feat(pieceio): complete extraction

complete extracting PieceIO from go-fil-markets

Author: hannahhoward

go.mod

@@ -5,11 +5,18 @@ go 1.15
 require (
 	github.com/filecoin-project/filecoin-ffi v0.30.4-0.20200910194244-f640612a1a1f
 	github.com/filecoin-project/go-fil-commcid v0.0.0-20201016201715-d41df56b4f6a
+	github.com/filecoin-project/go-fil-markets v1.0.5-0.20201113164554-c5eba40d5335
+	github.com/filecoin-project/go-multistore v0.0.3
 	github.com/filecoin-project/go-padreader v0.0.0-20200903213702-ed5fae088b20
 	github.com/filecoin-project/go-state-types v0.0.0-20201102161440-c8033295a1fc
-	github.com/filecoin-project/lotus v1.2.0
+	github.com/ipfs/go-block-format v0.0.2
 	github.com/ipfs/go-cid v0.0.7
+	github.com/ipfs/go-datastore v0.4.5
+	github.com/ipfs/go-ipfs-blockstore v1.0.3
 	github.com/ipfs/go-log/v2 v2.1.2-0.20200626104915-0016c0b4b3e4
+	github.com/ipfs/go-merkledag v0.3.2
+	github.com/ipld/go-car v0.1.1-0.20201119040415-11b6074b6d4d
+	github.com/ipld/go-ipld-prime v0.5.1-0.20201021195245-109253e8a018
 	github.com/stretchr/testify v1.6.1
 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1
 )

go.sum

@@ -6,7 +6,7 @@ storing pieces for storage market deals. It is used by the
 
 ## Installation
 ```bash
-go get github.com/filecoin-project/go-fil-markets/pieceio
+go get github.com/filecoin-project/go-commp-utils/pieceio
 ```
 
 ## PieceIO
@@ -23,24 +23,6 @@ func NewPieceIO(carIO CarIO, bs blockstore.Blockstore) PieceIO
 * `bs` is an IPFS blockstore for storing and retrieving data for deals. See
  [github.com/ipfs/go-ipfs-blockstore](github.com/ipfs/go-ipfs-blockstore).
 
-## PieceIOWithStore
-`PieceIOWithStore` is `PieceIO` with a [`filestore`](../filestore). It is used by 
-[`storagemarket`](../storagemarket) provider to store pieces, and to generate and store piece commitments
- and piece metadata for deals. 
- 
-**To initialize a PieceIOWithStore:**
-
-```go
-package pieceio
-
-func NewPieceIOWithStore(carIO CarIO, store filestore.FileStore, bs blockstore.Blockstore) PieceIOWithStore
-```
-**Parameters**
-* `carIO` is a [CarIO](#CarIO) from this module
-* `store` is a [FileStore](../filestore) from this go-fil-markets repo.
-* `bs` is an IPFS blockstore for storing and retrieving data for deals. See
- [github.com/ipfs/go-ipfs-blockstore](github.com/ipfs/go-ipfs-blockstore).
-
 ## CarIO
 CarIO is a utility module that wraps [github.com/ipld/go-car](https://github.com/ipld/go-car) for use by storagemarket.
 

pieceio/README.md

@@ -9,7 +9,7 @@ import (
 	"github.com/ipld/go-car"
 	"github.com/ipld/go-ipld-prime"
 
-	"github.com/filecoin-project/go-fil-markets/pieceio"
+	"github.com/filecoin-project/go-commp-utils/pieceio"
 )
 
 type carIO struct {

pieceio/cario/cario.go

@@ -8,9 +8,9 @@ import (
 
 	"github.com/ipfs/go-cid"
 	blockstore "github.com/ipfs/go-ipfs-blockstore"
+	logging "github.com/ipfs/go-log/v2"
 	"github.com/ipld/go-car"
 	"github.com/ipld/go-ipld-prime"
-	"github.com/prometheus/common/log"
 	"golang.org/x/xerrors"
 
 	ffi "github.com/filecoin-project/filecoin-ffi"
@@ -19,6 +19,8 @@ import (
 	"github.com/filecoin-project/go-state-types/abi"
 )
 
+var log = logging.Logger("pieceio")
+
 type PreparedCar interface {
 	Size() uint64
 	Dump(w io.Writer) error

pieceio/mocks/CarIO.go

@@ -20,9 +20,9 @@ import (
 	"github.com/filecoin-project/go-padreader"
 	"github.com/filecoin-project/go-state-types/abi"
 
-	"github.com/filecoin-project/go-fil-markets/pieceio"
-	"github.com/filecoin-project/go-fil-markets/pieceio/cario"
-	pmocks "github.com/filecoin-project/go-fil-markets/pieceio/mocks"
+	"github.com/filecoin-project/go-commp-utils/pieceio"
+	"github.com/filecoin-project/go-commp-utils/pieceio/cario"
+	pmocks "github.com/filecoin-project/go-commp-utils/pieceio/mocks"
 )
 
 func Test_ThereAndBackAgain(t *testing.T) {