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

204 lines
6.4 KiB
Go
Raw Normal View History

package keeper
import (
"errors"
errorsmod "cosmossdk.io/errors"
sdkmath "cosmossdk.io/math"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
2020-12-21 17:18:55 +00:00
"github.com/kava-labs/kava/x/hard/types"
)
// Deposit deposit
func (k Keeper) Deposit(ctx sdk.Context, depositor sdk.AccAddress, coins sdk.Coins) error {
// Set any new denoms' global supply index to 1.0
for _, coin := range coins {
_, foundInterestFactor := k.GetSupplyInterestFactor(ctx, coin.Denom)
if !foundInterestFactor {
_, foundMm := k.GetMoneyMarket(ctx, coin.Denom)
if foundMm {
k.SetSupplyInterestFactor(ctx, coin.Denom, sdk.OneDec())
}
}
}
// Call incentive hook
existingDeposit, hasExistingDeposit := k.GetDeposit(ctx, depositor)
if hasExistingDeposit {
k.BeforeDepositModified(ctx, existingDeposit)
}
// Sync any outstanding interest
k.SyncSupplyInterest(ctx, depositor)
err := k.ValidateDeposit(ctx, coins)
if err != nil {
return err
}
err = k.bankKeeper.SendCoinsFromAccountToModule(ctx, depositor, types.ModuleAccountName, coins)
if err != nil {
if errors.Is(err, sdkerrors.ErrInsufficientFunds) {
acc := k.accountKeeper.GetAccount(ctx, depositor)
accCoins := k.bankKeeper.SpendableCoins(ctx, acc.GetAddress())
for _, coin := range coins {
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>
2023-04-04 00:08:45 +00:00
_, isNegative := accCoins.SafeSub(coin)
if isNegative {
return errorsmod.Wrapf(types.ErrBorrowExceedsAvailableBalance,
"insufficient funds: the requested deposit amount of %s exceeds the total available account funds of %s%s",
coin, accCoins.AmountOf(coin.Denom), coin.Denom,
)
}
}
}
}
if err != nil {
return err
}
interestFactors := types.SupplyInterestFactors{}
currDeposit, foundDeposit := k.GetDeposit(ctx, depositor)
if foundDeposit {
interestFactors = currDeposit.Index
}
for _, coin := range coins {
interestFactorValue, foundValue := k.GetSupplyInterestFactor(ctx, coin.Denom)
if foundValue {
interestFactors = interestFactors.SetInterestFactor(coin.Denom, interestFactorValue)
}
}
// Calculate new deposit amount
var amount sdk.Coins
if foundDeposit {
amount = currDeposit.Amount.Add(coins...)
} else {
amount = coins
}
// Update the depositer's amount and supply interest factors in the store
deposit := types.NewDeposit(depositor, amount, interestFactors)
if deposit.Amount.Empty() {
k.DeleteDeposit(ctx, deposit)
} else {
k.SetDeposit(ctx, deposit)
}
k.IncrementSuppliedCoins(ctx, coins)
if !foundDeposit { // User's first deposit
k.AfterDepositCreated(ctx, deposit)
} else {
k.AfterDepositModified(ctx, deposit)
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
2020-12-21 17:18:55 +00:00
types.EventTypeHardDeposit,
sdk.NewAttribute(sdk.AttributeKeyAmount, coins.String()),
sdk.NewAttribute(types.AttributeKeyDepositor, deposit.Depositor.String()),
),
)
return nil
}
// ValidateDeposit validates a deposit
func (k Keeper) ValidateDeposit(ctx sdk.Context, coins sdk.Coins) error {
for _, depCoin := range coins {
_, foundMm := k.GetMoneyMarket(ctx, depCoin.Denom)
if !foundMm {
return errorsmod.Wrapf(types.ErrInvalidDepositDenom, "money market denom %s not found", depCoin.Denom)
}
}
return nil
}
// GetTotalDeposited returns the total amount deposited for the input deposit type and deposit denom
func (k Keeper) GetTotalDeposited(ctx sdk.Context, depositDenom string) (total sdkmath.Int) {
macc := k.accountKeeper.GetModuleAccount(ctx, types.ModuleAccountName)
return k.bankKeeper.GetBalance(ctx, macc.GetAddress(), depositDenom).Amount
}
// IncrementSuppliedCoins increments the total amount of supplied coins by the newCoins parameter
func (k Keeper) IncrementSuppliedCoins(ctx sdk.Context, newCoins sdk.Coins) {
suppliedCoins, found := k.GetSuppliedCoins(ctx)
if !found {
if !newCoins.Empty() {
k.SetSuppliedCoins(ctx, newCoins)
}
} else {
k.SetSuppliedCoins(ctx, suppliedCoins.Add(newCoins...))
