Currently full nodes are just blindly relaying transactions to other nodes, but many other nodes might not even include those transactions in their mempool. This is probably causing a lot of unnecessary network traffic. By making mempool settings visible nodes could relay transactions more intelligently.
Possible values could include:
Accept transactions with 0.0001 BTC per kB or more:
mempoolpolicy: 0.0001+
Accept transactions with fees between 0.0000001 and 0.01 BTC per kB:
mempoolpolicy: 0.0000001-0.01
Accept transactions with 0.00001 BTC per kB or more (100 Megabytes left):
mempoolpolicy: 0.00001+/100M
Don't accept transactions (set if your node limits the number of transactions or total mempool size and the limit has been reached):
mempoolpolicy: reject
Possible values could include:
Accept transactions with 0.0001 BTC per kB or more:
mempoolpolicy: 0.0001+
Accept transactions with fees between 0.0000001 and 0.01 BTC per kB:
mempoolpolicy: 0.0000001-0.01
Accept transactions with 0.00001 BTC per kB or more (100 Megabytes left):
mempoolpolicy: 0.00001+/100M
Don't accept transactions (set if your node limits the number of transactions or total mempool size and the limit has been reached):
mempoolpolicy: reject
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