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proposal_handler.go
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/
proposal_handler.go
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package swa
import (
"cosmossdk.io/errors"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
govtypes "github.com/cosmos/cosmos-sdk/x/gov/types/v1beta1"
"github.com/swag-eag/swa/v2/x/swa/keeper"
"github.com/swag-eag/swa/v2/x/swa/types"
)
// NewTokenMappingChangeProposalHandler creates a new governance Handler for a TokenMappingChangeProposal
func NewTokenMappingChangeProposalHandler(k keeper.Keeper) govtypes.Handler {
return func(ctx sdk.Context, content govtypes.Content) error {
switch c := content.(type) {
case *types.TokenMappingChangeProposal:
// check first that the denom is one of the denom supported by swa
if !types.IsValidCoinDenom(c.Denom) {
return errors.Wrapf(sdkerrors.ErrInvalidRequest, "invalid coin denom %s", c.Denom)
}
msg := types.MsgUpdateTokenMapping{
Denom: c.Denom,
Contract: c.Contract,
Symbol: c.Symbol,
Decimal: c.Decimal,
}
return k.RegisterOrUpdateTokenMapping(ctx, &msg)
default:
return errors.Wrapf(sdkerrors.ErrUnknownRequest, "unrecognized swa proposal content type: %T", c)
}
}
}