Update neo-go to v0.90.0-pre and fix smart-contract

Neo-go v0.90.0-pre implements neo3 features.

go.mod

@@ -4,7 +4,7 @@ go 1.12
 
 require (
 	github.com/mr-tron/base58 v1.1.3 // indirect
-	github.com/nspcc-dev/neo-go v0.75.0
+	github.com/nspcc-dev/neo-go v0.90.0-pre.0.20200709120952-d234db9864e2
 	github.com/nspcc-dev/neofs-crypto v0.3.0
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/stretchr/testify v1.5.1

go.sum

@@ -2,6 +2,7 @@ github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03
 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/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
@@ -37,6 +38,7 @@ github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25Kn
 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/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 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=
@@ -54,6 +56,7 @@ github.com/golang/snappy v0.0.0-20170215233205-553a64147049/go.mod h1:/XxbfmMg8l
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/gomodule/redigo v2.0.0+incompatible/go.mod h1:B4C85qUVwatsJoIUNIfCRsp7qO0iAmpGFZ4EELWSbC4=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+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/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
@@ -66,6 +69,7 @@ github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxv
 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/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=
@@ -91,9 +95,12 @@ github.com/nspcc-dev/dbft v0.0.0-20191209120240-0d6b7568d9ae/go.mod h1:3FjXOoHmA
 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 v0.0.0-20200623100921-5a182c20965e/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 v0.75.0 h1:JX87gmRa0qJ7bMIDwqroQPEz7Y81feinvXq2pbKfpNE=
 github.com/nspcc-dev/neo-go v0.75.0/go.mod h1:wtCZzd6wm1z+FKrZZD4q2wyUvWmwRx9y9v2N9i0NVM4=
+github.com/nspcc-dev/neo-go v0.90.0-pre.0.20200709120952-d234db9864e2 h1:+5yZQtwlTY2klOejyEmPHIkimZBZ3qKaOQ0+CU/2G/I=
+github.com/nspcc-dev/neo-go v0.90.0-pre.0.20200709120952-d234db9864e2/go.mod h1:Y27fkOIYUVt2yAoYkb833F45/q6pdLRdeAZKawHcpfE=
 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=
@@ -106,6 +113,7 @@ github.com/onsi/ginkgo v1.10.3/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+
 github.com/onsi/gomega v1.4.2/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
 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=
@@ -190,6 +198,7 @@ golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/tools v0.0.0-20180318012157-96caea41033d/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 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/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 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=

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']

neofs_contract.go

@@ -1,12 +1,12 @@
 package smart_contract
 
 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/crypto"
 	"github.com/nspcc-dev/neo-go/pkg/interop/engine"
 	"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/transaction"
 	"github.com/nspcc-dev/neo-go/pkg/interop/util"
 )
 
@@ -79,14 +79,14 @@ func Main(op string, args []interface{}) interface{} {
 			irList = append(irList, node{pub: pub})
 		}
 
-		data := runtime.Serialize(irList)
+		data := binary.Serialize(irList)
 		storage.Put(ctx, "InnerRingList", data)
 
-		data = runtime.Serialize([]interface{}{})
+		data = binary.Serialize([]interface{}{})
 		storage.Put(ctx, "UsedVerifCheckList", data)
 		storage.Put(ctx, "InnerRingCandidates", data)
 
-		data = runtime.Serialize([]ballot{})
+		data = binary.Serialize([]ballot{})
 		storage.Put(ctx, voteKey, data)
 
 		return true
@@ -116,7 +116,7 @@ func Main(op string, args []interface{}) interface{} {
 		}
 
 		from := pubToScriptHash(key)
-		to := engine.GetExecutingScriptHash()
+		to := runtime.GetExecutingScriptHash()
 		params := []interface{}{from, to, innerRingCandidateFee}
 
 		transferred := engine.AppCall([]byte(tokenHash), "transfer", params).(bool)
@@ -142,7 +142,7 @@ func Main(op string, args []interface{}) interface{} {
 		}
 
 		from := pubToScriptHash(pk)
-		to := engine.GetExecutingScriptHash()
+		to := runtime.GetExecutingScriptHash()
 		params := []interface{}{from, to, amount}
 		transferred := engine.AppCall([]byte(tokenHash), "transfer", params).(bool)
 		if !transferred {
@@ -156,8 +156,7 @@ func Main(op string, args []interface{}) interface{} {
 			rcv = args[2].([]byte) // todo: check if rcv value is valid
 		}
 
-		tx := engine.GetScriptContainer()
+		txHash := runtime.GetScriptContainer().Hash
-		txHash := transaction.GetHash(tx)
 
 		runtime.Notify("Deposit", pk, amount, rcv, txHash)
 
@@ -178,8 +177,7 @@ func Main(op string, args []interface{}) interface{} {
 			amount = amount * 100000000
 		}
 
-		tx := engine.GetScriptContainer()
+		txHash := runtime.GetScriptContainer().Hash
-		txHash := transaction.GetHash(tx)
 
 		runtime.Notify("Withdraw", user, amount, txHash)
 
@@ -196,7 +194,7 @@ func Main(op string, args []interface{}) interface{} {
 
 		ctx := storage.GetContext()
 
