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shachain: use maxHeight+1 for bucket key space

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This prevents a nil-pointer-dereference if we hit 2^48 channel states.
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eugene 2022-11-02 13:06:47 -04:00
parent ae6006a84e
commit a803faadd7
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1 changed files with 1 additions and 1 deletions
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shachain/store.go
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@ -46,7 +46,7 @@ type RevocationStore struct {
// buckets is an array of elements from which we may derive all
// previous elements, each bucket corresponds to the element with the
// particular number of trailing zeros.
buckets [maxHeight]element
buckets [maxHeight + 1]element
// index is an available index which will be assigned to the new
// element.