In the last commit 77842f9b TON developers added a proxy serve | TON technical overview

In the last commit 77842f9b TON developers added a proxy server running on top of the transport layer of the TON nodes network.
Also, new opcodes that recursively calculate the cell size were added. The fee for reading cells has been changed: re-reading will cost 25 gas, first access still 100. Wallet versioning was introduced. I want to congratulate our colleague, @Skydev : his manual-DNS contract, which won the smart contract contest, was added to the smart contract collection.
Tonlib API was slightly changed: now it will be possible to request the status of contracts at the certain block + it will be possible to work with wallets of different versions.