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[#19] alphabet: Add signature collection in Vote method

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Signed-off-by: Alex Vanin <alexey@nspcc.ru>
This commit is contained in:
Alex Vanin 2020-12-04 17:54:40 +03:00 committed by Alex Vanin
parent 2a509ebbee
commit 24b7bc5c77
8 changed files with 1168 additions and 57 deletions
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148
alphabet/alphabet.tpl
View file

@ -1,16 +1,26 @@
package alphabetcontract
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/runtime"
"github.com/nspcc-dev/neo-go/pkg/interop/storage"
"github.com/nspcc-dev/neo-go/pkg/interop/util"
)
type (
irNode struct {
key []byte
}
ballot struct {
id []byte // id of the voting decision
n [][]byte // already voted inner ring nodes
block int // block with the last vote
}
)
const (
@ -24,6 +34,13 @@ const (
index = {{ .Index }}
netmapContractKey = "netmapScriptHash"
blockDiff = 20 // amount of blocks when ballot get discarded
threshold = totalAlphabetContracts * 2 / 3 + 1
voteKey = "ballots"
totalAlphabetContracts = 7
)
var (
@ -49,6 +66,8 @@ func Init(addrNetmap []byte) {
storage.Put(ctx, netmapContractKey, addrNetmap)
setSerialized(ctx, voteKey, []ballot{})
runtime.Log(name + " contract initialized")
}
@ -81,6 +100,21 @@ func checkPermission(ir []irNode) bool {
return runtime.CheckWitness(node.key)
}
func innerRingInvoker(ir []irNode) []byte {
for i := 0; i < len(ir); i++ {
if i >= totalAlphabetContracts {
return nil
}
node := ir[i]
if runtime.CheckWitness(node.key) {
return node.key
}
}
return nil
}
func Emit() bool {
innerRingKeys := irList()
if !checkPermission(innerRingKeys) {
@ -111,21 +145,31 @@ func Emit() bool {
return true
}
func Vote(candidate []byte) {
func Vote(epoch int, candidates [][]byte) {
innerRingKeys := irList()
if !checkPermission(innerRingKeys) {
key := innerRingInvoker(innerRingKeys)
if len(key) == 0 {
panic("invalid invoker")
}
id := voteID(epoch, candidates)
n := vote(ctx, id, key)
if n >= threshold {
candidate := candidates[index%len(candidates)]
address := runtime.GetExecutingScriptHash()
ok := engine.AppCall([]byte(neoHash), "vote", address, candidate).(bool)
if ok {
runtime.Log("successfully voted for validator")
runtime.Log(name + ": successfully voted for validator")
removeVotes(ctx, id)
} else {
runtime.Log("vote has been failed")
runtime.Log(name + ": vote has been failed")
}
} else {
runtime.Log(name + ": saved vote for validator")
}
return
}
@ -133,3 +177,97 @@ func Vote(candidate []byte) {
func Name() string {
return name
}
func vote(ctx storage.Context, id, from []byte) int {
var (
newCandidates []ballot
candidates = getBallots(ctx)
found = -1
blockHeight = blockchain.GetHeight()
)
for i := 0; i < len(candidates); i++ {
cnd := candidates[i]
if bytesEqual(cnd.id, id) {
voters := cnd.n
for j := range voters {
if bytesEqual(voters[j], from) {
return len(voters)
}
}
voters = append(voters, from)
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 {
voters := [][]byte{from}
newCandidates = append(newCandidates, ballot{
id: id,
n: voters,
block: blockHeight})
found = 1
}
setSerialized(ctx, voteKey, newCandidates)
return found
}
func removeVotes(ctx storage.Context, id []byte) {
var (
newCandidates []ballot
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)
}
func getBallots(ctx storage.Context) []ballot {
data := storage.Get(ctx, voteKey)
if data != nil {
return binary.Deserialize(data.([]byte)).([]ballot)
}
return []ballot{}
}
func setSerialized(ctx storage.Context, key interface{}, value interface{}) {
data := binary.Serialize(value)
storage.Put(ctx, key, data)
}
// neo-go#1176
func bytesEqual(a []byte, b []byte) bool {
return util.Equals(string(a), string(b))
}
func voteID(epoch interface{}, args [][]byte) []byte {
var (
result []byte
epochBytes = epoch.([]byte)
)
result = append(result, epochBytes...)
for i := range args {
result = append(result, args[i]...)
}
return crypto.SHA256(result)
}

