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token_metadata.go
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/
token_metadata.go
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package types
import (
"fmt"
banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
)
// Validate performs a basic validation of the coin metadata fields.
// Inherits from x/bank metadata and following same spec of x/bank/types/metadata.go
func (m *TokenMetadata) Validate() error {
if m == nil {
return fmt.Errorf("token metadata cannot be nil")
}
bankMetadata := m.ConvertToBankMetadata()
return bankMetadata.Validate()
}
// ConvertToBankMetadata converts TokenMetadata to Metadata of x/bank/types
func (m *TokenMetadata) ConvertToBankMetadata() banktypes.Metadata {
var denomUnits []*banktypes.DenomUnit
for _, denomUnit := range m.DenomUnits {
denomUnits = append(denomUnits, &banktypes.DenomUnit{
Denom: denomUnit.Denom,
Exponent: denomUnit.Exponent,
Aliases: denomUnit.Aliases,
})
}
return banktypes.Metadata{
Description: m.Description,
DenomUnits: denomUnits,
Base: m.Base,
Display: m.Display,
Name: m.Name,
Symbol: m.Symbol,
URI: m.URI,
URIHash: m.URIHash,
}
}