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323 lines
15 KiB
Go
323 lines
15 KiB
Go
// Package nameservice contains RPC wrappers for NameService contract.
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package nameservice
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import (
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"github.com/google/uuid"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/neorpc/result"
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"github.com/nspcc-dev/neo-go/pkg/rpcclient/nep11"
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"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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"math/big"
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)
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// Hash contains contract hash.
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var Hash = util.Uint160{0xde, 0x46, 0x5f, 0x5d, 0x50, 0x57, 0xcf, 0x33, 0x28, 0x47, 0x94, 0xc5, 0xcf, 0xc2, 0xc, 0x69, 0x37, 0x1c, 0xac, 0x50}
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// Invoker is used by ContractReader to call various safe methods.
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type Invoker interface {
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nep11.Invoker
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}
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// Actor is used by Contract to call state-changing methods.
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type Actor interface {
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Invoker
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nep11.Actor
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MakeCall(contract util.Uint160, method string, params ...interface{}) (*transaction.Transaction, error)
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MakeRun(script []byte) (*transaction.Transaction, error)
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MakeUnsignedCall(contract util.Uint160, method string, attrs []transaction.Attribute, params ...interface{}) (*transaction.Transaction, error)
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MakeUnsignedRun(script []byte, attrs []transaction.Attribute) (*transaction.Transaction, error)
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SendCall(contract util.Uint160, method string, params ...interface{}) (util.Uint256, uint32, error)
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SendRun(script []byte) (util.Uint256, uint32, error)
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}
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// ContractReader implements safe contract methods.
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type ContractReader struct {
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nep11.NonDivisibleReader
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invoker Invoker
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}
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// Contract implements all contract methods.
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type Contract struct {
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ContractReader
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nep11.BaseWriter
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actor Actor
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}
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// NewReader creates an instance of ContractReader using Hash and the given Invoker.
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func NewReader(invoker Invoker) *ContractReader {
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return &ContractReader{*nep11.NewNonDivisibleReader(invoker, Hash), invoker}
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}
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// New creates an instance of Contract using Hash and the given Actor.
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func New(actor Actor) *Contract {
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var nep11ndt = nep11.NewNonDivisible(actor, Hash)
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return &Contract{ContractReader{nep11ndt.NonDivisibleReader, actor}, nep11ndt.BaseWriter, actor}
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}
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// Roots invokes `roots` method of contract.
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func (c *ContractReader) Roots() (uuid.UUID, result.Iterator, error) {
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return unwrap.SessionIterator(c.invoker.Call(Hash, "roots"))
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}
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// RootsExpanded is similar to Roots (uses the same contract
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// method), but can be useful if the server used doesn't support sessions and
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// doesn't expand iterators. It creates a script that will get the specified
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// number of result items from the iterator right in the VM and return them to
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// you. It's only limited by VM stack and GAS available for RPC invocations.
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func (c *ContractReader) RootsExpanded(_numOfIteratorItems int) ([]stackitem.Item, error) {
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return unwrap.Array(c.invoker.CallAndExpandIterator(Hash, "roots", _numOfIteratorItems))
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}
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// GetPrice invokes `getPrice` method of contract.
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func (c *ContractReader) GetPrice(length *big.Int) (*big.Int, error) {
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return unwrap.BigInt(c.invoker.Call(Hash, "getPrice", length))
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}
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// IsAvailable invokes `isAvailable` method of contract.
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func (c *ContractReader) IsAvailable(name string) (bool, error) {
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return unwrap.Bool(c.invoker.Call(Hash, "isAvailable", name))
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}
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// GetRecord invokes `getRecord` method of contract.
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func (c *ContractReader) GetRecord(name string, typev *big.Int) (string, error) {
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return unwrap.UTF8String(c.invoker.Call(Hash, "getRecord", name, typev))
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}
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// GetAllRecords invokes `getAllRecords` method of contract.
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func (c *ContractReader) GetAllRecords(name string) (uuid.UUID, result.Iterator, error) {
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return unwrap.SessionIterator(c.invoker.Call(Hash, "getAllRecords", name))
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}
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// GetAllRecordsExpanded is similar to GetAllRecords (uses the same contract
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// method), but can be useful if the server used doesn't support sessions and
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// doesn't expand iterators. It creates a script that will get the specified
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// number of result items from the iterator right in the VM and return them to
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// you. It's only limited by VM stack and GAS available for RPC invocations.
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func (c *ContractReader) GetAllRecordsExpanded(name string, _numOfIteratorItems int) ([]stackitem.Item, error) {
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return unwrap.Array(c.invoker.CallAndExpandIterator(Hash, "getAllRecords", _numOfIteratorItems, name))
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}
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// Resolve invokes `resolve` method of contract.
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func (c *ContractReader) Resolve(name string, typev *big.Int) (string, error) {
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return unwrap.UTF8String(c.invoker.Call(Hash, "resolve", name, typev))
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}
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// Update creates a transaction invoking `update` method of the contract.
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// This transaction is signed and immediately sent to the network.
