[WIP] [NUTs] NUT-06 update: deprecate amount field in /split (#263)

* mint upgraded and still backwards compatible

* cleanup

* fix tests

* fix things

* add deprecated message to new struct

* fix test

* fix typo

* readd endpoint that got lost during merge

* version bump in pyproject.toml

* remove wallet backwards compatibility because it makes no sense

* comment for backwards compat

* fix comment

tests/test_core.py

@@ -27,6 +27,13 @@ def test_tokenv3_deserialize_serialize():
     assert token.serialize() == token_str
 
 
+def test_tokenv3_deserialize_with_memo():
+    token_str = "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"
+    token = TokenV3.deserialize(token_str)
+    assert token.serialize() == token_str
+    assert token.memo == "Test memo"
+
+
 def test_calculate_number_of_blank_outputs():
     # Example from NUT-08 specification.
     fee_reserve_sat = 1000

tests/test_wallet.py

@@ -198,7 +198,8 @@ async def test_split_more_than_balance(wallet1: Wallet):
     await wallet1.mint(64)
     await assert_err(
         wallet1.split(wallet1.proofs, 128),
-        "Mint Error: split amount is higher than the total sum.",
+        # "Mint Error: inputs do not have same amount as outputs",
+        "amount too large.",
     )
     assert wallet1.balance == 64
 
@@ -274,7 +275,7 @@ async def test_split_invalid_amount(wallet1: Wallet):
     await wallet1.mint(64)
     await assert_err(
         wallet1.split(wallet1.proofs, -1),
-        "Mint Error: invalid split amount: -1",
+        "amount must be positive.",
     )