Smart Contracts

Coston2 Testnet (Chain ID 114)

KatangaMarket

0x2c87D6ce66764AD63446b75DE580B2f8Aa0dD64a

Supplier registration, listing CRUD, category index, negotiation, premium staking, rate limiting.

registerSupplier(metadataURI)

payable

createListing(categoryHash, priceUSD, metadataURI, regions, days)

Create a product listing

write

updateListing(id, priceUSD, metadataURI, regions, days)

Update listing details

write

deactivateListing(id)

Mark listing inactive

write

createIntent(listingId, proposedPrice)

Buyer proposes a price

write

counterIntent(intentId, counterPrice)

Supplier counters

write

acceptIntent(intentId)

Accept negotiated price

write

stakeListing(listingId)

Boost listing with FLR stake

payable

deregisterSupplier()

Exit protocol, reclaim stake

write

getListing(id)

Read listing data

view

getListingsByCategory(hash, offset, limit)

Query by category

view

getSupplier(address)

Read supplier data

view

KatangaEscrow

0x5a1BEB6425f700d0E3d02F9b6Ba954E1c7782250

Payment lock/release, full lifecycle, disputes, timeout, partial refunds.

createEscrow(listingId, qty, shippingHash, token, amount)

Lock payment for purchase

write

acceptOrder(escrowId)

Supplier accepts order

write

markShipped(escrowId, trackingHash)

Mark order as shipped

write

confirmDelivery(escrowId)

Buyer confirms, releases funds

write

cancelOrder(escrowId)

Cancel before acceptance

write

openDispute(escrowId, reason)

Buyer disputes within 7 days

write

resolveDispute(escrowId, buyerWins)

Owner resolves dispute

write

partialRefund(escrowId, buyerPct)

Split funds by percentage

write

claimTimeout(escrowId)

Auto-release after 14 days

write

KatangaReputation

0x8ec32486dD83bc4AE8eBdEd57CC4B3DC4f1a6cC5

On-chain reputation scoring, volume tiers, escrow-only write access.

getScore(supplier)

Full score data (orders, disputes, volume)

view

getReputationScore(supplier)

Score 0-100

view

recordCompletion(supplier, value)

Escrow-only: record completed order

write

recordDispute(supplier)

Escrow-only: record dispute

write