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querier.go
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querier.go
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package keeper
import (
"fmt"
"github.com/fastock/fastock-chain/x/staking"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/fastock/fastock-chain/x/debug/types"
abci "github.com/tendermint/tendermint/abci/types"
)
// NewDebugger returns query handler for module debug
func NewDebugger(keeper Keeper) sdk.Querier {
return func(ctx sdk.Context, path []string, req abci.RequestQuery) (res []byte, err sdk.Error) {
switch path[0] {
case types.DumpStore:
return dumpStore(ctx, req, keeper)
case types.SanityCheckShares:
return sanityCheckShares(ctx, keeper)
case types.InvariantCheck:
return invariantCheck(ctx, keeper)
default:
return nil, sdk.ErrUnknownRequest("unknown common query endpoint")
}
}
}
func dumpStore(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, sdk.Error) {
var params types.DumpInfoParams
err := keeper.GetCDC().UnmarshalJSON(req.Data, ¶ms)
if err != nil {
return nil, sdk.ErrUnknownRequest(sdk.AppendMsgToErr("incorrectly formatted request data", err.Error()))
}
keeper.DumpStore(ctx, params.Module)
return nil, nil
}
func sanityCheckShares(ctx sdk.Context, keeper Keeper) ([]byte, sdk.Error) {
stakingKeeper, ok := keeper.stakingKeeper.(staking.Keeper)
if !ok {
return nil, sdk.ErrInternal("staking keeper mismatch")
}
invariantFunc := staking.DelegatorAddSharesInvariant(stakingKeeper)
msg, broken := invariantFunc(ctx)
if broken {
return nil, sdk.ErrInternal(msg)
}
return []byte("sanity check passed"), nil
}
func invariantCheck(ctx sdk.Context, keeper Keeper) (res []byte, err sdk.Error) {
defer func() {
if e := recover(); e != nil {
res, err = []byte(fmt.Sprintf("failed to check ivariant:\n\t%v", e)), nil
}
}()
keeper.crisisKeeper.AssertInvariants(ctx)
return []byte("invariant check passed"), nil
}