/
querier.go
94 lines (75 loc) · 3.17 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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
package keeper
import (
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
abci "github.com/tendermint/tendermint/abci/types"
)
const (
QueryPaymentTemplate = "queryPaymentTemplate"
QueryPaymentContract = "queryPaymentContract"
QueryPaymentContractsByIdPrefix = "queryPaymentContractsByIdPrefix"
QuerySubscription = "querySubscription"
)
func NewQuerier(k Keeper, legacyQuerierCdc *codec.LegacyAmino) sdk.Querier {
return func(ctx sdk.Context, path []string, req abci.RequestQuery) (res []byte, err error) {
switch path[0] {
case QueryPaymentTemplate:
return queryPaymentTemplate(ctx, path[1:], k, legacyQuerierCdc)
case QueryPaymentContract:
return queryPaymentContract(ctx, path[1:], k, legacyQuerierCdc)
case QueryPaymentContractsByIdPrefix:
return queryPaymentContractsByIdPrefix(ctx, path[1:], k, legacyQuerierCdc)
case QuerySubscription:
return querySubscription(ctx, path[1:], k, legacyQuerierCdc)
default:
return nil, sdkerrors.Wrap(sdkerrors.ErrUnknownRequest, "unknown payments query endpoint")
}
}
}
func queryPaymentTemplate(ctx sdk.Context, path []string, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
templateId := path[0]
template, err := k.GetPaymentTemplate(ctx, templateId)
if err != nil {
return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest,
"payment template '%s' does not exist", templateId)
}
res, err := codec.MarshalJSONIndent(legacyQuerierCdc, template)
if err != nil {
return nil, sdkerrors.Wrapf(sdkerrors.ErrJSONMarshal, "failed to marshal JSON: %s", err.Error())
}
return res, nil
}
func queryPaymentContract(ctx sdk.Context, path []string, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
contractId := path[0]
contract, err := k.GetPaymentContract(ctx, contractId)
if err != nil {
return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "payment contract '%s' does not exist", contractId)
}
res, err := codec.MarshalJSONIndent(legacyQuerierCdc, contract)
if err != nil {
return nil, sdkerrors.Wrapf(sdkerrors.ErrJSONMarshal, "failed to marshal JSON: %s", err.Error())
}
return res, nil
}
func queryPaymentContractsByIdPrefix(ctx sdk.Context, path []string, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
contractIdPrefix := path[0]
contracts := k.GetPaymentContractsByPrefix(ctx, contractIdPrefix)
res, err := codec.MarshalJSONIndent(legacyQuerierCdc, contracts)
if err != nil {
return nil, sdkerrors.Wrapf(sdkerrors.ErrJSONMarshal, "failed to marshal JSON: %s", err.Error())
}
return res, nil
}
func querySubscription(ctx sdk.Context, path []string, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
subscriptionId := path[0]
subscription, err := k.GetSubscription(ctx, subscriptionId)
if err != nil {
return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "subscription '%s' does not exist", subscriptionId)
}
res, err := codec.MarshalJSONIndent(legacyQuerierCdc, subscription)
if err != nil {
return nil, sdkerrors.Wrapf(sdkerrors.ErrJSONMarshal, "failed to marshal JSON: %s", err.Error())
}
return res, nil
}