147
alphabet/az/az_contract.go
View file

@ -1,16 +1,26 @@
package alphabetcontract
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/runtime"
"github.com/nspcc-dev/neo-go/pkg/interop/storage"
"github.com/nspcc-dev/neo-go/pkg/interop/util"
)
type (
irNode struct {
key []byte
}
ballot struct {
id []byte // id of the voting decision
n [][]byte // already voted inner ring nodes
block int // block with the last vote
}
)
const (
@ -24,6 +34,13 @@ const (
index = 0
netmapContractKey = "netmapScriptHash"
blockDiff = 20 // amount of blocks when ballot get discarded
threshold = totalAlphabetContracts*2/3 + 1
voteKey = "ballots"
totalAlphabetContracts = 7
)
var (
@ -49,6 +66,8 @@ func Init(addrNetmap []byte) {
storage.Put(ctx, netmapContractKey, addrNetmap)
setSerialized(ctx, voteKey, []ballot{})
runtime.Log(name + " contract initialized")
}
@ -81,6 +100,21 @@ func checkPermission(ir []irNode) bool {
return runtime.CheckWitness(node.key)
}
func innerRingInvoker(ir []irNode) []byte {
for i := 0; i < len(ir); i++ {
if i >= totalAlphabetContracts {
return nil
}
node := ir[i]
if runtime.CheckWitness(node.key) {
return node.key
}
}
return nil
}
func Emit() bool {
innerRingKeys := irList()
if !checkPermission(innerRingKeys) {
@ -111,19 +145,30 @@ func Emit() bool {
return true
}
func Vote(candidate []byte) {
func Vote(epoch int, candidates [][]byte) {
innerRingKeys := irList()
if !checkPermission(innerRingKeys) {
key := innerRingInvoker(innerRingKeys)
if len(key) == 0 {
panic("invalid invoker")
}
id := voteID(epoch, candidates)
n := vote(ctx, id, key)
if n >= threshold {
candidate := candidates[index%len(candidates)]
address := runtime.GetExecutingScriptHash()
ok := engine.AppCall([]byte(neoHash), "vote", address, candidate).(bool)
if ok {
runtime.Log("successfully voted for validator")
runtime.Log(name + ": successfully voted for validator")
removeVotes(ctx, id)
} else {
runtime.Log("vote has been failed")
runtime.Log(name + ": vote has been failed")
}
} else {
runtime.Log(name + ": saved vote for validator")
}
return
@ -132,3 +177,97 @@ func Vote(candidate []byte) {
func Name() string {
return name
}
func vote(ctx storage.Context, id, from []byte) int {
var (
newCandidates []ballot
candidates = getBallots(ctx)
found = -1
blockHeight = blockchain.GetHeight()
)
for i := 0; i < len(candidates); i++ {
cnd := candidates[i]
if bytesEqual(cnd.id, id) {
voters := cnd.n
for j := range voters {
if bytesEqual(voters[j], from) {
return len(voters)
}
}
voters = append(voters, from)
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 {
voters := [][]byte{from}
newCandidates = append(newCandidates, ballot{
id: id,
n: voters,
block: blockHeight})
found = 1
}
setSerialized(ctx, voteKey, newCandidates)
return found
}
func removeVotes(ctx storage.Context, id []byte) {
var (
newCandidates []ballot
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)
}
func getBallots(ctx storage.Context) []ballot {
data := storage.Get(ctx, voteKey)
if data != nil {
return binary.Deserialize(data.([]byte)).([]ballot)
}
return []ballot{}
}
func setSerialized(ctx storage.Context, key interface{}, value interface{}) {
data := binary.Serialize(value)
storage.Put(ctx, key, data)
}
// neo-go#1176
func bytesEqual(a []byte, b []byte) bool {
return util.Equals(string(a), string(b))
}
func voteID(epoch interface{}, args [][]byte) []byte {
var (
result []byte
epochBytes = epoch.([]byte)
)
result = append(result, epochBytes...)
for i := range args {
result = append(result, args[i]...)
}
return crypto.SHA256(result)
}

