ctx *adapters.ServiceContext, bucket *sync.Map) (s node.Service, cleanup func(), err error) {
|
|
|
|
id := ctx.Config.ID
|
|
addr := network.NewAddrFromNodeID(id)
|
|
store, datadir, err := createTestLocalStorageForID(id, addr)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
bucket.Store(bucketKeyStore, store)
|
|
localStore := store.(*storage.LocalStore)
|
|
netStore, err := storage.NewNetStore(localStore, nil)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
kad := network.NewKademlia(addr.Over(), network.NewKadParams())
|
|
delivery := NewDelivery(kad, netStore)
|
|
netStore.NewNetFetcherFunc = network.NewFetcherFactory(dummyRequestFromPeers, true).New
|
|
|
|
r := NewRegistry(addr, delivery, netStore, state.NewInmemoryStore(), &RegistryOptions{
|
|
DoSync: true,
|
|
SyncUpdateDelay: 3 * time.Second,
|
|
})
|
|
bucket.Store(bucketKeyRegistry, r)
|
|
|
|
cleanup = func() {
|
|
os.RemoveAll(datadir)
|
|
netStore.Close()
|
|
r.Close()
|
|
}
|
|
|
|
return r, cleanup, nil
|
|
|
|
},
|
|
})
|
|
defer sim.Close()
|
|
|
|
log.Info("Initializing test config")
|
|
|
|
conf := &synctestConfig{}
|
|
//map of discover ID to indexes of chunks expected at that ID
|
|
conf.idToChunksMap = make(map[discover.NodeID][]int)
|
|
//map of overlay address to discover ID
|
|
conf.addrToIDMap = make(map[string]discover.NodeID)
|
|
//array where the generated chunk hashes will be stored
|
|
conf.hashes = make([]storage.Address, 0)
|
|
|
|
err := sim.UploadSnapshot(fmt.Sprintf("testing/snapshot_%d.json", nodeCount))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
ctx, cancelSimRun := context.WithTimeout(context.Background(), 2*time.Minute)
|
|
defer cancelSimRun()
|
|
|
|
if _, err := sim.WaitTillHealthy(ctx, 2); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
disconnections := sim.PeerEvents(
|
|
context.Background(),
|
|
sim.NodeIDs(),
|
|
simulation.NewPeerEventsFilter().Type(p2p.PeerEventTypeDrop),
|
|
)
|
|
|
|
go func() {
|
|
for d := range disconnections {
|
|
log.Error("peer drop", "node", d.NodeID, "peer", d.Event.Peer)
|
|
t.Fatal("unexpected disconnect")
|
|
cancelSimRun()
|
|
}
|
|
}()
|
|
|
|
result := sim.Run(ctx, func(ctx context.Context, sim *simulation.Simulation) error {
|
|
nodeIDs := sim.UpNodeIDs()
|
|
for _, n := range nodeIDs {
|
|
//get the kademlia overlay address from this ID
|
|
a := network.ToOverlayAddr(n.Bytes())
|
|
//append it to the array of all overlay addresses
|
|
conf.addrs = append(conf.addrs, a)
|
|
//the proximity calculation is on overlay addr,
|
|
//the p2p/simulations check func triggers on discover.NodeID,
|
|
//so we need to know which overlay addr maps to which nodeID
|
|
conf.addrToIDMap[string(a)] = n
|
|
}
|
|
|
|
//get the node at that index
|
|
//this is the node selected for upload
|
|
node := sim.RandomUpNode()
|
|
item, ok := sim.NodeItem(node.ID, bucketKeyStore)
|
|
if !ok {
|
|
return fmt.Errorf("No localstore")
|
|
}
|
|
lstore := item.(*storage.LocalStore)
|
|
hashes, err := uploadFileToSingleNodeStore(node.ID, chunkCount, lstore)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
conf.hashes = append(conf.hashes, hashes...)
|
|
mapKeysToNodes(conf)
|
|
|
|
// File retrieval check is repeated until all uploaded files are retrieved from all nodes
|
|
// or until the timeout is reached.
