[#15] Refactor contract body for neo-go v0.91
In neo-go v0.91.0 manifest file should contain info about all contract methods. To do that neo-go compiler uses public function defined in contract file. This commit splits entire Main function into smaller independent contract methods. Signed-off-by: Alex Vanin <alexey@nspcc.ru>
This commit is contained in:
Alex Vanin
Alex Vanin
parent
da3c75465b
commit
7a275a3c4b
1 changed files with 340 additions and 349 deletions
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@ -77,7 +77,7 @@ const (
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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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version = 3
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innerRingKey = "innerring"
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voteKey = "ballots"
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@ -91,406 +91,397 @@ const (
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var (
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configPrefix = []byte("config")
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ctx storage.Context
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)
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func Main(op string, args []interface{}) interface{} {
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func init() {
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// The trigger determines whether this smart-contract is being
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// run in 'verification' or 'application' mode.
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if runtime.GetTrigger() != runtime.Application {
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return false
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panic("contract has not been called in application node")
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}
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ctx := storage.GetContext()
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ctx = storage.GetContext()
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switch op {
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case "Init":
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if storage.Get(ctx, innerRingKey) != nil {
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panic("neofs: contract already deployed")
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}
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func Init(args []interface{}) bool {
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if storage.Get(ctx, innerRingKey) != nil {
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panic("neofs: contract already deployed")
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}
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var irList []node
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for i := 0; i < len(args); i++ {
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pub := args[i].([]byte)
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irList = append(irList, node{pub: pub})
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}
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// initialize all storage slices
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setSerialized(ctx, innerRingKey, irList)
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setSerialized(ctx, voteKey, []ballot{})
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setSerialized(ctx, candidatesKey, []node{})
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setSerialized(ctx, cashedChequesKey, []cheque{})
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runtime.Log("neofs: contract initialized")
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return true
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}
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func InnerRingList() []node {
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return getInnerRingNodes(ctx, innerRingKey)
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}
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func InnerRingCandidates() []node {
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return getInnerRingNodes(ctx, candidatesKey)
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}
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func InnerRingCandidateRemove(key []byte) bool {
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if !runtime.CheckWitness(key) {
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panic("irCandidateRemove: you should be the owner of the public key")
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}
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nodes := []node{} // it is explicit declaration of empty slice, not nil
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candidates := getInnerRingNodes(ctx, candidatesKey)
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for i := range candidates {
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c := candidates[i]
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if !bytesEqual(c.pub, key) {
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nodes = append(nodes, c)
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} else {
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runtime.Log("irCandidateRemove: candidate has been removed")
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}
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}
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var irList []node
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setSerialized(ctx, candidatesKey, nodes)
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for i := 0; i < len(args); i++ {
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pub := args[i].([]byte)
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irList = append(irList, node{pub: pub})
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}
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return true
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}
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// initialize all storage slices
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setSerialized(ctx, innerRingKey, irList)
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setSerialized(ctx, voteKey, []ballot{})
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setSerialized(ctx, candidatesKey, []node{})
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setSerialized(ctx, cashedChequesKey, []cheque{})
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func InnerRingCandidateAdd(key []byte) bool {
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if !runtime.CheckWitness(key) {
