Merge pull request #104 from sei-protocol/feature/distribution_stakin…

…g_precompile_updates

Documentation updates for distribution and staking precompiles

pages/dev-interoperability/precompiles/distribution.mdx

@@ -28,6 +28,42 @@ This precompile enables EVM clients to withdraw distributions and staking reward
         string memory validator
     ) external returns (bool success);
   ```
+- `withdrawMultipleDelegationRewards`: Withdraws delegation rewards from the given validators.
+```solidity
+  /// Withdraws delegation rewards from the given validators.
+  /// @param validators The Sei addresses of the validators to withdraw rewards from.
+  /// @return Whether the operation was a success.
+  function withdrawMultipleDelegationRewards(
+        string[] memory validators
+  ) external returns (bool success);
+  ```
+### Queries
+
+- `rewards`: Queries rewards available for a given delegator address.
+```solidity
+  struct Coin {
+      uint256 amount;
+      uint256 decimals;
+      string denom;
+  }
+
+  struct Reward {
+      Coin[] coins;
+      string validator_address;
+  }
+
+  struct Rewards {
+      Reward[] rewards;
+      Coin[] total;
+  }
+  /// Queries rewards available for a given delegator address.
+  /// @param delegatorAddress The x0 or Sei address of the delegator.
+  /// @return the Rewards object. Rewards are usually returned as decimals.
+  /// To calculate the actual amount, divide the amount by decimals.
+  function rewards(
+      address delegatorAddress
+  ) external view returns (Rewards rewards);
+  ```
 
 <Callout type="info">
   View the distribution precompile source code and the contract ABI

pages/dev-interoperability/precompiles/staking.mdx

@@ -47,6 +47,37 @@ This precompile allows EVM contracts to interact with Sei's staking module, enab
   ) external returns (bool success);
   ```
 
+### Queries
+- `delegation`: Queries delegation for a given delegator and validator address
+  ```solidity
+  struct Delegation {
+      Balance balance;
+      DelegationDetails delegation;
+  }
+
+  struct Balance {
+      uint256 amount;
+      string denom;
+  }
+
+  struct DelegationDetails {
+      string delegator_address;
+      uint256 shares;
+      uint256 decimals;
+      string validator_address;
+  }
+
+  /// Queries delegation for a given delegator and validator address.
+  /// @param delegatorAddress The x0 or Sei address of the delegator.
+  /// @param valAddress The Sei address of the validator.
+  /// @return The delegation information. Shares in DelegationDetails are usually returned as decimals.
+  /// To calculate the actual amount, divide the shares by decimals.
+  function delegation(
+      address delegator,
+      string memory valAddress
+  ) external view returns (Delegation delegation);
+  ```
+
 <Callout type="info">
   View the Staking precompile source code and the contract ABI
   [here](https://github.com/sei-protocol/sei-chain/tree/evm/precompiles/staking).