[market] Replace fulfillRequest() by fillSlot()

codex/contracts/market.nim

@@ -55,6 +55,12 @@ method fulfillRequest(market: OnChainMarket,
                       proof: seq[byte]) {.async.} =
   await market.contract.fulfillRequest(requestId, proof)
 
+method fillSlot(market: OnChainMarket,
+                requestId: array[32, byte],
+                slotIndex: UInt256,
+                proof: seq[byte]) {.async.} =
+  await market.contract.fillSlot(requestId, slotIndex, proof)
+
 method subscribeRequests(market: OnChainMarket,
                          callback: OnRequest):
                         Future[MarketSubscription] {.async.} =

codex/market.nim

@@ -35,6 +35,12 @@ method fulfillRequest*(market: Market,
                        proof: seq[byte]) {.base, async.} =
   raiseAssert("not implemented")
 
+method fillSlot*(market: Market,
+                 requestId: array[32, byte],
+                 slotIndex: UInt256,
+                 proof: seq[byte]) {.base, async.} =
+  raiseAssert("not implemented")
+
 method subscribeRequests*(market: Market,
                           callback: OnRequest):
                          Future[Subscription] {.base, async.} =

tests/contracts/examples.nim

@@ -17,7 +17,7 @@ proc example*(_: type StorageRequest): StorageRequest =
       duration: (10 * 60 * 60).u256, # 10 hours
       proofProbability: 4.u256, # require a proof roughly once every 4 periods
       reward: 84.u256,
-      slots: 42
+      slots: 4
     ),
     content: StorageContent(
       cid: "zb2rhheVmk3bLks5MgzTqyznLu1zqGH5jrfTA1eAZXrjx7Vob",

tests/contracts/testMarket.nim

@@ -12,12 +12,13 @@ ethersuite "On-Chain Market":
   var storage: Storage
   var token: TestToken
   var request: StorageRequest
+  var slotIndex: UInt256
 
   setup:
     let deployment = deployment()
     storage = Storage.new(!deployment.address(Storage), provider.getSigner())
     token = TestToken.new(!deployment.address(TestToken), provider.getSigner())
-    await token.mint(accounts[0], 1000.u256)
+    await token.mint(accounts[0], 1_000_000_000.u256)
 
     let collateral = await storage.collateralAmount()
     await token.approve(storage.address, collateral)
@@ -28,6 +29,8 @@ ethersuite "On-Chain Market":
     request = StorageRequest.example
     request.client = accounts[0]
 
+    slotIndex = (request.ask.slots div 2).u256
+
   test "fails to instantiate when contract does not have a signer":
     let storageWithoutSigner = storage.connect(provider)
     expect AssertionError:
@@ -37,19 +40,19 @@ ethersuite "On-Chain Market":
     check (await market.getSigner()) == (await provider.getSigner().getAddress())
 
   test "supports storage requests":
-    await token.approve(storage.address, request.ask.reward)
+    await token.approve(storage.address, request.price)
     check (await market.requestStorage(request)) == request
 
   test "sets client address when submitting storage request":
     var requestWithoutClient = request
     requestWithoutClient.client = Address.default
-    await token.approve(storage.address, request.ask.reward)
+    await token.approve(storage.address, request.price)
     let submitted = await market.requestStorage(requestWithoutClient)
     check submitted.client == accounts[0]
 
   test "can retrieve previously submitted requests":
     check (await market.getRequest(request.id)) == none StorageRequest
-    await token.approve(storage.address, request.ask.reward)
+    await token.approve(storage.address, request.price)
     discard await market.requestStorage(request)
     check (await market.getRequest(request.id)) == some request
 
@@ -60,42 +63,43 @@ ethersuite "On-Chain Market":
       receivedIds.add(id)
       receivedAsks.add(ask)
     let subscription = await market.subscribeRequests(onRequest)
-    await token.approve(storage.address, request.ask.reward)
+    await token.approve(storage.address, request.price)
     discard await market.requestStorage(request)
     check receivedIds == @[request.id]
     check receivedAsks == @[request.ask]
     await subscription.unsubscribe()
 
-  test "supports fulfilling of requests":
+  test "supports filling of slots":
-    await token.approve(storage.address, request.ask.reward)
+    await token.approve(storage.address, request.price)
     discard await market.requestStorage(request)
-    await market.fulfillRequest(request.id, proof)
+    await market.fillSlot(request.id, slotIndex, proof)
 
-  test "can retrieve host that fulfilled request":
+  test "can retrieve host that filled slot":
-    await token.approve(storage.address, request.ask.reward)
+    await token.approve(storage.address, request.price)
     discard await market.requestStorage(request)
-    check (await market.getHost(request.id)) == none Address
+    check (await market.getHost(request.slotId(slotIndex))) == none Address
-    await market.fulfillRequest(request.id, proof)
+    await market.fillSlot(request.id, slotIndex, proof)
-    check (await market.getHost(request.id)) == some accounts[0]
+    check (await market.getHost(request.slotId(slotIndex))) == some accounts[0]
 
   test "support fulfillment subscriptions":
-    await token.approve(storage.address, request.ask.reward)
+    await token.approve(storage.address, request.price)
     discard await market.requestStorage(request)
     var receivedIds: seq[array[32, byte]]
     proc onFulfillment(id: array[32, byte]) =
       receivedIds.add(id)
     let subscription = await market.subscribeFulfillment(request.id, onFulfillment)
-    await market.fulfillRequest(request.id, proof)
+    for slotIndex in 0..<request.ask.slots:
+      await market.fillSlot(request.id, slotIndex.u256, proof)
     check receivedIds == @[request.id]
     await subscription.unsubscribe()
 
-  test "subscribes only to fulfillmentof a certain request":
+  test "subscribes only to fulfillment of a certain request":
     var otherRequest = StorageRequest.example
     otherRequest.client = accounts[0]
 
-    await token.approve(storage.address, request.ask.reward)
+    await token.approve(storage.address, request.price)
     discard await market.requestStorage(request)
-    await token.approve(storage.address, otherrequest.ask.reward)
+    await token.approve(storage.address, otherrequest.price)
     discard await market.requestStorage(otherRequest)
 
     var receivedIds: seq[array[32, byte]]
@@ -104,8 +108,10 @@ ethersuite "On-Chain Market":
 
     let subscription = await market.subscribeFulfillment(request.id, onFulfillment)
 
-    await market.fulfillRequest(request.id, proof)
+    for slotIndex in 0..<request.ask.slots:
-    await market.fulfillRequest(otherRequest.id, proof)
+      await market.fillSlot(request.id, slotIndex.u256, proof)
+    for slotIndex in 0..<otherRequest.ask.slots:
+      await market.fillSlot(otherRequest.id, slotIndex.u256, proof)
 
     check receivedIds == @[request.id]