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nimbus-eth1/tests/test_op_arith.nim

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import macro_assembler, unittest
suite "Arithmetic Opcodes":
let (blockNumber, chainDB) = initDatabase()
assembler:
title: "ADD_1"
code:
PUSH1 "0x02"
PUSH1 "0x02"
ADD
stack: "0x04"
assembler:
title: "ADD_2"
code:
PUSH2 "0x1002"
PUSH1 "0x02"
ADD
stack: "0x1004"
assembler:
title: "ADD_3"
code:
PUSH2 "0x1002"
PUSH6 "0x123456789009"
ADD
stack: "0x12345678A00B"
assembler:
title: "ADD_4"
code:
PUSH2 "0x1234"
ADD
success: false
stack: "0x1234"
assembler:
title: "ADDMOD_1"
code:
PUSH1 "0x02"
PUSH1 "0x02"
PUSH1 "0x03"
ADDMOD
stack: "0x01"
assembler:
title: "ADDMOD_2"
code:
PUSH2 "0x1000"
PUSH1 "0x02"
PUSH2 "0x1002"
ADDMOD
PUSH1 "0x00"
stack:
"0x04"
"0x00"
assembler:
title: "ADDMOD_3"
code:
PUSH2 "0x1002"
PUSH6 "0x123456789009"
PUSH1 "0x02"
ADDMOD
stack: "0x093B"
assembler:
title: "ADDMOD_4"
code:
PUSH2 "0x1234"
ADDMOD
stack: "0x1234"
success: false
assembler:
title: "MUL_1"
code:
PUSH1 "0x03"
PUSH1 "0x02"
MUL
stack: "0x06"
assembler:
title: "MUL_2"
code:
PUSH3 "0x222222"
PUSH1 "0x03"
MUL
stack: "0x666666"
assembler:
title: "MUL_3"
code:
PUSH3 "0x222222"
PUSH3 "0x333333"
MUL
stack: "0x6D3A05F92C6"
assembler:
title: "MUL_4"
code:
PUSH1 "0x01"
MUL
stack: "0x01"
success: false
assembler: # MULMOD OP
title: "MULMOD_2"
code:
PUSH3 "0x222222"
PUSH1 "0x03"
PUSH1 "0x04"
MULMOD
stack: "0x000000000000000000000000000000000000000000000000000000000000000C"
assembler: # MULMOD OP
title: "MULMOD_3"
code:
PUSH3 "0x222222"
PUSH3 "0x333333"
PUSH3 "0x444444"
MULMOD
stack: "0x0000000000000000000000000000000000000000000000000000000000000000"
assembler: # MULMOD OP mal
title: "MULMOD_4"
code:
PUSH1 "0x01"
MULMOD
success: false
stack: "0x01"
assembler: # DIV OP
title: "DIV_1"
code:
PUSH1 "0x02"
PUSH1 "0x04"
DIV
stack: "0x0000000000000000000000000000000000000000000000000000000000000002"
assembler: # DIV OP
title: "DIV_2"
code:
PUSH1 "0x33"
PUSH1 "0x99"
DIV
stack: "0x0000000000000000000000000000000000000000000000000000000000000003"
assembler: # DIV OP
title: "DIV_3"
code:
PUSH1 "0x22"
PUSH1 "0x99"
DIV
stack: "0x0000000000000000000000000000000000000000000000000000000000000004"
assembler: # DIV OP
title: "DIV_4"
code:
PUSH1 "0x15"
PUSH1 "0x99"
DIV
stack: "0x0000000000000000000000000000000000000000000000000000000000000007"
assembler: # DIV OP
title: "DIV_5"
code:
PUSH1 "0x04"
PUSH1 "0x07"
DIV
stack: "0x0000000000000000000000000000000000000000000000000000000000000001"
assembler: # DIV OP
title: "DIV_6"
code:
PUSH1 "0x07"
DIV
success: false
stack: "0x07"
assembler: # SDIV OP
title: "SDIV_1"
code:
PUSH2 "0x03E8"
PUSH32 "0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC18"
SDIV
stack: "0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
assembler: # SDIV OP
title: "SDIV_2"
code:
PUSH1 "0xFF"
PUSH1 "0xFF"
SDIV
stack: "0x0000000000000000000000000000000000000000000000000000000000000001"
assembler: # SDIV OP, SDIV by zero should be zero
title: "SDIV_3"
code:
PUSH1 "0x00"
PUSH1 "0xFF"
SDIV
