Add Build Address gRPC Query

docs/proto/proto-docs.md

@@ -60,6 +60,8 @@
     - [CodeInfoResponse](#cosmwasm.wasm.v1.CodeInfoResponse)
     - [QueryAllContractStateRequest](#cosmwasm.wasm.v1.QueryAllContractStateRequest)
     - [QueryAllContractStateResponse](#cosmwasm.wasm.v1.QueryAllContractStateResponse)
+    - [QueryBuildAddressRequest](#cosmwasm.wasm.v1.QueryBuildAddressRequest)
+    - [QueryBuildAddressResponse](#cosmwasm.wasm.v1.QueryBuildAddressResponse)
     - [QueryCodeRequest](#cosmwasm.wasm.v1.QueryCodeRequest)
     - [QueryCodeResponse](#cosmwasm.wasm.v1.QueryCodeResponse)
     - [QueryCodesRequest](#cosmwasm.wasm.v1.QueryCodesRequest)
@@ -1018,6 +1020,41 @@ Query/AllContractState RPC method
 
 
 
+<a name="cosmwasm.wasm.v1.QueryBuildAddressRequest"></a>
+
+### QueryBuildAddressRequest
+QueryBuildAddressRequest is the request type for the Query/BuildAddress RPC
+method.
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| `code_hash` | [string](#string) |  | CodeHash is the hash of the code |
+| `creator_address` | [string](#string) |  | CreatorAddress is the address of the contract instantiator |
+| `salt` | [string](#string) |  | Salt is a hex encoded salt |
+| `init_args` | [bytes](#bytes) |  | InitArgs are optional json encoded init args to be used in contract address building if provided |
+
+
+
+
+
+
+<a name="cosmwasm.wasm.v1.QueryBuildAddressResponse"></a>
+
+### QueryBuildAddressResponse
+QueryBuildAddressResponse is the response type for the Query/BuildAddress RPC
+method.
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| `address` | [string](#string) |  | Address is the contract address |
+
+
+
+
+
+
 <a name="cosmwasm.wasm.v1.QueryCodeRequest"></a>
 
 ### QueryCodeRequest
@@ -1363,6 +1400,7 @@ Query provides defines the gRPC querier service
 | `PinnedCodes` | [QueryPinnedCodesRequest](#cosmwasm.wasm.v1.QueryPinnedCodesRequest) | [QueryPinnedCodesResponse](#cosmwasm.wasm.v1.QueryPinnedCodesResponse) | PinnedCodes gets the pinned code ids | GET|/cosmwasm/wasm/v1/codes/pinned|
 | `Params` | [QueryParamsRequest](#cosmwasm.wasm.v1.QueryParamsRequest) | [QueryParamsResponse](#cosmwasm.wasm.v1.QueryParamsResponse) | Params gets the module params | GET|/cosmwasm/wasm/v1/codes/params|
 | `ContractsByCreator` | [QueryContractsByCreatorRequest](#cosmwasm.wasm.v1.QueryContractsByCreatorRequest) | [QueryContractsByCreatorResponse](#cosmwasm.wasm.v1.QueryContractsByCreatorResponse) | ContractsByCreator gets the contracts by creator | GET|/cosmwasm/wasm/v1/contracts/creator/{creator_address}|
+| `BuildAddress` | [QueryBuildAddressRequest](#cosmwasm.wasm.v1.QueryBuildAddressRequest) | [QueryBuildAddressResponse](#cosmwasm.wasm.v1.QueryBuildAddressResponse) | BuildAddress builds a contract address | GET|/cosmwasm/wasm/v1/contract/build_address|
 
  <!-- end services -->
 

proto/cosmwasm/wasm/v1/query.proto

@@ -72,6 +72,12 @@ service Query {
     option (google.api.http).get =
         "/cosmwasm/wasm/v1/contracts/creator/{creator_address}";
   }
+
+  // BuildAddress builds a contract address
+  rpc BuildAddress(QueryBuildAddressRequest)
+      returns (QueryBuildAddressResponse) {
+    option (google.api.http).get = "/cosmwasm/wasm/v1/contract/build_address";
+  }
 }
 
 // QueryContractInfoRequest is the request type for the Query/ContractInfo RPC
@@ -268,4 +274,25 @@ message QueryContractsByCreatorResponse {
       [ (cosmos_proto.scalar) = "cosmos.AddressString" ];
   // Pagination defines the pagination in the response.
   cosmos.base.query.v1beta1.PageResponse pagination = 2;
+}
+
+// QueryBuildAddressRequest is the request type for the Query/BuildAddress RPC
+// method.
+message QueryBuildAddressRequest {
+  // CodeHash is the hash of the code
+  string code_hash = 1;
+  // CreatorAddress is the address of the contract instantiator
+  string creator_address = 2 [ (cosmos_proto.scalar) = "cosmos.AddressString" ];
+  // Salt is a hex encoded salt
+  string salt = 3;
+  // InitArgs are optional json encoded init args to be used in contract address
+  // building if provided
+  bytes init_args = 4;
+}
+
+// QueryBuildAddressResponse is the response type for the Query/BuildAddress RPC
+// method.
+message QueryBuildAddressResponse {
+  // Address is the contract address
+  string address = 1 [ (cosmos_proto.scalar) = "cosmos.AddressString" ];
 }

x/wasm/keeper/querier.go

@@ -3,6 +3,7 @@
 import (
 	"context"
 	"encoding/binary"
+	"encoding/hex"
 	"runtime/debug"
 
