0g-chain/x/swap/keeper/swap.go
drklee3 f757d7ab15
feat: upgrade to Cosmos v0.46 (#1477)
* Update cosmos-sdk to v0.45.10-kava

* Add RegisterNodeService to app

* Update cosmos proto files

* Update cosmos proto files

* Use tagged v0.45.10-kava-v0.19-0.21 cosmos version

* update x/auth/legacy to x/auth/migrations

* Delete rest packages and registration

* Remove rest from proposal handlers

* Remove legacy types referencing removed sdk types

* Remove legacy tx broadcast handler

* Update incentive staking hooks to return error

* Remove grpc replace directive, use new grpc version

* Fix storetypes import

* Update tally_handler with updated gov types

* Delete legacy types

* Use new gov default config

* Update RegisterTendermintService params

Signed-off-by: drklee3 <derrick@dlee.dev>

* Replace sdk.StoreKey with storetypes.StoreKey

* Replace sdk.Int#ToDec with sdk.NewDecFromInt

* Replace sdk.NewUintFromBigInt with sdkmath.NewUintFromBigInt

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update most intances of govtypes to govv1beta1

* Unpack coin slice for Coins#Sub and Coins#SafeSub

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update committee gov codec registration

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update migrate utils period_vesting Coins#Sub

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update Coin#Sub in community proposal handler

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update Coin#Sub, FundModuleAccount/FundAccount in banktestutil

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update community, earn, kavadist proposal gov registration

* Update evm cli client EthSecp256k1Type check

* AccAddressFromHex to AccAddressFromHexUnsafe

* Add mint DefaultInflationCalculationFn to earn test

* Update use of removed staking.NewHandler

* Rename FlagIAVLFastNode -> FlagDisableIAVLFastNode

* cmd: Update new snapshot app option

Signed-off-by: drklee3 <derrick@dlee.dev>

* cmd: Add tendermint default config, use cosmos rpc status command

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update ethermint import path

github.com/tharsis/ethermint -> github.com/evmos/ethermint

* Upgrade ibc-go to v6

* Update proto dependencies

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update Tally handler test with new gov types

* Update helpers.GenTx -> helpers.GenSignedMockTx

* Update evmkeeper.NewKeeper params

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update ante authz, tests

* Add feemarket transient key, pass subspaces to evm/feemarket keepers

* Update new ante decorators

* Add new addModuleInitFlags to server commands

* Pass codec to keyring.New in genaccounts

* Pass codec to client keys add

* Add SendCoins to evmutil bank_keeper

* Use github.com/cosmos/iavl@v0.19.5

* Add ante HandlerOptions

* Add unimplemented SendCoins to evmutil bank keeper

Ethermint x/evm does not use this method

* Update init-new-chain script to disable post-london blocks

* Modify test genesis states to append 1 validator

* Update tally handler test to use string values

* Prevent querying balance for empty sdk.AccAddress in auction bidding test

* Set default bond denom to ukava

* Remove overwritten bank genesis total supply in committee proposal test

Signed-off-by: drklee3 <derrick@dlee.dev>

* Use ukava for testing staked balance

* Disable minting in community proposal handler test

Previously stake denom is used, which resulted in 0 minted coins

* Update hard APYToSPY test expected value

Increased iterations in sdk.ApproxRoot, updated closer to real value

* Fix NewDecCoinsFromCoins bug in incentive collectDerivativeStakingRewards

* Allow bkava earn incentive test values to match within small margin for rounding

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update invalid denom in issuance message coin validation

Colons are now valid in denoms

Signed-off-by: drklee3 <derrick@dlee.dev>

* Remove genesis validator in incentive delegation tests

* Update pricefeed market test for invalid denom

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update incentive delegator rewards test without genesis validator

Signed-off-by: drklee3 <derrick@dlee.dev>

* Add validator to export test

* Clear bank state in minting tests

Signed-off-by: drklee3 <derrick@dlee.dev>

* Remove validator for no stake tally test

Signed-off-by: drklee3 <derrick@dlee.dev>

* Clear incentive state before InitGenesis in incentive genesis export test

* Update swagger

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update ethermint version to match replaced version

* Remove legacy swagger

* Add NewEthEmitEventDecorator

* Remove redundant func for AddModuleInitFlags

* Remove unused addBankBalanceForAddress func

* Add SetIAVLLazyLoading option to app cmd

* Use legacy.RegisterAminoMsg for committee msg concrete registration

* Remove unnecessary Amino field

* Add evm_util bankkeeper SendCoins comment

* Update test method ResetBankState to DeleteGenesisValidatorCoins to be more clear

* Validate incentive params.RewardsPerSecond to be non-zero

* Validate swap pools to disallow colons in token denoms

* Register all legacy amino types on gov modulecdc

* Remove redundant Comittee interface registration

* Pin goleveldb to v1.0.1-0.20210819022825-2ae1ddf74ef7

Causes failed to load state at height errors

* Update ethermint to new pinned version with minGasPrices parse error fix

* Update cosmos fork dependcy commit to include reverted account constructor patch

* Update Cosmos v0.46.11 and cometbft v0.34.27

* Bump minimum go version to 1.19

* Update tendermint proto

* Update internal testnet genesis

* Move NewCanTransferDecorator before NewEthGasConsumeDecorator

* Add hard borrow store tests (#1514)

* add store tests for Borrow type

* refactor Deposit tests to match

* Fix old bep3 tests (#1515)