stack: "0x0000000000000000000000000000000000000000000000000000000000000000"
assembler: # SDIV OP mal
title: "SDIV_4"
code:
PUSH1 "0xFF"
SDIV
success: false
stack: "0xFF"
assembler: # -2^255 SDIV -1 = -2^255 (special case in yellow paper)
title: "SDIV_5"
code:
PUSH32 "0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" # -1
PUSH32 "0x8000000000000000000000000000000000000000000000000000000000000000" # -2^255 == low(int256)
SDIV
stack: "0x8000000000000000000000000000000000000000000000000000000000000000" # -2^255 == low(int256)
assembler: # -2^255 SDIV 1 = -2^255
title: "SDIV_6"
code:
PUSH32 "0x0000000000000000000000000000000000000000000000000000000000000001" # 1
PUSH32 "0x8000000000000000000000000000000000000000000000000000000000000000" # -2^255 == low(int256)
SDIV
stack: "0x8000000000000000000000000000000000000000000000000000000000000000" # -2^255 == low(int256)
assembler: # -2 SDIV 2 = -1
title: "SDIV_7"
code:
PUSH32 "0x0000000000000000000000000000000000000000000000000000000000000002" # 2
PUSH32 "0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE" # -2
SDIV
stack: "0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" # -1
assembler: # 4 SDIV -2 = -2
title: "SDIV_8"
code:
PUSH32 "0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE" # -2
PUSH32 "0x0000000000000000000000000000000000000000000000000000000000000004" # 4
SDIV
stack: "0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE" # -2
assembler: # -4 SDIV 2 = -2
title: "SDIV_9"
code:
PUSH32 "0x0000000000000000000000000000000000000000000000000000000000000002" # -4
PUSH32 "0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC" # 2
SDIV
stack: "0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE" # -2
assembler: # -1 SDIV 2 = 0
title: "SDIV_10"
code:
PUSH32 "0x0000000000000000000000000000000000000000000000000000000000000002" # 2
PUSH32 "0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" # -1
SDIV
stack: "0x00" # 0
assembler: # low(int256) SDIV low(int256) = 1
title: "SDIV_11"
code:
PUSH32 "0x8000000000000000000000000000000000000000000000000000000000000000" # low(int256)
PUSH32 "0x8000000000000000000000000000000000000000000000000000000000000000" # low(int256)
SDIV
stack: "0x01" # 1
assembler: # low(int256) SDIV 2
title: "SDIV_12"
code:
PUSH32 "0x0000000000000000000000000000000000000000000000000000000000000002" # 2
PUSH32 "0x8000000000000000000000000000000000000000000000000000000000000000" # low(int256)
SDIV
stack: "0xC000000000000000000000000000000000000000000000000000000000000000" # negative half low(int256)
assembler: # low(int256) SDIV -2
title: "SDIV_13"
code:
PUSH32 "0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE" # -2
PUSH32 "0x8000000000000000000000000000000000000000000000000000000000000000" # low(int256)
SDIV
stack: "0x4000000000000000000000000000000000000000000000000000000000000000" # positive version of SDIV_12
assembler:
title: "SDIV_14"
code:
PUSH1 "0x01" # 1
PUSH1 "0x7F" # 127
SHL # 1 shl 127 (move the bit to the center or 128th position)
PUSH1 "0x01" # 1
PUSH1 "0xFF" # 255
SHL # 1 shl 255 (create low(int256))
SDIV
