Documentation ¶
Index ¶
- Constants
- Variables
- func ArrayFromStackItem(param stackitem.Item) ([]stackitem.Item, error)
- func BigIntFromStackItem(param stackitem.Item) (*big.Int, error)
- func BoolFromStackItem(param stackitem.Item) (bool, error)
- func BytesFromStackItem(param stackitem.Item) ([]byte, error)
- func CalculateNotaryDepositAmount(c *Client, gasMul, gasDiv int64) (fixedn.Fixed8, error)
- func GetUniversalSignerScope(nnsHash, balanceHash, cntHash, netmapHash, neofsIDHash util.Uint160) *transaction.Signer
- func IntFromStackItem(param stackitem.Item) (int64, error)
- func NNSAlphabetContractName(index int) string
- func StringFromStackItem(param stackitem.Item) (string, error)
- type AlphabetKeys
- type Callback
- type Client
- func (c *Client) AccountVote(addr util.Uint160) (*keys.PublicKey, error)
- func (c *Client) BlockCount() (res uint32, err error)
- func (c *Client) CalculateNetworkFee(tx *transaction.Transaction) (int64, error)
- func (c *Client) CalculateNonceAndVUB(hash util.Uint256) (nonce uint32, vub uint32, err error)
- func (c *Client) Call(contract util.Uint160, method string, args ...any) (*result.Invoke, error)
- func (c *Client) CallAndExpandIterator(contract util.Uint160, method string, maxItems int, args ...any) (*result.Invoke, error)
- func (c *Client) Close()
- func (c *Client) Committee() (res keys.PublicKeys, err error)
- func (c *Client) DepositEndlessNotary(amount fixedn.Fixed8) error
- func (c *Client) DepositNotary(amount fixedn.Fixed8, delta uint32) error
- func (c *Client) EnableNotarySupport(opts ...NotaryOption) error
- func (c *Client) GasBalance() (res int64, err error)
- func (c *Client) GetBlockCount() (uint32, error)
- func (c *Client) GetCommittee() (keys.PublicKeys, error)
- func (c *Client) GetContractStateByHash(addr util.Uint160) (*state.Contract, error)
- func (c *Client) GetContractStateByID(id int32) (*state.Contract, error)
- func (c *Client) GetDesignateHash() util.Uint160
- func (c *Client) GetNotaryDeposit() (res int64, err error)
- func (c *Client) GetVersion() (*result.Version, error)
- func (c *Client) InitFSChainScope() error
- func (c *Client) Invoke(contract util.Uint160, fee fixedn.Fixed8, method string, args ...any) error
- func (c *Client) InvokeContractVerify(contract util.Uint160, params []smartcontract.Parameter, ...) (*result.Invoke, error)
- func (c *Client) InvokeFunction(contract util.Uint160, operation string, params []smartcontract.Parameter, ...) (*result.Invoke, error)
- func (c *Client) InvokeScript(script []byte, signers []transaction.Signer) (*result.Invoke, error)
- func (c *Client) IsNotaryEnabled() bool
- func (c *Client) IsValidScript(script []byte, signers []transaction.Signer) (bool, error)
- func (c *Client) MagicNumber() (uint32, error)
- func (c *Client) MsPerBlock() (res int64, err error)
- func (c *Client) NNSContractAddress(name string) (sh util.Uint160, err error)
- func (c *Client) NNSHash() (util.Uint160, error)
- func (c *Client) NeoFSAlphabetList() (res keys.PublicKeys, err error)
- func (c *Client) NotaryInvoke(contract util.Uint160, fee fixedn.Fixed8, nonce uint32, vub *uint32, ...) error
- func (c *Client) NotaryInvokeNotAlpha(contract util.Uint160, fee fixedn.Fixed8, method string, args ...any) error
- func (c *Client) NotarySignAndInvokeTX(mainTx *transaction.Transaction) error
- func (c *Client) Notifications() (<-chan *state.ContainedNotificationEvent, <-chan *block.Block, ...)
