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Better document usage of SyncTransaction

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Alex Morcos
2016-12-16 14:17:13 -05:00
parent 4afbde6028
commit 094e4b3383
2 changed files with 19 additions and 4 deletions
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11
src/validationinterface.h
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@@ -50,9 +50,16 @@ protected:
struct CMainSignals {
/** Notifies listeners of updated block chain tip */
boost::signals2::signal<void (const CBlockIndex *, const CBlockIndex *, bool fInitialDownload)> UpdatedBlockTip;
/** A posInBlock value for SyncTransaction which indicates the transaction was conflicted, disconnected, or not in a block */
/** A posInBlock value for SyncTransaction calls for tranactions not
* included in connected blocks such as transactions removed from mempool,
* accepted to mempool or appearing in disconnected blocks.*/
static const int SYNC_TRANSACTION_NOT_IN_BLOCK = -1;
/** Notifies listeners of updated transaction data (transaction, and optionally the block it is found in. */
/** Notifies listeners of updated transaction data (transaction, and
* optionally the block it is found in). Called with block data when
* transaction is included in a connected block, and without block data when
* transaction was accepted to mempool, removed from mempool (only when
* removal was due to conflict from connected block), or appeared in a
* disconnected block.*/
boost::signals2::signal<void (const CTransaction &, const CBlockIndex *pindex, int posInBlock)> SyncTransaction;
/** Notifies listeners of an updated transaction without new data (for now: a coinbase potentially becoming visible). */
boost::signals2::signal<void (const uint256 &)> UpdatedTransaction;