0g-chain/x/hard/keeper/querier.go

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package keeper
import (
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
supplyexported "github.com/cosmos/cosmos-sdk/x/supply/exported"
abci "github.com/tendermint/tendermint/abci/types"
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"github.com/kava-labs/kava/x/hard/types"
)
// NewQuerier is the module level router for state queries
func NewQuerier(k Keeper) sdk.Querier {
return func(ctx sdk.Context, path []string, req abci.RequestQuery) (res []byte, err error) {
switch path[0] {
case types.QueryGetParams:
return queryGetParams(ctx, req, k)
case types.QueryGetModuleAccounts:
return queryGetModAccounts(ctx, req, k)
case types.QueryGetDeposits:
return queryGetDeposits(ctx, req, k)
case types.QueryGetTotalDeposited:
return queryGetTotalDeposited(ctx, req, k)
case types.QueryGetBorrows:
return queryGetBorrows(ctx, req, k)
case types.QueryGetTotalBorrowed:
return queryGetTotalBorrowed(ctx, req, k)
default:
return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unknown %s query endpoint", types.ModuleName)
}
}
}
func queryGetParams(ctx sdk.Context, _ abci.RequestQuery, k Keeper) ([]byte, error) {
// Get params
params := k.GetParams(ctx)
// Encode results
bz, err := codec.MarshalJSONIndent(k.cdc, params)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}
func queryGetModAccounts(ctx sdk.Context, req abci.RequestQuery, k Keeper) ([]byte, error) {
var params types.QueryAccountParams
err := types.ModuleCdc.UnmarshalJSON(req.Data, &params)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
var accs []supplyexported.ModuleAccountI
if len(params.Name) > 0 {
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acc := k.supplyKeeper.GetModuleAccount(ctx, params.Name)
accs = append(accs, acc)
} else {
acc := k.supplyKeeper.GetModuleAccount(ctx, types.ModuleAccountName)
accs = append(accs, acc)
acc = k.supplyKeeper.GetModuleAccount(ctx, types.LPAccount)
accs = append(accs, acc)
acc = k.supplyKeeper.GetModuleAccount(ctx, types.DelegatorAccount)
accs = append(accs, acc)
}
bz, err := codec.MarshalJSONIndent(k.cdc, accs)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}
func queryGetDeposits(ctx sdk.Context, req abci.RequestQuery, k Keeper) ([]byte, error) {
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var params types.QueryDepositsParams
err := types.ModuleCdc.UnmarshalJSON(req.Data, &params)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
denom := len(params.Denom) > 0
owner := len(params.Owner) > 0
var deposits types.Deposits
switch {
case owner && denom:
deposit, found := k.GetSyncedDeposit(ctx, params.Owner)
if found {
for _, coin := range deposit.Amount {
if coin.Denom == params.Denom {
deposits = append(deposits, deposit)
}
}
}
case owner:
deposit, found := k.GetSyncedDeposit(ctx, params.Owner)
if found {
deposits = append(deposits, deposit)
}
case denom:
k.IterateDeposits(ctx, func(deposit types.Deposit) (stop bool) {
if deposit.Amount.AmountOf(params.Denom).IsPositive() {
deposits = append(deposits, deposit)
}
return false
})
default:
k.IterateDeposits(ctx, func(deposit types.Deposit) (stop bool) {
deposits = append(deposits, deposit)
return false
})
}
var bz []byte
// If owner param was specified then deposits array already contains the user's synced deposit
if owner {
bz, err = codec.MarshalJSONIndent(types.ModuleCdc, deposits)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}
// Otherwise we need to simulate syncing of each deposit
var syncedDeposits types.Deposits
for _, deposit := range deposits {
syncedDeposit, _ := k.GetSyncedDeposit(ctx, deposit.Depositor)
syncedDeposits = append(syncedDeposits, syncedDeposit)
}
start, end := client.Paginate(len(syncedDeposits), params.Page, params.Limit, 100)
if start < 0 || end < 0 {
syncedDeposits = types.Deposits{}
} else {
syncedDeposits = syncedDeposits[start:end]
}
bz, err = codec.MarshalJSONIndent(types.ModuleCdc, syncedDeposits)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}
func queryGetBorrows(ctx sdk.Context, req abci.RequestQuery, k Keeper) ([]byte, error) {
var params types.QueryBorrowsParams
err := types.ModuleCdc.UnmarshalJSON(req.Data, &params)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
denom := len(params.Denom) > 0
owner := len(params.Owner) > 0
var borrows types.Borrows
switch {
case owner && denom:
borrow, found := k.GetSyncedBorrow(ctx, params.Owner)
if found {
for _, coin := range borrow.Amount {
if coin.Denom == params.Denom {
borrows = append(borrows, borrow)
}
}
}
case owner:
borrow, found := k.GetSyncedBorrow(ctx, params.Owner)
if found {
borrows = append(borrows, borrow)
}
case denom:
k.IterateBorrows(ctx, func(borrow types.Borrow) (stop bool) {
if borrow.Amount.AmountOf(params.Denom).IsPositive() {
borrows = append(borrows, borrow)
}
return false
})
default:
k.IterateBorrows(ctx, func(borrow types.Borrow) (stop bool) {
borrows = append(borrows, borrow)
return false
})
}
var bz []byte
// If owner param was specified then borrows array already contains the user's synced borrow
if owner {
bz, err = codec.MarshalJSONIndent(types.ModuleCdc, borrows)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}
// Otherwise we need to simulate syncing of each borrow
var syncedBorrows types.Borrows
for _, borrow := range borrows {
syncedBorrow, _ := k.GetSyncedBorrow(ctx, borrow.Borrower)
syncedBorrows = append(syncedBorrows, syncedBorrow)
}
start, end := client.Paginate(len(syncedBorrows), params.Page, params.Limit, 100)
if start < 0 || end < 0 {
syncedBorrows = types.Borrows{}
} else {
syncedBorrows = syncedBorrows[start:end]
}
bz, err = codec.MarshalJSONIndent(types.ModuleCdc, syncedBorrows)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}
func queryGetTotalBorrowed(ctx sdk.Context, req abci.RequestQuery, k Keeper) ([]byte, error) {
var params types.QueryTotalBorrowedParams
err := types.ModuleCdc.UnmarshalJSON(req.Data, &params)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
borrowedCoins, found := k.GetBorrowedCoins(ctx)
if !found {
return nil, types.ErrBorrowedCoinsNotFound
}
// If user specified a denom only return coins of that denom type
if len(params.Denom) > 0 {
borrowedCoins = sdk.NewCoins(sdk.NewCoin(params.Denom, borrowedCoins.AmountOf(params.Denom)))
}
bz, err := codec.MarshalJSONIndent(types.ModuleCdc, borrowedCoins)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}
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func queryGetTotalDeposited(ctx sdk.Context, req abci.RequestQuery, k Keeper) ([]byte, error) {
var params types.QueryTotalDepositedParams
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err := types.ModuleCdc.UnmarshalJSON(req.Data, &params)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
suppliedCoins, found := k.GetSuppliedCoins(ctx)
if !found {
return nil, types.ErrSuppliedCoinsNotFound
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}
// If user specified a denom only return coins of that denom type
if len(params.Denom) > 0 {
suppliedCoins = sdk.NewCoins(sdk.NewCoin(params.Denom, suppliedCoins.AmountOf(params.Denom)))
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}
bz, err := codec.MarshalJSONIndent(types.ModuleCdc, suppliedCoins)
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if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}