Merge branch 'release/0.2.0'

2020-07-23 21:14:35 +03:00 · 2020-07-23 21:14:35 +03:00 · 751daf328b
commit 751daf328b
parent d97a4a9955 5c2d82a0b6
8 changed files with 646 additions and 1041 deletions
--- a/.gitignore
+++ b/.gitignore
@ -1,2 +1,4 @@
 *.avm
 *.nef
 config.json
 /vendor/
--- a/2
+++ b/2
@ -4,7 +4,7 @@ NEOGO?=neo-go
 .PHONY: build tests
 build:
-	$(NEOGO) contract compile -i neofs_contract.go
+	$(NEOGO) contract compile -i neofs_contract.go -c neofs_config.yml -m config.json
 tests:
 	go mod vendor
--- a/README.md
+++ b/README.md
@ -1,43 +1,31 @@
 # NeoFS smart-contract
-This smart-contract controls list of NeoFS Inner Ring nodes and provides
+This smart-contract controls list of NeoFS Inner Ring nodes, user assets in 
-methods to deposit and withdraw assets. These assets are used as a payment and 
+NeoFS balance contract and stores NeoFS runtime configuration.
 a reward for data storage. 
 ## Getting Started
 This repository contains:
-   NeoFS smart-contract written in Go
+-   NeoFS smart-contract in Go
 -   Unit tests for the smart-contract
 ### Prerequisites
 To compile smart-contract you need:
-   [neo-go](https://github.com/nspcc-dev/neo-go) >= 0.74.0
+-   [neo-go](https://github.com/nspcc-dev/neo-go) >= 0.90.0
 To run tests you need:
 -   [go](https://golang.org/dl/) >= 1.12
 ## Compiling
 To compile smart contract run `make build` command. Compiled contract
-`neofs_contract.avm` will be placed in the same directory.
+`neofs_contract.nef` and manifest `config.json` will be placed in the same 
 directory.
 ```
 $ make build
-neo-go contract compile -i neofs_contract.go                                                                                                                                                                              
+neo-go contract compile -i neofs_contract.go -c neofs_config.yml -m config.json
-02a600c56b6a007bc46a517bc468164e656f2e52756e74696d652e476574547269676765726165880d9e640700006c756668164e656f2e53746f726167652e476574436f6e74657874616a527bc46a00c376064465706c6f798764c7016a52c30d496e6e657252696e674c6973747c657c0d6a537bc46a5
+$ ls neofs_contract.nef config.json 
-3c3c000a0642f0019636f6e747261637420616c7265616479206465706c6f796564680f4e656f2e52756e74696d652e4c6f67f06a51c3c06a547bc46a54c35297009e6448003270726f76696465207061697273206f6620696e6e65722072696e67206164647265737320616e64207075626c6963206b65
+config.json  neofs_contract.nef
 ...
 c46a00c36a59c37c6592fd6476006a52c36a5ac36a59c3ad6469006a58c38b6a587bc4006a5b7bc46a5bc36a57c3c09f6444006a57c36a5bc3c36a59c387642b00156475706c6963617465207075626c6963206b657973680f4e656f2e52756e74696d652e4c6f67f06a5bc38b6a5b7bc462b7ff6a57c36
 a59c3787cc86a577bc46a53c30161936a537bc46234ff6a58c36a56c3a2640700516c75661e6e6f7420656e6f756768207665726966696564207369676e617475726573680f4e656f2e52756e74696d652e4c6f6761006c7566
 $ ls neofs_contract.avm 
 neofs_contract.avm
 ```
 You can specify path to the `neo-go` binary with `NEOGO` environment variable:
@ -46,57 +34,6 @@ You can specify path to the `neo-go` binary with `NEOGO` environment variable:
 $ NEOGO=/home/user/neo-go/bin/neo-go make build
 ```
 ## Running the tests
 `neofs_contract_test.go` file contains tests for most of the provided methods.
 It compiles smart-contract and uses instance of the NeoVM to run 
 code. 
 To test smart contract run `make tests` command.
 ```
 $ make tests 
 go mod vendor
 go test -mod=vendor -v -race github.com/nspcc-dev/neofs-contract
 === RUN   TestContract
    TestContract: neofs_contract_test.go:360: provide pairs of inner ring address and public key
    TestContract: neofs_contract_test.go:360: contract already deployed
 === RUN   TestContract/InnerRingAddress
    TestContract: neofs_contract_test.go:360: target element has been removed
 === RUN   TestContract/Deposit
    TestContract: neofs_contract_test.go:360: funds have been transfered
 === RUN   TestContract/Withdraw
 === RUN   TestContract/Withdraw/Double_Withdraw
    TestContract: neofs_contract_test.go:360: verification check has already been used
 === RUN   TestContract/InnerRingCandidateAdd
 === RUN   TestContract/InnerRingCandidateAdd/Double_InnerRingCandidateAdd
    TestContract: neofs_contract_test.go:360: is already in list
 === RUN   TestContract/InnerRingCandidateRemove
 === RUN   TestContract/InnerRingCandidateRemove/Remove_unknown_candidate
    TestContract: neofs_contract_test.go:360: target element has not been removed
    TestContract: neofs_contract_test.go:360: target element has not been removed
 === RUN   TestContract/InnerRingUpdate
    TestContract/InnerRingUpdate: neofs_contract_test.go:174: implement getIRExcludeCheque without neofs-node dependency
 --- PASS: TestContract (0.43s)
    --- PASS: TestContract/InnerRingAddress (0.00s)
    --- PASS: TestContract/Deposit (0.00s)
    --- PASS: TestContract/Withdraw (0.01s)
        --- PASS: TestContract/Withdraw/Double_Withdraw (0.00s)
    --- PASS: TestContract/InnerRingCandidateAdd (0.00s)
        --- PASS: TestContract/InnerRingCandidateAdd/Double_InnerRingCandidateAdd (0.00s)
    --- PASS: TestContract/InnerRingCandidateRemove (0.00s)
        --- PASS: TestContract/InnerRingCandidateRemove/Remove_unknown_candidate (0.00s)
    --- SKIP: TestContract/InnerRingUpdate (0.00s)
 PASS
 ok      github.com/nspcc-dev/neofs-contract     0.453s
 ```
 ### Skipped tests
 Some tests might be skipped for now. These tests used `neofs-node` 
 structures, that are not publicly available yet, e.g. cheque for 
 `InnerRingUpdate` call.
 ## License
 This project is licensed under the GPLv3 License - see the 
--- a/go.mod
+++ b/go.mod
@ -3,9 +3,12 @@ module github.com/nspcc-dev/neofs-contract
 go 1.12
 require (
-	github.com/multiformats/go-multiaddr v0.2.1
+	github.com/mr-tron/base58 v1.1.3 // indirect
-	github.com/nspcc-dev/neo-go v0.74.0
+	github.com/nspcc-dev/neo-go v0.90.0
 	github.com/nspcc-dev/neofs-api-go v0.5.0
 	github.com/nspcc-dev/neofs-crypto v0.3.0
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/stretchr/testify v1.5.1
 	golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550 // indirect
 	golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135 // indirect
 	gopkg.in/yaml.v2 v2.2.5 // indirect
 )
--- a/go.sum
+++ b/go.sum
@ -1,10 +1,14 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/CityOfZion/neo-go v0.62.1-pre.0.20191114145240-e740fbe708f8/go.mod h1:MJCkWUBhi9pn/CrYO1Q3P687y2KeahrOPS9BD9LDGb0=
 github.com/CityOfZion/neo-go v0.70.1-pre.0.20191209120015-fccb0085941e/go.mod h1:0enZl0az8xA6PVkwzEOwPWVJGqlt/GO4hA4kmQ5Xzig=
 github.com/CityOfZion/neo-go v0.70.1-pre.0.20191212173117-32ac01130d4c/go.mod h1:JtlHfeqLywZLswKIKFnAp+yzezY4Dji9qlfQKB2OD/I=
 github.com/CityOfZion/neo-go v0.71.1-pre.0.20200129171427-f773ec69fb84 h1:gcTXk9aO+PhHudJNPFJ9H4RmKjdzz40Tvv2NE1BwRZ0=
 github.com/CityOfZion/neo-go v0.71.1-pre.0.20200129171427-f773ec69fb84/go.mod h1:FLI526IrRWHmcsO+mHsCbj64pJZhwQFTLJZu+A4PGOA=
 github.com/DataDog/zstd v1.4.1 h1:3oxKN3wbHibqx897utPC2LTQU4J+IHWWJO+glkAkpFM=
 github.com/DataDog/zstd v1.4.1/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo=
 github.com/OneOfOne/xxhash v1.2.2 h1:KMrpdQIwFcEqXDklaen+P1axHaj9BSKzvpUUfnHldSE=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/Workiva/go-datastructures v1.0.50 h1:slDmfW6KCHcC7U+LP3DDBbm4fqTwZGn1beOFPfGaLvo=
 github.com/Workiva/go-datastructures v1.0.50/go.mod h1:Z+F2Rca0qCsVYDS8z7bAGm8f3UkzuWYS/oBZz5a7VVA=
 github.com/abiosoft/ishell v2.0.0+incompatible/go.mod h1:HQR9AqF2R3P4XXpMpI0NAzgHf/aS6+zVXRj14cVk9qg=
 github.com/abiosoft/readline v0.0.0-20180607040430-155bce2042db/go.mod h1:rB3B4rKii8V21ydCbIzH5hZiCQE7f5E9SzUb/ZZx530=
@ -12,108 +16,92 @@ github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuy
 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/alicebob/gopher-json v0.0.0-20180125190556-5a6b3ba71ee6 h1:45bxf7AZMwWcqkLzDAQugVEwedisr5nRJ1r+7LYnv0U=
 github.com/alicebob/gopher-json v0.0.0-20180125190556-5a6b3ba71ee6/go.mod h1:SGnFV6hVsYE877CKEZ6tDNTjaSXYUk6QqoIK6PrAtcc=
