Feature/counters and comments

main/constants.zkasm

@@ -67,17 +67,28 @@ CONST %SSTORE_SET_GAS_REDUCED = 19900 ; sstore gas cost reduced base_dynamic_gas
 CONST %SSTORE_RESET_GAS = 2900
 CONST %SSTORE_RESET_GAS_REDUCED = 2800 ; sstore update gas cost reduced base_dynamic_gas(original_value == 0) - base_dynamic_gas(100)
 CONST %SSTORE_CLEARS_SCHEDULE = 15000
+
 ; COUNTERS
 CONST %MIN_STEPS_FINISH_BATCH = 200 ; min steps to finish tx
 CONST %TOTAL_STEPS = 2**23
 CONST %MAX_CNT_STEPS = %TOTAL_STEPS - %MIN_STEPS_FINISH_BATCH
 
-CONST %MAX_CNT_ARITH = %TOTAL_STEPS / 32
-CONST %MAX_CNT_BINARY = %TOTAL_STEPS / 16
-CONST %MAX_CNT_MEM_ALIGN = %TOTAL_STEPS / 32
-CONST %MAX_CNT_KECCAK_F = (%TOTAL_STEPS / 155286) * 44
-CONST %MAX_CNT_PADDING_PG = (%TOTAL_STEPS / 56)
-CONST %MAX_CNT_POSEIDON_G = (%TOTAL_STEPS / 30)
+CONST %MAX_CNT_ARITH_LIMIT = %TOTAL_STEPS / 32
+CONST %MAX_CNT_BINARY_LIMIT = %TOTAL_STEPS / 16
+CONST %MAX_CNT_MEM_ALIGN_LIMIT = %TOTAL_STEPS / 32
+CONST %MAX_CNT_KECCAK_F_LIMIT = (%TOTAL_STEPS / 155286) * 44
+CONST %MAX_CNT_PADDING_PG_LIMIT = (%TOTAL_STEPS / 56)
+CONST %MAX_CNT_POSEIDON_G_LIMIT = (%TOTAL_STEPS / 30)
+
+CONST %SAFE_RANGE = 20 ; safe guard counters to not take into account (%RANGE = 1 / SAFE_RANGE)
+
+CONST %MAX_CNT_ARITH = %MAX_CNT_ARITH_LIMIT - (%MAX_CNT_ARITH_LIMIT / %SAFE_RANGE)
+CONST %MAX_CNT_BINARY = %MAX_CNT_BINARY_LIMIT - (%MAX_CNT_BINARY_LIMIT / %SAFE_RANGE)
+CONST %MAX_CNT_MEM_ALIGN = %MAX_CNT_MEM_ALIGN_LIMIT - (%MAX_CNT_MEM_ALIGN_LIMIT / %SAFE_RANGE)
+CONST %MAX_CNT_KECCAK_F = %MAX_CNT_KECCAK_F_LIMIT - (%MAX_CNT_KECCAK_F_LIMIT / %SAFE_RANGE)
+CONST %MAX_CNT_PADDING_PG = %MAX_CNT_PADDING_PG_LIMIT - (%MAX_CNT_PADDING_PG_LIMIT / %SAFE_RANGE)
+CONST %MAX_CNT_POSEIDON_G = %MAX_CNT_POSEIDON_G_LIMIT - (%MAX_CNT_POSEIDON_G_LIMIT / %SAFE_RANGE)
+
 CONST %MIN_CNT_KECCAK_BATCH = 1 ; minimum necessary keccaks to compute global hash
 
