AssetTypePoolShare constructor

AssetTypePoolShare({ required Asset assetA, required Asset assetB, })

Implementation

AssetTypePoolShare({required this.assetA, required this.assetB}) {
  if (Asset.TYPE_POOL_SHARE == assetA.type ||
      Asset.TYPE_POOL_SHARE == assetB.type) {
    throw Exception("Asset can not be of type Asset.TYPE_POOL_SHARE");
  }
  if (assetB.type == assetA.type && assetA.type == Asset.TYPE_NATIVE) {
    throw Exception("Assets can not be both of type Asset.TYPE_NATIVE");
  }
  bool sortError = false;
  if (assetA.type.length > assetB.type.length) {
    sortError = true;
  } else if (assetA.type.length == assetB.type.length) {
    if (assetA is AssetTypeCreditAlphaNum &&
        assetB is AssetTypeCreditAlphaNum) {
      String codeA = (assetA as AssetTypeCreditAlphaNum).code;
      String codeB = (assetB as AssetTypeCreditAlphaNum).code;
      int codeCompare = codeA.compareTo(codeB);
      if (codeCompare > 0) {
        sortError = true;
      } else if (codeCompare == 0) {
        String issuerA = (assetA as AssetTypeCreditAlphaNum).issuerId;
        String issuerB = (assetB as AssetTypeCreditAlphaNum).issuerId;
        if (issuerA.compareTo(issuerB) > 0) {
          sortError = true;
        }
      }
    }
  }
  if (sortError) {
    throw Exception(
        "Assets are in wrong order. Sort by: Native < AlphaNum4 < AlphaNum12, then by Code, then by Issuer, using lexicographic ordering.");
  }
}