Port take_offer to @marshal

Author: Quexington

chia/_tests/cmds/wallet/test_wallet.py

@@ -75,6 +75,7 @@
     SendTransactionResponse,
     SpendClawbackCoins,
     SpendClawbackCoinsResponse,
+    TakeOffer,
     TakeOfferResponse,
     TransactionRecordWithMetadata,
     WalletInfoResponse,
@@ -1055,29 +1056,30 @@ def test_take_offer(capsys: object, get_test_cli_clients: tuple[TestRpcClients,
     class TakeOfferRpcClient(TestWalletRpcClient):
         async def take_offer(
             self,
-            offer: Offer,
+            request: TakeOffer,
             tx_config: TXConfig,
-            solver: Optional[dict[str, Any]] = None,
-            fee: uint64 = uint64(0),
-            push: bool = True,
+            extra_conditions: tuple[Condition, ...] = tuple(),
             timelock_info: ConditionValidTimes = ConditionValidTimes(),
         ) -> TakeOfferResponse:
-            self.add_to_log("take_offer", (offer, tx_config, solver, fee, push, timelock_info))
+            self.add_to_log(
+                "take_offer",
+                (request.parsed_offer, tx_config, request.solver, request.fee, request.push, timelock_info),
+            )
             return TakeOfferResponse(
                 [STD_UTX],
                 [STD_TX],
-                offer,
+                request.parsed_offer,
                 TradeRecord(
                     confirmed_at_index=uint32(0),
                     accepted_at_time=uint64(123456789),
                     created_at_time=uint64(12345678),
                     is_my_offer=False,
                     sent=uint32(1),
                     sent_to=[("aaaaa", uint8(1), None)],
-                    offer=bytes(offer),
+                    offer=bytes(request.parsed_offer),
                     taken_offer=None,
-                    coins_of_interest=offer.get_involved_coins(),
-                    trade_id=offer.name(),
+                    coins_of_interest=request.parsed_offer.get_involved_coins(),
+                    trade_id=request.parsed_offer.name(),
                     status=uint32(TradeStatus.PENDING_ACCEPT.value),
                     valid_times=ConditionValidTimes(),
                 ),

chia/_tests/wallet/rpc/test_wallet_rpc.py

@@ -160,6 +160,7 @@
     SetWalletResyncOnStartup,
     SpendClawbackCoins,
     SplitCoins,
+    TakeOffer,
     VerifySignature,
     VerifySignatureResponse,
 )
@@ -1647,7 +1648,16 @@ async def test_offer_endpoints(wallet_environments: WalletTestFramework, wallet_
     assert offer_count.my_offers_count == 1
     assert offer_count.taken_offers_count == 0
 
-    trade_record = (await env_2.rpc_client.take_offer(offer, wallet_environments.tx_config, fee=uint64(1))).trade_record
+    trade_record = (
+        await env_2.rpc_client.take_offer(
+            TakeOffer(
+                offer=offer.to_bech32(),
+                fee=uint64(1),
+                push=True,
+            ),
+            wallet_environments.tx_config,
+        )
+    ).trade_record
     assert TradeStatus(trade_record.status) == TradeStatus.PENDING_CONFIRM
 
     await env_1.rpc_client.cancel_offer(offer.name(), wallet_environments.tx_config, secure=False)

chia/cmds/wallet_funcs.py

@@ -88,6 +88,7 @@
     SignMessageByID,
     SignMessageByIDResponse,
     SpendClawbackCoins,
+    TakeOffer,
     VCAddProofs,
     VCGet,
     VCGetList,
@@ -892,11 +893,9 @@ async def take_offer(
             print()
             cli_confirm("Would you like to take this offer? (y/n): ")
             res = await wallet_client.take_offer(
-                offer,
-                fee=fee,
-                tx_config=CMDTXConfigLoader().to_tx_config(units["chia"], config, fingerprint),
-                push=push,
+                TakeOffer(offer.to_bech32(), fee=fee, push=push),
                 timelock_info=condition_valid_times,
+                tx_config=CMDTXConfigLoader().to_tx_config(units["chia"], config, fingerprint),
             )
             if push:
                 print(f"Accepted offer with ID {res.trade_record.trade_id}")

chia/data_layer/data_layer.py

@@ -81,6 +81,7 @@
     DLUpdateRoot,
     LauncherRootPair,
     LogIn,
+    TakeOffer,
 )
 from chia.wallet.wallet_rpc_client import WalletRpcClient
 
