flashloan-rs 0.2.1

Minimal Multicall3 Flashloan Module
Documentation 
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/// @title ERC1967 Proxy
/// @notice SPDX-License-Identifier: MIT
/// @author asnared <https://github.com/abigger87>
/// @notice An upgradeable proxy that uses the ERC1967 storage layout.
/// @notice Adapted from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/proxy/ERC1967/ERC1967Proxy.sol)

#include "./Proxy.huff"
#include "./ERC1967Upgrade.huff"

/// @notice An internal constructor that upgrades the proxy to the implementation and calls the implementation
#define macro ERC1967_PROXY_CONSTRUCTOR() = takes (0) returns (0) {
    0x00                        // [forceCall]
    0x24 calldataload           // [data, forceCall]
    0x04 calldataload           // [address, data, forceCall]
    UPGRADE_TO_AND_CALL()       // []
}

/// @notice Returns the current implementation address
/// @notice Overrideable
#define macro IMPLEMENTATION() = takes (0) returns (1) {
    GET_IMPLEMENTATION()
}