- func (c *Client) ProbeNotary() (res bool)
- func (c *Client) ReceiveAllNotaryRequests() error
- func (c *Client) ReceiveBlocks() error
- func (c *Client) ReceiveExecutionNotifications(contracts []util.Uint160) error
- func (c *Client) ReceiveNotaryRequests(txSigner util.Uint160) error
- func (c *Client) Reload(opts ...Option)
- func (c *Client) SendRawTransaction(tx *transaction.Transaction) (util.Uint256, error)
- func (c *Client) SubmitP2PNotaryRequest(req *payload.P2PNotaryRequest) (util.Uint256, error)
- func (c *Client) TerminateSession(sessionID uuid.UUID) (bool, error)
- func (c *Client) TestInvoke(contract util.Uint160, method string, args ...any) ([]stackitem.Item, error)
- func (c *Client) TestInvokeIterator(contract util.Uint160, method string, prefetchElements int, args ...any) (res []stackitem.Item, err error)
- func (c *Client) TransferGas(receiver util.Uint160, amount fixedn.Fixed8) error
- func (c *Client) TraverseIterator(sessionID, iteratorID uuid.UUID, maxItemsCount int) ([]stackitem.Item, error)
- func (c *Client) TxHalt(h util.Uint256) (res bool, err error)
- func (c *Client) TxHeight(h util.Uint256) (res uint32, err error)
- func (c *Client) UnsubscribeAll() error
- func (c *Client) UpdateNeoFSAlphabetList(alphas keys.PublicKeys, txHash util.Uint256) error
- func (c *Client) UpdateNotaryList(notaries keys.PublicKeys, txHash util.Uint256) error
- type InvokePrm
- type InvokePrmOptional
- type NotaryOption
- type Option
- func WithAutoFSChainScope() Option
- func WithConnSwitchCallback(cb Callback) Option
- func WithContext(ctx context.Context) Option
- func WithDialTimeout(dur time.Duration) Option
- func WithEndpoints(endpoints []string) Option
- func WithLogger(logger *zap.Logger) Option
- func WithMinRequiredBlockHeight(h uint32) Option
- func WithReconnectionRetries(r int) Option
- func WithReconnectionsDelay(d time.Duration) Option
- func WithSingleClient(cli *rpcclient.WSClient) Option
- type StaticClient
- func (s StaticClient) ContractAddress() util.Uint160
- func (s StaticClient) Invoke(prm InvokePrm) error
- func (s *StaticClient) IsAlpha() bool
- func (s StaticClient) Morph() *Client
- func (s StaticClient) TestInvoke(prm TestInvokePrm) ([]stackitem.Item, error)
- func (s StaticClient) TestInvokeIterator(method string, prefetchElementsNumber int, args ...any) ([]stackitem.Item, error)
- type StaticClientOption
- type TestInvokePrm
Constants ¶
const ( // NNSAuditContractName is a name of the audit contract in NNS. NNSAuditContractName = nns.NameAudit // NNSBalanceContractName is a name of the balance contract in NNS. NNSBalanceContractName = nns.NameBalance // NNSContainerContractName is a name of the container contract in NNS. NNSContainerContractName = nns.NameContainer // NNSNeoFSIDContractName is a name of the neofsid contract in NNS. NNSNeoFSIDContractName = nns.NameNeoFSID // NNSNetmapContractName is a name of the netmap contract in NNS. NNSNetmapContractName = nns.NameNetmap // NNSProxyContractName is a name of the proxy contract in NNS. NNSProxyContractName = nns.NameProxy // NNSReputationContractName is a name of the reputation contract in NNS. NNSReputationContractName = nns.NameReputation )
const HaltState = "HALT"
HaltState returned if TestInvoke function processed without panic.
