/
proposal.go
72 lines (55 loc) · 1.82 KB
/
proposal.go
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package types
import (
"fmt"
"strings"
banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
ibctransfertypes "github.com/cosmos/ibc-go/v3/modules/apps/transfer/types"
)
const (
ProposalTypeSetDenomMetaData = "SetDenomMetaData"
)
var (
_ govtypes.Content = &SetDenomMetadataProposal{}
)
func init() {
govtypes.RegisterProposalType(ProposalTypeSetDenomMetaData)
govtypes.RegisterProposalTypeCodec(&SetDenomMetadataProposal{}, "bank/SetDenomMetadataProposal")
}
func (m *SetDenomMetadataProposal) ProposalRoute() string {
return banktypes.RouterKey
}
func (m *SetDenomMetadataProposal) ProposalType() string {
return ProposalTypeSetDenomMetaData
}
func (m *SetDenomMetadataProposal) ValidateBasic() error {
if err := m.Metadata.Validate(); err != nil {
return err
}
if err := ibctransfertypes.ValidateIBCDenom(m.Metadata.Base); err != nil {
return err
}
if err := validateIBC(m.Metadata); err != nil {
return err
}
return govtypes.ValidateAbstract(m)
}
func validateIBC(metadata banktypes.Metadata) error {
// Check ibc/ denom
denomSplit := strings.SplitN(metadata.Base, "/", 2)
if denomSplit[0] == metadata.Base && strings.TrimSpace(metadata.Base) != "" {
// Not IBC
return nil
}
if len(denomSplit) != 2 || denomSplit[0] != ibctransfertypes.DenomPrefix {
// NOTE: should be unaccessible (covered on ValidateIBCDenom)
return fmt.Errorf("invalid metadata. %s denomination should be prefixed with the format 'ibc/", metadata.Base)
}
if !strings.Contains(metadata.Name, "channel-") {
return fmt.Errorf("invalid metadata (Name) for ibc. %s should include channel", metadata.Name)
}
if !strings.HasPrefix(metadata.Symbol, "ibc") {
return fmt.Errorf("invalid metadata (Symbol) for ibc. %s should include \"ibc\" prefix", metadata.Symbol)
}
return nil
}