forked from TrueCloudLab/frostfs-node
100 lines
2.6 KiB
Go
100 lines
2.6 KiB
Go
package reputation
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import (
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"fmt"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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"github.com/nspcc-dev/neofs-node/pkg/morph/client"
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)
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// GetArgs groups the arguments of "get reputation value" test invocation.
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type GetArgs struct {
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epoch uint64
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peerID []byte // object of reputation evaluation
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}
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// GetByIDArgs groups the arguments of "get reputation value by reputation id"
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// test invocation.
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type GetByIDArgs struct {
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id []byte // id of reputation value in reputation contract
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}
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// GetResult groups the stack parameters returned by
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// "get" and "get by id" test invocations.
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type GetResult struct {
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reputations [][]byte
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}
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// SetEpoch sets epoch of expected reputation value.
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func (g *GetArgs) SetEpoch(v uint64) {
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g.epoch = v
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}
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// SetPeerID sets peer id of expected reputation value.
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func (g *GetArgs) SetPeerID(v []byte) {
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g.peerID = v
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}
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// SetID sets id of expected reputation value in reputation contract.
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func (g *GetByIDArgs) SetID(v []byte) {
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g.id = v
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}
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// Reputations returns slice of marshalled reputation values.
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func (g GetResult) Reputations() [][]byte {
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return g.reputations
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}
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// Get invokes the call of "get reputation value" method of reputation contract.
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func (c *Client) Get(args GetArgs) (*GetResult, error) {
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prms, err := c.client.TestInvoke(
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c.getMethod,
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int64(args.epoch),
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args.peerID,
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)
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if err != nil {
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return nil, fmt.Errorf("could not perform test invocation (%s): %w", c.getMethod, err)
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}
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return parseReputations(prms, c.getMethod)
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}
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// GetByID invokes the call of "get reputation value by reputation id" method
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// of reputation contract.
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func (c *Client) GetByID(args GetByIDArgs) (*GetResult, error) {
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prms, err := c.client.TestInvoke(
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c.getByIDMethod,
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args.id,
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)
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if err != nil {
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return nil, fmt.Errorf("could not perform test invocation (%s): %w", c.getByIDMethod, err)
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}
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return parseReputations(prms, c.getByIDMethod)
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}
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func parseReputations(items []stackitem.Item, method string) (*GetResult, error) {
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if ln := len(items); ln != 1 {
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return nil, fmt.Errorf("unexpected stack item count (%s): %d", method, ln)
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}
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items, err := client.ArrayFromStackItem(items[0])
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if err != nil {
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return nil, fmt.Errorf("could not get stack item array from stack item (%s): %w", method, err)
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}
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res := &GetResult{
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reputations: make([][]byte, 0, len(items)),
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}
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for i := range items {
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rawReputation, err := client.BytesFromStackItem(items[i])
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if err != nil {
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return nil, fmt.Errorf("could not get byte array from stack item (%s): %w", method, err)
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}
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res.reputations = append(res.reputations, rawReputation)
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}
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return res, nil
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}
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