* Update Ethermint to 1b17445 to fix duplicate proto registration

* Add custom status command to use snake_case and stdout

* Add SetInflation helper

* Reduce ambiguity with evm CanSignEthTx error

* Remove init genesis validator claim in test

* Add disabled evmante.NewMinGasPriceDecorator with x/feemarket note

* chore: use tagged versions for Cosmos and Ethermint forks

* update kvtool & increase wait for ibc transfer test

---------

Signed-off-by: drklee3 <derrick@dlee.dev>
Co-authored-by: Ruaridh <rhuairahrighairidh@users.noreply.github.com>
Co-authored-by: Robert Pirtle <astropirtle@gmail.com>
2023-04-03 20:08:45 -04:00

123 lines
3.8 KiB
Go

package keeper
import (
"fmt"
"github.com/kava-labs/kava/x/swap/types"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
)
// SwapExactForTokens swaps an exact coin a input for a coin b output
func (k *Keeper) SwapExactForTokens(ctx sdk.Context, requester sdk.AccAddress, exactCoinA, coinB sdk.Coin, slippageLimit sdk.Dec) error {
poolID, pool, err := k.loadPool(ctx, exactCoinA.Denom, coinB.Denom)
if err != nil {
return err
}
swapOutput, feePaid := pool.SwapWithExactInput(exactCoinA, k.GetSwapFee(ctx))
if swapOutput.IsZero() {
return sdkerrors.Wrapf(types.ErrInsufficientLiquidity, "swap output rounds to zero, increase input amount")
}
priceChange := sdk.NewDecFromInt(swapOutput.Amount).Quo(sdk.NewDecFromInt(coinB.Amount))
if err := k.assertSlippageWithinLimit(priceChange, slippageLimit); err != nil {
return err
}
if err := k.commitSwap(ctx, poolID, pool, requester, exactCoinA, swapOutput, feePaid, "input"); err != nil {
return err
}
return nil
}
// SwapForExactTokens swaps a coin a input for an exact coin b output
func (k *Keeper) SwapForExactTokens(ctx sdk.Context, requester sdk.AccAddress, coinA, exactCoinB sdk.Coin, slippageLimit sdk.Dec) error {
poolID, pool, err := k.loadPool(ctx, coinA.Denom, exactCoinB.Denom)
if err != nil {
return err
}
if exactCoinB.Amount.GTE(pool.Reserves().AmountOf(exactCoinB.Denom)) {
return sdkerrors.Wrapf(
types.ErrInsufficientLiquidity,
"output %s >= pool reserves %s", exactCoinB.Amount.String(), pool.Reserves().AmountOf(exactCoinB.Denom).String(),
)
}
swapInput, feePaid := pool.SwapWithExactOutput(exactCoinB, k.GetSwapFee(ctx))
priceChange := sdk.NewDecFromInt(coinA.Amount).Quo(sdk.NewDecFromInt(swapInput.Sub(feePaid).Amount))
if err := k.assertSlippageWithinLimit(priceChange, slippageLimit); err != nil {
return err
}
if err := k.commitSwap(ctx, poolID, pool, requester, swapInput, exactCoinB, feePaid, "output"); err != nil {
return err
}
return nil
}
func (k Keeper) loadPool(ctx sdk.Context, denomA string, denomB string) (string, *types.DenominatedPool, error) {
poolID := types.PoolID(denomA, denomB)
poolRecord, found := k.GetPool(ctx, poolID)
if !found {
return poolID, nil, sdkerrors.Wrapf(types.ErrInvalidPool, "pool %s not found", poolID)
}
pool, err := types.NewDenominatedPoolWithExistingShares(poolRecord.Reserves(), poolRecord.TotalShares)
if err != nil {
panic(fmt.Sprintf("invalid pool %s: %s", poolID, err))
}
return poolID, pool, nil
}
func (k Keeper) assertSlippageWithinLimit(priceChange sdk.Dec, slippageLimit sdk.Dec) error {
slippage := sdk.OneDec().Sub(priceChange)
if slippage.GT(slippageLimit) {
return sdkerrors.Wrapf(types.ErrSlippageExceeded, "slippage %s > limit %s", slippage, slippageLimit)
}
return nil
}
func (k Keeper) commitSwap(
ctx sdk.Context,
poolID string,
pool *types.DenominatedPool,
requester sdk.AccAddress,
swapInput sdk.Coin,
swapOutput sdk.Coin,
feePaid sdk.Coin,
exactDirection string,
) error {
k.SetPool(ctx, types.NewPoolRecordFromPool(pool))
if err := k.bankKeeper.SendCoinsFromAccountToModule(ctx, requester, types.ModuleAccountName, sdk.NewCoins(swapInput)); err != nil {
return err
}
if err := k.bankKeeper.SendCoinsFromModuleToAccount(ctx, types.ModuleAccountName, requester, sdk.NewCoins(swapOutput)); err != nil {
panic(err)
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
types.EventTypeSwapTrade,
sdk.NewAttribute(types.AttributeKeyPoolID, poolID),
sdk.NewAttribute(types.AttributeKeyRequester, requester.String()),
sdk.NewAttribute(types.AttributeKeySwapInput, swapInput.String()),
sdk.NewAttribute(types.AttributeKeySwapOutput, swapOutput.String()),
sdk.NewAttribute(types.AttributeKeyFeePaid, feePaid.String()),
sdk.NewAttribute(types.AttributeKeyExactDirection, exactDirection),
),
)
return nil
}