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OVM Compile dump (#120)
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* Linted files

* Revert back to old artifacts structure

* Fixed conflict with smock

* fix dump, add ETH

* lint

* add janky find and replace

* lint

Co-authored-by: Kelvin Fichter <[email protected]>
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K-Ho and smartcontracts authored Dec 11, 2020
1 parent d068cc8 commit 7eb6a1a
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Showing 5 changed files with 164 additions and 7 deletions.
Original file line number Diff line number Diff line change
@@ -0,0 +1,74 @@
// SPDX-License-Identifier: MIT
// +build ovm
pragma solidity >0.6.0 <0.8.0;

/* Interface Imports */
import { iOVM_ERC20 } from "../../iOVM/precompiles/iOVM_ERC20.sol";

/**
* @title OVM_ETH
* @dev L2 CONTRACT (COMPILED)
*/
contract OVM_ETH is iOVM_ERC20 {

uint256 constant private MAX_UINT256 = 2**256 - 1;
mapping (address => uint256) public balances;
mapping (address => mapping (address => uint256)) public allowed;
/*
NOTE:
The following variables are OPTIONAL vanities. One does not have to include them.
They allow one to customise the token contract & in no way influences the core functionality.
Some wallets/interfaces might not even bother to look at this information.
*/
string public name; //fancy name: eg OVM Coin
uint8 public decimals; //How many decimals to show.
string public symbol; //An identifier: eg OVM
uint256 public override totalSupply;

constructor(
uint256 _initialAmount,
string memory _tokenName,
uint8 _decimalUnits,
string memory _tokenSymbol
) public {
balances[msg.sender] = _initialAmount; // Give the creator all initial tokens
totalSupply = _initialAmount; // Update total supply
name = _tokenName; // Set the name for display purposes
decimals = _decimalUnits; // Amount of decimals for display purposes
symbol = _tokenSymbol; // Set the symbol for display purposes
}

function transfer(address _to, uint256 _value) external override returns (bool success) {
require(balances[msg.sender] >= _value);
balances[msg.sender] -= _value;
balances[_to] += _value;
emit Transfer(msg.sender, _to, _value);
return true;
}

function transferFrom(address _from, address _to, uint256 _value) external override returns (bool success) {
uint256 allowance = allowed[_from][msg.sender];
require(balances[_from] >= _value && allowance >= _value);
balances[_to] += _value;
balances[_from] -= _value;
if (allowance < MAX_UINT256) {
allowed[_from][msg.sender] -= _value;
}
emit Transfer(_from, _to, _value);
return true;
}

function balanceOf(address _owner) external view override returns (uint256 balance) {
return balances[_owner];
}

function approve(address _spender, uint256 _value) external override returns (bool success) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}

function allowance(address _owner, address _spender) external view override returns (uint256 remaining) {
return allowed[_owner][_spender];
}
}
Original file line number Diff line number Diff line change
@@ -1,9 +1,9 @@
// SPDX-License-Identifier: MIT
// +build ovm
pragma solidity >0.6.0 <0.8.0;

/* Interface Imports */
import { iOVM_L2ToL1MessagePasser } from "../../iOVM/precompiles/iOVM_L2ToL1MessagePasser.sol";
import { iOVM_ExecutionManager } from "../../iOVM/execution/iOVM_ExecutionManager.sol";

/**
* @title OVM_L2ToL1MessagePasser
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Original file line number Diff line number Diff line change
@@ -0,0 +1,52 @@
// SPDX-License-Identifier: MIT
// +build ovm
pragma solidity >0.6.0 <0.8.0;

/**
* @title iOVM_ERC20
*/
interface iOVM_ERC20 {
/* This is a slight change to the ERC20 base standard.
function totalSupply() constant returns (uint256 supply);
is replaced with:
uint256 public totalSupply;
This automatically creates a getter function for the totalSupply.
This is moved to the base contract since public getter functions are not
currently recognised as an implementation of the matching abstract
function by the compiler.
*/
/// total amount of tokens
function totalSupply() external view returns (uint256);

/// @param _owner The address from which the balance will be retrieved
/// @return balance The balance
function balanceOf(address _owner) external view returns (uint256 balance);

/// @notice send `_value` token to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return success Whether the transfer was successful or not
function transfer(address _to, uint256 _value) external returns (bool success);

/// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`
/// @param _from The address of the sender
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return success Whether the transfer was successful or not
function transferFrom(address _from, address _to, uint256 _value) external returns (bool success);

/// @notice `msg.sender` approves `_spender` to spend `_value` tokens
/// @param _spender The address of the account able to transfer the tokens
/// @param _value The amount of tokens to be approved for transfer
/// @return success Whether the approval was successful or not
function approve(address _spender, uint256 _value) external returns (bool success);

/// @param _owner The address of the account owning tokens
/// @param _spender The address of the account able to transfer the tokens
/// @return remaining Amount of remaining tokens allowed to spent
function allowance(address _owner, address _spender) external view returns (uint256 remaining);

// solhint-disable-next-line no-simple-event-func-name
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
7 changes: 7 additions & 0 deletions packages/contracts/src/contract-deployment/config.ts
Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,9 @@ export interface RollupDeployConfig {
fraudProofWindowSeconds: number
sequencerPublishWindowSeconds: number
}
ethConfig: {
initialAmount: number
}
whitelistConfig: {
owner: string | Signer
allowArbitraryContractDeployment: boolean
Expand Down Expand Up @@ -162,5 +165,9 @@ export const makeContractDeployConfig = async (
OVM_BondManager: {
factory: getContractFactory('mockOVM_BondManager'),
},
OVM_ETH: {
factory: getContractFactory('OVM_ETH'),
params: [config.ethConfig.initialAmount, 'Ether', 18, 'ETH'],
},
}
}
36 changes: 30 additions & 6 deletions packages/contracts/src/contract-dumps.ts
Original file line number Diff line number Diff line change
Expand Up @@ -133,6 +133,9 @@ export const makeStateDump = async (): Promise<any> => {
owner: signer,
allowArbitraryContractDeployment: true,
},
ethConfig: {
initialAmount: 0,
},
dependencies: [
'Lib_AddressManager',
'OVM_DeployerWhitelist',
Expand All @@ -146,6 +149,7 @@ export const makeStateDump = async (): Promise<any> => {
'OVM_SafetyChecker',
'OVM_ExecutionManager',
'OVM_StateManager',
'OVM_ETH',
'mockOVM_ECDSAContractAccount',
],
}
Expand All @@ -157,11 +161,18 @@ export const makeStateDump = async (): Promise<any> => {
OVM_ECDSAContractAccount: '0x4200000000000000000000000000000000000003',
OVM_ProxySequencerEntrypoint: '0x4200000000000000000000000000000000000004',
OVM_SequencerEntrypoint: '0x4200000000000000000000000000000000000005',
//L2 ETH at 0x4200000000000000000000000000000000000006
OVM_ETH: '0x4200000000000000000000000000000000000006',
OVM_L2CrossDomainMessenger: '0x4200000000000000000000000000000000000007',
Lib_AddressManager: '0x4200000000000000000000000000000000000008',
}

const ovmCompiled = [
'OVM_L2ToL1MessagePasser',
'OVM_L2CrossDomainMessenger',
'Lib_AddressManager',
'OVM_ETH',
]

const deploymentResult = await deploy(config)
deploymentResult.contracts['Lib_AddressManager'] =
deploymentResult.AddressManager
Expand All @@ -182,11 +193,24 @@ export const makeStateDump = async (): Promise<any> => {
for (let i = 0; i < Object.keys(deploymentResult.contracts).length; i++) {
const name = Object.keys(deploymentResult.contracts)[i]
const contract = deploymentResult.contracts[name]

const codeBuf = await pStateManager.getContractCode(
fromHexString(contract.address)
)
const code = toHexString(codeBuf)
let code
if (ovmCompiled.includes(name)) {
const ovmDeployedBytecode = getContractDefinition(name, true)
.deployedBytecode
// TODO remove: deployedBytecode is missing the find and replace in solidity
code = ovmDeployedBytecode
.split(
'336000905af158601d01573d60011458600c01573d6000803e3d621234565260ea61109c52'
)
.join(
'336000905af158600e01573d6000803e3d6000fd5b3d6001141558600a015760016000f35b'
)
} else {
const codeBuf = await pStateManager.getContractCode(
fromHexString(contract.address)
)
code = toHexString(codeBuf)
}

const deadAddress =
precompiles[name] ||
Expand Down

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