Instead of asserting ref count is 1 before recycling, allow users
to recycle items early. If it turns out that was too early, and
allocate() wants to return it, then boot it and take a memory
allocation performance hit instead.
* Send transactions from the mint's private key
* By default, send full balance to oneself
* By default, request the mint's number of tokens for airdrops
Now that the Bank is single-threaded again, we can spin up new
accounts on the fly without concern of thread contention. Likewise,
we can send all transactions from a single account, which was also
problematic in the multi-threaded bank. Sending from one account will
also make client-demo straightforward to port to solana-drone.
This change will make these benchmarks way slower, because its now
cloning the transaction vector each iteration instead of the ref
counts. We need to rethink these.
This patch likely fixes the sporadic failures in the following tests:
```
test server::tests::validator_exit ... FAILED
test streamer::test::streamer_send_test ... FAILED
test thin_client::tests::test_bad_sig ... FAILED
test drone::tests::test_send_airdrop ... FAILED
test thin_client::tests::test_thin_client ... FAILED
```
This might fix an awful bug where the streamer reuses a Blob
before the current user is done with it. Recycler should probably
assert ref count is one?
* Also don't collect() an iterator before iterating over it.
