// NewReleaseService creates a new service to periodically check for new client
// releases and notify the user of such.
func NewReleaseService(ctx *node.ServiceContext, config Config) (node.Service, error) {
// Retrieve the Expanse service dependency to access the blockchain
var expanse *exp.Expanse
if err := ctx.Service(&expanse); err != nil {
return nil, err
}
// Construct the release service
contract, err := NewReleaseOracle(config.Oracle, exp.NewContractBackend(expanse))
if err != nil {
return nil, err
}
return &ReleaseService{
config: config,
oracle: contract,
quit: make(chan chan error),
}, nil
}
