forked from TrueCloudLab/frostfs-contract
[#23] alphabet: Use single contract instead of template
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
This commit is contained in:
parent
5fc9ed999d
commit
1dcfb59a1f
10 changed files with 36 additions and 2081 deletions
6
Makefile
6
Makefile
|
@ -8,7 +8,7 @@ build: all
|
|||
all: sidechain mainnet
|
||||
sidechain: alphabet morph
|
||||
|
||||
alphabet_sc = az buky vedi glagoli dobro jest zhivete
|
||||
alphabet_sc = alphabet
|
||||
morph_sc = audit balance container neofsid netmap reputation
|
||||
mainnet_sc = neofs
|
||||
|
||||
|
@ -21,11 +21,11 @@ $(if $(2),$(2)$(1)/$(1)_contract.go: alphabet/alphabet.go alphabet/alphabet.tpl
|
|||
)
|
||||
endef
|
||||
|
||||
$(foreach sc,$(alphabet_sc),$(eval $(call sc_template,$(sc),alphabet/)))
|
||||
$(foreach sc,$(alphabet_sc),$(eval $(call sc_template,$(sc))))
|
||||
$(foreach sc,$(morph_sc),$(eval $(call sc_template,$(sc))))
|
||||
$(foreach sc,$(mainnet_sc),$(eval $(call sc_template,$(sc))))
|
||||
|
||||
alphabet: $(foreach sc,$(alphabet_sc),alphabet/$(sc)/$(sc)_contract.nef)
|
||||
alphabet: $(foreach sc,$(alphabet_sc),$(sc)/$(sc)_contract.nef)
|
||||
morph: $(foreach sc,$(morph_sc),$(sc)/$(sc)_contract.nef)
|
||||
mainnet: $(foreach sc,$(mainnet_sc),$(sc)/$(sc)_contract.nef)
|
||||
|
||||
|
|
|
@ -1,54 +0,0 @@
|
|||
package main
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"io/ioutil"
|
||||
"os"
|
||||
"path"
|
||||
"strings"
|
||||
"text/template"
|
||||
)
|
||||
|
||||
const (
|
||||
root = "alphabet"
|
||||
templateName = "alphabet.tpl"
|
||||
)
|
||||
|
||||
func main() {
|
||||
glagolic := []string{
|
||||
"Az", "Buky", "Vedi", "Glagoli", "Dobro", "Jest", "Zhivete",
|
||||
}
|
||||
|
||||
data, err := ioutil.ReadFile(path.Join(root, templateName))
|
||||
die("can't read template file", err)
|
||||
|
||||
tmpl := template.Must(template.New("").Parse(string(data)))
|
||||
|
||||
for index, name := range glagolic {
|
||||
lowercaseName := strings.ToLower(name)
|
||||
|
||||
if _, err := os.Stat(path.Join(root, lowercaseName)); os.IsNotExist(err) {
|
||||
os.Mkdir(path.Join(root, lowercaseName), 0755)
|
||||
}
|
||||
|
||||
dst, err := os.Create(path.Join(root, lowercaseName, lowercaseName+"_contract.go"))
|
||||
die("can't create file", err)
|
||||
|
||||
err = tmpl.Execute(dst, map[string]interface{}{
|
||||
"Name": name,
|
||||
"Index": index,
|
||||
})
|
||||
die("can't generate code from template", err)
|
||||
|
||||
die("can't close generated file", dst.Close())
|
||||
}
|
||||
|
||||
os.Exit(0)
|
||||
}
|
||||
|
||||
func die(msg string, err error) {
|
||||
if err != nil {
|
||||
fmt.Printf(msg+": %v\n", err)
|
||||
os.Exit(1)
|
||||
}
|
||||
}
|
|
@ -1,287 +0,0 @@
|
|||
package alphabetcontract
|
||||
|
||||
import (
|
||||
"github.com/nspcc-dev/neo-go/pkg/interop"
|
||||
"github.com/nspcc-dev/neo-go/pkg/interop/binary"
|
||||
"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/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 // hash of validators list
|
||||
n [][]byte // already voted inner ring nodes
|
||||
height int // height is an neofs epoch when ballot was registered
|
||||
}
|
||||
)
|
||||
|
||||
const (
|
||||
// native gas token script hash
|
||||
gasHash = "\x20\x2a\x2d\xd3\xf6\xa6\xe8\xf4\xd3\xb5\xaf\x26\xa7\xfe\xde\xba\x4b\x80\xdf\xb5"
|
||||
|
||||
// native neo token script hash
|
||||
neoHash = "\xb9\x7b\x8d\x5a\x73\x11\x81\x6f\xf7\xb1\xbf\xb0\x14\x20\xe2\x59\x0d\xa3\xc1\x24"
|
||||
|
||||
name = "{{ .Name }}"
|
||||
index = {{ .Index }}
|
||||
|
||||
netmapContractKey = "netmapScriptHash"
|
||||
|
||||
threshold = totalAlphabetContracts * 2 / 3 + 1
|
||||
voteKey = "ballots"
|
||||
|
||||
totalAlphabetContracts = 7
|
||||
)
|
||||
|
||||
var (
|
||||
ctx storage.Context
|
||||
)
|
||||
|
||||
func init() {
|
||||
if runtime.GetTrigger() != runtime.Application {
|
||||
panic("contract has not been called in application node")
|
||||
}
|
||||
|
||||
ctx = storage.GetContext()
|
||||
}
|
||||
|
||||
// OnPayment is a callback for NEP-17 compatible native GAS and NEO contracts.
