[#CTxMemPool-ChangeSet-StageAddition]
= xref:CTxMemPool.adoc[CTxMemPool]::xref:CTxMemPool/ChangeSet.adoc[ChangeSet]::StageAddition
:relfileprefix: ../../
:mrdocs:

Stage a transaction for addition to the mempool.

== Synopsis

Declared in `<txmempool.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:CTxMemPool/ChangeSet/TxHandle.adoc[TxHandle]
StageAddition(
    xref:CTransactionRef.adoc[CTransactionRef] const& tx,
    xref:CAmount.adoc[CAmount] fee,
    int64_t time,
    unsigned int entry_height,
    uint64_t entry_sequence,
    bool spends_coinbase,
    int64_t sigops_cost,
    xref:LockPoints.adoc[LockPoints] lp);
----

== Return Value

A handle to the staged transaction.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *tx*
| The transaction to add.
| *fee*
| The base fee of the transaction.
| *time*
| The time the transaction entered the mempool.
| *entry_height*
| The block height at entry.
| *entry_sequence*
| The mempool sequence number at entry.
| *spends_coinbase*
| Whether the transaction spends a coinbase output.
| *sigops_cost*
| The sigop cost of the transaction.
| *lp*
| The LockPoints of the transaction.
|===


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