Variables ¶
var ( // ErrNilClient is returned by functions that expect // a non-nil Client pointer, but received nil. ErrNilClient = errors.New("client is nil") // ErrConnectionLost is returned when client lost web socket connection // to the RPC node and has not been able to establish a new one since. ErrConnectionLost = errors.New("connection to the RPC node has been lost") )
var ( // ErrNNSRecordNotFound means that there is no such record in NNS contract. ErrNNSRecordNotFound = errors.New("record has not been found in NNS contract") )
var ErrStaleNodes = errors.New("RPC nodes are not yet up to date")
ErrStaleNodes is returned from New when minimal required height requirement specified in WithMinRequiredBlockHeight is not satisfied by the given nodes.
Functions ¶
func ArrayFromStackItem ¶ added in v0.12.0
ArrayFromStackItem returns the slice contract parameters from passed parameter.
If passed parameter carries boolean false value, (nil, nil) returns.
func BigIntFromStackItem ¶ added in v0.12.0
BigIntFromStackItem receives numerical value from the value of a smart contract parameter.
func BoolFromStackItem ¶ added in v0.12.0
BoolFromStackItem receives boolean value from the value of a smart contract parameter.
func BytesFromStackItem ¶ added in v0.12.0
BytesFromStackItem receives binary value from the value of a smart contract parameter.
func CalculateNotaryDepositAmount ¶ added in v0.26.0
CalculateNotaryDepositAmount calculates notary deposit amount using the rule:
IF notaryBalance < gasBalance * gasMul { DEPOSIT gasBalance / gasDiv } ELSE { DEPOSIT 1 }
gasMul and gasDiv must be positive.
func GetUniversalSignerScope ¶ added in v0.39.0
func GetUniversalSignerScope(nnsHash, balanceHash, cntHash, netmapHash, neofsIDHash util.Uint160) *transaction.Signer
GetUniversalSignerScope returns a universal (applicable for any valid NeoFS contract call) scope that should be used by IR and SNs. It contains a set of Rules for contracts calling each other and a regular CalledByEntry permission.
func IntFromStackItem ¶ added in v0.12.0
IntFromStackItem receives numerical value from the value of a smart contract parameter.
func NNSAlphabetContractName ¶ added in v0.25.0
NNSAlphabetContractName returns contract name of the alphabet contract in NNS based on alphabet index.
Types ¶
type AlphabetKeys ¶ added in v0.19.0
type AlphabetKeys func() (keys.PublicKeys, error)
type Callback ¶ added in v0.28.0
type Callback func()
Callback is a function that is going to be called on certain Client's state.
type Client ¶
type Client struct {
// contains filtered or unexported fields
}
Client is a wrapper over web socket neo-go client that provides smart-contract invocation interface and notification subscription functionality.
On connection loss tries establishing new connection to the next RPC (if any). While doing that any RPC call leads to immediate return with ErrConnectionLost error.
Working client must be created via constructor New. Using the Client that has been created with new(Client) expression (or just declaring a Client variable) is unsafe and can lead to panic.
func New ¶
func New(key *keys.PrivateKey, opts ...Option) (*Client, error)
New creates, initializes and returns the Client instance. Notary support should be enabled with EnableNotarySupport client method separately.
If private key is nil, it panics.
Other values are set according to provided options, or by default:
- client context: Background;
- dial timeout: 5s;
- blockchain network type: netmode.PrivNet;
- signer with the CalledByEntry scope;
- wait interval: 500ms;
- logger: &zap.Logger{Logger: zap.L()}.
If desired option satisfies the default value, it can be omitted. If multiple options of the same config value are supplied, the option with the highest index in the arguments will be used.
func (*Client) AccountVote ¶ added in v0.38.0
AccountVote returns a key the provided account has voted with its NEO tokens for. Nil key with no error is returned if the account has no NEO or if the account hasn't voted for anyone.
func (*Client) BlockCount ¶ added in v0.23.0
BlockCount returns block count of the network to which the underlying RPC node client is connected.
func (*Client) CalculateNetworkFee ¶ added in v0.39.0
func (c *Client) CalculateNetworkFee(tx *transaction.Transaction) (int64, error)
CalculateNetworkFee calculates consensus nodes' fee for given transaction in the blockchain the Client connected to.
