diff options
Diffstat (limited to 'src/chain.h')
| -rw-r--r-- | src/chain.h | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/src/chain.h b/src/chain.h index 84a3a4e1e7..365a7f79b6 100644 --- a/src/chain.h +++ b/src/chain.h @@ -126,7 +126,15 @@ enum BlockStatus: uint32_t { BLOCK_FAILED_CHILD = 64, //!< descends from failed block BLOCK_FAILED_MASK = BLOCK_FAILED_VALID | BLOCK_FAILED_CHILD, - BLOCK_OPT_WITNESS = 128, //!< block data in blk*.data was received with a witness-enforcing client + BLOCK_OPT_WITNESS = 128, //!< block data in blk*.dat was received with a witness-enforcing client + + /** + * If set, this indicates that the block index entry is assumed-valid. + * Certain diagnostics will be skipped in e.g. CheckBlockIndex(). + * It almost certainly means that the block's full validation is pending + * on a background chainstate. See `doc/assumeutxo.md`. + */ + BLOCK_ASSUMED_VALID = 256, }; /** The block chain is a tree shaped structure starting with the @@ -300,14 +308,24 @@ public: return ((nStatus & BLOCK_VALID_MASK) >= nUpTo); } + //! @returns true if the block is assumed-valid; this means it is queued to be + //! validated by a background chainstate. + bool IsAssumedValid() const { return nStatus & BLOCK_ASSUMED_VALID; } + //! Raise the validity level of this block index entry. //! Returns true if the validity was changed. bool RaiseValidity(enum BlockStatus nUpTo) { assert(!(nUpTo & ~BLOCK_VALID_MASK)); // Only validity flags allowed. - if (nStatus & BLOCK_FAILED_MASK) - return false; + if (nStatus & BLOCK_FAILED_MASK) return false; + if ((nStatus & BLOCK_VALID_MASK) < nUpTo) { + // If this block had been marked assumed-valid and we're raising + // its validity to a certain point, there is no longer an assumption. + if (nStatus & BLOCK_ASSUMED_VALID && nUpTo >= BLOCK_VALID_SCRIPTS) { + nStatus &= ~BLOCK_ASSUMED_VALID; + } + nStatus = (nStatus & ~BLOCK_VALID_MASK) | nUpTo; return true; } |