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Overview
TokenID
30
Total Transfers
-
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract
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| # | Exchange | Pair | Price | 24H Volume | % Volume |
|---|
Contract Name:
MiladyStationRejects
Compiler Version
v0.8.18+commit.87f61d96
Contract Source Code (Solidity)
/**
*Submitted for verification at Etherscan.io on 2023-05-15
*/
// File: solady/utils/LibString.sol
pragma solidity ^0.8.4;
/// @notice Library for converting numbers into strings and other string operations.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/LibString.sol)
/// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/LibString.sol)
library LibString {
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* CUSTOM ERRORS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The `length` of the output is too small to contain all the hex digits.
error HexLengthInsufficient();
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* CONSTANTS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The constant returned when the `search` is not found in the string.
uint256 internal constant NOT_FOUND = type(uint256).max;
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* DECIMAL OPERATIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Returns the base 10 decimal representation of `value`.
function toString(uint256 value) internal pure returns (string memory str) {
/// @solidity memory-safe-assembly
assembly {
// The maximum value of a uint256 contains 78 digits (1 byte per digit), but
// we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned.
// We will need 1 word for the trailing zeros padding, 1 word for the length,
// and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0.
let m := add(mload(0x40), 0xa0)
// Update the free memory pointer to allocate.
mstore(0x40, m)
// Assign the `str` to the end.
str := sub(m, 0x20)
// Zeroize the slot after the string.
mstore(str, 0)
// Cache the end of the memory to calculate the length later.
let end := str
// We write the string from rightmost digit to leftmost digit.
// The following is essentially a do-while loop that also handles the zero case.
for { let temp := value } 1 {} {
str := sub(str, 1)
// Write the character to the pointer.
// The ASCII index of the '0' character is 48.
mstore8(str, add(48, mod(temp, 10)))
// Keep dividing `temp` until zero.
temp := div(temp, 10)
if iszero(temp) { break }
}
let length := sub(end, str)
// Move the pointer 32 bytes leftwards to make room for the length.
str := sub(str, 0x20)
// Store the length.
mstore(str, length)
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* HEXADECIMAL OPERATIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Returns the hexadecimal representation of `value`,
/// left-padded to an input length of `length` bytes.
/// The output is prefixed with "0x" encoded using 2 hexadecimal digits per byte,
/// giving a total length of `length * 2 + 2` bytes.
/// Reverts if `length` is too small for the output to contain all the digits.
function toHexString(uint256 value, uint256 length) internal pure returns (string memory str) {
str = toHexStringNoPrefix(value, length);
/// @solidity memory-safe-assembly
assembly {
let strLength := add(mload(str), 2) // Compute the length.
mstore(str, 0x3078) // Write the "0x" prefix.
str := sub(str, 2) // Move the pointer.
mstore(str, strLength) // Write the length.
}
}
/// @dev Returns the hexadecimal representation of `value`,
/// left-padded to an input length of `length` bytes.
/// The output is prefixed with "0x" encoded using 2 hexadecimal digits per byte,
/// giving a total length of `length * 2` bytes.
/// Reverts if `length` is too small for the output to contain all the digits.
function toHexStringNoPrefix(uint256 value, uint256 length)
internal
pure
returns (string memory str)
{
/// @solidity memory-safe-assembly
assembly {
let start := mload(0x40)
// We need 0x20 bytes for the trailing zeros padding, `length * 2` bytes
// for the digits, 0x02 bytes for the prefix, and 0x20 bytes for the length.
// We add 0x20 to the total and round down to a multiple of 0x20.
// (0x20 + 0x20 + 0x02 + 0x20) = 0x62.
let m := add(start, and(add(shl(1, length), 0x62), not(0x1f)))
// Allocate the memory.
mstore(0x40, m)
// Assign the `str` to the end.
str := sub(m, 0x20)
// Zeroize the slot after the string.
mstore(str, 0)
// Cache the end to calculate the length later.
let end := str
// Store "0123456789abcdef" in scratch space.
mstore(0x0f, 0x30313233343536373839616263646566)
let temp := value
// We write the string from rightmost digit to leftmost digit.