|
||||
func OnPayment(from interop.Hash160, amount int, data interface{}) {
|
||||
caller := runtime.GetCallingScriptHash()
|
||||
if !bytesEqual(caller, []byte(gasHash)) && !bytesEqual(caller, []byte(neoHash)) {
|
||||
panic("onPayment: alphabet contract accepts GAS and NEO only")
|
||||
}
|
||||
}
|
||||
|
||||
func Init(addrNetmap []byte) {
|
||||
if storage.Get(ctx, netmapContractKey) != nil {
|
||||
panic("contract already deployed")
|
||||
}
|
||||
|
||||
if len(addrNetmap) != 20 {
|
||||
panic("incorrect length of contract script hash")
|
||||
}
|
||||
|
||||
storage.Put(ctx, netmapContractKey, addrNetmap)
|
||||
|
||||
setSerialized(ctx, voteKey, []ballot{})
|
||||
|
||||
runtime.Log(name + " contract initialized")
|
||||
}
|
||||
|
||||
func Gas() int {
|
||||
contractHash := runtime.GetExecutingScriptHash()
|
||||
return balance(gasHash, contractHash)
|
||||
}
|
||||
|
||||
func Neo() int {
|
||||
contractHash := runtime.GetExecutingScriptHash()
|
||||
return balance(neoHash, contractHash)
|
||||
}
|
||||
|
||||
func balance(hash string, addr []byte) int {
|
||||
balance := contract.Call([]byte(hash), "balanceOf", addr)
|
||||
return balance.(int)
|
||||
}
|
||||
|
||||
func irList() []irNode {
|
||||
netmapContractAddr := storage.Get(ctx, netmapContractKey).([]byte)
|
||||
return contract.Call(netmapContractAddr, "innerRingList").([]irNode)
|
||||
}
|
||||
|
||||
func currentEpoch() int {
|
||||
netmapContractAddr := storage.Get(ctx, netmapContractKey).([]byte)
|
||||
return contract.Call(netmapContractAddr, "epoch").(int)
|
||||
}
|
||||
|
||||
func checkPermission(ir []irNode) bool {
|
||||
if len(ir) <= index {
|
||||
return false
|
||||
}
|
||||
|
||||
node := ir[index]
|
||||
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) {
|
||||
panic("invalid invoker")
|
||||
}
|
||||
|
||||
contractHash := runtime.GetExecutingScriptHash()
|
||||
neo := balance(neoHash, contractHash)
|
||||
|
||||
_ = contract.Call([]byte(neoHash), "transfer", contractHash, contractHash, neo, nil)
|
||||
|
||||
gas := balance(gasHash, contractHash)
|
||||
gasPerNode := gas * 7 / 8 / len(innerRingKeys)
|
||||
|
||||
if gasPerNode == 0 {
|
||||
runtime.Log("no gas to emit")
|
||||
return false
|
||||
}
|
||||
|
||||
for i := range innerRingKeys {
|
||||
node := innerRingKeys[i]
|
||||
address := contract.CreateStandardAccount(node.key)
|
||||
|
||||
_ = contract.Call([]byte(gasHash), "transfer", contractHash, address, gasPerNode, nil)
|
||||
}
|
||||
|
||||
runtime.Log("utility token has been emitted to inner ring nodes")
|
||||
return true
|
||||
}
|
||||
|
||||
func Vote(epoch int, candidates [][]byte) {
|
||||
innerRingKeys := irList()
|
||||
|
||||
key := innerRingInvoker(innerRingKeys)
|
||||
if len(key) == 0 {
|
||||
panic("invalid invoker")
|
||||
}
|
||||
|
||||
curEpoch := currentEpoch()
|
||||
if epoch != curEpoch {
|
||||
panic("invalid epoch")
|
||||
}
|
||||
|
||||
id := voteID(epoch, candidates)
|
||||
n := vote(ctx, curEpoch, id, key)
|
||||
|
||||
if n >= threshold {
|
||||
candidate := candidates[index%len(candidates)]
|
||||
address := runtime.GetExecutingScriptHash()
|
||||
|
||||
ok := contract.Call([]byte(neoHash), "vote", address, candidate).(bool)
|
||||
if ok {
|
||||
runtime.Log(name + ": successfully voted for validator")
|
||||
removeVotes(ctx, id)
|
||||
} else {
|
||||
runtime.Log(name + ": vote has been failed")
|
||||
}
|
||||
} else {
|
||||
runtime.Log(name + ": saved vote for validator")
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func Name() string {
|
||||
return name
|
||||
}
|
||||
|
||||
func vote(ctx storage.Context, epoch int, id, from []byte) int {
|
||||
var (
|
||||
newCandidates []ballot
|
||||
candidates = getBallots(ctx)
|
||||
found = -1
|
||||
)
|
||||
|
||||
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, height: epoch}
|
||||
found = len(voters)
|
||||
}
|
||||
|
||||
// add only valid ballots with current epochs
|
||||
if cnd.height == epoch {
|
||||
newCandidates = append(newCandidates, cnd)
|
||||
}
|
||||
}
|
||||
|
||||
if found < 0 {
|
||||
voters := [][]byte{from}
|
||||
newCandidates = append(newCandidates, ballot{
|
||||
id: id,
|
||||
n: voters,
|
||||
height: epoch})
|
||||
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)
|
||||
}
|
|
@ -29,15 +29,11 @@ const (
|
|||
// native neo token script hash
|
||||
neoHash = "\xb9\x7b\x8d\x5a\x73\x11\x81\x6f\xf7\xb1\xbf\xb0\x14\x20\xe2\x59\x0d\xa3\xc1\x24"
|
||||
|
||||
name = "Dobro"
|
||||
index = 4
|
||||
|
||||
netmapContractKey = "netmapScriptHash"
|
||||
|
||||
threshold = totalAlphabetContracts*2/3 + 1
|
||||
netmapKey = "netmapScriptHash"
|
||||
indexKey = "index"
|
||||
totalKey = "threshold"
|
||||
nameKey = "name"
|
||||
voteKey = "ballots"
|
||||
|
||||
totalAlphabetContracts = 7
|
||||
)
|
||||
|
||||
var (
|
||||
|
@ -60,8 +56,8 @@ func OnPayment(from interop.Hash160, amount int, data interface{}) {
|
|||
}
|
||||
}
|
||||
|
||||
func Init(addrNetmap []byte) {
|
||||
if storage.Get(ctx, netmapContractKey) != nil {
|
||||
func Init(addrNetmap []byte, name string, index, total int) {
|
||||
if storage.Get(ctx, netmapKey) != nil {
|
||||
panic("contract already deployed")
|
||||
}
|
||||
|
||||
|
@ -69,7 +65,10 @@ func Init(addrNetmap []byte) {
|
|||
panic("incorrect length of contract script hash")
|
||||
}
|
||||
|
||||
storage.Put(ctx, netmapContractKey, addrNetmap)
|
||||
storage.Put(ctx, netmapKey, addrNetmap)
|
||||
storage.Put(ctx, nameKey, name)
|
||||
storage.Put(ctx, indexKey, index)
|
||||
storage.Put(ctx, totalKey, total)
|
||||
|
||||
setSerialized(ctx, voteKey, []ballot{})
|
||||
|
||||
|
@ -92,16 +91,30 @@ func balance(hash string, addr []byte) int {
|
|||
}
|
||||
|
||||
func irList() []irNode {
|
||||
netmapContractAddr := storage.Get(ctx, netmapContractKey).([]byte)
|
||||
netmapContractAddr := storage.Get(ctx, netmapKey).([]byte)
|
||||
return contract.Call(netmapContractAddr, "innerRingList").([]irNode)
|
||||
}
|
||||
|
||||
func currentEpoch() int {
|
||||
netmapContractAddr := storage.Get(ctx, netmapContractKey).([]byte)
|
||||
netmapContractAddr := storage.Get(ctx, netmapKey).([]byte)
|
||||
return contract.Call(netmapContractAddr, "epoch").(int)
|
||||
}
|
||||
|
||||
func name() string {
|
||||
return storage.Get(ctx, nameKey).(string)
