Invoice with all required data and metadata

o Amounts computed in each line-item currency
o Taxes and total Amounts for each invoice cryptocurrency
o Lots of cleanup work yet to do

Author: pjkundert

slip39/defaults.py

@@ -178,7 +178,7 @@
 # current prices for cryptocurrencies -- if you have access to an Ethereum blockchain (either
 # locally or via an HTTPS API like Alchemy), then we can securely and reliably get current prices.
 # To avoid conflicts, by convention we upper-case symbols, lower-case full names.
-INVOICE_ROWS			= 40
+INVOICE_ROWS			= 60
 INVOICE_CURRENCY		= "USD"
 INVOICE_PROXIES			= {
     "USD":		"USDC",