Refactored - 1.0.1

Author: Tynik

README.md

@@ -125,7 +125,7 @@ def main():
     # `<b swap B, b>`
     builder().b(swap())
     # `<b swap ref, b>`
-    builder().ref(swap())
+    builder().r(swap())
     # `<b b{1001} s, b>`
     builder().s('b{1001}')
     # `<b 3 16 u, .s b>`
@@ -149,7 +149,7 @@ def main():
     file('test.bin').write()
     # deserialize data from a file
     # transforms in `"test.bin" file>B B>boc <s 7 u@+ 2 s@+ 256 B@+ ref@+`
-    file('test.bin').deserialize().u(7).s(2).b(256).ref()
+    file('test.bin').deserialize().u(7).s(2).b(256).r()
 
     # deserialize data and safe something to constants
     # transforms in:
@@ -162,27 +162,7 @@ def main():
         .u(7)
         .s(2)
         .b(256, const=a)
-        .ref(const=b))
-
-main()
-```
-
-#### Simple loops
-
-```python
-from fift.fift import *
-
-@script()
-def main():
-    # Simple loop. Transforms in `1 { 1+ } 1 times`
-    times(3, '1+').before(1)
-    # Reads a value from a constant and sum itself in each iteration of the loop 
-    # writing a new value to the constant
-    # Transforms in:
-    #   1 constant a
-    #   @' a { dup + =: a } 3 times
-    a = const('a', 1)
-    times(3, assign(a, dup(), '+')).before(a)
+        .r(const=b))
 
 main()
 ```

examples/__init__.py

@@ -0,0 +1,23 @@
+"""
+https://test.ton.org/fiftbase.pdf#page=30&zoom=100,0,172
+"""
+
+from fift.fift import *
+
+
+@script()
+def main():
+    pos_neg_cond = (cond('0<')
+        .pos(String('negative').print())
+        .neg(String('positive').print()))
+
+    check_sign = word('check_sign', dupnz(), (cond()
+        .pos(pos_neg_cond)
+        .neg(String('zero').print())))
+
+    check_sign(-17)
+    check_sign(0)
+    check_sign(3)
+
+
+print(main())

examples/chksign.py

@@ -0,0 +1,28 @@
+from fift.fift import *
+
+
+def usage():
+    return word(
+        'usage',
+        string(
+            'usage:',
+            const('$0'),
+            ' <filename-base> <dest-addr> <seqno> <amount> [-B <body-boc>] [-C <transfer-comment>] [<savefile>]'
+        ).print(cr=True),
+        string(
+            'Creates a request to simple wallet created by new-wallet.fif, '
+            'with private key loaded from file <filename-base>.pk and address '
+            'from <filename-base>.addr, and saves it into <savefile>.boc (\'wallet-query.boc\' by default)'
+        ).print(cr=True),
+        halt(1)
+    )
+
+
+@script()
+def main():
+    include('TonUtil.fif')
+
+    usage()
+
+
+print(main())