 ; ETHEREUM CONSTANTS

main/opcodes/arithmetic.zkasm

@@ -2,8 +2,8 @@
 /**
  * @link [Link EVM behaviour --> evm.codes?]
  * @zk-counters
+ *  - 20 steps
  *  - 1 binary
- *  - 100 steps
  * @process-opcode
  *  - stack input: [a, b]
  *  - stack output: [a + b]
@@ -30,8 +30,7 @@ opADD:
 /**
  * @link [https://www.evm.codes/#02?fork=berlin]
  * @zk-counters
- *  - 1 arith
- *  - 100 steps
+ *  - 20 steps
  * @process-opcode
  *  - stack input: [a, b]
  *  - stack output: [a * b]
@@ -58,8 +57,8 @@ opMUL:
 /**
  * @link [https://www.evm.codes/#03?fork=berlin]
  * @zk-counters
- *  - 1 arith
- *  - 100 steps
+ *  - 20 steps
+ *  - 1 binary
  * @process-opcode
  *  - stack input: [a, b]
  *  - stack output: [a - b]
@@ -81,9 +80,7 @@ opSUB:
 /**
  * @link [https://www.evm.codes/#04?fork=berlin]
  * @zk-counters
- *  - 1 arith
- *  - 2 binary
- *  - 100 steps
+ *  - 20 steps
  * @process-opcode
  *  - stack input: [a, b]
  *  - stack output: [a / b]
@@ -109,9 +106,8 @@ opDIV:
 /**
  * @link [https://www.evm.codes/#05?fork=berlin]
  * @zk-counters
- *  - 1 arith
- *  - 2 binary
- *  - 100 steps
+ *  - 50 steps
+ *  - 1 binary
  * @process-opcode
  *  - stack input: [a, b]
  *  - stack output: [a / b]
@@ -148,9 +144,7 @@ SDIVNeg:
 /**
  * @link [https://www.evm.codes/#06?fork=berlin]
  * @zk-counters
- *  - 1 arith
- *  - 2 binary
- *  - 100 steps
+ *  - 20 steps
  * @process-opcode
  *  - stack input: [a, b]
  *  - stack output: [a % b]
@@ -174,9 +168,8 @@ opMOD:
 /**
  * @link [https://www.evm.codes/#07?fork=berlin]
  * @zk-counters
- *  - 1 arith
- *  - 8 binary
- *  - 100 steps
+ *  - 20 steps
+ *  - 1 binary
  * @process-opcode
  *  - stack input: [a, b]
  *  - stack output: [a % b]
@@ -210,9 +203,9 @@ opSMODNeg:
 /**
  * @link [https://www.evm.codes/#08?fork=berlin]
  * @zk-counters
- *  - 1 arith
- *  - 4 binary
  *  - 80 steps
+ *  - 3 binary
+ *  - 1 arith
  * @process-opcode
  *  - stack input: [a, b, N]
  *  - stack output: [(a + b) % N]
@@ -262,9 +255,7 @@ zeroOneAddMod:
 /**
  * @link [https://www.evm.codes/#09?fork=berlin]
  * @zk-counters
- *  - 3 arith
- *  - 3 binary
- *  - 100 steps
+ *  - 20 steps
  * @process-opcode
  *  - stack input: [a, b, N]
  *  - stack output: [(a * b) % N]
@@ -287,8 +278,7 @@ opMULMOD:
 /**
  * @link [https://www.evm.codes/#0A?fork=berlin]
  * @zk-counters
- *  - 5 binary
- *  - 100 steps
+ *  - 20 steps
  * @process-opcode
  *  - stack input: [a, exp]
  *  - stack output: [a ** exp]
@@ -319,8 +309,8 @@ opEXP:
 /**
  * @link [https://www.evm.codes/#0B?fork=berlin]
  * @zk-counters
- *  - 6 arith
  *  - 100 steps
+ *  - 6 binary
  * @process-opcode
  *  - stack input: [b,x]
  *  - stack output: [y]

main/opcodes/block.zkasm

@@ -1,8 +1,8 @@
 /**
  * @link [https://www.evm.codes/#40?fork=berlin]
  * @zk-counters
- *  - 1 keccak
  *  - 255 poseidon
+ *  - 1 keccak
  *  - 100 steps
  * @process-opcode
  *  - stack input: [blockNumber]
@@ -54,7 +54,7 @@ opBLOCKHASHzero:
 /**
  * @link [https://www.evm.codes/#41?fork=berlin]
  * @zk-counters
- *  - 100 steps
+ *  - 10 steps
  * @process-opcode
  *  - stack input: []
  *  - stack output: [address]
@@ -74,7 +74,7 @@ opCOINBASE:
 /**
  * @link [https://www.evm.codes/#42?fork=berlin]
  * @zk-counters
- *  - 100 steps
+ *  - 10 steps
  * @process-opcode
  *  - stack input: []
  *  - stack output: [timestamp]
@@ -93,7 +93,7 @@ opTIMESTAMP:
 /**
  * @link [https://www.evm.codes/#43?fork=berlin]
  * @zk-counters
- *  - 100 steps
+ *  - 10 steps
  * @process-opcode
  *  - stack input: []
  *  - stack output: [blockNumber]
@@ -113,7 +113,7 @@ opNUMBER:
 /**
  * @link [https://www.evm.codes/#44?fork=berlin]
  * @zk-counters
- *  - 100 steps
+ *  - 10 steps
  * @process-opcode
  *  - stack input: []
  *  - stack output: [difficulty]
@@ -133,7 +133,7 @@ opDIFFICULTY:
 /**
  * @link [https://www.evm.codes/#45?fork=berlin]
  * @zk-counters
- *  - 100 steps
+ *  - 10 steps
  * @process-opcode
  *  - stack input: []
  *  - stack output: [gasLimit]
@@ -153,7 +153,7 @@ opGASLIMIT:
 /**
  * @link [https://www.evm.codes/#46?fork=berlin]
  * @zk-counters
- *  - 100 steps
+ *  - 10 steps
  * @process-opcode
  *  - stack input: []
  *  - stack output: [chainId]
@@ -172,7 +172,7 @@ opCHAINID:
 /**
  * @link [https://www.evm.codes/#48?fork=berlin]
  * @zk-counters
- *  - 100 steps
+ *  - 10 steps
  * @process-opcode
  *  - stack input: []
  *  - stack output: [baseFee]

