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client deal: Cache CommD when creating multiple deals
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| package client | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "crypto/rand" | ||
| "fmt" | ||
| "io" | ||
| "io/ioutil" | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/require" | ||
|
|
||
| "github.com/filecoin-project/go-padreader" | ||
| "github.com/filecoin-project/go-state-types/abi" | ||
|
|
||
| "github.com/filecoin-project/lotus/extern/sector-storage/ffiwrapper" | ||
| "github.com/filecoin-project/lotus/extern/sector-storage/zerocomm" | ||
| ) | ||
|
|
||
| func TestClientDealPieceCIDZero(t *testing.T) { | ||
| for i, s := range []struct { | ||
| writes []int | ||
| expect abi.PaddedPieceSize | ||
| }{ | ||
| {writes: []int{200}, expect: 256}, | ||
| {writes: []int{200, 200}, expect: 512}, | ||
|
|
||
| {writes: []int{int(commPBuf)}, expect: commPBufPad}, | ||
| {writes: []int{int(commPBuf) * 2}, expect: 2 * commPBufPad}, | ||
| {writes: []int{int(commPBuf), int(commPBuf), int(commPBuf)}, expect: 4 * commPBufPad}, | ||
| {writes: []int{int(commPBuf), int(commPBuf), int(commPBuf), int(commPBuf), int(commPBuf), int(commPBuf), int(commPBuf), int(commPBuf), int(commPBuf)}, expect: 16 * commPBufPad}, | ||
|
|
||
| {writes: []int{200, int(commPBuf)}, expect: 2 * commPBufPad}, | ||
| } { | ||
| t.Run(fmt.Sprintf("%d", i), func(t *testing.T) { | ||
| w := &commPWriter{} | ||
| var rawSum int64 | ||
| for _, write := range s.writes { | ||
| rawSum += int64(write) | ||
| _, err := w.Write(make([]byte, write)) | ||
| require.NoError(t, err) | ||
| } | ||
|
|
||
| p, err := w.Sum() | ||
| require.NoError(t, err) | ||
| require.Equal(t, rawSum, p.PayloadSize) | ||
| require.Equal(t, s.expect, p.PieceSize) | ||
| require.Equal(t, zerocomm.ZeroPieceCommitment(s.expect.Unpadded()).String(), p.PieceCID.String()) | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| func TestClientDealPieceCIDData(t *testing.T) { | ||
| dataLen := float64(commPBuf) * 6.78 | ||
| data, _ := ioutil.ReadAll(io.LimitReader(rand.Reader, int64(dataLen))) | ||
|
|
||
| pr, sz := padreader.New(bytes.NewReader(data), uint64(dataLen)) | ||
| exp, err := ffiwrapper.GeneratePieceCIDFromFile(abi.RegisteredSealProof_StackedDrg32GiBV1, pr, sz) | ||
| require.NoError(t, err) | ||
|
|
||
| w := &commPWriter{} | ||
| _, err = io.Copy(w, bytes.NewReader(data)) | ||
| require.NoError(t, err) | ||
|
|
||
| res, err := w.Sum() | ||
| require.NoError(t, err) | ||
|
|
||
| require.Equal(t, exp.String(), res.PieceCID.String()) | ||
| } | ||
|
|
||
| func BenchmarkClientDealPieceCIDZero(b *testing.B) { | ||
| buf := make([]byte, int(commPBuf)*b.N) | ||
| b.SetBytes(int64(commPBuf)) | ||
| b.ResetTimer() | ||
|
|
||
| w := &commPWriter{} | ||
|
|
||
| _, err := w.Write(buf) | ||
| require.NoError(b, err) | ||
| o, err := w.Sum() | ||
|
|
||
| b.StopTimer() | ||
|
|
||
| require.NoError(b, err) | ||
| require.Equal(b, zerocomm.ZeroPieceCommitment(o.PieceSize.Unpadded()).String(), o.PieceCID.String()) | ||
| require.Equal(b, int64(commPBuf)*int64(b.N), o.PayloadSize) | ||
| } |