package octez-protocol-alpha-libs
Install
Dune Dependency
Authors
Maintainers
Sources
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doc/octez-protocol-alpha-libs.plugin/Tezos_protocol_plugin_alpha/Mempool/Conflict_map/index.html
Module Mempool.Conflict_map
Source
The purpose of this module is to provide the fee_needed_to_replace_by_fee
function. For this function to be correct, the caller must maintain the state of type t
by calling update
on each successfully validated operation and its induced replacements.
Internal state needed by fee_needed_to_replace_by_fee
.
val update :
t ->
new_operation:Tezos_protocol_alpha.Protocol.Alpha_context.packed_operation ->
replacements:
Tezos_protocol_alpha.Protocol.Alpha_context.packed_operation list ->
t
Removes all the replacements
from the state then adds new_operation
.
val fee_needed_to_replace_by_fee :
config ->
candidate_op:Tezos_protocol_alpha.Protocol.Alpha_context.packed_operation ->
conflict_map:t ->
int64 option
This function should be called when Protocol.Mempool.add_operation
has returned Unchanged
. This means that the candidate_op
has been rejected because there was a conflict with an pre-existing operation and the conflict_handler
has returned `Keep
. When both operations are manager operations, this function returns the minimal fee (in mutez) that candidate_op
would need in order to win the conflict, i.e. make the conflict_handler
return `Replace
instead. Otherwise, it returns None
.