// The following is essentially a do-while loop that also handles the zero case.
for {} 1 {} {
str := sub(str, 2)
mstore8(add(str, 1), mload(and(temp, 15)))
mstore8(str, mload(and(shr(4, temp), 15)))
temp := shr(8, temp)
length := sub(length, 1)
if iszero(length) { break }
}
if temp {
// Store the function selector of `HexLengthInsufficient()`.
mstore(0x00, 0x2194895a)
// Revert with (offset, size).
revert(0x1c, 0x04)
}
// Compute the string's length.
let strLength := sub(end, str)
// Move the pointer and write the length.
str := sub(str, 0x20)
mstore(str, strLength)
}
}
/// @dev Returns the hexadecimal representation of `value`.
/// The output is prefixed with "0x" and encoded using 2 hexadecimal digits per byte.
/// As address are 20 bytes long, the output will left-padded to have
/// a length of `20 * 2 + 2` bytes.
function toHexString(uint256 value) internal pure returns (string memory str) {
str = toHexStringNoPrefix(value);
/// @solidity memory-safe-assembly
assembly {
let strLength := add(mload(str), 2) // Compute the length.
mstore(str, 0x3078) // Write the "0x" prefix.
str := sub(str, 2) // Move the pointer.
mstore(str, strLength) // Write the length.
}
}
/// @dev Returns the hexadecimal representation of `value`.
/// The output is encoded using 2 hexadecimal digits per byte.
/// As address are 20 bytes long, the output will left-padded to have
/// a length of `20 * 2` bytes.
function toHexStringNoPrefix(uint256 value) internal pure returns (string memory str) {
/// @solidity memory-safe-assembly
assembly {
let start := mload(0x40)
// We need 0x20 bytes for the trailing zeros padding, 0x20 bytes for the length,
// 0x02 bytes for the prefix, and 0x40 bytes for the digits.
// The next multiple of 0x20 above (0x20 + 0x20 + 0x02 + 0x40) is 0xa0.
let m := add(start, 0xa0)
// Allocate the memory.
mstore(0x40, m)
// Assign the `str` to the end.
str := sub(m, 0x20)
// Zeroize the slot after the string.
mstore(str, 0)
// Cache the end to calculate the length later.
let end := str
// Store "0123456789abcdef" in scratch space.
mstore(0x0f, 0x30313233343536373839616263646566)
// We write the string from rightmost digit to leftmost digit.
// The following is essentially a do-while loop that also handles the zero case.
for { let temp := value } 1 {} {
str := sub(str, 2)
mstore8(add(str, 1), mload(and(temp, 15)))
mstore8(str, mload(and(shr(4, temp), 15)))
temp := shr(8, temp)
if iszero(temp) { break }
}
// Compute the string's length.
let strLength := sub(end, str)
// Move the pointer and write the length.
str := sub(str, 0x20)
mstore(str, strLength)
}
}
/// @dev Returns the hexadecimal representation of `value`.
/// The output is prefixed with "0x", encoded using 2 hexadecimal digits per byte,
/// and the alphabets are capitalized conditionally according to
/// https://eips.ethereum.org/EIPS/eip-55
function toHexStringChecksumed(address value) internal pure returns (string memory str) {
str = toHexString(value);
/// @solidity memory-safe-assembly
assembly {
let mask := shl(6, div(not(0), 255)) // `0b010000000100000000 ...`
let o := add(str, 0x22)
let hashed := and(keccak256(o, 40), mul(34, mask)) // `0b10001000 ... `
let t := shl(240, 136) // `0b10001000 << 240`
for { let i := 0 } 1 {} {
mstore(add(i, i), mul(t, byte(i, hashed)))
i := add(i, 1)
if eq(i, 20) { break }
}
mstore(o, xor(mload(o), shr(1, and(mload(0x00), and(mload(o), mask)))))
o := add(o, 0x20)
mstore(o, xor(mload(o), shr(1, and(mload(0x20), and(mload(o), mask)))))
}
}
/// @dev Returns the hexadecimal representation of `value`.