 github.com/alicebob/miniredis v2.5.0+incompatible h1:yBHoLpsyjupjz3NL3MhKMVkR41j82Yjf3KFv7ApYzUI=
 github.com/alicebob/miniredis v2.5.0+incompatible/go.mod h1:8HZjEj4yU0dwhYHky+DxYx+6BMjkBbe5ONFIF1MXffk=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/awalterschulze/gographviz v0.0.0-20181013152038-b2885df04310/go.mod h1:GEV5wmg4YquNw7v1kkyoX9etIk8yVmXj+AkDHuuETHs=
 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/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/cespare/xxhash/v2 v2.1.0 h1:yTUvW7Vhb89inJ+8irsUqiWjh8iT6sQPZiQzI6ReGkA=
 github.com/cespare/xxhash/v2 v2.1.0/go.mod h1:dgIUBU3pDso/gPgZ1osOZ0iQf77oPR28Tjxl5dIMyVM=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
 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=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
-github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 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/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
+github.com/dgraph-io/badger/v2 v2.0.3 h1:inzdf6VF/NZ+tJ8RwwYMjJMvsOALTHYdozn0qSl6XJI=
-github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
+github.com/dgraph-io/badger/v2 v2.0.3/go.mod h1:3KY8+bsP8wI0OEnQJAKpd4wIJW/Mm32yw2j/9FUVnIM=
-github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
+github.com/dgraph-io/ristretto v0.0.2-0.20200115201040-8f368f2f2ab3 h1:MQLRM35Pp0yAyBYksjbj1nZI/w6eyRY/mWoM1sFf4kU=
-github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
+github.com/dgraph-io/ristretto v0.0.2-0.20200115201040-8f368f2f2ab3/go.mod h1:KPxhHT9ZxKefz+PCeOGsrHpl1qZ7i70dGTu2u+Ahh6E=
 github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2 h1:tdlZCpZ/P9DhczCTSixgIKmwPv6+wP5DGjqLYw5SUiA=
 github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
 github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/etcd-io/bbolt v1.3.3/go.mod h1:ZF2nL25h33cCyBtcyWeZ2/I3HQOfTP+0PIEvHjkjCrw=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/flynn-archive/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:rZfgFAXFS/z/lEd6LJmf9HVZ1LkgYiHx5pHhV5DR16M=
 github.com/frankban/quicktest v1.10.0/go.mod h1:ui7WezCLWMWxVWr1GETZY3smRy0G4KWq9vcPtJmFl7Y=
 github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 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-redis/redis v6.10.2+incompatible h1:SLbqrO/Ik1nhXA5/cbEs1P5MUBo1Qq4ihlNfGnnipPw=
 github.com/go-redis/redis v6.10.2+incompatible/go.mod h1:NAIEuMOZ/fxfXJIrKDQDz8wamY7mA7PouImQ2Jvg6kA=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
 github.com/go-yaml/yaml v2.1.0+incompatible h1:RYi2hDdss1u4YE7GwixGzWwVo47T8UQwnTLB6vQiq+o=
 github.com/go-yaml/yaml v2.1.0+incompatible/go.mod h1:w2MrLa16VYP0jy6N7M5kHaCkaLENm+P+Tv+MfurjSw0=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
 github.com/gogo/protobuf v1.3.0/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
 github.com/gogo/protobuf v1.3.1 h1:DqDEcV5aeaTmdFBePNpYsp3FlcVH/2ISVVM9Qf8PSls=
 github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.3 h1:gyjaxf+svBWX08ZjK86iN9geUJF0H6gp2IRKX6Nf6/I=
 github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
 github.com/golang/snappy v0.0.0-20170215233205-553a64147049/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/gomodule/redigo v2.0.0+incompatible h1:K/R+8tc58AaqLkqG2Ol3Qk+DR/TlNuhuh457pBFPtt0=
 github.com/gomodule/redigo v2.0.0+incompatible/go.mod h1:B4C85qUVwatsJoIUNIfCRsp7qO0iAmpGFZ4EELWSbC4=
 github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 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/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
+github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
 github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
 github.com/grpc-ecosystem/grpc-gateway v1.9.0/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
-github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
+github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/json-iterator/go v1.1.7/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
 github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
 github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQLJ+jE2L00=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
 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=
-github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
+github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
 github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
 github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
 github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
 github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
 github.com/mattn/go-isatty v0.0.9/go.mod h1:YNRxwqDuOph6SZLI9vUUz6OYw3QyUt7WiY2yME+cCiQ=
 github.com/mattn/go-isatty v0.0.10/go.mod h1:qgIWMr58cqv1PHHyhnkY9lrL7etaEgOFcMEpPG5Rm84=
 github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
-github.com/minio/blake2b-simd v0.0.0-20160723061019-3f5f724cb5b1 h1:lYpkrQH5ajf0OXOcUbGjvZxxijuBwbbmlSxLiuofa+g=
+github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/minio/blake2b-simd v0.0.0-20160723061019-3f5f724cb5b1/go.mod h1:pD8RvIylQ358TN4wwqatJ8rNavkEINozVn9DtGI3dfQ=
 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/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
@ -122,40 +110,31 @@ github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3Rllmb
 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-multiaddr v0.2.1 h1:SgG/cw5vqyB5QQe5FPe2TqggU9WtrA9X4nZw7LlVqOI=
 github.com/multiformats/go-multiaddr v0.2.1/go.mod h1:s/Apk6IyxfvMjDafnhJgJ3/46z7tZ04iMk5wP4QMGGE=
 github.com/multiformats/go-multihash v0.0.13 h1:06x+mk/zj1FoMsgNejLpy6QTvJqlSt/BhLEy87zidlc=
 github.com/multiformats/go-multihash v0.0.13/go.mod h1:VdAWLKTwram9oKAatUcLxBNUjdtcVwxObEQBtRfuyjc=
 github.com/multiformats/go-varint v0.0.2/go.mod h1:3Ls8CIEsrijN6+B7PbrXRPxHRPuXSrVKRY101jdMZYE=
 github.com/multiformats/go-varint v0.0.5 h1:XVZwSo04Cs3j/jS0uAEPpT3JY6DzMcVLLoWOSnCxOjg=
 github.com/multiformats/go-varint v0.0.5/go.mod h1:3Ls8CIEsrijN6+B7PbrXRPxHRPuXSrVKRY101jdMZYE=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/nspcc-dev/dbft v0.0.0-20191205084618-dacb1a30c254/go.mod h1:w1Ln2aT+dBlPhLnuZhBV+DfPEdS2CHWWLp5JTScY3bw=
 github.com/nspcc-dev/dbft v0.0.0-20191209120240-0d6b7568d9ae/go.mod h1:3FjXOoHmA51EGfb5GS/HOv7VdmngNRTssSeQ729dvGY=
 github.com/nspcc-dev/dbft v0.0.0-20200117124306-478e5cfbf03a/go.mod h1:/YFK+XOxxg0Bfm6P92lY5eDSLYfp06XOdL8KAVgXjVk=
 github.com/nspcc-dev/dbft v0.0.0-20200219114139-199d286ed6c1/go.mod h1:O0qtn62prQSqizzoagHmuuKoz8QMkU3SzBoKdEvm3aQ=
-github.com/nspcc-dev/dbft v0.0.0-20200303183127-36d3da79c682/go.mod h1:1FYQXSbb6/9HQIkoF8XO7W/S8N7AZRkBsgwbcXRvk0E=
+github.com/nspcc-dev/dbft v0.0.0-20200711144034-c526ccc6f570 h1:EHBwlOyd2m06C3dnxhpPokpYqlNg7u5ZX/uPBhjYuZ4=
-github.com/nspcc-dev/hrw v1.0.8/go.mod h1:l/W2vx83vMQo6aStyx2AuZrJ+07lGv2JQGlVkPG06MU=
+github.com/nspcc-dev/dbft v0.0.0-20200711144034-c526ccc6f570/go.mod h1:1FYQXSbb6/9HQIkoF8XO7W/S8N7AZRkBsgwbcXRvk0E=
 github.com/nspcc-dev/neo-go v0.73.1-pre.0.20200303142215-f5a1b928ce09/go.mod h1:pPYwPZ2ks+uMnlRLUyXOpLieaDQSEaf4NM3zHVbRjmg=
-github.com/nspcc-dev/neo-go v0.74.0 h1:Y/XwUuA2aJNl1BG7KpyDO7mTrhMAlJzMUocBpIRQ2qQ=
+github.com/nspcc-dev/neo-go v0.90.0 h1:ABNDrJuF9C1XuLQu0q9DKSVMlg9eQn/g6rX8Jbr31bo=
-github.com/nspcc-dev/neo-go v0.74.0/go.mod h1:XK86lR5XNQYlkiR9g6R6zsjrMRsGy9yduYq7ft3uECc=
+github.com/nspcc-dev/neo-go v0.90.0/go.mod h1:pPFdnApJwUSRAnpdiPBZl7I7jv0doDg5naecpSPK4+Q=
 github.com/nspcc-dev/neofs-api-go v0.5.0 h1:YGX2lEjFmiFYmk8gCkLINJjSh6hToKp2oo0sG5u8G+4=
 github.com/nspcc-dev/neofs-api-go v0.5.0/go.mod h1:RlP++uLPHmXN81KWmdgBujo6FEeTn/b3aoQjHgKuNd4=
 github.com/nspcc-dev/neofs-crypto v0.2.0/go.mod h1:F/96fUzPM3wR+UGsPi3faVNmFlA9KAEAUQR7dMxZmNA=
 github.com/nspcc-dev/neofs-crypto v0.2.3/go.mod h1:8w16GEJbH6791ktVqHN9YRNH3s9BEEKYxGhlFnp0cDw=
 github.com/nspcc-dev/neofs-crypto v0.3.0 h1:zlr3pgoxuzrmGCxc5W8dGVfA9Rro8diFvVnBg0L4ifM=
