make eip1559 parameters uint32 everywhere (#422)

specs/protocol/holocene/system-config.md

@@ -30,7 +30,7 @@ The following `ConfigUpdate` event is defined where the `CONFIG_VERSION` is `uin
 | `FEE_SCALARS` | `uint8(1)` | `(uint256(0x01) << 248) \| (uint256(_blobbasefeeScalar) << 32) \| _basefeeScalar` | Modifies the fee scalars |
 | `GAS_LIMIT` | `uint8(2)` | `abi.encode(uint64 _gasLimit)` | Modifies the L2 gas limit |
 | `UNSAFE_BLOCK_SIGNER` | `uint8(3)` | `abi.encode(address)` | Modifies the account that is authorized to progress the unsafe chain |
-| `EIP_1559_PARAMS` | `uint8(4)` | `uint256(uint64(uint32(_denominator))) << 32 \| uint64(uint32(_elasticity))` | Modifies the EIP-1559 denominator and elasticity |
+| `EIP_1559_PARAMS` | `uint8(4)` | `(uint256(_denominator) << 32) \| _elasticity` | Modifies the EIP-1559 denominator and elasticity |
 
 ### Initialization
 
@@ -68,13 +68,13 @@ It is possible for the chain operator to set EIP-1559 parameters that result in
 This function returns the currently configured EIP-1559 elasticity.
 
 ```solidity
-function eip1559Elasticity()(uint64)
+function eip1559Elasticity()(uint32)
 ```
 
 ##### `eip1559Denominator`
 
 This function returns the currently configured EIP-1559 denominator.
 
 ```solidity
-function eip1559Denominator()(uint64)
+function eip1559Denominator()(uint32)
 ```