 	"google.golang.org/grpc/codes"
@@ -406,3 +407,36 @@
 	}
 	return req, nil
 }
+
+func (q GrpcQuerier) BuildAddress(c context.Context, req *types.QueryBuildAddressRequest) (*types.QueryBuildAddressResponse, error) {
+	if req == nil {
+		return nil, status.Error(codes.InvalidArgument, "empty request")
+	}
+	codeHash, err := hex.DecodeString(req.CodeHash)
+	if err != nil {
+		return nil, err
+	}
+	creator, err := sdk.AccAddressFromBech32(req.CreatorAddress)
+	if err != nil {
+		return nil, err
+	}
+	salt, err := hex.DecodeString(req.Salt)
+	if err != nil {
+		return nil, err
+	}
+	if len(salt) == 0 {
+		return nil, status.Error(codes.InvalidArgument, "empty salt")
+	}
+	if req.InitArgs == nil {
+		return &types.QueryBuildAddressResponse{
+			Address: BuildContractAddressPredictable(codeHash, creator, salt, []byte{}).String(),
+		}, nil
+	}
+	initMsg := types.RawContractMessage(req.InitArgs)
+	if err := initMsg.ValidateBasic(); err != nil {
+		return nil, err
+	}
+	return &types.QueryBuildAddressResponse{
+		Address: BuildContractAddressPredictable(codeHash, creator, salt, initMsg).String(),
+	}, nil
+}

x/wasm/keeper/querier_test.go

@@ -1047,3 +1047,60 @@ func TestEnsurePaginationParams(t *testing.T) {
 		})
 	}
 }
+
+func TestQueryBuildAddress(t *testing.T) {
+	specs := map[string]struct {
+		srcQuery *types.QueryBuildAddressRequest
+		exp      *types.QueryBuildAddressResponse
+		expErr   error
+	}{
+		"empty request": {
+			srcQuery: nil,
+			expErr:   status.Error(codes.InvalidArgument, "empty request"),
+		},
+		"valid - without init args": {
+			srcQuery: &types.QueryBuildAddressRequest{
+				CodeHash:       "13a1fc994cc6d1c81b746ee0c0ff6f90043875e0bf1d9be6b7d779fc978dc2a5",
+				CreatorAddress: "cosmos100dejzacpanrldpjjwksjm62shqhyss44jf5xz",
+				Salt:           "61",
+				InitArgs:       nil,
+			},
+			exp: &types.QueryBuildAddressResponse{
+				Address: "cosmos165fz7lnnt6e08knjqsz6fnz9drs7gewezyq3pl5uspc3zgt5lldq4ge3pl",
+			},
+			expErr: nil,
+		},
+		"valid - with init args": {
+			srcQuery: &types.QueryBuildAddressRequest{
+				CodeHash:       "13a1fc994cc6d1c81b746ee0c0ff6f90043875e0bf1d9be6b7d779fc978dc2a5",
+				CreatorAddress: "cosmos100dejzacpanrldpjjwksjm62shqhyss44jf5xz",
+				Salt:           "61",
+				InitArgs:       []byte(`{"verifier":"cosmos100dejzacpanrldpjjwksjm62shqhyss44jf5xz"}`),
+			},
+			exp: &types.QueryBuildAddressResponse{
+				Address: "cosmos150kq3ggdvc9lftcv6ns75t3v6lcpxdmvuwtqr6e9fc029z6h4maqepgss6",
+			},
+			expErr: nil,
+		},
+	}
+
+	ctx, keepers := CreateTestInput(t, false, AvailableCapabilities)
+	keeper := keepers.WasmKeeper
+
+	q := Querier(keeper)
+	for msg, spec := range specs {
+		t.Run(msg, func(t *testing.T) {
+			got, gotErr := q.BuildAddress(ctx, spec.srcQuery)
+			if spec.expErr != nil {
+				fmt.Println("here")
+				fmt.Println("err: ", gotErr)
+				require.Error(t, gotErr)
+				assert.ErrorContains(t, gotErr, spec.expErr.Error())
+				return
+			}
+			require.NoError(t, gotErr)
+			require.NotNil(t, got)
+			assert.Equal(t, spec.exp.Address, got.Address)
+		})
+	}
+}