|
||||
}
|
||||
|
||||
func index() int {
|
||||
return storage.Get(ctx, indexKey).(int)
|
||||
}
|
||||
|
||||
func total() int {
|
||||
return storage.Get(ctx, totalKey).(int)
|
||||
}
|
||||
|
||||
func checkPermission(ir []irNode) bool {
|
||||
index := index() // read from contract memory
|
||||
|
||||
if len(ir) <= index {
|
||||
return false
|
||||
}
|
||||
|
@ -111,8 +124,10 @@ func checkPermission(ir []irNode) bool {
|
|||
}
|
||||
|
||||
func innerRingInvoker(ir []irNode) []byte {
|
||||
amountOfContracts := total() // read from contract memory
|
||||
|
||||
for i := 0; i < len(ir); i++ {
|
||||
if i >= totalAlphabetContracts {
|
||||
if i >= amountOfContracts {
|
||||
return nil
|
||||
}
|
||||
|
||||
|
@ -157,6 +172,9 @@ func Emit() bool {
|
|||
|
||||
func Vote(epoch int, candidates [][]byte) {
|
||||
innerRingKeys := irList()
|
||||
threshold := total()/3*2 + 1
|
||||
index := index()
|
||||
name := name()
|
||||
|
||||
key := innerRingInvoker(innerRingKeys)
|
||||
if len(key) == 0 {
|
||||
|
@ -190,7 +208,7 @@ func Vote(epoch int, candidates [][]byte) {
|
|||
}
|
||||
|
||||
func Name() string {
|
||||
return name
|
||||
return name()
|
||||
}
|
||||
|
||||
func vote(ctx storage.Context, epoch int, id, from []byte) int {
|
|
@ -1,287 +0,0 @@
|
|||
package alphabetcontract
|
||||
|
||||
import (
|
||||
"github.com/nspcc-dev/neo-go/pkg/interop"
|
||||
"github.com/nspcc-dev/neo-go/pkg/interop/binary"
|
||||
"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/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 // hash of validators list
|
||||
n [][]byte // already voted inner ring nodes
|
||||
height int // height is an neofs epoch when ballot was registered
|
||||
}
|
||||
)
|
||||
|
||||
const (
|
||||
// native gas token script hash
|
||||
gasHash = "\x20\x2a\x2d\xd3\xf6\xa6\xe8\xf4\xd3\xb5\xaf\x26\xa7\xfe\xde\xba\x4b\x80\xdf\xb5"
|
||||
|
||||
// native neo token script hash
|
||||
neoHash = "\xb9\x7b\x8d\x5a\x73\x11\x81\x6f\xf7\xb1\xbf\xb0\x14\x20\xe2\x59\x0d\xa3\xc1\x24"
|
||||
|
||||
name = "Az"
|
||||
index = 0
|
||||
|
||||
netmapContractKey = "netmapScriptHash"
|
||||
|
||||
threshold = totalAlphabetContracts*2/3 + 1
|
||||
voteKey = "ballots"
|
||||
|
||||
totalAlphabetContracts = 7
|
||||
)
|
||||
|
||||
var (
|
||||
ctx storage.Context
|
||||
)
|
||||
|
||||
func init() {
|
||||
if runtime.GetTrigger() != runtime.Application {
|
||||
panic("contract has not been called in application node")
|
||||
}
|
||||
|
||||
ctx = storage.GetContext()
|
||||
}
|
||||
|
||||
// OnPayment is a callback for NEP-17 compatible native GAS and NEO contracts.
|
||||
func OnPayment(from interop.Hash160, amount int, data interface{}) {
|
||||
caller := runtime.GetCallingScriptHash()
|
||||
if !bytesEqual(caller, []byte(gasHash)) && !bytesEqual(caller, []byte(neoHash)) {
|
||||
panic("onPayment: alphabet contract accepts GAS and NEO only")
|
||||
}
|
||||
}
|
||||
|
||||
func Init(addrNetmap []byte) {
|
||||
if storage.Get(ctx, netmapContractKey) != nil {
|
||||
panic("contract already deployed")
|
||||
}
|
||||
|
||||
if len(addrNetmap) != 20 {
|
||||
panic("incorrect length of contract script hash")
|
||||
}
|
||||
|
||||
storage.Put(ctx, netmapContractKey, addrNetmap)
|
||||
|
||||
setSerialized(ctx, voteKey, []ballot{})
|
||||
|
||||
runtime.Log(name + " contract initialized")
|
||||
}
|
||||
|
||||
func Gas() int {
|
||||
contractHash := runtime.GetExecutingScriptHash()
|
||||
return balance(gasHash, contractHash)
|
||||
}
|
||||
|
||||
func Neo() int {
|
||||
contractHash := runtime.GetExecutingScriptHash()
|
||||
return balance(neoHash, contractHash)
|
||||
}
|
||||
|
||||
func balance(hash string, addr []byte) int {
|
||||
balance := contract.Call([]byte(hash), "balanceOf", addr)
|
||||
return balance.(int)
|
||||
}
|
||||
|
||||
func irList() []irNode {
|
||||
netmapContractAddr := storage.Get(ctx, netmapContractKey).([]byte)
|
||||
return contract.Call(netmapContractAddr, "innerRingList").([]irNode)
|
||||
}
|
||||
|
||||
func currentEpoch() int {
|
||||
netmapContractAddr := storage.Get(ctx, netmapContractKey).([]byte)
|
||||
return contract.Call(netmapContractAddr, "epoch").(int)
|
||||
}
|
||||
|
||||
func checkPermission(ir []irNode) bool {
|
||||
if len(ir) <= index {
|
||||
return false
|
||||
}
|
||||
|
||||
node := ir[index]
|
||||
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) {
|
||||
panic("invalid invoker")
|
||||
}
|
||||
|
||||
contractHash := runtime.GetExecutingScriptHash()
|
||||
neo := balance(neoHash, contractHash)
|
||||
|
||||
_ = contract.Call([]byte(neoHash), "transfer", contractHash, contractHash, neo, nil)
|
||||
|
||||
gas := balance(gasHash, contractHash)
|
||||
gasPerNode := gas * 7 / 8 / len(innerRingKeys)
|
||||
|
||||
if gasPerNode == 0 {
|
||||
runtime.Log("no gas to emit")
|
||||
return false
|
||||
}
|
||||
|
||||
for i := range innerRingKeys {
|
||||
node := innerRingKeys[i]
|
||||
address := contract.CreateStandardAccount(node.key)
|
||||
|
||||
_ = contract.Call([]byte(gasHash), "transfer", contractHash, address, gasPerNode, nil)
|
||||
}
|
||||
|
||||
runtime.Log("utility token has been emitted to inner ring nodes")
|
||||
return true
|
||||
}
|
||||
|
||||
func Vote(epoch int, candidates [][]byte) {
|
||||
innerRingKeys := irList()
|
||||
|
||||
key := innerRingInvoker(innerRingKeys)
|
||||
if len(key) == 0 {
|
||||
panic("invalid invoker")
|
||||
}
|
||||
|
||||
curEpoch := currentEpoch()
|
||||
if epoch != curEpoch {
|
||||
panic("invalid epoch")
|
||||
}
|
||||
|
||||
id := voteID(epoch, candidates)
|
||||
n := vote(ctx, curEpoch, id, key)
|
||||
|
||||
if n >= threshold {
|
||||
candidate := candidates[index%len(candidates)]
|
||||
address := runtime.GetExecutingScriptHash()
|
||||
|
||||
ok := contract.Call([]byte(neoHash), "vote", address, candidate).(bool)
|
||||
if ok {
|
||||
runtime.Log(name + ": successfully voted for validator")
|
||||
removeVotes(ctx, id)
|
||||
} else {
|
||||
runtime.Log(name + ": vote has been failed")
|
||||
}
|
||||
} else {
|
||||
runtime.Log(name + ": saved vote for validator")
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func Name() string {
|
||||
return name
|
||||
}
|
||||
|
||||
func vote(ctx storage.Context, epoch int, id, from []byte) int {
|
||||
var (
|
||||
