* cmd, core/state, light, trie, eth: add trie owner notion * all: refactor * tests: fix goimports * core/state/snapshot: fix ineffasigns Co-authored-by: Martin Holst Swende <martin@swende.se>
Trie tracer is an auxiliary tool to capture all deleted nodes which can't be captured by trie.Committer. The deleted nodes can be removed from the disk later.