check spendable when making bid, groundwork for built-in transfers

app/app.go

@@ -394,6 +394,7 @@ func New(
 		keys[cosmostestmoduletypes.StoreKey],
 		keys[cosmostestmoduletypes.MemStoreKey],
 		app.GetSubspace(cosmostestmoduletypes.ModuleName),
+		app.BankKeeper,
 	)
 	cosmostestModule := cosmostestmodule.NewAppModule(appCodec, app.CosmostestKeeper, app.AccountKeeper, app.BankKeeper)
 

go.mod

@@ -87,6 +87,7 @@ require (
 	github.com/gorilla/handlers v1.5.1 // indirect
 	github.com/gorilla/websocket v1.5.0 // indirect
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.11.3 // indirect
 	github.com/gsterjov/go-libsecret v0.0.0-20161001094733-a6f4afe4910c // indirect
 	github.com/gtank/merlin v0.1.1 // indirect
 	github.com/gtank/ristretto255 v0.1.2 // indirect

go.sum

@@ -734,6 +734,8 @@ github.com/grpc-ecosystem/grpc-gateway v1.9.0/go.mod h1:vNeuVxBJEsws4ogUvrchl83t
 github.com/grpc-ecosystem/grpc-gateway v1.9.5/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0 h1:gmcG1KaJ57LophUzW0Hy8NmPhnMZb4M0+kPpLofRdBo=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.11.3 h1:lLT7ZLSzGLI08vc9cpd+tYmNWjdKDqyr/2L+f6U12Fk=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.11.3/go.mod h1:o//XUCC/F+yRGJoPO/VU0GSB0f8Nhgmxx0VIRUvaC0w=
 github.com/gsterjov/go-libsecret v0.0.0-20161001094733-a6f4afe4910c h1:6rhixN/i8ZofjG1Y75iExal34USq5p+wiN1tpie8IrU=
 github.com/gsterjov/go-libsecret v0.0.0-20161001094733-a6f4afe4910c/go.mod h1:NMPJylDgVpX0MLRlPy15sqSwOFv/U1GZ2m21JhFfek0=
 github.com/gtank/merlin v0.1.1-0.20191105220539-8318aed1a79f/go.mod h1:T86dnYJhcGOh5BjZFCJWTDeTK7XW8uE+E21Cy/bIQ+s=

testutil/keeper/cosmostest.go

@@ -5,6 +5,7 @@ import (
 
 	"cosmos-test/x/cosmostest/keeper"
 	"cosmos-test/x/cosmostest/types"
+
 	"github.com/cosmos/cosmos-sdk/codec"
 	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
 	"github.com/cosmos/cosmos-sdk/store"
@@ -36,11 +37,14 @@ func CosmostestKeeper(t testing.TB) (*keeper.Keeper, sdk.Context) {
 		memStoreKey,
 		"CosmostestParams",
 	)
+
 	k := keeper.NewKeeper(
 		cdc,
 		storeKey,
 		memStoreKey,
 		paramsSubspace,
+		// probably fix this later o_0
+		*new(types.BankKeeper),
 	)
 
 	ctx := sdk.NewContext(stateStore, tmproto.Header{}, false, log.NewNopLogger())

x/cosmostest/keeper/auction_expiry.go

@@ -32,8 +32,14 @@ func (k *Keeper) EndExpiredAuctions(ctx types.Context) {
 			if err != nil {
 				return errors.Errorf("could not get highest bid for auction %s: %s", auctionId, err)
 			}
-			k.SetAuction(ctx, auction)
+
+			// clear auction
 			memdb.BidDB.ClearAuction(auctionId)
+
+			// pay out user
+
+			// end auction
+			k.SetAuction(ctx, auction)
 		}
 
 		return nil

x/cosmostest/keeper/keeper.go

@@ -6,6 +6,7 @@ import (
 	"github.com/tendermint/tendermint/libs/log"
 
 	"cosmos-test/x/cosmostest/types"
+
 	"github.com/cosmos/cosmos-sdk/codec"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
@@ -17,6 +18,7 @@ type (
 		storeKey   sdk.StoreKey
 		memKey     sdk.StoreKey
 		paramstore paramtypes.Subspace
+		bank       types.BankKeeper
 	}
 )
 