|
|
allSuccess := false
|
|
var gDir string
|
|
var globalStore *mockdb.GlobalStore
|
|
if *useMockStore {
|
|
gDir, globalStore, err = createGlobalStore()
|
|
if err != nil {
|
|
return fmt.Errorf("Something went wrong; using mockStore enabled but globalStore is nil")
|
|
}
|
|
defer func() {
|
|
os.RemoveAll(gDir)
|
|
err := globalStore.Close()
|
|
if err != nil {
|
|
log.Error("Error closing global store! %v", "err", err)
|
|
}
|
|
}()
|
|
}
|
|
for !allSuccess {
|
|
allSuccess = true
|
|
for _, id := range nodeIDs {
|
|
//for each expected chunk, check if it is in the local store
|
|
localChunks := conf.idToChunksMap[id]
|
|
localSuccess := true
|
|
for _, ch := range localChunks {
|
|
//get the real chunk by the index in the index array
|
|
chunk := conf.hashes[ch]
|
|
log.Trace(fmt.Sprintf("node has chunk: %s:", chunk))
|
|
//check if the expected chunk is indeed in the localstore
|
|
var err error
|
|
if *useMockStore {
|
|
//use the globalStore if the mockStore should be used; in that case,
|
|
//the complete localStore stack is bypassed for getting the chunk
|
|
_, err = globalStore.Get(common.BytesToAddress(id.Bytes()), chunk)
|
|
} else {
|
|
//use the actual localstore
|
|
item, ok := sim.NodeItem(id, bucketKeyStore)
|
|
if !ok {
|
|
return fmt.Errorf("Error accessing localstore")
|
|
}
|
|
lstore := item.(*storage.LocalStore)
|
|
_, err = lstore.Get(ctx, chunk)
|
|
}
|
|
if err != nil {
|
|
log.Warn(fmt.Sprintf("Chunk %s NOT found for id %s", chunk, id))
|
|
localSuccess = false
|
|
// Do not get crazy with logging the warn message
|
|
time.Sleep(500 * time.Millisecond)
|
|
} else {
|
|
log.Debug(fmt.Sprintf("Chunk %s IS FOUND for id %s", chunk, id))
|
|
}
|
|
}
|
|
if !localSuccess {
|
|
allSuccess = false
|
|
break
|
|
}
|
|
}
|
|
}
|
|
if !allSuccess {
|
|
return fmt.Errorf("Not all chunks succeeded!")
|
|
}
|
|
return nil
|
|
})
|
|
|
|
if result.Error != nil {
|
|
t.Fatal(result.Error)
|
|
}
|
|
log.Info("Simulation ended")
|
|
}
|
|
|
|
/*
|
|
The test generates the given number of chunks
|
|
|
|
For every chunk generated, the nearest node addresses
|
|
are identified, we verify that the nodes closer to the
|
|
chunk addresses actually do have the chunks in their local stores.
|
|
|
|
The test loads a snapshot file to construct the swarm network,
|
|
assuming that the snapshot file identifies a healthy
|
|
kademlia network. The snapshot should have 'streamer' in its service list.
|
|
*/
|
|
func testSyncingViaDirectSubscribe(t *testing.T, chunkCount int, nodeCount int) error {
|
|
sim := simulation.New(map[string]simulation.ServiceFunc{
|
|
"streamer": func(ctx *adapters.ServiceContext, bucket *sync.Map) (s node.Service, cleanup func(), err error) {
|
|
|
|
id := ctx.Config.ID
|
|
addr := network.NewAddrFromNodeID(id)
|
|
store, datadir, err := createTestLocalStorageForID(id, addr)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
bucket.Store(bucketKeyStore, store)
|
|
localStore := store.(*storage.LocalStore)
|
|
netStore, err := storage.NewNetStore(localStore, nil)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
kad := network.NewKademlia(addr.Over(), network.NewKadParams())
|
|
delivery := NewDelivery(kad, netStore)
|
|
netStore.NewNetFetcherFunc = network.NewFetcherFactory(dummyRequestFromPeers, true).New
|
|
|
|
r := NewRegistry(addr, delivery, netStore, state.NewInmemoryStore(), nil)
|
|
bucket.Store(bucketKeyRegistry, r)
|
|
|
|
fileStore := storage.NewFileStore(netStore, storage.NewFileStoreParams())
|
|
bucket.Store(bucketKeyFileStore, fileStore)
|
|
|
|
cleanup = func() {
|
|
os.RemoveAll(datadir)
|
|
netStore.Close()
|
|
r.Close()
|
|
}
|
|
|
|
return r, cleanup, nil
|
|
|
|
},
|
|
})
|
|
defer sim.Close()
|
|
|
|
ctx, cancelSimRun := context.WithTimeout(context.Background(), 2*time.Minute)
|
|
defer cancelSimRun()
|
|
|
|
conf := &synctestConfig{}
|
|
//map of discover ID to indexes of chunks expected at that ID
|
|
conf.idToChunksMap = make(map[discover.NodeID][]int)
|
|
//map of overlay address to discover ID
|
|
conf.addrToIDMap = make(map[string]discover.NodeID)
|
|
//array where the generated chunk hashes will be stored
|
|
conf.hashes = make([]storage.Address, 0)
|
|
|
|
err := sim.UploadSnapshot(fmt.Sprintf("testing/snapshot_%d.json", nodeCount))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if _, err := sim.WaitTillHealthy(ctx, 2); err != nil {