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// The values returned are its hash, ValidUntilBlock value and error if any.
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func (c *Contract) Update(nef []byte, manifest string) (util.Uint256, uint32, error) {
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return c.actor.SendCall(Hash, "update", nef, manifest)
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}
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// UpdateTransaction creates a transaction invoking `update` method of the contract.
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// This transaction is signed, but not sent to the network, instead it's
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// returned to the caller.
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func (c *Contract) UpdateTransaction(nef []byte, manifest string) (*transaction.Transaction, error) {
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return c.actor.MakeCall(Hash, "update", nef, manifest)
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}
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// UpdateUnsigned creates a transaction invoking `update` method of the contract.
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// This transaction is not signed, it's simply returned to the caller.
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// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
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// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
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func (c *Contract) UpdateUnsigned(nef []byte, manifest string) (*transaction.Transaction, error) {
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return c.actor.MakeUnsignedCall(Hash, "update", nil, nef, manifest)
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}
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// AddRoot creates a transaction invoking `addRoot` method of the contract.
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// This transaction is signed and immediately sent to the network.
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// The values returned are its hash, ValidUntilBlock value and error if any.
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func (c *Contract) AddRoot(root string) (util.Uint256, uint32, error) {
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return c.actor.SendCall(Hash, "addRoot", root)
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}
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// AddRootTransaction creates a transaction invoking `addRoot` method of the contract.
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// This transaction is signed, but not sent to the network, instead it's
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// returned to the caller.
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func (c *Contract) AddRootTransaction(root string) (*transaction.Transaction, error) {
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return c.actor.MakeCall(Hash, "addRoot", root)
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}
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// AddRootUnsigned creates a transaction invoking `addRoot` method of the contract.
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// This transaction is not signed, it's simply returned to the caller.
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// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
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// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
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func (c *Contract) AddRootUnsigned(root string) (*transaction.Transaction, error) {
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return c.actor.MakeUnsignedCall(Hash, "addRoot", nil, root)
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}
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// SetPrice creates a transaction invoking `setPrice` method of the contract.
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// This transaction is signed and immediately sent to the network.
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// The values returned are its hash, ValidUntilBlock value and error if any.
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func (c *Contract) SetPrice(priceList []interface{}) (util.Uint256, uint32, error) {
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return c.actor.SendCall(Hash, "setPrice", priceList)
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}
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// SetPriceTransaction creates a transaction invoking `setPrice` method of the contract.
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// This transaction is signed, but not sent to the network, instead it's
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// returned to the caller.
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func (c *Contract) SetPriceTransaction(priceList []interface{}) (*transaction.Transaction, error) {
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return c.actor.MakeCall(Hash, "setPrice", priceList)
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}
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// SetPriceUnsigned creates a transaction invoking `setPrice` method of the contract.
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// This transaction is not signed, it's simply returned to the caller.
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// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
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// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
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func (c *Contract) SetPriceUnsigned(priceList []interface{}) (*transaction.Transaction, error) {
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return c.actor.MakeUnsignedCall(Hash, "setPrice", nil, priceList)
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}
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func scriptForRegister(name string, owner util.Uint160) ([]byte, error) {
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return smartcontract.CreateCallWithAssertScript(Hash, "register", name, owner)
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}
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// Register creates a transaction invoking `register` method of the contract.
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// This transaction is signed and immediately sent to the network.
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// The values returned are its hash, ValidUntilBlock value and error if any.
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func (c *Contract) Register(name string, owner util.Uint160) (util.Uint256, uint32, error) {
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script, err := scriptForRegister(name, owner)
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if err != nil {
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return util.Uint256{}, 0, err
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}
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return c.actor.SendRun(script)
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}
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// RegisterTransaction creates a transaction invoking `register` method of the contract.
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// This transaction is signed, but not sent to the network, instead it's
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// returned to the caller.
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func (c *Contract) RegisterTransaction(name string, owner util.Uint160) (*transaction.Transaction, error) {
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script, err := scriptForRegister(name, owner)
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if err != nil {
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return nil, err
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}
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return c.actor.MakeRun(script)
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}
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// RegisterUnsigned creates a transaction invoking `register` method of the contract.
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// This transaction is not signed, it's simply returned to the caller.
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// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
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// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
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func (c *Contract) RegisterUnsigned(name string, owner util.Uint160) (*transaction.Transaction, error) {
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script, err := scriptForRegister(name, owner)
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if err != nil {
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return nil, err
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}
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return c.actor.MakeUnsignedRun(script, nil)
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}
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// Renew creates a transaction invoking `renew` method of the contract.
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// This transaction is signed and immediately sent to the network.
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// The values returned are its hash, ValidUntilBlock value and error if any.
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func (c *Contract) Renew(name string) (util.Uint256, uint32, error) {
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return c.actor.SendCall(Hash, "renew", name)
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}
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// RenewTransaction creates a transaction invoking `renew` method of the contract.
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// This transaction is signed, but not sent to the network, instead it's
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// returned to the caller.
