diff --git a/codex/contracts/market.nim b/codex/contracts/market.nim
index 89e7e25e..400ba2c0 100644
--- a/codex/contracts/market.nim
+++ b/codex/contracts/market.nim
@@ -31,6 +31,9 @@ method getSigner*(market: OnChainMarket): Future[Address] {.async.} =
 method myRequests*(market: OnChainMarket): Future[seq[RequestId]] {.async.} =
   return await market.contract.myRequests
 
+method mySlots*(market: OnChainMarket): Future[seq[SlotId]] {.async.} =
+  return await market.contract.mySlots
+
 method requestStorage(market: OnChainMarket,
                       request: StorageRequest):
                      Future[StorageRequest] {.async.} =
@@ -66,6 +69,14 @@ method getHost(market: OnChainMarket,
   else:
     return none Address
 
+method getSlot(market: OnChainMarket, slotId: SlotId): Future[?Slot] {.async.} =
+  try:
+    return some await market.contract.getSlot(slotId)
+  except ProviderError as e:
+    if e.revertReason.contains("Slot empty"):
+      return none Slot
+    raise e
+
 method fillSlot(market: OnChainMarket,
                 requestId: RequestId,
                 slotIndex: UInt256,
diff --git a/codex/contracts/requests.nim b/codex/contracts/requests.nim
index a0f4a12d..a0c6fd1c 100644
--- a/codex/contracts/requests.nim
+++ b/codex/contracts/requests.nim
@@ -39,6 +39,12 @@ type
     Cancelled
     Finished
     Failed
+  Slot* = object
+    host*: Address
+    hostPaid*: bool
+    requestId*: RequestId
+    slotIndex*: UInt256
+    proof*: seq[byte]
 
 proc `==`*(x, y: Nonce): bool {.borrow.}
 proc `==`*(x, y: RequestId): bool {.borrow.}
@@ -48,6 +54,9 @@ proc hash*(x: SlotId): Hash {.borrow.}
 func toArray*(id: RequestId | SlotId | Nonce): array[32, byte] =
   array[32, byte](id)
 
+proc `$`*(id: RequestId | SlotId | Nonce): string =
+  id.toArray.toHex
+
 func fromTuple(_: type StorageRequest, tupl: tuple): StorageRequest =
   StorageRequest(
     client: tupl[0],
@@ -57,6 +66,13 @@ func fromTuple(_: type StorageRequest, tupl: tuple): StorageRequest =
     nonce: tupl[4]
   )
 
+func fromTuple(_: type Slot, tupl: tuple): Slot =
+  Slot(
+    host: tupl[0],
+    hostPaid: tupl[1],
+    requestId: tupl[2]
+  )
+
 func fromTuple(_: type StorageAsk, tupl: tuple): StorageAsk =
   StorageAsk(
     slots: tupl[0],
@@ -122,6 +138,9 @@ func encode*(encoder: var AbiEncoder, id: RequestId | SlotId | Nonce) =
 func encode*(encoder: var AbiEncoder, request: StorageRequest) =
   encoder.write(request.fieldValues)
 
+func encode*(encoder: var AbiEncoder, slot: Slot) =
+  encoder.write(slot.fieldValues)
+
 func decode*[T: RequestId | SlotId | Nonce](decoder: var AbiDecoder,
                                             _: type T): ?!T =
   let nonce = ?decoder.read(type array[32, byte])
@@ -147,6 +166,10 @@ func decode*(decoder: var AbiDecoder, T: type StorageRequest): ?!T =
   let tupl = ?decoder.read(StorageRequest.fieldTypes)
   success StorageRequest.fromTuple(tupl)
 
+func decode*(decoder: var AbiDecoder, T: type Slot): ?!T =
+  let tupl = ?decoder.read(Slot.fieldTypes)
+  success Slot.fromTuple(tupl)
+
 func id*(request: StorageRequest): RequestId =
   let encoding = AbiEncoder.encode((request, ))
   RequestId(keccak256.digest(encoding).data)
diff --git a/codex/contracts/storage.nim b/codex/contracts/storage.nim
index b83a4988..03c9fe7e 100644
--- a/codex/contracts/storage.nim
+++ b/codex/contracts/storage.nim
@@ -43,8 +43,10 @@ proc withdrawFunds*(storage: Storage, requestId: RequestId) {.contract.}
 proc payoutSlot*(storage: Storage, requestId: RequestId, slotIndex: UInt256) {.contract.}
 proc getRequest*(storage: Storage, id: RequestId): StorageRequest {.contract, view.}
 proc getHost*(storage: Storage, id: SlotId): Address {.contract, view.}
+proc getSlot*(storage: Storage, id: SlotId): Slot {.contract, view.}
 
 proc myRequests*(storage: Storage): seq[RequestId] {.contract, view.}
+proc mySlots*(storage: Storage): seq[SlotId] {.contract, view.}
 proc state*(storage: Storage, requestId: RequestId): RequestState {.contract, view.}
 proc requestEnd*(storage: Storage, requestId: RequestId): SecondsSince1970 {.contract, view.}
 