|
|
return err
|
|
}
|
|
|
|
disconnections := sim.PeerEvents(
|
|
context.Background(),
|
|
sim.NodeIDs(),
|
|
simulation.NewPeerEventsFilter().Type(p2p.PeerEventTypeDrop),
|
|
)
|
|
|
|
go func() {
|
|
for d := range disconnections {
|
|
log.Error("peer drop", "node", d.NodeID, "peer", d.Event.Peer)
|
|
t.Fatal("unexpected disconnect")
|
|
cancelSimRun()
|
|
}
|
|
}()
|
|
|
|
result := sim.Run(ctx, func(ctx context.Context, sim *simulation.Simulation) error {
|
|
nodeIDs := sim.UpNodeIDs()
|
|
for _, n := range nodeIDs {
|
|
//get the kademlia overlay address from this ID
|
|
a := network.ToOverlayAddr(n.Bytes())
|
|
//append it to the array of all overlay addresses
|
|
conf.addrs = append(conf.addrs, a)
|
|
//the proximity calculation is on overlay addr,
|
|
//the p2p/simulations check func triggers on discover.NodeID,
|
|
//so we need to know which overlay addr maps to which nodeID
|
|
conf.addrToIDMap[string(a)] = n
|
|
}
|
|
|
|
var subscriptionCount int
|
|
|
|
filter := simulation.NewPeerEventsFilter().Type(p2p.PeerEventTypeMsgRecv).Protocol("stream").MsgCode(4)
|
|
eventC := sim.PeerEvents(ctx, nodeIDs, filter)
|
|
|
|
for j, node := range nodeIDs {
|
|
log.Trace(fmt.Sprintf("Start syncing subscriptions: %d", j))
|
|
//start syncing!
|
|
item, ok := sim.NodeItem(node, bucketKeyRegistry)
|
|
if !ok {
|
|
return fmt.Errorf("No registry")
|
|
}
|
|
registry := item.(*Registry)
|
|
|
|
var cnt int
|
|
cnt, err = startSyncing(registry, conf)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
//increment the number of subscriptions we need to wait for
|
|
//by the count returned from startSyncing (SYNC subscriptions)
|
|
subscriptionCount += cnt
|
|
}
|
|
|
|
for e := range eventC {
|
|
if e.Error != nil {
|
|
return e.Error
|
|
}
|
|
subscriptionCount--
|
|
if subscriptionCount == 0 {
|
|
break
|
|
}
|
|
}
|
|
//select a random node for upload
|
|
node := sim.RandomUpNode()
|
|
item, ok := sim.NodeItem(node.ID, bucketKeyStore)
|
|
if !ok {
|
|
return fmt.Errorf("No localstore")
|
|
}
|
|
lstore := item.(*storage.LocalStore)
|
|
hashes, err := uploadFileToSingleNodeStore(node.ID, chunkCount, lstore)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
conf.hashes = append(conf.hashes, hashes...)
|
|
mapKeysToNodes(conf)
|
|
|
|
if _, err := sim.WaitTillHealthy(ctx, 2); err != nil {
|
|
return err
|
|
}
|
|
|
|
var gDir string
|
|
var globalStore *mockdb.GlobalStore
|
|
if *useMockStore {
|
|
gDir, globalStore, err = createGlobalStore()
|
|
if err != nil {
|
|
return fmt.Errorf("Something went wrong; using mockStore enabled but globalStore is nil")
|
|
}
|
|
defer os.RemoveAll(gDir)
|
|
}
|
|
// File retrieval check is repeated until all uploaded files are retrieved from all nodes
|
|
// or until the timeout is reached.
|
|
allSuccess := false
|
|
for !allSuccess {
|
|
allSuccess = true
|
|
for _, id := range nodeIDs {
|
|
//for each expected chunk, check if it is in the local store
|
|
localChunks := conf.idToChunksMap[id]
|
|
localSuccess := true
|
|
for _, ch := range localChunks {
|
|
//get the real chunk by the index in the index array
|
|
chunk := conf.hashes[ch]
|
|
log.Trace(fmt.Sprintf("node has chunk: %s:", chunk))
|
|
//check if the expected chunk is indeed in the localstore
|
|
var err error
|
|
if *useMockStore {
|
|
//use the globalStore if the mockStore should be used; in that case,
|
|
//the complete localStore stack is bypassed for getting the chunk
|
|
_, err = globalStore.Get(common.BytesToAddress(id.Bytes()), chunk)
|
|
} else {
|
|
//use the actual localstore
|
|
item, ok := sim.NodeItem(id, bucketKeyStore)
|
|
if !ok {
|
|
return fmt.Errorf("Error accessing localstore")
|
|
}
|
|
lstore := item.(*storage.LocalStore)
|
|
_, err = lstore.Get(ctx, chunk)
|
|
}
|
|
if err != nil {
|
|
log.Warn(fmt.Sprintf("Chunk %s NOT found for id %s", chunk, id))
|
|
localSuccess = false
|
|
// Do not get crazy with logging the warn message
|
|
time.Sleep(500 * time.Millisecond)
|
|
} else {
|
|
log.Debug(fmt.Sprintf("Chunk %s IS FOUND for id %s", chunk, id))
|
|
}
|
|
}
|
|
if !localSuccess {
|
|
allSuccess = false
|
|
break
|
|
}
|
|
}
|
|
}
|
|
if !allSuccess {
|
|
return fmt.Errorf("Not all chunks succeeded!")
