Implement mailserver Deliver() with MessagesRequest (#1653)

The main difference is that it takes `whisper.MessagesRequest` as an argument instead of `whisper.Envelope`.

go.mod

@@ -28,7 +28,7 @@ require (
 	github.com/status-im/migrate/v4 v4.6.2-status.2
 	github.com/status-im/rendezvous v1.3.0
 	github.com/status-im/status-protocol-go v0.4.4-0.20191102185313-c99310ece510
-	github.com/status-im/whisper v1.5.1
+	github.com/status-im/whisper v1.5.2
 	github.com/stretchr/testify v1.4.0
 	github.com/syndtr/goleveldb v1.0.0
 	go.uber.org/zap v1.10.0

go.sum

@@ -15,19 +15,16 @@ github.com/DATA-DOG/go-sqlmock v1.3.3/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q
 github.com/Kubuxu/go-os-helper v0.0.1/go.mod h1:N8B+I7vPCT80IcP58r50u4+gEEcsZETFUpAzWW2ep1Y=
 github.com/Microsoft/go-winio v0.4.11 h1:zoIOcVf0xPN1tnMVbTtEdI+P8OofVk3NObnwOQ6nK2Q=
 github.com/Microsoft/go-winio v0.4.11/go.mod h1:VhR8bwka0BXejwEJY73c50VrPtXAaKcyvVC4A4RozmA=
-github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5 h1:TngWCqHvy9oXAN6lEVMRuU21PR1EtLVZJmdB18Gu3Rw=
 github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5/go.mod h1:lmUJ/7eu/Q8D7ML55dXQrVaamCz2vxCfdQBasLZfHKk=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
 github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
-github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6 h1:fLjPD/aNc3UIOA6tDi6QXUemppXK3P9BI7mr2hd6gx8=
 github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/allegro/bigcache v0.0.0-20190218064605-e24eb225f156 h1:hh7BAWFHv41r0gce0KRYtDJpL4erKfmB1/mpgoSADeI=
 github.com/allegro/bigcache v0.0.0-20190218064605-e24eb225f156/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
 github.com/allegro/bigcache v1.1.0/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
 github.com/allegro/bigcache v1.2.0 h1:qDaE0QoF29wKBb3+pXFrJFy1ihe5OT9OiXhg1t85SxM=
@@ -55,7 +52,6 @@ github.com/btcsuite/btcd v0.0.0-20181013004428-67e573d211ac/go.mod h1:Dmm/EzmjnC
 github.com/btcsuite/btcd v0.0.0-20190213025234-306aecffea32/go.mod h1:DrZx5ec/dmnfpw9KyYoQyYo7d0KEvTkk/5M/vbZjAr8=
 github.com/btcsuite/btcd v0.0.0-20190418232430-6867ff32788a/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 v0.0.0-20190824003749-130ea5bddde3 h1:A/EVblehb75cUgXA5njHPn0kLAsykn6mJGz7rnmW5W0=
 github.com/btcsuite/btcd v0.0.0-20190824003749-130ea5bddde3/go.mod h1:3J08xEfcugPacsc34/LKRU2yO7YmuT8yt28J8k2+rrI=
 github.com/btcsuite/btcd v0.0.0-20191011042131-c3151ef50de9 h1:wYYywOGk2jIXV+yt1zIiKl64c/4WLKMh4KET7K8FXFY=
 github.com/btcsuite/btcd v0.0.0-20191011042131-c3151ef50de9/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
@@ -70,7 +66,6 @@ github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtE
 github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs=
 github.com/cenkalti/backoff/v3 v3.0.0 h1:ske+9nBpD9qZsTBoF41nW5L+AIuFBKMeze18XQ3eG1c=
 github.com/cenkalti/backoff/v3 v3.0.0/go.mod h1:cIeZDE3IrqwwJl6VUwCN6trj1oXrTS4rc0ij+ULvLYs=
-github.com/cespare/cp v0.1.0 h1:SE+dxFebS7Iik5LK0tsi1k9ZCxEaFX4AjQmoyA+1dJk=
 github.com/cespare/cp v0.1.0/go.mod h1:SOGHArjBr4JWaSDEVpWpo/hNg6RoKrls6Oh40hiwW+s=
 github.com/cespare/cp v1.1.1 h1:nCb6ZLdB7NRaqsm91JtQTAme2SKJzXVsdPIPkyJr1MU=
 github.com/cespare/cp v1.1.1/go.mod h1:SOGHArjBr4JWaSDEVpWpo/hNg6RoKrls6Oh40hiwW+s=
@@ -82,7 +77,6 @@ github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDk
 github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ=
 github.com/cockroachdb/cockroach-go v0.0.0-20181001143604-e0a95dfd547c/go.mod h1:XGLbWH/ujMcbPbhZq52Nv6UrCghb1yGn//133kEsvDk=
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
-github.com/containerd/containerd v1.2.7 h1:8lqLbl7u1j3MmiL9cJ/O275crSq7bfwUayvvatEupQk=
 github.com/containerd/containerd v1.2.7/go.mod h1:bC6axHOhabU15QhwfG7w5PipXdVtMXFTttgp+kVtyUA=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
@@ -129,18 +123,15 @@ github.com/eapache/go-resiliency v1.1.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5m
 github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1:+020luEh2TKB4/GOp8oxxtq0Daoen/Cii55CzbTV6DU=
 github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFPTqq+I=
 github.com/edsrzf/mmap-go v0.0.0-20160512033002-935e0e8a636c/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M=
-github.com/edsrzf/mmap-go v0.0.0-20170320065105-0bce6a688712 h1:aaQcKT9WumO6JEJcRyTqFVq4XUZiUcKR2/GI31TOcz8=
 github.com/edsrzf/mmap-go v0.0.0-20170320065105-0bce6a688712/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M=
 github.com/edsrzf/mmap-go v1.0.0 h1:CEBF7HpRnUCSJgGUb5h1Gm7e3VkmVDrR8lvWVLtrOFw=
 github.com/edsrzf/mmap-go v1.0.0/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M=
-github.com/elastic/gosigar v0.0.0-20180330100440-37f05ff46ffa h1:o8OuEkracbk3qH6GvlI6XpEN1HTSxkzOG42xZpfDv/s=
 github.com/elastic/gosigar v0.0.0-20180330100440-37f05ff46ffa/go.mod h1:cdorVVzy1fhmEqmtgqkoE3bYtCfSCkVyjTyCIo22xvs=
 github.com/elastic/gosigar v0.10.4 h1:6jfw75dsoflhBMRdO6QPzQUgLqUYTsQQQRkkcsHsuPo=
 github.com/elastic/gosigar v0.10.4/go.mod h1:cdorVVzy1fhmEqmtgqkoE3bYtCfSCkVyjTyCIo22xvs=
 github.com/ethereum/go-ethereum v1.8.20/go.mod h1:PwpWDrCLZrV+tfrhqqF6kPknbISMHaJv9Ln3kPCZLwY=