147
alphabet/buky/buky_contract.go
View file

@ -1,16 +1,26 @@
package alphabetcontract
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/runtime"
"github.com/nspcc-dev/neo-go/pkg/interop/storage"
"github.com/nspcc-dev/neo-go/pkg/interop/util"
)
type (
irNode struct {
key []byte
}
ballot struct {
id []byte // id of the voting decision
n [][]byte // already voted inner ring nodes
block int // block with the last vote
}
)
const (
@ -24,6 +34,13 @@ const (
index = 1
netmapContractKey = "netmapScriptHash"
blockDiff = 20 // amount of blocks when ballot get discarded
threshold = totalAlphabetContracts*2/3 + 1
voteKey = "ballots"
totalAlphabetContracts = 7
)
var (
@ -49,6 +66,8 @@ func Init(addrNetmap []byte) {
storage.Put(ctx, netmapContractKey, addrNetmap)
setSerialized(ctx, voteKey, []ballot{})
runtime.Log(name + " contract initialized")
}
@ -81,6 +100,21 @@ func checkPermission(ir []irNode) bool {
return runtime.CheckWitness(node.key)
}
func innerRingInvoker(ir []irNode) []byte {
for i := 0; i < len(ir); i++ {
if i >= totalAlphabetContracts {
return nil
}
node := ir[i]
if runtime.CheckWitness(node.key) {
return node.key
}
}
return nil
}
func Emit() bool {
innerRingKeys := irList()
if !checkPermission(innerRingKeys) {
@ -111,19 +145,30 @@ func Emit() bool {
return true
}
func Vote(candidate []byte) {
func Vote(epoch int, candidates [][]byte) {
innerRingKeys := irList()
if !checkPermission(innerRingKeys) {
key := innerRingInvoker(innerRingKeys)
if len(key) == 0 {
panic("invalid invoker")
}
id := voteID(epoch, candidates)
n := vote(ctx, id, key)
if n >= threshold {
candidate := candidates[index%len(candidates)]
address := runtime.GetExecutingScriptHash()
ok := engine.AppCall([]byte(neoHash), "vote", address, candidate).(bool)
if ok {
runtime.Log("successfully voted for validator")
runtime.Log(name + ": successfully voted for validator")
removeVotes(ctx, id)
} else {
runtime.Log("vote has been failed")
runtime.Log(name + ": vote has been failed")
}
} else {
runtime.Log(name + ": saved vote for validator")
}
return
@ -132,3 +177,97 @@ func Vote(candidate []byte) {
func Name() string {
return name
}
func vote(ctx storage.Context, id, from []byte) int {
var (
newCandidates []ballot
candidates = getBallots(ctx)
found = -1
blockHeight = blockchain.GetHeight()
)
for i := 0; i < len(candidates); i++ {
cnd := candidates[i]
if bytesEqual(cnd.id, id) {
voters := cnd.n
for j := range voters {
if bytesEqual(voters[j], from) {
return len(voters)
}
}
voters = append(voters, from)
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 {
voters := [][]byte{from}
newCandidates = append(newCandidates, ballot{
id: id,
n: voters,
block: blockHeight})
found = 1
}
setSerialized(ctx, voteKey, newCandidates)
return found
}
func removeVotes(ctx storage.Context, id []byte) {
var (
newCandidates []ballot
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)
}
func getBallots(ctx storage.Context) []ballot {
data := storage.Get(ctx, voteKey)
if data != nil {
return binary.Deserialize(data.([]byte)).([]ballot)
}
return []ballot{}
}
func setSerialized(ctx storage.Context, key interface{}, value interface{}) {
data := binary.Serialize(value)
storage.Put(ctx, key, data)
}
// neo-go#1176
func bytesEqual(a []byte, b []byte) bool {
return util.Equals(string(a), string(b))
}
func voteID(epoch interface{}, args [][]byte) []byte {
var (
result []byte
epochBytes = epoch.([]byte)
)
result = append(result, epochBytes...)
for i := range args {
result = append(result, args[i]...)
}
return crypto.SHA256(result)
}

