-
Notifications
You must be signed in to change notification settings - Fork 0
/
querier.go
80 lines (62 loc) · 2.26 KB
/
querier.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
package keeper
import (
"github.com/soominhyunwoo/chain-sdk/client"
"github.com/soominhyunwoo/chain-sdk/codec"
sdk "github.com/soominhyunwoo/chain-sdk/types"
sdkerrors "github.com/soominhyunwoo/chain-sdk/types/errors"
"github.com/soominhyunwoo/chain-sdk/x/evidence/exported"
"github.com/soominhyunwoo/chain-sdk/x/evidence/types"
abci "github.com/soominhyunwoo/tendermint/abci/types"
)
func NewQuerier(k Keeper, legacyQuerierCdc *codec.LegacyAmino) sdk.Querier {
return func(ctx sdk.Context, path []string, req abci.RequestQuery) ([]byte, error) {
var (
res []byte
err error
)
switch path[0] {
case types.QueryEvidence:
res, err = queryEvidence(ctx, req, k, legacyQuerierCdc)
case types.QueryAllEvidence:
res, err = queryAllEvidence(ctx, req, k, legacyQuerierCdc)
default:
err = sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unknown %s query endpoint: %s", types.ModuleName, path[0])
}
return res, err
}
}
func queryEvidence(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
var params types.QueryEvidenceRequest
err := legacyQuerierCdc.UnmarshalJSON(req.Data, ¶ms)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
evidence, ok := k.GetEvidence(ctx, params.EvidenceHash)
if !ok {
return nil, sdkerrors.Wrap(types.ErrNoEvidenceExists, params.EvidenceHash.String())
}
res, err := codec.MarshalJSONIndent(legacyQuerierCdc, evidence)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return res, nil
}
func queryAllEvidence(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
var params types.QueryAllEvidenceParams
err := legacyQuerierCdc.UnmarshalJSON(req.Data, ¶ms)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
evidence := k.GetAllEvidence(ctx)
start, end := client.Paginate(len(evidence), params.Page, params.Limit, 100)
if start < 0 || end < 0 {
evidence = []exported.Evidence{}
} else {
evidence = evidence[start:end]
}
res, err := codec.MarshalJSONIndent(legacyQuerierCdc, evidence)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return res, nil
}