details about the present block the world attempt to mine
The world is concurrently making an attempt to mine many various blocks which solely have the block peak and goal (bits/issue) in widespread and due to this fact have a typical prior block hash.
(I imply Model, Earlier Block, Merkle Root, Time, Bits)
Though earlier block and bits are widespread to all concurrent mining effort globally, model, Merkle root and time are issues successfully chosen by particular person miners (or swimming pools) and due to this fact differ from miner to miner.
To get the goal and the hash of the highest block, that you must interrogate both a node that you simply run (e.g. Bitcoin core as vincenzopalazzo instructed) or a public node similar to a blockchain explorer. Each have APIs however the APIs differ. There could also be Python libraries you need to use however which libraries it is best to use, if any, will depend upon which supply you choose.
Bitcoin core’s API has capabilities helpful for setting up block templates.
plus what number of zeros we’re searching for for the output of the hash!
None. Bitcoin doesn’t ever contemplate the variety of main zeroes. Adam Black’s “HashCash” unimplemented proposal used variety of binary main zeroes however Nakamoto’s “Bitcoin” did one thing completely different although partially impressed by Hashcash.
The check in Bitcoin is an easy numeric comparability of hash <= goal the place the goal is obtained by increasing the bits you talked about earlier than and recalculating the following worth when acceptable (when block peak is a a number of of 2016).