stack: "0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00000000000000000000000000000000" # half of the hi bits are set
fork: constantinople
assembler: # SUB OP
title: "SUB_1"
code:
PUSH1 "0x04"
PUSH1 "0x06"
SUB
stack: "0x0000000000000000000000000000000000000000000000000000000000000002"
assembler: # SUB OP
title: "SUB_2"
code:
PUSH2 "0x4444"
PUSH2 "0x6666"
SUB
stack: "0x0000000000000000000000000000000000000000000000000000000000002222"
assembler: # SUB OP
title: "SUB_3"
code:
PUSH2 "0x4444"
PUSH4 "0x99996666"
SUB
stack: "0x0000000000000000000000000000000000000000000000000000000099992222"
assembler: # SUB OP mal
title: "SUB_4"
code:
PUSH4 "0x99996666"
SUB
success: false
stack: "0x99996666"
assembler: # EXP OP
title: "EXP_1"
code:
PUSH1 "0x03"
PUSH1 "0x02"
EXP
stack: "0x0000000000000000000000000000000000000000000000000000000000000008"
#assertEquals(4, gas);
assembler: # EXP OP
title: "EXP_2"
code:
PUSH1 "0x00"
PUSH3 "0x123456"
EXP
stack: "0x0000000000000000000000000000000000000000000000000000000000000001"
#assertEquals(3, gas);
assembler: # EXP OP
title: "EXP_3"
code:
PUSH2 "0x1122"
PUSH1 "0x01"
EXP
stack: "0x0000000000000000000000000000000000000000000000000000000000000001"
#assertEquals(5, gas);
assembler: # EXP OP mal
title: "EXP_4"
code:
PUSH3 "0x123456"
EXP
success: false
stack: "0x123456"
assembler: # MOD OP
title: "MOD_1"
code:
PUSH1 "0x03"
PUSH1 "0x04"
MOD
stack: "0x0000000000000000000000000000000000000000000000000000000000000001"
assembler: # MOD OP
title: "MOD_2"
code:
PUSH2 "0x012C"
PUSH2 "0x01F4"
MOD
stack: "0x00000000000000000000000000000000000000000000000000000000000000C8"
assembler: # MOD OP
title: "MOD_3"
code:
PUSH1 "0x04"
PUSH1 "0x02"
MOD
stack: "0x0000000000000000000000000000000000000000000000000000000000000002"
assembler: # MOD OP mal
title: "MOD_4"
code:
PUSH1 "0x04"
MOD
success: false
stack: "0x04"
assembler: # SMOD OP
title: "SMOD_1"
code:
PUSH1 "0x03"
PUSH1 "0x04"
SMOD
stack: "0x0000000000000000000000000000000000000000000000000000000000000001"
assembler: # SMOD OP
title: "SMOD_2"
code:
PUSH32 "0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE2" # -30
PUSH32 "0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF56" # -170
SMOD
stack: "0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEC"
assembler: # SMOD OP
title: "SMOD_3"
code:
PUSH32 "0x000000000000000000000000000000000000000000000000000000000000001E" # 30
PUSH32 "0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF56" # -170
SMOD
stack: "0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEC"
assembler: # SMOD OP mal
title: "SMOD_4"
code:
PUSH32 "0x000000000000000000000000000000000000000000000000000000000000001E" # 30
SMOD
success: false
stack: "0x000000000000000000000000000000000000000000000000000000000000001E"
# real case, EVM bug, integer over flow
assembler: # SIGNEXTEND OP
title: "SIGNEXTEND_1"
code:
PUSH32 "0x000000000000000000000000000000003f9b347132d29b62d161117bca8c7307"
PUSH1 "0x0F"
SIGNEXTEND
stack: "0x000000000000000000000000000000003f9b347132d29b62d161117bca8c7307"
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