newCandidates []ballot
|
||||
candidates = getBallots(ctx)
|
||||
found = -1
|
||||
)
|
||||
|
||||
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, height: epoch}
|
||||
found = len(voters)
|
||||
}
|
||||
|
||||
// add only valid ballots with current epochs
|
||||
if cnd.height == epoch {
|
||||
newCandidates = append(newCandidates, cnd)
|
||||
}
|
||||
}
|
||||
|
||||
if found < 0 {
|
||||
voters := [][]byte{from}
|
||||
newCandidates = append(newCandidates, ballot{
|
||||
id: id,
|
||||
n: voters,
|
||||
height: epoch})
|
||||
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)
|
||||
}
|
|
@ -1,287 +0,0 @@
|
|||
package alphabetcontract
|
||||
|
||||
import (
|
||||
"github.com/nspcc-dev/neo-go/pkg/interop"
|
||||
"github.com/nspcc-dev/neo-go/pkg/interop/binary"
|
||||
"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/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 // hash of validators list
|
||||
n [][]byte // already voted inner ring nodes
|
||||
height int // height is an neofs epoch when ballot was registered
|
||||
}
|
||||
)
|
||||
|
||||
const (
|
||||
// native gas token script hash
|
||||
gasHash = "\x20\x2a\x2d\xd3\xf6\xa6\xe8\xf4\xd3\xb5\xaf\x26\xa7\xfe\xde\xba\x4b\x80\xdf\xb5"
|
||||
|
||||
// native neo token script hash
|
||||
neoHash = "\xb9\x7b\x8d\x5a\x73\x11\x81\x6f\xf7\xb1\xbf\xb0\x14\x20\xe2\x59\x0d\xa3\xc1\x24"
|
||||
|
||||
name = "Buky"
|
||||
index = 1
|
||||
|
||||
netmapContractKey = "netmapScriptHash"
|
||||
|
||||
threshold = totalAlphabetContracts*2/3 + 1
|
||||
voteKey = "ballots"
|
||||
|
||||
totalAlphabetContracts = 7
|
||||
)
|
||||
|
||||
var (
|
||||
ctx storage.Context
|
||||
)
|
||||
|
||||
func init() {
|
||||
if runtime.GetTrigger() != runtime.Application {
|
||||
panic("contract has not been called in application node")
|
||||
}
|
||||
|
||||
ctx = storage.GetContext()
|
||||
}
|
||||
|
||||
// OnPayment is a callback for NEP-17 compatible native GAS and NEO contracts.
|
||||
func OnPayment(from interop.Hash160, amount int, data interface{}) {
|
||||
caller := runtime.GetCallingScriptHash()
|
||||
if !bytesEqual(caller, []byte(gasHash)) && !bytesEqual(caller, []byte(neoHash)) {
|
||||
panic("onPayment: alphabet contract accepts GAS and NEO only")
|
||||
}
|
||||
}
|
||||
|
||||
func Init(addrNetmap []byte) {
|
||||
if storage.Get(ctx, netmapContractKey) != nil {
|
||||
panic("contract already deployed")
|
||||
}
|
||||
|
||||
if len(addrNetmap) != 20 {
|
||||
panic("incorrect length of contract script hash")
|
||||
}
|
||||
|
||||
storage.Put(ctx, netmapContractKey, addrNetmap)
|
||||
|
||||
setSerialized(ctx, voteKey, []ballot{})
|
||||
|
||||
runtime.Log(name + " contract initialized")
|
||||
}
|
||||
|
||||
func Gas() int {
|
||||
contractHash := runtime.GetExecutingScriptHash()
|
||||
return balance(gasHash, contractHash)
|
||||
}
|
||||
|
||||
func Neo() int {
|
||||
contractHash := runtime.GetExecutingScriptHash()
|
||||
return balance(neoHash, contractHash)
|
||||
}
|
||||
|
||||
func balance(hash string, addr []byte) int {
|
||||
balance := contract.Call([]byte(hash), "balanceOf", addr)
|
||||
return balance.(int)
|
||||
}
|
||||
|
||||
func irList() []irNode {
|
||||
netmapContractAddr := storage.Get(ctx, netmapContractKey).([]byte)
|
||||
return contract.Call(netmapContractAddr, "innerRingList").([]irNode)
|
||||
}
|
||||
|
||||
func currentEpoch() int {
|
||||
netmapContractAddr := storage.Get(ctx, netmapContractKey).([]byte)
|
||||
return contract.Call(netmapContractAddr, "epoch").(int)
|
||||
}
|
||||
|
||||
func checkPermission(ir []irNode) bool {
|
||||
if len(ir) <= index {
|
||||
return false
|
||||
}
|
||||
|
||||
node := ir[index]
|
||||
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) {
|
||||
panic("invalid invoker")
|
||||
}
|
||||
|
||||
contractHash := runtime.GetExecutingScriptHash()
|
||||
neo := balance(neoHash, contractHash)
|
||||
|
||||
_ = contract.Call([]byte(neoHash), "transfer", contractHash, contractHash, neo, nil)
|
||||
|
||||
gas := balance(gasHash, contractHash)
|
||||
gasPerNode := gas * 7 / 8 / len(innerRingKeys)
|
||||
|
||||
if gasPerNode == 0 {
|
||||
runtime.Log("no gas to emit")
|
||||
return false
|
||||
}
|
||||
|
||||
for i := range innerRingKeys {
|
||||
node := innerRingKeys[i]
|
||||
address := contract.CreateStandardAccount(node.key)
|
||||
|
||||
_ = contract.Call([]byte(gasHash), "transfer", contractHash, address, gasPerNode, nil)
|
||||
}
|
||||
|
||||
runtime.Log("utility token has been emitted to inner ring nodes")
|
||||
return true
|
||||
}
|
||||
|
||||
func Vote(epoch int, candidates [][]byte) {
|
||||
innerRingKeys := irList()
|
||||
|
||||
key := innerRingInvoker(innerRingKeys)
|
||||
if len(key) == 0 {
|
||||
panic("invalid invoker")
|
||||
}
|
||||
|
||||
curEpoch := currentEpoch()
|
||||
if epoch != curEpoch {
|
||||
panic("invalid epoch")
|
||||
}
|
||||
|
||||
id := voteID(epoch, candidates)
|
||||
n := vote(ctx, curEpoch, id, key)
|
||||
|
||||
if n >= threshold {
|
||||
candidate := candidates[index%len(candidates)]
|
||||
address := runtime.GetExecutingScriptHash()
|
||||
|
||||
ok := contract.Call([]byte(neoHash), "vote", address, candidate).(bool)
|
||||
if ok {
|
||||
runtime.Log(name + ": successfully voted for validator")
|
||||
removeVotes(ctx, id)
|
||||
} else {
|
||||
runtime.Log(name + ": vote has been failed")
|
||||
}
|
||||
} else {
|
||||
runtime.Log(name + ": saved vote for validator")
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func Name() string {
|
||||
return name
|
||||
}
|
||||
|
||||
func vote(ctx storage.Context, epoch int, id, from []byte) int {
|
||||
var (
|
||||
newCandidates []ballot
|
||||
candidates = getBallots(ctx)
|
||||
found = -1
|
||||
)
|
||||
|
||||
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, height: epoch}
|
||||
found = len(voters)
|
||||
}
|
||||
|
||||
// add only valid ballots with current epochs
|
||||
if cnd.height == epoch {
|
||||
newCandidates = append(newCandidates, cnd)
|
||||
}
|
||||
}
|
||||
|
||||
if found < 0 {
|
||||
voters := [][]byte{from}
|
||||
newCandidates = append(newCandidates, ballot{
|
||||
id: id,
|
||||
n: voters,
|
||||
height: epoch})
|
||||
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)
|
||||
}
|
|
@ -1,287 +0,0 @@
|
|||
package alphabetcontract
|