@@ -1241,32 +1242,34 @@ async def take_offer(
                         )
                     )
 
-            solver: dict[str, Any] = {
-                "proofs_of_inclusion": proofs_of_inclusion,
-                **{
-                    "0x" + our_offer_store.store_id.hex(): {
-                        "new_root": "0x" + root.hex(),
-                        "dependencies": [
-                            {
-                                "launcher_id": "0x" + their_offer_store.store_id.hex(),
-                                "values_to_prove": ["0x" + entry.node_hash.hex() for entry in their_offer_store.proofs],
-                            }
-                            for their_offer_store in maker
-                        ],
-                    }
-                    for our_offer_store in taker
-                },
-            }
+            solver = Solver(
+                {
+                    "proofs_of_inclusion": proofs_of_inclusion,
+                    **{
+                        "0x" + our_offer_store.store_id.hex(): {
+                            "new_root": "0x" + root.hex(),
+                            "dependencies": [
+                                {
+                                    "launcher_id": "0x" + their_offer_store.store_id.hex(),
+                                    "values_to_prove": [
+                                        "0x" + entry.node_hash.hex() for entry in their_offer_store.proofs
+                                    ],
+                                }
+                                for their_offer_store in maker
+                            ],
+                        }
+                        for our_offer_store in taker
+                    },
+                }
+            )
 
         # Excluding wallet from transaction since failures in the wallet may occur
         # after the transaction is submitted to the chain.  If we roll back data we
         # may lose published data.
 
         trade_record = (
             await self.wallet_rpc.take_offer(
-                offer=offer,
-                solver=solver,
-                fee=fee,
+                TakeOffer(offer=offer.to_bech32(), solver=solver, fee=fee, push=True),
                 # TODO: probably shouldn't be default but due to peculiarities in the RPC, we're using a stop gap.
                 # This is not a change in behavior, the default was already implicit.
                 tx_config=DEFAULT_TX_CONFIG,

chia/wallet/wallet_request_types.py

@@ -1930,6 +1930,17 @@ class CreateOfferForIDsResponse(_OfferEndpointResponse):
     pass
 
 
+@streamable
+@dataclass(frozen=True)
+class TakeOffer(TransactionEndpointRequest):
+    offer: str
+    solver: Optional[Solver] = None
+
+    @cached_property
+    def parsed_offer(self) -> Offer:
+        return Offer.from_bech32(self.offer)
+
+
 @streamable
 @dataclass(frozen=True)
 class TakeOfferResponse(_OfferEndpointResponse):  # Inheriting for de-dup sake

chia/wallet/wallet_rpc_api.py

@@ -70,7 +70,7 @@
 from chia.wallet.nft_wallet.uncurry_nft import UncurriedNFT
 from chia.wallet.notification_store import Notification
 from chia.wallet.outer_puzzles import AssetType
-from chia.wallet.puzzle_drivers import PuzzleInfo, Solver
+from chia.wallet.puzzle_drivers import PuzzleInfo
 from chia.wallet.puzzles import p2_delegated_conditions
 from chia.wallet.puzzles.clawback.metadata import AutoClaimSettings, ClawbackMetadata
 from chia.wallet.puzzles.p2_delegated_puzzle_or_hidden_puzzle import puzzle_hash_for_synthetic_public_key
@@ -283,6 +283,8 @@
     StrayCAT,
     SubmitTransactions,
     SubmitTransactionsResponse,
+    TakeOffer,
+    TakeOfferResponse,
     TransactionRecordWithMetadata,
     VCAddProofs,
     VCGet,
@@ -2327,44 +2329,34 @@ async def check_offer_validity(self, request: CheckOfferValidity) -> CheckOfferV
         )
 
