128 lines
5.2 KiB
Go
128 lines
5.2 KiB
Go
/*
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Package neo provides an interface to NeoToken native contract.
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NEO token is special, it's not just a regular NEP-17 contract, it also
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provides access to chain-specific settings and implements committee
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voting system.
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*/
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package neo
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import (
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"github.com/nspcc-dev/neo-go/pkg/interop"
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"github.com/nspcc-dev/neo-go/pkg/interop/contract"
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"github.com/nspcc-dev/neo-go/pkg/interop/iterator"
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"github.com/nspcc-dev/neo-go/pkg/interop/neogointernal"
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)
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// AccountState contains info about a NEO holder.
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type AccountState struct {
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Balance int
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Height int
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VoteTo interop.PublicKey
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LastGasPerVote int
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}
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// Hash represents NEO contract hash.
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const Hash = "\xf5\x63\xea\x40\xbc\x28\x3d\x4d\x0e\x05\xc4\x8e\xa3\x05\xb3\xf2\xa0\x73\x40\xef"
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// Symbol represents `symbol` method of NEO native contract.
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func Symbol() string {
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return neogointernal.CallWithToken(Hash, "symbol", int(contract.NoneFlag)).(string)
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}
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// Decimals represents `decimals` method of NEO native contract.
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func Decimals() int {
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return neogointernal.CallWithToken(Hash, "decimals", int(contract.NoneFlag)).(int)
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}
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// TotalSupply represents `totalSupply` method of NEO native contract.
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func TotalSupply() int {
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return neogointernal.CallWithToken(Hash, "totalSupply", int(contract.ReadStates)).(int)
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}
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// BalanceOf represents `balanceOf` method of NEO native contract.
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func BalanceOf(addr interop.Hash160) int {
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return neogointernal.CallWithToken(Hash, "balanceOf", int(contract.ReadStates), addr).(int)
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}
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// Transfer represents `transfer` method of NEO native contract.
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func Transfer(from, to interop.Hash160, amount int, data any) bool {
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return neogointernal.CallWithToken(Hash, "transfer",
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int(contract.All), from, to, amount, data).(bool)
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}
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// GetCommittee represents `getCommittee` method of NEO native contract.
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func GetCommittee() []interop.PublicKey {
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return neogointernal.CallWithToken(Hash, "getCommittee", int(contract.ReadStates)).([]interop.PublicKey)
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}
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// GetCandidates represents `getCandidates` method of NEO native contract. It
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// returns up to 256 candidates. Use GetAllCandidates in case if you need the
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// whole set of candidates.
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func GetCandidates() []Candidate {
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return neogointernal.CallWithToken(Hash, "getCandidates", int(contract.ReadStates)).([]Candidate)
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}
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// GetAllCandidates represents `getAllCandidates` method of NEO native contract.
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// It returns Iterator over the whole set of Neo candidates sorted by public key
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// bytes. Each iterator value can be cast to Candidate. Use iterator interop
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// package to work with the returned Iterator.
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func GetAllCandidates() iterator.Iterator {
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return neogointernal.CallWithToken(Hash, "getAllCandidates", int(contract.ReadStates)).(iterator.Iterator)
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}
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// GetCandidateVote represents `getCandidateVote` method of NEO native contract.
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// It returns -1 if the candidate hasn't been registered or voted for and the
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// overall candidate votes otherwise.
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func GetCandidateVote(pub interop.PublicKey) int {
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return neogointernal.CallWithToken(Hash, "getCandidateVote", int(contract.ReadStates), pub).(int)
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}
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// GetNextBlockValidators represents `getNextBlockValidators` method of NEO native contract.
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func GetNextBlockValidators() []interop.PublicKey {
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return neogointernal.CallWithToken(Hash, "getNextBlockValidators", int(contract.ReadStates)).([]interop.PublicKey)
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}
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// GetGASPerBlock represents `getGasPerBlock` method of NEO native contract.
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func GetGASPerBlock() int {
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return neogointernal.CallWithToken(Hash, "getGasPerBlock", int(contract.ReadStates)).(int)
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}
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// SetGASPerBlock represents `setGasPerBlock` method of NEO native contract.
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func SetGASPerBlock(amount int) {
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neogointernal.CallWithTokenNoRet(Hash, "setGasPerBlock", int(contract.States), amount)
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}
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// GetRegisterPrice represents `getRegisterPrice` method of NEO native contract.
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func GetRegisterPrice() int {
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return neogointernal.CallWithToken(Hash, "getRegisterPrice", int(contract.ReadStates)).(int)
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}
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// SetRegisterPrice represents `setRegisterPrice` method of NEO native contract.
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func SetRegisterPrice(amount int) {
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neogointernal.CallWithTokenNoRet(Hash, "setRegisterPrice", int(contract.States), amount)
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}
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// RegisterCandidate represents `registerCandidate` method of NEO native contract.
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func RegisterCandidate(pub interop.PublicKey) bool {
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return neogointernal.CallWithToken(Hash, "registerCandidate", int(contract.States), pub).(bool)
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}
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// UnregisterCandidate represents `unregisterCandidate` method of NEO native contract.
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func UnregisterCandidate(pub interop.PublicKey) bool {
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return neogointernal.CallWithToken(Hash, "unregisterCandidate", int(contract.States), pub).(bool)
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}
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// Vote represents `vote` method of NEO native contract.
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func Vote(addr interop.Hash160, pub interop.PublicKey) bool {
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return neogointernal.CallWithToken(Hash, "vote", int(contract.States), addr, pub).(bool)
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}
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// UnclaimedGAS represents `unclaimedGas` method of NEO native contract.
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func UnclaimedGAS(addr interop.Hash160, end int) int {
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return neogointernal.CallWithToken(Hash, "unclaimedGas", int(contract.ReadStates), addr, end).(int)
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}
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// GetAccountState represents `getAccountState` method of NEO native contract.
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func GetAccountState(addr interop.Hash160) *AccountState {
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return neogointernal.CallWithToken(Hash, "getAccountState", int(contract.ReadStates), addr).(*AccountState)
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}
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