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DFI2203 Futures #1155

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merged 12 commits into from
Mar 28, 2022
Merged

DFI2203 Futures #1155

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5f8a4d5
DFI2203 Futures
Bushstar Mar 22, 2022
fbe4bd9
Merge branch 'master' into dfip2203-futures
prasannavl Mar 23, 2022
2a137e5
Add withdrawfutureswap
Bushstar Mar 24, 2022
b11bec5
Add swap refund on disable and safety to block period change.
Bushstar Mar 25, 2022
8580004
Use live price on future swap, refund contracts with no live price.
Bushstar Mar 25, 2022
2f30ada
tests: Set DFIP2203 Gov var in consistent manner
Bushstar Mar 25, 2022
0daecaa
Minor updates
Bushstar Mar 28, 2022
2e653f9
Store future swap destination amount
Bushstar Mar 28, 2022
47b4eff
Run unpaid contract test
Bushstar Mar 28, 2022
96e6666
Store height contract filled
Bushstar Mar 28, 2022
bdf4843
Add RPC call to view future swap history
Bushstar Mar 28, 2022
dccbd79
Add destination to RPC example for futureswap
Bushstar Mar 28, 2022
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4 changes: 4 additions & 0 deletions src/chainparams.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -245,6 +245,7 @@ class CMainParams : public CChainParams {

consensus.smartContracts.clear();
consensus.smartContracts[SMART_CONTRACT_DFIP_2201] = GetScriptForDestination(CTxDestination(WitnessV0KeyHash(std::vector<unsigned char>{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0})));
consensus.smartContracts[SMART_CONTRACT_DFIP_2203] = GetScriptForDestination(CTxDestination(WitnessV0KeyHash(std::vector<unsigned char>{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1})));

// owner base58, operator base58
vMasternodes.push_back({"8PuErAcazqccCVzRcc8vJ3wFaZGm4vFbLe", "8J846CKFF83Jcj5m4EReJmxiaJ6Jy1Y6Ea"});
Expand Down Expand Up @@ -462,6 +463,7 @@ class CTestNetParams : public CChainParams {

consensus.smartContracts.clear();
consensus.smartContracts[SMART_CONTRACT_DFIP_2201] = GetScriptForDestination(CTxDestination(WitnessV0KeyHash(std::vector<unsigned char>{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0})));
consensus.smartContracts[SMART_CONTRACT_DFIP_2203] = GetScriptForDestination(CTxDestination(WitnessV0KeyHash(std::vector<unsigned char>{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1})));

// owner base58, operator base58
vMasternodes.push_back({"7LMorkhKTDjbES6DfRxX2RiNMbeemUkxmp", "7KEu9JMKCx6aJ9wyg138W3p42rjg19DR5D"});
Expand Down Expand Up @@ -644,6 +646,7 @@ class CDevNetParams : public CChainParams {

consensus.smartContracts.clear();
consensus.smartContracts[SMART_CONTRACT_DFIP_2201] = GetScriptForDestination(CTxDestination(WitnessV0KeyHash(std::vector<unsigned char>{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0})));
consensus.smartContracts[SMART_CONTRACT_DFIP_2203] = GetScriptForDestination(CTxDestination(WitnessV0KeyHash(std::vector<unsigned char>{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1})));

// owner base58, operator base58
vMasternodes.push_back({"7M3g9CSERjLdXisE5pv2qryDbURUj9Vpi1", "7Grgx69MZJ4wDKRx1bBxLqTnU9T3quKW7n"});
Expand Down Expand Up @@ -832,6 +835,7 @@ class CRegTestParams : public CChainParams {

consensus.smartContracts.clear();
consensus.smartContracts[SMART_CONTRACT_DFIP_2201] = GetScriptForDestination(CTxDestination(WitnessV0KeyHash(std::vector<unsigned char>{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0})));
consensus.smartContracts[SMART_CONTRACT_DFIP_2203] = GetScriptForDestination(CTxDestination(WitnessV0KeyHash(std::vector<unsigned char>{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1})));

// owner base58, operator base58
vMasternodes.push_back({"mwsZw8nF7pKxWH8eoKL9tPxTpaFkz7QeLU", "mswsMVsyGMj1FzDMbbxw2QW3KvQAv2FKiy"});
Expand Down
1 change: 1 addition & 0 deletions src/chainparams.h
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Expand Up @@ -120,6 +120,7 @@ class CChainParams
};

const auto SMART_CONTRACT_DFIP_2201 = "DFIP2201";
const auto SMART_CONTRACT_DFIP_2203 = "DFIP2203";

