db_block.cpp: Add some comments

This commit is contained in:
theoreticalbts 2015-09-24 17:07:35 -04:00
parent 35acfff060
commit 4c619414ae

View file

@ -353,8 +353,15 @@ signed_block database::_generate_block(
{
wlog( "Postponed ${n} transactions due to block size limit", ("n", postponed_tx_count) );
}
_pending_tx_session.reset();
// We have temporarily broken the invariant that
// _pending_tx_session is the result of applying _pending_tx, as
// _pending_tx now consists of the set of postponed transactions.
// However, the push_block() call below will re-create the
// _pending_tx_session.
pending_block.previous = head_block_id();
pending_block.timestamp = when;
pending_block.transaction_merkle_root = pending_block.calculate_merkle_root();
@ -363,6 +370,7 @@ signed_block database::_generate_block(
if( !(skip & skip_witness_signature) )
pending_block.sign( block_signing_private_key );
// TODO: Move this to _push_block() so session is restored.
FC_ASSERT( fc::raw::pack_size(pending_block) <= get_global_properties().parameters.maximum_block_size );
push_block( pending_block, skip );