support making deals with data directly from IPFS nodes

go.mod

@@ -54,6 +54,7 @@ require (
 	github.com/ipfs/go-ipfs-exchange-interface v0.0.1
 	github.com/ipfs/go-ipfs-exchange-offline v0.0.1
 	github.com/ipfs/go-ipfs-files v0.0.7
+	github.com/ipfs/go-ipfs-http-client v0.0.5
 	github.com/ipfs/go-ipfs-routing v0.1.0
 	github.com/ipfs/go-ipld-cbor v0.0.5-0.20200428170625-a0bd04d3cbdf
 	github.com/ipfs/go-ipld-format v0.0.2
@@ -62,13 +63,14 @@ require (
 	github.com/ipfs/go-merkledag v0.2.4
 	github.com/ipfs/go-path v0.0.7
 	github.com/ipfs/go-unixfs v0.2.2-0.20190827150610-868af2e9e5cb
+	github.com/ipfs/interface-go-ipfs-core v0.2.3
 	github.com/ipld/go-ipld-prime v0.0.2-0.20191108012745-28a82f04c785
 	github.com/jbenet/go-temp-err-catcher v0.1.0 // indirect
 	github.com/lib/pq v1.2.0
 	github.com/libp2p/go-eventbus v0.1.0
 	github.com/libp2p/go-libp2p v0.8.1
 	github.com/libp2p/go-libp2p-circuit v0.2.1
-	github.com/libp2p/go-libp2p-connmgr v0.1.0
+	github.com/libp2p/go-libp2p-connmgr v0.1.1
 	github.com/libp2p/go-libp2p-core v0.5.1
 	github.com/libp2p/go-libp2p-discovery v0.3.0
 	github.com/libp2p/go-libp2p-kad-dht v0.7.6