||||
|
||||
import (
|
||||
"github.com/nspcc-dev/neo-go/pkg/interop"
|
||||
"github.com/nspcc-dev/neo-go/pkg/interop/binary"
|
||||
"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/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 // hash of validators list
|
||||
n [][]byte // already voted inner ring nodes
|
||||
height int // height is an neofs epoch when ballot was registered
|
||||
}
|
||||
)
|
||||
|
||||
const (
|
||||
// native gas token script hash
|
||||
gasHash = "\x20\x2a\x2d\xd3\xf6\xa6\xe8\xf4\xd3\xb5\xaf\x26\xa7\xfe\xde\xba\x4b\x80\xdf\xb5"
|
||||
|
||||
// native neo token script hash
|
||||
neoHash = "\xb9\x7b\x8d\x5a\x73\x11\x81\x6f\xf7\xb1\xbf\xb0\x14\x20\xe2\x59\x0d\xa3\xc1\x24"
|
||||
|
||||
name = "Glagoli"
|
||||
index = 3
|
||||
|
||||
netmapContractKey = "netmapScriptHash"
|
||||
|
||||
threshold = totalAlphabetContracts*2/3 + 1
|
||||
voteKey = "ballots"
|
||||
|
||||
totalAlphabetContracts = 7
|
||||
)
|
||||
|
||||
var (
|
||||
ctx storage.Context
|
||||
)
|
||||
|
||||
func init() {
|
||||
if runtime.GetTrigger() != runtime.Application {
|
||||
panic("contract has not been called in application node")
|
||||
}
|
||||
|
||||
ctx = storage.GetContext()
|
||||
}
|
||||
|
||||
// OnPayment is a callback for NEP-17 compatible native GAS and NEO contracts.
|
||||
func OnPayment(from interop.Hash160, amount int, data interface{}) {
|
||||
caller := runtime.GetCallingScriptHash()
|
||||
if !bytesEqual(caller, []byte(gasHash)) && !bytesEqual(caller, []byte(neoHash)) {
|
||||
panic("onPayment: alphabet contract accepts GAS and NEO only")
|
||||
}
|
||||
}
|
||||
|
||||
func Init(addrNetmap []byte) {
|
||||
if storage.Get(ctx, netmapContractKey) != nil {
|
||||
panic("contract already deployed")
|
||||
}
|
||||
|
||||
if len(addrNetmap) != 20 {
|
||||
panic("incorrect length of contract script hash")
|
||||
}
|
||||
|
||||
storage.Put(ctx, netmapContractKey, addrNetmap)
|
||||
|
||||
setSerialized(ctx, voteKey, []ballot{})
|
||||
|
||||
runtime.Log(name + " contract initialized")
|
||||
}
|
||||
|
||||
func Gas() int {
|
||||
contractHash := runtime.GetExecutingScriptHash()
|
||||
return balance(gasHash, contractHash)
|
||||
}
|
||||
|
||||
func Neo() int {
|
||||
contractHash := runtime.GetExecutingScriptHash()
|
||||
return balance(neoHash, contractHash)
|
||||
}
|
||||
|
||||
func balance(hash string, addr []byte) int {
|
||||
balance := contract.Call([]byte(hash), "balanceOf", addr)
|
||||
return balance.(int)
|
||||
}
|
||||
|
||||
func irList() []irNode {
|
||||
netmapContractAddr := storage.Get(ctx, netmapContractKey).([]byte)
|
||||
return contract.Call(netmapContractAddr, "innerRingList").([]irNode)
|
||||
}
|
||||
|
||||
func currentEpoch() int {
|
||||
netmapContractAddr := storage.Get(ctx, netmapContractKey).([]byte)
|
||||
return contract.Call(netmapContractAddr, "epoch").(int)
|
||||
}
|
||||
|
||||
func checkPermission(ir []irNode) bool {
|
||||
if len(ir) <= index {
|
||||
return false
|
||||
}
|
||||
|
||||
node := ir[index]
|
||||
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) {
|
||||
panic("invalid invoker")
|
||||
}
|
||||
|
||||
contractHash := runtime.GetExecutingScriptHash()
|
||||
neo := balance(neoHash, contractHash)
|
||||
|
||||
_ = contract.Call([]byte(neoHash), "transfer", contractHash, contractHash, neo, nil)
|
||||
|
||||
gas := balance(gasHash, contractHash)
|
||||
gasPerNode := gas * 7 / 8 / len(innerRingKeys)
|
||||
|
||||
if gasPerNode == 0 {
|
||||
runtime.Log("no gas to emit")
|
||||
return false
|
||||
}
|
||||
|
||||
for i := range innerRingKeys {
|
||||
node := innerRingKeys[i]
|
||||
address := contract.CreateStandardAccount(node.key)
|
||||
|
||||
_ = contract.Call([]byte(gasHash), "transfer", contractHash, address, gasPerNode, nil)
|
||||
}
|
||||
|
||||
runtime.Log("utility token has been emitted to inner ring nodes")
|
||||
return true
|
||||
}
|
||||
|
||||
func Vote(epoch int, candidates [][]byte) {
|
||||
innerRingKeys := irList()
|
||||
|
||||
key := innerRingInvoker(innerRingKeys)
|
||||
if len(key) == 0 {
|
||||
panic("invalid invoker")
|
||||
}
|
||||
|
||||
curEpoch := currentEpoch()
|
||||
if epoch != curEpoch {
|
||||
panic("invalid epoch")
|
||||
}
|
||||
|
||||
id := voteID(epoch, candidates)
|
||||
n := vote(ctx, curEpoch, id, key)
|
||||
|
||||
if n >= threshold {
|
||||
candidate := candidates[index%len(candidates)]
|
||||
address := runtime.GetExecutingScriptHash()
|
||||
|
||||
ok := contract.Call([]byte(neoHash), "vote", address, candidate).(bool)
|
||||
if ok {
|
||||
runtime.Log(name + ": successfully voted for validator")
|
||||
removeVotes(ctx, id)
|
||||
} else {
|
||||
runtime.Log(name + ": vote has been failed")
|
||||
}
|
||||
} else {
|
||||
runtime.Log(name + ": saved vote for validator")
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func Name() string {
|
||||
return name
|
||||
}
|
||||
|
||||
func vote(ctx storage.Context, epoch int, id, from []byte) int {
|
||||
var (
|
||||
newCandidates []ballot
|
||||
candidates = getBallots(ctx)
|
||||
found = -1
|
||||
)
|
||||
|
||||
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, height: epoch}
|
||||
found = len(voters)
|
||||
}
|
||||
|
||||
// add only valid ballots with current epochs
|
||||
if cnd.height == epoch {
|
||||
newCandidates = append(newCandidates, cnd)
|
||||
}
|
||||
}
|
||||
|
||||
if found < 0 {
|
||||
voters := [][]byte{from}
|
||||
newCandidates = append(newCandidates, ballot{
|
||||
id: id,
|
||||
n: voters,
|
||||
height: epoch})
|
||||
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)
|
||||
}
|
|
@ -1,287 +0,0 @@
|
|||
package alphabetcontract
|
||||
|
||||
import (
|
||||
"github.com/nspcc-dev/neo-go/pkg/interop"
|
||||
"github.com/nspcc-dev/neo-go/pkg/interop/binary"
|
||||
"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/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 // hash of validators list
|
||||
n [][]byte // already voted inner ring nodes
|
||||
height int // height is an neofs epoch when ballot was registered
|
||||
}
|
||||
)
|
||||
|
||||
const (
|
||||
// native gas token script hash
|
||||
gasHash = "\x20\x2a\x2d\xd3\xf6\xa6\xe8\xf4\xd3\xb5\xaf\x26\xa7\xfe\xde\xba\x4b\x80\xdf\xb5"
|
||||
|
||||
// native neo token script hash
|
||||
