0g-chain/x/community/keeper/proposal_handler.go

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package keeper
import (
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/kava-labs/kava/x/community/types"
)
// HandleCommunityPoolLendDepositProposal is a handler for executing a passed community pool lend deposit proposal.
func HandleCommunityPoolLendDepositProposal(ctx sdk.Context, k Keeper, p *types.CommunityPoolLendDepositProposal) error {
// move funds from community pool to x/community so hard position is held by this module.
err := k.distrKeeper.DistributeFromFeePool(ctx, p.Amount, k.moduleAddress)
if err != nil {
return err
}
// deposit funds into hard
return k.hardKeeper.Deposit(ctx, k.moduleAddress, p.Amount)
}
// HandleCommunityPoolLendWithdrawProposal is a handler for executing a passed community pool lend withdraw proposal.
func HandleCommunityPoolLendWithdrawProposal(ctx sdk.Context, k Keeper, p *types.CommunityPoolLendWithdrawProposal) error {
// hard allows attempting to withdraw more funds than there is a deposit for.
// this means the amount that gets withdrawn will not necessarily match the amount set in the proposal.
// to calculate how much is withdrawn, compare this module's balance before & after withdraw.
balanceBefore := k.bankKeeper.GetAllBalances(ctx, k.moduleAddress)
// withdraw funds from x/hard to this module account
err := k.hardKeeper.Withdraw(ctx, k.moduleAddress, p.Amount)
if err != nil {
return err
}
balanceAfter := k.bankKeeper.GetAllBalances(ctx, k.moduleAddress)
totalWithdrawn := balanceAfter.Sub(balanceBefore)
// send all withdrawn coins back to community pool
return k.distrKeeper.FundCommunityPool(ctx, totalWithdrawn, k.moduleAddress)
}