Add contract/ens Public accessor for generating ens name hash
Include workaround db.Close() before dbstore-fix merge
swarm/storage: Add signature + address retrieval from chunk data/sign
swarm/storage: Amend PR comments from @nonsense
swarm/storage: Extract input checks to own function, redundant freq chk
swarm/storage: Add test startup and teardown
swarm/storage: Remove redundant data member checks
swarm/storage: @zelig PR comments amends, part I
Modify outline comments
Source data size contraints from chunker
Change SHA3 to SHA256
Add locks to resources maps
Remove redundant initializers
test: Check data size to avoid segfault
test: Return teardown code from setup
swarm/storage: @zelig PR comments amends, part II
Add methods for historical resource update retrieval