/
querier.go
95 lines (79 loc) · 2.93 KB
/
querier.go
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package keeper
import (
abci "github.com/tendermint/tendermint/abci/types"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/irisnet/irismod/modules/token/types"
)
func NewQuerier(k Keeper, legacyQuerierCdc *codec.LegacyAmino) sdk.Querier {
return func(ctx sdk.Context, path []string, req abci.RequestQuery) ([]byte, error) {
switch path[0] {
case types.QueryToken:
return queryToken(ctx, req, k, legacyQuerierCdc)
case types.QueryTokens:
return queryTokens(ctx, req, k, legacyQuerierCdc)
case types.QueryFees:
return queryFees(ctx, req, k, legacyQuerierCdc)
case types.QueryParams:
return queryParams(ctx, req, k, legacyQuerierCdc)
case types.QueryTotalBurn:
return queryTotalBurn(ctx, req, k, legacyQuerierCdc)
default:
return nil, sdkerrors.Wrap(sdkerrors.ErrUnknownRequest, "unknown token query endpoint")
}
}
}
func queryToken(ctx sdk.Context, req abci.RequestQuery, keeper Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
var params types.QueryTokenParams
if err := legacyQuerierCdc.UnmarshalJSON(req.Data, ¶ms); err != nil {
return nil, err
}
token, err := keeper.GetToken(ctx, params.Denom)
if err != nil {
return nil, err
}
return codec.MarshalJSONIndent(legacyQuerierCdc, token)
}
func queryTokens(ctx sdk.Context, req abci.RequestQuery, keeper Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
var params types.QueryTokensParams
if err := legacyQuerierCdc.UnmarshalJSON(req.Data, ¶ms); err != nil {
return nil, err
}
tokens := keeper.GetTokens(ctx, params.Owner)
return codec.MarshalJSONIndent(legacyQuerierCdc, tokens)
}
func queryFees(ctx sdk.Context, req abci.RequestQuery, keeper Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
var params types.QueryTokenFeesParams
if err := legacyQuerierCdc.UnmarshalJSON(req.Data, ¶ms); err != nil {
return nil, err
}
if err := types.ValidateSymbol(params.Symbol); err != nil {
return nil, err
}
issueFee, err := keeper.GetTokenIssueFee(ctx, params.Symbol)
if err != nil {
return nil, err
}
mintFee, err := keeper.GetTokenMintFee(ctx, params.Symbol)
if err != nil {
return nil, err
}
fees := types.QueryFeesResponse{
Exist: keeper.HasToken(ctx, params.Symbol),
IssueFee: issueFee,
MintFee: mintFee,
}
return codec.MarshalJSONIndent(legacyQuerierCdc, fees)
}
func queryParams(ctx sdk.Context, _ abci.RequestQuery, keeper Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
params := keeper.GetParamSet(ctx)
return codec.MarshalJSONIndent(legacyQuerierCdc, params)
}
func queryTotalBurn(ctx sdk.Context, _ abci.RequestQuery, keeper Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
resp, err := keeper.TotalBurn(sdk.WrapSDKContext(ctx), &types.QueryTotalBurnRequest{})
if err != nil {
return nil, err
}
return codec.MarshalJSONIndent(legacyQuerierCdc, resp)
}