gno-book-auth.go

// https://twitter.com/jaekwon/status/1713308824269144423

type Auth interface {
    Owner() std.Address
    Kind() string
    Verify() bool
}

type origAuth struct{ addr std.Address }

func (a origAuth) Owner() std.Address { return a.addr }
func (a origAuth) Kind() string      { return "orig" }
func (a origAuth) Verify() bool      { return true } // Always return true for origAuth
func NewOrigAuth() Auth             { return origAuth{std.GetOrigCaller()} }

type prevAuth struct{ addr std.Address }

func (a prevAuth) Owner() std.Address { return a.addr }
func (a prevAuth) Kind() string      { return "prev" }
func (a prevAuth) Verify() bool      { return true } // Always return true for prevAuth
func NewPrevAuth() Auth             { return prevAuth{std.PrevRealm().Addr} }

type delegatedAuth struct {
    owner     std.Address
    delegates map[std.Address]bool // Map to store approved delegates
}

func (a delegatedAuth) Owner() std.Address { return a.owner }
func (a delegatedAuth) Kind() string      { return "delegated" }

func NewDelegatedAuth() Auth {
    return &delegatedAuth{
        owner:     std.GetOrigCaller(),
        delegates: make(map[std.Address]bool),
    }
}

func (a *delegatedAuth) Verify() bool {
    return a.delegates[std.GetOrigCaller()]
}