go.sum

@@ -23,6 +23,7 @@ github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWX
 github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
 github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d h1:G0m3OIz70MZUWq3EgK3CesDbo8upS2Vm9/P3FtgI+Jk=
 github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
+github.com/Stebalien/go-bitfield v0.0.0-20180330043415-076a62f9ce6e/go.mod h1:3oM7gXIttpYDAJXpVNnSCiUMYBLIZ6cb1t+Ip982MRo=
 github.com/Stebalien/go-bitfield v0.0.1 h1:X3kbSSPUaJK60wV2hjOPZwmpljr6VGCqdq4cBLhbQBo=
 github.com/Stebalien/go-bitfield v0.0.1/go.mod h1:GNjFpasyUVkHMsfEOk8EFLJ9syQ6SI+XWrX9Wf2XH0s=
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
@@ -36,6 +37,9 @@ github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 h1:xJ4a3vCFaGF/jqvzLMYoU8P317H5OQ+Via4RmuPwCS0=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
+github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
+github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
+github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/btcsuite/btcd v0.0.0-20190213025234-306aecffea32/go.mod h1:DrZx5ec/dmnfpw9KyYoQyYo7d0KEvTkk/5M/vbZjAr8=
 github.com/btcsuite/btcd v0.0.0-20190523000118-16327141da8c/go.mod h1:3J08xEfcugPacsc34/LKRU2yO7YmuT8yt28J8k2+rrI=
 github.com/btcsuite/btcd v0.0.0-20190605094302-a0d1e3e36d50/go.mod h1:3J08xEfcugPacsc34/LKRU2yO7YmuT8yt28J8k2+rrI=
@@ -121,6 +125,8 @@ github.com/elastic/go-windows v1.0.0 h1:qLURgZFkkrYyTTkvYpsZIgf83AUsdIHfvlJaqaZ7
 github.com/elastic/go-windows v1.0.0/go.mod h1:TsU0Nrp7/y3+VwE82FoZF8gC/XFg/Elz6CcloAxnPgU=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
+github.com/facebookgo/atomicfile v0.0.0-20151019160806-2de1f203e7d5 h1:BBso6MBKW8ncyZLv37o+KNyy0HrrHgfnOaGQC2qvN+A=
+github.com/facebookgo/atomicfile v0.0.0-20151019160806-2de1f203e7d5/go.mod h1:JpoxHjuQauoxiFMl1ie8Xc/7TfLuMZ5eOCONd1sUBHg=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fatih/color v1.8.0 h1:5bzFgL+oy7JITMTxUPJ00n7VxmYd/PdMp5mHFX40/RY=
 github.com/fatih/color v1.8.0/go.mod h1:3l45GVGkyrnYNl9HoIjnp2NnNWvh6hLAqD8yTfGjnw8=
@@ -192,6 +198,7 @@ github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2
 github.com/go-kit/kit v0.9.0 h1:wDJmvq38kDhkVxi50ni9ykkdUr1PKgqKOoi01fa0Mdk=
 github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
+github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
 github.com/go-logfmt/logfmt v0.5.0 h1:TrB8swr/68K7m9CcGut2g3UOihhbcbiMAYiuTXdEih4=
 github.com/go-logfmt/logfmt v0.5.0/go.mod h1:wCYkCAKZfumFQihp8CzCvQ3paCTfi41vtzG1KdI/P7A=
 github.com/go-ole/go-ole v1.2.4 h1:nNBDSCOigTSiarFpYE9J/KtEA1IOW4CNeqT9TQDqCxI=
@@ -228,6 +235,7 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/gopacket v1.1.17 h1:rMrlX2ZY2UbvT+sdz3+6J+pp2z+msCq9MxTU6ymxbBY=
 github.com/google/gopacket v1.1.17/go.mod h1:UdDNZ1OO62aGYVnPhxT1U6aI7ukYtA/kB8vaU0diBUM=
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
@@ -249,6 +257,7 @@ github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0U
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/grpc-ecosystem/grpc-gateway v1.14.3 h1:OCJlWkOUoTnl0neNGlf4fUm3TmbEtguw7vR+nGtnDjY=
 github.com/grpc-ecosystem/grpc-gateway v1.14.3/go.mod h1:6CwZWGDSPRJidgKAtJVvND6soZe6fT7iteq8wDPdhb0=
+github.com/gxed/go-shellwords v1.0.3/go.mod h1:N7paucT91ByIjmVJHhvoarjoQnmsi3Jd3vH7VqgtMxQ=
 github.com/gxed/hashland/keccakpg v0.0.1/go.mod h1:kRzw3HkwxFU1mpmPP8v1WyQzwdGfmKFJ6tItnhQ67kU=
 github.com/gxed/hashland/murmur3 v0.0.1/go.mod h1:KjXop02n4/ckmZSnY2+HKcLud/tcmvhST0bie/0lS48=
 github.com/gxed/pubsub v0.0.0-20180201040156-26ebdf44f824/go.mod h1:OiEWyHgK+CWrmOlVquHaIK1vhpUJydC9m0Je6mhaiNE=
@@ -280,6 +289,7 @@ github.com/influxdata/influxdb1-client v0.0.0-20190809212627-fc22c7df067e/go.mod