/// The output is prefixed with "0x" and encoded using 2 hexadecimal digits per byte.
function toHexString(address value) internal pure returns (string memory str) {
str = toHexStringNoPrefix(value);
/// @solidity memory-safe-assembly
assembly {
let strLength := add(mload(str), 2) // Compute the length.
mstore(str, 0x3078) // Write the "0x" prefix.
str := sub(str, 2) // Move the pointer.
mstore(str, strLength) // Write the length.
}
}
/// @dev Returns the hexadecimal representation of `value`.
/// The output is encoded using 2 hexadecimal digits per byte.
function toHexStringNoPrefix(address value) internal pure returns (string memory str) {
/// @solidity memory-safe-assembly
assembly {
str := mload(0x40)
// Allocate the memory.
// We need 0x20 bytes for the trailing zeros padding, 0x20 bytes for the length,
// 0x02 bytes for the prefix, and 0x28 bytes for the digits.
// The next multiple of 0x20 above (0x20 + 0x20 + 0x02 + 0x28) is 0x80.
mstore(0x40, add(str, 0x80))
// Store "0123456789abcdef" in scratch space.
mstore(0x0f, 0x30313233343536373839616263646566)
str := add(str, 2)
mstore(str, 40)
let o := add(str, 0x20)
mstore(add(o, 40), 0)
value := shl(96, value)
// We write the string from rightmost digit to leftmost digit.
// The following is essentially a do-while loop that also handles the zero case.
for { let i := 0 } 1 {} {
let p := add(o, add(i, i))
let temp := byte(i, value)
mstore8(add(p, 1), mload(and(temp, 15)))
mstore8(p, mload(shr(4, temp)))
i := add(i, 1)
if eq(i, 20) { break }
}
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* RUNE STRING OPERATIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Returns the number of UTF characters in the string.
function runeCount(string memory s) internal pure returns (uint256 result) {
/// @solidity memory-safe-assembly
assembly {
if mload(s) {
mstore(0x00, div(not(0), 255))
mstore(0x20, 0x0202020202020202020202020202020202020202020202020303030304040506)
let o := add(s, 0x20)
let end := add(o, mload(s))
for { result := 1 } 1 { result := add(result, 1) } {
o := add(o, byte(0, mload(shr(250, mload(o)))))
if iszero(lt(o, end)) { break }
}
}
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* BYTE STRING OPERATIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
// For performance and bytecode compactness, all indices of the following operations
// are byte (ASCII) offsets, not UTF character offsets.
/// @dev Returns `subject` all occurrences of `search` replaced with `replacement`.
function replace(string memory subject, string memory search, string memory replacement)
internal
pure
returns (string memory result)
{
/// @solidity memory-safe-assembly
assembly {
let subjectLength := mload(subject)
let searchLength := mload(search)
let replacementLength := mload(replacement)
subject := add(subject, 0x20)
search := add(search, 0x20)
replacement := add(replacement, 0x20)
result := add(mload(0x40), 0x20)
let subjectEnd := add(subject, subjectLength)
if iszero(gt(searchLength, subjectLength)) {
let subjectSearchEnd := add(sub(subjectEnd, searchLength), 1)
let h := 0
if iszero(lt(searchLength, 32)) { h := keccak256(search, searchLength) }
let m := shl(3, sub(32, and(searchLength, 31)))
let s := mload(search)
for {} 1 {} {
let t := mload(subject)
// Whether the first `searchLength % 32` bytes of
// `subject` and `search` matches.
if iszero(shr(m, xor(t, s))) {
if h {
if iszero(eq(keccak256(subject, searchLength), h)) {
mstore(result, t)
result := add(result, 1)
subject := add(subject, 1)
if iszero(lt(subject, subjectSearchEnd)) { break }
continue
}
}
// Copy the `replacement` one word at a time.
for { let o := 0 } 1 {} {
mstore(add(result, o), mload(add(replacement, o)))
o := add(o, 0x20)
if iszero(lt(o, replacementLength)) { break }
}
result := add(result, replacementLength)
subject := add(subject, searchLength)
if searchLength {
if iszero(lt(subject, subjectSearchEnd)) { break }
continue
}
}
mstore(result, t)
result := add(result, 1)
subject := add(subject, 1)
if iszero(lt(subject, subjectSearchEnd)) { break }
}
}
let resultRemainder := result
result := add(mload(0x40), 0x20)
let k := add(sub(resultRemainder, result), sub(subjectEnd, subject))
// Copy the rest of the string one word at a time.