}
}
// DecrementSuppliedCoins decrements the total amount of supplied coins by the coins parameter
func (k Keeper) DecrementSuppliedCoins(ctx sdk.Context, coins sdk.Coins) error {
suppliedCoins, found := k.GetSuppliedCoins(ctx)
if !found {
return errorsmod.Wrapf(types.ErrSuppliedCoinsNotFound, "cannot withdraw if no coins are deposited")
}
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>
2023-04-04 00:08:45 +00:00
updatedSuppliedCoins, isNegative := suppliedCoins.SafeSub(coins...)
if isNegative {
coinsToSubtract := sdk.NewCoins()
for _, coin := range coins {
if suppliedCoins.AmountOf(coin.Denom).LT(coin.Amount) {
if suppliedCoins.AmountOf(coin.Denom).GT(sdk.ZeroInt()) {
coinsToSubtract = coinsToSubtract.Add(sdk.NewCoin(coin.Denom, suppliedCoins.AmountOf(coin.Denom)))
}
} else {
coinsToSubtract = coinsToSubtract.Add(coin)
}
}
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>
2023-04-04 00:08:45 +00:00
updatedSuppliedCoins = suppliedCoins.Sub(coinsToSubtract...)
}
k.SetSuppliedCoins(ctx, updatedSuppliedCoins)
return nil
}
2021-01-07 16:22:00 +00:00
// GetSyncedDeposit returns a deposit object containing current balances and indexes
func (k Keeper) GetSyncedDeposit(ctx sdk.Context, depositor sdk.AccAddress) (types.Deposit, bool) {
2021-01-07 16:22:00 +00:00
deposit, found := k.GetDeposit(ctx, depositor)
if !found {
return types.Deposit{}, false
2021-01-07 16:22:00 +00:00
}
return k.loadSyncedDeposit(ctx, deposit), true
}
// loadSyncedDeposit calculates a user's synced deposit, but does not update state
func (k Keeper) loadSyncedDeposit(ctx sdk.Context, deposit types.Deposit) types.Deposit {
2021-01-07 16:22:00 +00:00
totalNewInterest := sdk.Coins{}
newSupplyIndexes := types.SupplyInterestFactors{}
2021-01-07 16:22:00 +00:00
for _, coin := range deposit.Amount {
interestFactorValue, foundInterestFactorValue := k.GetSupplyInterestFactor(ctx, coin.Denom)
if foundInterestFactorValue {
// Locate the interest factor by coin denom in the user's list of interest factors
foundAtIndex := -1
for i := range deposit.Index {
if deposit.Index[i].Denom == coin.Denom {
foundAtIndex = i
break
}
}
// Calculate interest that will be paid to user for this asset
2021-01-07 16:22:00 +00:00
if foundAtIndex != -1 {
storedAmount := sdk.NewDecFromInt(deposit.Amount.AmountOf(coin.Denom))
userLastInterestFactor := deposit.Index[foundAtIndex].Value
coinInterest := (storedAmount.Quo(userLastInterestFactor).Mul(interestFactorValue)).Sub(storedAmount)
totalNewInterest = totalNewInterest.Add(sdk.NewCoin(coin.Denom, coinInterest.TruncateInt()))
}
}
supplyIndex := types.NewSupplyInterestFactor(coin.Denom, interestFactorValue)
newSupplyIndexes = append(newSupplyIndexes, supplyIndex)
2021-01-07 16:22:00 +00:00
}
return types.NewDeposit(deposit.Depositor, deposit.Amount.Add(totalNewInterest...), newSupplyIndexes)
2021-01-07 16:22:00 +00:00
}