func (*Client) CalculateNonceAndVUB ¶ added in v0.27.0
CalculateNonceAndVUB calculates nonce and ValidUntilBlock values based on transaction hash.
func (*Client) Call ¶ added in v0.39.0
Call calls specified method of the Neo smart contract with provided arguments.
func (*Client) CallAndExpandIterator ¶ added in v0.39.0
func (c *Client) CallAndExpandIterator(contract util.Uint160, method string, maxItems int, args ...any) (*result.Invoke, error)
CallAndExpandIterator calls specified iterating method of the Neo smart contract with provided arguments, and fetches iterator from the response carrying up to limited number of items.
func (*Client) Close ¶ added in v0.28.0
func (c *Client) Close()
Close closes connection to the remote side making this client instance unusable. Closes notification channel returned from Client.Notifications(), Removes all subscription.
func (*Client) Committee ¶ added in v0.18.0
func (c *Client) Committee() (res keys.PublicKeys, err error)
Committee returns keys of chain committee from neo native contract.
func (*Client) DepositEndlessNotary ¶ added in v0.36.0
DepositEndlessNotary calls notary deposit method. Unlike `DepositNotary`, this method sets notary deposit till parameter to a maximum possible value. This allows to avoid ValidAfterDeposit failures. Blocks until transaction is persisted.
This function must be invoked with notary enabled otherwise it throws panic.
func (*Client) DepositNotary ¶ added in v0.17.0
DepositNotary calls notary deposit method. Deposit is required to operate with notary contract. It used by notary contract in to produce fallback tx if main tx failed to create. Deposit isn't last forever, so it should be called periodically. Notary support should be enabled in client to use this function. Blocks until transaction is persisted.
This function must be invoked with notary enabled otherwise it throws panic.
func (*Client) EnableNotarySupport ¶ added in v0.17.0
func (c *Client) EnableNotarySupport(opts ...NotaryOption) error
EnableNotarySupport creates notary structure in client that provides ability for client to get alphabet keys from committee or provided source and use proxy contract script hash to create tx for notary contract.
func (*Client) GasBalance ¶ added in v0.17.0
GasBalance returns GAS amount in the client's wallet.
func (*Client) GetBlockCount ¶ added in v0.39.0
GetBlockCount returns current height of the Neo blockchain the Client connected to.
func (*Client) GetCommittee ¶ added in v0.39.0
func (c *Client) GetCommittee() (keys.PublicKeys, error)
GetCommittee returns current public keys of the committee of the Neo blockchain the Client connected to.
func (*Client) GetContractStateByHash ¶ added in v0.39.0
GetContractStateByHash returns current state of the addressed Neo smart contract deployed in the blockchain the Client connected to. Returns neorpc.ErrUnknownContract if requested contract is missing.
func (*Client) GetContractStateByID ¶ added in v0.39.0
GetContractStateByID returns current state of the identified Neo smart contract deployed in the blockchain the Client connected to. Returns neorpc.ErrUnknownContract if requested contract is missing.
func (*Client) GetDesignateHash ¶ added in v0.21.0
GetDesignateHash returns hash of the native `RoleManagement` contract.
func (*Client) GetNotaryDeposit ¶ added in v0.17.0
GetNotaryDeposit returns deposit of client's account in notary contract. Notary support should be enabled in client to use this function.
