Add SetConfig to Daemon, though it will always error right now
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5e33eafb80
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@ -41,6 +41,12 @@ func (o *Opts) withDefaults() *Opts {
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var _ RPC = (*Daemon)(nil)
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type joinedNetwork struct {
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network.Network
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userConfig bool
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}
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// Daemon implements all methods of the Daemon interface, plus others used
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// to manage this particular implementation.
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//
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@ -67,7 +73,7 @@ type Daemon struct {
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networksRuntimeDir toolkit.Dir
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l sync.RWMutex
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networks map[string]network.Network
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networks map[string]joinedNetwork
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}
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// New initializes and returns a Daemon.
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@ -97,7 +103,7 @@ func New(
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daemonConfig: daemonConfig,
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envBinDirPath: envBinDirPath,
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opts: opts,
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networks: map[string]network.Network{},
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networks: map[string]joinedNetwork{},
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}
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{
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@ -135,7 +141,7 @@ func New(
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networkConfig, _ := pickNetworkConfig(daemonConfig, creationParams)
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d.networks[id], err = network.Load(
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network, err := network.Load(
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ctx,
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logger.WithNamespace("network"),
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networkConfig,
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@ -149,6 +155,11 @@ func New(
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if err != nil {
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return nil, fmt.Errorf("loading network %q: %w", id, err)
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}
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d.networks[id] = joinedNetwork{
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Network: network,
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userConfig: true,
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}
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}
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return d, nil
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@ -169,7 +180,9 @@ func New(
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// - network.ErrInvalidConfig
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func (d *Daemon) CreateNetwork(
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ctx context.Context,
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name, domain string, ipNet nebula.IPNet, hostName nebula.HostName,
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name, domain string,
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ipNet nebula.IPNet,
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hostName nebula.HostName,
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) error {
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creationParams := bootstrap.NewCreationParams(name, domain)
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ctx = mctx.WithAnnotator(ctx, creationParams)
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@ -221,7 +234,11 @@ func (d *Daemon) CreateNetwork(
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}
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d.logger.Info(ctx, "Network created successfully")
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d.networks[creationParams.ID] = n
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d.networks[creationParams.ID] = joinedNetwork{
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Network: n,
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userConfig: true,
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}
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return nil
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}
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@ -279,7 +296,10 @@ func (d *Daemon) JoinNetwork(
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}
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d.logger.Info(ctx, "Network joined successfully")
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d.networks[networkID] = n
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d.networks[networkID] = joinedNetwork{
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Network: n,
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userConfig: true,
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}
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return nil
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}
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@ -296,7 +316,7 @@ func withNetwork[Res any](
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network, err := pickNetwork(ctx, d.networks, d.networksStateDir)
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if err != nil {
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var zero Res
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return zero, nil
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return zero, err
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}
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return fn(ctx, network)
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@ -331,6 +351,35 @@ func (d *Daemon) GetNetworks(
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return res, nil
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}
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// SetConfig applies a new NetworkConfig to a joined network. It uses the same
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// mechanism as the rest of the [network.RPC] methods on the Daemon to choose a
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// network.
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//
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// Besides the errors related to network choosing which are returned by all
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// other [network.RPC] methods, this may also return ErrUserManagedNetworkConfig
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// if the network's configuration is not managed by the Daemon, but is instead
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// provided via the config by the user.
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func (d *Daemon) SetConfig(
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ctx context.Context, config daecommon.NetworkConfig,
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) error {
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d.l.RLock()
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defer d.l.RUnlock()
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// TODO needs to check that public addresses aren't being shared
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// across networks, and whatever else happens in Config.Validate.
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network, err := pickNetwork(ctx, d.networks, d.networksStateDir)
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if err != nil {
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return err
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}
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if network.userConfig {
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return ErrUserManagedNetworkConfig
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}
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return network.SetConfig(ctx, config)
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}
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// GetHost implements the method for the network.RPC interface.
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func (d *Daemon) GetHosts(ctx context.Context) ([]bootstrap.Host, error) {
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return withNetwork(
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@ -457,21 +506,6 @@ func (d *Daemon) GetConfig(
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)
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}
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func (d *Daemon) SetConfig(
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ctx context.Context, config daecommon.NetworkConfig,
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) error {
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_, err := withNetwork(
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ctx,
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d,
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func(ctx context.Context, n network.Network) (struct{}, error) {
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// TODO needs to check that public addresses aren't being shared
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// across networks, and whatever else happens in Config.Validate.
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return struct{}{}, n.SetConfig(ctx, config)
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},
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)
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return err
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}
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// Shutdown blocks until all resources held or created by the daemon,
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// including child processes it has started, have been cleaned up.
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//
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@ -10,6 +10,7 @@ const (
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errCodeAlreadyJoined
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errCodeNoMatchingNetworks
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errCodeMultipleMatchingNetworks
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errCodeUserManagedNetworkConfig
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)
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var (
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@ -33,4 +34,11 @@ var (
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errCodeMultipleMatchingNetworks,
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"Multiple networks matched the search string",
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)
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// ErrUserManagedNetworkConfig is returned when attempting to modify a
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// network config which is managed by the user.
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ErrUserManagedNetworkConfig = jsonrpc2.NewError(
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errCodeUserManagedNetworkConfig,
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"Network configuration is managed by the user",
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)
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)
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@ -75,18 +75,18 @@ func loadableNetworks(
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func pickNetwork(
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ctx context.Context,
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networks map[string]network.Network,
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networks map[string]joinedNetwork,
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networksStateDir toolkit.Dir,
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) (
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network.Network, error,
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joinedNetwork, error,
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) {
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if len(networks) == 0 {
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return nil, ErrNoNetwork
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return joinedNetwork{}, ErrNoNetwork
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}
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creationParams, err := loadableNetworks(networksStateDir)
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if err != nil {
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return nil, fmt.Errorf("getting loadable networks: %w", err)
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return joinedNetwork{}, fmt.Errorf("getting loadable networks: %w", err)
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}
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var (
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@ -101,9 +101,9 @@ func pickNetwork(
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}
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if len(matchingNetworkIDs) == 0 {
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return nil, ErrNoMatchingNetworks
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return joinedNetwork{}, ErrNoMatchingNetworks
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} else if len(matchingNetworkIDs) > 1 {
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return nil, ErrMultipleMatchingNetworks
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return joinedNetwork{}, ErrMultipleMatchingNetworks
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}
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return networks[matchingNetworkIDs[0]], nil
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@ -111,7 +111,7 @@ func pickNetwork(
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func alreadyJoined(
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ctx context.Context,
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networks map[string]network.Network,
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networks map[string]joinedNetwork,
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creationParams bootstrap.CreationParams,
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) (
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bool, error,
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@ -3,6 +3,7 @@ package daemon
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import (
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"context"
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"isle/bootstrap"
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"isle/daemon/daecommon"
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"isle/daemon/jsonrpc2"
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"isle/daemon/network"
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"isle/nebula"
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@ -25,6 +26,8 @@ type RPC interface {
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GetNetworks(context.Context) ([]bootstrap.CreationParams, error)
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SetConfig(context.Context, daecommon.NetworkConfig) error
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// All network.RPC methods are automatically implemented by Daemon using the
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// currently joined network. If no network is joined then any call to these
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// methods will return ErrNoNetwork.
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@ -34,6 +37,7 @@ type RPC interface {
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// these errors, in addition to those documented on the individual methods:
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//
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// Errors:
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// - ErrNoNetwork
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// - ErrNoMatchingNetworks
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// - ErrMultipleMatchingNetworks
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network.RPC
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