diff --git a/dagger/contracts/market.nim b/dagger/contracts/market.nim
index 7b95b014..71ea5557 100644
--- a/dagger/contracts/market.nim
+++ b/dagger/contracts/market.nim
@@ -59,7 +59,7 @@ method subscribeRequests(market: OnChainMarket,
                          callback: OnRequest):
                         Future[MarketSubscription] {.async.} =
   proc onEvent(event: StorageRequested) {.upraises:[].} =
-    callback(event.request)
+    callback(event.requestId, event.ask)
   let subscription = await market.contract.subscribe(StorageRequested, onEvent)
   return OnChainMarketSubscription(eventSubscription: subscription)
 
diff --git a/dagger/contracts/requests.nim b/dagger/contracts/requests.nim
index c88a3b4a..0172701d 100644
--- a/dagger/contracts/requests.nim
+++ b/dagger/contracts/requests.nim
@@ -8,36 +8,116 @@ export contractabi
 type
   StorageRequest* = object
     client*: Address
-    duration*: UInt256
-    size*: UInt256
-    contentHash*: array[32, byte]
-    proofProbability*: UInt256
-    maxPrice*: UInt256
+    ask*: StorageAsk
+    content*: StorageContent
     expiry*: UInt256
     nonce*: array[32, byte]
+  StorageAsk* = object
+    size*: UInt256
+    duration*: UInt256
+    proofProbability*: UInt256
+    maxPrice*: UInt256
+  StorageContent* = object
+    cid*: string
+    erasure*: StorageErasure
+    por*: StoragePoR
+  StorageErasure* = object
+    totalChunks*: uint64
+    totalNodes*: uint64
+    nodeId*: uint64
+  StoragePoR* = object
+    u*: seq[byte]
+    publicKey*: seq[byte]
+    name*: seq[byte]
 
 func fromTuple(_: type StorageRequest, tupl: tuple): StorageRequest =
   StorageRequest(
     client: tupl[0],
-    duration: tupl[1],
-    size: tupl[2],
-    contentHash: tupl[3],
-    proofProbability: tupl[4],
-    maxPrice: tupl[5],
-    expiry: tupl[6],
-    nonce: tupl[7]
+    ask: tupl[1],
+    content: tupl[2],
+    expiry: tupl[3],
+    nonce: tupl[4]
   )
 
+func fromTuple(_: type StorageAsk, tupl: tuple): StorageAsk =
+  StorageAsk(
+    size: tupl[0],
+    duration: tupl[1],
+    proofProbability: tupl[2],
+    maxPrice: tupl[3]
+  )
+
+func fromTuple(_: type StorageContent, tupl: tuple): StorageContent =
+  StorageContent(
+    cid: tupl[0],
+    erasure: tupl[1],
+    por: tupl[2]
+  )
+
+func fromTuple(_: type StorageErasure, tupl: tuple): StorageErasure =
+  StorageErasure(
+    totalChunks: tupl[0],
+    totalNodes: tupl[1],
+    nodeId: tupl[2]
+  )
+
+func fromTuple(_: type StoragePoR, tupl: tuple): StoragePoR =
+  StoragePoR(
+    u: tupl[0],
+    publicKey: tupl[1],
+    name: tupl[2]
+  )
+
+func solidityType*(_: type StoragePoR): string =
+  solidityType(StoragePoR.fieldTypes)
+
+func solidityType*(_: type StorageErasure): string =
+  solidityType(StorageErasure.fieldTypes)
+
+func solidityType*(_: type StorageContent): string =
+  solidityType(StorageContent.fieldTypes)
+
+func solidityType*(_: type StorageAsk): string =
+  solidityType(StorageAsk.fieldTypes)
+
 func solidityType*(_: type StorageRequest): string =
   solidityType(StorageRequest.fieldTypes)
 
+func encode*(encoder: var AbiEncoder, por: StoragePoR) =
+  encoder.write(por.fieldValues)
+
+func encode*(encoder: var AbiEncoder, erasure: StorageErasure) =
+  encoder.write(erasure.fieldValues)
+
+func encode*(encoder: var AbiEncoder, content: StorageContent) =
+  encoder.write(content.fieldValues)
+
+func encode*(encoder: var AbiEncoder, ask: StorageAsk) =
+  encoder.write(ask.fieldValues)
+
 func encode*(encoder: var AbiEncoder, request: StorageRequest) =
   encoder.write(request.fieldValues)
 
