mirror of
https://github.com/Instadapp/dsa-connectors.git
synced 2024-07-29 22:37:00 +00:00
92 lines
2.7 KiB
Solidity
92 lines
2.7 KiB
Solidity
//SPDX-License-Identifier: MIT
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pragma solidity ^0.7.0;
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pragma experimental ABIEncoderV2;
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/**
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* @title DSA Spell.
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* @dev Cast spells on DSA.
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*/
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import { AccountInterface } from "../../common/interfaces.sol";
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import { Stores } from "../../common/stores.sol";
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import { Events } from "./events.sol";
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abstract contract DSASpellsResolver is Events, Stores {
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/**
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*@dev Casts spells on a DSA, caller DSA should be an auth of the target DSA. Reverts if any spell failed.
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*@notice Interact with a target DSA by casting spells on it.
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*@param targetDSA target DSA to cast spells on.
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*@param connectors Array of connector names (For example, ["1INCH-A", "BASIC-A"]).
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*@param datas Array of connector calldatas (function selectors encoded with parameters).
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*/
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function castOnDSA(
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address targetDSA,
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string[] memory connectors,
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bytes[] memory datas
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)
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external
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payable
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returns (string memory _eventName, bytes memory _eventParam)
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{
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require(instaList.accountID(targetDSA) != 0, "not-a-DSA");
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AccountInterface(targetDSA).cast(connectors, datas, address(this));
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_eventName = "LogCastOnDSA(address,string[],bytes[])";
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_eventParam = abi.encode(targetDSA, connectors, datas);
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}
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/**
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*@dev Casts spell on caller DSA. Stops casting further spells as soon as a spell gets casted successfully.
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* Reverts if none of the spells is successful.
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*@notice Casts the first successful spell on the DSA.
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*@param connectors Array of connector names, in preference order, if any (For example, ["1INCH-A", "ZEROX-A"]).
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*@param datas Array of connector calldatas (function selectors encoded with parameters).
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*/
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function castAny(string[] memory connectors, bytes[] memory datas)
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external
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payable
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returns (string memory eventName, bytes memory eventParam)
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{
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uint256 _length = connectors.length;
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require(_length > 0, "zero-length-not-allowed");
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require(datas.length == _length, "calldata-length-invalid");
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(bool isOk, address[] memory _connectors) = instaConnectors
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.isConnectors(connectors);
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require(isOk, "connector-names-invalid");
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string memory _connectorName;
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string memory _eventName;
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bytes memory _eventParam;
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bytes memory returnData;
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bool success;
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for (uint256 i = 0; i < _length; i++) {
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(success, returnData) = _connectors[i].delegatecall(datas[i]);
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if (success) {
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_connectorName = connectors[i];
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(_eventName, _eventParam) = abi.decode(
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returnData,
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(string, bytes)
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);
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break;
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}
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}
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require(success, "dsa-spells-failed");
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eventName = "LogCastAny(string[],string,string,bytes)";
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eventParam = abi.encode(
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connectors,
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_connectorName,
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_eventName,
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_eventParam
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);
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}
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}
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contract ConnectV2DSASpellFantom is DSASpellsResolver {
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string public name = "DSA-Spell-v1.0";
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}
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