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Use well-known expiration attribute for SGs #205

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May 25, 2022
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Use well-known expiration attribute for SGs #205

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7 changes: 6 additions & 1 deletion proto-docs/storagegroup.md
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Expand Up @@ -30,12 +30,17 @@ that require payed storage guaranties are gathered in `StorageGroups` with
additional information used for proof of storage. `StorageGroup` only
contains objects from the same container.

Being an object payload, StorageGroup may have expiration Epoch set with
`__NEOFS__EXPIRATION_EPOCH` well-known attribute. When expired, StorageGroup
will be ignored by InnerRing nodes during Data Audit cycles and will be
deleted by Storage Nodes.


| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| validation_data_size | [uint64](#uint64) | | Total size of the payloads of objects in the storage group |
| validation_hash | [neo.fs.v2.refs.Checksum](#neo.fs.v2.refs.Checksum) | | Homomorphic hash from the concatenation of the payloads of the storage group members. The order of concatenation is the same as the order of the members in the `members` field. |
| expiration_epoch | [uint64](#uint64) | | Last NeoFS epoch number of the storage group lifetime |
| expiration_epoch | [uint64](#uint64) | | DEPRECATED. Last NeoFS epoch number of the storage group lifetime |
| members | [neo.fs.v2.refs.ObjectID](#neo.fs.v2.refs.ObjectID) | repeated | Strictly ordered list of storage group member objects |

<!-- end messages -->
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10 changes: 8 additions & 2 deletions storagegroup/types.proto
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Expand Up @@ -11,6 +11,12 @@ import "refs/types.proto";
// that require payed storage guaranties are gathered in `StorageGroups` with
// additional information used for proof of storage. `StorageGroup` only
// contains objects from the same container.
//
// Being an object payload, StorageGroup may have expiration Epoch set with
// `__NEOFS__EXPIRATION_EPOCH` well-known attribute. When expired, StorageGroup
// will be ignored by InnerRing nodes during Data Audit cycles and will be
// deleted by Storage Nodes.
//
message StorageGroup {
// Total size of the payloads of objects in the storage group
uint64 validation_data_size = 1 [json_name = "validationDataSize"];
Expand All @@ -20,8 +26,8 @@ message StorageGroup {
// members in the `members` field.
neo.fs.v2.refs.Checksum validation_hash = 2 [json_name = "validationHash"];

// Last NeoFS epoch number of the storage group lifetime
uint64 expiration_epoch = 3 [json_name = "expirationEpoch"];
// DEPRECATED. Last NeoFS epoch number of the storage group lifetime
uint64 expiration_epoch = 3 [json_name = "expirationEpoch", deprecated = true];

// Strictly ordered list of storage group member objects
repeated neo.fs.v2.refs.ObjectID members = 4 [json_name = "members"];
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