 github.com/ipfs/bbloom v0.0.1/go.mod h1:oqo8CVWsJFMOZqTglBG4wydCE4IQA/G2/SEofB0rjUI=
 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-bitswap v0.0.3/go.mod h1:jadAZYsP/tcRMl47ZhFxhaNuDQoXawT8iHMg+iFoQbg=
 github.com/ipfs/go-bitswap v0.0.9/go.mod h1:kAPf5qgn2W2DrgAcscZ3HrM9qh4pH+X8Fkk3UPrwvis=
 github.com/ipfs/go-bitswap v0.1.0/go.mod h1:FFJEf18E9izuCqUtHxbWEvq+reg7o4CW5wSAE1wsxj0=
 github.com/ipfs/go-bitswap v0.1.2/go.mod h1:qxSWS4NXGs7jQ6zQvoPY3+NmOfHHG47mhkiLzBpJQIs=
@@ -290,6 +300,7 @@ github.com/ipfs/go-bitswap v0.2.8/go.mod h1:2Yjog0GMdH8+AsxkE0DI9D2mANaUTxbVVav0
 github.com/ipfs/go-block-format v0.0.1/go.mod h1:DK/YYcsSUIVAFNwo/KZCdIIbpN0ROH/baNLgayt4pFc=
 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-blockservice v0.0.3/go.mod h1:/NNihwTi6V2Yr6g8wBI+BSwPuURpBRMtYNGrlxZ8KuI=
 github.com/ipfs/go-blockservice v0.0.7/go.mod h1:EOfb9k/Y878ZTRY/CH0x5+ATtaipfbRhbvNSdgc/7So=
 github.com/ipfs/go-blockservice v0.1.0/go.mod h1:hzmMScl1kXHg3M2BjTymbVPjv627N7sYcvYaKbop39M=
 github.com/ipfs/go-blockservice v0.1.3-0.20190908200855-f22eea50656c/go.mod h1:t+411r7psEUhLueM8C7aPA7cxCclv4O3VsUVxt9kz2I=
@@ -349,6 +360,10 @@ github.com/ipfs/go-ipfs-blocksutil v0.0.1 h1:Eh/H4pc1hsvhzsQoMEP3Bke/aW5P5rVM1IW
 github.com/ipfs/go-ipfs-blocksutil v0.0.1/go.mod h1:Yq4M86uIOmxmGPUHv/uI7uKqZNtLb449gwKqXjIsnRk=
 github.com/ipfs/go-ipfs-chunker v0.0.1 h1:cHUUxKFQ99pozdahi+uSC/3Y6HeRpi9oTeUHbE27SEw=
 github.com/ipfs/go-ipfs-chunker v0.0.1/go.mod h1:tWewYK0we3+rMbOh7pPFGDyypCtvGcBFymgY4rSDLAw=
+github.com/ipfs/go-ipfs-cmds v0.1.0 h1:0CEde9EcxByej8+L6d1PST57J4ambRPyCTjLG5Ymou8=
+github.com/ipfs/go-ipfs-cmds v0.1.0/go.mod h1:TiK4e7/V31tuEb8YWDF8lN3qrnDH+BS7ZqWIeYJlAs8=
+github.com/ipfs/go-ipfs-config v0.0.11 h1:5/4nas2CQXiKr2/MLxU24GDGTBvtstQIQezuk7ltOQQ=
+github.com/ipfs/go-ipfs-config v0.0.11/go.mod h1:wveA8UT5ywN26oKStByzmz1CO6cXwLKKM6Jn/Hfw08I=
 github.com/ipfs/go-ipfs-delay v0.0.0-20181109222059-70721b86a9a8/go.mod h1:8SP1YXK1M1kXuc4KJZINY3TQQ03J2rwBG9QfXmbRPrw=
 github.com/ipfs/go-ipfs-delay v0.0.1 h1:r/UXYyRcddO6thwOnhiznIAiSvxMECGgtv35Xs1IeRQ=
 github.com/ipfs/go-ipfs-delay v0.0.1/go.mod h1:8SP1YXK1M1kXuc4KJZINY3TQQ03J2rwBG9QfXmbRPrw=
@@ -359,11 +374,14 @@ github.com/ipfs/go-ipfs-exchange-interface v0.0.1 h1:LJXIo9W7CAmugqI+uofioIpRb6r
 github.com/ipfs/go-ipfs-exchange-interface v0.0.1/go.mod h1:c8MwfHjtQjPoDyiy9cFquVtVHkO9b9Ob3FG91qJnWCM=
 github.com/ipfs/go-ipfs-exchange-offline v0.0.1 h1:P56jYKZF7lDDOLx5SotVh5KFxoY6C81I1NSHW1FxGew=
 github.com/ipfs/go-ipfs-exchange-offline v0.0.1/go.mod h1:WhHSFCVYX36H/anEKQboAzpUws3x7UeEGkzQc3iNkM0=
+github.com/ipfs/go-ipfs-files v0.0.2/go.mod h1:INEFm0LL2LWXBhNJ2PMIIb2w45hpXgPjNoE7yA8Y1d4=
 github.com/ipfs/go-ipfs-files v0.0.3/go.mod h1:INEFm0LL2LWXBhNJ2PMIIb2w45hpXgPjNoE7yA8Y1d4=
 github.com/ipfs/go-ipfs-files v0.0.4/go.mod h1:INEFm0LL2LWXBhNJ2PMIIb2w45hpXgPjNoE7yA8Y1d4=
 github.com/ipfs/go-ipfs-files v0.0.7 h1:s5BRD12ndahqYifeH1S8Z73zqZhR+3IdKYAG9PiETs0=
 github.com/ipfs/go-ipfs-files v0.0.7/go.mod h1:wiN/jSG8FKyk7N0WyctKSvq3ljIa2NNTiZB55kpTdOs=
 github.com/ipfs/go-ipfs-flags v0.0.1/go.mod h1:RnXBb9WV53GSfTrSDVK61NLTFKvWc60n+K9EgCDh+rA=
+github.com/ipfs/go-ipfs-http-client v0.0.5 h1:niW5M0qqa0O/VRCAzr3f5Y7i3MjTpf0lhpkisjRtHR8=
+github.com/ipfs/go-ipfs-http-client v0.0.5/go.mod h1:8EKP9RGUrUex4Ff86WhnKU7seEBOtjdgXlY9XHYvYMw=
 github.com/ipfs/go-ipfs-posinfo v0.0.1 h1:Esoxj+1JgSjX0+ylc0hUmJCOv6V2vFoZiETLR6OtpRs=
 github.com/ipfs/go-ipfs-posinfo v0.0.1/go.mod h1:SwyeVP+jCwiDu0C313l/8jg6ZxM0qqtlt2a0vILTc1A=
 github.com/ipfs/go-ipfs-pq v0.0.1/go.mod h1:LWIqQpqfRG3fNc5XsnIhz/wQ2XXGyugQwls7BgUmUfY=
