Store the list of affected addresses for each transaction in the light node mode

[nickeskov]

Related to this TODO:

gowaves/pkg/state/appender.go

Lines 621 to 656 in 74aaeb1

	func (a *txAppender) applySnapshotInLightNode(
	params *appendBlockParams,
	blockInfo *proto.BlockInfo,
	snapshot proto.BlockSnapshot,
	stateHash crypto.Digest,
	hasher *txSnapshotHasher,
	) (crypto.Digest, error) {
	if len(snapshot.TxSnapshots) != len(params.transactions) { // sanity check
	return crypto.Digest{}, errors.New("number of tx snapshots doesn't match number of transactions")
	}
	for i, txs := range snapshot.TxSnapshots {
	tx := params.transactions[i]
	txID, idErr := tx.GetID(a.settings.AddressSchemeCharacter)
	if idErr != nil {
	return crypto.Digest{}, idErr
	}
	if len(txs) == 0 { // sanity check
	return crypto.Digest{}, errors.Errorf("snapshot of txID %q cannot be empty", base58.Encode(txID))
	}
	txSh, shErr := calculateTxSnapshotStateHash(hasher, txID, blockInfo.Height, stateHash, txs)
	if shErr != nil {
	return crypto.Digest{}, errors.Wrapf(shErr, "failed to calculate tx snapshot hash for txID %q at height %d",
	base58.Encode(txID), blockInfo.Height,
	)
	}
	stateHash = txSh
	regSnapshots := txSnapshot{regular: txs}
	if err := regSnapshots.Apply(a.txHandler.sa, tx, false); err != nil {
	return crypto.Digest{}, errors.Wrap(err, "failed to apply tx snapshot")
	}
	if fErr := a.blockDiffer.countMinerFee(tx); fErr != nil {
	return crypto.Digest{}, errors.Wrapf(fErr, "failed to count miner fee for tx %d", i+1)
	}
	// TODO: In future we have to store the list of affected addresses for each transaction here.
	}
	return stateHash, nil