0g-chain/x/harvest/keeper/querier.go
Denali Marsh 1442deb3dc
Harvest basic borrow functionality (#702)
* basic borrow types

* borrow keeper scaffolding

* borrow limits param

* integrate pricefeed keeper

* msg handling and querier

* borrow user validation

* update migration scripts for compile

* borrows querier, fixes

* add money market param

* add spot market ID to params, refactor pricefeed

* working bnb -> ukava borrows

* refactor to getAssetPrice

* conversion_factor param, refactor validateBorrow()

* address misc revisions

* remove validation code

* add borrow test

* update test params

* single borrow with sdk.Coins per user

* fix harvest test

* removed legacy commented out code

* address minor revisions
2020-10-30 10:59:47 +01:00

298 lines
9.0 KiB
Go

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"
"github.com/kava-labs/kava/x/harvest/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.QueryGetClaims:
return queryGetClaims(ctx, req, k)
case types.QueryGetBorrows:
return queryGetBorrows(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 {
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) {
var params types.QueryDepositParams
err := types.ModuleCdc.UnmarshalJSON(req.Data, &params)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
depositDenom := len(params.DepositDenom) > 0
owner := len(params.Owner) > 0
depositType := len(params.DepositType) > 0
var deposits []types.Deposit
switch {
case depositDenom && owner && depositType:
deposit, found := k.GetDeposit(ctx, params.Owner, params.DepositDenom, params.DepositType)
if found {
deposits = append(deposits, deposit)
}
case depositDenom && owner:
for _, dt := range types.DepositTypesDepositQuery {
deposit, found := k.GetDeposit(ctx, params.Owner, params.DepositDenom, dt)
if found {
deposits = append(deposits, deposit)
}
}
case depositDenom && depositType:
k.IterateDepositsByTypeAndDenom(ctx, params.DepositType, params.DepositDenom, func(deposit types.Deposit) (stop bool) {
deposits = append(deposits, deposit)
return false
})
case owner && depositType:
schedules := k.GetParams(ctx).LiquidityProviderSchedules
for _, lps := range schedules {
deposit, found := k.GetDeposit(ctx, params.Owner, lps.DepositDenom, params.DepositType)
if found {
deposits = append(deposits, deposit)
}
}
case depositDenom:
for _, dt := range types.DepositTypesDepositQuery {
k.IterateDepositsByTypeAndDenom(ctx, dt, params.DepositDenom, func(deposit types.Deposit) (stop bool) {
deposits = append(deposits, deposit)
return false
})
}
case owner:
schedules := k.GetParams(ctx).LiquidityProviderSchedules
for _, lps := range schedules {
for _, dt := range types.DepositTypesDepositQuery {
deposit, found := k.GetDeposit(ctx, params.Owner, lps.DepositDenom, dt)
if found {
deposits = append(deposits, deposit)
}
}
}
case depositType:
schedules := k.GetParams(ctx).LiquidityProviderSchedules
for _, lps := range schedules {
k.IterateDepositsByTypeAndDenom(ctx, params.DepositType, lps.DepositDenom, func(deposit types.Deposit) (stop bool) {
deposits = append(deposits, deposit)
return false
})
}
default:
k.IterateDeposits(ctx, func(deposit types.Deposit) (stop bool) {
deposits = append(deposits, deposit)
return false
})
}
start, end := client.Paginate(len(deposits), params.Page, params.Limit, 100)
if start < 0 || end < 0 {
deposits = []types.Deposit{}
} else {
deposits = deposits[start:end]
}
bz, err := codec.MarshalJSONIndent(types.ModuleCdc, deposits)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}
func queryGetClaims(ctx sdk.Context, req abci.RequestQuery, k Keeper) ([]byte, error) {
var params types.QueryClaimParams
err := types.ModuleCdc.UnmarshalJSON(req.Data, &params)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
depositDenom := len(params.DepositDenom) > 0
owner := len(params.Owner) > 0
depositType := len(params.DepositType) > 0
var claims []types.Claim
switch {
case depositDenom && owner && depositType:
claim, found := k.GetClaim(ctx, params.Owner, params.DepositDenom, params.DepositType)
if found {
claims = append(claims, claim)
}
case depositDenom && owner:
for _, dt := range types.DepositTypesClaimQuery {
claim, found := k.GetClaim(ctx, params.Owner, params.DepositDenom, dt)
if found {
claims = append(claims, claim)
}
}
case depositDenom && depositType:
k.IterateClaimsByTypeAndDenom(ctx, params.DepositType, params.DepositDenom, func(claim types.Claim) (stop bool) {
claims = append(claims, claim)
return false
})
case owner && depositType:
harvestParams := k.GetParams(ctx)
switch {
case params.DepositType == types.LP:
for _, lps := range harvestParams.LiquidityProviderSchedules {
claim, found := k.GetClaim(ctx, params.Owner, lps.DepositDenom, params.DepositType)
if found {
claims = append(claims, claim)
}
}
case params.DepositType == types.Stake:
for _, dss := range harvestParams.DelegatorDistributionSchedules {
claim, found := k.GetClaim(ctx, params.Owner, dss.DistributionSchedule.DepositDenom, params.DepositType)
if found {
claims = append(claims, claim)
}
}
}
case depositDenom:
for _, dt := range types.DepositTypesClaimQuery {
k.IterateClaimsByTypeAndDenom(ctx, dt, params.DepositDenom, func(claim types.Claim) (stop bool) {
claims = append(claims, claim)
return false
})
}
case owner:
harvestParams := k.GetParams(ctx)
for _, lps := range harvestParams.LiquidityProviderSchedules {
claim, found := k.GetClaim(ctx, params.Owner, lps.DepositDenom, types.LP)
if found {
claims = append(claims, claim)
}
}
for _, dds := range harvestParams.DelegatorDistributionSchedules {
claim, found := k.GetClaim(ctx, params.Owner, dds.DistributionSchedule.DepositDenom, types.Stake)
if found {
claims = append(claims, claim)
}
}
case depositType:
harvestParams := k.GetParams(ctx)
for _, lps := range harvestParams.LiquidityProviderSchedules {
k.IterateClaimsByTypeAndDenom(ctx, params.DepositType, lps.DepositDenom, func(claim types.Claim) (stop bool) {
claims = append(claims, claim)
return false
})
}
for _, dds := range harvestParams.DelegatorDistributionSchedules {
k.IterateClaimsByTypeAndDenom(ctx, params.DepositType, dds.DistributionSchedule.DepositDenom, func(claim types.Claim) (stop bool) {
claims = append(claims, claim)
return false
})
}
default:
k.IterateClaims(ctx, func(claim types.Claim) (stop bool) {
claims = append(claims, claim)
return false
})
}
start, end := client.Paginate(len(claims), params.Page, params.Limit, 100)
if start < 0 || end < 0 {
claims = []types.Claim{}
} else {
claims = claims[start:end]
}
bz, err := codec.MarshalJSONIndent(types.ModuleCdc, claims)
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.QueryBorrowParams
err := types.ModuleCdc.UnmarshalJSON(req.Data, &params)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
// TODO: filter query results
// depositDenom := len(params.BorrowDenom) > 0
// owner := len(params.Owner) > 0
var borrows []types.Borrow
k.IterateBorrows(ctx, func(borrow types.Borrow) (stop bool) {
borrows = append(borrows, borrow)
return false
})
start, end := client.Paginate(len(borrows), params.Page, params.Limit, 100)
if start < 0 || end < 0 {
borrows = []types.Borrow{}
} else {
borrows = borrows[start:end]
}
bz, err := codec.MarshalJSONIndent(types.ModuleCdc, borrows)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}