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Improve btcctl handling of empty RPC data returns.

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There are several RPCs which do not return any data on success.  btcctl
was improperly treating this as an error condition.
This commit is contained in:
Dave Collins 2014-05-13 15:24:00 -05:00
parent ce142e8ca2
commit d6f7adeba8
1 changed files with 6 additions and 8 deletions
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14
util/btcctl/btcctl.go
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@ -38,7 +38,6 @@ type handlerData struct {
// Errors used in the various handlers.
var (
ErrNoData = errors.New("No data returned.")
ErrNoDisplayHandler = errors.New("No display handler specified.")
ErrUsage = errors.New("btcctl usage") // Real usage is shown.
)
@ -792,10 +791,6 @@ func send(cfg *config, msg []byte) (interface{}, error) {
return nil, reply.Error
}
if reply.Result == nil {
return nil, ErrNoData
}
return reply.Result, nil
}
@ -869,9 +864,12 @@ func commandHandler(cfg *config, command string, data *handlerData, args []strin
// Display the results of the JSON-RPC command using the provided
// display handler.
err = data.displayHandler(reply)
if err != nil {
return err
if reply != nil {
err = data.displayHandler(reply)
if err != nil {
return err
}
}
return nil