currency

Is there an existing issue for this?

• I have searched the existing issues

Current behavior

First off, thanks for the great library.

.allocate() function has unexpected behaviour when given falsy input.

Expected behavior

I expected an error:
TypeError: You must provide a non-empty array of numeric values greater than 0

Steps to reproduce

try {
    Din

Is there a way to calibrate a discount curve from traded fx forwards?

Taking USDJPY as an example. As an input I have the fx spot, 1M, 3M and 6M forwards , I have also built a USD OIS discount curve. I want to create a JPY discount curve such that I can reprice correctly all of the fx forwards I observe in the market. Is that possible with the current library?

As an extension to the above,

It is unclear how to use something like get_token_balance() with respect to the Uniswap v2 factory contract. I am trying to view the amount of a token in the Uniswap v2 liquidity pool, and it seems all I can check is the ERC20 token balance globally.

Edit: I see now I can use get_ex_token_balance(), but I am receiving the Uniswap v1 pool amounts. When I switch to version 2 the Factory methods