 github.com/nspcc-dev/neofs-crypto v0.3.0/go.mod h1:8w16GEJbH6791ktVqHN9YRNH3s9BEEKYxGhlFnp0cDw=
 github.com/nspcc-dev/netmap v1.6.1/go.mod h1:mhV3UOg9ljQmu0teQShD6+JYX09XY5gu2I4hIByCH9M=
 github.com/nspcc-dev/rfc6979 v0.1.0/go.mod h1:exhIh1PdpDC5vQmyEsGvc4YDM/lyQp/452QxGq/UEso=
 github.com/nspcc-dev/rfc6979 v0.2.0 h1:3e1WNxrN60/6N0DW7+UYisLeZJyfqZTNOjeV/toYvOE=
 github.com/nspcc-dev/rfc6979 v0.2.0/go.mod h1:exhIh1PdpDC5vQmyEsGvc4YDM/lyQp/452QxGq/UEso=
 github.com/nspcc-dev/tzhash v1.4.0/go.mod h1:Z8gp/VZbyWgPhaMp/KTmeoW5UTynp/N60g0jTtSzBws=
 github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn4U=
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/ginkgo v1.10.3 h1:OoxbjfXVZyod1fmWYhI7SEyaD8B00ynP3T+D5GiyHOY=
 github.com/onsi/ginkgo v1.10.3/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/gomega v1.4.2/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
 github.com/onsi/gomega v1.7.1 h1:K0jcRCwNQM3vFGh1ppMtDh/+7ApJrjldlX8fA0jDTLQ=
 github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7JYyY=
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
 github.com/pierrec/lz4 v2.5.2+incompatible/go.mod h1:pdkljMzZIN41W+lC3N2tnIh5sFi+IEE17M5jbnwPHcY=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
@ -163,39 +142,32 @@ github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
 github.com/prometheus/client_golang v0.9.3/go.mod h1:/TN21ttK/J9q6uSwhBd54HahCDft0ttaMvbicHlPoso=
 github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5FsnadC4Ky3P0J6CfImo=
 github.com/prometheus/client_golang v1.2.1 h1:JnMpQc6ppsNgw9QPAGF6Dod479itz7lvlsMzzNayLOI=
 github.com/prometheus/client_golang v1.2.1/go.mod h1:XMU6Z2MjaRKVu/dC1qupJI9SiNkDYzz3xecMgSW/F+U=
 github.com/prometheus/client_golang v1.4.1/go.mod h1:e9GMxYsXl05ICDXkRhurwBS4Q3OK1iX/F2sw+iXX5zU=
 github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
 github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4 h1:gQz4mCbXsO+nc9n1hCxHcGA3Zx3Eo+UHZoInFGUIXNM=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/common v0.0.0-20181113130724-41aa239b4cce/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
 github.com/prometheus/common v0.4.0/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
 github.com/prometheus/common v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
 github.com/prometheus/common v0.7.0 h1:L+1lyG48J1zAQXA3RBX/nG/B3gjlHq0zTt2tlbJLyCY=
 github.com/prometheus/common v0.7.0/go.mod h1:DjGbpBbp5NYNiECxcL/VnbXCCaQpKd3tt26CguLLsqA=
 github.com/prometheus/common v0.9.1/go.mod h1:yhUN8i9wzaXS3w1O07YhxHEBxD+W35wd8bs7vj7HSQ4=
 github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
 github.com/prometheus/procfs v0.0.0-20190507164030-5867b95ac084/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
 github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
 github.com/prometheus/procfs v0.0.5 h1:3+auTFlqw+ZaQYJARz6ArODtkaIwtvBTx3N2NehQlL8=
 github.com/prometheus/procfs v0.0.5/go.mod h1:4A/X28fw3Fc593LaREMrKMqOKvUAntwMDaekg4FpcdQ=
-github.com/prometheus/procfs v0.0.8/go.mod h1:7Qr8sr6344vo1JqZ6HhLceV9o3AJ1Ff+GxbHq6oeK9A=
+github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
 github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU=
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
 github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
 github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
 github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4kGIyLM=
 github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
 github.com/spaolacci/murmur3 v1.1.0 h1:7c1g84S4BPRrfL5Xrdp6fOJ206sU9y293DDHaoy0bLI=
 github.com/spaolacci/murmur3 v1.1.0/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
 github.com/spf13/cobra v0.0.5/go.mod h1:3K3wKZymM7VvHMDS9+Akkh4K60UwM26emMESw8tLCHU=
 github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
-github.com/spf13/viper v1.6.2/go.mod h1:t3iDnF5Jlj76alVNuyFBk5oUMCvsrkbvZK0WQdfDi5k=
+github.com/spf13/viper v1.3.2/go.mod h1:ZiWeW+zYFKm7srdB9IoDzzZXaJaI5eL9QjNiN/DMA2s=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
@ -203,103 +175,75 @@ github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UV
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 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/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
+github.com/syndtr/goleveldb v0.0.0-20180307113352-169b1b37be73 h1:I2drr5K0tykBofr74ZEGliE/Hf6fNkEbcPyFvsy7wZk=
 github.com/syndtr/goleveldb v0.0.0-20180307113352-169b1b37be73/go.mod h1:Z4AUp2Km+PwemOoO/VB5AOx9XSsIItzFjoJlOSiYmn0=
-github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
+github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
 github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc=
 github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
 github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
 github.com/yuin/gopher-lua v0.0.0-20190514113301-1cd887cd7036/go.mod h1:gqRgreBUhTSL0GeU64rtZ3Uq3wtjOa/TB2YfrtkCbVQ=
 github.com/yuin/gopher-lua v0.0.0-20191128022950-c6266f4fe8d7 h1:Y17pEjKgx2X0A69WQPGa8hx/Myzu+4NdUxlkZpbAYio=
 github.com/yuin/gopher-lua v0.0.0-20191128022950-c6266f4fe8d7/go.mod h1:gqRgreBUhTSL0GeU64rtZ3Uq3wtjOa/TB2YfrtkCbVQ=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.etcd.io/bbolt v1.3.4 h1:hi1bXHMVrlQh6WwxAy+qZCV/SYIlqo+Ushwdpa4tAKg=
 go.etcd.io/bbolt v1.3.4/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ=
 go.uber.org/atomic v1.4.0 h1:cxzIVoETapQEqDhQu3QfnvXAV4AlzcvUCxkVUFw3+EU=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/multierr v1.1.0 h1:HoEmRHQPVSqub6w2z2d2EOVs2fjyFRGyofhKuyDq0QI=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
 go.uber.org/zap v1.10.0 h1:ORx85nbTijNz8ljznvCMR1ZBIPKFn3jQrag10X2AsuM=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550 h1:ObdrDkeb4kJdCP557AjRjq69pTHfNouLtWZG7j9rPN8=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
 golang.org/x/net v0.0.0-20190613194153-d28f0bde5980 h1:dfGZHvZk057jK2MCeWus/TowKpJ8y4AmooUzdBSR9GU=
 golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859 h1:R/3boaszxrf1GEUWTVDzSKVwLmSJpwZ1yqXm8j0v2QI=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 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 v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20181228144115-9a3f9b0469bb/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190204203706-41f3e6584952/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191010194322-b09406accb47/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200113162924-86b910548bc1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200122134326-e047566fdf82 h1:ywK/j/KkyTHcdyYSZNXGjMwgmDSfjglYZ3vStQ/gSCU=
+golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd h1:xhmwyvizuTgC2qz7ZlMluP20uW+C3Rm0FD/WLDX8884=
-golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180318012157-96caea41033d/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135 h1:5Beo0mZN8dRzgrMMkDp0jc8YXQKx9DiJ2k1dkvGsn5A=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55 h1:gSJIx1SDwno+2ElGhA4+qG2zF97qiUzTM+rQ0klBOcE=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.27.1 h1:zvIju4sqAGvwKspUQOhwnpcqSbzi7/H6QomNNjTL4sk=
 google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 gopkg.in/abiosoft/ishell.v2 v2.0.0/go.mod h1:sFp+cGtH6o4s1FtpVPTMcHq2yue+c4DGOVohJCPUzwY=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
-gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.5 h1:ymVxjfMaHvXD8RqPRmzHHsB3VvucivSkIAvJFDI5O3c=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
--- a/neofs_config.yml
+++ b/neofs_config.yml
@ -1,12 +1,2 @@
---
+hasstorage: true
-
+ispayable: false
 project:
  author: Neo SPCC
  email: ops@nspcc.ru
  version: 0.99
  name: Neofs Smart Contract
  hasstorage: true
  hasdynamicinvocation: true
  ispayable: true
  returntype: ByteArray
  parameters: ['String', 'Array']
--- a/neofs_contract.go
+++ b/neofs_contract.go
@ -1,29 +1,97 @@
 package smart_contract
 /*
 	NeoFS Smart Contract for NEO3.0.
