/
grpc_chain.go
54 lines (42 loc) · 1.44 KB
/
grpc_chain.go
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package keeper
import (
"context"
"github.com/cosmos/cosmos-sdk/store/prefix"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/query"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"github.com/tendermint/spn/x/launch/types"
)
func (k Keeper) ChainAll(c context.Context, req *types.QueryAllChainRequest) (*types.QueryAllChainResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "invalid request")
}
var chains []types.Chain
ctx := sdk.UnwrapSDKContext(c)
store := ctx.KVStore(k.storeKey)
chainStore := prefix.NewStore(store, types.KeyPrefix(types.ChainKeyPrefix))
pageRes, err := query.Paginate(chainStore, req.Pagination, func(key []byte, value []byte) error {
var chain types.Chain
if err := k.cdc.Unmarshal(value, &chain); err != nil {
return err
}
chains = append(chains, chain)
return nil
})
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.QueryAllChainResponse{Chain: chains, Pagination: pageRes}, nil
}
func (k Keeper) Chain(c context.Context, req *types.QueryGetChainRequest) (*types.QueryGetChainResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "invalid request")
}
ctx := sdk.UnwrapSDKContext(c)
val, found := k.GetChain(ctx, req.LaunchID)
if !found {
return nil, status.Error(codes.NotFound, "not found")
}
return &types.QueryGetChainResponse{Chain: val}, nil
}