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panic("irCandidateAdd: you should be the owner of the public key")
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}
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runtime.Log("neofs: contract initialized")
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c := node{pub: key}
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candidates := getInnerRingNodes(ctx, candidatesKey)
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return true
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case "InnerRingList":
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return getInnerRingNodes(ctx, innerRingKey)
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case "InnerRingCandidates":
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return getInnerRingNodes(ctx, candidatesKey)
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case "InnerRingCandidateRemove":
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if len(args) != 1 {
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panic("irCandidateRemove: bad arguments")
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}
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list, ok := addNode(candidates, c)
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if !ok {
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panic("irCandidateAdd: candidate already in the list")
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}
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key := args[0].([]byte) // inner ring candidate public key
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if !runtime.CheckWitness(key) {
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panic("irCandidateRemove: you should be the owner of the public key")
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}
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from := contract.CreateStandardAccount(key)
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to := runtime.GetExecutingScriptHash()
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fee := getConfig(ctx, candidateFeeConfigKey).(int)
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params := []interface{}{from, to, fee}
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nodes := []node{} // it is explicit declaration of empty slice, not nil
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candidates := getInnerRingNodes(ctx, candidatesKey)
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transferred := engine.AppCall([]byte(tokenHash), "transfer", params).(bool)
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if !transferred {
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panic("irCandidateAdd: failed to transfer funds, aborting")
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}
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for i := range candidates {
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c := candidates[i]
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if !bytesEqual(c.pub, key) {
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nodes = append(nodes, c)
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} else {
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runtime.Log("irCandidateRemove: candidate has been removed")
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}
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}
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runtime.Log("irCandidateAdd: candidate has been added")
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setSerialized(ctx, candidatesKey, list)
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setSerialized(ctx, candidatesKey, nodes)
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return true
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}
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return true
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case "InnerRingCandidateAdd":
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if len(args) != 1 {
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panic("irCandidateAdd: bad arguments")
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}
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func Deposit(from []byte, args []interface{}) bool {
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if len(args) < 1 || len(args) > 2 {
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panic("deposit: bad arguments")
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}
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key := args[0].([]byte) // inner ring candidate public key
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if !runtime.CheckWitness(key) {
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panic("irCandidateAdd: you should be the owner of the public key")
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}
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if !runtime.CheckWitness(from) {
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panic("deposit: you should be the owner of the wallet")
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}
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c := node{pub: key}
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candidates := getInnerRingNodes(ctx, candidatesKey)
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amount := args[0].(int)
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if amount > 0 {
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amount = amount * 100000000
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}
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list, ok := addNode(candidates, c)
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if !ok {
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panic("irCandidateAdd: candidate already in the list")
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}
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to := runtime.GetExecutingScriptHash()
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params := []interface{}{from, to, amount}
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from := contract.CreateStandardAccount(key)
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to := runtime.GetExecutingScriptHash()
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fee := getConfig(ctx, candidateFeeConfigKey).(int)
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params := []interface{}{from, to, fee}
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transferred := engine.AppCall([]byte(tokenHash), "transfer", params).(bool)
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if !transferred {
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panic("deposit: failed to transfer funds, aborting")