147
alphabet/dobro/dobro_contract.go
View file

@ -1,16 +1,26 @@
package alphabetcontract
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/runtime"
"github.com/nspcc-dev/neo-go/pkg/interop/storage"
"github.com/nspcc-dev/neo-go/pkg/interop/util"
)
type (
irNode struct {
key []byte
}
ballot struct {
id []byte // id of the voting decision
n [][]byte // already voted inner ring nodes
block int // block with the last vote
}
)
const (
@ -24,6 +34,13 @@ const (
index = 4
netmapContractKey = "netmapScriptHash"
blockDiff = 20 // amount of blocks when ballot get discarded
threshold = totalAlphabetContracts*2/3 + 1
voteKey = "ballots"
totalAlphabetContracts = 7
)
var (
@ -49,6 +66,8 @@ func Init(addrNetmap []byte) {
storage.Put(ctx, netmapContractKey, addrNetmap)
setSerialized(ctx, voteKey, []ballot{})
runtime.Log(name + " contract initialized")
}
@ -81,6 +100,21 @@ func checkPermission(ir []irNode) bool {
return runtime.CheckWitness(node.key)
}
func innerRingInvoker(ir []irNode) []byte {
for i := 0; i < len(ir); i++ {
if i >= totalAlphabetContracts {
return nil
}
node := ir[i]
if runtime.CheckWitness(node.key) {
return node.key
}
}
return nil
}
func Emit() bool {
innerRingKeys := irList()
if !checkPermission(innerRingKeys) {
@ -111,19 +145,30 @@ func Emit() bool {
return true
}
func Vote(candidate []byte) {
func Vote(epoch int, candidates [][]byte) {
innerRingKeys := irList()
if !checkPermission(innerRingKeys) {
key := innerRingInvoker(innerRingKeys)
if len(key) == 0 {
panic("invalid invoker")
}
id := voteID(epoch, candidates)
n := vote(ctx, id, key)
if n >= threshold {
candidate := candidates[index%len(candidates)]
address := runtime.GetExecutingScriptHash()
ok := engine.AppCall([]byte(neoHash), "vote", address, candidate).(bool)
if ok {
runtime.Log("successfully voted for validator")
runtime.Log(name + ": successfully voted for validator")
removeVotes(ctx, id)
} else {
runtime.Log("vote has been failed")
runtime.Log(name + ": vote has been failed")
}
} else {
runtime.Log(name + ": saved vote for validator")
}
return
@ -132,3 +177,97 @@ func Vote(candidate []byte) {
func Name() string {
return name
}
func vote(ctx storage.Context, id, from []byte) int {
var (
newCandidates []ballot
candidates = getBallots(ctx)
found = -1
blockHeight = blockchain.GetHeight()
)
for i := 0; i < len(candidates); i++ {
cnd := candidates[i]
if bytesEqual(cnd.id, id) {
voters := cnd.n
for j := range voters {
if bytesEqual(voters[j], from) {
return len(voters)
}
}
voters = append(voters, from)
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 {
voters := [][]byte{from}
newCandidates = append(newCandidates, ballot{
id: id,
n: voters,
block: blockHeight})
found = 1
}
setSerialized(ctx, voteKey, newCandidates)
return found
}
func removeVotes(ctx storage.Context, id []byte) {
var (
newCandidates []ballot
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)
}
func getBallots(ctx storage.Context) []ballot {
data := storage.Get(ctx, voteKey)
if data != nil {
return binary.Deserialize(data.([]byte)).([]ballot)
}
return []ballot{}
}
func setSerialized(ctx storage.Context, key interface{}, value interface{}) {
data := binary.Serialize(value)
storage.Put(ctx, key, data)
}
// neo-go#1176
func bytesEqual(a []byte, b []byte) bool {
return util.Equals(string(a), string(b))
}
func voteID(epoch interface{}, args [][]byte) []byte {
var (
result []byte
epochBytes = epoch.([]byte)
)
result = append(result, epochBytes...)
for i := range args {
result = append(result, args[i]...)
}
return crypto.SHA256(result)
}