 github.com/ethereum/go-ethereum v1.9.2/go.mod h1:PwpWDrCLZrV+tfrhqqF6kPknbISMHaJv9Ln3kPCZLwY=
 github.com/fatih/color v1.3.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
-github.com/fjl/memsize v0.0.0-20180418122429-ca190fb6ffbc h1:jtW8jbpkO4YirRSyepBOH8E+2HEw6/hKkBvFPwhUN8c=
 github.com/fjl/memsize v0.0.0-20180418122429-ca190fb6ffbc/go.mod h1:VvhXpOYNQvB+uIk2RvXzuaQtkQJzzIx6lSBe1xv7hi0=
 github.com/fjl/memsize v0.0.0-20180929194037-2a09253e352a h1:1znxn4+q2MrEdTk1eCk6KIV3muTYVclBIB6CTVR/zBc=
 github.com/fjl/memsize v0.0.0-20180929194037-2a09253e352a/go.mod h1:VvhXpOYNQvB+uIk2RvXzuaQtkQJzzIx6lSBe1xv7hi0=
@@ -151,15 +142,12 @@ github.com/gballet/go-libpcsclite v0.0.0-20190607065134-2772fd86a8ff h1:tY80oXqG
 github.com/gballet/go-libpcsclite v0.0.0-20190607065134-2772fd86a8ff/go.mod h1:x7DCsMOv1taUwEWCzT4cmDeAkigA5/QCwUodaVOe8Ww=
 github.com/gizak/termui v0.0.0-20170117222342-991cd3d38091/go.mod h1:PkJoWUt/zacQKysNfQtcw1RW+eK2SxkieVBtl+4ovLA=
 github.com/go-check/check v0.0.0-20180628173108-788fd7840127/go.mod h1:9ES+weclKsC9YodN5RgxqK/VD9HM9JsCSh7rNhMZE98=
-github.com/go-kit/kit v0.8.0 h1:Wz+5lgoB0kkuqLEc6NVmwRknTKP6dTGbSqvhZtBI/j0=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 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 h1:8HUsc87TaSWLKwrnumgC8/YconD2fJQsRJAsWaPg2ic=
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
 github.com/go-logfmt/logfmt v0.4.0 h1:MP4Eh7ZCb31lleYCFuwm0oe4/YGak+5l1vA2NOE80nA=
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
-github.com/go-ole/go-ole v1.2.1 h1:2lOsA72HgjxAuMlKpFiCbHTvu44PIVkZ5hqm3RSdI/E=
 github.com/go-ole/go-ole v1.2.1/go.mod h1:7FAglXiTm7HKlQRDeOQ6ZNUHidzCWXuZWq/1dTyBNF8=
 github.com/go-playground/locales v0.12.1 h1:2FITxuFt/xuCNP1Acdhv62OzaCiviiE4kotfhkmOqEc=
 github.com/go-playground/locales v0.12.1/go.mod h1:IUMDtCfWo/w/mtMfIE/IG2K+Ey3ygWanZIBtBW0W2TM=
@@ -211,7 +199,6 @@ github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51
 github.com/gorilla/mux v1.6.2/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
 github.com/gorilla/mux v1.7.1 h1:Dw4jY2nghMMRsh1ol8dv1axHkDwMQK2DHerMNJsIpJU=
 github.com/gorilla/mux v1.7.1/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
-github.com/gorilla/websocket v1.4.0 h1:WDFjx/TMzVgy9VdMMQi2K2Emtwi2QcUQsztZ/zLaH/Q=
 github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
 github.com/gorilla/websocket v1.4.1 h1:q7AeDBpnBk8AogcD4DSag/Ukw/KV+YhzLj2bP5HvKCM=
 github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
@@ -321,17 +308,14 @@ github.com/libp2p/go-eventbus v0.1.0 h1:mlawomSAjjkk97QnYiEmHsLu7E136+2oCWSHRUvM
 github.com/libp2p/go-eventbus v0.1.0/go.mod h1:vROgu5cs5T7cv7POWlWxBaVLxfSegC5UGQf8A2eEmx4=
 github.com/libp2p/go-flow-metrics v0.0.1 h1:0gxuFd2GuK7IIP5pKljLwps6TvcuYgvG7Atqi3INF5s=
 github.com/libp2p/go-flow-metrics v0.0.1/go.mod h1:Iv1GH0sG8DtYN3SVJ2eG221wMiNpZxBdp967ls1g+k8=
-github.com/libp2p/go-libp2p v0.1.1 h1:52sB0TJuDk2nYMcMfHOKaPoaayDZjaYVCq6Vk1ejUTk=
 github.com/libp2p/go-libp2p v0.1.1/go.mod h1:I00BRo1UuUSdpuc8Q2mN7yDF/oTUTRAX6JWpTiK9Rp8=
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 github.com/libp2p/go-libp2p-autonat v0.1.0/go.mod h1:1tLf2yXxiE/oKGtDwPYWTSYG3PtvYlJmg7NeVtPRqH8=
-github.com/libp2p/go-libp2p-blankhost v0.1.1 h1:X919sCh+KLqJcNRApj43xCSiQRYqOSI88Fdf55ngf78=
 github.com/libp2p/go-libp2p-blankhost v0.1.1/go.mod h1:pf2fvdLJPsC1FsVrNP3DUUvMzUts2dsLLBEpo1vW1ro=
 github.com/libp2p/go-libp2p-blankhost v0.1.4 h1:I96SWjR4rK9irDHcHq3XHN6hawCRTPUADzkJacgZLvk=
 github.com/libp2p/go-libp2p-blankhost v0.1.4/go.mod h1:oJF0saYsAXQCSfDq254GMNmLNz6ZTHTOvtF4ZydUvwU=
-github.com/libp2p/go-libp2p-circuit v0.1.0 h1:eniLL3Y9aq/sryfyV1IAHj5rlvuyj3b7iz8tSiZpdhY=
 github.com/libp2p/go-libp2p-circuit v0.1.0/go.mod h1:Ahq4cY3V9VJcHcn1SBXjr78AbFkZeIRmfunbA7pmFh8=
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@@ -342,7 +326,6 @@ github.com/libp2p/go-libp2p-core v0.2.0/go.mod h1:X0eyB0Gy93v0DZtSYbEM7RnMChm9Uv
 github.com/libp2p/go-libp2p-core v0.2.2/go.mod h1:8fcwTbsG2B+lTgRJ1ICZtiM5GWCWZVoVrLaDRvIRng0=
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-github.com/libp2p/go-libp2p-crypto v0.1.0 h1:k9MFy+o2zGDNGsaoZl0MA3iZ75qXxr9OOoAZF+sD5OQ=
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@@ -354,23 +337,18 @@ github.com/libp2p/go-libp2p-mplex v0.2.1/go.mod h1:SC99Rxs8Vuzrf/6WhmH41kNn13TiY
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 github.com/libp2p/go-libp2p-secio v0.1.0/go.mod h1:tMJo2w7h3+wN4pgU2LSYeiKPrfqBgkOsdiKK77hE7c8=
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 github.com/libp2p/go-libp2p-secio v0.2.0/go.mod h1:2JdZepB8J5V9mBp79BmwsaPQhRPNN2NrnB2lKQcdy6g=
-github.com/libp2p/go-libp2p-swarm v0.1.0 h1:HrFk2p0awrGEgch9JXK/qp/hfjqQfgNxpLWnCiWPg5s=
 github.com/libp2p/go-libp2p-swarm v0.1.0/go.mod h1:wQVsCdjsuZoc730CgOvh5ox6K8evllckjebkdiY5ta4=
 github.com/libp2p/go-libp2p-swarm v0.2.2 h1:T4hUpgEs2r371PweU3DuH7EOmBIdTBCwWs+FLcgx3bQ=
 github.com/libp2p/go-libp2p-swarm v0.2.2/go.mod h1:fvmtQ0T1nErXym1/aa1uJEyN7JzaTNyBcHImCxRpPKU=
 github.com/libp2p/go-libp2p-testing v0.0.2/go.mod h1:gvchhf3FQOtBdr+eFUABet5a4MBLK8jM3V4Zghvmi+E=
 github.com/libp2p/go-libp2p-testing v0.0.3/go.mod h1:gvchhf3FQOtBdr+eFUABet5a4MBLK8jM3V4Zghvmi+E=
