forked from TrueCloudLab/frostfs-node
108 lines
2.9 KiB
Go
108 lines
2.9 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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"github.com/nspcc-dev/neofs-sdk-go/reputation"
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)
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type (
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// GetPrm groups the arguments of "get reputation value" test invocation.
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GetPrm struct {
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epoch uint64
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peerID reputation.PeerID
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}
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// GetByIDPrm groups the arguments of "get reputation value by
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// reputation id" test invocation.
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GetByIDPrm struct {
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id ID
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}
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)
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// SetEpoch sets epoch of expected reputation value.
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func (g *GetPrm) 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 *GetPrm) SetPeerID(v reputation.PeerID) {
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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 *GetByIDPrm) SetID(v ID) {
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g.id = v
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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(p GetPrm) ([]reputation.GlobalTrust, error) {
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invokePrm := client.TestInvokePrm{}
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invokePrm.SetMethod(getMethod)
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invokePrm.SetArgs(p.epoch, p.peerID.PublicKey())
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res, err := c.client.TestInvoke(invokePrm)
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if err != nil {
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return nil, fmt.Errorf("could not perform test invocation (%s): %w", getMethod, err)
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}
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return parseReputations(res, 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(p GetByIDPrm) ([]reputation.GlobalTrust, error) {
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invokePrm := client.TestInvokePrm{}
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invokePrm.SetMethod(getByIDMethod)
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invokePrm.SetArgs([]byte(p.id))
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prms, err := c.client.TestInvoke(invokePrm)
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if err != nil {
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return nil, fmt.Errorf("could not perform test invocation (%s): %w", getByIDMethod, err)
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}
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return parseReputations(prms, getByIDMethod)
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}
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func parseGetResult(rawReputations [][]byte, method string) ([]reputation.GlobalTrust, error) {
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reputations := make([]reputation.GlobalTrust, 0, len(rawReputations))
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for i := range rawReputations {
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r := reputation.GlobalTrust{}
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err := r.Unmarshal(rawReputations[i])
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if err != nil {
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return nil, fmt.Errorf("can't unmarshal global trust value (%s): %w", method, err)
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}
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reputations = append(reputations, r)
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}
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return reputations, nil
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}
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func parseReputations(items []stackitem.Item, method string) ([]reputation.GlobalTrust, 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 := make([][]byte, 0, len(items))
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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 = append(res, rawReputation)
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}
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return parseGetResult(res, method)
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}
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