Active_transactions updates blocks when updating difficulty.

[clemahieu]

No description provided.

[guilhermelawless]

This code seems redundant now, could be removed:

nano-node/nano/node/wallet.cpp

Lines 1458 to 1473 in 945c8ca

	{
	auto hash (block_a->hash ());
	nano::lock_guard<std::mutex> active_guard (watcher_l->node.active.mutex);
	auto existing (watcher_l->node.active.roots.find (root_a));
	if (existing != watcher_l->node.active.roots.end ())
	{
	auto election (existing->election);
	if (election->status.winner->hash () == hash)
	{
	election->status.winner = block;
	}
	auto current (election->blocks.find (hash));
	assert (current != election->blocks.end ());
	current->second = block;
	}
	}