doc: truc packages allow sub min feerate transactions

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Pol Espinasa 2025-08-19 20:42:17 +02:00
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@ -116,7 +116,10 @@ rejected from the mempool when transaction volume is high and the mempool minimu
Note: Package feerate cannot be used to meet the minimum relay feerate (`-minrelaytxfee`) Note: Package feerate cannot be used to meet the minimum relay feerate (`-minrelaytxfee`)
requirement. For example, if the mempool minimum feerate is 5sat/vB and the minimum relay feerate is requirement. For example, if the mempool minimum feerate is 5sat/vB and the minimum relay feerate is
set to 5sat/vB, a 1sat/vB parent transaction with a high-feerate child will not be accepted, even if set to 5sat/vB, a 1sat/vB parent transaction with a high-feerate child will not be accepted, even if
submitted as a package. submitted as a package. Note that this rule does not apply to
[TRUC transactions](https://github.com/bitcoin/bips/blob/master/bip-0431.mediawiki) as an individual
TRUC transaction is permitted to be below the mempool min relay feerate, assuming it is considered within
a package that meets the mempool's feerate requirements.
*Rationale*: Avoid situations in which the mempool contains non-bumped transactions below min relay *Rationale*: Avoid situations in which the mempool contains non-bumped transactions below min relay
feerate (which we consider to have pay 0 fees and thus receiving free relay). While package feerate (which we consider to have pay 0 fees and thus receiving free relay). While package