[#TxReconciliationTracker-RegisterPeer]
= xref:TxReconciliationTracker.adoc[TxReconciliationTracker]::RegisterPeer
:relfileprefix: ../
:mrdocs:

Step 0. Once the peer agreed to reconcile txs with us, generate the state required to track ongoing reconciliations. Must be called only after pre‐registering the peer and only once.

== Synopsis

Declared in `<node/txreconciliation.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:ReconciliationRegisterResult.adoc[ReconciliationRegisterResult]
RegisterPeer(
    xref:NodeId-08.adoc[NodeId] peer_id,
    bool is_peer_inbound,
    uint32_t peer_recon_version,
    uint64_t remote_salt);
----

== Return Value

The result of the registration attempt.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *peer_id*
| The peer being registered.
| *is_peer_inbound*
| Whether the peer's connection is inbound.
| *peer_recon_version*
| The reconciliation protocol version advertised by the peer.
| *remote_salt*
| The salt supplied by the peer for short‐ID computation.
|===


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