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swarm: remove unused/dead code (#18351)

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This commit is contained in:
Anton Evangelatov
2018-12-23 17:31:32 +01:00
committed by GitHub
parent 335760bf06
commit 9e9fc87e70
25 changed files with 19 additions and 400 deletions
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58
swarm/api/api.go
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@ -50,10 +50,6 @@ import (
opentracing "github.com/opentracing/opentracing-go"
)
var (
ErrNotFound = errors.New("not found")
)
var (
apiResolveCount = metrics.NewRegisteredCounter("api.resolve.count", nil)
apiResolveFail = metrics.NewRegisteredCounter("api.resolve.fail", nil)
@ -136,13 +132,6 @@ func MultiResolverOptionWithResolver(r ResolveValidator, tld string) MultiResolv
}
}
// MultiResolverOptionWithNameHash is unused at the time of this writing
func MultiResolverOptionWithNameHash(nameHash func(string) common.Hash) MultiResolverOption {
return func(m *MultiResolver) {
m.nameHash = nameHash
}
}
// NewMultiResolver creates a new instance of MultiResolver.
func NewMultiResolver(opts ...MultiResolverOption) (m *MultiResolver) {
m = &MultiResolver{
@ -173,40 +162,6 @@ func (m *MultiResolver) Resolve(addr string) (h common.Hash, err error) {
return
}
// ValidateOwner checks the ENS to validate that the owner of the given domain is the given eth address
func (m *MultiResolver) ValidateOwner(name string, address common.Address) (bool, error) {
rs, err := m.getResolveValidator(name)
if err != nil {
return false, err
}
var addr common.Address
for _, r := range rs {
addr, err = r.Owner(m.nameHash(name))
// we hide the error if it is not for the last resolver we check
if err == nil {
return addr == address, nil
}
}
return false, err
}
// HeaderByNumber uses the validator of the given domainname and retrieves the header for the given block number
func (m *MultiResolver) HeaderByNumber(ctx context.Context, name string, blockNr *big.Int) (*types.Header, error) {
rs, err := m.getResolveValidator(name)
if err != nil {
return nil, err
}
for _, r := range rs {
var header *types.Header
header, err = r.HeaderByNumber(ctx, blockNr)
// we hide the error if it is not for the last resolver we check
if err == nil {
return header, nil
}
}
return nil, err
}
// getResolveValidator uses the hostname to retrieve the resolver associated with the top level domain
func (m *MultiResolver) getResolveValidator(name string) ([]ResolveValidator, error) {
rs := m.resolvers[""]
@ -224,11 +179,6 @@ func (m *MultiResolver) getResolveValidator(name string) ([]ResolveValidator, er
return rs, nil
}
// SetNameHash sets the hasher function that hashes the domain into a name hash that ENS uses
func (m *MultiResolver) SetNameHash(nameHash func(string) common.Hash) {
m.nameHash = nameHash
}
/*
API implements webserver/file system related content storage and retrieval
on top of the FileStore
@ -265,9 +215,6 @@ func (a *API) Store(ctx context.Context, data io.Reader, size int64, toEncrypt b
return a.fileStore.Store(ctx, data, size, toEncrypt)
}
// ErrResolve is returned when an URI cannot be resolved from ENS.
type ErrResolve error
// Resolve a name into a content-addressed hash
// where address could be an ENS name, or a content addressed hash
func (a *API) Resolve(ctx context.Context, address string) (storage.Address, error) {
@ -980,11 +927,6 @@ func (a *API) FeedsUpdate(ctx context.Context, request *feed.Request) (storage.A
return a.feed.Update(ctx, request)
}
// FeedsHashSize returned the size of the digest produced by Swarm feeds' hashing function
func (a *API) FeedsHashSize() int {
return a.feed.HashSize
}
// ErrCannotLoadFeedManifest is returned when looking up a feeds manifest fails
var ErrCannotLoadFeedManifest = errors.New("Cannot load feed manifest")