147
alphabet/glagoli/glagoli_contract.go
View file

@ -1,16 +1,26 @@
package alphabetcontract
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/runtime"
"github.com/nspcc-dev/neo-go/pkg/interop/storage"
"github.com/nspcc-dev/neo-go/pkg/interop/util"
)
type (
irNode struct {
key []byte
}
ballot struct {
id []byte // id of the voting decision
n [][]byte // already voted inner ring nodes
block int // block with the last vote
}
)
const (
@ -24,6 +34,13 @@ const (
index = 3
netmapContractKey = "netmapScriptHash"
blockDiff = 20 // amount of blocks when ballot get discarded
threshold = totalAlphabetContracts*2/3 + 1
voteKey = "ballots"
totalAlphabetContracts = 7
)
var (
@ -49,6 +66,8 @@ func Init(addrNetmap []byte) {
storage.Put(ctx, netmapContractKey, addrNetmap)
setSerialized(ctx, voteKey, []ballot{})
runtime.Log(name + " contract initialized")
}
@ -81,6 +100,21 @@ func checkPermission(ir []irNode) bool {
return runtime.CheckWitness(node.key)
}
func innerRingInvoker(ir []irNode) []byte {
for i := 0; i < len(ir); i++ {
if i >= totalAlphabetContracts {
return nil
}
node := ir[i]
if runtime.CheckWitness(node.key) {
return node.key
}
}
return nil
}
func Emit() bool {
innerRingKeys := irList()
if !checkPermission(innerRingKeys) {
@ -111,19 +145,30 @@ func Emit() bool {
return true
}
func Vote(candidate []byte) {
func Vote(epoch int, candidates [][]byte) {
innerRingKeys := irList()
if !checkPermission(innerRingKeys) {
key := innerRingInvoker(innerRingKeys)
if len(key) == 0 {
panic("invalid invoker")
}
id := voteID(epoch, candidates)
n := vote(ctx, id, key)
if n >= threshold {
candidate := candidates[index%len(candidates)]
address := runtime.GetExecutingScriptHash()
ok := engine.AppCall([]byte(neoHash), "vote", address, candidate).(bool)
if ok {
runtime.Log("successfully voted for validator")
runtime.Log(name + ": successfully voted for validator")
removeVotes(ctx, id)
} else {
runtime.Log("vote has been failed")
runtime.Log(name + ": vote has been failed")
}
} else {
runtime.Log(name + ": saved vote for validator")
}
return
@ -132,3 +177,97 @@ func Vote(candidate []byte) {
func Name() string {
return name
}
func vote(ctx storage.Context, id, from []byte) int {
var (
newCandidates []ballot
candidates = getBallots(ctx)
found = -1
blockHeight = blockchain.GetHeight()
)
for i := 0; i < len(candidates); i++ {
cnd := candidates[i]
if bytesEqual(cnd.id, id) {
voters := cnd.n
for j := range voters {
if bytesEqual(voters[j], from) {
return len(voters)
}
}
voters = append(voters, from)
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 {
voters := [][]byte{from}
newCandidates = append(newCandidates, ballot{
id: id,
n: voters,
block: blockHeight})
found = 1
}
setSerialized(ctx, voteKey, newCandidates)
return found
}
func removeVotes(ctx storage.Context, id []byte) {
var (
newCandidates []ballot
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)
}
func getBallots(ctx storage.Context) []ballot {
data := storage.Get(ctx, voteKey)
if data != nil {
return binary.Deserialize(data.([]byte)).([]ballot)
}
return []ballot{}
}
func setSerialized(ctx storage.Context, key interface{}, value interface{}) {
data := binary.Serialize(value)
storage.Put(ctx, key, data)
}
// neo-go#1176
func bytesEqual(a []byte, b []byte) bool {
return util.Equals(string(a), string(b))
}
func voteID(epoch interface{}, args [][]byte) []byte {
var (
result []byte
epochBytes = epoch.([]byte)
)
result = append(result, epochBytes...)
for i := range args {
result = append(result, args[i]...)
}
return crypto.SHA256(result)
}

