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Puzzle 6

CALLDATALOAD

Puzzle
############
# Puzzle 6 #
############
​
00      6000      PUSH1 00
02      35        CALLDATALOAD
03      56        JUMP
04      FD        REVERT
05      FD        REVERT
06      FD        REVERT
07      FD        REVERT
08      FD        REVERT
09      FD        REVERT
0A      5B        JUMPDEST
0B      00        STOP
​
? Enter the calldata: 
Solution
From evm.codes:
CALLDATALOAD
CALLDATALOAD(0x00) loads calldata with offset 0 (LSB in this case), and JUMP jumps to this address.
The objective is to jump to address 0x0A, so calldata should be 0x000000000000000000000000000000000000000000000000000000000000000A, where 31 bytes of 0x00 are padded on the left.

Puzzle 5

Puzzle 7

Last modified 8mo ago