for {} lt(subject, subjectEnd) {} {
mstore(resultRemainder, mload(subject))
resultRemainder := add(resultRemainder, 0x20)
subject := add(subject, 0x20)
}
result := sub(result, 0x20)
// Zeroize the slot after the string.
let last := add(add(result, 0x20), k)
mstore(last, 0)
// Allocate memory for the length and the bytes,
// rounded up to a multiple of 32.
mstore(0x40, and(add(last, 31), not(31)))
// Store the length of the result.
mstore(result, k)
}
}
/// @dev Returns the byte index of the first location of `search` in `subject`,
/// searching from left to right, starting from `from`.
/// Returns `NOT_FOUND` (i.e. `type(uint256).max`) if the `search` is not found.
function indexOf(string memory subject, string memory search, uint256 from)
internal
pure
returns (uint256 result)
{
/// @solidity memory-safe-assembly
assembly {
for { let subjectLength := mload(subject) } 1 {} {
if iszero(mload(search)) {
// `result = min(from, subjectLength)`.
result := xor(from, mul(xor(from, subjectLength), lt(subjectLength, from)))
break
}
let searchLength := mload(search)
let subjectStart := add(subject, 0x20)
result := not(0) // Initialize to `NOT_FOUND`.
subject := add(subjectStart, from)
let subjectSearchEnd := add(sub(add(subjectStart, subjectLength), searchLength), 1)
let m := shl(3, sub(32, and(searchLength, 31)))
let s := mload(add(search, 0x20))
if iszero(lt(subject, subjectSearchEnd)) { break }
if iszero(lt(searchLength, 32)) {
for { let h := keccak256(add(search, 0x20), searchLength) } 1 {} {
if iszero(shr(m, xor(mload(subject), s))) {
if eq(keccak256(subject, searchLength), h) {
result := sub(subject, subjectStart)
break
}
}
subject := add(subject, 1)
if iszero(lt(subject, subjectSearchEnd)) { break }
}
break
}
for {} 1 {} {
if iszero(shr(m, xor(mload(subject), s))) {
result := sub(subject, subjectStart)
break
}
subject := add(subject, 1)
if iszero(lt(subject, subjectSearchEnd)) { break }
}
break
}
}
}
/// @dev Returns the byte index of the first location of `search` in `subject`,
/// searching from left to right.
/// Returns `NOT_FOUND` (i.e. `type(uint256).max`) if the `search` is not found.
function indexOf(string memory subject, string memory search)
internal
pure
returns (uint256 result)
{
result = indexOf(subject, search, 0);
}
/// @dev Returns the byte index of the first location of `search` in `subject`,
/// searching from right to left, starting from `from`.
/// Returns `NOT_FOUND` (i.e. `type(uint256).max`) if the `search` is not found.
function lastIndexOf(string memory subject, string memory search, uint256 from)
internal
pure
returns (uint256 result)
{
/// @solidity memory-safe-assembly
assembly {
for {} 1 {} {
let searchLength := mload(search)
let fromMax := sub(mload(subject), searchLength)
if iszero(gt(fromMax, from)) { from := fromMax }
if iszero(mload(search)) {
result := from
break
}
result := not(0) // Initialize to `NOT_FOUND`.
let subjectSearchEnd := sub(add(subject, 0x20), 1)
subject := add(add(subject, 0x20), from)
if iszero(gt(subject, subjectSearchEnd)) { break }
// As this function is not too often used,
// we shall simply use keccak256 for smaller bytecode size.
for { let h := keccak256(add(search, 0x20), searchLength) } 1 {} {
if eq(keccak256(subject, searchLength), h) {
result := sub(subject, add(subjectSearchEnd, 1))
break
}
subject := sub(subject, 1)
if iszero(gt(subject, subjectSearchEnd)) { break }
}
break
}
}
}
/// @dev Returns the byte index of the first location of `search` in `subject`,
/// searching from right to left.