+func decode*(decoder: var AbiDecoder, T: type StoragePoR): ?!T =
+  let tupl = ?decoder.read(StoragePoR.fieldTypes)
+  success StoragePoR.fromTuple(tupl)
+
+func decode*(decoder: var AbiDecoder, T: type StorageErasure): ?!T =
+  let tupl = ?decoder.read(StorageErasure.fieldTypes)
+  success StorageErasure.fromTuple(tupl)
+
+func decode*(decoder: var AbiDecoder, T: type StorageContent): ?!T =
+  let tupl = ?decoder.read(StorageContent.fieldTypes)
+  success StorageContent.fromTuple(tupl)
+
+func decode*(decoder: var AbiDecoder, T: type StorageAsk): ?!T =
+  let tupl = ?decoder.read(StorageAsk.fieldTypes)
+  success StorageAsk.fromTuple(tupl)
+
 func decode*(decoder: var AbiDecoder, T: type StorageRequest): ?!T =
   let tupl = ?decoder.read(StorageRequest.fieldTypes)
   success StorageRequest.fromTuple(tupl)
 
 func id*(request: StorageRequest): array[32, byte] =
-  let encoding = AbiEncoder.encode(request)
+  let encoding = AbiEncoder.encode((request, ))
   keccak256.digest(encoding).data
diff --git a/dagger/contracts/storage.nim b/dagger/contracts/storage.nim
index 89b47f0d..eeba433f 100644
--- a/dagger/contracts/storage.nim
+++ b/dagger/contracts/storage.nim
@@ -13,7 +13,7 @@ type
   Id = array[32, byte]
   StorageRequested* = object of Event
     requestId*: Id
-    request*: StorageRequest
+    ask*: StorageAsk
   StorageOffered* = object of Event
     offerId*: Id
     offer*: StorageOffer
diff --git a/dagger/market.nim b/dagger/market.nim
index afa6225a..c2594849 100644
--- a/dagger/market.nim
+++ b/dagger/market.nim
@@ -10,7 +10,7 @@ export offers
 type
   Market* = ref object of RootObj
   Subscription* = ref object of RootObj
-  OnRequest* = proc(request: StorageRequest) {.gcsafe, upraises:[].}
+  OnRequest* = proc(id: array[32, byte], ask: StorageAsk) {.gcsafe, upraises:[].}
   OnOffer* = proc(offer: StorageOffer) {.gcsafe, upraises:[].}
   OnSelect* = proc(offerId: array[32, byte]) {.gcsafe, upraises: [].}
 
diff --git a/dagger/purchasing.nim b/dagger/purchasing.nim
index 2ba78233..7c0a200f 100644
--- a/dagger/purchasing.nim
+++ b/dagger/purchasing.nim
@@ -38,8 +38,8 @@ proc new*(_: type Purchasing, market: Market): Purchasing =
 
 proc populate*(purchasing: Purchasing, request: StorageRequest): StorageRequest =
   result = request
-  if result.proofProbability == 0.u256:
-    result.proofProbability = purchasing.proofProbability
+  if result.ask.proofProbability == 0.u256:
+    result.ask.proofProbability = purchasing.proofProbability
   if result.expiry == 0.u256:
     result.expiry = (getTime().toUnix().u256 + purchasing.requestExpiryInterval)
   if result.nonce == array[32, byte].default:
diff --git a/dagger/sales.nim b/dagger/sales.nim
index abd9b719..4b21e055 100644
--- a/dagger/sales.nim
+++ b/dagger/sales.nim
@@ -24,7 +24,8 @@ type
     minPrice*: UInt256
   Negotiation = ref object
     sales: Sales
-    request: StorageRequest
+    requestId: array[32, byte]
+    ask: StorageAsk
     availability: Availability
     offer: ?StorageOffer
     subscription: ?Subscription
@@ -52,17 +53,17 @@ func add*(sales: Sales, availability: Availability) =
 func remove*(sales: Sales, availability: Availability) =
   sales.available.keepItIf(it != availability)
 