-github.com/libp2p/go-libp2p-testing v0.0.4 h1:Qev57UR47GcLPXWjrunv5aLIQGO4n9mhI/8/EIrEEFc=
 github.com/libp2p/go-libp2p-testing v0.0.4/go.mod h1:gvchhf3FQOtBdr+eFUABet5a4MBLK8jM3V4Zghvmi+E=
 github.com/libp2p/go-libp2p-testing v0.1.0 h1:WaFRj/t3HdMZGNZqnU2pS7pDRBmMeoDx7/HDNpeyT9U=
 github.com/libp2p/go-libp2p-testing v0.1.0/go.mod h1:xaZWMJrPUM5GlDBxCeGUi7kI4eqnjVyavGroI2nxEM0=
@@ -379,7 +357,6 @@ github.com/libp2p/go-libp2p-transport-upgrader v0.1.1/go.mod h1:IEtA6or8JUbsV07q
 github.com/libp2p/go-libp2p-yamux v0.2.0/go.mod h1:Db2gU+XfLpm6E4rG5uGCFX6uXA8MEXOxFcRoXUODaK8=
 github.com/libp2p/go-libp2p-yamux v0.2.1 h1:Q3XYNiKCC2vIxrvUJL+Jg1kiyeEaIDNKLjgEjo3VQdI=
 github.com/libp2p/go-libp2p-yamux v0.2.1/go.mod h1:1FBXiHDk1VyRM1C0aez2bCfHQ4vMZKkAQzZbkSQt5fI=
-github.com/libp2p/go-maddr-filter v0.0.4 h1:hx8HIuuwk34KePddrp2mM5ivgPkZ09JH4AvsALRbFUs=
 github.com/libp2p/go-maddr-filter v0.0.4/go.mod h1:6eT12kSQMA9x2pvFQa+xesMKUBlj9VImZbj3B9FBH/Q=
 github.com/libp2p/go-maddr-filter v0.0.5 h1:CW3AgbMO6vUvT4kf87y4N+0P8KUl2aqLYhrGyDUbLSg=
 github.com/libp2p/go-maddr-filter v0.0.5/go.mod h1:Jk+36PMfIqCJhAnaASRH83bdAvfDRp/w6ENFaC9bG+M=
@@ -400,11 +377,9 @@ github.com/libp2p/go-reuseport-transport v0.0.2/go.mod h1:YkbSDrvjUVDL6b8XqriyA2
 github.com/libp2p/go-stream-muxer v0.0.1/go.mod h1:bAo8x7YkSpadMTbtTaxGVHWUQsR/l5MEaHbKaliuT14=
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-github.com/libp2p/go-tcp-transport v0.1.0 h1:IGhowvEqyMFknOar4FWCKSWE0zL36UFKQtiRQD60/8o=
 github.com/libp2p/go-tcp-transport v0.1.0/go.mod h1:oJ8I5VXryj493DEJ7OsBieu8fcg2nHGctwtInJVpipc=
 github.com/libp2p/go-tcp-transport v0.1.1 h1:yGlqURmqgNA2fvzjSgZNlHcsd/IulAnKM8Ncu+vlqnw=
 github.com/libp2p/go-tcp-transport v0.1.1/go.mod h1:3HzGvLbx6etZjnFlERyakbaYPdfjg2pWP97dFZworkY=
-github.com/libp2p/go-ws-transport v0.1.0 h1:F+0OvvdmPTDsVc4AjPHjV7L7Pk1B7D5QwtDcKE2oag4=
 github.com/libp2p/go-ws-transport v0.1.0/go.mod h1:rjw1MG1LU9YDC6gzmwObkPd/Sqwhw7yT74kj3raBFuo=
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@@ -422,11 +397,9 @@ github.com/mattn/go-colorable v0.1.1 h1:G1f5SKeVxmagw/IyvzvtZE4Gybcc4Tr1tf7I8z0X
 github.com/mattn/go-colorable v0.1.1/go.mod h1:FuOcm+DKB9mbwrcAfNl7/TZVBZ6rcnceauSikq3lYCQ=
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-github.com/mattn/go-isatty v0.0.5 h1:tHXDdz1cpzGaovsTB+TVB8q90WEokoVmfMqoVcrLUgw=
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-github.com/mattn/go-runewidth v0.0.3 h1:a+kO+98RDGEfo6asOGMmpodZq4FNtnGP54yps8BzLR4=
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 github.com/mattn/go-runewidth v0.0.4/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
@@ -467,15 +440,12 @@ github.com/multiformats/go-multiaddr v0.1.0/go.mod h1:xKVEak1K9cS1VdmPZW3LSIb6lg
 github.com/multiformats/go-multiaddr v0.1.1 h1:rVAztJYMhCQ7vEFr8FvxW3mS+HF2eY/oPbOMeS0ZDnE=
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 github.com/multiformats/go-multiaddr-dns v0.0.1/go.mod h1:9kWcqw/Pj6FwxAwW38n/9403szc57zJPs45fmnznu3Q=
-github.com/multiformats/go-multiaddr-dns v0.0.2 h1:/Bbsgsy3R6e3jf2qBahzNHzww6usYaZ0NhNH3sqdFS8=
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-github.com/multiformats/go-multiaddr-fmt v0.0.1 h1:5YjeOIzbX8OTKVaN72aOzGIYW7PnrZrnkDyOfAWRSMA=
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-github.com/multiformats/go-multiaddr-net v0.0.1 h1:76O59E3FavvHqNg7jvzWzsPSW5JSi/ek0E4eiDVbg9g=
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 github.com/multiformats/go-multiaddr-net v0.1.0/go.mod h1:5JNbcfBOP4dnhoZOv10JJVkJO0pCCEf8mTnipAo2UZQ=
@@ -496,18 +466,15 @@ github.com/nsf/termbox-go v0.0.0-20170211012700-3540b76b9c77/go.mod h1:IuKpRQcYE
 github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn4U=
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 github.com/okzk/sdnotify v0.0.0-20180710141335-d9becc38acbd/go.mod h1:4soZNh0zW0LtYGdQ416i0jO0EIqMGcbtaspRS4BDvRQ=
-github.com/olekukonko/tablewriter v0.0.0-20170128050532-febf2d34b54a h1:m6hB6GkmZ/suOSKZM7yx3Yt+7iZ9HNfzacCykJqgXA8=
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 github.com/olekukonko/tablewriter v0.0.1/go.mod h1:vsDQFd/mU46D+Z4whnwzcISnGGzXWMclvtLoiIKAKIo=
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-github.com/onsi/ginkgo v1.8.0 h1:VkHVNpR4iVnU8XQR6DBm8BqYjN7CRzw+xKUbVVbbW9w=
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-github.com/onsi/gomega v1.5.0 h1:izbySO9zDPmjJ8rDjLvkA2zJHIo+HkYXHnf7eN7SSyo=
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@@ -516,7 +483,6 @@ github.com/opencontainers/go-digest v1.0.0-rc1/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQ
 github.com/opencontainers/image-spec v1.0.1 h1:JMemWkRwHx4Zj+fVxWoMCFm/8sYGGrUVojFA6h/TRcI=
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 github.com/opentracing/opentracing-go v0.0.0-20180606204148-bd9c31933947/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o=
-github.com/opentracing/opentracing-go v1.0.2 h1:3jA2P6O1F9UOrWVpwrIo17pu01KWvNWg4X946/Y5Zwg=
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@@ -560,7 +526,6 @@ github.com/prometheus/prometheus v0.0.0-20170814170113-3101606756c5/go.mod h1:oA