/// Returns `NOT_FOUND` (i.e. `type(uint256).max`) if the `search` is not found.
function lastIndexOf(string memory subject, string memory search)
internal
pure
returns (uint256 result)
{
result = lastIndexOf(subject, search, uint256(int256(-1)));
}
/// @dev Returns whether `subject` starts with `search`.
function startsWith(string memory subject, string memory search)
internal
pure
returns (bool result)
{
/// @solidity memory-safe-assembly
assembly {
let searchLength := mload(search)
// Just using keccak256 directly is actually cheaper.
// forgefmt: disable-next-item
result := and(
iszero(gt(searchLength, mload(subject))),
eq(
keccak256(add(subject, 0x20), searchLength),
keccak256(add(search, 0x20), searchLength)
)
)
}
}
/// @dev Returns whether `subject` ends with `search`.
function endsWith(string memory subject, string memory search)
internal
pure
returns (bool result)
{
/// @solidity memory-safe-assembly
assembly {
let searchLength := mload(search)
let subjectLength := mload(subject)
// Whether `search` is not longer than `subject`.
let withinRange := iszero(gt(searchLength, subjectLength))
// Just using keccak256 directly is actually cheaper.
// forgefmt: disable-next-item
result := and(
withinRange,
eq(
keccak256(
// `subject + 0x20 + max(subjectLength - searchLength, 0)`.
add(add(subject, 0x20), mul(withinRange, sub(subjectLength, searchLength))),
searchLength
),
keccak256(add(search, 0x20), searchLength)
)
)
}
}
/// @dev Returns `subject` repeated `times`.
function repeat(string memory subject, uint256 times)
internal
pure
returns (string memory result)
{
/// @solidity memory-safe-assembly
assembly {
let subjectLength := mload(subject)
if iszero(or(iszero(times), iszero(subjectLength))) {
subject := add(subject, 0x20)
result := mload(0x40)
let output := add(result, 0x20)
for {} 1 {} {
// Copy the `subject` one word at a time.
for { let o := 0 } 1 {} {
mstore(add(output, o), mload(add(subject, o)))
o := add(o, 0x20)
if iszero(lt(o, subjectLength)) { break }
}
output := add(output, subjectLength)
times := sub(times, 1)
if iszero(times) { break }
}
// Zeroize the slot after the string.
mstore(output, 0)
// Store the length.
let resultLength := sub(output, add(result, 0x20))
mstore(result, resultLength)
// Allocate memory for the length and the bytes,
// rounded up to a multiple of 32.
mstore(0x40, add(result, and(add(resultLength, 63), not(31))))
}
}
}
/// @dev Returns a copy of `subject` sliced from `start` to `end` (exclusive).
/// `start` and `end` are byte offsets.
function slice(string memory subject, uint256 start, uint256 end)
internal
pure
returns (string memory result)
{
/// @solidity memory-safe-assembly
assembly {
let subjectLength := mload(subject)
if iszero(gt(subjectLength, end)) { end := subjectLength }
if iszero(gt(subjectLength, start)) { start := subjectLength }
if lt(start, end) {
result := mload(0x40)
let resultLength := sub(end, start)
mstore(result, resultLength)
subject := add(subject, start)
let w := not(31)
// Copy the `subject` one word at a time, backwards.
for { let o := and(add(resultLength, 31), w) } 1 {} {
mstore(add(result, o), mload(add(subject, o)))
o := add(o, w) // `sub(o, 0x20)`.
if iszero(o) { break }
}
// Zeroize the slot after the string.
mstore(add(add(result, 0x20), resultLength), 0)
// Allocate memory for the length and the bytes,
// rounded up to a multiple of 32.
mstore(0x40, add(result, and(add(resultLength, 63), w)))
}
}
}
/// @dev Returns a copy of `subject` sliced from `start` to the end of the string.
/// `start` is a byte offset.
function slice(string memory subject, uint256 start)
internal
pure
returns (string memory result)
{
result = slice(subject, start, uint256(int256(-1)));
}
/// @dev Returns all the indices of `search` in `subject`.