-func findAvailability(sales: Sales, request: StorageRequest): ?Availability =
+func findAvailability(sales: Sales, ask: StorageAsk): ?Availability =
   for availability in sales.available:
-    if request.size <= availability.size.u256 and
-       request.duration <= availability.duration.u256 and
-       request.maxPrice >= availability.minPrice:
+    if ask.size <= availability.size.u256 and
+       ask.duration <= availability.duration.u256 and
+       ask.maxPrice >= availability.minPrice:
       return some availability
 
 proc createOffer(negotiation: Negotiation): StorageOffer =
   StorageOffer(
-    requestId: negotiation.request.id,
-    price: negotiation.request.maxPrice,
+    requestId: negotiation.requestId,
+    price: negotiation.ask.maxPrice,
     expiry: getTime().toUnix().u256 + negotiation.sales.offerExpiryInterval
   )
 
@@ -117,13 +118,16 @@ proc start(negotiation: Negotiation) {.async.} =
   await negotiation.subscribeSelect()
   negotiation.waiting = some negotiation.waitForExpiry()
 
-proc handleRequest(sales: Sales, request: StorageRequest) {.async.} =
-  without availability =? sales.findAvailability(request):
+proc handleRequest(sales: Sales,
+                   requestId: array[32, byte],
+                   ask: StorageAsk) {.async.} =
+  without availability =? sales.findAvailability(ask):
     return
 
   let negotiation = Negotiation(
     sales: sales,
-    request: request,
+    requestId: requestId,
+    ask: ask,
     availability: availability
   )
 
@@ -132,8 +136,8 @@ proc handleRequest(sales: Sales, request: StorageRequest) {.async.} =
 proc start*(sales: Sales) =
   doAssert sales.subscription.isNone, "Sales already started"
 
-  proc onRequest(request: StorageRequest) {.gcsafe, upraises:[].} =
-    asyncSpawn sales.handleRequest(request)
+  proc onRequest(requestId: array[32, byte], ask: StorageAsk) {.gcsafe, upraises:[].} =
+    asyncSpawn sales.handleRequest(requestId, ask)
 
   proc subscribe {.async.} =
     sales.subscription = some await sales.market.subscribeRequests(onRequest)
diff --git a/tests/contracts/examples.nim b/tests/contracts/examples.nim
index e817bf59..3dbbd888 100644
--- a/tests/contracts/examples.nim
+++ b/tests/contracts/examples.nim
@@ -1,6 +1,5 @@
 import std/times
 import pkg/stint
-import pkg/nimcrypto
 import pkg/ethers
 import dagger/contracts
 import ../examples
@@ -13,11 +12,25 @@ proc example*(_: type Address): Address =
 proc example*(_: type StorageRequest): StorageRequest =
   StorageRequest(
     client: Address.example,
-    duration: (10 * 60 * 60).u256, # 10 hours
-    size: (1 * 1024 * 1024 * 1024).u256, # 1 Gigabyte
-    contentHash: sha256.digest(0xdeadbeef'u32.toBytes).data,
-    proofProbability: 4.u256, # require a proof roughly once every 4 periods
-    maxPrice: 84.u256,
+    ask: StorageAsk(
+      size: (1 * 1024 * 1024 * 1024).u256, # 1 Gigabyte
+      duration: (10 * 60 * 60).u256, # 10 hours
+      proofProbability: 4.u256, # require a proof roughly once every 4 periods
+      maxPrice: 84.u256
+    ),
+    content: StorageContent(
+      cid: "zb2rhheVmk3bLks5MgzTqyznLu1zqGH5jrfTA1eAZXrjx7Vob",
+      erasure: StorageErasure(
+        totalChunks: 12,
+        totalNodes: 4,
+        nodeId: 3
+      ),
+      por: StoragePor(
+        u: @(array[480, byte].example),
+        publicKey: @(array[96, byte].example),
+        name: @(array[512, byte].example)
+      )
+    ),
     expiry: (getTime() + initDuration(hours=1)).toUnix.u256,
     nonce: array[32, byte].example
   )
diff --git a/tests/contracts/testContracts.nim b/tests/contracts/testContracts.nim
index 2513586d..5104e8ee 100644
--- a/tests/contracts/testContracts.nim
+++ b/tests/contracts/testContracts.nim
@@ -45,7 +45,7 @@ ethersuite "Storage contracts":
     offer.requestId = request.id
 