 github.com/prometheus/tsdb v0.10.0 h1:If5rVCMTp6W2SiRAQFlbpJNgVlgMEd+U2GZckwK38ic=
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 github.com/rcrowley/go-metrics v0.0.0-20181016184325-3113b8401b8a/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
-github.com/rjeczalik/notify v0.9.1 h1:CLCKso/QK1snAlnhNR/CNvNiFU2saUtjV0bx3EwNeCE=
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@@ -580,7 +545,6 @@ github.com/satori/go.uuid v1.2.0/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdh
 github.com/shopspring/decimal v0.0.0-20180709203117-cd690d0c9e24 h1:pntxY8Ary0t43dCZ5dqY4YTJCObLY1kIXl0uzMv+7DE=
 github.com/shopspring/decimal v0.0.0-20180709203117-cd690d0c9e24/go.mod h1:M+9NzErvs504Cn4c5DxATwIqPbtswREoFCre64PpcG4=
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-github.com/sirupsen/logrus v1.4.1 h1:GL2rEmy6nsikmW0r8opw9JIRScdMF5hA8cOYLH7In1k=
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@@ -598,7 +562,6 @@ github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb6
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
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-github.com/status-im/doubleratchet v2.0.0+incompatible h1:s77lF1lDubK0RKftxN2vH8G9gwtVVp13ggWfyY4O1q4=
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 github.com/status-im/doubleratchet v3.0.0+incompatible/go.mod h1:1sqR0+yhiM/bd+wrdX79AOt2csZuJOni0nUDzKNuqOU=
@@ -615,12 +578,12 @@ github.com/status-im/migrate/v4 v4.6.2-status.2/go.mod h1:c/kc90n47GZu/58nnz1OML
 github.com/status-im/rendezvous v1.3.0 h1:7RK/MXXW+tlm0asKm1u7Qp7Yni6AO29a7j8+E4Lbjg4=
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-github.com/status-im/status-protocol-go v0.4.2 h1:HAX51q3j+WAzbyeqryJEY1O6hqzTAbYEjkppIXkcNvg=
 github.com/status-im/status-protocol-go v0.4.2/go.mod h1:WsfEnZo8dWadTbMqAoLztC/5p9SDwFeEGCmVDzSEmrQ=
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 github.com/status-im/status-protocol-go v0.4.4-0.20191102185313-c99310ece510/go.mod h1:a1zsjTEjXSq9VFAFdh89kxow848/RiQyu/rMKPxLBSs=
-github.com/status-im/whisper v1.5.1 h1:87/XIg0Wjua7lXBGiEXgAfTOqlt2Q1dMDuxugTyZbbA=
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+github.com/status-im/whisper v1.5.2 h1:26NgiKusmPic38eQdtXnaY+iaQ/LuQ3Dh0kCGYT/Uxs=
+github.com/status-im/whisper v1.5.2/go.mod h1:emrOxzJme0k66QtbbQ2bdd3P8RCdLZ8sTD7SkwH1s2s=
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@@ -695,7 +658,6 @@ 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 h1:ACG4HJsFiNMf47Y4PeRoebLNy/2lXT9EtprMuTFWt1M=
 golang.org/x/crypto v0.0.0-20190923035154-9ee001bba392/go.mod h1:/lpIB1dKB+9EgE3H3cr1v9wB50oz8l4C4h62xy7jSTY=
 golang.org/x/crypto v0.0.0-20191001141032-4663e185863a h1:IyO+qCPGvLbq/+jPIOaTO1++UxgNrSpFnvQlL0hnMMQ=
 golang.org/x/crypto v0.0.0-20191001141032-4663e185863a/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
@@ -723,7 +685,6 @@ golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190424112056-4829fb13d2c6/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 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 v0.0.0-20190628185345-da137c7871d7 h1:rTIdg5QFRR7XCaK4LCjBiPbx8j4DQRpdYMnGn/bJUEU=
 golang.org/x/net v0.0.0-20190628185345-da137c7871d7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190930134127-c5a3c61f89f3 h1:6KET3Sqa7fkVfD63QnAM81ZeYg5n4HwApOJkufONnHA=
 golang.org/x/net v0.0.0-20190930134127-c5a3c61f89f3/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@@ -736,7 +697,6 @@ golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58 h1:8gQV6CLnAEikrhgkHFbMAEhagSSnXWGV915qUMm9mrU=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e h1:vcxGaoTs7kV8m5Np9uUNQin4BrLOthgV7252N8V+FwY=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -758,9 +718,7 @@ golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190426135247-a129542de9ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190801041406-cbf593c0f2f3 h1:4y9KwBHBgBNwDbtu44R5o1fdOCQUEXhbk/P4A9WmJq0=
 golang.org/x/sys v0.0.0-20190801041406-cbf593c0f2f3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190922100055-0a153f010e69 h1:rOhMmluY6kLMhdnrivzec6lLgaVbMHMn2ISQXJeJ5EM=
 golang.org/x/sys v0.0.0-20190922100055-0a153f010e69/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190927073244-c990c680b611/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191010194322-b09406accb47 h1:/XfQ9z7ib8eEJX2hdgFTZJ/ntt0swNk5oYBziWeTCvY=
@@ -818,7 +776,6 @@ gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXL
 gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k=
 gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce h1:+JknDZhAj8YMt7GC73Ei8pv4MzjDUNPHgQWJdtMAaDU=
 gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce/go.mod h1:5AcXVHNjg+BDxry382+8OKon8SEWiKktQR07RKPsv1c=
-gopkg.in/olebedev/go-duktape.v3 v3.0.0-20180302121509-abf0ba0be5d5 h1:VWXVtmkY4YFVuF1FokZ0PUsuvtx3Di6z/m47daSP5f0=
 gopkg.in/olebedev/go-duktape.v3 v3.0.0-20180302121509-abf0ba0be5d5/go.mod h1:uAJfkITjFhyEEuUfm7bsmCZRbW5WRq8s9EY8HZ6hCns=
 gopkg.in/olebedev/go-duktape.v3 v3.0.0-20190709231704-1e4459ed25ff h1:uuol9OUzSvZntY1v963NAbVd7A+PHLMz1FlCe3Lorcs=
 gopkg.in/olebedev/go-duktape.v3 v3.0.0-20190709231704-1e4459ed25ff/go.mod h1:uAJfkITjFhyEEuUfm7bsmCZRbW5WRq8s9EY8HZ6hCns=

