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multisig: fix #8537 seed restore (suggestions by @UkoeHB)

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- spend secret key is no longer the sum of multisig key shares;
no need to check that is the case upon restore.
- restoring a multisig wallet from multisig info means that the
wallet must have already completed all setup rounds. Upon restore,
set the number of rounds completed accordingly.
This commit is contained in:
j-berman 2022-09-01 16:25:28 -07:00
parent b6a029f222
commit 564a7a31e8
6 changed files with 26 additions and 11 deletions
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2
tests/unit_tests/multisig.cpp
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@ -171,7 +171,7 @@ static void make_wallets(std::vector<tools::wallet2>& wallets, unsigned int M)
{
ASSERT_TRUE(wallets.size() > 1 && wallets.size() <= KEYS_COUNT);
ASSERT_TRUE(M <= wallets.size());
std::uint32_t total_rounds_required = multisig::multisig_kex_rounds_required(wallets.size(), M) + 1;
std::uint32_t total_rounds_required = multisig::multisig_setup_rounds_required(wallets.size(), M);
std::uint32_t rounds_complete{0};
// initialize wallets, get first round multisig kex msgs