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[BIP78] Recommended fee rate estimation for P2TR

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Non-Witness: 

Outpoint size = 32+4
Sequence size = 4
ScriptSig VarInt Size= 1

Witness: 

WitScript VarInt Size= 1
Then script itself: 65 signature size + 1 byte of push opcode

`(32 + 4 + 4 + 1) + (65+1+1)/4=57.75`, rounded up `58`.

We assume 65 of signature size rather than 64, since we can't assume the sighash to be `Default`.
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Nicolas Dorier 2021-08-05 15:49:41 +09:00 committed by GitHub
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commit 1945eda0c2
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@ -229,6 +229,9 @@ Our recommendation for <code>maxadditionalfeecontribution=</code> is <code>origi
|-
|P2SH-P2WPKH
|91
|-
|P2TR
|58
|}