diff --git a/codex/market.nim b/codex/market.nim
index 4e719b23..757c952b 100644
--- a/codex/market.nim
+++ b/codex/market.nim
@@ -12,11 +12,11 @@ export SecondsSince1970
 type
   Market* = ref object of RootObj
   Subscription* = ref object of RootObj
-  OnRequest* = proc(id: RequestId, ask: StorageAsk) {.gcsafe, upraises:[].}
-  OnFulfillment* = proc(requestId: RequestId) {.gcsafe, upraises: [].}
-  OnSlotFilled* = proc(requestId: RequestId, slotIndex: UInt256) {.gcsafe, upraises:[].}
-  OnRequestCancelled* = proc(requestId: RequestId) {.gcsafe, upraises:[].}
-  OnRequestFailed* = proc(requestId: RequestId) {.gcsafe, upraises:[].}
+  OnRequest* = proc(id: RequestId, ask: StorageAsk): Future[void] {.gcsafe, upraises:[].}
+  OnFulfillment* = proc(requestId: RequestId): Future[void] {.gcsafe, upraises: [].}
+  OnSlotFilled* = proc(requestId: RequestId, slotIndex: UInt256): Future[void] {.gcsafe, upraises:[].}
+  OnRequestCancelled* = proc(requestId: RequestId): Future[void] {.gcsafe, upraises:[].}
+  OnRequestFailed* = proc(requestId: RequestId): Future[void] {.gcsafe, upraises:[].}
 
 method getSigner*(market: Market): Future[Address] {.base, async.} =
   raiseAssert("not implemented")
@@ -29,6 +29,9 @@ method requestStorage*(market: Market,
 method myRequests*(market: Market): Future[seq[RequestId]] {.base, async.} =
   raiseAssert("not implemented")
 
+method mySlots*(market: Market): Future[seq[SlotId]] {.base, async.} =
+  raiseAssert("not implemented")
+
 method getRequest*(market: Market,
                    id: RequestId):
                   Future[?StorageRequest] {.base, async.} =
@@ -47,6 +50,10 @@ method getHost*(market: Market,
                 slotIndex: UInt256): Future[?Address] {.base, async.} =
   raiseAssert("not implemented")
 
+method getSlot*(market: Market,
+                slotId: SlotId): Future[?Slot] {.base, async.} =
+  raiseAssert("not implemented")
+
 method fillSlot*(market: Market,
                  requestId: RequestId,
                  slotIndex: UInt256,
diff --git a/tests/codex/helpers/mockmarket.nim b/tests/codex/helpers/mockmarket.nim
index f00503e8..22e28070 100644
--- a/tests/codex/helpers/mockmarket.nim
+++ b/tests/codex/helpers/mockmarket.nim
@@ -9,6 +9,7 @@ export tables
 type
   MockMarket* = ref object of Market
     activeRequests*: Table[Address, seq[RequestId]]
+    activeSlots*: Table[Address, seq[SlotId]]
     requested*: seq[StorageRequest]
     requestEnds*: Table[RequestId, SecondsSince1970]
     state*: Table[RequestId, RequestState]
@@ -21,11 +22,6 @@ type
     requestId*: RequestId
     proof*: seq[byte]
     host*: Address
-  Slot* = object
-    requestId*: RequestId
-    slotIndex*: UInt256
-    proof*: seq[byte]
-    host*: Address
   Subscriptions = object
     onRequest: seq[RequestSubscription]
     onFulfillment: seq[FulfillmentSubscription]
@@ -77,6 +73,9 @@ method requestStorage*(market: MockMarket,
 method myRequests*(market: MockMarket): Future[seq[RequestId]] {.async.} =
   return market.activeRequests[market.signer]
 
+method mySlots*(market: MockMarket): Future[seq[SlotId]] {.async.} =
+  return market.activeSlots[market.signer]
+
 method getRequest(market: MockMarket,
                   id: RequestId): Future[?StorageRequest] {.async.} =
   for request in market.requested:
@@ -92,7 +91,7 @@ method getRequestEnd*(market: MockMarket,
                       id: RequestId): Future[SecondsSince1970] {.async.} =
   return market.requestEnds[id]
 
-method getHost(market: MockMarket,
+method getHost*(market: MockMarket,
                requestId: RequestId,
                slotIndex: UInt256): Future[?Address] {.async.} =
   for slot in market.filled:
diff --git a/vendor/dagger-contracts b/vendor/dagger-contracts
index 61b8f5fc..5d428dd2 160000
--- a/vendor/dagger-contracts
+++ b/vendor/dagger-contracts
@@ -1 +1 @@
-Subproject commit 61b8f5fc352838866b0fe27b936323de45bf269c
+Subproject commit 5d428dd2c79a8f62b5944eb99d75ee79a41e13d5