-		hashID := crypto.Hash256(id)
+		hashID := crypto.SHA256(id)
 		irList := getSerialized(ctx, "InnerRingList").([]node)
 		usedList := getSerialized(ctx, "UsedVerifCheckList").([]check)
 		threshold := len(irList)/3*2 + 1
@@ -215,7 +213,7 @@ func Main(op string, args []interface{}) interface{} {
 		if n >= threshold {
 			removeVotes(ctx, hashID)
 
-			from := engine.GetExecutingScriptHash()
+			from := runtime.GetExecutingScriptHash()
 			params := []interface{}{from, user, amount}
 
 			transferred := engine.AppCall([]byte(tokenHash), "transfer", params).(bool)
@@ -252,7 +250,7 @@ func Main(op string, args []interface{}) interface{} {
 			panic("innerRingUpdate: cheque has non unique id")
 		}
 
-		chequeHash := crypto.Hash256(data)
+		chequeHash := crypto.SHA256(data)
 
 		n := vote(ctx, chequeHash, irKey)
 		if n >= threshold {
@@ -292,7 +290,7 @@ func Main(op string, args []interface{}) interface{} {
 				delSerializedIR(ctx, "InnerRingCandidates", n.pub)
 			}
 
-			newIRData := runtime.Serialize(newIR)
+			newIRData := binary.Serialize(newIR)
 			storage.Put(ctx, "InnerRingList", newIRData)
 			putSerialized(ctx, "UsedVerifCheckList", c)
 
@@ -327,10 +325,11 @@ func Main(op string, args []interface{}) interface{} {
 	panic("unknown operation")
 }
 
+// fixme: use strict type deserialization wrappers
 func getSerialized(ctx storage.Context, key string) interface{} {
 	data := storage.Get(ctx, key).([]byte)
 	if len(data) != 0 {
-		return runtime.Deserialize(data)
+		return binary.Deserialize(data)
 	}
 	return nil
 }
@@ -341,7 +340,7 @@ func delSerialized(ctx storage.Context, key string, value []byte) bool {
 
 	var newList [][]byte
 	if len(data) != 0 {
-		lst := runtime.Deserialize(data).([][]byte)
+		lst := binary.Deserialize(data).([][]byte)
 		for i := 0; i < len(lst); i++ {
 			if util.Equals(value, lst[i]) {
 				deleted = true
@@ -351,7 +350,7 @@ func delSerialized(ctx storage.Context, key string, value []byte) bool {
 		}
 		if deleted {
 			if len(newList) != 0 {
-				data := runtime.Serialize(newList)
+				data := binary.Serialize(newList)
 				storage.Put(ctx, key, data)
 			} else {
 				storage.Delete(ctx, key)
@@ -371,22 +370,27 @@ func putSerialized(ctx storage.Context, key string, value interface{}) bool {
 
 	var lst []interface{}
 	if len(data) != 0 {
-		lst = runtime.Deserialize(data).([]interface{})
+		lst = binary.Deserialize(data).([]interface{})
 	}
 
 	lst = append(lst, value)
-	data = runtime.Serialize(lst)
+	data = binary.Serialize(lst)
 	storage.Put(ctx, key, data)
 
 	return true
 }
 
 func pubToScriptHash(pkey []byte) []byte {
-	pre := []byte{0x21}
+	// pre := []byte{0x21}
-	buf := append(pre, pkey...)
+	// buf := append(pre, pkey...)
-	buf = append(buf, 0xac)
+	// buf = append(buf, 0xac)
-	h := crypto.Hash160(buf)
+	// h := crypto.Hash160(buf)
-	return h
+	//
+	// return h
+
+	// fixme: someday ripemd syscall will appear
+	//        or simply store script-hashes along with public key
+	return []byte{0x0F, 0xED}
 }
 
 func containsCheck(lst []check, c check) bool {
@@ -413,7 +417,7 @@ func delSerializedIR(ctx storage.Context, key string, value []byte) bool {
 
 	newList := []node{}
 	if len(data) != 0 {
-		lst := runtime.Deserialize(data).([]node)
+		lst := binary.Deserialize(data).([]node)
 		for i := 0; i < len(lst); i++ {
 			n := lst[i]
 			if util.Equals(value, n.pub) {
@@ -423,7 +427,7 @@ func delSerializedIR(ctx storage.Context, key string, value []byte) bool {
 			}
 		}
 		if deleted {
-			data := runtime.Serialize(newList)
+			data := binary.Serialize(newList)
 			storage.Put(ctx, key, data)
 			runtime.Log("target element has been removed")
 			return true
@@ -485,7 +489,7 @@ func vote(ctx storage.Context, id, from []byte) int {
 		found = 1
 	}
 
-	data := runtime.Serialize(newCandidates)
+	data := binary.Serialize(newCandidates)
 	storage.Put(ctx, voteKey, data)
 
 	return found
@@ -504,6 +508,6 @@ func removeVotes(ctx storage.Context, id []byte) {
 		}
 	}
 
-	data := runtime.Serialize(newCandidates)
+	data := binary.Serialize(newCandidates)
 	storage.Put(ctx, voteKey, data)
 }