This function must be invoked with notary enabled otherwise it throws panic.
func (*Client) GetVersion ¶ added in v0.39.0
GetVersion returns local settings of the currently active Neo RPC node the Client connected to.
func (*Client) InitFSChainScope ¶ added in v0.44.0
InitFSChainScope allows to replace WithAutoFSChainScope option and postpone FS chain scope initialization when NNS contract is not yet ready while Client is already needed.
func (*Client) Invoke ¶
Invoke invokes contract method by sending transaction into blockchain. Supported args types: int64, string, util.Uint160, []byte and bool.
func (*Client) InvokeContractVerify ¶ added in v0.39.0
func (c *Client) InvokeContractVerify(contract util.Uint160, params []smartcontract.Parameter, signers []transaction.Signer, witnesses ...transaction.Witness) (*result.Invoke, error)
InvokeContractVerify calls 'verify' method of the referenced Neo smart contract deployed in the blockchain the Client connected to and returns the call result.
func (*Client) InvokeFunction ¶ added in v0.39.0
func (c *Client) InvokeFunction(contract util.Uint160, operation string, params []smartcontract.Parameter, signers []transaction.Signer) (*result.Invoke, error)
InvokeFunction calls specified method of the referenced Neo smart contract deployed in the blockchain the Client connected to and returns the call result.
func (*Client) InvokeScript ¶ added in v0.39.0
InvokeScript tests given script on the Neo blockchain the Client connected to and returns the script result.
func (*Client) IsNotaryEnabled ¶ added in v0.32.0
IsNotaryEnabled returns true if EnableNotarySupport has been successfully called before.
func (*Client) IsValidScript ¶ added in v0.27.0
IsValidScript returns true if invocation script executes with HALT state.
func (*Client) MagicNumber ¶ added in v0.16.0
MagicNumber returns the magic number of the network to which the underlying RPC node client is connected.
func (*Client) MsPerBlock ¶ added in v0.26.0
MsPerBlock returns MillisecondsPerBlock network parameter.
func (*Client) NNSContractAddress ¶ added in v0.25.0
NNSContractAddress returns contract address script hash based on its name in NNS contract. If script hash has not been found, returns ErrNNSRecordNotFound.
func (*Client) NeoFSAlphabetList ¶ added in v0.18.0
func (c *Client) NeoFSAlphabetList() (res keys.PublicKeys, err error)
NeoFSAlphabetList returns keys that stored in NeoFS Alphabet role. Main chain stores alphabet node keys of inner ring there, however FS chain stores both alphabet and non alphabet node keys of inner ring.
func (*Client) NotaryInvoke ¶ added in v0.17.0
func (c *Client) NotaryInvoke(contract util.Uint160, fee fixedn.Fixed8, nonce uint32, vub *uint32, method string, args ...any) error
NotaryInvoke invokes contract method by sending tx to notary contract in blockchain. Fallback tx is a `RET`. If Notary support is not enabled it fallbacks to a simple `Invoke()`.
`nonce` and `vub` are used only if notary is enabled.
func (*Client) NotaryInvokeNotAlpha ¶ added in v0.25.0
func (c *Client) NotaryInvokeNotAlpha(contract util.Uint160, fee fixedn.Fixed8, method string, args ...any) error
NotaryInvokeNotAlpha does the same as NotaryInvoke but does not use client's private key in Invocation script. It means that main TX of notary request is not expected to be signed by the current node.
Considered to be used by non-IR nodes.
func (*Client) NotarySignAndInvokeTX ¶ added in v0.25.0
func (c *Client) NotarySignAndInvokeTX(mainTx *transaction.Transaction) error
NotarySignAndInvokeTX signs and sends notary request that was received from Notary service. NOTE: does not fallback to simple `Invoke()`. Expected to be used only for TXs retrieved from the received notary requests.
func (*Client) Notifications ¶ added in v0.39.0
func (c *Client) Notifications() (<-chan *state.ContainedNotificationEvent, <-chan *block.Block, <-chan *result.NotaryRequestEvent)
Notifications returns channels than receive subscribed notification from the connected RPC node. Channels are closed when connections to the RPC nodes are lost.
func (*Client) ProbeNotary ¶ added in v0.23.0
ProbeNotary checks if native `Notary` contract is presented on chain.
func (*Client) ReceiveAllNotaryRequests ¶ added in v0.39.0
ReceiveAllNotaryRequests subscribes to all mempoolevent.TransactionAdded notary pool events coming from the Neo blockchain the Client is connected to. Events are sent to the channel returned from Client.Notifications.