@@ -374,6 +392,7 @@ github.com/ipfs/go-ipfs-routing v0.1.0 h1:gAJTT1cEeeLj6/DlLX6t+NxD9fQe2ymTO6qWRD
 github.com/ipfs/go-ipfs-routing v0.1.0/go.mod h1:hYoUkJLyAUKhF58tysKpids8RNDPO42BVMgK5dNsoqY=
 github.com/ipfs/go-ipfs-util v0.0.1 h1:Wz9bL2wB2YBJqggkA4dD7oSmqB4cAnpNbGrlHJulv50=
 github.com/ipfs/go-ipfs-util v0.0.1/go.mod h1:spsl5z8KUnrve+73pOhSVZND1SIxPW5RyBCNzQxlJBc=
+github.com/ipfs/go-ipld-cbor v0.0.1/go.mod h1:RXHr8s4k0NE0TKhnrxqZC9M888QfsBN9rhS5NjfKzY8=
 github.com/ipfs/go-ipld-cbor v0.0.2/go.mod h1:wTBtrQZA3SoFKMVkp6cn6HMRteIB1VsmHA0AQFOn7Nc=
 github.com/ipfs/go-ipld-cbor v0.0.3/go.mod h1:wTBtrQZA3SoFKMVkp6cn6HMRteIB1VsmHA0AQFOn7Nc=
 github.com/ipfs/go-ipld-cbor v0.0.4/go.mod h1:BkCduEx3XBCO6t2Sfo5BaHzuok7hbhdMm9Oh8B2Ftq4=
@@ -397,6 +416,7 @@ github.com/ipfs/go-log/v2 v2.0.2/go.mod h1:O7P1lJt27vWHhOwQmcFEvlmo49ry2VY2+JfBW
 github.com/ipfs/go-log/v2 v2.0.3/go.mod h1:O7P1lJt27vWHhOwQmcFEvlmo49ry2VY2+JfBWFaa9+0=
 github.com/ipfs/go-log/v2 v2.0.5 h1:fL4YI+1g5V/b1Yxr1qAiXTMg1H8z9vx/VmJxBuQMHvU=
 github.com/ipfs/go-log/v2 v2.0.5/go.mod h1:eZs4Xt4ZUJQFM3DlanGhy7TkwwawCZcSByscwkWG+dw=
+github.com/ipfs/go-merkledag v0.0.3/go.mod h1:Oc5kIXLHokkE1hWGMBHw+oxehkAaTOqtEb7Zbh6BhLA=
 github.com/ipfs/go-merkledag v0.0.6/go.mod h1:QYPdnlvkOg7GnQRofu9XZimC5ZW5Wi3bKys/4GQQfto=
 github.com/ipfs/go-merkledag v0.1.0/go.mod h1:SQiXrtSts3KGNmgOzMICy5c0POOpUNQLvB3ClKnBAlk=
 github.com/ipfs/go-merkledag v0.2.3/go.mod h1:SQiXrtSts3KGNmgOzMICy5c0POOpUNQLvB3ClKnBAlk=
@@ -404,6 +424,7 @@ github.com/ipfs/go-merkledag v0.2.4 h1:ZSHQSe9BENfixUjT+MaLeHEeZGxrZQfgo3KT3SLos
 github.com/ipfs/go-merkledag v0.2.4/go.mod h1:SQiXrtSts3KGNmgOzMICy5c0POOpUNQLvB3ClKnBAlk=
 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/ipfs/go-path v0.0.3/go.mod h1:zIRQUez3LuQIU25zFjC2hpBTHimWx7VK5bjZgRLbbdo=
 github.com/ipfs/go-path v0.0.7 h1:H06hKMquQ0aYtHiHryOMLpQC1qC3QwXwkahcEVD51Ho=
 github.com/ipfs/go-path v0.0.7/go.mod h1:6KTKmeRnBXgqrTvzFrPV3CamxcgvXX/4z79tfAd2Sno=
 github.com/ipfs/go-peertaskqueue v0.0.4/go.mod h1:03H8fhyeMfKNFWqzYEVyMbcPUeYrqP1MX6Kd+aN+rMQ=
@@ -412,10 +433,18 @@ github.com/ipfs/go-peertaskqueue v0.1.1/go.mod h1:Jmk3IyCcfl1W3jTW3YpghSwSEC6IJ3
 github.com/ipfs/go-peertaskqueue v0.2.0 h1:2cSr7exUGKYyDeUyQ7P/nHPs9P7Ht/B+ROrpN1EJOjc=
 github.com/ipfs/go-peertaskqueue v0.2.0/go.mod h1:5/eNrBEbtSKWCG+kQK8K8fGNixoYUnr+P7jivavs9lY=
 github.com/ipfs/go-todocounter v0.0.1/go.mod h1:l5aErvQc8qKE2r7NDMjmq5UNAvuZy0rC8BHOplkWvZ4=
+github.com/ipfs/go-unixfs v0.0.4/go.mod h1:eIo/p9ADu/MFOuyxzwU+Th8D6xoxU//r590vUpWyfz8=
+github.com/ipfs/go-unixfs v0.2.1/go.mod h1:IwAAgul1UQIcNZzKPYZWOCijryFBeCV79cNubPzol+k=
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@@ -450,6 +479,8 @@ github.com/joeshaw/multierror v0.0.0-20140124173710-69b34d4ec901/go.mod h1:Z86h9
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@@ -480,6 +511,7 @@ github.com/libp2p/go-buffer-pool v0.0.1/go.mod h1:xtyIz9PMobb13WaxR6Zo1Pd1zXJKYg
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@@ -491,11 +523,14 @@ github.com/libp2p/go-flow-metrics v0.0.1/go.mod h1:Iv1GH0sG8DtYN3SVJ2eG221wMiNpZ
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@@ -503,6 +538,7 @@ github.com/libp2p/go-libp2p v0.7.0/go.mod h1:hZJf8txWeCduQRDC/WSqBGMxaTHCOYHt2xS
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@@ -510,19 +546,24 @@ github.com/libp2p/go-libp2p-autonat v0.2.0/go.mod h1:DX+9teU4pEEoZUqR1PiMlqliONQ
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@@ -531,6 +572,7 @@ github.com/libp2p/go-libp2p-core v0.0.6/go.mod h1:0d9xmaYAVY5qmbp/fcgxHT3ZJsLjYe
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@@ -543,6 +585,8 @@ github.com/libp2p/go-libp2p-crypto v0.0.1/go.mod h1:yJkNyDmO341d5wwXxDUGO0LykUVT