mailserver/mailserver.go

@@ -69,6 +69,8 @@ type WMailServer struct {
 	cleaner *dbCleaner // removes old envelopes
 }
 
+var _ whisper.MailServer = (*WMailServer)(nil)
+
 // Init initializes mailServer.
 func (s *WMailServer) Init(shh *whisper.Whisper, config *params.WhisperConfig) error {
 	if len(config.DataDir) == 0 {
@@ -195,19 +197,19 @@ func (s *WMailServer) DeliverMail(peer *whisper.Peer, request *whisper.Envelope)
 		return
 	}
 
-	requestID := request.Hash().String()
+	requestID := request.Hash()
 	peerID := peerIDString(peer)
 
 	log.Info("[mailserver:DeliverMail] delivering mail",
 		"peerID", peerID,
-		"requestID", requestID)
+		"requestID", requestID.String())
 
 	if s.exceedsPeerRequests(peer.ID()) {
 		deliveryFailuresCounter.WithLabelValues("peer_req_limit").Inc()
 		log.Error("[mailserver:DeliverMail] peer exceeded the limit",
 			"peerID", peerID,
-			"requestID", requestID)
+			"requestID", requestID.String())
-		s.trySendHistoricMessageErrorResponse(peer, request, fmt.Errorf("rate limit exceeded"))
+		s.trySendHistoricMessageErrorResponse(peer, requestID, fmt.Errorf("rate limit exceeded"))
 		return
 	}
 
@@ -231,7 +233,7 @@ func (s *WMailServer) DeliverMail(peer *whisper.Peer, request *whisper.Envelope)
 		log.Debug("[mailserver:DeliverMail] failed to decode request",
 			"err", err,
 			"peerID", peerID,
-			"requestID", requestID)
+			"requestID", requestID.String())
 		lower, upper, bloom, limit, cursor, err = s.validateRequest(peer.ID(), request)
 	}
 
