## Deployed contracts

| Name                 | Contract          | Address                                                                                                               |
| -------------------- | ----------------- | --------------------------------------------------------------------------------------------------------------------- |
| Staking v2           | st1inch           | [0x9A0C8Ff858d273f57072D714bca7411D717501D7](https://etherscan.io/address/0x9A0C8Ff858d273f57072D714bca7411D717501D7) |
| Staking farm         | StakingFarmingPod | [0x1A87c0F9CCA2f0926A155640e8958a8A6B0260bE](https://etherscan.io/address/0x1A87c0F9CCA2f0926A155640e8958a8A6B0260bE) |
| Settlement           | Settlement        | [0xA88800CD213dA5Ae406ce248380802BD53b47647](https://etherscan.io/address/0xA88800CD213dA5Ae406ce248380802BD53b47647) |
| Delegation pod       | PowerPod          | [0xAccfAc2339e16DC80c50d2fa81b5c2B049B4f947](https://etherscan.io/address/0xAccfAc2339e16DC80c50d2fa81b5c2B049B4f947) |
| Resolver information | ResolverMetadata  | [0xBF4543819ECede56220bcB1e8C1BBa9Ef290a58a](https://etherscan.io/address/0xBF4543819ECede56220bcB1e8C1BBa9Ef290a58a) |
| Whitelist            | WhitelistRegistry | [0xF55684BC536487394B423e70567413faB8e45E26](https://etherscan.io/address/0xF55684BC536487394B423e70567413faB8e45E26) |
| Whitelist info       | WhitelistHelper   | [0xF779bdde38C39138Dcaf1514B8a6b8a6C165642D](https://etherscan.io/address/0xF779bdde38C39138Dcaf1514B8a6b8a6C165642D) |

## Stake 1INCH (relevant only for UP optional strategy)

| Repository       | [limit-order-settlement](https://github.com/1inch/limit-order-settlement/) |
| ---------------- | -------------------------------------------------------------------------- |
| Contract         | st1inch.sol                                                                |
| Contract address | 0x9A0C8Ff858d273f57072D714bca7411D717501D7                                 |
| Methods          | Staking                                                                    |

- deposit(uint256 amount, uint256 duration)
- depositWithPermit(uint256 amount, uint256 duration, bytes calldata permit)
- depositFor(address account, uint256 amount, uint256 duration)
- depositForWithPermit(address account, uint256 amount, uint256 duration, bytes calldata permit) |
  | Description | Stakes 1inch to get staking power according to the lock time |

```javascript
//Deposits 100 1inch with 1 day lock
await st1inch.deposit(ether("100"), time.duration.days("1"));
```

## Register delegation pod (relevant only for UP optional strategy)

| Repository       | [limit-order-settlement](https://github.com/1inch/limit-order-settlement/) |
| ---------------- | -------------------------------------------------------------------------- |
| Contract         | PowerPod.sol                                                               |
| Contract address | 0xAccfAc2339e16DC80c50d2fa81b5c2B049B4f947                                 |
| Methods          | addPod(address pod)                                                        |
| Description      | Register pod usage for the tx sender. Needed for:                          |

- Resolvers to enable resolver’s and delegated staking power usage for whitelisting
- Stakers to enable unicorn power delegation |

```javascript
// register `delegation` pod usage a `resolver`
await st1inch.connect(resolver).addPod(delegation.address);
```

## Register delegation share token (relevant only for UP optional strategy)

| Repository       | [limit-order-settlement](https://github.com/1inch/limit-order-settlement/)                |
| ---------------- | ----------------------------------------------------------------------------------------- |
| Contract         | PowerPod.sol                                                                              |
| Contract address | 0xAccfAc2339e16DC80c50d2fa81b5c2B049B4f947                                                |
| Methods          | register(string memory name, string memory symbol, uint256 maxUserFarms)                  |
| Description      | Creates a resolvers share token to count delegated staked power shares and accrue rewards |

```javascript
// Register resolver's token with name 'resolver token share' and symbol 'RTS'
await delegation.register("resolver token share", "RTS");
```

## Delegate resolver’s staking power to self (relevant only for UP optional strategy)

| Repository       | [limit-order-settlement](https://github.com/1inch/limit-order-settlement/) |
| ---------------- | -------------------------------------------------------------------------- |
| Contract         | PowerPod.sol                                                               |
| Contract address | 0xAccfAc2339e16DC80c50d2fa81b5c2B049B4f947                                 |
| Methods          | delegate(address delegatee)                                                |
| Description      | delegate(address delegatee)                                                |

```javascript
// Delegates all staking power to self
await delegation.connect(resolver).delegate(resolver.address);
```

## Whitelist resolver

| Repository       | [limit-order-settlement](https://github.com/1inch/limit-order-settlement/)                                      |
| ---------------- | --------------------------------------------------------------------------------------------------------------- |
| Contract         | WhitelistRegistry.sol                                                                                           |
| Contract address | 0xF55684BC536487394B423e70567413faB8e45E26                                                                      |
| Methods          | register()                                                                                                      |
| Description      | Checks if sender is eligible to be whitelisted and put it into the whitelist sorted by staking power descending |

```javascript
// Try to put the sender to the whitelist
await whitelist.connect(resolver).register();
```

## FeeBank

| Repository                | [limit-order-settlement](https://github.com/1inch/limit-order-settlement/) |
| ------------------------- | -------------------------------------------------------------------------- |
| Contract                  | FeeBank.sol                                                                |
| Contract address          | 0xa0844e046a5B7Db55Bb8DcdFfbF0bBF9c6dc6546                                 |
| Methods                   |
| - deposit(uint256 amount) |

- depositFor(address account, uint256 amount)
- depositWithPermit(uint256 amount, bytes calldata permit)
- depositForWithPermit |
  | Description | Deposits 1INCH for fee deduction when filling orders |

```javascript
// Deposit fees to fee bank
await feeBank.connect(resolver).deposit(amount);
```

## Resolving

```solidity
struct Order {
        uint256 salt;
        address makerAsset;
        address takerAsset;
        address maker;
        address receiver;
        address allowedSender;  // equals to Zero address on public orders
        uint256 makingAmount;
        uint256 takingAmount;
        uint256 offsets;
        // bytes makerAssetData;
        // bytes takerAssetData;
        // bytes getMakingAmount; // this.staticcall(abi.encodePacked(bytes, swapTakerAmount)) => (swapMakerAmount)
        // bytes getTakingAmount; // this.staticcall(abi.encodePacked(bytes, swapMakerAmount)) => (swapTakerAmount)
        // bytes predicate;       // this.staticcall(bytes) => (bool)
        // bytes permit;          // On first fill: permit.1.call(abi.encodePacked(permit.selector, permit.2))
        // bytes preInteraction;
        // bytes postInteraction;
        bytes interactions; // concat(makerAssetData, takerAssetData, getMakingAmount, getTakingAmount, predicate, permit, preIntercation, postInteraction)
    }
```

| Repository       | [limit-order-settlement](https://github.com/1inch/limit-order-settlement/) |
| ---------------- | -------------------------------------------------------------------------- |
| Contract         | Settlement.sol                                                             |
| Contract address | 0xA88800CD213dA5Ae406ce248380802BD53b47647                                 |
| Methods          | .settleOrders(bytes calldata data)                                         |
| Description      | Settles an order                                                           |