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}
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runtime.Log("deposit: funds have been transferred")
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var rcv = from
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if len(args) == 2 {
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rcv = args[1].([]byte) // todo: check if rcv value is valid
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}
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tx := runtime.GetScriptContainer()
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runtime.Notify("Deposit", from, amount, rcv, tx.Hash)
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return true
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}
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func Withdraw(user []byte, amount int) bool {
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if !runtime.CheckWitness(user) {
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panic("withdraw: you should be the owner of the wallet")
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}
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if amount > 0 {
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amount = amount * 100000000
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}
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tx := runtime.GetScriptContainer()
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runtime.Notify("Withdraw", user, amount, tx.Hash)
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return true
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}
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func Cheque(id, user []byte, amount int, lockAcc []byte) bool {
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irList := getInnerRingNodes(ctx, innerRingKey)
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threshold := len(irList)/3*2 + 1
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cashedCheques := getCashedCheques(ctx)
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hashID := crypto.SHA256(id)
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irKey := innerRingInvoker(irList)
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if len(irKey) == 0 {
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panic("cheque: invoked by non inner ring node")
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}
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c := cheque{id: id}
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list, ok := addCheque(cashedCheques, c)
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if !ok {
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panic("cheque: non unique id")
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}
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n := vote(ctx, hashID, irKey)
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if n >= threshold {
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removeVotes(ctx, hashID)
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from := runtime.GetExecutingScriptHash()
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params := []interface{}{from, user, amount}
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transferred := engine.AppCall([]byte(tokenHash), "transfer", params).(bool)
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if !transferred {
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panic("irCandidateAdd: failed to transfer funds, aborting")
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panic("cheque: failed to transfer funds, aborting")
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}
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runtime.Log("irCandidateAdd: candidate has been added")
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setSerialized(ctx, candidatesKey, list)
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runtime.Log("cheque: funds have been transferred")
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return true
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case "Deposit":
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if len(args) < 2 || len(args) > 3 {
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panic("deposit: bad arguments")
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setSerialized(ctx, cashedChequesKey, list)
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runtime.Notify("Cheque", id, user, amount, lockAcc)
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}
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return true
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}
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func Bind(user []byte, keys []interface{}) bool {
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if !runtime.CheckWitness(user) {
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panic("binding: you should be the owner of the wallet")
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}
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for i := 0; i < len(keys); i++ {
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pubKey := keys[i].([]byte)
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if len(pubKey) != publicKeySize {
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panic("binding: incorrect public key size")
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}
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}
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from := args[0].([]byte)
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if !runtime.CheckWitness(from) {
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panic("deposit: you should be the owner of the wallet")
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runtime.Notify("Bind", user, keys)
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return true
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}
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func Unbind(user []byte, keys []interface{}) bool {
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if !runtime.CheckWitness(user) {
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panic("unbinding: you should be the owner of the wallet")
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}
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for i := 0; i < len(keys); i++ {
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pubKey := keys[i].([]byte)
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if len(pubKey) != publicKeySize {
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panic("unbinding: incorrect public key size")
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}
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}
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amount := args[1].(int)
