-
Notifications
You must be signed in to change notification settings - Fork 226
/
HomeBridgeNativeToErc.sol
164 lines (149 loc) · 6.67 KB
/
HomeBridgeNativeToErc.sol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
pragma solidity 0.4.24;
import "../../libraries/Message.sol";
import "../../upgradeability/EternalStorage.sol";
import "../BasicHomeBridge.sol";
import "./RewardableHomeBridgeNativeToErc.sol";
import "../Sacrifice.sol";
contract HomeBridgeNativeToErc is EternalStorage, BasicHomeBridge, RewardableHomeBridgeNativeToErc {
function() public payable {
require(msg.data.length == 0);
nativeTransfer(msg.sender);
}
function nativeTransfer(address _receiver) internal {
require(msg.value > 0);
require(withinLimit(msg.value));
setTotalSpentPerDay(getCurrentDay(), totalSpentPerDay(getCurrentDay()).add(msg.value));
uint256 valueToTransfer = msg.value;
address feeManager = feeManagerContract();
if (feeManager != address(0)) {
uint256 fee = calculateFee(valueToTransfer, false, feeManager, HOME_FEE);
valueToTransfer = valueToTransfer.sub(fee);
}
emit UserRequestForSignature(_receiver, valueToTransfer);
}
function relayTokens(address _receiver) external payable {
nativeTransfer(_receiver);
}
function initialize(
address _validatorContract,
uint256[] _dailyLimitMaxPerTxMinPerTxArray, // [ 0 = _dailyLimit, 1 = _maxPerTx, 2 = _minPerTx ]
uint256 _homeGasPrice,
uint256 _requiredBlockConfirmations,
uint256[] _foreignDailyLimitForeignMaxPerTxArray, // [ 0 = _foreignDailyLimit, 1 = _foreignMaxPerTx ]
address _owner,
uint256 _decimalShift
) external returns (bool) {
_initialize(
_validatorContract,
_dailyLimitMaxPerTxMinPerTxArray,
_homeGasPrice,
_requiredBlockConfirmations,
_foreignDailyLimitForeignMaxPerTxArray,
_owner,
_decimalShift
);
setInitialize();
return isInitialized();
}
function rewardableInitialize(
address _validatorContract,
uint256[] _dailyLimitMaxPerTxMinPerTxArray, // [ 0 = _dailyLimit, 1 = _maxPerTx, 2 = _minPerTx ]
uint256 _homeGasPrice,
uint256 _requiredBlockConfirmations,
uint256[] _foreignDailyLimitForeignMaxPerTxArray, // [ 0 = _foreignDailyLimit, 1 = _foreignMaxPerTx ]
address _owner,
address _feeManager,
uint256[] _homeFeeForeignFeeArray, // [ 0 = _homeFee, 1 = _foreignFee ]
uint256 _decimalShift
) external returns (bool) {
_initialize(
_validatorContract,
_dailyLimitMaxPerTxMinPerTxArray,
_homeGasPrice,
_requiredBlockConfirmations,
_foreignDailyLimitForeignMaxPerTxArray,
_owner,
_decimalShift
);
require(AddressUtils.isContract(_feeManager));
addressStorage[FEE_MANAGER_CONTRACT] = _feeManager;
_setFee(_feeManager, _homeFeeForeignFeeArray[0], HOME_FEE);
_setFee(_feeManager, _homeFeeForeignFeeArray[1], FOREIGN_FEE);
setInitialize();
return isInitialized();
}
function getBridgeMode() external pure returns (bytes4 _data) {
return 0x92a8d7fe; // bytes4(keccak256(abi.encodePacked("native-to-erc-core")))
}
function _initialize(
address _validatorContract,
uint256[] _dailyLimitMaxPerTxMinPerTxArray, // [ 0 = _dailyLimit, 1 = _maxPerTx, 2 = _minPerTx ]
uint256 _homeGasPrice,
uint256 _requiredBlockConfirmations,
uint256[] _foreignDailyLimitForeignMaxPerTxArray, // [ 0 = _foreignDailyLimit, 1 = _foreignMaxPerTx ]
address _owner,
uint256 _decimalShift
) internal {
require(!isInitialized());
require(AddressUtils.isContract(_validatorContract));
require(_homeGasPrice > 0);
require(_requiredBlockConfirmations > 0);
require(
_dailyLimitMaxPerTxMinPerTxArray[2] > 0 && // _minPerTx > 0
_dailyLimitMaxPerTxMinPerTxArray[1] > _dailyLimitMaxPerTxMinPerTxArray[2] && // _maxPerTx > _minPerTx
_dailyLimitMaxPerTxMinPerTxArray[0] > _dailyLimitMaxPerTxMinPerTxArray[1] // _dailyLimit > _maxPerTx
);
require(_foreignDailyLimitForeignMaxPerTxArray[1] < _foreignDailyLimitForeignMaxPerTxArray[0]); // _foreignMaxPerTx < _foreignDailyLimit
require(_owner != address(0));
addressStorage[VALIDATOR_CONTRACT] = _validatorContract;
uintStorage[DEPLOYED_AT_BLOCK] = block.number;
uintStorage[DAILY_LIMIT] = _dailyLimitMaxPerTxMinPerTxArray[0];
uintStorage[MAX_PER_TX] = _dailyLimitMaxPerTxMinPerTxArray[1];
uintStorage[MIN_PER_TX] = _dailyLimitMaxPerTxMinPerTxArray[2];
uintStorage[GAS_PRICE] = _homeGasPrice;
uintStorage[REQUIRED_BLOCK_CONFIRMATIONS] = _requiredBlockConfirmations;
uintStorage[EXECUTION_DAILY_LIMIT] = _foreignDailyLimitForeignMaxPerTxArray[0];
uintStorage[EXECUTION_MAX_PER_TX] = _foreignDailyLimitForeignMaxPerTxArray[1];
uintStorage[DECIMAL_SHIFT] = _decimalShift;
setOwner(_owner);
emit RequiredBlockConfirmationChanged(_requiredBlockConfirmations);
emit GasPriceChanged(_homeGasPrice);
emit DailyLimitChanged(_dailyLimitMaxPerTxMinPerTxArray[0]);
emit ExecutionDailyLimitChanged(_foreignDailyLimitForeignMaxPerTxArray[0]);
}
function onSignaturesCollected(bytes _message) internal {
address feeManager = feeManagerContract();
if (feeManager != address(0)) {
address recipient;
uint256 amount;
bytes32 txHash;
address contractAddress;
(recipient, amount, txHash, contractAddress) = Message.parseMessage(_message);
uint256 fee = calculateFee(amount, true, feeManager, HOME_FEE);
if (fee != 0) {
distributeFeeFromSignatures(fee, feeManager, txHash);
}
}
}
function onExecuteAffirmation(address _recipient, uint256 _value, bytes32 txHash) internal returns (bool) {
setTotalExecutedPerDay(getCurrentDay(), totalExecutedPerDay(getCurrentDay()).add(_value));
uint256 valueToTransfer = _value.mul(10**decimalShift());
address feeManager = feeManagerContract();
if (feeManager != address(0)) {
uint256 fee = calculateFee(valueToTransfer, false, feeManager, FOREIGN_FEE);
distributeFeeFromAffirmation(fee, feeManager, txHash);
valueToTransfer = valueToTransfer.sub(fee);
}
if (!_recipient.send(valueToTransfer)) {
(new Sacrifice).value(valueToTransfer)(_recipient);
}
return true;
}
function onFailedAffirmation(
address, /*_recipient*/
uint256, /*_value*/
bytes32 /*_txHash*/
) internal {
revert();
}
}