forked from TrueCloudLab/frostfs-contract
Remove unused functions and fix lint errors
This commit is contained in:
alexvanin
parent
1cfbd19e9e
commit
013a70f3bf
1 changed files with 61 additions and 148 deletions
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@ -1,5 +1,42 @@
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package smart_contract
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/*
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NeoFS Smart Contract for NEO3.0.
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Utility operations, executed once in deploy stage:
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- Init(pubKey, ... ) - setup initial inner ring nodes
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- InitConfig(key, value, key, value...) - setup initial NeoFS configuration
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User operations:
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- Deposit(script-hash, amount, script-hash(?)) - deposit gas assets to this script-hash address to NeoFS balance
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- Withdraw(script-hash, amount) - initialize gas asset withdraw from NeoFS balance
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- Bind(script-hash, pubKeys...) - bind public key with user's account to use it in NeoFS requests
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- Unbind(script-hash, pubKeys...) - unbind public key from user's account
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Inner ring list operations:
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- InnerRingList() - returns array of inner ring node keys
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- InnerRingCandidates() - returns array of inner ring candidate node keys
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- IsInnerRing(pubKey) - returns 'true' if key is inside of inner ring list
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- InnerRingCandidateAdd(pubKey) - adds key to the list of inner ring candidates
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- InnerRingCandidateRemove(pubKey) - removes key from the list of inner ring candidates
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- InnerRingUpdate(id, pubKeys...) - updates list of inner ring nodes with provided list of public keys
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Config operations:
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- Config(key) - returns value of NeoFS configuration with key 'key'
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- ListConfig() - returns array of all key-value pairs of NeoFS configuration
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- SetConfig(id, key, value) - set key-value pair as a NeoFS runtime configuration value
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Other utility operations:
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- Version - returns contract version
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- Cheque(id, script- hash, amount, script-hash) - sends gas assets back to the user if they were successfully
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locked in NeoFS balance contract
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Parameters:
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- (?) - parameter can be omitted
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- pubKey - 33 bytes of public key
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- id - unique byte sequence
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*/
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import (
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"github.com/nspcc-dev/neo-go/pkg/interop/binary"
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"github.com/nspcc-dev/neo-go/pkg/interop/blockchain"
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@ -34,17 +71,22 @@ type (
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)
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const (
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tokenHash = "\x3b\x7d\x37\x11\xc6\xf0\xcc\xf9\xb1\xdc\xa9\x03\xd1\xbf\xa1\xd8\x96\xf1\x23\x8c"
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// native gas token script hash
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tokenHash = "\x3b\x7d\x37\x11\xc6\xf0\xcc\xf9\xb1\xdc\xa9\x03\xd1\xbf\xa1\xd8\x96\xf1\x23\x8c"
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defaultCandidateFee = 100 * 1_0000_0000 // 100 Fixed8 Gas
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candidateFeeConfigKey = "InnerRingCandidateFee"
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version = 2
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innerRingKey = "innerring"
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voteKey = "ballots"
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candidatesKey = "candidates"
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cashedChequesKey = "cheques"
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blockDiff = 20 // change base on performance evaluation
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publicKeySize = 33
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minInnerRingSize = 3
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version = 2
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innerRingKey = "innerring"
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voteKey = "ballots"
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candidatesKey = "candidates"
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cashedChequesKey = "cheques"
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blockDiff = 20 // change base on performance evaluation
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publicKeySize = 33
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minInnerRingSize = 3
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)
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var (
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@ -58,29 +100,6 @@ func Main(op string, args []interface{}) interface{} {
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return false
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}
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/*
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Utility operations - they will be changed in production:
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- Deploy(params: address, pubKey, ... ) - setup initial inner ring state
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User operations:
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- InnerRingList() - get list of inner ring nodes addresses and public keys
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- InnerRingCandidateRemove(params: pubKey) - remove node with given public key from the inner ring candidate queue
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- InnerRingCandidateAdd(params: pubKey) - add node to the inner ring candidate queue
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- Deposit(params: pubKey, amount) - deposit GAS to the NeoFS account
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- Withdraw(params: withdrawCheque) - withdraw GAS from the NeoFS account
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- InnerRingUpdate(params: irCheque) - change list of inner ring nodes
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- IsInnerRing(params: pubKey) - returns true if pubKey presented in inner ring list
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- Version() - get version of the NeoFS smart-contract
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Params:
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- address - string of the valid multiaddress (github.com/multiformats/multiaddr)
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- pubKey - 33 byte public key
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- withdrawCheque - serialized structure, that confirms GAS transfer;
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contains inner ring signatures
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- irCheque - serialized structure, that confirms new inner ring node list;
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contains inner ring signatures
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*/
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ctx := storage.GetContext()
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switch op {
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@ -277,6 +296,7 @@ func Main(op string, args []interface{}) interface{} {
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}
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var keys [][]byte
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for i := 1; i < len(args); i++ {
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pub := args[i].([]byte)
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if len(pub) != publicKeySize {
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@ -367,7 +387,7 @@ func Main(op string, args []interface{}) interface{} {
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}
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key := args[0].([]byte)
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if len(key) != 33 {
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if len(key) != publicKeySize {
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panic("isInnerRing: incorrect public key")
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}
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@ -473,119 +493,6 @@ func Main(op string, args []interface{}) interface{} {
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panic("unknown operation")
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}
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// fixme: use strict type deserialization wrappers
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func getSerialized(ctx storage.Context, key string) interface{} {
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data := storage.Get(ctx, key).([]byte)