neoHash = "\xb9\x7b\x8d\x5a\x73\x11\x81\x6f\xf7\xb1\xbf\xb0\x14\x20\xe2\x59\x0d\xa3\xc1\x24"
|
||||
|
||||
name = "Jest"
|
||||
index = 5
|
||||
|
||||
netmapContractKey = "netmapScriptHash"
|
||||
|
||||
threshold = totalAlphabetContracts*2/3 + 1
|
||||
voteKey = "ballots"
|
||||
|
||||
totalAlphabetContracts = 7
|
||||
)
|
||||
|
||||
var (
|
||||
ctx storage.Context
|
||||
)
|
||||
|
||||
func init() {
|
||||
if runtime.GetTrigger() != runtime.Application {
|
||||
panic("contract has not been called in application node")
|
||||
}
|
||||
|
||||
ctx = storage.GetContext()
|
||||
}
|
||||
|
||||
// OnPayment is a callback for NEP-17 compatible native GAS and NEO contracts.
|
||||
func OnPayment(from interop.Hash160, amount int, data interface{}) {
|
||||
caller := runtime.GetCallingScriptHash()
|
||||
if !bytesEqual(caller, []byte(gasHash)) && !bytesEqual(caller, []byte(neoHash)) {
|
||||
panic("onPayment: alphabet contract accepts GAS and NEO only")
|
||||
}
|
||||
}
|
||||
|
||||
func Init(addrNetmap []byte) {
|
||||
if storage.Get(ctx, netmapContractKey) != nil {
|
||||
panic("contract already deployed")
|
||||
}
|
||||
|
||||
if len(addrNetmap) != 20 {
|
||||
panic("incorrect length of contract script hash")
|
||||
}
|
||||
|
||||
storage.Put(ctx, netmapContractKey, addrNetmap)
|
||||
|
||||
setSerialized(ctx, voteKey, []ballot{})
|
||||
|
||||
runtime.Log(name + " contract initialized")
|
||||
}
|
||||
|
||||
func Gas() int {
|
||||
contractHash := runtime.GetExecutingScriptHash()
|
||||
return balance(gasHash, contractHash)
|
||||
}
|
||||
|
||||
func Neo() int {
|
||||
contractHash := runtime.GetExecutingScriptHash()
|
||||
return balance(neoHash, contractHash)
|
||||
}
|
||||
|
||||
func balance(hash string, addr []byte) int {
|
||||
balance := contract.Call([]byte(hash), "balanceOf", addr)
|
||||
return balance.(int)
|
||||
}
|
||||
|
||||
func irList() []irNode {
|
||||
netmapContractAddr := storage.Get(ctx, netmapContractKey).([]byte)
|
||||
return contract.Call(netmapContractAddr, "innerRingList").([]irNode)
|
||||
}
|
||||
|
||||
func currentEpoch() int {
|
||||
netmapContractAddr := storage.Get(ctx, netmapContractKey).([]byte)
|
||||
return contract.Call(netmapContractAddr, "epoch").(int)
|
||||
}
|
||||
|
||||
func checkPermission(ir []irNode) bool {
|
||||
if len(ir) <= index {
|
||||
return false
|
||||
}
|
||||
|
||||
node := ir[index]
|
||||
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) {
|
||||
panic("invalid invoker")
|
||||
}
|
||||
|
||||
contractHash := runtime.GetExecutingScriptHash()
|
||||
neo := balance(neoHash, contractHash)
|
||||
|
||||
_ = contract.Call([]byte(neoHash), "transfer", contractHash, contractHash, neo, nil)
|
||||
|
||||
gas := balance(gasHash, contractHash)
|
||||
gasPerNode := gas * 7 / 8 / len(innerRingKeys)
|
||||
|
||||
if gasPerNode == 0 {
|
||||
runtime.Log("no gas to emit")
|
||||
return false
|
||||
}
|
||||
|
||||
for i := range innerRingKeys {
|
||||
node := innerRingKeys[i]
|
||||
address := contract.CreateStandardAccount(node.key)
|
||||
|
||||
_ = contract.Call([]byte(gasHash), "transfer", contractHash, address, gasPerNode, nil)
|
||||
}
|
||||
|
||||
runtime.Log("utility token has been emitted to inner ring nodes")
|
||||
return true
|
||||
}
|
||||
|
||||
func Vote(epoch int, candidates [][]byte) {
|
||||
innerRingKeys := irList()
|
||||
|
||||
key := innerRingInvoker(innerRingKeys)
|
||||
if len(key) == 0 {
|
||||
panic("invalid invoker")
|
||||
}
|
||||
|
||||
curEpoch := currentEpoch()
|
||||
if epoch != curEpoch {
|
||||
panic("invalid epoch")
|
||||
}
|
||||
|
||||
id := voteID(epoch, candidates)
|
||||
n := vote(ctx, curEpoch, id, key)
|
||||
|
||||
if n >= threshold {
|
||||
candidate := candidates[index%len(candidates)]
|
||||
address := runtime.GetExecutingScriptHash()
|
||||
|
||||
ok := contract.Call([]byte(neoHash), "vote", address, candidate).(bool)
|
||||
if ok {
|
||||
runtime.Log(name + ": successfully voted for validator")
|
||||
removeVotes(ctx, id)
|
||||
} else {
|
||||
runtime.Log(name + ": vote has been failed")
|
||||
}
|
||||
} else {
|
||||
runtime.Log(name + ": saved vote for validator")
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func Name() string {
|
||||
return name
|
||||
}
|
||||
|
||||
func vote(ctx storage.Context, epoch int, id, from []byte) int {
|
||||
var (
|
||||
newCandidates []ballot
|
||||
candidates = getBallots(ctx)
|
||||
found = -1
|
||||
)
|
||||
|
||||
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, height: epoch}
|
||||
found = len(voters)
|
||||
}
|
||||
|
||||
// add only valid ballots with current epochs
|
||||
if cnd.height == epoch {
|
||||
newCandidates = append(newCandidates, cnd)
|
||||
}
|
||||
}
|
||||
|
||||
if found < 0 {
|
||||
voters := [][]byte{from}
|
||||
newCandidates = append(newCandidates, ballot{
|
||||
id: id,
|
||||
n: voters,
|
||||
height: epoch})
|
||||
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)
|
||||
}
|
|
@ -1,287 +0,0 @@
|
|||
package alphabetcontract
|
||||
|
||||
import (
|
||||
"github.com/nspcc-dev/neo-go/pkg/interop"
|
||||
"github.com/nspcc-dev/neo-go/pkg/interop/binary"
|
||||
"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/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 // hash of validators list
|
||||
n [][]byte // already voted inner ring nodes
|
||||
height int // height is an neofs epoch when ballot was registered
|
||||
}
|
||||
)
|
||||
|
||||
const (
|
||||
// native gas token script hash
|
||||
gasHash = "\x20\x2a\x2d\xd3\xf6\xa6\xe8\xf4\xd3\xb5\xaf\x26\xa7\xfe\xde\xba\x4b\x80\xdf\xb5"
|
||||
|
||||
// native neo token script hash
|
||||
neoHash = "\xb9\x7b\x8d\x5a\x73\x11\x81\x6f\xf7\xb1\xbf\xb0\x14\x20\xe2\x59\x0d\xa3\xc1\x24"
|
||||
|
||||
name = "Vedi"
|
||||
index = 2
|
||||
|
||||
netmapContractKey = "netmapScriptHash"
|
||||
|
||||
threshold = totalAlphabetContracts*2/3 + 1
|
||||
voteKey = "ballots"
|
||||
|
||||
totalAlphabetContracts = 7
|
||||
)
|
||||
|
||||
var (
|
||||
ctx storage.Context
|
||||
)
|
||||
|
||||
func init() {
|
||||
if runtime.GetTrigger() != runtime.Application {
|
||||
panic("contract has not been called in application node")
|
||||
}
|
||||
|
||||
ctx = storage.GetContext()
|
||||
}
|
||||
|
||||
// OnPayment is a callback for NEP-17 compatible native GAS and NEO contracts.