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if amount > 0 {
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amount = amount * 100000000
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}
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runtime.Notify("Unbind", user, keys)
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to := runtime.GetExecutingScriptHash()
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params := []interface{}{from, to, amount}
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return true
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}
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transferred := engine.AppCall([]byte(tokenHash), "transfer", params).(bool)
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if !transferred {
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panic("deposit: failed to transfer funds, aborting")
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}
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func InnerRingUpdate(chequeID []byte, args [][]byte) bool {
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if len(args) < minInnerRingSize {
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panic("irUpdate: bad arguments")
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}
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runtime.Log("deposit: funds have been transferred")
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irList := getInnerRingNodes(ctx, innerRingKey)
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threshold := len(irList)/3*2 + 1
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var rcv = from
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if len(args) == 3 {
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rcv = args[2].([]byte) // todo: check if rcv value is valid
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}
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irKey := innerRingInvoker(irList)
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if len(irKey) == 0 {
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panic("innerRingUpdate: invoked by non inner ring node")
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}
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tx := runtime.GetScriptContainer()
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runtime.Notify("Deposit", from, amount, rcv, tx.Hash)
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c := cheque{id: chequeID}
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return true
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case "Withdraw":
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if len(args) != 2 {
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panic("withdraw: bad arguments")
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}
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cashedCheques := getCashedCheques(ctx)
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user := args[0].([]byte)
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if !runtime.CheckWitness(user) {
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panic("withdraw: you should be the owner of the wallet")
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}
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chequesList, ok := addCheque(cashedCheques, c)
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if !ok {
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panic("irUpdate: non unique chequeID")
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}
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amount := args[1].(int)
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if amount > 0 {
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amount = amount * 100000000
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}
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oldNodes := 0
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candidates := getInnerRingNodes(ctx, candidatesKey)
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newIR := []node{}
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tx := runtime.GetScriptContainer()
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runtime.Notify("Withdraw", user, amount, tx.Hash)
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return true
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case "Cheque":
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if len(args) != 4 {
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panic("cheque: bad arguments")
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}
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id := args[0].([]byte) // unique cheque id
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user := args[1].([]byte) // GAS receiver
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amount := args[2].(int) // amount of GAS
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lockAcc := args[3].([]byte) // lock account from internal balance contract
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irList := getInnerRingNodes(ctx, innerRingKey)
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threshold := len(irList)/3*2 + 1
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cashedCheques := getCashedCheques(ctx)
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hashID := crypto.SHA256(id)
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irKey := innerRingInvoker(irList)
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if len(irKey) == 0 {
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panic("cheque: invoked by non inner ring node")
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}
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c := cheque{id: id}
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list, ok := addCheque(cashedCheques, c)
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if !ok {
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panic("cheque: non unique id")
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}
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n := vote(ctx, hashID, irKey)
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if n >= threshold {
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removeVotes(ctx, hashID)
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from := runtime.GetExecutingScriptHash()
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params := []interface{}{from, user, amount}
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transferred := engine.AppCall([]byte(tokenHash), "transfer", params).(bool)
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if !transferred {
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panic("cheque: failed to transfer funds, aborting")