@@ -25,7 +27,7 @@ func NewKeeper(
 	storeKey,
 	memKey sdk.StoreKey,
 	ps paramtypes.Subspace,
-
+	bank types.BankKeeper,
 ) *Keeper {
 	// set KeyTable if it has not already been set
 	if !ps.HasKeyTable() {
@@ -33,11 +35,11 @@ func NewKeeper(
 	}
 
 	return &Keeper{
-
 		cdc:        cdc,
 		storeKey:   storeKey,
 		memKey:     memKey,
 		paramstore: ps,
+		bank:       bank,
 	}
 }
 

x/cosmostest/keeper/msg_server_new_bid.go

@@ -15,7 +15,7 @@ import (
 func (k msgServer) NewBid(goCtx context.Context, msg *types.MsgNewBid) (*types.MsgNewBidResponse, error) {
 	ctx := sdk.UnwrapSDKContext(goCtx)
 
-	_, found := k.Keeper.GetAuction(ctx, msg.AuctionIndex)
+	auction, found := k.Keeper.GetAuction(ctx, msg.AuctionIndex)
 	if !found {
 		return nil, fmt.Errorf("didn't find auction of index %s", msg.AuctionIndex)
 	}
@@ -38,6 +38,17 @@ func (k msgServer) NewBid(goCtx context.Context, msg *types.MsgNewBid) (*types.M
 		return nil, fmt.Errorf("bid amount must be greater than 0")
 	}
 
+	addr, err := sdk.AccAddressFromBech32(msg.Creator)
+	if err != nil {
+		return nil, fmt.Errorf("sender address `%s` format invalid (bech32 required)", msg.Creator)
+	}
+
+	spendable := k.bank.SpendableCoins(ctx, addr)
+	// if balance does not exceed or equal proposed bid amount...
+	if spendable.AmountOf(auction.Denom).BigInt().Cmp(amt) == -1 {
+		return nil, fmt.Errorf("not enough balance to bid %s%s", msg.Amount, auction.Denom)
+	}
+
 	lowestBid, err := memdb.BidDB.GetLowestBid(msg.AuctionIndex)
 	// we manually handle KeyNotFound in GetHighestBid, so should return (nil, nil) if not found
 	if err != nil {

x/cosmostest/types/tx.pb.go

@@ -31,7 +31,8 @@ type MsgNewAuction struct {
 	Creator     string `protobuf:"bytes,1,opt,name=creator,proto3" json:"creator,omitempty"`
 	Name        string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
 	Description string `protobuf:"bytes,3,opt,name=description,proto3" json:"description,omitempty"`
-	Denom       string `protobuf:"bytes,4,opt,name=denom,proto3" json:"denom,omitempty"`
+	Ceiling     string `protobuf:"bytes,4,opt,name=ceiling,proto3" json:"ceiling,omitempty"`
+	Denom       string `protobuf:"bytes,5,opt,name=denom,proto3" json:"denom,omitempty"`
 }
 
 func (m *MsgNewAuction) Reset()         { *m = MsgNewAuction{} }
@@ -88,6 +89,13 @@ func (m *MsgNewAuction) GetDescription() string {
 	return ""
 }
 
+func (m *MsgNewAuction) GetCeiling() string {
+	if m != nil {
+		return m.Ceiling
+	}
+	return ""
+}
+
 func (m *MsgNewAuction) GetDenom() string {
 	if m != nil {
 		return m.Denom
@@ -245,27 +253,28 @@ func init() {
 func init() { proto.RegisterFile("cosmostest/tx.proto", fileDescriptor_2fcd5aa4ac15d93c) }
 
