// we finalize the ledger and create a new immutable ledger state
private void Finalize(SignedLedger signed, LedgerPostState state)
{
var ledgerState = state.Finalize(HasherFactory.CreateHasher(signed.GetVersion()));
if (!CheckMerkleRoot(ledgerState, signed))
{
throw new Exception("Merkle root is not valid");
}
LiveService.PersistenceManager.Save(new SignedLedgerState(signed, state.GetLedgerStateChange()));
LedgerState = ledgerState;
LastLedger = signed;
OnNewLedger(LastLedger);
}
private void InitializeLedger(SignedLedger lastLedger)
{
var accounts = new Trie <Account>(Address.RAW_SIZE);
foreach (var account in LiveService.AccountManager.GetAccounts())
{
accounts.CreateOrUpdate(account.Key.ToRawBytes(), old =>
{
if (old != null)
{
throw new Exception("The ledger's account states are duplicated !");
}
return(account.Value);
});
}
// TODO compute hash
accounts.ComputeHash(HasherFactory.CreateHasher(lastLedger.GetVersion()));
LedgerState = new LedgerStateFinal(accounts);
LastLedger = lastLedger;
// Debug.Assert(SignedLedgerValidator.Validate(this.lastLedger) == LedgerValidationStatus.Ok, "Last Ledger is not valid"); // Most likely not enough signatures (see quorum)
}
private bool CheckMerkleRoot(LedgerStateFinal ledgerState, SignedLedger ledger)
{
var hash = GetMerkleRootHash(ledgerState, ledger.GetVersion());
return(ledger.Ledger.MerkleHash.Equals(hash));
}