main/opcodes/calldata-returndata-code.zkasm

@@ -2,8 +2,7 @@
 /**
  * @link [https://www.evm.codes/#35?fork=berlin]
  * @zk-counters
- *  - 64 arith
- *  - 66 binary
+ *  - 1 binary
  *  - 100 steps
  * @process-opcode
  *  - stack input: [offset]
@@ -82,10 +81,8 @@ opCALLDATASIZEdep:
 /**
  * @link [https://www.evm.codes/#37?fork=berlin]
  * @zk-counters
- *  - 192 arith
- *  - 192 binary
- *  - 1 mem align
  *  - 100 steps
+ *  - 2 binary
  * @process-opcode
  *  - stack input: [destOffset, offset, size]
  *  - stack output: []
@@ -224,8 +221,8 @@ opCALLDATACOPYend:
 /**
  * @link [https://www.evm.codes/#38?fork=berlin]
  * @zk-counters
- *  - 252 poseidon
- *  - 100 steps
+ *  - 255 poseidon
+ *  - 30 steps
  * @process-opcode
  *  - stack input: []
  *  - stack output: [size]
@@ -263,7 +260,7 @@ VAR GLOBAL memInteger
 /**
  * @link [https://www.evm.codes/#39?fork=berlin]
  * @zk-counters
- *  - dynamic binary: 100 * size
+ *  - dynamic binary: 2 * size
  *  - dynamic mem align: 2 * size
  *  - dynamic poseidon: 510 * size
  *  - dynamic steps: 100 * size
@@ -366,8 +363,8 @@ readValueBytecode:
 /**
  * @link [https://www.evm.codes/#3B?fork=berlin]
  * @zk-counters
- *  - 255 poseidon
  *  - 100 steps
+ *  - 255 poseidon
  * @process-opcode
  *  - stack input: [address]
  *  - stack output: [size]
@@ -399,11 +396,8 @@ VAR GLOBAL tmpContractLength
 /**
  * @link [https://www.evm.codes/#51?fork=berlin]
  * @zk-counters
- *  - 11 padding
- *  - dynamic binary: 100 * size
- *  - dynamic mem align: 2 * size
- *  - dynamic poseidon: 510 * size
- *  - dynamic steps: 100 * size
+ *  - dynamic: 100
+ *  - dynamic poseidon: 255 + f(size)
  * @process-opcode
  *  - stack input: [address, destOffset, offset, size]
  *  - stack output: []
@@ -507,7 +501,7 @@ opEXTCODECOPYCheckHashEnd:
  * @link [https://www.evm.codes/#3D?fork=berlin]
  * @zk-counters
  *  - 1 binary
- *  - 100 steps
+ *  - 20 steps
  * @process-opcode
  *  - stack input: []
  *  - stack output: [size]
@@ -537,10 +531,7 @@ endOpRETURNDATASIZE:
 /**
  * @link [https://www.evm.codes/#3E?fork=berlin]
  * @zk-counters
- *  - 32 arith
- *  - 32 binary
- *  - 2 mem align
- *  - 510 poseidon
+ *  - 2 binary
  *  - dynamic steps: 400 + 100 * size
  * @process-opcode
  *  - stack input: [destOffset, offset, size]
@@ -631,8 +622,8 @@ opRETURNDATACOPYEmpty:
 /**
  * @link [https://www.evm.codes/#3F?fork=berlin]
  * @zk-counters
- *  - 255 poseidon
  *  - 100 steps
+ *  - 255 poseidon
  * @process-opcode
  *  - stack input: [address]
  *  - stack output: [hash]