forked from TrueCloudLab/frostfs-node
61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
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package wrapper
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import (
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"github.com/nspcc-dev/neofs-node/pkg/core/netmap"
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contract "github.com/nspcc-dev/neofs-node/pkg/morph/client/netmap"
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"github.com/pkg/errors"
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)
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// NetMap represents the NeoFS network map.
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//
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// It is a type alias of
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// github.com/nspcc-dev/neofs-node/pkg/core/NetMap.
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type NetMap = netmap.NetMap
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// Info represents node information.
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//
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// It is a type alias of
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// github.com/nspcc-dev/neofs-node/pkg/core/netmap.Info.
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type Info = netmap.Info
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// GetNetMap receives information list about storage nodes
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// through the Netmap contract call, composes network map
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// from them and returns it.
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func (w *Wrapper) GetNetMap() (*NetMap, error) {
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// prepare invocation arguments
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args := contract.GetNetMapArgs{}
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// invoke smart contract call
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values, err := w.client.NetMap(args)
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if err != nil {
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return nil, errors.Wrap(err, "could not invoke smart contract")
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}
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// parse response and fill the network map
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nm := netmap.New()
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peerList := values.Peers()
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for i := range peerList {
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info := Info{}
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info.SetPublicKey(peerList[i].PublicKey())
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info.SetAddress(string(peerList[i].Address()))
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binOpts := peerList[i].Options()
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opts := make([]string, 0, len(binOpts))
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for j := range binOpts {
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opts = append(opts, string(binOpts[j]))
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}
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info.SetOptions(opts)
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if err := nm.AddNode(info); err != nil {
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return nil, errors.Wrapf(err, "could not add node #%d to network map", i)
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}
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}
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return nm, nil
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}
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