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}
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runtime.Log("cheque: funds have been transferred")
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setSerialized(ctx, cashedChequesKey, list)
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runtime.Notify("Cheque", id, user, amount, lockAcc)
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}
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return true
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case "Bind", "Unbind":
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if len(args) < 2 {
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panic("binding: bad arguments")
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}
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user := args[0].([]byte)
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if !runtime.CheckWitness(user) {
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panic("binding: you should be the owner of the wallet")
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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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panic("binding: incorrect public key size")
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}
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keys = append(keys, pub)
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}
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runtime.Notify(op, user, keys)
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return true
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case "InnerRingUpdate":
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if len(args) < 1+minInnerRingSize {
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// cheque id + inner ring public keys
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panic("irUpdate: bad arguments")
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}
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irList := getInnerRingNodes(ctx, innerRingKey)
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threshold := len(irList)/3*2 + 1
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irKey := innerRingInvoker(irList)
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if len(irKey) == 0 {
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panic("innerRingUpdate: invoked by non inner ring node")
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}
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id := args[0].([]byte)
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c := cheque{id: id}
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cashedCheques := getCashedCheques(ctx)
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chequesList, ok := addCheque(cashedCheques, c)
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if !ok {
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panic("irUpdate: non unique id")
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}
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oldNodes := 0
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candidates := getInnerRingNodes(ctx, candidatesKey)
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newIR := []node{}
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loop:
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for i := 1; i < len(args); i++ {
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key := args[i].([]byte)
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if len(key) != publicKeySize {
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panic("irUpdate: invalid public key in inner ring list")
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}
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// find key in actual inner ring list
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for j := 0; j < len(irList); j++ {
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n := irList[j]
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if bytesEqual(n.pub, key) {
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newIR = append(newIR, n)
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oldNodes++
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continue loop
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}
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}
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// find key in candidates list
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candidates, newIR, ok = rmNodeByKey(candidates, newIR, key)
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if !ok {
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panic("irUpdate: unknown public key in inner ring list")
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}
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}
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if oldNodes < len(newIR)*2/3+1 {
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panic("irUpdate: inner ring change rate must not be more than 1/3 ")
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}
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hashID := crypto.SHA256(id)
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n := vote(ctx, hashID, irKey)
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if n >= threshold {
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removeVotes(ctx, hashID)
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setSerialized(ctx, candidatesKey, candidates)
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setSerialized(ctx, innerRingKey, newIR)
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setSerialized(ctx, cashedChequesKey, chequesList)
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runtime.Notify("InnerRingUpdate", c.id, newIR)
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runtime.Log("irUpdate: inner ring list has been updated")
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}
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return true
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case "IsInnerRing":
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if len(args) != 1 {
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panic("isInnerRing: wrong arguments")
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}
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key := args[0].([]byte)
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loop:
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for i := 1; i < len(args); i++ {
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key := args[i]
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if len(key) != publicKeySize {
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panic("isInnerRing: incorrect public key")