/// The indices are byte offsets.
function indicesOf(string memory subject, string memory search)
internal
pure
returns (uint256[] memory result)
{
/// @solidity memory-safe-assembly
assembly {
let subjectLength := mload(subject)
let searchLength := mload(search)
if iszero(gt(searchLength, subjectLength)) {
subject := add(subject, 0x20)
search := add(search, 0x20)
result := add(mload(0x40), 0x20)
let subjectStart := subject
let subjectSearchEnd := add(sub(add(subject, subjectLength), searchLength), 1)
let h := 0
if iszero(lt(searchLength, 32)) { h := keccak256(search, searchLength) }
let m := shl(3, sub(32, and(searchLength, 31)))
let s := mload(search)
for {} 1 {} {
let t := mload(subject)
// Whether the first `searchLength % 32` bytes of
// `subject` and `search` matches.
if iszero(shr(m, xor(t, s))) {
if h {
if iszero(eq(keccak256(subject, searchLength), h)) {
subject := add(subject, 1)
if iszero(lt(subject, subjectSearchEnd)) { break }
continue
}
}
// Append to `result`.
mstore(result, sub(subject, subjectStart))
result := add(result, 0x20)
// Advance `subject` by `searchLength`.
subject := add(subject, searchLength)
if searchLength {
if iszero(lt(subject, subjectSearchEnd)) { break }
continue
}
}
subject := add(subject, 1)
if iszero(lt(subject, subjectSearchEnd)) { break }
}
let resultEnd := result
// Assign `result` to the free memory pointer.
result := mload(0x40)
// Store the length of `result`.
mstore(result, shr(5, sub(resultEnd, add(result, 0x20))))
// Allocate memory for result.
// We allocate one more word, so this array can be recycled for {split}.
mstore(0x40, add(resultEnd, 0x20))
}
}
}
/// @dev Returns a arrays of strings based on the `delimiter` inside of the `subject` string.
function split(string memory subject, string memory delimiter)
internal
pure
returns (string[] memory result)
{
uint256[] memory indices = indicesOf(subject, delimiter);
/// @solidity memory-safe-assembly
assembly {
let w := not(31)
let indexPtr := add(indices, 0x20)
let indicesEnd := add(indexPtr, shl(5, add(mload(indices), 1)))
mstore(add(indicesEnd, w), mload(subject))
mstore(indices, add(mload(indices), 1))
let prevIndex := 0
for {} 1 {} {
let index := mload(indexPtr)
mstore(indexPtr, 0x60)
if iszero(eq(index, prevIndex)) {
let element := mload(0x40)
let elementLength := sub(index, prevIndex)
mstore(element, elementLength)
// Copy the `subject` one word at a time, backwards.
for { let o := and(add(elementLength, 31), w) } 1 {} {
mstore(add(element, o), mload(add(add(subject, prevIndex), o)))
o := add(o, w) // `sub(o, 0x20)`.
if iszero(o) { break }
}
// Zeroize the slot after the string.
mstore(add(add(element, 0x20), elementLength), 0)
// Allocate memory for the length and the bytes,
// rounded up to a multiple of 32.
mstore(0x40, add(element, and(add(elementLength, 63), w)))
// Store the `element` into the array.
mstore(indexPtr, element)
}
prevIndex := add(index, mload(delimiter))
indexPtr := add(indexPtr, 0x20)
if iszero(lt(indexPtr, indicesEnd)) { break }
}
result := indices
if iszero(mload(delimiter)) {
result := add(indices, 0x20)
mstore(result, sub(mload(indices), 2))
}
}
}
/// @dev Returns a concatenated string of `a` and `b`.
/// Cheaper than `string.concat()` and does not de-align the free memory pointer.
function concat(string memory a, string memory b)
internal
pure
returns (string memory result)
{
/// @solidity memory-safe-assembly
assembly {
let w := not(31)
result := mload(0x40)
let aLength := mload(a)
// Copy `a` one word at a time, backwards.
for { let o := and(add(mload(a), 32), w) } 1 {} {
mstore(add(result, o), mload(add(a, o)))
o := add(o, w) // `sub(o, 0x20)`.
if iszero(o) { break }
}
let bLength := mload(b)
let output := add(result, mload(a))
// Copy `b` one word at a time, backwards.
for { let o := and(add(bLength, 32), w) } 1 {} {
mstore(add(output, o), mload(add(b, o)))
o := add(o, w) // `sub(o, 0x20)`.