 var fileDescriptor_2fcd5aa4ac15d93c = []byte{
-	// 306 bytes of a gzipped FileDescriptorProto
+	// 321 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x12, 0x4e, 0xce, 0x2f, 0xce,
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x92, 0x3f, 0x4f, 0xf3, 0x30,
-	0xcd, 0x2f, 0x2e, 0x49, 0x2d, 0x2e, 0xd1, 0x2f, 0xa9, 0xd0, 0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x17,
+	0x10, 0xc6, 0xeb, 0xb7, 0x7f, 0x5e, 0xf5, 0x80, 0x01, 0x97, 0x22, 0xab, 0x42, 0x56, 0x15, 0x31,
-	0x12, 0x45, 0x08, 0xea, 0x21, 0x98, 0x4a, 0xa5, 0x5c, 0xbc, 0xbe, 0xc5, 0xe9, 0x7e, 0xa9, 0xe5,
+	0x74, 0x80, 0x54, 0x02, 0x21, 0xb1, 0xd2, 0x8d, 0xa1, 0x0c, 0x15, 0x13, 0x13, 0x21, 0xb6, 0x2a,
-	0x8e, 0xa5, 0xc9, 0x25, 0x99, 0xf9, 0x79, 0x42, 0x12, 0x5c, 0xec, 0xc9, 0x45, 0xa9, 0x89, 0x25,
+	0x4b, 0xc4, 0x8e, 0x62, 0x57, 0x84, 0x4f, 0x01, 0x5f, 0x88, 0x9d, 0xb1, 0x23, 0x23, 0x4a, 0xbe,
-	0xf9, 0x45, 0x12, 0x8c, 0x0a, 0x8c, 0x1a, 0x9c, 0x41, 0x30, 0xae, 0x90, 0x10, 0x17, 0x4b, 0x5e,
+	0x08, 0xc2, 0x71, 0x9a, 0x44, 0x42, 0x85, 0xcd, 0xcf, 0x2f, 0xf7, 0x5c, 0xee, 0x39, 0x1d, 0x0c,
-	0x62, 0x6e, 0xaa, 0x04, 0x13, 0x58, 0x18, 0xcc, 0x16, 0x52, 0xe0, 0xe2, 0x4e, 0x49, 0x2d, 0x4e,
+	0x42, 0xa5, 0x23, 0xa5, 0x0d, 0xd7, 0x66, 0x6a, 0x52, 0x3f, 0x4e, 0x94, 0x51, 0x78, 0x58, 0x41,
-	0x2e, 0xca, 0x2c, 0x00, 0x69, 0x96, 0x60, 0x06, 0x4b, 0x21, 0x0b, 0x09, 0x89, 0x70, 0xb1, 0xa6,
+	0xbf, 0x7a, 0x7a, 0x2f, 0x08, 0xf6, 0xe6, 0x7a, 0x79, 0xc3, 0x9f, 0xae, 0x56, 0xa1, 0x11, 0x4a,
-	0xa4, 0xe6, 0xe5, 0xe7, 0x4a, 0xb0, 0x80, 0xe5, 0x20, 0x1c, 0x25, 0x53, 0x2e, 0x51, 0x14, 0x6b,
+	0x62, 0x02, 0xff, 0xc3, 0x84, 0x07, 0x46, 0x25, 0x04, 0x8d, 0xd1, 0xa4, 0xbf, 0x28, 0x25, 0xc6,
-	0x83, 0x52, 0x8b, 0x0b, 0xf2, 0xf3, 0x8a, 0x53, 0x85, 0x64, 0xb8, 0x38, 0x13, 0x21, 0x42, 0x9e,
+	0xd0, 0x91, 0x41, 0xc4, 0xc9, 0x3f, 0x8b, 0xed, 0x1b, 0x8f, 0x61, 0x87, 0x71, 0x1d, 0x26, 0x22,
-	0x29, 0x50, 0x07, 0x20, 0x04, 0x94, 0x12, 0xb9, 0x38, 0x21, 0xda, 0x9c, 0x32, 0x53, 0xf0, 0xb8,
+	0xfe, 0x36, 0x93, 0xb6, 0xfd, 0x54, 0x47, 0xb6, 0x1f, 0x17, 0x8f, 0x42, 0x2e, 0x49, 0xc7, 0xf5,
-	0x54, 0x89, 0x8b, 0x07, 0xa6, 0x27, 0x2f, 0x25, 0xb5, 0x02, 0xea, 0x62, 0x14, 0x31, 0x21, 0x31,
+	0x2b, 0x24, 0x3e, 0x80, 0x2e, 0xe3, 0x52, 0x45, 0xa4, 0x6b, 0x79, 0x21, 0xbc, 0x0b, 0x18, 0x36,
-	0x2e, 0xb6, 0xc4, 0xdc, 0xfc, 0xd2, 0xbc, 0x12, 0xa8, 0xa3, 0xa1, 0x3c, 0x25, 0x61, 0x2e, 0x41,
+	0x06, 0x5a, 0x70, 0x1d, 0x2b, 0xa9, 0x39, 0x3e, 0x82, 0x7e, 0x50, 0xa0, 0x6b, 0xe6, 0x46, 0xab,
-	0xb8, 0x15, 0x30, 0x57, 0x19, 0xed, 0x65, 0xe4, 0x62, 0xf6, 0x2d, 0x4e, 0x17, 0x4a, 0xe0, 0xe2,
