Block Workflow

The following workflows are supported for blocks.

1. Block Building

Incremental creation

Initialize Block - Header.from_parent(...):
- coinbase
- parent_hash
- difficulty
- block_number
- gas_limit
- timestamp
Apply Transaction(s) - Block.apply_transaction(...):
Mine Block - Block.mine(...):
- uncles_hash
- state_root
- transaction_root
- receipts_root
- bloom
- gas_used
- extra_data
- mix_hash
- nonce

2. Block Ingestion

(This is actually just a special case of use case #1.)

Full ingestion of a complete block.