/
deposit.go
200 lines (175 loc) · 6.81 KB
/
deposit.go
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package keeper
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/fastock/fastock-chain/x/gov/types"
)
// SetDeposit sets the deposit of a specific depositor on a specific proposal
func (keeper Keeper) SetDeposit(ctx sdk.Context, deposit types.Deposit) {
store := ctx.KVStore(keeper.storeKey)
bz := keeper.cdc.MustMarshalBinaryLengthPrefixed(deposit)
store.Set(types.DepositKey(deposit.ProposalID, deposit.Depositor), bz)
}
func tryEnterVotingPeriod(
ctx sdk.Context, keeper Keeper, proposal *types.Proposal, depositAmount sdk.SysCoins, eventType string,
) {
// Update proposal
proposal.TotalDeposit = proposal.TotalDeposit.Add(depositAmount...)
// Check if deposit has provided sufficient total funds to transition the proposal into the voting period
activatedVotingPeriod := false
var minDeposit sdk.SysCoins
if !keeper.proposalHandlerRouter.HasRoute(proposal.ProposalRoute()) {
minDeposit = keeper.GetDepositParams(ctx).MinDeposit
} else {
phr := keeper.proposalHandlerRouter.GetRoute(proposal.ProposalRoute())
minDeposit = phr.GetMinDeposit(ctx, proposal.Content)
}
if proposal.Status == types.StatusDepositPeriod && proposal.TotalDeposit.IsAllGTE(minDeposit) {
keeper.activateVotingPeriod(ctx, proposal)
activatedVotingPeriod = true
proposal.DepositEndTime = ctx.BlockHeader().Time
}
keeper.SetProposal(ctx, *proposal)
if activatedVotingPeriod {
// execute the logic when the deposit period is passed
if !keeper.ProposalHandlerRouter().HasRoute(proposal.Content.ProposalRoute()) {
keeper.AfterDepositPeriodPassed(ctx, *proposal)
} else {
proposalHandler := keeper.ProposalHandlerRouter().GetRoute(proposal.Content.ProposalRoute())
proposalHandler.AfterDepositPeriodPassed(ctx, *proposal)
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
eventType,
sdk.NewAttribute(types.AttributeKeyVotingPeriodStart, fmt.Sprintf("%d", proposal.ProposalID)),
),
)
}
}
func updateDeposit(
ctx sdk.Context, keeper Keeper, proposalID uint64, depositorAddr sdk.AccAddress, depositAmount sdk.SysCoins,
) {
deposit, found := keeper.GetDeposit(ctx, proposalID, depositorAddr)
if found {
deposit.Amount = deposit.Amount.Add(depositAmount...)
} else {
deposit = types.Deposit{
ProposalID: proposalID,
Depositor: depositorAddr,
Amount: depositAmount,
}
}
keeper.SetDeposit(ctx, deposit)
}
// AddDeposit adds or updates a deposit of a specific depositor on a specific proposal
// Activates voting period when appropriate
func (keeper Keeper) AddDeposit(
ctx sdk.Context, proposalID uint64, depositorAddr sdk.AccAddress,
depositAmount sdk.SysCoins, eventType string,
) sdk.Error {
// Checks to see if proposal exists
proposal, ok := keeper.GetProposal(ctx, proposalID)
if !ok {
return types.ErrUnknownProposal(proposalID)
}
// Check if proposal is still depositable
if proposal.Status != types.StatusDepositPeriod {
return types.ErrInvalidateProposalStatus()
}
depositCoinsAmount := depositAmount
// update the governance module's account coins pool
err := keeper.supplyKeeper.SendCoinsFromAccountToModule(ctx, depositorAddr, types.ModuleName, depositCoinsAmount)
if err != nil {
return err
}
// try enter voting period according to proposal's total deposit
tryEnterVotingPeriod(ctx, keeper, &proposal, depositAmount, eventType)
// Add or update deposit object
updateDeposit(ctx, keeper, proposalID, depositorAddr, depositAmount)