See also Client.ReceiveNotaryRequests.
func (*Client) ReceiveBlocks ¶ added in v0.36.1
ReceiveBlocks performs subscription for new block events. Events are sent to a returned channel. The channel is closed when connection to RPC nodes is lost.
Returns ErrConnectionLost if client has not been able to establish connection to any of passed RPC endpoints.
func (*Client) ReceiveExecutionNotifications ¶ added in v0.36.1
ReceiveExecutionNotifications performs subscription for notifications generated during contract execution. Notification channel may be acquired with [Notifications] method. The channel is closed when connection to RPC nodes is lost.
Returns ErrConnectionLost if client has not been able to establish connection to any of passed RPC endpoints.
func (*Client) ReceiveNotaryRequests ¶ added in v0.36.1
ReceiveNotaryRequests performs subscription for notary request payloads addition or removal events to this instance of client. Passed txSigner expands the flow of notary requests to those whose main transaction signers include the specified account. Events are sent to a returned channel. The channel is closed when connection to RPC nodes is lost.
Returns ErrConnectionLost if client has not been able to establish connection to any of passed RPC endpoints.
See also Client.ReceiveAllNotaryRequests.
func (*Client) Reload ¶ added in v0.44.0
Reload allows runtime reconfiguration for WithEndpoints parameter.
func (*Client) SendRawTransaction ¶ added in v0.39.0
func (c *Client) SendRawTransaction(tx *transaction.Transaction) (util.Uint256, error)
SendRawTransaction sends specified transaction to the Neo blockchain the Client connected to and returns the transaction hash.
func (*Client) SubmitP2PNotaryRequest ¶ added in v0.39.0
SubmitP2PNotaryRequest submits given Notary service request to the Neo blockchain the Client connected to and returns the fallback transaction's hash.
func (*Client) TerminateSession ¶ added in v0.39.0
TerminateSession closes opened session by its ID on the currently active Neo RPC node the Client connected to. Returns true even if session was not found.
func (*Client) TestInvoke ¶
func (c *Client) TestInvoke(contract util.Uint160, method string, args ...any) ([]stackitem.Item, error)
TestInvoke invokes contract method locally in neo-go node. This method should be used to read data from smart-contract.
func (*Client) TestInvokeIterator ¶ added in v0.38.0
func (c *Client) TestInvokeIterator(contract util.Uint160, method string, prefetchElements int, args ...any) (res []stackitem.Item, err error)
TestInvokeIterator is the same Client.TestInvoke but expands an iterator placed on the stack. Returned values are the values an iterator provides. If prefetchElements > 0, that many elements are tried to be placed on stack without additional network communication (without the iterator expansion).
func (*Client) TransferGas ¶
TransferGas to the receiver from local wallet.
func (*Client) TraverseIterator ¶ added in v0.39.0
func (c *Client) TraverseIterator(sessionID, iteratorID uuid.UUID, maxItemsCount int) ([]stackitem.Item, error)
TraverseIterator returns at most maxItemsCount next values from the referenced iterator opened within specified session with the currently active Neo RPC node the Client connected to. Returns empty result if either there is no more elements or session is closed.
func (*Client) TxHalt ¶ added in v0.19.0
TxHalt returns true if transaction has been successfully executed and persisted.
func (*Client) TxHeight ¶ added in v0.28.0
TxHeight returns true if transaction has been successfully executed and persisted.
func (*Client) UnsubscribeAll ¶ added in v0.28.0
UnsubscribeAll removes all active subscriptions of current client.
Returns ErrConnectionLost if client has not been able to establish connection to any of passed RPC endpoints.
func (*Client) UpdateNeoFSAlphabetList ¶ added in v0.18.0
UpdateNeoFSAlphabetList updates list of alphabet nodes in designate contract. As for FS chain list should contain all inner ring nodes. Requires committee multi signature.