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panic("irUpdate: invalid public key in inner ring list")
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}
|
||||
|
||||
irList := getInnerRingNodes(ctx, innerRingKey)
|
||||
for i := range irList {
|
||||
node := irList[i]
|
||||
// find key in actual inner ring list
|
||||
for j := 0; j < len(irList); j++ {
|
||||
n := irList[j]
|
||||
if bytesEqual(n.pub, key) {
|
||||
newIR = append(newIR, n)
|
||||
oldNodes++
|
||||
|
||||
if bytesEqual(node.pub, key) {
|
||||
return true
|
||||
continue loop
|
||||
}
|
||||
}
|
||||
|
||||
return false
|
||||
case "Config":
|
||||
if len(args) != 1 {
|
||||
panic("config: bad arguments")
|
||||
}
|
||||
|
||||
key := args[0].([]byte)
|
||||
|
||||
return getConfig(ctx, key)
|
||||
case "SetConfig":
|
||||
if len(args) != 3 {
|
||||
panic("setConfig: bad arguments")
|
||||
}
|
||||
|
||||
// check if it is inner ring invocation
|
||||
irList := getInnerRingNodes(ctx, innerRingKey)
|
||||
threshold := len(irList)/3*2 + 1
|
||||
|
||||
irKey := innerRingInvoker(irList)
|
||||
if len(irKey) == 0 {
|
||||
panic("setConfig: invoked by non inner ring node")
|
||||
}
|
||||
|
||||
// check unique id of the operation
|
||||
id := args[0].([]byte)
|
||||
c := cheque{id: id}
|
||||
cashedCheques := getCashedCheques(ctx)
|
||||
|
||||
chequesList, ok := addCheque(cashedCheques, c)
|
||||
// find key in candidates list
|
||||
candidates, newIR, ok = rmNodeByKey(candidates, newIR, key)
|
||||
if !ok {
|
||||
panic("setConfig: non unique id")
|
||||
panic("irUpdate: unknown public key in inner ring list")
|
||||
}
|
||||
|
||||
// vote for new configuration value
|
||||
hashID := crypto.SHA256(id)
|
||||
|
||||
n := vote(ctx, hashID, irKey)
|
||||
if n >= threshold {
|
||||
removeVotes(ctx, hashID)
|
||||
|
||||
key := args[1]
|
||||
val := args[2]
|
||||
|
||||
setConfig(ctx, key, val)
|
||||
setSerialized(ctx, cashedChequesKey, chequesList)
|
||||
|
||||
runtime.Notify("SetConfig", id, key, val)
|
||||
runtime.Log("setConfig: configuration has been updated")
|
||||
}
|
||||
|
||||
return true
|
||||
case "ListConfig":
|
||||
var config []record
|
||||
|
||||
it := storage.Find(ctx, configPrefix)
|
||||
for iterator.Next(it) {
|
||||
key := iterator.Key(it).([]byte)
|
||||
val := iterator.Value(it).([]byte)
|
||||
r := record{key: key[len(configPrefix):], val: val}
|
||||
|
||||
config = append(config, r)
|
||||
}
|
||||
|
||||
return config
|
||||
case "InitConfig":
|
||||
if getConfig(ctx, candidateFeeConfigKey) != nil {
|
||||
panic("neofs: configuration already installed")
|
||||
}
|
||||
|
||||
ln := len(args)
|
||||
if ln%2 != 0 {
|
||||
panic("initConfig: bad arguments")
|
||||
}
|
||||
|
||||
setConfig(ctx, candidateFeeConfigKey, defaultCandidateFee)
|
||||
|
||||
for i := 0; i < ln/2; i++ {
|
||||
key := args[i*2]
|
||||
val := args[i*2+1]
|
||||
|
||||
setConfig(ctx, key, val)
|
||||
}
|
||||
|
||||
runtime.Log("neofs: config has been installed")
|
||||
|
||||
return true
|
||||
case "Version":
|
||||
return version
|
||||
}
|
||||
|
||||
panic("unknown operation")
|
||||
if oldNodes < len(newIR)*2/3+1 {
|
||||
panic("irUpdate: inner ring change rate must not be more than 1/3 ")
|
||||
}
|
||||
|
||||
hashID := crypto.SHA256(chequeID)
|
||||
|
||||
n := vote(ctx, hashID, irKey)
|
||||
if n >= threshold {
|
||||
removeVotes(ctx, hashID)
|
||||
|
||||
setSerialized(ctx, candidatesKey, candidates)
|
||||
setSerialized(ctx, innerRingKey, newIR)
|
||||
setSerialized(ctx, cashedChequesKey, chequesList)
|
||||
|
||||
runtime.Notify("InnerRingUpdate", c.id, newIR)
|
||||
runtime.Log("irUpdate: inner ring list has been updated")
|
||||
}
|
||||
|
||||
return true
|
||||
}
|
||||
|
||||
func IsInnerRing(key []byte) bool {
|
||||
if len(key) != publicKeySize {
|
||||
panic("isInnerRing: incorrect public key")
|
||||
}
|
||||
|
||||
irList := getInnerRingNodes(ctx, innerRingKey)
|
||||
for i := range irList {
|
||||
node := irList[i]
|
||||
|
||||
if bytesEqual(node.pub, key) {
|
||||
return true
|
||||
}
|
||||
}
|
||||
|
||||
return false
|
||||
}
|
||||
|
||||
func Config(key []byte) interface{} {
|
||||
return getConfig(ctx, key)
|
||||
}
|
||||
|
||||
func SetConfig(id, key, val []byte) bool {
|
||||
// check if it is inner ring invocation
|
||||
irList := getInnerRingNodes(ctx, innerRingKey)
|
||||
threshold := len(irList)/3*2 + 1
|
||||
|
||||
irKey := innerRingInvoker(irList)
|
||||
if len(irKey) == 0 {
|
||||
panic("setConfig: invoked by non inner ring node")
|
||||
}
|
||||
|
||||
// check unique id of the operation
|
||||
c := cheque{id: id}
|
||||
cashedCheques := getCashedCheques(ctx)
|
||||
|
||||
chequesList, ok := addCheque(cashedCheques, c)
|
||||
if !ok {
|
||||
panic("setConfig: non unique id")
|
||||
}
|
||||
|
||||
// vote for new configuration value
|
||||
hashID := crypto.SHA256(id)
|
||||
|
||||
n := vote(ctx, hashID, irKey)
|
||||
if n >= threshold {
|
||||
removeVotes(ctx, hashID)
|
||||
|
||||
setConfig(ctx, key, val)
|
||||
setSerialized(ctx, cashedChequesKey, chequesList)
|
||||
|
||||
runtime.Notify("SetConfig", id, key, val)
|
||||
runtime.Log("setConfig: configuration has been updated")
|
||||
}
|
||||
|
||||
return true
|
||||
}
|
||||
|
||||
func ListConfig() []record {
|
||||
var config []record
|
||||
|
||||
it := storage.Find(ctx, configPrefix)
|
||||
for iterator.Next(it) {
|
||||
key := iterator.Key(it).([]byte)
|
||||
val := iterator.Value(it).([]byte)
|
||||
r := record{key: key[len(configPrefix):], val: val}
|
||||
|
||||
config = append(config, r)
|
||||
}
|
||||
|
||||
return config
|
||||
}
|
||||
|
||||
func InitConfig(args []interface{}) bool {
|
||||
if getConfig(ctx, candidateFeeConfigKey) != nil {
|
||||
panic("neofs: configuration already installed")
|
||||
}
|
||||
|
||||
ln := len(args)
|
||||
if ln%2 != 0 {
|
||||
panic("initConfig: bad arguments")
|
||||
}
|
||||
|
||||
setConfig(ctx, candidateFeeConfigKey, defaultCandidateFee)
|
||||
|
||||
for i := 0; i < ln/2; i++ {
|
||||
key := args[i*2]
|
||||
val := args[i*2+1]
|
||||
|
||||
setConfig(ctx, key, val)
|
||||
}
|
||||
|
||||
runtime.Log("neofs: config has been installed")
|
||||
|
||||
return true
|
||||
}
|
||||
|
||||
func Version() int {
|
||||
return version
|
||||
}
|
||||
|
||||
// innerRingInvoker returns public key of inner ring node that invoked contract.
|
||||
|
|
@ -552,7 +543,7 @@ func vote(ctx storage.Context, id, from []byte) int {
|
|||
return found
|
||||
}
|
||||
|
||||
// removeVotes clears ballots of the decision that has benn aceepted by
|
||||
// removeVotes clears ballots of the decision that has been accepted by
|
||||
// inner ring nodes.
|
||||
func removeVotes(ctx storage.Context, id []byte) {
|
||||
var (
|
||||
|
|
|
|||
Loading…
Reference in a new issue