# Unify gas cost variable naming
## Mutual Variable
### Basic Operation
| EELS | EEST | Value | Description |
|----------------|----------------|-------|-------------|
| `GAS_JUMPDEST` | `G_JUMPDEST` | 1 | Jump destination opcode |
| `GAS_BASE` | `G_BASE` | 2 | Base operation cost |
| `GAS_VERY_LOW` | `G_VERY_LOW` | 3 | Very low cost operations |
| `GAS_LOW` | `G_LOW` | 5 | Low cost operations |
| `GAS_MID` | `G_MID` | 8 | Medium cost operations |
| `GAS_HIGH` | `G_HIGH` | 10 | High cost operations |
| `GAS_MEMORY` | `G_MEMORY` | 3 | Memory allocation cost |
| `GAS_CREATE` | `G_CREATE` | 32000 | Contract creation cost |
| `GAS_CODE_DEPOSIT` | `G_CODE_DEPOSIT_BYTE` | 200 | Code deposit per byte |
| `GAS_CALL_VALUE` | `G_CALL_VALUE` | 9000 | Value transfer cost |
| `GAS_CALL_STIPEND` | `G_CALL_STIPEND` | 2300 | Call stipend |
| `GAS_NEW_ACCOUNT` | `G_NEW_ACCOUNT` | 25000 | New account creation |
| `GAS_SELF_DESTRUCT` | `G_SELF_DESTRUCT` | 5000 | Self-destruct cost |
| `GAS_LOG` | `G_LOG` | 375 | Log operation cost |
| `GAS_LOG_DATA` | `G_LOG_DATA` | 8 | Log data cost per byte |
| `GAS_LOG_TOPIC` | `G_LOG_TOPIC` | 375 | Log topic cost |
| `GAS_KECCAK256` | `G_KECCAK_256` | 30 | Keccak256 base cost |
| `GAS_KECCAK256_WORD` | `G_KECCAK_256_WORD` | 6 | Keccak256 per word |
| `GAS_COPY` | `G_COPY` | 3 | Copy operation cost |
| `GAS_BLOCK_HASH` | `G_BLOCKHASH` | 20 | Block hash cost |
### Storage Operations Mapping
| Execution Spec | Test Framework | Value | Description |
|----------------|----------------|-------|-------------|
| `GAS_STORAGE_SET` | `G_STORAGE_SET` | 20000 | Storage slot set cost |
| `GAS_STORAGE_UPDATE` | `G_STORAGE_RESET` | 5000 | Storage slot update cost |
| `GAS_STORAGE_CLEAR_REFUND` | `R_STORAGE_CLEAR` | 4800 | Storage clear refund |
| `GAS_COLD_SLOAD` | `G_COLD_SLOAD` | 2100 | Cold storage load |
| `GAS_WARM_ACCESS` | `G_WARM_ACCOUNT_ACCESS` | 100 | Warm account access |
| `GAS_COLD_ACCOUNT_ACCESS` | `G_COLD_ACCOUNT_ACCESS` | 2600 | Cold account access |
### Exponentiation Mapping
| Execution Spec | Test Framework | Value | Description |
|----------------|----------------|-------|-------------|
| `GAS_EXPONENTIATION` | `G_EXP` | 10 | Exponentiation base cost |
| `GAS_EXPONENTIATION_PER_BYTE` | `G_EXP_BYTE` | 50 | Exponentiation per byte |
## EELS Specific
```python
# Blob Gas (EIP-4844)
GAS_PER_BLOB = U64(2**17)
BLOB_SCHEDULE_TARGET = U64(6)
TARGET_BLOB_GAS_PER_BLOCK = GAS_PER_BLOB * BLOB_SCHEDULE_TARGET
BLOB_BASE_COST = Uint(2**13)
BLOB_SCHEDULE_MAX = U64(9)
MIN_BLOB_GASPRICE = Uint(1)
BLOB_BASE_FEE_UPDATE_FRACTION = Uint(5007716)
# BLS Signature Operations
GAS_BLS_G1_ADD = Uint(375)
GAS_BLS_G1_MUL = Uint(12000)
GAS_BLS_G1_MAP = Uint(5500)
GAS_BLS_G2_ADD = Uint(600)
GAS_BLS_G2_MUL = Uint(22500)
GAS_BLS_G2_MAP = Uint(23800)
# Advanced Precompiles
GAS_P256VERIFY = Uint(6900)
GAS_POINT_EVALUATION = Uint(50000)
GAS_BLOBHASH_OPCODE = Uint(3)
# Cryptographic Operations
GAS_SHA256 = Uint(60)
GAS_SHA256_WORD = Uint(12)
GAS_RIPEMD160 = Uint(600)
GAS_RIPEMD160_WORD = Uint(120)
GAS_IDENTITY = Uint(15)
GAS_IDENTITY_WORD = Uint(3)
GAS_ECRECOVER = Uint(3000)
# Memory and Execution
GAS_RETURN_DATA_COPY = Uint(3)
GAS_FAST_STEP = Uint(5)
GAS_BLAKE2_PER_ROUND = Uint(1)
GAS_INIT_CODE_WORD_COST = Uint(2)
# Self-Destruct Operations
GAS_SELF_DESTRUCT_NEW_ACCOUNT = Uint(25000)
```
## EEST Specific
```python
# Transaction Data Costs
G_TX_DATA_ZERO: int = 4
G_TX_DATA_NON_ZERO: int = 68
G_TX_DATA_STANDARD_TOKEN_COST: int = 0
G_TX_DATA_FLOOR_TOKEN_COST: int = 0
G_TRANSACTION: int = 21000
G_TRANSACTION_CREATE: int = 32000
# Access List Costs (EIP-2930)
G_ACCESS_LIST_ADDRESS: int = 2400
G_ACCESS_LIST_STORAGE: int = 1900
# Authorization Costs
G_AUTHORIZATION: int = 25000
R_AUTHORIZATION_EXISTING_AUTHORITY: int = 12500
```