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BOLT 3: fix definition of flip(B) in P. #779

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Jul 7, 2020
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BOLT 3: fix definition of flip(B) in P. #779

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4 changes: 3 additions & 1 deletion 03-transactions.md
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Original file line number Diff line number Diff line change
Expand Up @@ -527,7 +527,9 @@ generate_from_seed(seed, I):
return P
```

Where "flip(B)" alternates the B'th least significant bit in the value P.
Where "flip(B)" alternates the (B mod 8) bit of the (B div 8)
byte of the value. So, "flip(0) in e3b0..." is "e2b0...", and
"flip(10) in "e3b0..." is "e3b4...".

The receiving node:
- MAY store all previous per-commitment secrets.
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