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authorglozow <gloriajzhao@gmail.com>2022-06-15 17:04:20 +0100
committerglozow <gloriajzhao@gmail.com>2022-06-15 20:24:46 +0100
commit2224bcabc432ecaadd7cadda90ab41f0f455432c (patch)
tree4dc85d231a120d37375a2c94ddef5a6b33b7ad6d /doc/policy/mempool-replacements.md
parent5174a139c92c1238f9700d06e362dc628d81a0a9 (diff)
downloadbitcoin-2224bcabc432ecaadd7cadda90ab41f0f455432c.tar.xz
[doc] RBF feerate rule
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diff --git a/doc/policy/mempool-replacements.md b/doc/policy/mempool-replacements.md
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+++ b/doc/policy/mempool-replacements.md
@@ -51,6 +51,13 @@ other consensus and policy rules, each of the following conditions are met:
significant portions of the node's mempool using replacements with multiple directly conflicting
transactions, each with large descendant sets.
+6. The replacement transaction's feerate is greater than the feerates of all directly conflicting
+ transactions.
+
+ *Rationale*: This rule was originally intended to ensure that the replacement transaction is
+ preferable for block-inclusion, compared to what would be removed from the mempool. This rule
+ predates ancestor feerate-based transaction selection.
+
This set of rules is similar but distinct from BIP125.
## History