CombineCoins creates a Coins containing all given coins.

IsEmpty returns true on null or zero amount.

NewCoin creates a new coin object.

NewCoinp returns a pointer to a new coin.

NormalizeCoins is a cleanup operation that merge and orders set of coin instances into a unified form.

ParseHumanFormat parse a human readable coin representation.

fractional units = 10^9.

MaxFrac is the highest possible fractional value.

10^15-1.

MinFrac is the lowest possible fractional value.

MinInt is the lowest whole value we accept.

IsCC is the RegExp to ensure valid currency codes.

Coin can hold any amount between -1 billion and +1 billion at steps of 10^-9.

Coins represents a set of coins.