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keeper.go
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keeper.go
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package keeper
import (
"fmt"
errorsmod "cosmossdk.io/errors"
"github.com/cosmos/cosmos-sdk/codec"
storetypes "github.com/cosmos/cosmos-sdk/store/types"
sdk "github.com/cosmos/cosmos-sdk/types"
govkeeper "github.com/cosmos/cosmos-sdk/x/gov/keeper"
govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
govv1 "github.com/cosmos/cosmos-sdk/x/gov/types/v1"
fxtypes "github.com/functionx/fx-core/v6/types"
"github.com/functionx/fx-core/v6/x/gov/types"
)
type Keeper struct {
govkeeper.Keeper
// The (unexposed) keys used to access the stores from the Context.
storeKey storetypes.StoreKey
bankKeeper govtypes.BankKeeper
sk govtypes.StakingKeeper
config types.Config
cdc codec.BinaryCodec
authority string
}
func NewKeeper(bk govtypes.BankKeeper, sk govtypes.StakingKeeper, key storetypes.StoreKey, gk govkeeper.Keeper, config types.Config, cdc codec.BinaryCodec, authority string) Keeper {
if _, err := sdk.AccAddressFromBech32(authority); err != nil {
panic(fmt.Sprintf("invalid authority address: %s", authority))
}
// If not set by app developer, set to default value.
if config.MaxTitleLen == 0 {
config.MaxTitleLen = types.DefaultConfig().MaxTitleLen
}
if config.MaxSummaryLen == 0 {
config.MaxSummaryLen = types.DefaultConfig().MaxSummaryLen
}
if config.MaxMetadataLen == 0 {
config.MaxMetadataLen = types.DefaultConfig().MaxMetadataLen
}
return Keeper{
storeKey: key,
bankKeeper: bk,
sk: sk,
Keeper: gk,
config: config,
cdc: cdc,
authority: authority,
}
}
func (keeper Keeper) Config() types.Config {
return keeper.config
}
// 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.Coins) (bool, error) {
// Checks to see if proposal exists
proposal, ok := keeper.GetProposal(ctx, proposalID)
if !ok {
return false, errorsmod.Wrapf(govtypes.ErrUnknownProposal, "%d", proposalID)
}
// Check if proposal is still depositable
if (proposal.Status != govv1.StatusDepositPeriod) && (proposal.Status != govv1.StatusVotingPeriod) {
return false, errorsmod.Wrapf(govtypes.ErrInactiveProposal, "%d", proposalID)
}
// update the governance module's account coins pool
err := keeper.bankKeeper.SendCoinsFromAccountToModule(ctx, depositorAddr, govtypes.ModuleName, depositAmount)
if err != nil {
return false, err
}
// Update proposal
proposal.TotalDeposit = sdk.NewCoins(proposal.TotalDeposit...).Add(depositAmount...)
keeper.SetProposal(ctx, proposal)
// Check if deposit has provided sufficient total funds to transition the proposal into the voting period
activatedVotingPeriod := false
minDeposit := keeper.NeedMinDeposit(ctx, proposal)
if proposal.Status == govv1.StatusDepositPeriod && sdk.NewCoins(proposal.TotalDeposit...).IsAllGTE(minDeposit) {
keeper.ActivateVotingPeriod(ctx, proposal)
activatedVotingPeriod = true
}
// Add or update deposit object
deposit, found := keeper.GetDeposit(ctx, proposalID, depositorAddr)
if found {
deposit.Amount = sdk.NewCoins(deposit.Amount...).Add(depositAmount...)
} else {
deposit = govv1.NewDeposit(proposalID, depositorAddr, depositAmount)
}
// called when deposit has been added to a proposal, however the proposal may not be active
keeper.AfterProposalDeposit(ctx, proposalID, depositorAddr)
ctx.EventManager().EmitEvent(sdk.NewEvent(
govtypes.EventTypeProposalDeposit,
sdk.NewAttribute(sdk.AttributeKeyAmount, depositAmount.String()),
sdk.NewAttribute(govtypes.AttributeKeyProposalID, fmt.Sprintf("%d", proposalID)),
))
keeper.SetDeposit(ctx, deposit)
return activatedVotingPeriod, nil
}
func (keeper Keeper) ActivateVotingPeriod(ctx sdk.Context, proposal govv1.Proposal) {
startTime := ctx.BlockHeader().Time
proposal.VotingStartTime = &startTime
votingPeriod := keeper.GetVotingPeriod(ctx, types.ExtractMsgTypeURL(proposal.Messages))
endTime := proposal.VotingStartTime.Add(*votingPeriod)
proposal.VotingEndTime = &endTime
proposal.Status = govv1.StatusVotingPeriod
keeper.SetProposal(ctx, proposal)
keeper.RemoveFromInactiveProposalQueue(ctx, proposal.Id, *proposal.DepositEndTime)
keeper.InsertActiveProposalQueue(ctx, proposal.Id, *proposal.VotingEndTime)
}
func (keeper Keeper) NeedMinDeposit(ctx sdk.Context, proposal govv1.Proposal) sdk.Coins {
var minDeposit sdk.Coins
msgTypeURL := types.ExtractMsgTypeURL(proposal.Messages)
isEGF, needDeposit := types.CheckEGFProposalMsg(proposal.Messages)
if isEGF {
minDeposit = keeper.EGFProposalMinDeposit(ctx, msgTypeURL, needDeposit)
} else {
minDeposit = keeper.GetMinDeposit(ctx, msgTypeURL)
}
return minDeposit
}
func (keeper Keeper) EGFProposalMinDeposit(ctx sdk.Context, msgType string, claimCoin sdk.Coins) sdk.Coins {
egfParams := keeper.GetEGFParams(ctx)
egfDepositThreshold := egfParams.EgfDepositThreshold
claimRatio := egfParams.ClaimRatio
claimAmount := claimCoin.AmountOf(fxtypes.DefaultDenom)
if claimAmount.LTE(egfDepositThreshold.Amount) {
return sdk.NewCoins(keeper.GetMinInitialDeposit(ctx, msgType))
}
ratio := sdk.MustNewDecFromStr(claimRatio)
initialDeposit := sdk.NewDecFromInt(claimAmount).Mul(ratio).TruncateInt()
return sdk.NewCoins(sdk.NewCoin(fxtypes.DefaultDenom, initialDeposit))
}
func (keeper Keeper) InitFxGovParams(ctx sdk.Context) error {
params := keeper.GetParams(ctx, "")
erc20Params := types.Erc20ProposalParams(params.MinDeposit, params.MinInitialDeposit, params.VotingPeriod, types.DefaultErc20Quorum.String(), params.MaxDepositPeriod, params.Threshold, params.VetoThreshold)
if err := keeper.SetAllParams(ctx, erc20Params); err != nil {
return err
}
evmParams := types.EVMProposalParams(params.MinDeposit, params.MinInitialDeposit, &types.DefaultEvmVotingPeriod, types.DefaultEvmQuorum.String(), params.MaxDepositPeriod, params.Threshold, params.VetoThreshold)
if err := keeper.SetAllParams(ctx, evmParams); err != nil {
return err
}
egfParams := types.EGFProposalParams(params.MinDeposit, params.MinInitialDeposit, &types.DefaultEgfVotingPeriod, params.Quorum, params.MaxDepositPeriod, params.Threshold, params.VetoThreshold)
if err := keeper.SetAllParams(ctx, egfParams); err != nil {
return err
}
if err := keeper.SetEGFParams(ctx, types.DefaultEGFParams()); err != nil {
return err
}
return nil
}