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XDR for RestoreFootprintOp #120

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merged 4 commits into from
Jun 22, 2023
Merged

XDR for RestoreFootprintOp #120

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6a51e23
XDR for RestoreFootprintOp
sisuresh Jun 22, 2023
3e302d6
Merge branch 'next' into restore
sisuresh Jun 22, 2023
3790741
Use extension point instead
sisuresh Jun 22, 2023
976be2f
Merge branch 'next' into restore
sisuresh Jun 22, 2023
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46 changes: 38 additions & 8 deletions Stellar-transaction.x
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Original file line number Diff line number Diff line change
Expand Up @@ -63,7 +63,8 @@ enum OperationType
LIQUIDITY_POOL_DEPOSIT = 22,
LIQUIDITY_POOL_WITHDRAW = 23,
INVOKE_HOST_FUNCTION = 24,
BUMP_FOOTPRINT_EXPIRATION = 25
BUMP_FOOTPRINT_EXPIRATION = 25,
RESTORE_FOOTPRINT = 26
};

/* CreateAccount
Expand Down Expand Up @@ -585,23 +586,28 @@ struct InvokeHostFunctionOp
SorobanAuthorizationEntry auth<>;
};

enum BumpFootprintExpirationType
{
BUMP_FOOTPRINT_EXPIRATION_UNIFORM = 0
};

/* Bump the expiration ledger of the entries specified in the readOnly footprint
so they'll expire at least ledgersToExpire ledgers from lcl.

Threshold: med
Result: BumpFootprintExpirationResult
*/
union BumpFootprintExpirationOp switch (BumpFootprintExpirationType type)
struct BumpFootprintExpirationOp
{
case BUMP_FOOTPRINT_EXPIRATION_UNIFORM:
ExtensionPoint ext;
uint32 ledgersToExpire;
};

/* Restore the expired or evicted entries specified in the readWrite footprint.

Threshold: med
Result: RestoreFootprintOp
*/
struct RestoreFootprintOp
{
ExtensionPoint ext;
};

/* An operation is the lowest unit of work that a transaction does */
struct Operation
{
Expand Down Expand Up @@ -664,6 +670,8 @@ struct Operation
InvokeHostFunctionOp invokeHostFunctionOp;
case BUMP_FOOTPRINT_EXPIRATION:
BumpFootprintExpirationOp bumpFootprintExpirationOp;
case RESTORE_FOOTPRINT:
RestoreFootprintOp restoreFootprintOp;
}
body;
};
Expand Down Expand Up @@ -1813,6 +1821,26 @@ union BumpFootprintExpirationResult switch (BumpFootprintExpirationResultCode co
case BUMP_FOOTPRINT_EXPIRATION_SUCCESS:
void;
case BUMP_FOOTPRINT_EXPIRATION_MALFORMED:
case BUMP_FOOTPRINT_EXPIRATION_RESOURCE_LIMIT_EXCEEDED:
void;
};

enum RestoreFootprintResultCode
{
// codes considered as "success" for the operation
RESTORE_FOOTPRINT_SUCCESS = 0,

// codes considered as "failure" for the operation
RESTORE_FOOTPRINT_MALFORMED = -1,
RESTORE_FOOTPRINT_RESOURCE_LIMIT_EXCEEDED = -2
};

union RestoreFootprintResult switch (RestoreFootprintResultCode code)
{
case RESTORE_FOOTPRINT_SUCCESS:
void;
case RESTORE_FOOTPRINT_MALFORMED:
case RESTORE_FOOTPRINT_RESOURCE_LIMIT_EXCEEDED:
void;
};

Expand Down Expand Up @@ -1886,6 +1914,8 @@ case opINNER:
InvokeHostFunctionResult invokeHostFunctionResult;
case BUMP_FOOTPRINT_EXPIRATION:
BumpFootprintExpirationResult bumpFootprintExpirationResult;
case RESTORE_FOOTPRINT:
RestoreFootprintResult restoreFootprintResult;
}
tr;
case opBAD_AUTH:
Expand Down