This function must be invoked with notary enabled otherwise it throws panic.
func (*Client) UpdateNotaryList ¶ added in v0.18.0
UpdateNotaryList updates list of notary nodes in designate contract. Requires committee multi signature.
This function must be invoked with notary enabled otherwise it throws panic.
type InvokePrm ¶ added in v0.27.0
type InvokePrm struct { TestInvokePrm // optional parameters InvokePrmOptional }
InvokePrm groups parameters of the Invoke operation.
type InvokePrmOptional ¶ added in v0.27.0
type InvokePrmOptional struct {
// contains filtered or unexported fields
}
InvokePrmOptional groups optional parameters of the Invoke operation.
func (*InvokePrmOptional) RequireAlphabetSignature ¶ added in v0.41.1
func (i *InvokePrmOptional) RequireAlphabetSignature()
RequireAlphabetSignature makes client send notary request instead of a regular signed transaction. Such a request should be received and signed by the Alphabet, otherwise the plug (empty) transaction will be added to the chain.
func (*InvokePrmOptional) SetHash ¶ added in v0.27.0
func (i *InvokePrmOptional) SetHash(hash util.Uint256)
SetHash sets optional hash of the transaction. If hash is set and notary is enabled, StaticClient uses it for notary nonce and `validUntilBlock` calculation.
type NotaryOption ¶ added in v0.17.0
type NotaryOption func(*notaryCfg)
func WithAlphabetSource ¶ added in v0.19.0
func WithAlphabetSource(t AlphabetKeys) NotaryOption
WithAlphabetSource returns a notary support option for client that specifies function to return list of alphabet node keys. By default notary subsystem uses committee as a source. This is valid for FS chain but notary in main chain should override it.
func WithProxyContract ¶ added in v0.22.0
func WithProxyContract(h util.Uint160) NotaryOption
WithProxyContract sets proxy contract hash.
func WithRoundTime ¶ added in v0.17.0
func WithRoundTime(t uint32) NotaryOption
WithRoundTime returns a notary support option for client that specifies extra blocks to synchronize FS chain height diff of inner ring nodes.
func WithTxValidTime ¶ added in v0.17.0
func WithTxValidTime(t uint32) NotaryOption
WithTxValidTime returns a notary support option for client that specifies minimum amount of blocks when mainTx will be valid.
type Option ¶
type Option func(*cfg)
Option is a client configuration change function.
func WithAutoFSChainScope ¶ added in v0.44.0
func WithAutoFSChainScope() Option
WithAutoFSChainScope returns a client constructor option that sets automatic transaction scope detection to true which overrides the default CalledByEntry to a set of Rules made specifically for FS chain.
func WithConnSwitchCallback ¶ added in v0.38.0
WithConnSwitchCallback returns a client constructor option that specifies a callback that is called when the Client reconnected to a new RPC (from WithEndpoints list) successfully.
func WithContext ¶
WithContext returns a client constructor option that specifies the neo-go client context.
Ignores nil value. Has no effect if WithSingleClient is provided.
If option not provided, context.Background() is used.
func WithDialTimeout ¶
WithDialTimeout returns a client constructor option that specifies neo-go client dial timeout duration.
Ignores non-positive value. Has no effect if WithSingleClient is provided.
If option not provided, 5s timeout is used.
func WithEndpoints ¶ added in v0.30.0
WithEndpoints returns a client constructor option that specifies Neo rpc endpoints.
Has no effect if WithSingleClient is provided.
func WithLogger ¶
WithLogger returns a client constructor option that specifies the component for writing log messages.
Ignores nil value.
