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grpc_query.go
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grpc_query.go
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package keeper
import (
"context"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkquery "github.com/cosmos/cosmos-sdk/types/query"
types "github.com/akash-network/akash-api/go/node/provider/v1beta3"
)
// Querier is used as Keeper will have duplicate methods if used directly, and gRPC names take precedence over keeper
type Querier struct {
Keeper
}
var _ types.QueryServer = Querier{}
// Providers returns providers list
func (k Querier) Providers(c context.Context, req *types.QueryProvidersRequest) (*types.QueryProvidersResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
var providers types.Providers
ctx := sdk.UnwrapSDKContext(c)
store := ctx.KVStore(k.skey)
pageRes, err := sdkquery.Paginate(store, req.Pagination, func(key []byte, value []byte) error {
var provider types.Provider
err := k.cdc.Unmarshal(value, &provider)
if err != nil {
return err
}
providers = append(providers, provider)
return nil
})
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.QueryProvidersResponse{
Providers: providers,
Pagination: pageRes,
}, nil
}
// Provider returns provider details based on owner address
func (k Querier) Provider(c context.Context, req *types.QueryProviderRequest) (*types.QueryProviderResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
owner, err := sdk.AccAddressFromBech32(req.Owner)
if err != nil {
return nil, types.ErrInvalidAddress
}
ctx := sdk.UnwrapSDKContext(c)
provider, found := k.Get(ctx, owner)
if !found {
return nil, types.ErrProviderNotFound
}
return &types.QueryProviderResponse{Provider: provider}, nil
}