|
||||
func OnPayment(from interop.Hash160, amount int, data interface{}) {
|
||||
caller := runtime.GetCallingScriptHash()
|
||||
if !bytesEqual(caller, []byte(gasHash)) && !bytesEqual(caller, []byte(neoHash)) {
|
||||
panic("onPayment: alphabet contract accepts GAS and NEO only")
|
||||
}
|
||||
}
|
||||
|
||||
func Init(addrNetmap []byte) {
|
||||
if storage.Get(ctx, netmapContractKey) != nil {
|
||||
panic("contract already deployed")
|
||||
}
|
||||
|
||||
if len(addrNetmap) != 20 {
|
||||
panic("incorrect length of contract script hash")
|
||||
}
|
||||
|
||||
storage.Put(ctx, netmapContractKey, addrNetmap)
|
||||
|
||||
setSerialized(ctx, voteKey, []ballot{})
|
||||
|
||||
runtime.Log(name + " contract initialized")
|
||||
}
|
||||
|
||||
func Gas() int {
|
||||
contractHash := runtime.GetExecutingScriptHash()
|
||||
return balance(gasHash, contractHash)
|
||||
}
|
||||
|
||||
func Neo() int {
|
||||
contractHash := runtime.GetExecutingScriptHash()
|
||||
return balance(neoHash, contractHash)
|
||||
}
|
||||
|
||||
func balance(hash string, addr []byte) int {
|
||||
balance := contract.Call([]byte(hash), "balanceOf", addr)
|
||||
return balance.(int)
|
||||
}
|
||||
|
||||
func irList() []irNode {
|
||||
netmapContractAddr := storage.Get(ctx, netmapContractKey).([]byte)
|
||||
return contract.Call(netmapContractAddr, "innerRingList").([]irNode)
|
||||
}
|
||||
|
||||
func currentEpoch() int {
|
||||
netmapContractAddr := storage.Get(ctx, netmapContractKey).([]byte)
|
||||
return contract.Call(netmapContractAddr, "epoch").(int)
|
||||
}
|
||||
|
||||
func checkPermission(ir []irNode) bool {
|
||||
if len(ir) <= index {
|
||||
return false
|
||||
}
|
||||
|
||||
node := ir[index]
|
||||
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) {
|
||||
panic("invalid invoker")
|
||||
}
|
||||
|
||||
contractHash := runtime.GetExecutingScriptHash()
|
||||
neo := balance(neoHash, contractHash)
|
||||
|
||||
_ = contract.Call([]byte(neoHash), "transfer", contractHash, contractHash, neo, nil)
|
||||
|
||||
gas := balance(gasHash, contractHash)
|
||||
gasPerNode := gas * 7 / 8 / len(innerRingKeys)
|
||||
|
||||
if gasPerNode == 0 {
|
||||
runtime.Log("no gas to emit")
|
||||
return false
|
||||
}
|
||||
|
||||
for i := range innerRingKeys {
|
||||
node := innerRingKeys[i]
|
||||
address := contract.CreateStandardAccount(node.key)
|
||||
|
||||
_ = contract.Call([]byte(gasHash), "transfer", contractHash, address, gasPerNode, nil)
|
||||
}
|
||||
|
||||
runtime.Log("utility token has been emitted to inner ring nodes")
|
||||
return true
|
||||
}
|
||||
|
||||
func Vote(epoch int, candidates [][]byte) {
|
||||
innerRingKeys := irList()
|
||||
|
||||
key := innerRingInvoker(innerRingKeys)
|
||||
if len(key) == 0 {
|
||||
panic("invalid invoker")
|
||||
}
|
||||
|
||||
curEpoch := currentEpoch()
|
||||
if epoch != curEpoch {
|
||||
panic("invalid epoch")
|
||||
}
|
||||
|
||||
id := voteID(epoch, candidates)
|
||||
n := vote(ctx, curEpoch, id, key)
|
||||
|
||||
if n >= threshold {
|
||||
candidate := candidates[index%len(candidates)]
|
||||
address := runtime.GetExecutingScriptHash()
|
||||
|
||||
ok := contract.Call([]byte(neoHash), "vote", address, candidate).(bool)
|
||||
if ok {
|
||||
runtime.Log(name + ": successfully voted for validator")
|
||||
removeVotes(ctx, id)
|
||||
} else {
|
||||
runtime.Log(name + ": vote has been failed")
|
||||
}
|
||||
} else {
|
||||
runtime.Log(name + ": saved vote for validator")
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func Name() string {
|
||||
return name
|
||||
}
|
||||
|
||||
func vote(ctx storage.Context, epoch int, id, from []byte) int {
|
||||
var (
|
||||
newCandidates []ballot
|
||||
candidates = getBallots(ctx)
|
||||
found = -1
|
||||
)
|
||||
|
||||
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, height: epoch}
|
||||
found = len(voters)
|
||||
}
|
||||
|
||||
// add only valid ballots with current epochs
|
||||
if cnd.height == epoch {
|
||||
newCandidates = append(newCandidates, cnd)
|
||||
}
|
||||
}
|
||||
|
||||
if found < 0 {
|
||||
voters := [][]byte{from}
|
||||
newCandidates = append(newCandidates, ballot{
|
||||
id: id,
|
||||
n: voters,
|
||||
height: epoch})
|
||||
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)
|
||||
}
|
|
@ -1,287 +0,0 @@
|
|||
package alphabetcontract
|
||||
|
||||
import (
|
||||
"github.com/nspcc-dev/neo-go/pkg/interop"
|
||||
"github.com/nspcc-dev/neo-go/pkg/interop/binary"
|
||||
"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/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 // hash of validators list
|
||||
n [][]byte // already voted inner ring nodes
|
||||
height int // height is an neofs epoch when ballot was registered
|
||||
}
|
||||
)
|
||||
|
||||
const (
|
||||
// native gas token script hash
|
||||
gasHash = "\x20\x2a\x2d\xd3\xf6\xa6\xe8\xf4\xd3\xb5\xaf\x26\xa7\xfe\xde\xba\x4b\x80\xdf\xb5"
|
||||
|
||||
// native neo token script hash
|
||||
neoHash = "\xb9\x7b\x8d\x5a\x73\x11\x81\x6f\xf7\xb1\xbf\xb0\x14\x20\xe2\x59\x0d\xa3\xc1\x24"
|
||||
|
||||
name = "Zhivete"
|
||||
index = 6
|
||||
|
||||
netmapContractKey = "netmapScriptHash"
|
||||
|
||||
threshold = totalAlphabetContracts*2/3 + 1
|
||||
voteKey = "ballots"
|
||||
|
||||
totalAlphabetContracts = 7
|
||||
)
|
||||
|
||||
var (
|
||||
ctx storage.Context
|
||||
)
|
||||
|
||||
func init() {
|
||||
if runtime.GetTrigger() != runtime.Application {
|
||||
panic("contract has not been called in application node")
|
||||
}
|
||||
|
||||
ctx = storage.GetContext()
|
||||
}
|
||||
|
||||
// OnPayment is a callback for NEP-17 compatible native GAS and NEO contracts.
