forked from cosmos/cosmos-sdk
/
grpc_query.go
166 lines (128 loc) · 4.96 KB
/
grpc_query.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
package keeper
import (
"context"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"github.com/eligion/cosmos-sdk/store/prefix"
sdk "github.com/eligion/cosmos-sdk/types"
"github.com/eligion/cosmos-sdk/types/query"
"github.com/eligion/cosmos-sdk/x/bank/types"
)
var _ types.QueryServer = BaseKeeper{}
// Balance implements the Query/Balance gRPC method
func (k BaseKeeper) Balance(ctx context.Context, req *types.QueryBalanceRequest) (*types.QueryBalanceResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
if req.Address == "" {
return nil, status.Error(codes.InvalidArgument, "address cannot be empty")
}
if req.Denom == "" {
return nil, status.Error(codes.InvalidArgument, "invalid denom")
}
sdkCtx := sdk.UnwrapSDKContext(ctx)
address, err := sdk.AccAddressFromBech32(req.Address)
if err != nil {
return nil, status.Errorf(codes.InvalidArgument, "invalid address: %s", err.Error())
}
balance := k.GetBalance(sdkCtx, address, req.Denom)
return &types.QueryBalanceResponse{Balance: &balance}, nil
}
// AllBalances implements the Query/AllBalances gRPC method
func (k BaseKeeper) AllBalances(ctx context.Context, req *types.QueryAllBalancesRequest) (*types.QueryAllBalancesResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
if req.Address == "" {
return nil, status.Error(codes.InvalidArgument, "address cannot be empty")
}
addr, err := sdk.AccAddressFromBech32(req.Address)
if err != nil {
return nil, status.Errorf(codes.InvalidArgument, "invalid address: %s", err.Error())
}
sdkCtx := sdk.UnwrapSDKContext(ctx)
balances := sdk.NewCoins()
accountStore := k.getAccountStore(sdkCtx, addr)
pageRes, err := query.Paginate(accountStore, req.Pagination, func(_, value []byte) error {
var result sdk.Coin
err := k.cdc.Unmarshal(value, &result)
if err != nil {
return err
}
balances = append(balances, result)
return nil
})
if err != nil {
return nil, status.Errorf(codes.InvalidArgument, "paginate: %v", err)
}
return &types.QueryAllBalancesResponse{Balances: balances, Pagination: pageRes}, nil
}
// TotalSupply implements the Query/TotalSupply gRPC method
func (k BaseKeeper) TotalSupply(ctx context.Context, req *types.QueryTotalSupplyRequest) (*types.QueryTotalSupplyResponse, error) {
sdkCtx := sdk.UnwrapSDKContext(ctx)
totalSupply, pageRes, err := k.GetPaginatedTotalSupply(sdkCtx, req.Pagination)
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.QueryTotalSupplyResponse{Supply: totalSupply, Pagination: pageRes}, nil
}
// SupplyOf implements the Query/SupplyOf gRPC method
func (k BaseKeeper) SupplyOf(c context.Context, req *types.QuerySupplyOfRequest) (*types.QuerySupplyOfResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
if req.Denom == "" {
return nil, status.Error(codes.InvalidArgument, "invalid denom")
}
ctx := sdk.UnwrapSDKContext(c)
supply := k.GetSupply(ctx, req.Denom)
return &types.QuerySupplyOfResponse{Amount: sdk.NewCoin(req.Denom, supply.Amount)}, nil
}
// Params implements the gRPC service handler for querying x/bank parameters.
func (k BaseKeeper) Params(ctx context.Context, req *types.QueryParamsRequest) (*types.QueryParamsResponse, error) {
if req == nil {
return nil, status.Errorf(codes.InvalidArgument, "empty request")
}
sdkCtx := sdk.UnwrapSDKContext(ctx)
params := k.GetParams(sdkCtx)
return &types.QueryParamsResponse{Params: params}, nil
}
// DenomsMetadata implements Query/DenomsMetadata gRPC method.
func (k BaseKeeper) DenomsMetadata(c context.Context, req *types.QueryDenomsMetadataRequest) (*types.QueryDenomsMetadataResponse, error) {
if req == nil {
return nil, status.Errorf(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(c)
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.DenomMetadataPrefix)
metadatas := []types.Metadata{}
pageRes, err := query.Paginate(store, req.Pagination, func(_, value []byte) error {
var metadata types.Metadata
k.cdc.MustUnmarshal(value, &metadata)
metadatas = append(metadatas, metadata)
return nil
})
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.QueryDenomsMetadataResponse{
Metadatas: metadatas,
Pagination: pageRes,
}, nil
}
// DenomMetadata implements Query/DenomMetadata gRPC method.
func (k BaseKeeper) DenomMetadata(c context.Context, req *types.QueryDenomMetadataRequest) (*types.QueryDenomMetadataResponse, error) {
if req == nil {
return nil, status.Errorf(codes.InvalidArgument, "empty request")
}
if req.Denom == "" {
return nil, status.Error(codes.InvalidArgument, "invalid denom")
}
ctx := sdk.UnwrapSDKContext(c)
metadata, found := k.GetDenomMetaData(ctx, req.Denom)
if !found {
return nil, status.Errorf(codes.NotFound, "client metadata for denom %s", req.Denom)
}
return &types.QueryDenomMetadataResponse{
Metadata: metadata,
}, nil
}