 	Utility operations, executed once in deploy stage:
 	- Init(pubKey, ... )                    - setup initial inner ring nodes
 	- InitConfig(key, value, key, value...) - setup initial NeoFS configuration
 	User operations:
 	- Deposit(script-hash, amount, script-hash(?)) - deposit gas assets to this script-hash address to NeoFS balance
 	- Withdraw(script-hash, amount)                - initialize gas asset withdraw from NeoFS balance
 	- Bind(script-hash, pubKeys...)                - bind public key with user's account to use it in NeoFS requests
 	- Unbind(script-hash, pubKeys...)              - unbind public key from user's account
 	Inner ring list operations:
 	- InnerRingList()                  - returns array of inner ring node keys
 	- InnerRingCandidates()            - returns array of inner ring candidate node keys
 	- IsInnerRing(pubKey)              - returns 'true' if key is inside of inner ring list
 	- InnerRingCandidateAdd(pubKey)    - adds key to the list of inner ring candidates
 	- InnerRingCandidateRemove(pubKey) - removes key from the list of inner ring candidates
 	- InnerRingUpdate(id, pubKeys...)  - updates list of inner ring nodes with provided list of public keys
 	Config operations:
 	- Config(key)               - returns value of NeoFS configuration with key 'key'
 	- ListConfig()              - returns array of all key-value pairs of NeoFS configuration
 	- SetConfig(id, key, value) - set key-value pair as a NeoFS runtime configuration value
 	Other utility operations:
 	- Version                                       - returns contract version
 	- Cheque(id, script- hash, amount, script-hash) - sends gas assets back to the user if they were successfully
 	                                                  locked in NeoFS balance contract
 	Parameters:
 	- (?)    - parameter can be omitted
 	- pubKey - 33 bytes of public key
 	- id     - unique byte sequence
 */
 import (
 	"github.com/nspcc-dev/neo-go/pkg/interop/binary"
 	"github.com/nspcc-dev/neo-go/pkg/interop/blockchain"
 	"github.com/nspcc-dev/neo-go/pkg/interop/contract"
 	"github.com/nspcc-dev/neo-go/pkg/interop/crypto"
 	"github.com/nspcc-dev/neo-go/pkg/interop/engine"
 	"github.com/nspcc-dev/neo-go/pkg/interop/iterator"
 	"github.com/nspcc-dev/neo-go/pkg/interop/runtime"
 	"github.com/nspcc-dev/neo-go/pkg/interop/storage"
 	"github.com/nspcc-dev/neo-go/pkg/interop/util"
 )
-type node struct {
+type (
-	addr []byte
+	ballot struct {
 		id    []byte   // id of the voting decision
 		n     [][]byte // already voted inner ring nodes
 		block int      // block with the last vote
 	}
 	node struct {
 		pub []byte
-}
+	}
-type check struct {
+	cheque struct {
 		id []byte
-	height []byte
+	}
 }
-// GAS NEP-5 HASH
+	record struct {
-const tokenHash = "\x77\xea\x59\x6b\x7a\xdf\x7e\x4d\xd1\x40\x76\x97\x31\xb7\xd2\xf0\xe0\x6b\xcd\x9b"
+		key []byte
 		val []byte
 	}
 )
-const innerRingCandidateFee = 100 * 1000 * 1000 // 10^8
+const (
 	// native gas token script hash
 	tokenHash = "\x3b\x7d\x37\x11\xc6\xf0\xcc\xf9\xb1\xdc\xa9\x03\xd1\xbf\xa1\xd8\x96\xf1\x23\x8c"
-const version = 1
+	defaultCandidateFee   = 100 * 1_0000_0000 // 100 Fixed8 Gas
 	candidateFeeConfigKey = "InnerRingCandidateFee"
 	version = 2
 	innerRingKey     = "innerring"
 	voteKey          = "ballots"
 	candidatesKey    = "candidates"
 	cashedChequesKey = "cheques"
 	blockDiff        = 20 // change base on performance evaluation
 	publicKeySize    = 33
 	minInnerRingSize = 3
 )
 var (
 	configPrefix = []byte("config")
 )
 func Main(op string, args []interface{}) interface{} {
 	// The trigger determines whether this smart-contract is being
@ -32,122 +100,99 @@ func Main(op string, args []interface{}) interface{} {
 		return false
 	}
 	/*
 			Utility operations - they will be changed in production:
 			- Deploy(params: address, pubKey, ... )  - setup initial inner ring state
 			User operations:
 			- InnerRingList()                                - get list of inner ring nodes addresses and public keys
 			- InnerRingAddress(params: address, pubKey)      - update address of the inner ring node with given public key
 			- InnerRingCandidateRemove(params: pubKey)       - remove node with given public key from the inner ring candidate queue
 			- InnerRingCandidateAdd(params: address, pubKey) - add node to the inner ring candidate queue
 			- Deposit(params: pubKey, amount)                - deposit GAS to the NeoFS account
 			- Withdraw(params: withdrawCheque)               - withdraw GAS from the NeoFS account
 			- InnerRingUpdate(params: irCheque)              - change list of inner ring nodes
 			- Version()                                      - get version of the NeoFS smart-contract
 			Params:
 			- address        - string of the valid multiaddress (github.com/multiformats/multiaddr)
 			- pubKey         - 33 byte public key
 		    - withdrawCheque - serialized structure, that confirms GAS transfer;
 							   contains inner ring signatures
 			- irCheque       - serialized structure, that confirms new inner ring node list;
 							   contains inner ring signatures
 	*/
 	ctx := storage.GetContext()
 	switch op {
-	case "Deploy":
+	case "Init":
-		irList := getSerialized(ctx, "InnerRingList").([]node)
+		if storage.Get(ctx, innerRingKey) != nil {
-		if len(irList) >= 3 {
+			panic("neofs: contract already deployed")
 			panic("contract already deployed")
 		}
-		ln := len(args)
+		var irList []node
-		if ln%2 != 0 {
+
-			panic("provide pairs of inner ring address and public key")
+		for i := 0; i < len(args); i++ {
 			pub := args[i].([]byte)
 			irList = append(irList, node{pub: pub})
 		}
-		irList = []node{}
+		// initialize all storage slices
-		for i := 0; i < ln/2; i++ {
+		setSerialized(ctx, innerRingKey, irList)
-			addr := args[i*2].([]byte)
+		setSerialized(ctx, voteKey, []ballot{})
-			pub := args[i*2+1].([]byte)
+		setSerialized(ctx, candidatesKey, []node{})
-			irList = append(irList, node{addr: addr, pub: pub})
+		setSerialized(ctx, cashedChequesKey, []cheque{})
 		}
-		data := runtime.Serialize(irList)
+		runtime.Log("neofs: contract initialized")
 		storage.Put(ctx, "InnerRingList", data)
 		data = runtime.Serialize([]interface{}{})
 		storage.Put(ctx, "UsedVerifCheckList", data)
 		storage.Put(ctx, "InnerRingCandidates", data)
 		return true
 	case "InnerRingList":
-		irList := getSerialized(ctx, "InnerRingList").([]node)
+		return getInnerRingNodes(ctx, innerRingKey)
-
+	case "InnerRingCandidates":
-		return irList
+		return getInnerRingNodes(ctx, candidatesKey)
 	case "InnerRingAddress":
 		addr := args[0].([]byte)
 		pub := args[1].([]byte)
 		irList := getSerialized(ctx, "InnerRingList").([]node)
 		if !containsPub(irList, pub) {
 			panic("inner ring node does not exist")
 		}
 		if runtime.CheckWitness(pub) {
 			n := node{addr: addr, pub: pub}
 			delSerializedIR(ctx, "InnerRingList", pub)
 			putSerialized(ctx, "InnerRingList", n)
 		}
 		return true
 	case "InnerRingCandidateRemove":
-		data := args[0].([]byte) // public key
+		if len(args) != 1 {
-		if !runtime.CheckWitness(data) {
+			panic("irCandidateRemove: bad arguments")
 			panic("you should be the owner of the public key")
 		}
-		delSerializedIR(ctx, "InnerRingCandidates", data)
+		key := args[0].([]byte) // inner ring candidate public key
 		if !runtime.CheckWitness(key) {
 			panic("irCandidateRemove: you should be the owner of the public key")
 		}
 		nodes := []node{} // it is explicit declaration of empty slice, not nil
 		candidates := getInnerRingNodes(ctx, candidatesKey)
 		for i := range candidates {
 			c := candidates[i]
 			if !bytesEqual(c.pub, key) {
 				nodes = append(nodes, c)
 			} else {
 				runtime.Log("irCandidateRemove: candidate has been removed")
 			}
 		}
 		setSerialized(ctx, candidatesKey, nodes)
 		return true
 	case "InnerRingCandidateAdd":
-		addr := args[0].([]byte) // valid multiaddr string
+		if len(args) != 1 {
-		data := args[1].([]byte) // public key
+			panic("irCandidateAdd: bad arguments")
 		if !runtime.CheckWitness(data) {
 			panic("you should be the owner of the public key")
 		}
-		candidates := getSerialized(ctx, "InnerRingCandidates").([]node)
+		key := args[0].([]byte) // inner ring candidate public key
-		if containsPub(candidates, data) {
+		if !runtime.CheckWitness(key) {
-			panic("is already in list")
+			panic("irCandidateAdd: you should be the owner of the public key")
 		}
-		from := pubToScriptHash(data)
+		c := node{pub: key}
-		to := engine.GetExecutingScriptHash()
+		candidates := getInnerRingNodes(ctx, candidatesKey)
-		params := []interface{}{from, to, innerRingCandidateFee}
+
 		list, ok := addNode(candidates, c)
 		if !ok {
 			panic("irCandidateAdd: candidate already in the list")
 		}
 		from := contract.CreateStandardAccount(key)
 		to := runtime.GetExecutingScriptHash()
 		fee := getConfig(ctx, candidateFeeConfigKey).(int)
 		params := []interface{}{from, to, fee}
 		transferred := engine.AppCall([]byte(tokenHash), "transfer", params).(bool)
 		if !transferred {
-			panic("failed to transfer funds, aborting")
+			panic("irCandidateAdd: failed to transfer funds, aborting")
 		}
-		candidate := node{
+		runtime.Log("irCandidateAdd: candidate has been added")
-			addr: addr,
+		setSerialized(ctx, candidatesKey, list)
 			pub:  data,
 		}
 		if !putSerialized(ctx, "InnerRingCandidates", candidate) {
 			panic("failed to put candidate into the queue")
 		}
 		return true
 	case "Deposit":
-		pk := args[0].([]byte)
+		if len(args) < 2 || len(args) > 3 {
