Schedules and tracks pending transaction requests to peers.

Synopsis

Declared in <txrequest.h>

class TxRequestTracker;

Member Functions

Name

Description

TxRequestTracker [constructor]

Construct a TxRequestTracker.

~TxRequestTracker [destructor]

Destroy the TxRequestTracker.

ComputePriority

Access to the internal priority computation (testing only)

Count

Count how many announcements a peer has (REQUESTED, CANDIDATE, and COMPLETED combined).

CountCandidates

Count how many CANDIDATE announcements a peer has.

CountInFlight

Count how many REQUESTED announcements a peer has.

DisconnectedPeer

Deletes all announcements for a given peer.

ForgetTxHash

Deletes all announcements for a given txhash (both txid and wtxid ones).

GetCandidatePeers

For some txhash (txid or wtxid), finds all peers with non‐COMPLETED announcements and appends them to result_peers. Does not try to ensure that result_peers contains no duplicates.

GetRequestable

Find the txids to request now from peer.

PostGetRequestableSanityCheck

Run a time‐dependent internal consistency check (testing only).

ReceivedInv

Adds a new CANDIDATE announcement.

ReceivedResponse

Converts a CANDIDATE or REQUESTED announcement to a COMPLETED one. If no such announcement exists for the provided peer and txhash, nothing happens.

RequestedTx

Marks a transaction as requested, with a specified expiry.

SanityCheck

Run internal consistency check (testing only).

Size

Count how many announcements are being tracked in total across all peers and transaction hashes.

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