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436493350e
1. changes sentinel to use an http-like interface 2. moves hexutil, crypto/blake2b, metrics packages to erigon-lib
19 lines
403 B
Go
19 lines
403 B
Go
package dbutils
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// NextNibblesSubtree does []byte++. Returns false if overflow.
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func NextNibblesSubtree(in []byte, out *[]byte) bool {
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r := (*out)[:len(in)]
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copy(r, in)
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for i := len(r) - 1; i >= 0; i-- {
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if r[i] != 15 { // max value of nibbles
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r[i]++
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*out = r
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return true
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}
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r = r[:i] // make it shorter, because in tries after 11ff goes 12, but not 1200
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}
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*out = r
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return false
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}
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