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if len(data) != 0 {
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return binary.Deserialize(data)
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}
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return nil
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}
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func delSerialized(ctx storage.Context, key string, value []byte) bool {
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data := storage.Get(ctx, key).([]byte)
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deleted := false
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var newList [][]byte
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if len(data) != 0 {
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lst := binary.Deserialize(data).([][]byte)
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for i := 0; i < len(lst); i++ {
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if util.Equals(value, lst[i]) {
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deleted = true
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} else {
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newList = append(newList, lst[i])
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}
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}
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if deleted {
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if len(newList) != 0 {
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data := binary.Serialize(newList)
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storage.Put(ctx, key, data)
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} else {
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storage.Delete(ctx, key)
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}
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runtime.Log("target element has been removed")
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return true
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}
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}
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runtime.Log("target element has not been removed")
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return false
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}
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func putSerialized(ctx storage.Context, key string, value interface{}) bool {
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data := storage.Get(ctx, key).([]byte)
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var lst []interface{}
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if len(data) != 0 {
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lst = binary.Deserialize(data).([]interface{})
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}
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lst = append(lst, value)
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data = binary.Serialize(lst)
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storage.Put(ctx, key, data)
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return true
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}
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func pubToScriptHash(pkey []byte) []byte {
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// pre := []byte{0x21}
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// buf := append(pre, pkey...)
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// buf = append(buf, 0xac)
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// h := crypto.Hash160(buf)
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//
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// return h
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// fixme: someday ripemd syscall will appear
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// or simply store script-hashes along with public key
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return []byte{0x0F, 0xED}
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}
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func containsCheck(lst []cheque, c cheque) bool {
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for i := 0; i < len(lst); i++ {
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if util.Equals(c, lst[i]) {
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return true
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}
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}
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return false
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}
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func containsPub(lst []node, elem []byte) bool {
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for i := 0; i < len(lst); i++ {
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e := lst[i]
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if util.Equals(elem, e.pub) {
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return true
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}
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}
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return false
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}
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func delSerializedIR(ctx storage.Context, key string, value []byte) bool {
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data := storage.Get(ctx, key).([]byte)
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deleted := false
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newList := []node{}
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if len(data) != 0 {
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lst := binary.Deserialize(data).([]node)
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for i := 0; i < len(lst); i++ {
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n := lst[i]
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if util.Equals(value, n.pub) {
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deleted = true
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} else {
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newList = append(newList, n)
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}
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}
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if deleted {
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data := binary.Serialize(newList)
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storage.Put(ctx, key, data)
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runtime.Log("target element has been removed")
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return true
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}
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}
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runtime.Log("target element has not been removed")
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return false
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}
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// innerRingInvoker returns public key of inner ring node that invoked contract.
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func innerRingInvoker(ir []node) []byte {
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for i := 0; i < len(ir); i++ {
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@ -598,9 +505,11 @@ func innerRingInvoker(ir []node) []byte {
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return nil
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}
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// vote adds ballot for the decision with specific 'id' and returns amount
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// on unique voters for that decision.
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func vote(ctx storage.Context, id, from []byte) int {
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var (
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newCandidates []ballot
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newCandidates = []ballot{} // it is explicit declaration of empty slice, not nil
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candidates = getBallots(ctx)
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found = -1
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blockHeight = blockchain.GetHeight()
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@ -643,9 +552,11 @@ func vote(ctx storage.Context, id, from []byte) int {
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return found
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}
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// removeVotes clears ballots of the decision that has benn aceepted by
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// inner ring nodes.
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func removeVotes(ctx storage.Context, id []byte) {
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var (
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newCandidates []ballot
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newCandidates = []ballot{} // it is explicit declaration of empty slice, not nil
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candidates = getBallots(ctx)
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)
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@ -721,6 +632,7 @@ func addCheque(lst []cheque, c cheque) ([]cheque, bool) {
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}
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lst = append(lst, c)
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return lst, true
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}
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@ -734,6 +646,7 @@ func addNode(lst []node, n node) ([]node, bool) {
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}
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lst = append(lst, n)
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return lst, true
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}
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