-		if !runtime.CheckWitness(pk) {
+			panic("deposit: bad arguments")
-			panic("you should be the owner of the public key")
+		}
 		from := args[0].([]byte)
 		if !runtime.CheckWitness(from) {
 			panic("deposit: you should be the owner of the wallet")
 		}
 		amount := args[1].(int)
@ -155,114 +200,290 @@ func Main(op string, args []interface{}) interface{} {
 			amount = amount * 100000000
 		}
-		from := pubToScriptHash(pk)
+		to := runtime.GetExecutingScriptHash()
 		to := engine.GetExecutingScriptHash()
 		params := []interface{}{from, to, amount}
 		transferred := engine.AppCall([]byte(tokenHash), "transfer", params).(bool)
 		if !transferred {
-			panic("failed to transfer funds, aborting")
+			panic("deposit: failed to transfer funds, aborting")
 		}
-		runtime.Log("funds have been transferred")
+		runtime.Log("deposit: funds have been transferred")
 		var rcv = from
 		if len(args) == 3 {
 			rcv = args[2].([]byte) // todo: check if rcv value is valid
 		}
 		tx := runtime.GetScriptContainer()
 		runtime.Notify("Deposit", from, amount, rcv, tx.Hash)
 		return true
 	case "Withdraw":
-		from := engine.GetExecutingScriptHash()
+		if len(args) != 2 {
-		data := args[0].([]byte)
+			panic("withdraw: bad arguments")
 		message := data[0:66]
 		uuid := data[0:25]
 		owner := data[25:50]
 		value := data[50:58]
 		height := data[58:66]
 		offset := 68
 		usedList := getSerialized(ctx, "UsedVerifCheckList").([]check)
 		c := check{
 			id:     uuid,
 			height: height,
 		}
 		if containsCheck(usedList, c) {
 			panic("verification check has already been used")
 		}
-		irList := getSerialized(ctx, "InnerRingList").([]node)
+		user := args[0].([]byte)
-		if !verifySignatures(irList, data, message, offset) {
+		if !runtime.CheckWitness(user) {
-			panic("can't verify signatures")
+			panic("withdraw: you should be the owner of the wallet")
 		}
-		h := owner[1:21]
+		amount := args[1].(int)
-		params := []interface{}{from, h, value}
+		if amount > 0 {
 			amount = amount * 100000000
 		}
 		tx := runtime.GetScriptContainer()
 		runtime.Notify("Withdraw", user, amount, tx.Hash)
 		return true
 	case "Cheque":
 		if len(args) != 4 {
 			panic("cheque: bad arguments")
 		}
 		id := args[0].([]byte)      // unique cheque id
 		user := args[1].([]byte)    // GAS receiver
 		amount := args[2].(int)     // amount of GAS
 		lockAcc := args[3].([]byte) // lock account from internal balance contract
 		irList := getInnerRingNodes(ctx, innerRingKey)
 		threshold := len(irList)/3*2 + 1
 		cashedCheques := getCashedCheques(ctx)
 		hashID := crypto.SHA256(id)
 		irKey := innerRingInvoker(irList)
 		if len(irKey) == 0 {
 			panic("cheque: invoked by non inner ring node")
 		}
 		c := cheque{id: id}
 		list, ok := addCheque(cashedCheques, c)
 		if !ok {
 			panic("cheque: non unique id")
 		}
 		n := vote(ctx, hashID, irKey)
 		if n >= threshold {
 			removeVotes(ctx, hashID)
 			from := runtime.GetExecutingScriptHash()
 			params := []interface{}{from, user, amount}
 			transferred := engine.AppCall([]byte(tokenHash), "transfer", params).(bool)
 			if !transferred {
-			panic("failed to transfer funds, aborting")
+				panic("cheque: failed to transfer funds, aborting")
 			}
-		putSerialized(ctx, "UsedVerifCheckList", c)
+			runtime.Log("cheque: funds have been transferred")
 			setSerialized(ctx, cashedChequesKey, list)
 			runtime.Notify("Cheque", id, user, amount, lockAcc)
 		}
 		return true
 	case "Bind", "Unbind":
 		if len(args) < 2 {
 			panic("binding: bad arguments")
 		}
 		user := args[0].([]byte)
 		if !runtime.CheckWitness(user) {
 			panic("binding: you should be the owner of the wallet")
 		}
 		var keys [][]byte
 		for i := 1; i < len(args); i++ {
 			pub := args[i].([]byte)
 			if len(pub) != publicKeySize {
 				panic("binding: incorrect public key size")
 			}
 			keys = append(keys, pub)
 		}
 		runtime.Notify(op, user, keys)
 		return true
 	case "InnerRingUpdate":
-		data := args[0].([]byte)
+		if len(args) < 1+minInnerRingSize {
-
+			// cheque id + inner ring public keys
-		id := data[:8]
+			panic("irUpdate: bad arguments")
 		var ln interface{} = data[8:10]
 		listItemCount := ln.(int)
 		listSize := listItemCount * 33
 		offset := 8 + 2 + listSize
 		msg := data[:offset]
 		message := crypto.SHA256(msg)
 		irList := getSerialized(ctx, "InnerRingList").([]node)
 		if !verifySignatures(irList, data, message, offset) {
 			panic("can't verify signatures")
 		}
-		usedList := getSerialized(ctx, "UsedVerifCheckList").([]check)
+		irList := getInnerRingNodes(ctx, innerRingKey)
-		c := check{
+		threshold := len(irList)/3*2 + 1
-			id:     id,
+
-			height: []byte{1}, // ir update cheques use height as id
+		irKey := innerRingInvoker(irList)
-		}
+		if len(irKey) == 0 {
-		if containsCheck(usedList, c) {
+			panic("innerRingUpdate: invoked by non inner ring node")
 			panic("check has already been used")
 		}
-		candidates := getSerialized(ctx, "InnerRingCandidates").([]node)
+		id := args[0].([]byte)
-		offset = 10
+		c := cheque{id: id}
 		cashedCheques := getCashedCheques(ctx)
 		chequesList, ok := addCheque(cashedCheques, c)
 		if !ok {
 			panic("irUpdate: non unique id")
 		}
 		oldNodes := 0
 		candidates := getInnerRingNodes(ctx, candidatesKey)
 		newIR := []node{}
 	loop:
-		for i := 0; i < listItemCount; i, offset = i+1, offset+33 {
+		for i := 1; i < len(args); i++ {
-			pub := data[offset : offset+33]
+			key := args[i].([]byte)
 			if len(key) != publicKeySize {
 				panic("irUpdate: invalid public key in inner ring list")
 			}
 			// find key in actual inner ring list
 			for j := 0; j < len(irList); j++ {
 				n := irList[j]
-				if util.Equals(n.pub, pub) {
+				if bytesEqual(n.pub, key) {
 					newIR = append(newIR, n)
 					oldNodes++
 					continue loop
 				}
 			}
-			for j := 0; j < len(candidates); j++ {
+			// find key in candidates list
-				n := candidates[j]
+			candidates, newIR, ok = rmNodeByKey(candidates, newIR, key)
-				if util.Equals(n.pub, pub) {
+			if !ok {
-					newIR = append(newIR, n)
+				panic("irUpdate: unknown public key in inner ring list")
 					continue loop
 				}
 			}
 		}
-		if len(newIR) != listItemCount {
+		if oldNodes < len(newIR)*2/3+1 {
-			panic("new inner ring wasn't processed correctly")
+			panic("irUpdate: inner ring change rate must not be more than 1/3 ")
 		}
-		for i := 0; i < len(newIR); i++ {
+		hashID := crypto.SHA256(id)
-			n := newIR[i]
+
-			delSerializedIR(ctx, "InnerRingCandidates", n.pub)
+		n := vote(ctx, hashID, irKey)
 		if n >= threshold {
 			removeVotes(ctx, hashID)
 			setSerialized(ctx, candidatesKey, candidates)
 			setSerialized(ctx, innerRingKey, newIR)
 			setSerialized(ctx, cashedChequesKey, chequesList)
 			runtime.Notify("InnerRingUpdate", c.id, newIR)
 			runtime.Log("irUpdate: inner ring list has been updated")
 		}
-		newIRData := runtime.Serialize(newIR)
+		return true
-		storage.Put(ctx, "InnerRingList", newIRData)
+	case "IsInnerRing":
-		putSerialized(ctx, "UsedVerifCheckList", c)
+		if len(args) != 1 {
 			panic("isInnerRing: wrong arguments")
 		}
 		key := args[0].([]byte)
 		if len(key) != publicKeySize {
 			panic("isInnerRing: incorrect public key")
 		}
 		irList := getInnerRingNodes(ctx, innerRingKey)
 		for i := range irList {
 			node := irList[i]
 			if bytesEqual(node.pub, key) {
 				return true
 			}
 		}
 		return false
 	case "Config":
 		if len(args) != 1 {
 			panic("config: bad arguments")
 		}
 		key := args[0].([]byte)
 		return getConfig(ctx, key)
 	case "SetConfig":
 		if len(args) != 3 {
 			panic("setConfig: bad arguments")
 		}
 		// check if it is inner ring invocation
 		irList := getInnerRingNodes(ctx, innerRingKey)
 		threshold := len(irList)/3*2 + 1
 		irKey := innerRingInvoker(irList)
 		if len(irKey) == 0 {
 			panic("setConfig: invoked by non inner ring node")
 		}
 		// check unique id of the operation
 		id := args[0].([]byte)
 		c := cheque{id: id}
 		cashedCheques := getCashedCheques(ctx)
 		chequesList, ok := addCheque(cashedCheques, c)
 		if !ok {
 			panic("setConfig: non unique id")
 		}
 		// vote for new configuration value
 		hashID := crypto.SHA256(id)
 		n := vote(ctx, hashID, irKey)
 		if n >= threshold {
 			removeVotes(ctx, hashID)
 			key := args[1]
 			val := args[2]
 			setConfig(ctx, key, val)
 			setSerialized(ctx, cashedChequesKey, chequesList)
 			runtime.Notify("SetConfig", id, key, val)
 			runtime.Log("setConfig: configuration has been updated")
 		}
 		return true
 	case "ListConfig":
 		var config []record
 		it := storage.Find(ctx, configPrefix)
 		for iterator.Next(it) {
 			key := iterator.Key(it).([]byte)
 			val := iterator.Value(it).([]byte)
 			r := record{key: key[len(configPrefix):], val: val}
 			config = append(config, r)
 		}
 		return config
 	case "InitConfig":
 		if getConfig(ctx, candidateFeeConfigKey) != nil {
 			panic("neofs: configuration already installed")
 		}
 		ln := len(args)
 		if ln%2 != 0 {
 			panic("initConfig: bad arguments")
 		}
 		setConfig(ctx, candidateFeeConfigKey, defaultCandidateFee)
 		for i := 0; i < ln/2; i++ {
 			key := args[i*2]
 			val := args[i*2+1]
 			setConfig(ctx, key, val)
 		}
 		runtime.Log("neofs: config has been installed")
 		return true
 	case "Version":
@ -272,144 +493,186 @@ func Main(op string, args []interface{}) interface{} {
 	panic("unknown operation")
 }
-func getSerialized(ctx storage.Context, key string) interface{} {
+// innerRingInvoker returns public key of inner ring node that invoked contract.
