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make namelen a const

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Signed-off-by: Csaba Kiraly <csaba.kiraly@gmail.com>
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Csaba Kiraly 2021-11-24 17:22:28 +01:00 committed by Dmitriy Ryajov
parent 5429872772
commit a5da2ae946
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1 changed files with 5 additions and 2 deletions
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dagger/storageproofs/bls.nim
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@ -86,6 +86,9 @@ import ../rng
# which is 255 bits long for BLS12-381
const bytespersector = 31
# length in bytes of the unique (random) name
const namelen = 512
type
# a single sector
ZChar = array[bytespersector, byte]
@ -102,7 +105,7 @@ type
# POR metadata (called "file tag t_0" in the original paper)
TauZero = object
name: array[512,byte]
name: array[namelen, byte]
n: int64
u: seq[blst_p1]
@ -199,7 +202,7 @@ proc hashToG1(msg: string): blst_p1 =
const dst = "DAGGER-PROOF-OF-CONCEPT"
result.blst_hash_to_g1(msg, dst, aug = "")
proc hashNameI(name: openArray[byte], i: int64): blst_p1 =
proc hashNameI(name: array[namelen, byte], i: int64): blst_p1 =
## Calculate unique filname and block index based hash
return hashToG1($name & $i)