|
||||
func OnPayment(from interop.Hash160, amount int, data interface{}) {
|
||||
caller := runtime.GetCallingScriptHash()
|
||||
if !bytesEqual(caller, []byte(gasHash)) && !bytesEqual(caller, []byte(neoHash)) {
|
||||
panic("onPayment: alphabet contract accepts GAS and NEO only")
|
||||
}
|
||||
}
|
||||
|
||||
func Init(addrNetmap []byte) {
|
||||
if storage.Get(ctx, netmapContractKey) != nil {
|
||||
panic("contract already deployed")
|
||||
}
|
||||
|
||||
if len(addrNetmap) != 20 {
|
||||
panic("incorrect length of contract script hash")
|
||||
}
|
||||
|
||||
storage.Put(ctx, netmapContractKey, addrNetmap)
|
||||
|
||||
setSerialized(ctx, voteKey, []ballot{})
|
||||
|
||||
runtime.Log(name + " contract initialized")
|
||||
}
|
||||
|
||||
func Gas() int {
|
||||
contractHash := runtime.GetExecutingScriptHash()
|
||||
return balance(gasHash, contractHash)
|
||||
}
|
||||
|
||||
func Neo() int {
|
||||
contractHash := runtime.GetExecutingScriptHash()
|
||||
return balance(neoHash, contractHash)
|
||||
}
|
||||
|
||||
func balance(hash string, addr []byte) int {
|
||||
balance := contract.Call([]byte(hash), "balanceOf", addr)
|
||||
return balance.(int)
|
||||
}
|
||||
|
||||
func irList() []irNode {
|
||||
netmapContractAddr := storage.Get(ctx, netmapContractKey).([]byte)
|
||||
return contract.Call(netmapContractAddr, "innerRingList").([]irNode)
|
||||
}
|
||||
|
||||
func currentEpoch() int {
|
||||
netmapContractAddr := storage.Get(ctx, netmapContractKey).([]byte)
|
||||
return contract.Call(netmapContractAddr, "epoch").(int)
|
||||
}
|
||||
|
||||
func checkPermission(ir []irNode) bool {
|
||||
if len(ir) <= index {
|
||||
return false
|
||||
}
|
||||
|
||||
node := ir[index]
|
||||
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) {
|
||||
panic("invalid invoker")
|
||||
}
|
||||
|
||||
contractHash := runtime.GetExecutingScriptHash()
|
||||
neo := balance(neoHash, contractHash)
|
||||
|
||||
_ = contract.Call([]byte(neoHash), "transfer", contractHash, contractHash, neo, nil)
|
||||
|
||||
gas := balance(gasHash, contractHash)
|
||||
gasPerNode := gas * 7 / 8 / len(innerRingKeys)
|
||||
|
||||
if gasPerNode == 0 {
|
||||
runtime.Log("no gas to emit")
|
||||
return false
|
||||
}
|
||||
|
||||
for i := range innerRingKeys {
|
||||
node := innerRingKeys[i]
|
||||
address := contract.CreateStandardAccount(node.key)
|
||||
|
||||
_ = contract.Call([]byte(gasHash), "transfer", contractHash, address, gasPerNode, nil)
|
||||
}
|
||||
|
||||
runtime.Log("utility token has been emitted to inner ring nodes")
|
||||
return true
|
||||
}
|
||||
|
||||
func Vote(epoch int, candidates [][]byte) {
|
||||
innerRingKeys := irList()
|
||||
|
||||
key := innerRingInvoker(innerRingKeys)
|
||||
if len(key) == 0 {
|
||||
panic("invalid invoker")
|
||||
}
|
||||
|
||||
curEpoch := currentEpoch()
|
||||
if epoch != curEpoch {
|
||||
panic("invalid epoch")
|
||||
}
|
||||
|
||||
id := voteID(epoch, candidates)
|
||||
n := vote(ctx, curEpoch, id, key)
|
||||
|
||||
if n >= threshold {
|
||||
candidate := candidates[index%len(candidates)]
|
||||
address := runtime.GetExecutingScriptHash()
|
||||
|
||||
ok := contract.Call([]byte(neoHash), "vote", address, candidate).(bool)
|
||||
if ok {
|
||||
runtime.Log(name + ": successfully voted for validator")
|
||||
removeVotes(ctx, id)
|
||||
} else {
|
||||
runtime.Log(name + ": vote has been failed")
|
||||
}
|
||||
} else {
|
||||
runtime.Log(name + ": saved vote for validator")
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func Name() string {
|
||||
return name
|
||||
}
|
||||
|
||||
func vote(ctx storage.Context, epoch int, id, from []byte) int {
|
||||
var (
|
||||
newCandidates []ballot
|
||||
candidates = getBallots(ctx)
|
||||
found = -1
|
||||
)
|
||||
|
||||
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, height: epoch}
|
||||
found = len(voters)
|
||||
}
|
||||
|
||||
// add only valid ballots with current epochs
|
||||
if cnd.height == epoch {
|
||||
newCandidates = append(newCandidates, cnd)
|
||||
}
|
||||
}
|
||||
|
||||
if found < 0 {
|
||||
voters := [][]byte{from}
|
||||
newCandidates = append(newCandidates, ballot{
|
||||
id: id,
|
||||
n: voters,
|
||||
height: epoch})
|
||||
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)
|
||||
}
|
Loading…
Reference in a new issue