KeyChain

Usage: new KeyChain(opts)
Description: This method create a new KeyChain. Which handle handle the derivation and handling of the HDRootKey (when init from an HDPrivKey).

While both the seed and the mnemonic would allow to generate other coins private keys, a HDRootKey is specific to a coin, which is why it's the value used in store..

Parameters:

parameters	type	required	Description
opts.network	Network	String	no (testnet)
opts.type	string	yes	The type of the KeyChain (HDPrivateKey, HDPublicKey or privateKey)
opts.HDPrivateKey	object	yes (if type)	If type is HDPrivateKey, the root HDPrivateKey to allow KeyChain to generate new address
opts.HDPublicKey	object	yes (if type)	If type is HDPublicKey, the root HDPublicKey to allow KeyChain to generate new public address
opts.privateKey	object	yes (if type)	If type is a PrivateKey, the PrivKey to allow KeyChain to manage public address
opts.keys	object	no	If required, allow to create KeyChain by passing it a set of keys

Returns : Keychain instance.