if iszero(o) { break }
}
let totalLength := add(aLength, bLength)
let last := add(add(result, 0x20), totalLength)
// Zeroize the slot after the string.
mstore(last, 0)
// Stores the length.
mstore(result, totalLength)
// Allocate memory for the length and the bytes,
// rounded up to a multiple of 32.
mstore(0x40, and(add(last, 31), w))
}
}
/// @dev Returns a copy of the string in either lowercase or UPPERCASE.
function toCase(string memory subject, bool toUpper)
internal
pure
returns (string memory result)
{
/// @solidity memory-safe-assembly
assembly {
let length := mload(subject)
if length {
result := add(mload(0x40), 0x20)
subject := add(subject, 1)
let flags := shl(add(70, shl(5, toUpper)), 67108863)
let w := not(0)
for { let o := length } 1 {} {
o := add(o, w)
let b := and(0xff, mload(add(subject, o)))
mstore8(add(result, o), xor(b, and(shr(b, flags), 0x20)))
if iszero(o) { break }
}
// Restore the result.
result := mload(0x40)
// Stores the string length.
mstore(result, length)
// Zeroize the slot after the string.
let last := add(add(result, 0x20), length)
mstore(last, 0)
// Allocate memory for the length and the bytes,
// rounded up to a multiple of 32.
mstore(0x40, and(add(last, 31), not(31)))
}
}
}
/// @dev Returns a lowercased copy of the string.
function lower(string memory subject) internal pure returns (string memory result) {
result = toCase(subject, false);
}
/// @dev Returns an UPPERCASED copy of the string.
function upper(string memory subject) internal pure returns (string memory result) {
result = toCase(subject, true);
}
/// @dev Escapes the string to be used within HTML tags.
function escapeHTML(string memory s) internal pure returns (string memory result) {
/// @solidity memory-safe-assembly
assembly {
for {
let end := add(s, mload(s))
result := add(mload(0x40), 0x20)
// Store the bytes of the packed offsets and strides into the scratch space.
// `packed = (stride << 5) | offset`. Max offset is 20. Max stride is 6.
mstore(0x1f, 0x900094)
mstore(0x08, 0xc0000000a6ab)
// Store ""&'<>" into the scratch space.
mstore(0x00, shl(64, 0x2671756f743b26616d703b262333393b266c743b2667743b))
} iszero(eq(s, end)) {} {
s := add(s, 1)
let c := and(mload(s), 0xff)
// Not in `["\"","'","&","<",">"]`.
if iszero(and(shl(c, 1), 0x500000c400000000)) {
mstore8(result, c)
result := add(result, 1)
continue
}
let t := shr(248, mload(c))
mstore(result, mload(and(t, 31)))
result := add(result, shr(5, t))
}
let last := result
// Zeroize the slot after the string.
mstore(last, 0)
// Restore the result to the start of the free memory.
result := mload(0x40)
// Store the length of the result.
mstore(result, sub(last, add(result, 0x20)))
// Allocate memory for the length and the bytes,
// rounded up to a multiple of 32.
mstore(0x40, and(add(last, 31), not(31)))
}
}
/// @dev Escapes the string to be used within double-quotes in a JSON.
function escapeJSON(string memory s) internal pure returns (string memory result) {
/// @solidity memory-safe-assembly
assembly {
for {
let end := add(s, mload(s))
result := add(mload(0x40), 0x20)
// Store "\\u0000" in scratch space.
// Store "0123456789abcdef" in scratch space.
// Also, store `{0x08:"b", 0x09:"t", 0x0a:"n", 0x0c:"f", 0x0d:"r"}`.
