111 lines
3.3 KiB
Go
111 lines
3.3 KiB
Go
package main
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import (
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"context"
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"fmt"
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"io/ioutil"
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"math/rand"
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"os"
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"time"
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"github.com/filecoin-project/lotus/api"
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"github.com/filecoin-project/oni/lotus-soup/testkit"
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)
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// This is the baseline test; Filecoin 101.
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//
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// A network with a bootstrapper, a number of miners, and a number of clients/full nodes
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// is constructed and connected through the bootstrapper.
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// Some funds are allocated to each node and a number of sectors are presealed in the genesis block.
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//
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// The test plan:
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// One or more clients store content to one or more miners, testing storage deals.
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// The plan ensures that the storage deals hit the blockchain and measure the time it took.
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// Verification: one or more clients retrieve and verify the hashes of stored content.
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// The plan ensures that all (previously) published content can be correctly retrieved
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// and measures the time it took.
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//
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// Preparation of the genesis block: this is the responsibility of the bootstrapper.
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// In order to compute the genesis block, we need to collect identities and presealed
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// sectors from each node.
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// Then we create a genesis block that allocates some funds to each node and collects
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// the presealed sectors.
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func dealsE2E(t *testkit.TestEnvironment) error {
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// Dispatch/forward non-client roles to defaults.
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if t.Role != "client" {
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return testkit.HandleDefaultRole(t)
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}
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// This is a client role
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t.RecordMessage("running client")
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cl, err := testkit.PrepareClient(t)
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if err != nil {
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return err
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}
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ctx := context.Background()
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client := cl.FullApi
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// select a random miner
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minerAddr := cl.MinerAddrs[rand.Intn(len(cl.MinerAddrs))]
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if err := client.NetConnect(ctx, minerAddr.PeerAddr); err != nil {
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return err
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}
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t.D().Counter(fmt.Sprintf("send-data-to,miner=%s", minerAddr.ActorAddr)).Inc(1)
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t.RecordMessage("selected %s as the miner", minerAddr.ActorAddr)
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time.Sleep(2 * time.Second)
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// generate 1600 bytes of random data
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data := make([]byte, 1600)
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rand.New(rand.NewSource(time.Now().UnixNano())).Read(data)
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file, err := ioutil.TempFile("/tmp", "data")
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if err != nil {
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return err
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}
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defer os.Remove(file.Name())
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_, err = file.Write(data)
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if err != nil {
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return err
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}
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fcid, err := client.ClientImport(ctx, api.FileRef{Path: file.Name(), IsCAR: false})
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if err != nil {
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return err
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}
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t.RecordMessage("file cid: %s", fcid)
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// start deal
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t1 := time.Now()
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deal := testkit.StartDeal(ctx, minerAddr.ActorAddr, client, fcid)
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t.RecordMessage("started deal: %s", deal)
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// TODO: this sleep is only necessary because deals don't immediately get logged in the dealstore, we should fix this
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time.Sleep(2 * time.Second)
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t.RecordMessage("waiting for deal to be sealed")
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testkit.WaitDealSealed(t, ctx, client, deal)
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t.D().ResettingHistogram("deal.sealed").Update(int64(time.Since(t1)))
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carExport := true
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t.RecordMessage("trying to retrieve %s", fcid)
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testkit.RetrieveData(t, ctx, client, fcid, carExport, data)
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t.D().ResettingHistogram("deal.retrieved").Update(int64(time.Since(t1)))
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t.SyncClient.MustSignalEntry(ctx, testkit.StateStopMining)
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time.Sleep(10 * time.Second) // wait for metrics to be emitted
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// TODO broadcast published content CIDs to other clients
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// TODO select a random piece of content published by some other client and retrieve it
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t.SyncClient.MustSignalAndWait(ctx, testkit.StateDone, t.TestInstanceCount)
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return nil
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}
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