|
|
}
|
|
return nil
|
|
})
|
|
|
|
if result.Error != nil {
|
|
return result.Error
|
|
}
|
|
|
|
log.Info("Simulation ended")
|
|
return nil
|
|
}
|
|
|
|
//the server func to start syncing
|
|
//issues `RequestSubscriptionMsg` to peers, based on po, by iterating over
|
|
//the kademlia's `EachBin` function.
|
|
//returns the number of subscriptions requested
|
|
func startSyncing(r *Registry, conf *synctestConfig) (int, error) {
|
|
var err error
|
|
kad := r.delivery.kad
|
|
subCnt := 0
|
|
//iterate over each bin and solicit needed subscription to bins
|
|
kad.EachBin(r.addr.Over(), pof, 0, func(conn *network.Peer, po int) bool {
|
|
//identify begin and start index of the bin(s) we want to subscribe to
|
|
|
|
subCnt++
|
|
err = r.RequestSubscription(conf.addrToIDMap[string(conn.Address())], NewStream("SYNC", FormatSyncBinKey(uint8(po)), true), NewRange(0, 0), High)
|
|
if err != nil {
|
|
log.Error(fmt.Sprintf("Error in RequestSubsciption! %v", err))
|
|
return false
|
|
}
|
|
return true
|
|
|
|
})
|
|
return subCnt, nil
|
|
}
|
|
|
|
//map chunk keys to addresses which are responsible
|
|
func mapKeysToNodes(conf *synctestConfig) {
|
|
nodemap := make(map[string][]int)
|
|
//build a pot for chunk hashes
|
|
np := pot.NewPot(nil, 0)
|
|
indexmap := make(map[string]int)
|
|
for i, a := range conf.addrs {
|
|
indexmap[string(a)] = i
|
|
np, _, _ = pot.Add(np, a, pof)
|
|
}
|
|
|
|
var kadMinProxSize = 2
|
|
|
|
ppmap := network.NewPeerPotMap(kadMinProxSize, conf.addrs)
|
|
|
|
//for each address, run EachNeighbour on the chunk hashes pot to identify closest nodes
|
|
log.Trace(fmt.Sprintf("Generated hash chunk(s): %v", conf.hashes))
|
|
for i := 0; i < len(conf.hashes); i++ {
|
|
var a []byte
|
|
np.EachNeighbour([]byte(conf.hashes[i]), pof, func(val pot.Val, po int) bool {
|
|
// take the first address
|
|
a = val.([]byte)
|
|
return false
|
|
})
|
|
|
|
nns := ppmap[common.Bytes2Hex(a)].NNSet
|
|
nns = append(nns, a)
|
|
|
|
for _, p := range nns {
|
|
nodemap[string(p)] = append(nodemap[string(p)], i)
|
|
}
|
|
}
|
|
for addr, chunks := range nodemap {
|
|
//this selects which chunks are expected to be found with the given node
|
|
conf.idToChunksMap[conf.addrToIDMap[addr]] = chunks
|
|
}
|
|
log.Debug(fmt.Sprintf("Map of expected chunks by ID: %v", conf.idToChunksMap))
|
|
}
|
|
|
|
//upload a file(chunks) to a single local node store
|
|
func uploadFileToSingleNodeStore(id discover.NodeID, chunkCount int, lstore *storage.LocalStore) ([]storage.Address, error) {
|
|
log.Debug(fmt.Sprintf("Uploading to node id: %s", id))
|
|
fileStore := storage.NewFileStore(lstore, storage.NewFileStoreParams())
|
|
size := chunkSize
|
|
var rootAddrs []storage.Address
|
|
for i := 0; i < chunkCount; i++ {
|
|
rk, wait, err := fileStore.Store(context.TODO(), io.LimitReader(crand.Reader, int64(size)), int64(size), false)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
err = wait(context.TODO())
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
rootAddrs = append(rootAddrs, (rk))
|
|
}
|
|
|
|
return rootAddrs, nil
|
|
}
|