DefaultCacheConfigWithScheme returns a deep copied default cache config with a provided trie node scheme.

GenerateChain creates a chain of n blocks.

GenerateChainWithGenesis is a wrapper of GenerateChain which will initialize genesis block to database first according to the provided genesis specification then generate chain on top.

BlockGen creates blocks for testing.

CacheConfig contains the configuration values for the trie database and state snapshot these are resident in a blockchain.