147
alphabet/jest/jest_contract.go
View file

@ -1,16 +1,26 @@
package alphabetcontract
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/runtime"
"github.com/nspcc-dev/neo-go/pkg/interop/storage"
"github.com/nspcc-dev/neo-go/pkg/interop/util"
)
type (
irNode struct {
key []byte
}
ballot struct {
id []byte // id of the voting decision
n [][]byte // already voted inner ring nodes
block int // block with the last vote
}
)
const (
@ -24,6 +34,13 @@ const (
index = 5
netmapContractKey = "netmapScriptHash"
blockDiff = 20 // amount of blocks when ballot get discarded
threshold = totalAlphabetContracts*2/3 + 1
voteKey = "ballots"
totalAlphabetContracts = 7
)
var (
@ -49,6 +66,8 @@ func Init(addrNetmap []byte) {
storage.Put(ctx, netmapContractKey, addrNetmap)
setSerialized(ctx, voteKey, []ballot{})
runtime.Log(name + " contract initialized")
}
@ -81,6 +100,21 @@ func checkPermission(ir []irNode) bool {
return runtime.CheckWitness(node.key)
}
func innerRingInvoker(ir []irNode) []byte {
for i := 0; i < len(ir); i++ {
if i >= totalAlphabetContracts {
return nil
}
node := ir[i]
if runtime.CheckWitness(node.key) {
return node.key
}
}
return nil
}
func Emit() bool {
innerRingKeys := irList()
if !checkPermission(innerRingKeys) {
@ -111,19 +145,30 @@ func Emit() bool {
return true
}
func Vote(candidate []byte) {
func Vote(epoch int, candidates [][]byte) {
innerRingKeys := irList()
if !checkPermission(innerRingKeys) {
key := innerRingInvoker(innerRingKeys)
if len(key) == 0 {
panic("invalid invoker")
}
id := voteID(epoch, candidates)
n := vote(ctx, id, key)
if n >= threshold {
candidate := candidates[index%len(candidates)]
address := runtime.GetExecutingScriptHash()
ok := engine.AppCall([]byte(neoHash), "vote", address, candidate).(bool)
if ok {
runtime.Log("successfully voted for validator")
runtime.Log(name + ": successfully voted for validator")
removeVotes(ctx, id)
} else {
runtime.Log("vote has been failed")
runtime.Log(name + ": vote has been failed")
}
} else {
runtime.Log(name + ": saved vote for validator")
}
return
@ -132,3 +177,97 @@ func Vote(candidate []byte) {
func Name() string {
return name
}
func vote(ctx storage.Context, id, from []byte) int {
var (
newCandidates []ballot
candidates = getBallots(ctx)
found = -1
blockHeight = blockchain.GetHeight()
)
for i := 0; i < len(candidates); i++ {
cnd := candidates[i]
if bytesEqual(cnd.id, id) {
voters := cnd.n
for j := range voters {
if bytesEqual(voters[j], from) {
return len(voters)
}
}
voters = append(voters, from)
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 {
voters := [][]byte{from}
newCandidates = append(newCandidates, ballot{
id: id,
n: voters,
block: blockHeight})
found = 1
}
setSerialized(ctx, voteKey, newCandidates)
return found
}
func removeVotes(ctx storage.Context, id []byte) {
var (
newCandidates []ballot
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)
}
func getBallots(ctx storage.Context) []ballot {
data := storage.Get(ctx, voteKey)
if data != nil {
return binary.Deserialize(data.([]byte)).([]ballot)
}
return []ballot{}
}
func setSerialized(ctx storage.Context, key interface{}, value interface{}) {
data := binary.Serialize(value)
storage.Put(ctx, key, data)
}
// neo-go#1176
func bytesEqual(a []byte, b []byte) bool {
return util.Equals(string(a), string(b))
}
func voteID(epoch interface{}, args [][]byte) []byte {
var (
result []byte
epochBytes = epoch.([]byte)
)
result = append(result, epochBytes...)
for i := range args {
result = append(result, args[i]...)
}
return crypto.SHA256(result)
}

