Revert "Revert "goOpenExchangeRate""

This reverts commit 314714c97b9c1e648c282c1a8ee50eb56c716b9e.
Revert "Revert "Revert "goOpenExchangeRate"""

This reverts commit eeee20bb1e33f4813a114ab8f6662ae5dccd5b6a.