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@@ -555,9 +599,11 @@ github.com/libp2p/go-libp2p-interface-connmgr v0.0.4/go.mod h1:GarlRLH0LdeWcLnYM
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@@ -570,6 +616,7 @@ github.com/libp2p/go-libp2p-mplex v0.2.1/go.mod h1:SC99Rxs8Vuzrf/6WhmH41kNn13TiY
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@@ -599,6 +646,7 @@ github.com/libp2p/go-libp2p-pnet v0.2.0/go.mod h1:Qqvq6JH/oMZGwqs3N1Fqhv8NVhrdYc
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@@ -613,6 +661,7 @@ github.com/libp2p/go-libp2p-routing v0.1.0/go.mod h1:zfLhI1RI8RLEzmEaaPwzonRvXee
 github.com/libp2p/go-libp2p-routing-helpers v0.1.0/go.mod h1:oUs0h39vNwYtYXnQWOTU5BaafbedSyWCCal3gqHuoOQ=
 github.com/libp2p/go-libp2p-routing-helpers v0.2.1 h1:tV5fxxkl1cEEFXIv9yl5OGbLjEwngtq1qf5G/beLRvQ=
 github.com/libp2p/go-libp2p-routing-helpers v0.2.1/go.mod h1:rTLUHlGDZbXHANJAWP2xW7ruPNJLj41/GnCBiR+qgjU=
+github.com/libp2p/go-libp2p-secio v0.0.1/go.mod h1:IdG6iQybdcYmbTzxp4J5dwtUEDTOvZrT0opIDVNPrJs=
 github.com/libp2p/go-libp2p-secio v0.0.3/go.mod h1:hS7HQ00MgLhRO/Wyu1bTX6ctJKhVpm+j2/S2A5UqYb0=
 github.com/libp2p/go-libp2p-secio v0.1.0/go.mod h1:tMJo2w7h3+wN4pgU2LSYeiKPrfqBgkOsdiKK77hE7c8=
 github.com/libp2p/go-libp2p-secio v0.1.1/go.mod h1:tMJo2w7h3+wN4pgU2LSYeiKPrfqBgkOsdiKK77hE7c8=
@@ -620,10 +669,12 @@ github.com/libp2p/go-libp2p-secio v0.2.0/go.mod h1:2JdZepB8J5V9mBp79BmwsaPQhRPNN
 github.com/libp2p/go-libp2p-secio v0.2.1/go.mod h1:cWtZpILJqkqrSkiYcDBh5lA3wbT2Q+hz3rJQq3iftD8=
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@@ -640,6 +691,7 @@ github.com/libp2p/go-libp2p-tls v0.1.3/go.mod h1:wZfuewxOndz5RTnCAxFliGjvYSDA40s
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@@ -656,12 +708,14 @@ github.com/libp2p/go-maddr-filter v0.0.1/go.mod h1:6eT12kSQMA9x2pvFQa+xesMKUBlj9
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@@ -678,6 +732,7 @@ github.com/libp2p/go-openssl v0.0.4 h1:d27YZvLoTyMhIN4njrkr8zMDOM4lfpHIp6A+TK9fo
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@@ -688,6 +743,7 @@ github.com/libp2p/go-stream-muxer v0.1.0/go.mod h1:8JAVsjeRBCWwPoZeH0W1imLOcriqX
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@@ -695,6 +751,7 @@ github.com/libp2p/go-tcp-transport v0.2.0 h1:YoThc549fzmNJIh7XjHVtMIFaEDRtIrtWci
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@@ -730,6 +787,7 @@ github.com/mattn/go-runewidth v0.0.7/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m
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@@ -743,6 +801,10 @@ github.com/minio/sha256-simd v0.1.1/go.mod h1:B5e1o+1/KgNmWrSQK08Y6Z1Vb5pwIktudl
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@@ -761,6 +823,7 @@ github.com/multiformats/go-multiaddr v0.2.1/go.mod h1:s/Apk6IyxfvMjDafnhJgJ3/46z
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@@ -778,6 +841,7 @@ github.com/multiformats/go-multibase v0.0.1/go.mod h1:bja2MqRZ3ggyXtZSEDKpl0uO/g
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@@ -835,21 +899,33 @@ github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXP
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 github.com/prometheus/procfs v0.0.0-20190425082905-87a4384529e0/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
+github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
+github.com/prometheus/procfs v0.0.3 h1:CTwfnzjQ+8dS6MhHHu4YswVAD99sL2wjPqP+VkURmKE=
+github.com/prometheus/procfs v0.0.3/go.mod h1:4A/X28fw3Fc593LaREMrKMqOKvUAntwMDaekg4FpcdQ=
 github.com/rcrowley/go-metrics v0.0.0-20181016184325-3113b8401b8a/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
+github.com/rs/cors v1.6.0 h1:G9tHG9lebljV9mfp9SNPDL36nCDxmo3zTlAf1YgvzmI=
