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E8.M3 — PlayerTradeAndMarketplace

Summary

Field Value
Module ID E8.M3
Epic Epic 8 — Social / Guild
Stage target Pre-production
Status Planned (see dependency register)

Purpose

Listings, direct trade, purchases, and atomic server settlement for player economy, grounded in E3.M3 and policy from E3.M5.

Responsibilities

  • MarketListing / TradeOffer validation; SettlementEvent with duplication and cancel-edge coverage.

Key contracts

Contract Role
MarketListing Seller, item, price, fees.
TradeOffer Bilateral trade window state.
SettlementEvent Completed exchange audit.

Module dependencies

  • E3.M3 — ItemizationAndInventorySchema.
  • E3.M5 — EconomyBalancePolicy.

Dependents (by design)

  • E3.M4 — SinkAndDurabilityLifecycle (epic coupling).
  • Integrity and fraud telemetry.

Related implementation slices

Epic 8 Slice 2 — trade_completed, listing_created, purchase_completed, fraud flags.

Source anchors