feat(lp): track LP allocations per key and add TVL reporting endpoint (#943) - #954
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…accesslayerorg#943) Record protocol-owned liquidity from bonding-curve buys and expose it via per-key and protocol-wide endpoints. - Add LpAllocation model (creatorId, amountXlm, ledger, txHash, eventIndex, allocatedAt) with a (txHash, eventIndex) unique constraint for idempotent event replay. - Add processLpAllocationEvents indexer handler for the LPAllocationSent contract event; validates required fields, skips duplicates, and invalidates the affected key's and admin's caches. - Add GET /keys/:keyId/lp-stats — total LP contributed and current LP balance per key, cached 60s. - Add GET /keys/:keyId/lp-history?limit=&cursor= — cursor-paginated LP contribution history, newest first. - Add GET /admin/lp-overview — protocol-owned liquidity aggregated across all keys, cached 60s, admin-only. - Add integration tests covering event recording, idempotency, missing-field handling, per-key stats, admin aggregation, cache invalidation, and pagination. Note: no "LP removed" contract event exists in scope yet, so currentLpBalanceXlm currently equals totalLpContributedXlm. Closes accesslayerorg#943
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Add a new optional field 'cursor' to lpHistoryQuerySchema.
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Record protocol-owned liquidity from bonding-curve buys and expose it
via per-key and protocol-wide endpoints.
eventIndex, allocatedAt) with a (txHash, eventIndex) unique
constraint for idempotent event replay.
LPAllocationSent contract event; validates required fields, skips
duplicates, and invalidates the affected key's and admin's caches.
balance per key, cached 60s.
contribution history, newest first.
across all keys, cached 60s, admin-only.
missing-field handling, per-key stats, admin aggregation, cache
invalidation, and pagination.
Note: no "LP removed" contract event exists in scope yet, so
currentLpBalanceXlm currently equals totalLpContributedXlm.
Closes #943