+github.com/rs/cors v1.6.0/go.mod h1:gFx+x8UowdsKA9AchylcLynDq+nNFfI8FkUZdN/jGCU=
 github.com/russross/blackfriday v1.5.2 h1:HyvC0ARfnZBqnXwABFeSZHpKvJHJJfPz81GNueLj0oo=
 github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
 github.com/russross/blackfriday/v2 v2.0.1 h1:lPqVAte+HuHNfhJ/0LC98ESWRz8afy9tM/0RK8m9o+Q=
@@ -893,6 +969,7 @@ github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81P
 github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/syndtr/goleveldb v1.0.0/go.mod h1:ZVVdQEZoIme9iO1Ch2Jdy24qqXrMMOU6lpPAyBWyWuQ=
+github.com/texttheater/golang-levenshtein v0.0.0-20180516184445-d188e65d659e/go.mod h1:XDKHRm5ThF8YJjx001LtgelzsoaEcvnA7lVWz9EeX3g=
 github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
 github.com/urfave/cli v1.20.0 h1:fDqGv3UG/4jbVl/QkFwEdddtEDjh/5Ov6X+0B/3bPaw=
 github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
@@ -922,6 +999,7 @@ github.com/whyrusleeping/cbor-gen v0.0.0-20200414195334-429a0b5e922e h1:JY8o/ebU
 github.com/whyrusleeping/cbor-gen v0.0.0-20200414195334-429a0b5e922e/go.mod h1:Xj/M2wWU+QdTdRbu/L/1dIZY8/Wb2K9pAhtroQuxJJI=
 github.com/whyrusleeping/chunker v0.0.0-20181014151217-fe64bd25879f h1:jQa4QT2UP9WYv2nzyawpKMOCl+Z/jW7djv2/J50lj9E=
 github.com/whyrusleeping/chunker v0.0.0-20181014151217-fe64bd25879f/go.mod h1:p9UJB6dDgdPgMJZs7UjUOdulKyRr9fqkS+6JKAInPy8=
+github.com/whyrusleeping/go-ctrlnet v0.0.0-20180313164037-f564fbbdaa95/go.mod h1:SJqKCCPXRfBFCwXjfNT/skfsceF7+MBFLI2OrvuRA7g=
 github.com/whyrusleeping/go-keyspace v0.0.0-20160322163242-5b898ac5add1 h1:EKhdznlJHPMoKr0XTrX+IlJs1LH3lyx2nfr1dOlZ79k=
 github.com/whyrusleeping/go-keyspace v0.0.0-20160322163242-5b898ac5add1/go.mod h1:8UvriyWtv5Q5EOgjHaSseUEdkQfvwFv1I/In/O2M9gc=
 github.com/whyrusleeping/go-logging v0.0.0-20170515211332-0457bb6b88fc/go.mod h1:bopw91TMyo8J3tvftk8xmU2kPmlrt4nScJQZU2hE5EM=
@@ -930,6 +1008,7 @@ github.com/whyrusleeping/go-notifier v0.0.0-20170827234753-097c5d47330f/go.mod h
 github.com/whyrusleeping/go-smux-multiplex v3.0.16+incompatible/go.mod h1:34LEDbeKFZInPUrAG+bjuJmUXONGdEFW7XL0SpTY1y4=
 github.com/whyrusleeping/go-smux-multistream v2.0.2+incompatible/go.mod h1:dRWHHvc4HDQSHh9gbKEBbUZ+f2Q8iZTPG3UOGYODxSQ=
 github.com/whyrusleeping/go-smux-yamux v2.0.8+incompatible/go.mod h1:6qHUzBXUbB9MXmw3AUdB52L8sEb/hScCqOdW2kj/wuI=
+github.com/whyrusleeping/go-smux-yamux v2.0.9+incompatible/go.mod h1:6qHUzBXUbB9MXmw3AUdB52L8sEb/hScCqOdW2kj/wuI=
 github.com/whyrusleeping/mafmt v1.2.8 h1:TCghSl5kkwEE0j+sU/gudyhVMRlpBin8fMBBHg59EbA=
 github.com/whyrusleeping/mafmt v1.2.8/go.mod h1:faQJFPbLSxzD9xpA02ttW/tS9vZykNvXwGvqIpk20FA=
 github.com/whyrusleeping/mdns v0.0.0-20180901202407-ef14215e6b30/go.mod h1:j4l84WPFclQPj320J9gp0XwNKBb3U0zt5CBqjPp22G4=
@@ -1004,6 +1083,7 @@ golang.org/x/crypto v0.0.0-20190530122614-20be4c3c3ed5/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190618222545-ea8f1a30c443/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20190923035154-9ee001bba392/go.mod h1:/lpIB1dKB+9EgE3H3cr1v9wB50oz8l4C4h62xy7jSTY=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200128174031-69ecbb4d6d5d/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
@@ -1040,6 +1120,7 @@ golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
 golang.org/x/net v0.0.0-20190611141213-3f473d35a33a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@@ -1079,6 +1160,7 @@ golang.org/x/sys v0.0.0-20190526052359-791d8a0f4d09/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190610200419-93c9922d18ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190801041406-cbf593c0f2f3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190922100055-0a153f010e69/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=

