Set up Bitcoin local environment

[NedimRenesalis]

https://bisq.network/blog/how-to-set-up-bitcoin-regtest/

https://bitcoin.stackexchange.com/questions/36708/access-to-rpc-console

https://www.youtube.com/watch?v=X6jtpe2_kUc

[ramizpolic]

Following tasks have been resolved by this item:

• switching to Bitcoin Core 0.19
• rebranding the client
• setting up the proper pipeline executions
• switching to workflow of a hard fork from a specific block height, which in turn resolves our need for snapshots.

Sidenote:
After the hard-fork height, we will premine specific amount of blocks, by only allowing our private addresses to mine the blocks (i.e. whitelisting to our pub keys). We also have to take into account to premine 100.000 coins, and for that, we need to know following:

• block reward - how much coins we obtain for a single block. We can use Bitcoin Block Reward Halving Countdown to obtain this number.
• number of blocks - obtaining this, we essentially are solving the question of how many blocks we need to mine to obtain 100.000 coins.