lotus/api/test/deals.go

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package test
import (
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"bytes"
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"context"
"fmt"
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"io/ioutil"
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"math/rand"
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"os"
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"path/filepath"
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"testing"
"time"
logging "github.com/ipfs/go-log/v2"
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"github.com/filecoin-project/lotus/api"
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"github.com/filecoin-project/lotus/build"
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"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/node/impl"
)
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func init() {
logging.SetAllLoggers(logging.LevelInfo)
build.InsecurePoStValidation = true
}
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func TestDealFlow(t *testing.T, b APIBuilder) {
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os.Setenv("BELLMAN_NO_GPU", "1")
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ctx := context.Background()
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n, sn := b(t, 1, []int{0})
client := n[0].FullNode.(*impl.FullNodeAPI)
miner := sn[0]
addrinfo, err := client.NetAddrsListen(ctx)
if err != nil {
t.Fatal(err)
}
if err := miner.NetConnect(ctx, addrinfo); err != nil {
t.Fatal(err)
}
time.Sleep(time.Second)
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data := make([]byte, 1000)
rand.New(rand.NewSource(5)).Read(data)
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r := bytes.NewReader(data)
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fcid, err := client.ClientImportLocal(ctx, r)
if err != nil {
t.Fatal(err)
}
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maddr, err := miner.ActorAddress(ctx)
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if err != nil {
t.Fatal(err)
}
fmt.Println("FILE CID: ", fcid)
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mine := true
done := make(chan struct{})
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go func() {
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defer close(done)
for mine {
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time.Sleep(time.Second)
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fmt.Println("mining a block now")
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if err := sn[0].MineOne(ctx); err != nil {
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t.Error(err)
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}
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}
}()
addr, err := client.WalletDefaultAddress(ctx)
if err != nil {
t.Fatal(err)
}
deal, err := client.ClientStartDeal(ctx, fcid, addr, maddr, types.NewInt(40000000), 100)
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if err != nil {
t.Fatal(err)
}
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// TODO: this sleep is only necessary because deals don't immediately get logged in the dealstore, we should fix this
time.Sleep(time.Second)
loop:
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for {
di, err := client.ClientGetDealInfo(ctx, *deal)
if err != nil {
t.Fatal(err)
}
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switch di.State {
case api.DealRejected:
t.Fatal("deal rejected")
case api.DealFailed:
t.Fatal("deal failed")
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case api.DealError:
t.Fatal("deal errored")
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case api.DealComplete:
fmt.Println("COMPLETE", di)
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break loop
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}
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fmt.Println("Deal state: ", api.DealStates[di.State])
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time.Sleep(time.Second / 2)
}
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// Retrieval
offers, err := client.ClientFindData(ctx, fcid)
if err != nil {
t.Fatal(err)
}
if len(offers) < 1 {
t.Fatal("no offers")
}
rpath, err := ioutil.TempDir("", "lotus-retrieve-test-")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(rpath)
caddr, err := client.WalletDefaultAddress(ctx)
if err != nil {
t.Fatal(err)
}
err = client.ClientRetrieve(ctx, offers[0].Order(caddr), filepath.Join(rpath, "ret"))
if err != nil {
t.Fatalf("%+v", err)
}
rdata, err := ioutil.ReadFile(filepath.Join(rpath, "ret"))
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(rdata, data) {
t.Fatal("wrong data retrieved")
}
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mine = false
fmt.Println("shutting down mining")
<-done
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}