# Functions
Connect performs initialization for the local chain, wrapped in the provided context.
NewTBTCLocalChain creates a new TBTCLocalChain.
RandomSigningGroup randmly chooses `size` signers to be a new signing group.
# Structs
ChainLogger writes log messages relevant to the local chain.
Signature represents an ecdsa signature.
TBTCLocalChain represents variables and state relative to the TBTC chain.
TxProof represents where a transaction proof has been provided or not (nil if not).
# Interfaces
Chain is an extention of eth.Handle interface which exposes additional functions useful for testing.