/**
* Creates and returns a std::unique_ptr<CChainParams> of the chosen chain.
Expand Down
34 changes: 34 additions & 0 deletions src/masternodes/accounts.cpp
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Expand Up @@ -98,3 +98,37 @@ uint32_t CAccountsView::GetBalancesHeight(CScript const & owner)
bool ok = ReadBy<ByHeightKey>(owner, height);
return ok ? height : 0;
}

Res CAccountsView::StoreFuturesUserValues(const CFuturesUserKey& key, const CFuturesUserValue& futures)
{
if (!WriteBy<ByFuturesKey>(key, futures)) {
return Res::Err("Failed to store futures");
}

return Res::Ok();
}

void CAccountsView::ForEachFuturesUserValues(std::function<bool(const CFuturesUserKey&, const CFuturesUserValue&)> callback, const CFuturesUserKey& start)
{
ForEach<ByFuturesKey, CFuturesUserKey, CFuturesUserValue>(callback, start);
}

Res CAccountsView::EraseFuturesUserValues(const CFuturesUserKey& key)
{
if (!EraseBy<ByFuturesKey>(key)) {
return Res::Err("Failed to erase futures");
}

return Res::Ok();
}

boost::optional<uint32_t> CAccountsView::GetMostRecentFuturesHeight()
{
const CFuturesUserKey key{std::numeric_limits<uint32_t>::max(), {}, std::numeric_limits<uint32_t>::max()};
auto it = LowerBound<ByFuturesKey>(key);
if (it.Valid()) {
return it.Key().height;
}

return {};
}
48 changes: 48 additions & 0 deletions src/masternodes/accounts.h
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Expand Up @@ -11,6 +11,48 @@
#include <amount.h>
#include <script/script.h>

struct CFuturesUserKey {
uint32_t height;
CScript owner;
uint32_t txn;

ADD_SERIALIZE_METHODS;

template <typename Stream, typename Operation>
inline void SerializationOp(Stream& s, Operation ser_action) {
if (ser_action.ForRead()) {
READWRITE(WrapBigEndian(height));
height = ~height;
READWRITE(owner);
READWRITE(WrapBigEndian(txn));
txn = ~txn;
} else {
uint32_t height_ = ~height;
READWRITE(WrapBigEndian(height_));
READWRITE(owner);
uint32_t txn_ = ~txn;
READWRITE(WrapBigEndian(txn_));
}
}

bool operator<(const CFuturesUserKey& o) const {
return std::tie(height, owner, txn) < std::tie(o.height, o.owner, o.txn);
}
};

struct CFuturesUserValue {
CTokenAmount source{};
uint32_t destination{};

ADD_SERIALIZE_METHODS;

template <typename Stream, typename Operation>
inline void SerializationOp(Stream& s, Operation ser_action) {
READWRITE(source);
READWRITE(destination);
}
};

class CAccountsView : public virtual CStorageView
{
public:
Expand All @@ -27,9 +69,15 @@ class CAccountsView : public virtual CStorageView
uint32_t GetBalancesHeight(CScript const & owner);
Res UpdateBalancesHeight(CScript const & owner, uint32_t height);

Res StoreFuturesUserValues(const CFuturesUserKey& key, const CFuturesUserValue& futures);
Res EraseFuturesUserValues(const CFuturesUserKey& key);
boost::optional<uint32_t> GetMostRecentFuturesHeight();
void ForEachFuturesUserValues(std::function<bool(const CFuturesUserKey&, const CFuturesUserValue&)> callback, const CFuturesUserKey& start = {});

// tags
struct ByBalanceKey { static constexpr uint8_t prefix() { return 'a'; } };
struct ByHeightKey { static constexpr uint8_t prefix() { return 'b'; } };
struct ByFuturesKey { static constexpr uint8_t prefix() { return 'J'; } };

private:
Res SetBalance(CScript const & owner, CTokenAmount amount);
Expand Down
17 changes: 17 additions & 0 deletions src/masternodes/balances.h
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Expand Up @@ -224,6 +224,23 @@ struct CSmartContractMessage {
}
};

struct CFutureSwapMessage {
CScript owner;
CTokenAmount source{};
uint32_t destination{};
bool withdraw{};

ADD_SERIALIZE_METHODS;

template <typename Stream, typename Operation>
inline void SerializationOp(Stream& s, Operation ser_action) {
READWRITE(owner);
READWRITE(source);
READWRITE(destination);
READWRITE(withdraw);
}
};

inline CBalances SumAllTransfers(CAccounts const & to) {
CBalances sum;
for (const auto& kv : to) {
Expand Down
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