lib/bufbstore/buf_bstore.go

@@ -31,6 +31,13 @@ func NewBufferedBstore(base bstore.Blockstore) *BufferedBS {
 	}
 }
 
+func NewTieredBstore(r bstore.Blockstore, w bstore.Blockstore) *BufferedBS {
+	return &BufferedBS{
+		read:  r,
+		write: w,
+	}
+}
+
 var _ (bstore.Blockstore) = &BufferedBS{}
 
 func (bs *BufferedBS) AllKeysChan(ctx context.Context) (<-chan cid.Cid, error) {

lib/ipfsbstore/ipfsbstore.go

@@ -0,0 +1,106 @@
+package ipfsbstore
+
+import (
+	"bytes"
+	"context"
+	"io/ioutil"
+
+	"golang.org/x/xerrors"
+
+	"github.com/multiformats/go-multihash"
+
+	blocks "github.com/ipfs/go-block-format"
+	"github.com/ipfs/go-cid"
+	blockstore "github.com/ipfs/go-ipfs-blockstore"
+	httpapi "github.com/ipfs/go-ipfs-http-client"
+	iface "github.com/ipfs/interface-go-ipfs-core"
+	"github.com/ipfs/interface-go-ipfs-core/options"
+	"github.com/ipfs/interface-go-ipfs-core/path"
+)
+
+type IpfsBstore struct {
+	ctx context.Context
+	api iface.CoreAPI
+}
+
+func NewIpfsBstore(ctx context.Context) (*IpfsBstore, error) {
+	api, err := httpapi.NewLocalApi()
+	if err != nil {
+		return nil, xerrors.Errorf("getting local ipfs api: %w", err)
+	}
+
+	return &IpfsBstore{
+		ctx: ctx,
+		api: api,
+	}, nil
+}
+
+func (i *IpfsBstore) DeleteBlock(cid cid.Cid) error {
+	return xerrors.Errorf("not supported")
+}
+
+func (i *IpfsBstore) Has(cid cid.Cid) (bool, error) {
+	_, err := i.api.Block().Stat(i.ctx, path.IpldPath(cid))
+	if err != nil {
+		return false, xerrors.Errorf("getting ipfs block: %w", err)
+	}
+
+	return true, nil
+}
+
+func (i *IpfsBstore) Get(cid cid.Cid) (blocks.Block, error) {
+	rd, err := i.api.Block().Get(i.ctx, path.IpldPath(cid))
+	if err != nil {
+		return nil, xerrors.Errorf("getting ipfs block: %w", err)
+	}
+
+	data, err := ioutil.ReadAll(rd)
+	if err != nil {
+		return nil, err
+	}
+
+	return blocks.NewBlockWithCid(data, cid)
+}
+
+func (i *IpfsBstore) GetSize(cid cid.Cid) (int, error) {
+	st, err := i.api.Block().Stat(i.ctx, path.IpldPath(cid))
+	if err != nil {
+		return 0, xerrors.Errorf("getting ipfs block: %w", err)
+	}
+
+	return st.Size(), nil
+}
+
+func (i *IpfsBstore) Put(block blocks.Block) error {
+	mhd, err := multihash.Decode(block.Cid().Hash())
+	if err != nil {
+		return err
+	}
+
+	_, err = i.api.Block().Put(i.ctx, bytes.NewReader(block.RawData()),
+		options.Block.Hash(mhd.Code, mhd.Length),
+		options.Block.Format(cid.CodecToStr[block.Cid().Type()]))
+	return err
+}
+
+func (i *IpfsBstore) PutMany(blocks []blocks.Block) error {
+	// TODO: could be done in parallel
+
+	for _, block := range blocks {
+		if err := i.Put(block); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (i *IpfsBstore) AllKeysChan(ctx context.Context) (<-chan cid.Cid, error) {
+	return nil, xerrors.Errorf("not supported")
+}
+
+func (i *IpfsBstore) HashOnRead(enabled bool) {
+	return // TODO: We could technically support this, but..
+}
+
+var _ blockstore.Blockstore = &IpfsBstore{}

