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check if dataset and recomputation from cache matches

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This commit is contained in:
mratsim 2018-02-21 20:37:06 +01:00
parent 235fc1e7a2
commit d355c37bed
1 changed files with 13 additions and 3 deletions
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16
tests/all_tests.nim
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@ -147,7 +147,7 @@ suite "Dagger hashimoto computation":
let
cache_size = 1024'u
full_size = 1024'u * 32
full_size = 1024 * 32
cache_str = "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
header_str = "~~~~~X~~~~~~~~~~~~~~~~~~~~~~~~~~"
@ -158,12 +158,21 @@ suite "Dagger hashimoto computation":
var header: Hash[256]
copyMem(addr header, unsafeAddr header_str[0], 256 div 8)
let full = calc_dataset(full_size, cache)
test "calc_data_set_item of item 0":
# # https://github.com/ethereum/ethash/blob/f5f0a8b1962544d2b6f40df8e4b0d9a32faf8f8e/test/c/test.cpp#L350-L374
# https://github.com/ethereum/ethash/blob/f5f0a8b1962544d2b6f40df8e4b0d9a32faf8f8e/test/c/test.cpp#L350-L374
let expected = toUpperASCII "b1698f829f90b35455804e5185d78f549fcb1bdce2bee006d4d7e68eb154b596be1427769eb1c3c3e93180c760af75f81d1023da6a0ffbe321c153a7c0103597"
check: $calc_dataset_item(cache, 0) == expected
test "Real dataset and recomputation from cache matches":
# https://github.com/ethereum/ethash/blob/f5f0a8b1962544d2b6f40df8e4b0d9a32faf8f8e/test/c/test.cpp#L360-L374
for i in 0 ..< full_size div sizeof(Hash[512]):
for j in 0 ..< 32:
let expected = calc_dataset_item(cache, j)
check: full[j] == expected
test "Light and full Hashimoto agree":
# https://github.com/ethereum/ethash/blob/f5f0a8b1962544d2b6f40df8e4b0d9a32faf8f8e/test/python/test_pyethash.py#L44-L58
@ -172,7 +181,8 @@ suite "Dagger hashimoto computation":
let
light_result = hashimoto_light(full_size, cache, header, 0)
dataset = calc_dataset(full_size, cache)
full_result = hashimoto_full(full_size, dataset, header, 0)
let full_result = hashimoto_full(full_size, dataset, header, 0)
# Check not null
var zero_array: array[8, uint32]