-	data := storage.Get(ctx, key).([]byte)
+func innerRingInvoker(ir []node) []byte {
-	if len(data) != 0 {
+	for i := 0; i < len(ir); i++ {
-		return runtime.Deserialize(data)
+		node := ir[i]
 		if runtime.CheckWitness(node.pub) {
 			return node.pub
 		}
 	}
 	return nil
 }
-func delSerialized(ctx storage.Context, key string, value []byte) bool {
+// vote adds ballot for the decision with specific 'id' and returns amount
-	data := storage.Get(ctx, key).([]byte)
+// on unique voters for that decision.
-	deleted := false
+func vote(ctx storage.Context, id, from []byte) int {
 	var (
 		newCandidates = []ballot{} // it is explicit declaration of empty slice, not nil
 		candidates    = getBallots(ctx)
 		found         = -1
 		blockHeight   = blockchain.GetHeight()
 	)
-	var newList [][]byte
+	for i := 0; i < len(candidates); i++ {
-	if len(data) != 0 {
+		cnd := candidates[i]
-		lst := runtime.Deserialize(data).([][]byte)
+		if bytesEqual(cnd.id, id) {
-		for i := 0; i < len(lst); i++ {
+			voters := cnd.n
-			if util.Equals(value, lst[i]) {
+
-				deleted = true
+			for j := range voters {
-			} else {
+				if bytesEqual(voters[j], from) {
-				newList = append(newList, lst[i])
+					return len(voters)
 				}
 			}
-		if deleted {
+
-			if len(newList) != 0 {
+			voters = append(voters, from)
-				data := runtime.Serialize(newList)
+			cnd = ballot{id: id, n: voters, block: blockHeight}
 			found = len(voters)
 		}
 		// do not add old ballots, they are invalid
 		if blockHeight-cnd.block <= blockDiff {
 			newCandidates = append(newCandidates, cnd)
 		}
 	}
 	if found < 0 {
 		found = 1
 		voters := [][]byte{from}
 		newCandidates = append(newCandidates, ballot{
 			id:    id,
 			n:     voters,
 			block: blockHeight})
 	}
 	setSerialized(ctx, voteKey, newCandidates)
 	return found
 }
 // removeVotes clears ballots of the decision that has benn aceepted by
 // inner ring nodes.
 func removeVotes(ctx storage.Context, id []byte) {
 	var (
 		newCandidates = []ballot{} // it is explicit declaration of empty slice, not nil
 		candidates    = getBallots(ctx)
 	)
 	for i := 0; i < len(candidates); i++ {
 		cnd := candidates[i]
 		if !bytesEqual(cnd.id, id) {
 			newCandidates = append(newCandidates, cnd)
 		}
 	}
 	setSerialized(ctx, voteKey, newCandidates)
 }
 // setSerialized serializes data and puts it into contract storage.
 func setSerialized(ctx storage.Context, key interface{}, value interface{}) {
 	data := binary.Serialize(value)
 	storage.Put(ctx, key, data)
 }
 // getInnerRingNodes returns deserialized slice of inner ring nodes from storage.
 func getInnerRingNodes(ctx storage.Context, key string) []node {
 	data := storage.Get(ctx, key)
 	if data != nil {
 		return binary.Deserialize(data.([]byte)).([]node)
 	}
 	return []node{}
 }
 // getInnerRingNodes returns deserialized slice of used cheques.
 func getCashedCheques(ctx storage.Context) []cheque {
 	data := storage.Get(ctx, cashedChequesKey)
 	if data != nil {
 		return binary.Deserialize(data.([]byte)).([]cheque)
 	}
 	return []cheque{}
 }
 // getInnerRingNodes returns deserialized slice of vote ballots.
 func getBallots(ctx storage.Context) []ballot {
 	data := storage.Get(ctx, voteKey)
 	if data != nil {
 		return binary.Deserialize(data.([]byte)).([]ballot)
 	}
 	return []ballot{}
 }
 // getConfig returns installed neofs configuration value or nil if it is not set.
 func getConfig(ctx storage.Context, key interface{}) interface{} {
 	postfix := key.([]byte)
 	storageKey := append(configPrefix, postfix...)
 	return storage.Get(ctx, storageKey)
 }
 // setConfig sets neofs configuration value in the contract storage.
 func setConfig(ctx storage.Context, key, val interface{}) {
 	postfix := key.([]byte)
 	storageKey := append(configPrefix, postfix...)
 	storage.Put(ctx, storageKey, val)
 }
 // addCheque returns slice of cheques with appended cheque 'c' and bool flag
 // that set to false if cheque 'c' is already presented in the slice 'lst'.
 func addCheque(lst []cheque, c cheque) ([]cheque, bool) {
 	for i := 0; i < len(lst); i++ {
 		if bytesEqual(c.id, lst[i].id) {
 			return nil, false
 		}
 	}
 	lst = append(lst, c)
 	return lst, true
 }
 // addNode returns slice of nodes with appended node 'n' and bool flag
 // that set to false if node 'n' is already presented in the slice 'lst'.
 func addNode(lst []node, n node) ([]node, bool) {
 	for i := 0; i < len(lst); i++ {
 		if bytesEqual(n.pub, lst[i].pub) {
 			return nil, false
 		}
 	}
 	lst = append(lst, n)
 	return lst, true
 }
 // rmNodeByKey returns slice of nodes without node with key 'k',
 // slices of nodes 'add' with node with key 'k' and bool flag,
 // that set to false if node with a key 'k' does not exists in the slice 'lst'.
 func rmNodeByKey(lst, add []node, k []byte) ([]node, []node, bool) {
 	var (
 		flag   bool
 		newLst = []node{} // it is explicit declaration of empty slice, not nil
 	)
 	for i := 0; i < len(lst); i++ {
 		if bytesEqual(k, lst[i].pub) {
 			add = append(add, lst[i])
 			flag = true
 		} else {
-				storage.Delete(ctx, key)
+			newLst = append(newLst, lst[i])
 		}
 			runtime.Log("target element has been removed")
 			return true
 	}
-	}
+	return newLst, add, flag
 	runtime.Log("target element has not been removed")
 	return false
 }
-func putSerialized(ctx storage.Context, key string, value interface{}) bool {
+// bytesEqual compares two slice of bytes by wrapping them into strings,
-	data := storage.Get(ctx, key).([]byte)
+// which is necessary with new util.Equal interop behaviour, see neo-go#1176.
-
+func bytesEqual(a []byte, b []byte) bool {
-	var lst []interface{}
+	return util.Equals(string(a), string(b))
 	if len(data) != 0 {
 		lst = runtime.Deserialize(data).([]interface{})
 	}
 	lst = append(lst, value)
 	data = runtime.Serialize(lst)
 	storage.Put(ctx, key, data)
 	return true
 }
 func pubToScriptHash(pkey []byte) []byte {
 	pre := []byte{0x21}
 	buf := append(pre, pkey...)
