feat: plumb through contexts (#42)

go.mod

@@ -3,11 +3,11 @@ module github.com/ipfs/go-ipfs-exchange-offline
 go 1.16
 
 require (
-	github.com/ipfs/go-block-format v0.0.2
-	github.com/ipfs/go-cid v0.0.5
-	github.com/ipfs/go-datastore v0.4.1
-	github.com/ipfs/go-ipfs-blockstore v0.1.3
+	github.com/ipfs/go-block-format v0.0.3
+	github.com/ipfs/go-cid v0.0.7
+	github.com/ipfs/go-datastore v0.5.0
+	github.com/ipfs/go-ipfs-blockstore v0.2.0
 	github.com/ipfs/go-ipfs-blocksutil v0.0.1
-	github.com/ipfs/go-ipfs-exchange-interface v0.0.1
-	github.com/ipfs/go-ipfs-util v0.0.1
+	github.com/ipfs/go-ipfs-exchange-interface v0.1.0
+	github.com/ipfs/go-ipfs-util v0.0.2
 )

go.sum

@@ -1,8 +1,10 @@
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/go-check/check v0.0.0-20180628173108-788fd7840127/go.mod h1:9ES+weclKsC9YodN5RgxqK/VD9HM9JsCSh7rNhMZE98=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/gogo/protobuf v1.2.1 h1:/s5zKNz0uPFCZ5hddgPdo2TK2TVrUNMn0OOX8/aZMTE=
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
+github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
 github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gxed/hashland/keccakpg v0.0.1/go.mod h1:kRzw3HkwxFU1mpmPP8v1WyQzwdGfmKFJ6tItnhQ67kU=
@@ -11,37 +13,41 @@ github.com/hashicorp/golang-lru v0.5.4 h1:YDjusn29QI/Das2iO9M0BHnIbxPeyuCHsjMW+l
 github.com/hashicorp/golang-lru v0.5.4/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4=
 github.com/ipfs/bbloom v0.0.4 h1:Gi+8EGJ2y5qiD5FbsbpX/TMNcJw8gSqr7eyjHa4Fhvs=
 github.com/ipfs/bbloom v0.0.4/go.mod h1:cS9YprKXpoZ9lT0n/Mw/a6/aFV6DTjTLYHeA+gyqMG0=
-github.com/ipfs/go-block-format v0.0.2 h1:qPDvcP19izTjU8rgo6p7gTXZlkMkF5bz5G3fqIsSCPE=
 github.com/ipfs/go-block-format v0.0.2/go.mod h1:AWR46JfpcObNfg3ok2JHDUfdiHRgWhJgCQF+KIgOPJY=
+github.com/ipfs/go-block-format v0.0.3 h1:r8t66QstRp/pd/or4dpnbVfXT5Gt7lOqRvC+/dDTpMc=
+github.com/ipfs/go-block-format v0.0.3/go.mod h1:4LmD4ZUw0mhO+JSKdpWwrzATiEfM7WWgQ8H5l6P8MVk=
 github.com/ipfs/go-cid v0.0.1/go.mod h1:GHWU/WuQdMPmIosc4Yn1bcCT7dSeX4lBafM7iqUPQvM=
-github.com/ipfs/go-cid v0.0.4/go.mod h1:4LLaPOQwmk5z9LBgQnpkivrx8BJjUyGwTXCd5Xfj6+M=
-github.com/ipfs/go-cid v0.0.5 h1:o0Ix8e/ql7Zb5UVUJEUfjsWCIY8t48++9lR8qi6oiJU=
 github.com/ipfs/go-cid v0.0.5/go.mod h1:plgt+Y5MnOey4vO4UlUazGqdbEXuFYitED67FexhXog=
-github.com/ipfs/go-datastore v0.0.1/go.mod h1:d4KVXhMt913cLBEI/PXAy6ko+W7e9AhyAKBGh803qeE=
-github.com/ipfs/go-datastore v0.1.1/go.mod h1:w38XXW9kVFNp57Zj5knbKWM2T+KOZCGDRVNdgPHtbHw=
-github.com/ipfs/go-datastore v0.4.1 h1:W4ZfzyhNi3xmuU5dQhjfuRn/wFuqEE1KnOmmQiOevEY=
-github.com/ipfs/go-datastore v0.4.1/go.mod h1:SX/xMIKoCszPqp+z9JhPYCmoOoXTvaa13XEbGtsFUhA=
-github.com/ipfs/go-ipfs-blockstore v0.1.3 h1:Nc/Uwc8KZgo5PsMUZT/Zt7zc0u/s+b/3c64ChQNttHc=
-github.com/ipfs/go-ipfs-blockstore v0.1.3/go.mod h1:iNWVBoSQ7eMcaGo8+L3pKZABGTdWcqj1/hpoUu5bDps=
+github.com/ipfs/go-cid v0.0.7 h1:ysQJVJA3fNDF1qigJbsSQOdjhVLsOEoPdh0+R97k3jY=
+github.com/ipfs/go-cid v0.0.7/go.mod h1:6Ux9z5e+HpkQdckYoX1PG/6xqKspzlEIR5SDmgqgC/I=
+github.com/ipfs/go-datastore v0.5.0 h1:rQicVCEacWyk4JZ6G5bD9TKR7lZEG1MWcG7UdWYrFAU=
+github.com/ipfs/go-datastore v0.5.0/go.mod h1:9zhEApYMTl17C8YDp7JmU7sQZi2/wqiYh73hakZ90Bk=
+github.com/ipfs/go-detect-race v0.0.1 h1:qX/xay2W3E4Q1U7d9lNs1sU9nvguX0a7319XbyQ6cOk=
+github.com/ipfs/go-detect-race v0.0.1/go.mod h1:8BNT7shDZPo99Q74BpGMK+4D8Mn4j46UU0LZ723meps=
+github.com/ipfs/go-ipfs-blockstore v0.2.0 h1:o/jv4tsJbPVB8niV29DVnJzlR4lp/ksU3CemmdMqprk=
