Pascal case for Enums, calculator program + Modified Hello program

docs/introduction/calculator-your-first-seahorse-program.md

@@ -149,10 +149,10 @@ The operation will be an enum (enumerated type), which is a type that can simply
 
 ```
 class Operation(Enum):
-  ADD = 0
-  SUB = 1
-  MUL = 2
-  DIV = 3
+  Add = 0
+  Sub = 1
+  Mul = 2
+  Div = 3
 ```
 
 For parsing purposes, each variant in the enum needs a unique number associated with it. These have no bearing on the generated code.
@@ -168,13 +168,13 @@ def do_operation(owner: Signer, calculator: Calculator, op: Operation, num: i64)
   assert owner.key() == calculator.owner, 'This is not your calculator!'
 
 
-  if op == Operation.ADD:
+  if op == Operation.Add:
     calculator.display += num
-  elif op == Operation.SUB:
+  elif op == Operation.Sub:
     calculator.display -= num
-  elif op == Operation.MUL:
+  elif op == Operation.Mul:
     calculator.display *= num
-  elif op == Operation.DIV:
+  elif op == Operation.Div:
     calculator.display //= num
 ```
 

examples/calculator.py

@@ -12,10 +12,10 @@ class Calculator(Account):
   display: i64
 
 class Operation(Enum):
-  ADD = 0
-  SUB = 1
-  MUL = 2
-  DIV = 3
+  Add = 0
+  Sub = 1
+  Mul = 2
+  Div = 3
 
 @instruction
 def init_calculator(owner: Signer, calculator: Empty[Calculator]):
@@ -34,11 +34,11 @@ def reset_calculator(owner: Signer, calculator: Calculator):
 def do_operation(owner: Signer, calculator: Calculator, op: Operation, num: i64):
   assert owner.key() == calculator.owner, 'This is not your calculator!'
 
-  if op == Operation.ADD:
+  if op == Operation.Add:
     calculator.display += num
-  elif op == Operation.SUB:
+  elif op == Operation.Sub:
     calculator.display -= num
-  elif op == Operation.MUL:
+  elif op == Operation.Mul:
     calculator.display *= num
-  elif op == Operation.DIV:
+  elif op == Operation.Div:
     calculator.display //= num

examples/hello.py

@@ -1,19 +1,20 @@
 # hello
-# Built with Seahorse v0.2.3
+# Built with Seahorse v0.2.0
 #
 # Greets users to Solana by printing a message and minting them a token!
 
 from seahorse.prelude import *
 
-declare_id('Fg6PaFpoGXkYsidMpWTK6W2BeZ7FEfcYkg476zPFsLnS')
+declare_id('')
 
 
 class Hello(Account):
   bump: u8
 
 
 @instruction
-def init(owner: Signer, hello: Empty[Hello], mint: Empty[TokenMint]):
+def init_token(owner: Signer, hello: Empty[Hello], mint: Empty[TokenMint]):
+
   bump = hello.bump()
 
   hello = hello.init(
@@ -31,13 +32,27 @@ def init(owner: Signer, hello: Empty[Hello], mint: Empty[TokenMint]):
   hello.bump = bump
 
 
+@instruction
+def init_user_token_account(user: Signer, user_acc: Empty[TokenAccount], mint: TokenMint):
+
+  user_acc.init(
+    payer = user,
+    seeds = ["hello-token", mint],
+    mint = mint,
+    authority = user
+  )
+
+
 @instruction
 def say_hello(user_acc: TokenAccount, hello: Hello, mint: TokenMint):
+
   bump = hello.bump
-  print(f'Hello {user_acc.authority()}, have a token!')
+
   mint.mint(
     authority = hello,
     to = user_acc,
     amount = u64(1),
     signer = ['hello', bump]
   )
+
+  print(f'Hello {user_acc.authority()}, have a token!')