@@ -243,15 +245,15 @@ func (s *WMailServer) DeliverMail(peer *whisper.Peer, request *whisper.Envelope)
 		deliveryFailuresCounter.WithLabelValues("validation").Inc()
 		log.Error("[mailserver:DeliverMail] request failed validaton",
 			"peerID", peerID,
-			"requestID", requestID,
+			"requestID", requestID.String(),
 			"err", err)
-		s.trySendHistoricMessageErrorResponse(peer, request, err)
+		s.trySendHistoricMessageErrorResponse(peer, requestID, err)
 		return
 	}
 
 	log.Info("[mailserver:DeliverMail] processing request",
 		"peerID", peerID,
-		"requestID", requestID,
+		"requestID", requestID.String(),
 		"lower", lower,
 		"upper", upper,
 		"bloom", bloom,
@@ -292,7 +294,7 @@ func (s *WMailServer) DeliverMail(peer *whisper.Peer, request *whisper.Envelope)
 		close(errCh)
 		log.Info("[mailserver:DeliverMail] finished sending bundles",
 			"peerID", peerID,
-			"requestID", requestID,
+			"requestID", requestID.String(),
 			"counter", counter)
 	}()
 
@@ -301,7 +303,7 @@ func (s *WMailServer) DeliverMail(peer *whisper.Peer, request *whisper.Envelope)
 		bloom,
 		int(limit),
 		processRequestTimeout,
-		requestID,
+		requestID.String(),
 		bundles,
 		cancelProcessing,
 	)
@@ -313,7 +315,7 @@ func (s *WMailServer) DeliverMail(peer *whisper.Peer, request *whisper.Envelope)
 			"err", err,
 			"peerID", peerID,
 			"requestID", requestID)
-		s.trySendHistoricMessageErrorResponse(peer, request, err)
+		s.trySendHistoricMessageErrorResponse(peer, requestID, err)
 		return
 	}
 
@@ -324,7 +326,7 @@ func (s *WMailServer) DeliverMail(peer *whisper.Peer, request *whisper.Envelope)
 			"err", err,
 			"peerID", peerID,
 			"requestID", requestID)
-		s.trySendHistoricMessageErrorResponse(peer, request, err)
+		s.trySendHistoricMessageErrorResponse(peer, requestID, err)
 		return
 	}
 
@@ -334,14 +336,149 @@ func (s *WMailServer) DeliverMail(peer *whisper.Peer, request *whisper.Envelope)
 		"last", lastEnvelopeHash,
 		"next", nextPageCursor)
 
-	if err := s.sendHistoricMessageResponse(peer, request, lastEnvelopeHash, nextPageCursor); err != nil {
+	if err := s.sendHistoricMessageResponse(peer, request.Hash(), lastEnvelopeHash, nextPageCursor); err != nil {
 		deliveryFailuresCounter.WithLabelValues("historic_msg_resp").Inc()
 		log.Error("[mailserver:DeliverMail] error sending historic message response",
 			"err", err,
 			"peerID", peerID,
 			"requestID", requestID)
 		// we still want to try to report error even it it is a p2p error and it is unlikely
-		s.trySendHistoricMessageErrorResponse(peer, request, err)
+		s.trySendHistoricMessageErrorResponse(peer, requestID, err)
+	}
+}
+
+func (s *WMailServer) Deliver(peer *whisper.Peer, r whisper.MessagesRequest) {
+	timer := prom.NewTimer(mailDeliveryDuration)
+	defer timer.ObserveDuration()
+
+	deliveryAttemptsCounter.Inc()
+
+	var (
+		requestIDHash = common.BytesToHash(r.ID)
+		requestIDStr  = requestIDHash.String()
+		peerID        = peerIDString(peer)
+		err           error
+	)
+
+	defer func() {
+		if err != nil {
+			log.Error("[mailserver:DeliverMail] failed to process",
+				"err", err,
+				"peerID", peerID,
+				"requestID", requestIDStr,
+			)
+			s.trySendHistoricMessageErrorResponse(peer, requestIDHash, err)
+		}
+	}()
+
+	log.Info("[mailserver:Deliver] delivering mail", "peerID", peerID, "requestID", requestIDStr)
+
+	if peer == nil {
+		deliveryFailuresCounter.WithLabelValues("no_peer_set").Inc()
+		log.Error("[mailserver:Deliver] peer is nil")
+		return
+	}
+
+	if s.exceedsPeerRequests(peer.ID()) {
+		deliveryFailuresCounter.WithLabelValues("peer_req_limit").Inc()
+		err = errors.New("exceeded the number of requests limit")
+		return
+	}
+
+	err = r.Validate()
+	if err != nil {
+		deliveryFailuresCounter.WithLabelValues("validation").Inc()
+		err = fmt.Errorf("invalid request: %v", err)
+		return
+	}
+
+	var (
+		lower, upper = r.From, r.To
+		bloom        = r.Bloom
+		limit        = r.Limit
+		cursor       = r.Cursor
+		batch        = true // batch requests are default
+	)
+
+	log.Info("[mailserver:Deliver] processing request",
+		"peerID", peerID,
+		"requestID", requestIDStr,
+		"lower", lower,
+		"upper", upper,
+		"bloom", bloom,
+		"limit", limit,
+		"cursor", cursor,
+		"batch", batch,
+	)
+	requestsBatchedCounter.Inc()
+
+	iter, err := s.createIterator(lower, upper, cursor, bloom, limit)
+	if err != nil {
+		err = fmt.Errorf("failed to create an iterator: %v", err)
+		return
+	}
+	defer iter.Release()
+
+	bundles := make(chan []rlp.RawValue, 5)
+	errCh := make(chan error, 1)
+	cancelProcessing := make(chan struct{})
+
+	go func() {
+		counter := 0
+		for bundle := range bundles {
+			if err := s.sendRawEnvelopes(peer, bundle, batch); err != nil {
+				close(cancelProcessing)
+				errCh <- err
+				break
+			}
+			counter++
+		}
+		close(errCh)
+		log.Info("[mailserver:DeliverMail] finished sending bundles",
+			"peerID", peerID,
+			"requestID", requestIDStr,
+			"counter", counter,
+		)
+	}()
+
+	nextPageCursor, lastEnvelopeHash := s.processRequestInBundles(
+		iter,
+		bloom,
+		int(limit),
+		processRequestTimeout,
+		requestIDStr,
+		bundles,
+		cancelProcessing,
+	)
+
+	// Wait for the goroutine to finish the work. It may return an error.
+	err = <-errCh
+	if err != nil {
+		deliveryFailuresCounter.WithLabelValues("process").Inc()
+		err = fmt.Errorf("failed to send envelopes: %v", err)
+		return
+	}
+
+	// Processing of the request could be finished earlier due to iterator error.
+	err = iter.Error()
+	if err != nil {
+		deliveryFailuresCounter.WithLabelValues("iterator").Inc()
+		err = fmt.Errorf("failed to read all envelopes: %v", err)
+		return
+	}
+
+	log.Info("[mailserver:Deliver] sending historic message response",
+		"peerID", peerID,
+		"requestID", requestIDStr,
+		"last", lastEnvelopeHash,
+		"next", nextPageCursor,
+	)
+
+	err = s.sendHistoricMessageResponse(peer, requestIDHash, lastEnvelopeHash, nextPageCursor)
+	if err != nil {
+		deliveryFailuresCounter.WithLabelValues("historic_msg_resp").Inc()
+		err = fmt.Errorf("failed to send response: %v", err)
+		return
 	}
 }
 
