128 lines
3 KiB
Go
128 lines
3 KiB
Go
package reputation
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import (
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"github.com/nspcc-dev/neofs-node/pkg/morph/client"
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)
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// Client is a wrapper over StaticClient
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// which makes calls with the names and arguments
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// of the NeoFS reputation contract.
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//
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// Working client must be created via constructor New.
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// Using the Client that has been created with new(Client)
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// expression (or just declaring a Client variable) is unsafe
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// and can lead to panic.
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type Client struct {
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client *client.StaticClient // static reputation contract client
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*cfg // contract method names
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}
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// Option is a client configuration change function.
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type Option func(*cfg)
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type cfg struct {
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putMethod,
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getMethod,
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getByIDMethod,
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listByEpochMethod string
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}
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const (
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defaultPutMethod = "put"
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defaultGetMethod = "get"
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defaultGetByIDMethod = "getByID"
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defaultListByEpochMethod = "listByEpoch"
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)
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func defaultConfig() *cfg {
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return &cfg{
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putMethod: defaultPutMethod,
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getMethod: defaultGetMethod,
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getByIDMethod: defaultGetByIDMethod,
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listByEpochMethod: defaultListByEpochMethod,
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}
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}
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// New creates, initializes and returns the Client instance.
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//
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// If StaticClient is nil, client.ErrNilStaticClient is returned.
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//
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// Other values are set according to provided options, or by default.
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//
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// If desired option satisfies the default value, it can be omitted.
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// If multiple options of the same config value are supplied,
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// the option with the highest index in the arguments will be used.
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func New(c *client.StaticClient, opts ...Option) (*Client, error) {
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if c == nil {
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return nil, client.ErrNilStaticClient
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}
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res := &Client{
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client: c,
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cfg: defaultConfig(), // build default configuration
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}
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// apply options
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for _, opt := range opts {
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opt(res.cfg)
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}
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return res, nil
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}
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// WithPutMethod returns a client constructor option that
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// specifies the method name to put reputation value.
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//
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// Ignores empty value.
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//
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// If option not provided, "put" is used.
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func WithPutMethod(n string) Option {
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return func(c *cfg) {
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if n != "" {
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c.putMethod = n
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}
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}
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}
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// WithGetMethod returns a client constructor option that
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// specifies the method name to get reputation value.
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//
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// Ignores empty value.
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//
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// If option not provided, "get" is used.
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func WithGetMethod(n string) Option {
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return func(c *cfg) {
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if n != "" {
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c.getMethod = n
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}
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}
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}
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// WithGetByIDMethod returns a client constructor option that
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// specifies the method name to get reputation value by it's ID in the contract.
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//
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// Ignores empty value.
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//
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// If option not provided, "getByID" is used.
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func WithGetByIDMethod(n string) Option {
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return func(c *cfg) {
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if n != "" {
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c.getByIDMethod = n
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}
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}
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}
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// WithListByEpochMethod returns a client constructor option that
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// specifies the method name to list reputation value IDs for certain epoch.
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//
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// Ignores empty value.
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//
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// If option not provided, "listByEpoch" is used.
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func WithListByEpochDMethod(n string) Option {
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return func(c *cfg) {
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if n != "" {
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c.listByEpochMethod = n
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}
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}
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}
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