Yul Puzzles by RareSkills

How to play

Open src/ReturnBool.sol and test/ReturnBool.t.sol. Your goal is to write assembly code in each puzzle that makes the test pass. You may only write assembly code.

Run the test with

forge test --mp test/ReturnBool.t.sol

Now repeat this with the other puzzles.

Suggested order of the Puzzles

Go through the puzzles sequentially

0. ReturnBool (solved)
1. SimpleRevert
2. RevertWithSelector
3. Return42
4. RevertWithError
5. RevertWithSelectorPlusArgs
6. RevertWithPanic
7. Double
8. Calculator
9. DoubleOrNothing
10. MaxOfTwoValues
11. IsPrime
12. CalldataLength
13. KeccakX
14. KeccakFirstCalldata
15. KeccakSecondCalldata
16. LengthOfDynamicArray
17. MaxOfArray
18. ReadFromStorage
19. WriteToStorage
20. ReadFromFixedArray
21. Tenary
22. WriteToFixedArray
23. ReadFromDynamicArray
24. WriteToDynamicArray
25. ReadFromMapping
26. WriteToMapping
27. PushToDynamicArray
28. PopFromDynamicArray
29. ReadFromDoubleMapping
30. ReadFromDynamicArrayAndRevertOnFailure
31. WriteToDoubleMapping
32. WriteDynamicArrayToStorage
33. WriteTwoDynamicArraysToStorage
34. ReadFromPacked128
35. WriteToPacked128
36. ReadFromPacked64
37. WriteToPacked64
38. WriteToPackedDynamicArray64
39. ReadFromMappingInStruct
40. EventWithoutData
41. EventWithData
42. EventWithIndexedData
43. EventWithMultipleData
44. AnonymonusEventWithoutData
45. AnonymonusEventWithData
46. AnonymonusEventWithIndexedData
47. AnonymonusEventWithComplexData
48. EventWithComplexData
49. BatchEvents
50. CalculatorInFallback
51. ReturnOppositeBool
52. ReturnTwoBools
53. ReturnArrayOfUint256
54. ReturnString
55. ReturnBytes
56. FizzBuzz
57. ReturnTupleOfString
58. ReturnSimpleStruct
59. ReturnTupleOfUint256String
60. ReturnTupleOfStringUnit256
61. SendEther
62. SendAllEther
63. PaymentSplitter
64. SendBack
65. BasicBank
66. SimpleCall
67. SimpleCallWithValue
68. Approve
69. TransferFrom
70. BalanceOf