147
alphabet/vedi/vedi_contract.go
View file

@ -1,16 +1,26 @@
package alphabetcontract
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/runtime"
"github.com/nspcc-dev/neo-go/pkg/interop/storage"
"github.com/nspcc-dev/neo-go/pkg/interop/util"
)
type (
irNode struct {
key []byte
}
ballot struct {
id []byte // id of the voting decision
n [][]byte // already voted inner ring nodes
block int // block with the last vote
}
)
const (
@ -24,6 +34,13 @@ const (
index = 2
netmapContractKey = "netmapScriptHash"
blockDiff = 20 // amount of blocks when ballot get discarded
threshold = totalAlphabetContracts*2/3 + 1
voteKey = "ballots"
totalAlphabetContracts = 7
)
var (
@ -49,6 +66,8 @@ func Init(addrNetmap []byte) {
storage.Put(ctx, netmapContractKey, addrNetmap)
setSerialized(ctx, voteKey, []ballot{})
runtime.Log(name + " contract initialized")
}
@ -81,6 +100,21 @@ func checkPermission(ir []irNode) bool {
return runtime.CheckWitness(node.key)
}
func innerRingInvoker(ir []irNode) []byte {
for i := 0; i < len(ir); i++ {
if i >= totalAlphabetContracts {
return nil
}
node := ir[i]
if runtime.CheckWitness(node.key) {
return node.key
}
}
return nil
}
func Emit() bool {
innerRingKeys := irList()
if !checkPermission(innerRingKeys) {
@ -111,19 +145,30 @@ func Emit() bool {
return true
}
func Vote(candidate []byte) {
func Vote(epoch int, candidates [][]byte) {
innerRingKeys := irList()
if !checkPermission(innerRingKeys) {
key := innerRingInvoker(innerRingKeys)
if len(key) == 0 {
panic("invalid invoker")
}
id := voteID(epoch, candidates)
n := vote(ctx, id, key)
if n >= threshold {
candidate := candidates[index%len(candidates)]
address := runtime.GetExecutingScriptHash()
ok := engine.AppCall([]byte(neoHash), "vote", address, candidate).(bool)
if ok {
runtime.Log("successfully voted for validator")
runtime.Log(name + ": successfully voted for validator")
removeVotes(ctx, id)
} else {
runtime.Log("vote has been failed")
runtime.Log(name + ": vote has been failed")
}
} else {
runtime.Log(name + ": saved vote for validator")
}
return
@ -132,3 +177,97 @@ func Vote(candidate []byte) {
func Name() string {
return name
}
func vote(ctx storage.Context, id, from []byte) int {
var (
newCandidates []ballot
candidates = getBallots(ctx)
found = -1
blockHeight = blockchain.GetHeight()
)
for i := 0; i < len(candidates); i++ {
cnd := candidates[i]
if bytesEqual(cnd.id, id) {
voters := cnd.n
for j := range voters {
if bytesEqual(voters[j], from) {
return len(voters)
}
}
voters = append(voters, from)
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 {
voters := [][]byte{from}
newCandidates = append(newCandidates, ballot{
id: id,
n: voters,
block: blockHeight})
found = 1
}
setSerialized(ctx, voteKey, newCandidates)
return found
}
func removeVotes(ctx storage.Context, id []byte) {
var (
newCandidates []ballot
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)
}
func getBallots(ctx storage.Context) []ballot {
data := storage.Get(ctx, voteKey)
if data != nil {
return binary.Deserialize(data.([]byte)).([]ballot)
}
return []ballot{}
}
func setSerialized(ctx storage.Context, key interface{}, value interface{}) {
data := binary.Serialize(value)
storage.Put(ctx, key, data)
}
// neo-go#1176
func bytesEqual(a []byte, b []byte) bool {
return util.Equals(string(a), string(b))
}
func voteID(epoch interface{}, args [][]byte) []byte {
var (
result []byte
epochBytes = epoch.([]byte)
)
result = append(result, epochBytes...)
for i := range args {
result = append(result, args[i]...)
}
return crypto.SHA256(result)
}

