DefaultEthNodeConfig returns the default configuration for a go-ethereum ethereum.

NewNode creates a new node.

NewTracer creates a new Tracer instance.

it needs to match to the value passed at go-ethereum/eth/backend.go:CreateDB().

IMPORTANT: Following three values needs to correspond to the internal values used by go-ethereum.

Database handles the chain database and VM.

---------------------------------------------------------------------- EthState manages concurrent access to the intermediate blockState object The eth tx pool fires TxPreEvent in a go-routine, and the miner subscribes to this in another go-routine and processes the tx onto an intermediate ethState.

Node is the main object.

Dummy block validator ignoring PoW, uncles and so on.

Tracer is used to trace and assert behaviour of lightchain `database` pkg.