     switchAccount(client)
-    await token.approve(storage.address, request.maxPrice)
+    await token.approve(storage.address, request.ask.maxPrice)
     await storage.requestStorage(request)
     switchAccount(host)
     await token.approve(storage.address, collateralAmount)
diff --git a/tests/contracts/testMarket.nim b/tests/contracts/testMarket.nim
index 13fe763b..7db5264d 100644
--- a/tests/contracts/testMarket.nim
+++ b/tests/contracts/testMarket.nim
@@ -30,7 +30,7 @@ ethersuite "On-Chain Market":
     request.client = accounts[0]
     offer.host = accounts[0]
     offer.requestId = request.id
-    offer.price = request.maxPrice
+    offer.price = request.ask.maxPrice
 
   test "fails to instantiate when contract does not have a signer":
     let storageWithoutSigner = storage.connect(provider)
@@ -38,33 +38,36 @@ ethersuite "On-Chain Market":
       discard OnChainMarket.new(storageWithoutSigner)
 
   test "supports storage requests":
-    await token.approve(storage.address, request.maxPrice)
+    await token.approve(storage.address, request.ask.maxPrice)
     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.maxPrice)
+    await token.approve(storage.address, request.ask.maxPrice)
     let submitted = await market.requestStorage(requestWithoutClient)
     check submitted.client == accounts[0]
 
   test "supports request subscriptions":
-    var received: seq[StorageRequest]
-    proc onRequest(request: StorageRequest) =
-      received.add(request)
+    var receivedIds: seq[array[32, byte]]
+    var receivedAsks: seq[StorageAsk]
+    proc onRequest(id: array[32, byte], ask: StorageAsk) =
+      receivedIds.add(id)
+      receivedAsks.add(ask)
     let subscription = await market.subscribeRequests(onRequest)
-    await token.approve(storage.address, request.maxPrice)
+    await token.approve(storage.address, request.ask.maxPrice)
     discard await market.requestStorage(request)
-    check received == @[request]
+    check receivedIds == @[request.id]
+    check receivedAsks == @[request.ask]
     await subscription.unsubscribe()
 
   test "supports storage offers":
-    await token.approve(storage.address, request.maxPrice)
+    await token.approve(storage.address, request.ask.maxPrice)
     discard await market.requestStorage(request)
     check (await market.offerStorage(offer)) == offer
 
   test "sets host address when submitting storage offer":
-    await token.approve(storage.address, request.maxPrice)
+    await token.approve(storage.address, request.ask.maxPrice)
     discard await market.requestStorage(request)
     var offerWithoutHost = offer
     offerWithoutHost.host = Address.default
@@ -72,7 +75,7 @@ ethersuite "On-Chain Market":
     check submitted.host == accounts[0]
 
   test "supports offer subscriptions":
-    await token.approve(storage.address, request.maxPrice)
+    await token.approve(storage.address, request.ask.maxPrice)
     discard await market.requestStorage(request)
     var received: seq[StorageOffer]
     proc onOffer(offer: StorageOffer) =
@@ -88,11 +91,11 @@ ethersuite "On-Chain Market":
     otherRequest.client = accounts[0]
     otherOffer.host = accounts[0]
     otherOffer.requestId = otherRequest.id
-    otherOffer.price = otherRequest.maxPrice
+    otherOffer.price = otherrequest.ask.maxPrice
 
-    await token.approve(storage.address, request.maxPrice)
+    await token.approve(storage.address, request.ask.maxPrice)
     discard await market.requestStorage(request)
-    await token.approve(storage.address, otherRequest.maxPrice)
+    await token.approve(storage.address, otherrequest.ask.maxPrice)
     discard await market.requestStorage(otherRequest)
 
     var submitted: seq[StorageOffer]
@@ -109,7 +112,7 @@ ethersuite "On-Chain Market":
     await subscription.unsubscribe()
 
   test "supports selection of an offer":
-    await token.approve(storage.address, request.maxPrice)
+    await token.approve(storage.address, request.ask.maxPrice)
     discard await market.requestStorage(request)
     discard await market.offerStorage(offer)
 
@@ -130,12 +133,12 @@ ethersuite "On-Chain Market":
     otherRequest.client = accounts[0]
     otherOffer.host = accounts[0]
     otherOffer.requestId = otherRequest.id
-    otherOffer.price = otherRequest.maxPrice
+    otherOffer.price = otherrequest.ask.maxPrice
 