ctx.EventManager().EmitEvent(
sdk.NewEvent(
types.EventTypeProposalDeposit,
sdk.NewAttribute(sdk.AttributeKeyAmount, depositAmount.String()),
sdk.NewAttribute(types.AttributeKeyProposalID, fmt.Sprintf("%d", proposalID)),
),
)
return nil
}
// RefundDeposits refunds and deletes all the deposits on a specific proposal
func (keeper Keeper) RefundDeposits(ctx sdk.Context, proposalID uint64) {
deposits := keeper.GetDeposits(ctx, proposalID)
for i := 0; i < len(deposits); i++ {
deposit := deposits[i]
err := keeper.supplyKeeper.SendCoinsFromModuleToAccount(ctx, types.ModuleName, deposit.Depositor,
deposit.Amount)
if err != nil {
panic(err)
}
keeper.deleteDeposit(ctx, proposalID, deposit.Depositor)
}
}
// DistributeDeposits distributes and deletes all the deposits on a specific proposal
func (keeper Keeper) DistributeDeposits(ctx sdk.Context, proposalID uint64) {
deposits := keeper.GetDeposits(ctx, proposalID)
for i := 0; i < len(deposits); i++ {
deposit := deposits[i]
err := keeper.supplyKeeper.SendCoinsFromModuleToModule(ctx, types.ModuleName, keeper.feeCollectorName,
deposit.Amount)
if err != nil {
panic(err)
}
keeper.deleteDeposit(ctx, proposalID, deposit.Depositor)
}
}
func (keeper Keeper) deleteDeposit(ctx sdk.Context, proposalID uint64, depositorAddr sdk.AccAddress) {
store := ctx.KVStore(keeper.storeKey)
store.Delete(types.DepositKey(proposalID, depositorAddr))
}
// GetDeposit gets the deposit of a specific depositor on a specific proposal
func (keeper Keeper) GetDeposit(ctx sdk.Context, proposalID uint64, depositorAddr sdk.AccAddress) (deposit types.Deposit, found bool) {
store := ctx.KVStore(keeper.storeKey)
bz := store.Get(types.DepositKey(proposalID, depositorAddr))
if bz == nil {
return deposit, false
}
keeper.cdc.MustUnmarshalBinaryLengthPrefixed(bz, &deposit)
return deposit, true
}
func (keeper Keeper) setDeposit(ctx sdk.Context, proposalID uint64, depositorAddr sdk.AccAddress, deposit types.Deposit) {
store := ctx.KVStore(keeper.storeKey)
bz := keeper.cdc.MustMarshalBinaryLengthPrefixed(deposit)
store.Set(types.DepositKey(proposalID, depositorAddr), bz)
}
// GetAllDeposits returns all the deposits from the store
func (keeper Keeper) GetAllDeposits(ctx sdk.Context) (deposits types.Deposits) {
keeper.IterateAllDeposits(ctx, func(deposit types.Deposit) bool {
deposits = append(deposits, deposit)
return false
})
return
}
// GetDeposits returns all the deposits from a proposal
func (keeper Keeper) GetDeposits(ctx sdk.Context, proposalID uint64) (deposits types.Deposits) {
keeper.IterateDeposits(ctx, proposalID, func(deposit types.Deposit) bool {
deposits = append(deposits, deposit)
return false
})
return
}
// GetDepositsIterator gets all the deposits on a specific proposal as an sdk.Iterator
func (keeper Keeper) GetDepositsIterator(ctx sdk.Context, proposalID uint64) sdk.Iterator {
store := ctx.KVStore(keeper.storeKey)
return sdk.KVStorePrefixIterator(store, types.DepositsKey(proposalID))
}
// DeleteDeposits deletes all the deposits on a specific proposal without refunding them
func (keeper Keeper) DeleteDeposits(ctx sdk.Context, proposalID uint64) {
store := ctx.KVStore(keeper.storeKey)
keeper.IterateDeposits(ctx, proposalID, func(deposit types.Deposit) bool {
err := keeper.supplyKeeper.BurnCoins(ctx, types.ModuleName, deposit.Amount)
if err != nil {
panic(err)
}
store.Delete(types.DepositKey(proposalID, deposit.Depositor))
return false
})
}