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proposal_handler.go
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/
proposal_handler.go
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package keeper
import (
"fmt"
"strconv"
codectypes "github.com/cosmos/cosmos-sdk/codec/types"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/provenance-io/provenance/x/msgfees/types"
)
// HandleAddMsgFeeProposal handles an Add msg fees governance proposal request
func HandleAddMsgFeeProposal(ctx sdk.Context, k Keeper, proposal *types.AddMsgFeeProposal, registry codectypes.InterfaceRegistry) error {
if err := proposal.ValidateBasic(); err != nil {
return err
}
err := checkMsgTypeValid(registry, proposal.MsgTypeUrl)
if err != nil {
return err
}
existing, err := k.GetMsgFee(ctx, proposal.MsgTypeUrl)
if err != nil {
return err
}
if existing != nil {
return types.ErrMsgFeeAlreadyExists
}
bips, err := DetermineBips(proposal.Recipient, proposal.RecipientBasisPoints)
if err != nil {
return err
}
msgFees := types.NewMsgFee(proposal.MsgTypeUrl, proposal.AdditionalFee, proposal.Recipient, bips)
err = k.SetMsgFee(ctx, msgFees)
if err != nil {
return types.ErrInvalidFeeProposal
}
return nil
}
// DetermineBips converts basis point string to uint32
func DetermineBips(recipient string, recipientBasisPoints string) (uint32, error) {
var bips uint32
if len(recipientBasisPoints) > 0 && len(recipient) > 0 {
bips64, err := strconv.ParseUint(recipientBasisPoints, 10, 32)
if err != nil {
return bips, types.ErrInvalidBipsValue.Wrap(err.Error())
}
bips = uint32(bips64)
if bips > 10_000 {
return 0, types.ErrInvalidBipsValue.Wrap(fmt.Errorf("recipient basis points can only be between 0 and 10,000 : %v", recipientBasisPoints).Error())
}
} else if len(recipientBasisPoints) == 0 && len(recipient) > 0 {
bips = types.DefaultMsgFeeBips
}
return bips, nil
}
func checkMsgTypeValid(registry codectypes.InterfaceRegistry, msgTypeURL string) error {
msgFee, err := registry.Resolve(msgTypeURL)
if err != nil {
return err
}
_, ok := msgFee.(sdk.Msg)
if !ok {
return fmt.Errorf("message type is not a sdk message: %v", msgTypeURL)
}
return err
}
// HandleUpdateMsgFeeProposal handles an Update of an existing msg fees governance proposal request
func HandleUpdateMsgFeeProposal(ctx sdk.Context, k Keeper, proposal *types.UpdateMsgFeeProposal, registry codectypes.InterfaceRegistry) error {
if err := proposal.ValidateBasic(); err != nil {
return err
}
err := checkMsgTypeValid(registry, proposal.MsgTypeUrl)
if err != nil {
return err
}
existing, err := k.GetMsgFee(ctx, proposal.MsgTypeUrl)
if err != nil {
return err
}
if existing == nil {
return types.ErrMsgFeeDoesNotExist
}
bips, err := DetermineBips(proposal.Recipient, proposal.RecipientBasisPoints)
if err != nil {
return err
}
msgFees := types.NewMsgFee(proposal.MsgTypeUrl, proposal.AdditionalFee, proposal.Recipient, bips)
err = k.SetMsgFee(ctx, msgFees)
if err != nil {
return types.ErrInvalidFeeProposal
}
return nil
}
// HandleRemoveMsgFeeProposal handles a Remove of an existing msg fees governance proposal request
func HandleRemoveMsgFeeProposal(ctx sdk.Context, k Keeper, proposal *types.RemoveMsgFeeProposal, registry codectypes.InterfaceRegistry) error {
if err := proposal.ValidateBasic(); err != nil {
return err
}
if err := checkMsgTypeValid(registry, proposal.MsgTypeUrl); err != nil {
return err
}
existing, err := k.GetMsgFee(ctx, proposal.MsgTypeUrl)
if err != nil {
return err
}
if existing == nil {
return types.ErrMsgFeeDoesNotExist
}
return k.RemoveMsgFee(ctx, proposal.MsgTypeUrl)
}
// HandleUpdateNhashPerUsdMilProposal handles update of nhash per usd mil governance proposal request
func HandleUpdateNhashPerUsdMilProposal(ctx sdk.Context, k Keeper, proposal *types.UpdateNhashPerUsdMilProposal) error {
if err := proposal.ValidateBasic(); err != nil {
return err
}
params := k.GetParams(ctx)
params.NhashPerUsdMil = proposal.NhashPerUsdMil
k.SetParams(ctx, params)
return nil
}
// HandleUpdateConversionFeeDenomProposal handles update of conversion fee denom
func HandleUpdateConversionFeeDenomProposal(ctx sdk.Context, k Keeper, proposal *types.UpdateConversionFeeDenomProposal) error {
if err := proposal.ValidateBasic(); err != nil {
return err
}
params := k.GetParams(ctx)
params.ConversionFeeDenom = proposal.ConversionFeeDenom
k.SetParams(ctx, params)
return nil
}