+github.com/ipfs/go-ipfs-blockstore v0.2.0/go.mod h1:SNeEpz/ICnMYZQYr7KNZTjdn7tEPB/99xpe8xI1RW7o=
 github.com/ipfs/go-ipfs-blocksutil v0.0.1 h1:Eh/H4pc1hsvhzsQoMEP3Bke/aW5P5rVM1IWFJMcGIPQ=
 github.com/ipfs/go-ipfs-blocksutil v0.0.1/go.mod h1:Yq4M86uIOmxmGPUHv/uI7uKqZNtLb449gwKqXjIsnRk=
 github.com/ipfs/go-ipfs-delay v0.0.0-20181109222059-70721b86a9a8/go.mod h1:8SP1YXK1M1kXuc4KJZINY3TQQ03J2rwBG9QfXmbRPrw=
-github.com/ipfs/go-ipfs-ds-help v0.0.1 h1:QBg+Ts2zgeemK/dB0saiF/ykzRGgfoFMT90Rzo0OnVU=
-github.com/ipfs/go-ipfs-ds-help v0.0.1/go.mod h1:gtP9xRaZXqIQRh1HRpp595KbBEdgqWFxefeVKOV8sxo=
-github.com/ipfs/go-ipfs-exchange-interface v0.0.1 h1:LJXIo9W7CAmugqI+uofioIpRb6rY30GUu7G6LUfpMvM=
-github.com/ipfs/go-ipfs-exchange-interface v0.0.1/go.mod h1:c8MwfHjtQjPoDyiy9cFquVtVHkO9b9Ob3FG91qJnWCM=
-github.com/ipfs/go-ipfs-util v0.0.1 h1:Wz9bL2wB2YBJqggkA4dD7oSmqB4cAnpNbGrlHJulv50=
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+github.com/ipfs/go-ipfs-ds-help v1.1.0/go.mod h1:YR5+6EaebOhfcqVCyqemItCLthrpVNot+rsOU/5IatU=
+github.com/ipfs/go-ipfs-exchange-interface v0.1.0 h1:TiMekCrOGQuWYtZO3mf4YJXDIdNgnKWZ9IE3fGlnWfo=
+github.com/ipfs/go-ipfs-exchange-interface v0.1.0/go.mod h1:ych7WPlyHqFvCi/uQI48zLZuAWVP5iTQPXEfVaw5WEI=
 github.com/ipfs/go-ipfs-util v0.0.1/go.mod h1:spsl5z8KUnrve+73pOhSVZND1SIxPW5RyBCNzQxlJBc=
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 github.com/ipfs/go-log v0.0.1 h1:9XTUN/rW64BCG1YhPK9Hoy3q8nr4gOmHHBpgFdfw6Lc=
 github.com/ipfs/go-log v0.0.1/go.mod h1:kL1d2/hzSpI0thNYjiKfjanbVNU+IIGA/WnNESY9leM=
 github.com/ipfs/go-metrics-interface v0.0.1 h1:j+cpbjYvu4R8zbleSs36gvB7jR+wsL2fGD6n0jO4kdg=
 github.com/ipfs/go-metrics-interface v0.0.1/go.mod h1:6s6euYU4zowdslK0GKHmqaIZ3j/b/tL7HTWtJ4VPgWY=
-github.com/jbenet/goprocess v0.0.0-20160826012719-b497e2f366b8 h1:bspPhN+oKYFk5fcGNuQzp6IGzYQSenLEgH3s6jkXrWw=
-github.com/jbenet/goprocess v0.0.0-20160826012719-b497e2f366b8/go.mod h1:Ly/wlsjFq/qrU3Rar62tu1gASgGw6chQbSh/XgIIXCY=
+github.com/jbenet/go-cienv v0.1.0/go.mod h1:TqNnHUmJgXau0nCzC7kXWeotg3J9W34CUv5Djy1+FlA=
+github.com/jbenet/goprocess v0.1.4 h1:DRGOFReOMqqDNXwW70QkacFW0YN9QnwLV0Vqk+3oU0o=
+github.com/jbenet/goprocess v0.1.4/go.mod h1:5yspPrukOVuOLORacaBi858NqyClJPQxYZlqdZVfqY4=
 github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
-github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pretty v0.2.0 h1:s5hAObm+yFO5uHYt5dYjxi2rXrsnmRpJx4OYvIWUaQs=
+github.com/kr/pretty v0.2.0/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
@@ -55,45 +61,63 @@ github.com/minio/sha256-simd v0.0.0-20190131020904-2d45a736cd16/go.mod h1:2FMWW+
 github.com/minio/sha256-simd v0.1.1-0.20190913151208-6de447530771 h1:MHkK1uRtFbVqvAgvWxafZe54+5uBxLluGylDiKgdhwo=
 github.com/minio/sha256-simd v0.1.1-0.20190913151208-6de447530771/go.mod h1:B5e1o+1/KgNmWrSQK08Y6Z1Vb5pwIktudl0J58iy0KM=
 github.com/mr-tron/base58 v1.1.0/go.mod h1:xcD2VGqlgYjBdcBLw+TuYLr8afG+Hj8g2eTVqeSzSU8=
-github.com/mr-tron/base58 v1.1.2/go.mod h1:BinMc/sQntlIE1frQmRFPUoPA1Zkr8VRgBdjWI2mNwc=
 github.com/mr-tron/base58 v1.1.3 h1:v+sk57XuaCKGXpWtVBX8YJzO7hMGx4Aajh4TQbdEFdc=
 github.com/mr-tron/base58 v1.1.3/go.mod h1:BinMc/sQntlIE1frQmRFPUoPA1Zkr8VRgBdjWI2mNwc=
 github.com/multiformats/go-base32 v0.0.3 h1:tw5+NhuwaOjJCC5Pp82QuXbrmLzWg7uxlMFp8Nq/kkI=
 github.com/multiformats/go-base32 v0.0.3/go.mod h1:pLiuGC8y0QR3Ue4Zug5UzK9LjgbkL8NSQj0zQ5Nz/AA=
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 golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
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offline.go

