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proposal.go
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proposal.go
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package keeper
import (
"fmt"
"time"
sdk "github.com/evoblockchain/evochain/libs/cosmos-sdk/types"
"github.com/evoblockchain/evochain/x/evm/types"
sdkGov "github.com/evoblockchain/evochain/x/gov"
govKeeper "github.com/evoblockchain/evochain/x/gov/keeper"
govTypes "github.com/evoblockchain/evochain/x/gov/types"
)
var _ govKeeper.ProposalHandler = (*Keeper)(nil)
// GetMinDeposit returns min deposit
func (k Keeper) GetMinDeposit(ctx sdk.Context, content sdkGov.Content) (minDeposit sdk.SysCoins) {
switch content.(type) {
case types.ManageContractDeploymentWhitelistProposal, types.ManageContractBlockedListProposal,
types.ManageContractMethodBlockedListProposal, types.ManageSysContractAddressProposal:
minDeposit = k.govKeeper.GetDepositParams(ctx).MinDeposit
}
return
}
// GetMaxDepositPeriod returns max deposit period
func (k Keeper) GetMaxDepositPeriod(ctx sdk.Context, content sdkGov.Content) (maxDepositPeriod time.Duration) {
switch content.(type) {
case types.ManageContractDeploymentWhitelistProposal, types.ManageContractBlockedListProposal,
types.ManageContractMethodBlockedListProposal, types.ManageSysContractAddressProposal:
maxDepositPeriod = k.govKeeper.GetDepositParams(ctx).MaxDepositPeriod
}
return
}
// GetVotingPeriod returns voting period
func (k Keeper) GetVotingPeriod(ctx sdk.Context, content sdkGov.Content) (votingPeriod time.Duration) {
switch content.(type) {
case types.ManageContractDeploymentWhitelistProposal, types.ManageContractBlockedListProposal,
types.ManageContractMethodBlockedListProposal, types.ManageSysContractAddressProposal:
votingPeriod = k.govKeeper.GetVotingParams(ctx).VotingPeriod
}
return
}
// CheckMsgSubmitProposal validates MsgSubmitProposal
func (k Keeper) CheckMsgSubmitProposal(ctx sdk.Context, msg govTypes.MsgSubmitProposal) sdk.Error {
switch content := msg.Content.(type) {
case types.ManageContractDeploymentWhitelistProposal, types.ManageContractBlockedListProposal:
// whole target address list will be added/deleted to/from the contract deployment whitelist/contract blocked list.
// It's not necessary to check the existence in CheckMsgSubmitProposal
return nil
case types.ManageContractMethodBlockedListProposal:
csdb := types.CreateEmptyCommitStateDB(k.GeneratePureCSDBParams(), ctx)
// can not delete address is not exist
if !content.IsAdded {
for i, _ := range content.ContractList {
bc := csdb.GetContractMethodBlockedByAddress(content.ContractList[i].Address)
if bc == nil {
return types.ErrBlockedContractMethodIsNotExist(content.ContractList[i].Address, types.ErrorContractMethodBlockedIsNotExist)
}
if _, err := bc.BlockMethods.DeleteContractMethodMap(content.ContractList[i].BlockMethods); err != nil {
return types.ErrBlockedContractMethodIsNotExist(content.ContractList[i].Address, err)
}
}
}
return nil
case types.ManageSysContractAddressProposal:
if !k.stakingKeeper.IsValidator(ctx, msg.Proposer) {
return types.ErrCodeProposerMustBeValidator()
}
// can not delete system contract address that is not exist
if !content.IsAdded {
_, err := k.GetSysContractAddress(ctx)
return err
}
if !k.IsContractAccount(ctx, content.ContractAddr) {
return types.ErrNotContracAddress(fmt.Errorf(content.ContractAddr.String()))
}
return nil
default:
return sdk.ErrUnknownRequest(fmt.Sprintf("unrecognized %s proposal content type: %T", types.DefaultCodespace, content))
}
}
// nolint
func (k Keeper) AfterSubmitProposalHandler(_ sdk.Context, _ govTypes.Proposal) {}
func (k Keeper) AfterDepositPeriodPassed(_ sdk.Context, _ govTypes.Proposal) {}
func (k Keeper) RejectedHandler(_ sdk.Context, _ govTypes.Content) {}
func (k Keeper) VoteHandler(_ sdk.Context, _ govTypes.Proposal, _ govTypes.Vote) (string, sdk.Error) {
return "", nil
}