@@ -620,14 +757,14 @@ func (s *WMailServer) sendRawEnvelopes(peer *whisper.Peer, envelopes []rlp.RawVa
 	return nil
 }
 
-func (s *WMailServer) sendHistoricMessageResponse(peer *whisper.Peer, request *whisper.Envelope, lastEnvelopeHash common.Hash, cursor []byte) error {
+func (s *WMailServer) sendHistoricMessageResponse(peer *whisper.Peer, requestID, lastEnvelopeHash common.Hash, cursor []byte) error {
-	payload := whisper.CreateMailServerRequestCompletedPayload(request.Hash(), lastEnvelopeHash, cursor)
+	payload := whisper.CreateMailServerRequestCompletedPayload(requestID, lastEnvelopeHash, cursor)
 	return s.w.SendHistoricMessageResponse(peer, payload)
 }
 
 // this method doesn't return an error because it is already in the error handling chain
-func (s *WMailServer) trySendHistoricMessageErrorResponse(peer *whisper.Peer, request *whisper.Envelope, errorToReport error) {
+func (s *WMailServer) trySendHistoricMessageErrorResponse(peer *whisper.Peer, requestID common.Hash, errorToReport error) {
-	payload := whisper.CreateMailServerRequestFailedPayload(request.Hash(), errorToReport)
+	payload := whisper.CreateMailServerRequestFailedPayload(requestID, errorToReport)
 
 	err := s.w.SendHistoricMessageResponse(peer, payload)
 	// if we can't report an error, probably something is wrong with p2p connection,

mailserver/mailserver_test.go

@@ -102,14 +102,6 @@ func (s *MailserverSuite) TestInit() {
 			expectedError: errDirectoryNotProvided,
 			info:          "config with empty DataDir",
 		},
-		{
-			config: params.WhisperConfig{
-				DataDir:            "/invalid-path",
-				MailServerPassword: "pwd",
-			},
-			expectedError: errors.New("open DB: mkdir /invalid-path: permission denied"),
-			info:          "config with an unexisting DataDir",
-		},
 		{
 			config: params.WhisperConfig{
 				DataDir:            s.config.DataDir,

vendor/github.com/status-im/whisper/whisperv6/doc.go

@@ -65,12 +65,12 @@ const (
 	SizeMask      = byte(3) // mask used to extract the size of payload size field from the flags
 	signatureFlag = byte(4)
 
-	TopicLength     = 4  // in bytes
+	TopicLength     = 4                      // in bytes
 	signatureLength = crypto.SignatureLength // in bytes
-	aesKeyLength    = 32 // in bytes
+	aesKeyLength    = 32                     // in bytes
-	aesNonceLength  = 12 // in bytes; for more info please see cipher.gcmStandardNonceSize & aesgcm.NonceSize()
+	aesNonceLength  = 12                     // in bytes; for more info please see cipher.gcmStandardNonceSize & aesgcm.NonceSize()
-	keyIDSize       = 32 // in bytes
+	keyIDSize       = 32                     // in bytes
-	BloomFilterSize = 64 // in bytes
+	BloomFilterSize = 64                     // in bytes
 	flagsLength     = 1
 
 	EnvelopeHeaderLength = 20
@@ -92,6 +92,8 @@ const (
 
 	EnvelopeTimeNotSynced uint = iota + 1
 	EnvelopeOtherError
+
+	MaxLimitInMessagesRequest = 1000
 )
 
 // MailServer represents a mail server, capable of
@@ -102,10 +104,55 @@ const (
 // in order to bypass the expiry checks.
 type MailServer interface {
 	Archive(env *Envelope)
+	// DEPRECATED
 	DeliverMail(whisperPeer *Peer, request *Envelope)
+	Deliver(whisperPeer *Peer, request MessagesRequest)
 	SyncMail(*Peer, SyncMailRequest) error
 }
 
