/
querier_milestone.go
94 lines (73 loc) · 2.83 KB
/
querier_milestone.go
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package checkpoint
import (
"encoding/json"
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/maticnetwork/heimdall/checkpoint/types"
"github.com/maticnetwork/heimdall/common"
)
// handleQueryLatestMilestone to get the latest milestone
func handleQueryLatestMilestone(ctx sdk.Context, keeper Keeper) ([]byte, sdk.Error) {
res, err := keeper.GetLastMilestone(ctx)
if err != nil {
return nil, sdk.ErrInternal(sdk.AppendMsgToErr("could not fetch milestone", err.Error()))
}
if res == nil {
return nil, common.ErrNoMilestoneFound(keeper.Codespace())
}
bz, err := json.Marshal(res)
if err != nil {
return nil, sdk.ErrInternal(sdk.AppendMsgToErr("could not marshal result to JSON", err.Error()))
}
return bz, nil
}
// handleQueryMilestoneByNumber to get the milestone by number
func handleQueryMilestoneByNumber(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, sdk.Error) {
var params types.QueryMilestoneParams
if err := keeper.cdc.UnmarshalJSON(req.Data, ¶ms); err != nil {
return nil, sdk.ErrInternal(fmt.Sprintf("failed to parse params: %s", err))
}
res, err := keeper.GetMilestoneByNumber(ctx, params.Number)
if err != nil {
return nil, sdk.ErrInternal(sdk.AppendMsgToErr("could not fetch milestone", err.Error()))
}
if res == nil {
return nil, common.ErrNoMilestoneFound(keeper.Codespace())
}
bz, err := json.Marshal(res)
if err != nil {
return nil, sdk.ErrInternal(sdk.AppendMsgToErr("could not marshal result to JSON", err.Error()))
}
return bz, nil
}
// handleQueryCount to get the count
func handleQueryCount(ctx sdk.Context, keeper Keeper) ([]byte, sdk.Error) {
bz, err := json.Marshal(keeper.GetMilestoneCount(ctx))
if err != nil {
return nil, sdk.ErrInternal(sdk.AppendMsgToErr("could not marshal result to JSON", err.Error()))
}
return bz, nil
}
// handleQueryLatestNoAckMilestone to get lasted no ack milestone id
func handleQueryLatestNoAckMilestone(ctx sdk.Context, keeper Keeper) ([]byte, sdk.Error) {
res := keeper.GetLastNoAckMilestone(ctx)
bz, err := json.Marshal(res)
if err != nil {
return nil, sdk.ErrInternal(sdk.AppendMsgToErr("could not marshal result to JSON", err.Error()))
}
return bz, nil
}
// handleQueryNoAckMilestoneByID to check whether the particular id exist in no-ack list(rejected milestone list)
func handleQueryNoAckMilestoneByID(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, sdk.Error) {
var ID types.QueryMilestoneID
if err := keeper.cdc.UnmarshalJSON(req.Data, &ID); err != nil {
return nil, sdk.ErrInternal(fmt.Sprintf("failed to parse milestoneID: %s", err))
}
res := keeper.GetNoAckMilestone(ctx, ID.MilestoneID)
bz, err := json.Marshal(res)
if err != nil {
return nil, sdk.ErrInternal(sdk.AppendMsgToErr("could not marshal result to JSON", err.Error()))
}
return bz, nil
}