ImportFromFile imports a chain from a filepath.

ImportFromName imports a chain from the precompiled json chains (i.e.

ResolveNetworkID returns the name of the network or the string of the id if it is not found.

GenesisDifficulty is the default difficulty of the Genesis block.

GenesisGasLimit is the default gas limit of the Genesis block.

Forks specifies when each fork is activated.

Genesis specifies the header fields, state of a genesis block.

GenesisAccount is an account in the state of the genesis block.

Params are all the set of params for the chain.

GenesisAlloc specifies the initial state that is part of the genesis block.