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state change update to persist changes between hook executions in the same otxn, not compiling

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This commit is contained in:
Richard Holland
2022-02-08 14:00:39 +00:00
parent 7596d8bbd0
commit f185f6418e
3 changed files with 222 additions and 174 deletions
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43
src/ripple/app/tx/applyHook.h
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@@ -32,7 +32,6 @@ enum HookSetOperation : int8_t
hsoUPDATE = 5
};
namespace hook
{
struct HookContext;
@@ -40,6 +39,13 @@ namespace hook
bool isEmittedTxn(ripple::STTx const& tx);
// this map type acts as both a read and write cache for hook execution
using HookStateMap = std::map<ripple::AccountID, // account that owns the state
std::map<ripple::uint256, // namespace
std::map<ripple::uint256, // key
std::pair<
bool, // is modified from ledger value
ripple::Blob>>>>; // the value
namespace log
{
@@ -410,6 +416,7 @@ namespace hook
std::vector<uint8_t>,
std::vector<uint8_t>
>> const& hookParamOverrides,
std::shared_ptr<HookStateMap>& stateMap,
ripple::ApplyContext& applyCtx,
ripple::AccountID const& account, /* the account the hook is INSTALLED ON not always the otxn account */
bool callback = false,
@@ -441,14 +448,8 @@ namespace hook
ripple::uint256 const& hookNamespace;
std::queue<std::shared_ptr<ripple::Transaction>> emittedTxn {}; // etx stored here until accept/rollback
std::shared_ptr<
std::map<ripple::AccountID, // account to whom the state belongs
std::map<ripple::uint256, // namespace
std::map<ripple::uint256, // state key
std::pair<
bool, // has been modified
ripple::Blob>>>>> // actual state data
changedState;
std::shared_ptr<HookStateMap> stateMap;
uint16_t changedStateCount = 0;
std::map<
ripple::uint256, // hook hash
std::map<
@@ -514,18 +515,26 @@ namespace hook
ripple::uint256 const & key,
ripple::Slice const& data);
// commit changes to ledger flags
enum cclFlags : uint8_t {
cclREMOVE = 0b10U,
cclAPPLY = 0b01U
};
// finalize the changes the hook made to the ledger
void commitChangesToLedger( hook::HookResult& hookResult, ripple::ApplyContext&, uint8_t );
// write hook execution metadata and remove emitted transaction ledger entries
ripple::TER
finalizeHookResult(
hook::HookResult& hookResult,
ripple::ApplyContext&,
bool doEmit);
// write state map to ledger
ripple::TER
finalizeHookState(
std::shared_ptr<HookStateMap>&,
ripple::ApplyContext&);
// if the txn being executed was an emitted txn then this removes it from the emission directory
ripple::TER
removeEmissionEntry(
ripple::ApplyContext& applyCtx);
// RH TODO: call destruct for these on rippled shutdown
#define ADD_HOOK_FUNCTION(F, ctx)\
{\
WasmEdge_FunctionInstanceContext* hf = WasmEdge_FunctionInstanceCreate(\