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-rw-r--r--include/hotstuff/consensus.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/hotstuff/consensus.h b/include/hotstuff/consensus.h
index 1528b40..85c1e8c 100644
--- a/include/hotstuff/consensus.h
+++ b/include/hotstuff/consensus.h
@@ -80,7 +80,8 @@ class HotStuffCore {
* contain at least one block, and the first block is the actual parent,
* while the others are uncles/aunts */
void on_propose(const std::vector<command_t> &cmds,
- const std::vector<block_t> &parents);
+ const std::vector<block_t> &parents,
+ serializable_bt &&extra = nullptr);
/* Functions required to construct concrete instances for abstract classes.
* */
@@ -113,6 +114,8 @@ class HotStuffCore {
virtual quorum_cert_bt parse_quorum_cert(DataStream &s) = 0;
/** Create a command object from its serialized form. */
virtual command_t parse_cmd(DataStream &s) = 0;
+ /** Create the extra data from its serialized form. */
+ virtual serializable_bt parse_extra_block_data(DataStream &) { return nullptr; }
public:
/** Add a replica to the current configuration. This should only be called