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feat(x/precisebank): Add query service with TotalFractionalBalances (#…
…1970) Add query service to precisebank, mostly for e2e test purposes in #1966 Also fix client grpc codec
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| syntax = "proto3"; | ||
| package kava.precisebank.v1; | ||
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| import "cosmos/base/v1beta1/coin.proto"; | ||
| import "gogoproto/gogo.proto"; | ||
| import "google/api/annotations.proto"; | ||
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| option go_package = "github.com/kava-labs/kava/x/precisebank/types"; | ||
| option (gogoproto.goproto_getters_all) = false; | ||
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| // Query defines the gRPC querier service for precisebank module | ||
| service Query { | ||
| // TotalFractionalBalances returns the total sum of all fractional balances | ||
| // managed by the precisebank module. | ||
| rpc TotalFractionalBalances(QueryTotalFractionalBalancesRequest) returns (QueryTotalFractionalBalancesResponse) { | ||
| option (google.api.http).get = "/kava/precisebank/v1/total_fractional_balances"; | ||
| } | ||
| } | ||
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| // QueryTotalFractionalBalancesRequest defines the request type for Query/TotalFractionalBalances method. | ||
| message QueryTotalFractionalBalancesRequest {} | ||
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| // QueryTotalFractionalBalancesResponse defines the response type for Query/TotalFractionalBalances method. | ||
| message QueryTotalFractionalBalancesResponse { | ||
| // total is the total sum of all fractional balances managed by the precisebank | ||
| // module. | ||
| cosmos.base.v1beta1.Coin total = 1 [(gogoproto.nullable) = false]; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| package keeper | ||
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| import ( | ||
| "context" | ||
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| sdk "github.com/cosmos/cosmos-sdk/types" | ||
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| "github.com/kava-labs/kava/x/precisebank/types" | ||
| ) | ||
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| type queryServer struct { | ||
| keeper Keeper | ||
| } | ||
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| // NewQueryServerImpl creates a new server for handling gRPC queries. | ||
| func NewQueryServerImpl(k Keeper) types.QueryServer { | ||
| return &queryServer{keeper: k} | ||
| } | ||
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| var _ types.QueryServer = queryServer{} | ||
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| // TotalFractionalBalances returns the total sum of all fractional balances. | ||
| // This is mostly for external verification of the total fractional balances, | ||
| // being a multiple of the conversion factor and backed by the reserve. | ||
| func (s queryServer) TotalFractionalBalances( | ||
| goCtx context.Context, | ||
| req *types.QueryTotalFractionalBalancesRequest, | ||
| ) (*types.QueryTotalFractionalBalancesResponse, error) { | ||
| ctx := sdk.UnwrapSDKContext(goCtx) | ||
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| totalAmount := s.keeper.GetTotalSumFractionalBalances(ctx) | ||
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| totalCoin := sdk.NewCoin(types.ExtendedCoinDenom, totalAmount) | ||
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| return &types.QueryTotalFractionalBalancesResponse{ | ||
| Total: totalCoin, | ||
| }, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| package keeper_test | ||
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| import ( | ||
| "context" | ||
| "strconv" | ||
| "testing" | ||
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| sdkmath "cosmossdk.io/math" | ||
| "github.com/cosmos/cosmos-sdk/baseapp" | ||
| sdk "github.com/cosmos/cosmos-sdk/types" | ||
| "github.com/stretchr/testify/suite" | ||
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| "github.com/kava-labs/kava/x/precisebank/keeper" | ||
| "github.com/kava-labs/kava/x/precisebank/testutil" | ||
| "github.com/kava-labs/kava/x/precisebank/types" | ||
| ) | ||
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| type grpcQueryTestSuite struct { | ||
| testutil.Suite | ||
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| queryClient types.QueryClient | ||
| } | ||
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| func (suite *grpcQueryTestSuite) SetupTest() { | ||
| suite.Suite.SetupTest() | ||
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| queryHelper := baseapp.NewQueryServerTestHelper(suite.Ctx, suite.App.InterfaceRegistry()) | ||
| types.RegisterQueryServer(queryHelper, keeper.NewQueryServerImpl(suite.Keeper)) | ||
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| suite.queryClient = types.NewQueryClient(queryHelper) | ||
| } | ||
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| func TestGrpcQueryTestSuite(t *testing.T) { | ||
| suite.Run(t, new(grpcQueryTestSuite)) | ||
| } | ||
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| func (suite *grpcQueryTestSuite) TestQueryTotalFractionalBalance() { | ||
| testCases := []struct { | ||
| name string | ||
| giveBalances []sdkmath.Int | ||
| }{ | ||
| { | ||
| "empty", | ||
| []sdkmath.Int{}, | ||
| }, | ||
| { | ||
| "min amount", | ||
| []sdkmath.Int{ | ||
| types.ConversionFactor().QuoRaw(2), | ||
| types.ConversionFactor().QuoRaw(2), | ||
| }, | ||
| }, | ||
| { | ||
| "exceeds conversion factor", | ||
| []sdkmath.Int{ | ||
| // 4 accounts * 0.5 == 2 | ||
| types.ConversionFactor().QuoRaw(2), | ||
| types.ConversionFactor().QuoRaw(2), | ||
| types.ConversionFactor().QuoRaw(2), | ||
| types.ConversionFactor().QuoRaw(2), | ||
| }, | ||
| }, | ||
| } | ||
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| for _, tc := range testCases { | ||
| suite.Run(tc.name, func() { | ||
| suite.SetupTest() | ||
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| total := sdk.NewCoin(types.ExtendedCoinDenom, sdkmath.ZeroInt()) | ||
| for i, balance := range tc.giveBalances { | ||
| addr := sdk.AccAddress([]byte(strconv.Itoa(i))) | ||
| suite.Keeper.SetFractionalBalance(suite.Ctx, addr, balance) | ||
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| total.Amount = total.Amount.Add(balance) | ||
| } | ||
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| res, err := suite.queryClient.TotalFractionalBalances( | ||
| context.Background(), | ||
| &types.QueryTotalFractionalBalancesRequest{}, | ||
| ) | ||
| suite.Require().NoError(err) | ||
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| suite.Require().Equal(total, res.Total) | ||
| }) | ||
| } | ||
| } |
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