IntStringToAmount converts string integer value and converts it to stellar "amount".

MustParse is the panicking version of Parse.

Parse parses the provided as a stellar "amount", i.e.

ParseInt64 parses the provided as a stellar "amount", i.e.

String returns an "amount string" from the provided raw xdr.Int64 value `v`.

StringFromInt64 returns an "amount string" from the provided raw int64 value `v`.

One is the value of one whole unit of currency.