     @tx_endpoint(push=True)
+    @marshal
     async def take_offer(
         self,
-        request: dict[str, Any],
+        request: TakeOffer,
         action_scope: WalletActionScope,
         extra_conditions: tuple[Condition, ...] = tuple(),
-    ) -> EndpointResult:
-        offer_hex: str = request["offer"]
-
-        offer = Offer.from_bech32(offer_hex)
-        fee: uint64 = uint64(request.get("fee", 0))
-        maybe_marshalled_solver: Optional[dict[str, Any]] = request.get("solver")
-        solver: Optional[Solver]
-        if maybe_marshalled_solver is None:
-            solver = None
-        else:
-            solver = Solver(info=maybe_marshalled_solver)
-
+    ) -> TakeOfferResponse:
         peer = self.service.get_full_node_peer()
         trade_record = await self.service.wallet_state_manager.trade_manager.respond_to_offer(
-            offer,
+            request.parsed_offer,
             peer,
             action_scope,
-            fee=fee,
-            solver=solver,
+            fee=request.fee,
+            solver=request.solver,
             extra_conditions=extra_conditions,
         )
 
         async with action_scope.use() as interface:
             interface.side_effects.signing_responses.append(
-                SigningResponse(bytes(offer._bundle.aggregated_signature), trade_record.trade_id)
+                SigningResponse(bytes(request.parsed_offer._bundle.aggregated_signature), trade_record.trade_id)
             )
 
-        return {
-            "trade_record": trade_record.to_json_dict_convenience(),
-            "offer": Offer.from_bytes(trade_record.offer).to_bech32(),
-            "transactions": None,  # tx_endpoint wrapper will take care of this
-            "signing_responses": None,  # tx_endpoint wrapper will take care of this
-        }
+        return TakeOfferResponse(
+            [],  # tx_endpoint will fill in this default value
+            [],  # tx_endpoint will fill in this default value
+            Offer.from_bytes(trade_record.offer),
+            trade_record,
+        )
 
     async def get_offer(self, request: dict[str, Any]) -> EndpointResult:
         trade_mgr = self.service.wallet_state_manager.trade_manager

chia/wallet/wallet_rpc_client.py

@@ -192,6 +192,7 @@
     SplitCoinsResponse,
     SubmitTransactions,
     SubmitTransactionsResponse,
+    TakeOffer,
     TakeOfferResponse,
     VCAddProofs,
     VCGet,
@@ -690,26 +691,16 @@ async def check_offer_validity(self, request: CheckOfferValidity) -> CheckOfferV
 
     async def take_offer(
         self,
-        offer: Offer,
+        request: TakeOffer,
         tx_config: TXConfig,
-        solver: Optional[dict[str, Any]] = None,
-        fee: int = 0,
         extra_conditions: tuple[Condition, ...] = tuple(),
         timelock_info: ConditionValidTimes = ConditionValidTimes(),
-        push: bool = True,
     ) -> TakeOfferResponse:
-        req = {
-            "offer": offer.to_bech32(),
-            "fee": fee,
-            "extra_conditions": conditions_to_json_dicts(extra_conditions),
-            "push": push,
-            **tx_config.to_json_dict(),
-            **timelock_info.to_json_dict(),
-        }
-        if solver is not None:
-            req["solver"] = solver
-        res = await self.fetch("take_offer", req)
-        return json_deserialize_with_clvm_streamable(res, TakeOfferResponse)
+        return TakeOfferResponse.from_json_dict(
+            await self.fetch(
+                "take_offer", request.json_serialize_for_transport(tx_config, extra_conditions, timelock_info)
+            )
+        )
 
     async def get_offer(self, trade_id: bytes32, file_contents: bool = False) -> TradeRecord:
         res = await self.fetch("get_offer", {"trade_id": trade_id.hex(), "file_contents": file_contents})