node/builder.go

@@ -370,6 +370,10 @@ func ConfigFullNode(c interface{}) Option {
 
 	return Options(
 		ConfigCommon(&cfg.Common),
+		If(cfg.Client.UseIpfs,
+			Override(new(dtypes.ClientBlockstore), modules.IpfsClientBlockstore),
+		),
+
 		If(cfg.Metrics.HeadNotifs,
 			Override(HeadMetricsKey, metrics.SendHeadNotifs(cfg.Metrics.Nickname)),
 		),
@@ -406,9 +410,6 @@ func Repo(r repo.Repo) Option {
 		return Options(
 			Override(new(repo.LockedRepo), modules.LockedRepo(lr)), // module handles closing
 
-			ApplyIf(isType(repo.FullNode), ConfigFullNode(c)),
-			ApplyIf(isType(repo.StorageMiner), ConfigStorageMiner(c)),
-
 			Override(new(dtypes.MetadataDS), modules.Datastore),
 			Override(new(dtypes.ChainBlockstore), modules.ChainBlockstore),
 
@@ -423,6 +424,9 @@ func Repo(r repo.Repo) Option {
 			Override(new(types.KeyStore), modules.KeyStore),
 
 			Override(new(*dtypes.APIAlg), modules.APISecret),
+
+			ApplyIf(isType(repo.FullNode), ConfigFullNode(c)),
+			ApplyIf(isType(repo.StorageMiner), ConfigStorageMiner(c)),
 		)(settings)
 	}
 }

node/config/def.go

@@ -16,6 +16,7 @@ type Common struct {
 // FullNode is a full node config
 type FullNode struct {
 	Common
+	Client  Client
 	Metrics Metrics
 }
 
@@ -54,6 +55,10 @@ type Metrics struct {
 	PubsubTracing bool
 }
 
+type Client struct {
+	UseIpfs bool
+}
+
 func defCommon() Common {
 	return Common{
 		API: API{

node/modules/ipfsclient.go

@@ -0,0 +1,26 @@
+package modules
+
+import (
+	"go.uber.org/fx"
+	"golang.org/x/xerrors"
+
+	"github.com/ipfs/go-filestore"
+	blockstore "github.com/ipfs/go-ipfs-blockstore"
+
+	"github.com/filecoin-project/lotus/lib/bufbstore"
+	"github.com/filecoin-project/lotus/lib/ipfsbstore"
+	"github.com/filecoin-project/lotus/node/modules/dtypes"
+	"github.com/filecoin-project/lotus/node/modules/helpers"
+)
+
+func IpfsClientBlockstore(mctx helpers.MetricsCtx, lc fx.Lifecycle, fstore dtypes.ClientFilestore) (dtypes.ClientBlockstore, error) {
+	ipfsbs, err := ipfsbstore.NewIpfsBstore(helpers.LifecycleCtx(mctx, lc))
+	if err != nil {
+		return nil, xerrors.Errorf("constructing ipfs blockstore: %w", err)
+	}
+
+	return bufbstore.NewTieredBstore(
+			ipfsbs,
+			blockstore.NewIdStore((*filestore.Filestore)(fstore)),
+		), nil
+}