-    await token.approve(storage.address, request.maxPrice)
+    await token.approve(storage.address, request.ask.maxPrice)
     discard await market.requestStorage(request)
     discard await market.offerStorage(offer)
-    await token.approve(storage.address, otherRequest.maxPrice)
+    await token.approve(storage.address, otherrequest.ask.maxPrice)
     discard await market.requestStorage(otherRequest)
     discard await market.offerStorage(otherOffer)
 
diff --git a/tests/dagger/helpers/mockmarket.nim b/tests/dagger/helpers/mockmarket.nim
index de1f551b..d846e706 100644
--- a/tests/dagger/helpers/mockmarket.nim
+++ b/tests/dagger/helpers/mockmarket.nim
@@ -38,7 +38,7 @@ method requestStorage*(market: MockMarket,
   market.requested.add(request)
   let subscriptions = market.subscriptions.onRequest
   for subscription in subscriptions:
-    subscription.callback(request)
+    subscription.callback(request.id, request.ask)
   return request
 
 method offerStorage*(market: MockMarket,
diff --git a/tests/dagger/testpurchasing.nim b/tests/dagger/testpurchasing.nim
index 775825bd..0c87440a 100644
--- a/tests/dagger/testpurchasing.nim
+++ b/tests/dagger/testpurchasing.nim
@@ -16,9 +16,10 @@ suite "Purchasing":
     market = MockMarket.new()
     purchasing = Purchasing.new(market)
     request = StorageRequest(
-      duration: uint16.example.u256,
-      size: uint32.example.u256,
-      contentHash: array[32, byte].example
+      ask: StorageAsk(
+        duration: uint16.example.u256,
+        size: uint32.example.u256,
+      )
     )
 
   proc purchaseAndWait(request: StorageRequest) {.async.} =
@@ -29,10 +30,9 @@ suite "Purchasing":
   test "submits a storage request when asked":
     await purchaseAndWait(request)
     let submitted = market.requested[0]
-    check submitted.duration == request.duration
-    check submitted.size == request.size
-    check submitted.contentHash == request.contentHash
-    check submitted.maxPrice == request.maxPrice
+    check submitted.ask.duration == request.ask.duration
+    check submitted.ask.size == request.ask.size
+    check submitted.ask.maxPrice == request.ask.maxPrice
 
   test "has a default value for proof probability":
     check purchasing.proofProbability != 0.u256
@@ -40,12 +40,12 @@ suite "Purchasing":
   test "can change default value for proof probability":
     purchasing.proofProbability = 42.u256
     await purchaseAndWait(request)
-    check market.requested[0].proofProbability == 42.u256
+    check market.requested[0].ask.proofProbability == 42.u256
 
   test "can override proof probability per request":
-    request.proofProbability = 42.u256
+    request.ask.proofProbability = 42.u256
     await purchaseAndWait(request)
-    check market.requested[0].proofProbability == 42.u256
+    check market.requested[0].ask.proofProbability == 42.u256
 
   test "has a default value for request expiration interval":
     check purchasing.requestExpiryInterval != 0.u256
diff --git a/tests/dagger/testsales.nim b/tests/dagger/testsales.nim
index 653f75df..6e1152d3 100644
--- a/tests/dagger/testsales.nim
+++ b/tests/dagger/testsales.nim
@@ -8,7 +8,9 @@ import ./examples
 suite "Sales":
 
   let availability = Availability.init(size=100, duration=60, minPrice=42.u256)
-  let request = StorageRequest(duration: 60.u256, size: 100.u256, maxPrice:42.u256)
+  let request = StorageRequest(
+    ask: StorageAsk(duration: 60.u256, size: 100.u256, maxPrice:42.u256)
+  )
 
   var sales: Sales
   var market: MockMarket
@@ -52,7 +54,7 @@ suite "Sales":
   test "ignores request when no matching storage is available":
     sales.add(availability)
     var tooBig = request
-    tooBig.size = request.size + 1
+    tooBig.ask.size = request.ask.size + 1
     discard await market.requestStorage(tooBig)
     check market.offered.len == 0
 
diff --git a/vendor/dagger-contracts b/vendor/dagger-contracts
index 29b57759..6aa28945 160000
--- a/vendor/dagger-contracts
+++ b/vendor/dagger-contracts
@@ -1 +1 @@
-Subproject commit 29b5775951e774cb170b23cb6772cd7f1e7b5499
+Subproject commit 6aa2894521faa53a9896e800caf713499b33c318