+	0x80, 0x17, 0x40, 0xbf, 0xb0, 0xcd, 0x04, 0xdb, 0x92, 0xc1, 0x83, 0xdd, 0xd2, 0x23, 0x19, 0x4f,
-	0x42, 0x0a, 0x2a, 0x15, 0x3d, 0xac, 0x61, 0xaa, 0x87, 0xe2, 0x33, 0x29, 0x1d, 0x62, 0x54, 0xc1,
+	0x5d, 0x96, 0x06, 0xc3, 0x87, 0xd0, 0x0b, 0x22, 0xb5, 0x92, 0xc6, 0xc5, 0x71, 0xca, 0x1b, 0xc0,
-	0xfd, 0x1f, 0xc2, 0xc5, 0x06, 0xf5, 0x9e, 0x02, 0x5e, 0x7d, 0x4e, 0x99, 0x29, 0x52, 0x1a, 0x84,
+	0xfe, 0xe6, 0x17, 0xe5, 0x54, 0x67, 0x6f, 0x08, 0xda, 0x73, 0xbd, 0xc4, 0xf7, 0x00, 0xb5, 0x25,
-	0x54, 0xc0, 0x4c, 0x75, 0xb2, 0x38, 0xf1, 0x48, 0x8e, 0xf1, 0xc2, 0x23, 0x39, 0xc6, 0x07, 0x8f,
+	0x1e, 0xfb, 0x3f, 0xae, 0xdb, 0x6f, 0x24, 0x1b, 0x9d, 0xfc, 0xa5, 0x6a, 0x93, 0xff, 0x16, 0x7a,
-	0xe4, 0x18, 0x27, 0x3c, 0x96, 0x63, 0xb8, 0xf0, 0x58, 0x8e, 0xe1, 0xc6, 0x63, 0x39, 0x86, 0x28,
+	0x2e, 0xde, 0x78, 0xab, 0x6f, 0x26, 0xd8, 0x68, 0xf2, 0x5b, 0x45, 0xd9, 0x75, 0x76, 0xf9, 0x9e,
-	0x39, 0x88, 0x3e, 0x5d, 0x70, 0x62, 0xa9, 0xd0, 0x47, 0x4e, 0x39, 0x95, 0x05, 0xa9, 0xc5, 0x49,
+	0x51, 0xb4, 0xce, 0x28, 0xfa, 0xcc, 0x28, 0x7a, 0xcd, 0x69, 0x6b, 0x9d, 0xd3, 0xd6, 0x47, 0x4e,
-	0x6c, 0xe0, 0xd4, 0x63, 0x0c, 0x08, 0x00, 0x00, 0xff, 0xff, 0x30, 0x36, 0x68, 0x3f, 0x54, 0x02,
+	0x5b, 0x77, 0xb4, 0xf0, 0x9d, 0xda, 0x3b, 0x4a, 0xa7, 0xf5, 0xa3, 0x7a, 0x8e, 0xb9, 0x7e, 0xe8,
-	0x00, 0x00,
+	0xd9, 0xc3, 0x3a, 0xff, 0x0a, 0x00, 0x00, 0xff, 0xff, 0x1b, 0x53, 0xda, 0x87, 0x6f, 0x02, 0x00,
+	0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -409,6 +418,13 @@ func (m *MsgNewAuction) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		copy(dAtA[i:], m.Denom)
 		i = encodeVarintTx(dAtA, i, uint64(len(m.Denom)))
 		i--
+		dAtA[i] = 0x2a
+	}
+	if len(m.Ceiling) > 0 {
+		i -= len(m.Ceiling)
+		copy(dAtA[i:], m.Ceiling)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.Ceiling)))
+		i--
 		dAtA[i] = 0x22
 	}
 	if len(m.Description) > 0 {
@@ -561,6 +577,10 @@ func (m *MsgNewAuction) Size() (n int) {
 	if l > 0 {
 		n += 1 + l + sovTx(uint64(l))
 	}
+	l = len(m.Ceiling)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
 	l = len(m.Denom)
 	if l > 0 {
 		n += 1 + l + sovTx(uint64(l))
@@ -743,6 +763,38 @@ func (m *MsgNewAuction) Unmarshal(dAtA []byte) error {
 			m.Description = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
 		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Ceiling", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTx
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthTx
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Ceiling = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 5:
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field Denom", wireType)
 			}