120 lines
3 KiB
Go
120 lines
3 KiB
Go
package container
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import (
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"errors"
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"fmt"
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"github.com/TrueCloudLab/frostfs-node/pkg/morph/client"
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"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
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"github.com/nspcc-dev/neo-go/pkg/util"
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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 Container 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 Container contract client
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}
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const (
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putMethod = "put"
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deleteMethod = "delete"
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getMethod = "get"
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listMethod = "list"
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eaclMethod = "eACL"
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setEACLMethod = "setEACL"
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startEstimationMethod = "startContainerEstimation"
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stopEstimationMethod = "stopContainerEstimation"
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putSizeMethod = "putContainerSize"
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listSizesMethod = "listContainerSizes"
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getSizeMethod = "getContainerSize"
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// putNamedMethod is method name for container put with an alias. It is exported to provide custom fee.
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putNamedMethod = "putNamed"
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)
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var (
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errNilArgument = errors.New("empty argument")
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)
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// NewFromMorph returns the wrapper instance from the raw morph client.
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//
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// Specified fee is used for all operations by default. If WithCustomFeeForNamedPut is provided,
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// the customized fee is used for Put operations with named containers.
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func NewFromMorph(cli *client.Client, contract util.Uint160, fee fixedn.Fixed8, opts ...Option) (*Client, error) {
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o := defaultOpts()
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for i := range opts {
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opts[i](o)
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}
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if o.feePutNamedSet {
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o.staticOpts = append(o.staticOpts, client.WithCustomFee(putNamedMethod, o.feePutNamed))
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}
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sc, err := client.NewStatic(cli, contract, fee, o.staticOpts...)
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if err != nil {
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return nil, fmt.Errorf("can't create container static client: %w", err)
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}
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return &Client{client: sc}, nil
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}
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// Morph returns raw morph client.
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func (c Client) Morph() *client.Client {
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return c.client.Morph()
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}
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// ContractAddress returns the address of the associated contract.
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func (c Client) ContractAddress() util.Uint160 {
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return c.client.ContractAddress()
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}
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// Option allows to set an optional
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// parameter of Wrapper.
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type Option func(*opts)
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type opts struct {
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feePutNamedSet bool
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feePutNamed fixedn.Fixed8
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staticOpts []client.StaticClientOption
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}
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func defaultOpts() *opts {
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return new(opts)
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}
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// TryNotary returns option to enable
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// notary invocation tries.
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func TryNotary() Option {
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return func(o *opts) {
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o.staticOpts = append(o.staticOpts, client.TryNotary())
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}
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}
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// AsAlphabet returns option to sign main TX
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// of notary requests with client's private
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// key.
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//
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// Considered to be used by IR nodes only.
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func AsAlphabet() Option {
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return func(o *opts) {
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o.staticOpts = append(o.staticOpts, client.AsAlphabet())
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}
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}
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// WithCustomFeeForNamedPut returns option to specify custom fee for each Put operation with named container.
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func WithCustomFeeForNamedPut(fee fixedn.Fixed8) Option {
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return func(o *opts) {
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o.feePutNamed = fee
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o.feePutNamedSet = true
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}
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}
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