flashloan-rs 0.2.0

Minimal Multicall3 Flashloan Module
Documentation 
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/// @title Ternary
/// @notice SPDX-License-Identifier: MIT
/// @author asnared <https://github.com/abigger87>
/// @notice A collection of ternary operators with abstracted conditional logic


/// @notice Not Ternary
/// @notice In shorthand, this is `!condition ? x : y`, where the input stack is [!condition, x, y]
#define macro NOT_TERNARY() = takes(3) returns(1) {
    // Input Stack: [!condition, x, y]
    // Output Stack: [!condition ? x : y]

    // If the condition is true, jump and pop
    __Utils_Misc__ternaryNoSwap jumpi
        swap1
    __Utils_Misc__ternaryNoSwap:
        pop
}

/// @notice Ternary
/// @notice In shorthand, this is `condition ? x : y`, where the input stack is [condition, x, y]
#define macro TERNARY() = takes(3) returns(1) {
    // Input Stack: [condition, x, y]
    // Output Stack: [condition ? x : y]

    // If the condition is false, jump and pop
    __Utils_Misc__ternaryNoSwap iszero jumpi
        swap1
    __Utils_Misc__ternaryNoSwap:
        pop
}

// TESTS

/// @notice Tests the NOT_TERNARY() macro
#define test TEST_NOT_TERNARY() = {
    // Test false should return the first element
    0x00 0x01 0x02 NOT_TERNARY()
    0x01 eq worked jumpi
        0x00 0x00 revert
    worked:

    // Test true should return the second element
    0x01 0x01 0x02 NOT_TERNARY()
    0x02 eq worked_again jumpi
        0x00 0x00 revert
    worked_again:
}

/// @notice Tests the TERNARY() macro
#define test TEST_TERNARY() = {
    // Test true should return the first element
    0x01 0x01 0x02 NOT_TERNARY()
    0x01 eq worked jumpi
        0x00 0x00 revert
    worked:

    // Test false should return the second element
    0x00 0x01 0x02 NOT_TERNARY()
    0x02 eq worked_again jumpi
        0x00 0x00 revert
    worked_again:
}