update comments to reflect changed code

This commit is contained in:
Thomas Winget 2014-12-14 14:30:38 -05:00 committed by warptangent
parent 5baf9d9eb3
commit c3fa07b44b

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@ -395,10 +395,7 @@ public:
// return the block at the top of the blockchain
virtual block get_top_block() const = 0;
// return the index of the top block on the chain
// NOTE: for convenience using heights as indices, this is not the total
// size of the blockchain, but rather the index of the top block. As the
// chain is 0-indexed, the total size will be height() + 1.
// return the height of the chain
virtual uint64_t height() const = 0;
// pops the top block off the blockchain.