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test: Check against sizelimit and sigoplimit for init_generation and append_coinbase_safe

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This commit is contained in:
Luke Dashjr
2016-08-11 23:31:02 +00:00
parent c1a159d417
commit 9bb03c6cf3
1 changed files with 29 additions and 8 deletions
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37
test.c
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@@ -1040,11 +1040,25 @@ static void test_blkmk_init_generation() {
assert(tmpl->cbtxn->datasz == 70);
assert(!memcmp(tmpl->cbtxn->data, "\x01\0\0\0\x01\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\xff\xff\xff\xff\x05\x04\0\x5a\x62\x02\xff\xff\xff\xff\x01\0\x10\0\0\x01\x51\0\0\x05\x04" "test\0\0\0\0", tmpl->cbtxn->datasz));
tmpl->sizelimit = 151;
assert(blkmk_init_generation3(tmpl, "\x04" "test", 5, &newcb));
assert(!blkmk_init_generation3(tmpl, "\x05" "testx", 6, &newcb));
tmpl->sizelimit = 10000;
tmpl->sigoplimit = 1;
assert(blkmk_init_generation3(tmpl, "\x05" "testx", 6, &newcb));
assert(blkmk_init_generation3(tmpl, "\x05" "testx\xac", 7, &newcb));
assert(!blkmk_init_generation3(tmpl, "\x05" "testx\xac\xac", 8, &newcb));
tmpl->sigoplimit = 21;
assert(blkmk_init_generation3(tmpl, "\x05" "testx\xac\xac", 8, &newcb));
assert(blkmk_init_generation3(tmpl, "\x05" "testx\xac\xae", 8, &newcb));
assert(!blkmk_init_generation3(tmpl, "\x05" "testx\xac\xae\xac", 9, &newcb));
blktmpl_free(tmpl);
}
static void test_blkmk_append_coinbase_safe() {
blktemplate_t *tmpl;
bool newcb;
static const uint8_t lots_of_zero[100] = {0};
tmpl = blktmpl_create();
@@ -1074,25 +1088,32 @@ static void test_blkmk_append_coinbase_safe() {
// With 99-byte extranonce, we're already beyond the limit
assert(blkmk_append_coinbase_safe2(tmpl, "", 1, 99, true) <= 0);
// This should just barely break the limit
assert(blkmk_append_coinbase_safe2(tmpl, "", 1, 100 - tmpl->cbtxn->data[41], true) <= 0);
assert(blkmk_append_coinbase_safe2(tmpl, "", 1, 100 - tmpl->cbtxn->data[41], true) == 0);
// This should be okay
assert(blkmk_append_coinbase_safe2(tmpl, "", 1, 100 - tmpl->cbtxn->data[41] - 1, true) >= 1);
assert(blkmk_append_coinbase_safe2(tmpl, "", 1, 100 - tmpl->cbtxn->data[41] - 1, true) == 1);
// Up to 21 sigops is okay
assert(blkmk_append_coinbase_safe2(tmpl, "\xae", 1, 3, true) >= 1);
assert(blkmk_append_coinbase_safe2(tmpl, "\xac", 1, 3, true) >= 1);
// But 22 should hit the limit
assert(blkmk_append_coinbase_safe2(tmpl, "\xac", 1, 3, true) <= 0);
assert(blkmk_append_coinbase_safe2(tmpl, "\xac", 1, 3, true) < 0);
// Non-sigop stuff is fine to continue
assert(blkmk_append_coinbase_safe2(tmpl, "", 1, 3, true) >= 1);
const uint8_t padsz = 100 - tmpl->cbtxn->data[41] - 3;
assert(blkmk_append_coinbase_safe2(tmpl, lots_of_zero, padsz, 3, true) >= padsz);
assert(blkmk_append_coinbase_safe2(tmpl, lots_of_zero, padsz, 3, true) == padsz);
// One too many
assert(blkmk_append_coinbase_safe2(tmpl, "", 1, 3, true) <= 0);
assert(blkmk_append_coinbase_safe2(tmpl, "", 1, 3, true) == 0);
// Becomes okay if we reduce extranonce size
assert(blkmk_append_coinbase_safe2(tmpl, "", 1, 2, true) >= 1);
assert(blkmk_append_coinbase_safe2(tmpl, lots_of_zero, 2, 0, true) >= 2);
assert(blkmk_append_coinbase_safe2(tmpl, "", 1, 2, true) == 1);
assert(blkmk_append_coinbase_safe2(tmpl, lots_of_zero, 2, 0, true) == 2);
// Totally full now
assert(blkmk_append_coinbase_safe2(tmpl, "", 1, 0, true) <= 0);
assert(blkmk_append_coinbase_safe2(tmpl, "", 1, 0, true) == 0);
newcb = true;
assert(blkmk_init_generation3(tmpl, NULL, 0, &newcb));
tmpl->sizelimit = tmpl->cbtxn->datasz + 81 + 5;
assert(blkmk_append_coinbase_safe2(tmpl, "\x04" "test", 5, 0, true) == 5);
assert(blkmk_init_generation3(tmpl, NULL, 0, &newcb));
assert(blkmk_append_coinbase_safe2(tmpl, "\x05" "testx", 6, 0, true) == 5);
blktmpl_free(tmpl);
}