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func (c *Contract) RenewTransaction(name string) (*transaction.Transaction, error) {
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return c.actor.MakeCall(Hash, "renew", name)
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}
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// RenewUnsigned creates a transaction invoking `renew` method of the contract.
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// This transaction is not signed, it's simply returned to the caller.
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// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
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// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
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func (c *Contract) RenewUnsigned(name string) (*transaction.Transaction, error) {
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return c.actor.MakeUnsignedCall(Hash, "renew", nil, name)
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}
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// Renew_2 creates a transaction invoking `renew` method of the contract.
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// This transaction is signed and immediately sent to the network.
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// The values returned are its hash, ValidUntilBlock value and error if any.
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func (c *Contract) Renew_2(name string, years *big.Int) (util.Uint256, uint32, error) {
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return c.actor.SendCall(Hash, "renew", name, years)
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}
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// Renew_2Transaction creates a transaction invoking `renew` method of the contract.
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// This transaction is signed, but not sent to the network, instead it's
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// returned to the caller.
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func (c *Contract) Renew_2Transaction(name string, years *big.Int) (*transaction.Transaction, error) {
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return c.actor.MakeCall(Hash, "renew", name, years)
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}
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// Renew_2Unsigned creates a transaction invoking `renew` method of the contract.
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// This transaction is not signed, it's simply returned to the caller.
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// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
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// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
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func (c *Contract) Renew_2Unsigned(name string, years *big.Int) (*transaction.Transaction, error) {
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return c.actor.MakeUnsignedCall(Hash, "renew", nil, name, years)
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}
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// SetAdmin creates a transaction invoking `setAdmin` method of the contract.
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// This transaction is signed and immediately sent to the network.
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// The values returned are its hash, ValidUntilBlock value and error if any.
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func (c *Contract) SetAdmin(name string, admin util.Uint160) (util.Uint256, uint32, error) {
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return c.actor.SendCall(Hash, "setAdmin", name, admin)
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}
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// SetAdminTransaction creates a transaction invoking `setAdmin` method of the contract.
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// This transaction is signed, but not sent to the network, instead it's
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// returned to the caller.
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func (c *Contract) SetAdminTransaction(name string, admin util.Uint160) (*transaction.Transaction, error) {
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return c.actor.MakeCall(Hash, "setAdmin", name, admin)
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}
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// SetAdminUnsigned creates a transaction invoking `setAdmin` method of the contract.
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// This transaction is not signed, it's simply returned to the caller.
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// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
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// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
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func (c *Contract) SetAdminUnsigned(name string, admin util.Uint160) (*transaction.Transaction, error) {
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return c.actor.MakeUnsignedCall(Hash, "setAdmin", nil, name, admin)
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}
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// SetRecord creates a transaction invoking `setRecord` method of the contract.
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// This transaction is signed and immediately sent to the network.
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// The values returned are its hash, ValidUntilBlock value and error if any.
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func (c *Contract) SetRecord(name string, typev *big.Int, data string) (util.Uint256, uint32, error) {
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return c.actor.SendCall(Hash, "setRecord", name, typev, data)
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}
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// SetRecordTransaction creates a transaction invoking `setRecord` method of the contract.
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// This transaction is signed, but not sent to the network, instead it's
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// returned to the caller.
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func (c *Contract) SetRecordTransaction(name string, typev *big.Int, data string) (*transaction.Transaction, error) {
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return c.actor.MakeCall(Hash, "setRecord", name, typev, data)
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}
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// SetRecordUnsigned creates a transaction invoking `setRecord` method of the contract.
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// This transaction is not signed, it's simply returned to the caller.
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// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
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// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
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func (c *Contract) SetRecordUnsigned(name string, typev *big.Int, data string) (*transaction.Transaction, error) {
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return c.actor.MakeUnsignedCall(Hash, "setRecord", nil, name, typev, data)
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}
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// DeleteRecord creates a transaction invoking `deleteRecord` method of the contract.
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// This transaction is signed and immediately sent to the network.
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// The values returned are its hash, ValidUntilBlock value and error if any.
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func (c *Contract) DeleteRecord(name string, typev *big.Int) (util.Uint256, uint32, error) {
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return c.actor.SendCall(Hash, "deleteRecord", name, typev)
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}
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// DeleteRecordTransaction creates a transaction invoking `deleteRecord` method of the contract.
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// This transaction is signed, but not sent to the network, instead it's
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// returned to the caller.
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func (c *Contract) DeleteRecordTransaction(name string, typev *big.Int) (*transaction.Transaction, error) {
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return c.actor.MakeCall(Hash, "deleteRecord", name, typev)
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}
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// DeleteRecordUnsigned creates a transaction invoking `deleteRecord` method of the contract.
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// This transaction is not signed, it's simply returned to the caller.
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// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
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// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
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func (c *Contract) DeleteRecordUnsigned(name string, typev *big.Int) (*transaction.Transaction, error) {
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return c.actor.MakeUnsignedCall(Hash, "deleteRecord", nil, name, typev)
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}
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