@@ -24,13 +24,13 @@ type offlineExchange struct {
 // GetBlock returns nil to signal that a block could not be retrieved for the
 // given key.
 // NB: This function may return before the timeout expires.
-func (e *offlineExchange) GetBlock(_ context.Context, k cid.Cid) (blocks.Block, error) {
-	return e.bs.Get(k)
+func (e *offlineExchange) GetBlock(ctx context.Context, k cid.Cid) (blocks.Block, error) {
+	return e.bs.Get(ctx, k)
 }
 
 // HasBlock always returns nil.
-func (e *offlineExchange) HasBlock(b blocks.Block) error {
-	return e.bs.Put(b)
+func (e *offlineExchange) HasBlock(ctx context.Context, b blocks.Block) error {
+	return e.bs.Put(ctx, b)
 }
 
 // Close always returns nil.
@@ -45,7 +45,7 @@ func (e *offlineExchange) GetBlocks(ctx context.Context, ks []cid.Cid) (<-chan b
 	go func() {
 		defer close(out)
 		for _, k := range ks {
-			hit, err := e.bs.Get(k)
+			hit, err := e.bs.Get(ctx, k)
 			if err != nil {
 				// a long line of misses should abort when context is cancelled.
 				select {

offline_test.go

@@ -28,12 +28,12 @@ func TestHasBlockReturnsNil(t *testing.T) {
 	ex := Exchange(store)
 	block := blocks.NewBlock([]byte("data"))
 
-	err := ex.HasBlock(block)
+	err := ex.HasBlock(context.Background(), block)
 	if err != nil {
 		t.Fail()
 	}
 
-	if _, err := store.Get(block.Cid()); err != nil {
+	if _, err := store.Get(context.Background(), block.Cid()); err != nil {
 		t.Fatal(err)
 	}
 }
@@ -46,7 +46,7 @@ func TestGetBlocks(t *testing.T) {
 	expected := g.Blocks(2)
 
 	for _, b := range expected {
-		if err := ex.HasBlock(b); err != nil {
+		if err := ex.HasBlock(context.Background(), b); err != nil {
 			t.Fail()
 		}
 	}