 	buf = append(buf, 0xac)
 	h := crypto.Hash160(buf)
 	return h
 }
 func containsCheck(lst []check, c check) bool {
 	for i := 0; i < len(lst); i++ {
 		if util.Equals(c, lst[i]) {
 			return true
 		}
 	}
 	return false
 }
 func containsPub(lst []node, elem []byte) bool {
 	for i := 0; i < len(lst); i++ {
 		e := lst[i]
 		if util.Equals(elem, e.pub) {
 			return true
 		}
 	}
 	return false
 }
 func delSerializedIR(ctx storage.Context, key string, value []byte) bool {
 	data := storage.Get(ctx, key).([]byte)
 	deleted := false
 	newList := []node{}
 	if len(data) != 0 {
 		lst := runtime.Deserialize(data).([]node)
 		for i := 0; i < len(lst); i++ {
 			n := lst[i]
 			if util.Equals(value, n.pub) {
 				deleted = true
 			} else {
 				newList = append(newList, n)
 			}
 		}
 		if deleted {
 			data := runtime.Serialize(newList)
 			storage.Put(ctx, key, data)
 			runtime.Log("target element has been removed")
 			return true
 		}
 	}
 	runtime.Log("target element has not been removed")
 	return false
 }
 func verifySignatures(irList []node, data []byte, message []byte, offset int) bool {
 	n := len(irList)
 	f := (n - 1) / 3
 	s := n - f
 	if s < 3 {
 		runtime.Log("not enough inner ring nodes for consensus")
 		return false
 	}
 	used := [][]byte{}
 	count := 0
 	for count < s && offset < len(data) {
 		pubkey := data[offset : offset+33]
 		signature := data[offset+33 : offset+97]
 		if containsPub(irList, pubkey) {
 			if crypto.VerifySignature(message, signature, pubkey) {
 				count++
 				for i := 0; i < len(used); i++ {
 					if util.Equals(used[i], pubkey) {
 						panic("duplicate public keys")
 					}
 				}
 				used = append(used, pubkey)
 			}
 		}
 		offset += 97
 	}
 	if count >= s {
 		return true
 	}
 	runtime.Log("not enough verified signatures")
 	return false
 }
--- a/neofs_contract_test.go
+++ b/neofs_contract_test.go
@ -1,534 +0,0 @@
 package smart_contract
 import (
 	"bytes"
 	"crypto/ecdsa"
 	"crypto/elliptic"
 	"crypto/rand"
 	"encoding/hex"
 	"fmt"
 	"math/big"
 	"os"
 	"testing"
 	"github.com/multiformats/go-multiaddr"
 	"github.com/nspcc-dev/neo-go/pkg/compiler"
 	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
 	"github.com/nspcc-dev/neo-go/pkg/io"
 	"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
 	"github.com/nspcc-dev/neo-go/pkg/util"
 	"github.com/nspcc-dev/neo-go/pkg/vm"
 	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
 	"github.com/nspcc-dev/neofs-api-go/accounting"
 	"github.com/nspcc-dev/neofs-api-go/decimal"
 	"github.com/nspcc-dev/neofs-api-go/refs"
 	crypto "github.com/nspcc-dev/neofs-crypto"
 	"github.com/nspcc-dev/neofs-crypto/test"
 	"github.com/stretchr/testify/require"
 )
 const contractTemplate = "./neofs_contract.go"
 var (
 	contractHash = util.Uint160{0x1, 0x2, 0x3, 0x4}
 	// token hash is not random to run tests of .avm or .go files
 	contractStr = string(contractHash[:])
 )
 type contract struct {
 	script   []byte
 	addrs    []multiaddr.Multiaddr
 	privs    []*ecdsa.PrivateKey
 	cgasHash string
 }
 func TestContract(t *testing.T) {
 	const nodeCount = 6
 	plug := newStoragePlugin(t)
 	contract := initGoContract(t, contractTemplate, nodeCount)
 	plug.cgas[contractStr] = util.Fixed8FromInt64(1000)
 	// fail if odd number of arguments provided
 	v := initVM(contract, plug)
 	loadArg(t, v, "Deploy", []interface{}{contract.addrs[0].String()})
 	require.Error(t, v.Run())
 	// correct arguments
 	var args []interface{}
 	for i := range contract.addrs {
 		args = append(args, contract.addrs[i].String())
 		args = append(args, crypto.MarshalPublicKey(&contract.privs[i].PublicKey))
 	}
 	v = initVM(contract, plug)
 	loadArg(t, v, "Deploy", args)
 	require.NoError(t, v.Run())
 	// double withdraw
 	v = initVM(contract, plug)
 	loadArg(t, v, "Deploy", args)
 	require.Error(t, v.Run())
 	t.Run("InnerRingAddress", func(t *testing.T) {
 		newAddr, err := multiaddr.NewMultiaddr("/dns6/fdb5:7305:0adf:0b0b::/tcp/8080")
 		require.NoError(t, err)
 		previousAddr := contract.addrs[0]
 		key := crypto.MarshalPublicKey(&contract.privs[0].PublicKey)
 		v := initVM(contract, plug)
 		loadArg(t, v, "InnerRingAddress", []interface{}{newAddr.String(), key})
 		require.NoError(t, v.Run())
 		require.False(t, bytes.Contains(plug.mem["InnerRingList"], []byte(previousAddr.String())))
 		require.True(t, bytes.Contains(plug.mem["InnerRingList"], []byte(newAddr.String())))
 		contract.addrs[0] = newAddr
 	})
 	t.Run("Deposit", func(t *testing.T) {
 		v := initVM(contract, plug)
 		before := plug.cgas[contractStr]
 		key := mustHex("031a6c6fbbdf02ca351745fa86b9ba5a9452d785ac4f7fc2b7548ca2a46c4fcf4a")
 		plug.setCGASBalance(key, 4000)
 		loadArg(t, v, "Deposit", []interface{}{key, 1000})
 		require.NoError(t, v.Run())
 		require.Equal(t, before+util.Fixed8FromInt64(1000), plug.cgas[contractStr])
 		require.Equal(t, util.Fixed8FromInt64(3000), plug.cgas[string(mustPKey(key).GetScriptHash().BytesBE())])
 	})
 	t.Run("Withdraw", func(t *testing.T) {
 		const amount = 21
 		v := initVM(contract, plug)
 		owner, cheque := getCheque(t, contract, amount)
 		ownerStr := string(owner[1:21])
 		contractGas := plug.cgas[contractStr]
 		loadArg(t, v, "Withdraw", []interface{}{cheque})
 		require.NoError(t, v.Run())
 		require.Equal(t, contractGas-util.Fixed8FromInt64(amount), plug.cgas[contractStr])
 		require.Equal(t, util.Fixed8FromInt64(amount), plug.cgas[ownerStr])
 		t.Run("Double Withdraw", func(t *testing.T) {
 			v := initVM(contract, plug)
 			loadArg(t, v, "Withdraw", []interface{}{cheque})
 			require.Error(t, v.Run())
 		})
 	})
 	t.Run("InnerRingCandidateAdd", func(t *testing.T) {
 		v := initVM(contract, plug)
 		before := plug.cgas[contractStr]
 		key := crypto.MarshalPublicKey(&test.DecodeKey(1).PublicKey)
 		plug.setCGASBalance(key, 4000)
 		loadArg(t, v, "InnerRingCandidateAdd", []interface{}{"/ip6/2001:4860:4860::8888/tcp/80", key})
 		require.NoError(t, v.Run())
 		fee := util.Fixed8FromInt64(1)
 		require.Equal(t, before+fee, plug.cgas[contractStr])
 		require.Equal(t, util.Fixed8FromInt64(4000)-fee,
 			plug.cgas[string(mustPKey(key).GetScriptHash().BytesBE())])
 		require.True(t, bytes.Contains(plug.mem["InnerRingCandidates"], key))
 		t.Run("Double InnerRingCandidateAdd", func(t *testing.T) {
 			v := initVM(contract, plug)
 			loadArg(t, v, "InnerRingCandidateAdd", []interface{}{"/ip4/8.8.8.8/tcp/80", key})
 			require.Error(t, v.Run())
 		})
 	})
 	t.Run("InnerRingCandidateRemove", func(t *testing.T) {
 		key := crypto.MarshalPublicKey(&test.DecodeKey(2).PublicKey)
 		plug.setCGASBalance(key, 4000)
 		v := initVM(contract, plug)
 		loadArg(t, v, "InnerRingCandidateAdd", []interface{}{"/ip6/2001:4860:4860::8888/tcp/80", key})
 		require.NoError(t, v.Run())
 		require.True(t, bytes.Contains(plug.mem["InnerRingCandidates"], key))
 		t.Run("Remove unknown candidate", func(t *testing.T) {
 			v := initVM(contract, plug)
 			// unknown candidate
 			badKey := crypto.MarshalPublicKey(&test.DecodeKey(3).PublicKey)
 			loadArg(t, v, "InnerRingCandidateRemove", []interface{}{badKey})
 			require.NoError(t, v.Run())
 			require.True(t, bytes.Contains(plug.mem["InnerRingCandidates"], key))
 		})
 		v = initVM(contract, plug)
 		key = mustHex("031a6c6fbbdf02ca351745fa86b9ba5a9452d785ac4f7fc2b7548ca2a46c4fcf4a")
 		loadArg(t, v, "InnerRingCandidateRemove", []interface{}{key})
 		require.NoError(t, v.Run())
 		require.False(t, bytes.Contains(plug.mem["InnerRingCandidates"], key))
 	})
 	t.Run("InnerRingUpdate", func(t *testing.T) {
 		t.Skip("implement getIRExcludeCheque without neofs-node dependency")
 		pubKey := &test.DecodeKey(4).PublicKey
 		key := crypto.MarshalPublicKey(pubKey)
 		plug.setCGASBalance(key, 4000)
 		var pubs []*ecdsa.PublicKey
 		for i := 0; i < len(contract.privs)-1; i++ {
 			pubs = append(pubs, &contract.privs[i].PublicKey)
 		}
 		pubs = append(pubs, pubKey)
 		cheque := getIRExcludeCheque(t, contract, pubs, 777)
 		t.Run("Try without candidate", func(t *testing.T) {
 			v := initVM(contract, plug)
 			loadArg(t, v, "InnerRingUpdate", []interface{}{cheque})
 			require.Error(t, v.Run())
 		})
 		v := initVM(contract, plug)
 		loadArg(t, v, "InnerRingCandidateAdd", []interface{}{"addrX", key})
 		require.NoError(t, v.Run())