147
alphabet/zhivete/zhivete_contract.go
View file

@ -1,16 +1,26 @@
package alphabetcontract
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/runtime"
"github.com/nspcc-dev/neo-go/pkg/interop/storage"
"github.com/nspcc-dev/neo-go/pkg/interop/util"
)
type (
irNode struct {
key []byte
}
ballot struct {
id []byte // id of the voting decision
n [][]byte // already voted inner ring nodes
block int // block with the last vote
}
)
const (
@ -24,6 +34,13 @@ const (
index = 6
netmapContractKey = "netmapScriptHash"
blockDiff = 20 // amount of blocks when ballot get discarded
threshold = totalAlphabetContracts*2/3 + 1
voteKey = "ballots"
totalAlphabetContracts = 7
)
var (
@ -49,6 +66,8 @@ func Init(addrNetmap []byte) {
storage.Put(ctx, netmapContractKey, addrNetmap)
setSerialized(ctx, voteKey, []ballot{})
runtime.Log(name + " contract initialized")
}
@ -81,6 +100,21 @@ func checkPermission(ir []irNode) bool {
return runtime.CheckWitness(node.key)
}
func innerRingInvoker(ir []irNode) []byte {
for i := 0; i < len(ir); i++ {
if i >= totalAlphabetContracts {
return nil
}
node := ir[i]
if runtime.CheckWitness(node.key) {
return node.key
}
}
return nil
}
func Emit() bool {
innerRingKeys := irList()
if !checkPermission(innerRingKeys) {
@ -111,19 +145,30 @@ func Emit() bool {
return true
}
func Vote(candidate []byte) {
func Vote(epoch int, candidates [][]byte) {
innerRingKeys := irList()
if !checkPermission(innerRingKeys) {
key := innerRingInvoker(innerRingKeys)
if len(key) == 0 {
panic("invalid invoker")
}
id := voteID(epoch, candidates)
n := vote(ctx, id, key)
if n >= threshold {
candidate := candidates[index%len(candidates)]
address := runtime.GetExecutingScriptHash()
ok := engine.AppCall([]byte(neoHash), "vote", address, candidate).(bool)
if ok {
runtime.Log("successfully voted for validator")
runtime.Log(name + ": successfully voted for validator")
removeVotes(ctx, id)
} else {
runtime.Log("vote has been failed")
runtime.Log(name + ": vote has been failed")
}
} else {
runtime.Log(name + ": saved vote for validator")
}
return
@ -132,3 +177,97 @@ func Vote(candidate []byte) {
func Name() string {
return name
}
func vote(ctx storage.Context, id, from []byte) int {
var (
newCandidates []ballot
candidates = getBallots(ctx)
found = -1
blockHeight = blockchain.GetHeight()
)
for i := 0; i < len(candidates); i++ {
cnd := candidates[i]
if bytesEqual(cnd.id, id) {
voters := cnd.n
for j := range voters {
if bytesEqual(voters[j], from) {
return len(voters)
}
}
voters = append(voters, from)
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 {
voters := [][]byte{from}
newCandidates = append(newCandidates, ballot{
id: id,
n: voters,
block: blockHeight})
found = 1
}
setSerialized(ctx, voteKey, newCandidates)
return found
}
func removeVotes(ctx storage.Context, id []byte) {
var (
newCandidates []ballot
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)
}
func getBallots(ctx storage.Context) []ballot {
data := storage.Get(ctx, voteKey)
if data != nil {
return binary.Deserialize(data.([]byte)).([]ballot)
}
return []ballot{}
}
func setSerialized(ctx storage.Context, key interface{}, value interface{}) {
data := binary.Serialize(value)
storage.Put(ctx, key, data)
}
// neo-go#1176
func bytesEqual(a []byte, b []byte) bool {
return util.Equals(string(a), string(b))
}
func voteID(epoch interface{}, args [][]byte) []byte {
var (
result []byte
epochBytes = epoch.([]byte)
)
result = append(result, epochBytes...)
for i := range args {
result = append(result, args[i]...)
}
return crypto.SHA256(result)
}