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docs: add dustThreshold explain of P2TR

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jasonandjay 2024-05-02 22:33:41 +08:00
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5
src/policy/policy.cpp
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@ -43,6 +43,11 @@
* so dust is a spendable txout less than
* 98*dustRelayFee/1000 (in satoshis).
* 294 satoshis at the default rate of 3000 sat/kvB.
* - A typical spendable segwit P2TR txout is 43 bytes big, and will
* need a CTxIn of at least 57（used 67, see reason below） bytes to spend:
* so dust is a spendable txout less than
* 110*dustRelayFee/1000 (in satoshis).
* 330 satoshis at the default rate of 3000 sat/kvB.
*
* The actual dust threshold is calculated by determining the cost to
* spend the output at the current fee rate and comparing it to the