Example #1
0
func AssetFromDB(typ xdr.AssetType, code string, issuer string) (result xdr.Asset, err error) {
	switch typ {
	case xdr.AssetTypeAssetTypeNative:
		result, err = xdr.NewAsset(xdr.AssetTypeAssetTypeNative, nil)
	case xdr.AssetTypeAssetTypeCreditAlphanum4:
		var (
			an      xdr.AssetAlphaNum4
			decoded []byte
			pkey    xdr.Uint256
		)

		copy(an.AssetCode[:], []byte(code))
		decoded, err = strkey.Decode(strkey.VersionByteAccountID, issuer)
		if err != nil {
			return
		}

		copy(pkey[:], decoded)
		an.Issuer, err = xdr.NewAccountId(xdr.CryptoKeyTypeKeyTypeEd25519, pkey)
		if err != nil {
			return
		}
		result, err = xdr.NewAsset(xdr.AssetTypeAssetTypeCreditAlphanum4, an)
	case xdr.AssetTypeAssetTypeCreditAlphanum12:
		var (
			an      xdr.AssetAlphaNum12
			decoded []byte
			pkey    xdr.Uint256
		)

		copy(an.AssetCode[:], []byte(code))
		decoded, err = strkey.Decode(strkey.VersionByteAccountID, issuer)
		if err != nil {
			return
		}

		copy(pkey[:], decoded)
		an.Issuer, err = xdr.NewAccountId(xdr.CryptoKeyTypeKeyTypeEd25519, pkey)
		if err != nil {
			return
		}
		result, err = xdr.NewAsset(xdr.AssetTypeAssetTypeCreditAlphanum12, an)
	}

	return
}
Example #2
0
func makeAsset(typ xdr.AssetType, code string, issuer string) xdr.Asset {

	if typ == xdr.AssetTypeAssetTypeNative {
		result, _ := xdr.NewAsset(typ, nil)
		return result
	}

	an := xdr.AssetAlphaNum4{}
	copy(an.AssetCode[:], code[:])

	raw := strkey.MustDecode(strkey.VersionByteAccountID, issuer)
	var key xdr.Uint256
	copy(key[:], raw)

	an.Issuer, _ = xdr.NewAccountId(xdr.CryptoKeyTypeKeyTypeEd25519, key)

	result, _ := xdr.NewAsset(typ, an)
	return result
}
Example #3
0
// GetAccountID retireves an xdr.AccountID by attempting to decode a stellar
// address at the provided name.
func (base *Base) GetAccountID(name string) (result xdr.AccountId) {
	raw, err := strkey.Decode(strkey.VersionByteAccountID, base.GetString(name))

	if base.Err != nil {
		return
	}

	if err != nil {
		base.SetInvalidField(name, err)
		return
	}

	var key xdr.Uint256
	copy(key[:], raw)

	result, err = xdr.NewAccountId(xdr.CryptoKeyTypeKeyTypeEd25519, key)
	if err != nil {
		base.SetInvalidField(name, err)
		return
	}

	return
}