 		v = initVM(contract, plug)
 		loadArg(t, v, "InnerRingUpdate", []interface{}{cheque})
 		require.NoError(t, v.Run())
 		for i := 0; i < len(contract.privs)-1; i++ {
 			require.True(t, bytes.Contains(plug.mem["InnerRingList"],
 				crypto.MarshalPublicKey(&contract.privs[i].PublicKey)))
 		}
 		require.True(t, bytes.Contains(plug.mem["InnerRingList"], key))
 		t.Run("Double InnerRingUpdate", func(t *testing.T) {
 			newCheque := getIRExcludeCheque(t, contract, pubs, 777)
 			v = initVM(contract, plug)
 			loadArg(t, v, "InnerRingUpdate", []interface{}{newCheque})
 			require.Error(t, v.Run())
 		})
 	})
 }
 func getCheque(t *testing.T, c *contract, amount int64) (refs.OwnerID, []byte) {
 	id, err := accounting.NewChequeID()
 	require.NoError(t, err)
 	priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
 	require.NoError(t, err)
 	owner, err := refs.NewOwnerID(&priv.PublicKey)
 	require.NoError(t, err)
 	cheque := accounting.Cheque{
 		ID:     id,
 		Owner:  owner,
 		Amount: decimal.NewGAS(amount),
 		Height: 0,
 	}
 	for _, key := range c.privs {
 		require.NoError(t, cheque.Sign(key))
 	}
 	data, err := cheque.MarshalBinary()
 	require.NoError(t, err)
 	return owner, data
 }
 func getIRExcludeCheque(t *testing.T, c *contract, pub []*ecdsa.PublicKey, id uint64) []byte {
 	panic("implement without neofs-node dependency")
 }
 func initGoContract(t *testing.T, path string, n int) *contract {
 	f, err := os.Open(path)
 	require.NoError(t, err)
 	defer f.Close()
 	buf, err := compiler.Compile(f)
 	require.NoError(t, err)
 	return &contract{script: buf, privs: getKeys(t, n), addrs: getAddrs(t, n)}
 }
 func getKeys(t *testing.T, n int) []*ecdsa.PrivateKey {
 	privs := make([]*ecdsa.PrivateKey, n)
 	for i := range privs {
 		var err error
 		privs[i], err = ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
 		require.NoError(t, err)
 	}
 	return privs
 }
 func getAddrs(t *testing.T, n int) []multiaddr.Multiaddr {
 	const template = "/dns4/10.120.14.%d/tcp/8080"
 	addrs := make([]multiaddr.Multiaddr, n)
 	for i := range addrs {
 		var err error
 		addrs[i], err = multiaddr.NewMultiaddr(fmt.Sprintf(template, i))
 		require.NoError(t, err)
 	}
 	return addrs
 }
 func mustHex(s string) []byte {
 	result, err := hex.DecodeString(s)
 	if err != nil {
 		panic(fmt.Errorf("invalid hex: %v", err))
 	}
 	return result
 }
 func initVM(c *contract, plug *storagePlugin) *vm.VM {
 	v := vm.New()
 	v.Load(c.script)
 	v.SetScriptGetter(plug.getScript)
 	v.RegisterInteropGetter(plug.getInterop)
 	return v
 }
 func loadArg(t *testing.T, v *vm.VM, operation string, params []interface{}) {
 	arr := make([]vm.StackItem, len(params))
 	for i := range arr {
 		arr[i] = toStackItem(params[i])
 		require.NotNil(t, arr[i], "invalid stack item")
 	}
 	v.Estack().PushVal(vm.NewArrayItem(arr))
 	v.Estack().PushVal(operation)
 }
 func toStackItem(v interface{}) vm.StackItem {
 	switch val := v.(type) {
 	case int:
 		return vm.NewBigIntegerItem(val)
 	case string:
 		return vm.NewByteArrayItem([]byte(val))
 	case []byte:
 		return vm.NewByteArrayItem(val)
 	default:
 		return nil
 	}
 }
 const cgasSyscall = "MockCGAS"
 type kv struct {
 	Operation string
 	Key       []byte
 	Value     []byte
 }
 type storagePlugin struct {
 	mem        map[string][]byte
 	cgas       map[string]util.Fixed8
 	interops   map[uint32]vm.InteropFunc
 	storageOps []kv
 	notify     []interface{}
 }
 func newStoragePlugin(t *testing.T) *storagePlugin {
 	s := &storagePlugin{
 		mem:      make(map[string][]byte),
 		cgas:     make(map[string]util.Fixed8),
 		interops: make(map[uint32]vm.InteropFunc),
 	}
 	s.interops[getID("Neo.Storage.Delete")] = s.Delete
 	s.interops[getID("Neo.Storage.Get")] = s.Get
 	s.interops[getID("Neo.Storage.GetContext")] = s.GetContext
 	s.interops[getID("Neo.Storage.Put")] = s.Put
 	s.interops[getID("Neo.Runtime.GetExecutingScriptHash")] = s.GetExecutingScriptHash
 	s.interops[getID("Neo.Runtime.GetTrigger")] = s.GetTrigger
 	s.interops[getID("Neo.Runtime.CheckWitness")] = s.CheckWitness
 	s.interops[getID("System.ExecutionEngine.GetExecutingScriptHash")] = s.GetExecutingScriptHash
 	s.interops[getID(cgasSyscall)] = s.CGASInvoke
 	s.interops[getID("Neo.Runtime.Log")] = func(v *vm.VM) error {
 		msg := string(v.Estack().Pop().Bytes())
 		t.Log(msg)
 		return nil
 	}
 	s.interops[getID("Neo.Runtime.Notify")] = func(v *vm.VM) error {
 		val := v.Estack().Pop().Value()
 		s.notify = append(s.notify, toInterface(val))
 		return nil
 	}
 	return s
 }
 func toInterface(val interface{}) interface{} {
 	switch v := val.(type) {
 	case []vm.StackItem:
 		arr := make([]interface{}, len(v))
 		for i, item := range v {
 			arr[i] = toInterface(item)
 		}
 		return arr
 	case vm.StackItem:
 		return toInterface(v.Value())
 	default:
 		return v
 	}
 }
 func getID(name string) uint32 {
 	return vm.InteropNameToID([]byte(name))
 }
 func (s *storagePlugin) getInterop(id uint32) *vm.InteropFuncPrice {
 	f := s.interops[id]
 	if f != nil {
 		return &vm.InteropFuncPrice{Func: f, Price: 1}
 	}
 	switch id {
 	case getID("Neo.Runtime.Serialize"):
 	case getID("Neo.Runtime.Deserialize"):
 	default:
 		panic("unexpected interop")
 	}
 	return nil
 }
 func mustPKey(pub []byte) *keys.PublicKey {
 	var pk keys.PublicKey
 	if err := pk.DecodeBytes(pub); err != nil {
 		panic(err)
 	}
 	return &pk
 }
 func (s *storagePlugin) setCGASBalance(pub []byte, amount int64) {
 	pk := mustPKey(pub)
 	from := string(pk.GetScriptHash().BytesBE())
 	s.cgas[from] = util.Fixed8FromInt64(amount)
 }
 func (s *storagePlugin) CGASInvoke(v *vm.VM) error {
 	op := string(v.Estack().Pop().Bytes())
 	args := v.Estack().Pop().Array()
 	var result bool
 	switch op {
 	case "transfer":
 		from := args[0].Value().([]byte)
 		to := args[1].Value().([]byte)
 		if len(from) != 20 || len(to) != 20 {
 			panic("invalid arguments")
 		}
 		var amount util.Fixed8
 		val := args[2].Value()
 		switch v := val.(type) {
 		case *big.Int:
 			amount = util.Fixed8(v.Int64())
 		case []byte:
 			amount = util.Fixed8(emit.BytesToInt(v).Int64())
 		default:
 			panic("invalid amount")
 		}
 		if s.cgas[string(from)] >= amount {
 			s.cgas[string(from)] -= amount
 			s.cgas[string(to)] += amount
 			result = true
 		}
 	default:
 		panic("invalid operation")
 	}
 	v.Estack().PushVal(result)
 	return nil
 }
 func (s *storagePlugin) getScript(u util.Uint160) ([]byte, bool) {
 	var realHash util.Uint160
 	copy(realHash[:], tokenHash[:])
 	if u.Equals(realHash) {
 		buf := io.NewBufBinWriter()
 		emit.Syscall(buf.BinWriter, cgasSyscall)
 		return buf.Bytes(), false
 	}
 	panic("wrong script hash")
 }
 func (s *storagePlugin) GetTrigger(v *vm.VM) error {
 	// todo: remove byte casting when neo-go issue will be resolved
 	//       https: //github.com/nspcc-dev/neo-go/issues/776
 	v.Estack().PushVal(byte(trigger.Application))
 	return nil
 }
 func (s *storagePlugin) CheckWitness(v *vm.VM) error {
 	v.Estack().PushVal(true)
 	return nil
 }
 func (s *storagePlugin) GetExecutingScriptHash(v *vm.VM) error {
 	var h util.Uint160
 	copy(h[:], contractHash[:])
 	v.Estack().PushVal(h.BytesBE())
 	return nil
 }
 func (s *storagePlugin) logStorage(op string, key, value []byte) {
 	s.storageOps = append(s.storageOps, kv{
 		Operation: op,
 		Key:       key,
 		Value:     value,
 	})
 }
 func (s *storagePlugin) Delete(v *vm.VM) error {
 	v.Estack().Pop()
 	key := v.Estack().Pop().Bytes()
 	s.logStorage("Delete", key, s.mem[string(key)])
 	delete(s.mem, string(key))
 	return nil
 }
 func (s *storagePlugin) Put(v *vm.VM) error {
 	v.Estack().Pop()
 	key := v.Estack().Pop().Bytes()
 	value := v.Estack().Pop().Bytes()
 	s.logStorage("Put", key, value)
 	s.mem[string(key)] = value
 	return nil
 }
 func (s *storagePlugin) Get(v *vm.VM) error {
 	v.Estack().Pop()
 	item := v.Estack().Pop().Bytes()
 	if val, ok := s.mem[string(item)]; ok {
 		v.Estack().PushVal(val)
 		s.logStorage("Get", item, val)
 		return nil
 	}
 	v.Estack().PushVal([]byte{})
 	s.logStorage("Get", item, nil)
 	return nil
 }
 func (s *storagePlugin) GetContext(v *vm.VM) error {
 	// Pushing anything on the stack here will work. This is just to satisfy
 	// the compiler, thinking it has pushed the context ^^.
 	v.Estack().PushVal(10)
 	return nil
 }