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handle_msg.go
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handle_msg.go
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package feegrant
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
feegranttypes "github.com/cosmos/cosmos-sdk/x/feegrant"
juno "github.com/forbole/juno/v2/types"
"github.com/forbole/bdjuno/v2/types"
)
// HandleMsg implements modules.MessageModule
func (m *Module) HandleMsg(_ int, msg sdk.Msg, tx *juno.Tx) error {
if len(tx.Logs) == 0 {
return nil
}
switch cosmosMsg := msg.(type) {
case *feegranttypes.MsgGrantAllowance:
return m.HandleMsgGrantAllowance(tx, cosmosMsg)
case *feegranttypes.MsgRevokeAllowance:
return m.HandleMsgRevokeAllowance(tx, cosmosMsg)
}
return nil
}
// HandleMsgGrantAllowance allows to properly handle a MsgGrantAllowance
func (m *Module) HandleMsgGrantAllowance(tx *juno.Tx, msg *feegranttypes.MsgGrantAllowance) error {
allowance, err := msg.GetFeeAllowanceI()
if err != nil {
return fmt.Errorf("error while getting fee allowance: %s", err)
}
granter, err := sdk.AccAddressFromBech32(msg.Granter)
if err != nil {
return fmt.Errorf("error while parsing granter address: %s", err)
}
grantee, err := sdk.AccAddressFromBech32(msg.Grantee)
if err != nil {
return fmt.Errorf("error while parsing grantee address: %s", err)
}
feeGrant, err := feegranttypes.NewGrant(granter, grantee, allowance)
if err != nil {
return fmt.Errorf("error while getting new grant allowance: %s", err)
}
return m.db.SaveFeeGrantAllowance(types.NewFeeGrant(feeGrant, tx.Height))
}
// HandleMsgRevokeAllowance allows to properly handle a MsgRevokeAllowance
func (m *Module) HandleMsgRevokeAllowance(tx *juno.Tx, msg *feegranttypes.MsgRevokeAllowance) error {
return m.db.DeleteFeeGrantAllowance(types.NewGrantRemoval(msg.Grantee, msg.Granter, tx.Height))
}