Latest ledger types (eg. for building transactions)
npm install @helios-lang/ledgerTypes and classes needed for the mainnet ledger:
* Address
* AssetClass
* Block
* DCert
* Hashes
* PoolParameters
* PoolRelay
* TimeRange
* Tx
* TxInput
* TxOutput
* Value
* etc.
Eras:
1. Byron
2. Shelley
3. Allegra
4. Mary
5. Alonzo
6. Babbage
7. Conway