+// MessagesRequest contains details of a request of historic messages.
+type MessagesRequest struct {
+	// ID of the request. The current implementation requires ID to be 32-byte array,
+	// however, it's not enforced for future implementation.
+	ID []byte `json:"id"`
+
+	// From is a lower bound of time range.
+	From uint32 `json:"from"`
+
+	// To is a upper bound of time range.
+	To uint32 `json:"to"`
+
+	// Limit determines the number of messages sent by the mail server
+	// for the current paginated request.
+	Limit uint32 `json:"limit"`
+
+	// Cursor is used as starting point for paginated requests.
+	Cursor []byte `json:"cursor"`
+
+	// Bloom is a filter to match requested messages.
+	Bloom []byte `json:"bloom"`
+}
+
+func (r MessagesRequest) Validate() error {
+	if len(r.ID) != common.HashLength {
+		return errors.New("invalid 'ID', expected a 32-byte slice")
+	}
+
+	if r.From > r.To {
+		return errors.New("invalid 'From' value which is greater than To")
+	}
+
+	if r.Limit > MaxLimitInMessagesRequest {
+		return fmt.Errorf("invalid 'Limit' value, expected value lower than %d", MaxLimitInMessagesRequest)
+	}
+
+	if len(r.Bloom) == 0 {
+		return errors.New("invalid 'Bloom' provided")
+	}
+
+	return nil
+}
+
 // SyncMailRequest contains details which envelopes should be synced
 // between Mail Servers.
 type SyncMailRequest struct {

vendor/github.com/status-im/whisper/whisperv6/mailserver_response.go

@@ -21,7 +21,9 @@ func invalidResponseSizeError(size int) error {
 // CreateMailServerRequestCompletedPayload creates a payload representing
 // a successful request to mailserver
 func CreateMailServerRequestCompletedPayload(requestID, lastEnvelopeHash common.Hash, cursor []byte) []byte {
-	payload := append(requestID[:], lastEnvelopeHash[:]...)
+	payload := make([]byte, len(requestID))
+	copy(payload, requestID[:])
+	payload = append(payload, lastEnvelopeHash[:]...)
 	payload = append(payload, cursor...)
 	return payload
 }
@@ -29,10 +31,9 @@ func CreateMailServerRequestCompletedPayload(requestID, lastEnvelopeHash common.
 // CreateMailServerRequestFailedPayload creates a payload representing
 // a failed request to a mailserver
 func CreateMailServerRequestFailedPayload(requestID common.Hash, err error) []byte {
-	payloadPrefix := []byte(mailServerFailedPayloadPrefix)
+	payload := []byte(mailServerFailedPayloadPrefix)
-	errorString := []byte(err.Error())
+	payload = append(payload, requestID[:]...)
-	payload := append(payloadPrefix, requestID[:]...)
+	payload = append(payload, []byte(err.Error())...)
-	payload = append(payload, errorString[:]...)
 	return payload
 }
 

vendor/github.com/status-im/whisper/whisperv6/whisper.go

@@ -446,6 +446,26 @@ func (whisper *Whisper) RequestHistoricMessagesWithTimeout(peerID []byte, envelo
 	return err
 }
 
+func (whisper *Whisper) SendMessagesRequest(peerID []byte, request MessagesRequest) error {
+	if err := request.Validate(); err != nil {
+		return err
+	}
+	p, err := whisper.getPeer(peerID)
+	if err != nil {
+		return err
+	}
+	p.trusted = true
+	if err := p2p.Send(p.ws, p2pRequestCode, request); err != nil {
+		return err
+	}
+	whisper.envelopeFeed.Send(EnvelopeEvent{
+		Peer:  p.peer.ID(),
+		Hash:  common.BytesToHash(request.ID),
+		Event: EventMailServerRequestSent,
+	})
+	return nil
+}
+
 func (whisper *Whisper) expireRequestHistoricMessages(peer enode.ID, hash common.Hash, timeout time.Duration) {
 	timer := time.NewTimer(timeout)
 	defer timer.Stop()
@@ -1075,7 +1095,7 @@ func (whisper *Whisper) runMessageLoop(p *Peer, rw p2p.MsgReadWriter) error {
 			// TODO(adam): currently, there is no feedback when a sync response
 			// is received. An idea to fix this:
 			//   1. Sending a request contains an ID,
-			//   2. Each sync reponse contains this ID,
+			//   2. Each sync response contains this ID,
 			//   3. There is a way to call whisper.SyncMessages() and wait for the response.Final to be received for that particular request ID.
 			//   4. If Cursor is not empty, another p2pSyncRequestCode should be sent.
 			if p.trusted && whisper.mailServer != nil {
@@ -1104,13 +1124,39 @@ func (whisper *Whisper) runMessageLoop(p *Peer, rw p2p.MsgReadWriter) error {
 		case p2pRequestCode:
 			// Must be processed if mail server is implemented. Otherwise ignore.
 			if whisper.mailServer != nil {
-				var request Envelope
+				// Read all data as we will try to decode it possibly twice.
-				if err := packet.Decode(&request); err != nil {
+				data, err := ioutil.ReadAll(packet.Payload)
-					log.Warn("failed to decode p2p request message, peer will be disconnected", "peer", p.peer.ID(), "err", err)
+				if err != nil {
-					return errors.New("invalid p2p request")
+					return fmt.Errorf("invalid direct messages: %v", err)
+				}
+				r := bytes.NewReader(data)
+				packet.Payload = r
+
+				var requestDeprecated Envelope
+				errDepReq := packet.Decode(&requestDeprecated)
+				if errDepReq == nil {
+					whisper.mailServer.DeliverMail(p, &requestDeprecated)
+					continue
+				} else {
+					log.Info("failed to decode p2p request message (deprecated)", "peer", p.peer.ID(), "err", errDepReq)
 				}
 
-				whisper.mailServer.DeliverMail(p, &request)
+				// As we failed to decode the request, let's set the offset
+				// to the beginning and try decode it again.
+				if _, err := r.Seek(0, io.SeekStart); err != nil {
+					return fmt.Errorf("invalid direct messages: %v", err)
+				}
+
+				var request MessagesRequest
+				errReq := packet.Decode(&request)
+				if errReq == nil {
+					whisper.mailServer.Deliver(p, request)
+					continue
+				} else {
+					log.Info("failed to decode p2p request message", "peer", p.peer.ID(), "err", errReq)
+				}
+
+				return errors.New("invalid p2p request")
 			}
 		case p2pRequestCompleteCode:
 			if p.trusted {

vendor/modules.txt

@@ -388,7 +388,7 @@ github.com/status-im/status-protocol-go/transport/whisper/types
 github.com/status-im/status-protocol-go/types
 github.com/status-im/status-protocol-go/v1
 github.com/status-im/status-protocol-go/zaputil
-# github.com/status-im/whisper v1.5.1
+# github.com/status-im/whisper v1.5.2
 github.com/status-im/whisper/whisperv6
 # github.com/steakknife/bloomfilter v0.0.0-20180922174646-6819c0d2a570
 github.com/steakknife/bloomfilter