If option not provided, &zap.Logger{Logger: zap.L()} is used.
func WithMinRequiredBlockHeight ¶ added in v0.39.0
WithMinRequiredBlockHeight returns a client constructor option that specifies a minimal chain height that is considered as acceptable. New returns ErrStaleNodes if the height could not been reached.
func WithReconnectionRetries ¶ added in v0.37.0
WithReconnectionRetries returns a client constructor option that specifies number of reconnection attempts (through the full list provided via WithEndpoints) before RPC connection is considered lost. Non-positive values make no retries.
func WithReconnectionsDelay ¶ added in v0.37.0
WithReconnectionsDelay returns a client constructor option that specifies delays b/w reconnections.
func WithSingleClient ¶ added in v0.25.0
WithSingleClient returns a client constructor option that specifies single neo-go client and forces Client to use it for requests.
Passed client must already be initialized.
type StaticClient ¶
type StaticClient struct {
// contains filtered or unexported fields
}
StaticClient is a wrapper over Neo:Morph client that invokes single smart contract methods with fixed fee.
Working static client must be created via constructor NewStatic. Using the StaticClient that has been created with new(StaticClient) expression (or just declaring a StaticClient variable) is unsafe and can lead to panic.
func NewStatic ¶
func NewStatic(client *Client, scriptHash util.Uint160, fee fixedn.Fixed8, opts ...StaticClientOption) (*StaticClient, error)
NewStatic creates, initializes and returns the StaticClient instance.
If provided Client instance is nil, ErrNilClient is returned.
Specified fee is used by default. Per-operation fees can be customized via WithCustomFee option.
func (StaticClient) ContractAddress ¶ added in v0.26.0
func (s StaticClient) ContractAddress() util.Uint160
ContractAddress returns the address of the associated contract.
func (StaticClient) Invoke ¶
func (s StaticClient) Invoke(prm InvokePrm) error
Invoke calls Invoke method of Client with static internal script hash and fee. Supported args types are the same as in Client.
If TryNotary is provided:
- if AsAlphabet is provided, calls NotaryInvoke;
- otherwise, calls NotaryInvokeNotAlpha.
If fee for the operation executed using specified method is customized, then StaticClient uses it. Otherwise, default fee is used.
func (*StaticClient) IsAlpha ¶ added in v0.28.2
func (s *StaticClient) IsAlpha() bool
IsAlpha returns Alphabet status of the client.
See also AsAlphabet.
func (StaticClient) Morph ¶ added in v0.25.0
func (s StaticClient) Morph() *Client
Morph return wrapped raw morph client.
func (StaticClient) TestInvoke ¶
func (s StaticClient) TestInvoke(prm TestInvokePrm) ([]stackitem.Item, error)
TestInvoke calls TestInvoke method of Client with static internal script hash.
func (StaticClient) TestInvokeIterator ¶ added in v0.38.0
func (s StaticClient) TestInvokeIterator(method string, prefetchElementsNumber int, args ...any) ([]stackitem.Item, error)
TestInvokeIterator calls TestInvokeIterator method of Client with static internal script hash.
type StaticClientOption ¶ added in v0.21.0
type StaticClientOption func(*staticOpts)
StaticClientOption allows to set an optional parameter of StaticClient.
func AsAlphabet ¶ added in v0.25.0
func AsAlphabet() StaticClientOption
AsAlphabet returns option to sign main TX of notary requests with client's private key.
Considered to be used by IR nodes only.
func TryNotary ¶ added in v0.21.0
func TryNotary() StaticClientOption
TryNotary returns option to enable notary invocation tries.
func WithCustomFee ¶ added in v0.27.0
func WithCustomFee(method string, fee fixedn.Fixed8) StaticClientOption
WithCustomFee returns option to specify custom fee for the operation executed using specified contract method.
type TestInvokePrm ¶ added in v0.27.0
type TestInvokePrm struct {
// contains filtered or unexported fields
}
TestInvokePrm groups parameters of the TestInvoke operation.
func (*TestInvokePrm) SetArgs ¶ added in v0.27.0
func (ti *TestInvokePrm) SetArgs(args ...any)
SetArgs sets arguments of the contact call.
func (*TestInvokePrm) SetMethod ¶ added in v0.27.0
func (ti *TestInvokePrm) SetMethod(method string)
SetMethod sets method of the contract to call.