// into the scratch space.
mstore(0x15, 0x5c75303030303031323334353637383961626364656662746e006672)
// Bitmask for detecting `["\"","\\"]`.
let e := or(shl(0x22, 1), shl(0x5c, 1))
} iszero(eq(s, end)) {} {
s := add(s, 1)
let c := and(mload(s), 0xff)
if iszero(lt(c, 0x20)) {
if iszero(and(shl(c, 1), e)) {
// Not in `["\"","\\"]`.
mstore8(result, c)
result := add(result, 1)
continue
}
mstore8(result, 0x5c) // "\\".
mstore8(add(result, 1), c)
result := add(result, 2)
continue
}
if iszero(and(shl(c, 1), 0x3700)) {
// Not in `["\b","\t","\n","\f","\d"]`.
mstore8(0x1d, mload(shr(4, c))) // Hex value.
mstore8(0x1e, mload(and(c, 15))) // Hex value.
mstore(result, mload(0x19)) // "\\u00XX".
result := add(result, 6)
continue
}
mstore8(result, 0x5c) // "\\".
mstore8(add(result, 1), mload(add(c, 8)))
result := add(result, 2)
}
let last := result
// Zeroize the slot after the string.
mstore(last, 0)
// Restore the result to the start of the free memory.
result := mload(0x40)
// Store the length of the result.
mstore(result, sub(last, add(result, 0x20)))
// Allocate memory for the length and the bytes,
// rounded up to a multiple of 32.
mstore(0x40, and(add(last, 31), not(31)))
}
}
/// @dev Returns whether `a` equals `b`.
function eq(string memory a, string memory b) internal pure returns (bool result) {
assembly {
result := eq(keccak256(add(a, 0x20), mload(a)), keccak256(add(b, 0x20), mload(b)))
}
}
/// @dev Packs a single string with its length into a single word.
/// Returns `bytes32(0)` if the length is zero or greater than 31.
function packOne(string memory a) internal pure returns (bytes32 result) {
/// @solidity memory-safe-assembly
assembly {
// We don't need to zero right pad the string,
// since this is our own custom non-standard packing scheme.
result :=
mul(
// Load the length and the bytes.
mload(add(a, 0x1f)),
// `length != 0 && length < 32`. Abuses underflow.
// Assumes that the length is valid and within the block gas limit.
lt(sub(mload(a), 1), 0x1f)
)
}
}
/// @dev Unpacks a string packed using {packOne}.
/// Returns the empty string if `packed` is `bytes32(0)`.
/// If `packed` is not an output of {packOne}, the output behaviour is undefined.
function unpackOne(bytes32 packed) internal pure returns (string memory result) {
/// @solidity memory-safe-assembly
assembly {
// Grab the free memory pointer.
result := mload(0x40)
// Allocate 2 words (1 for the length, 1 for the bytes).
mstore(0x40, add(result, 0x40))
// Zeroize the length slot.
mstore(result, 0)
// Store the length and bytes.
mstore(add(result, 0x1f), packed)
// Right pad with zeroes.
mstore(add(add(result, 0x20), mload(result)), 0)
}
}
/// @dev Packs two strings with their lengths into a single word.
/// Returns `bytes32(0)` if combined length is zero or greater than 30.
function packTwo(string memory a, string memory b) internal pure returns (bytes32 result) {
/// @solidity memory-safe-assembly
assembly {
let aLength := mload(a)
// We don't need to zero right pad the strings,
// since this is our own custom non-standard packing scheme.
result :=
mul(
// Load the length and the bytes of `a` and `b`.
or(
shl(shl(3, sub(0x1f, aLength)), mload(add(a, aLength))),
mload(sub(add(b, 0x1e), aLength))
),
// `totalLength != 0 && totalLength < 31`. Abuses underflow.
// Assumes that the lengths are valid and within the block gas limit.
lt(sub(add(aLength, mload(b)), 1), 0x1e)
)
}
}
/// @dev Unpacks strings packed using {packTwo}.
/// Returns the empty strings if `packed` is `bytes32(0)`.
/// If `packed` is not an output of {packTwo}, the output behaviour is undefined.
function unpackTwo(bytes32 packed)
internal
pure
returns (string memory resultA, string memory resultB)
{
/// @solidity memory-safe-assembly
assembly {
// Grab the free memory pointer.
resultA := mload(0x40)
resultB := add(resultA, 0x40)
// Allocate 2 words for each string (1 for the length, 1 for the byte). Total 4 words.
mstore(0x40, add(resultB, 0x40))
// Zeroize the length slots.
mstore(resultA, 0)
mstore(resultB, 0)
// Store the lengths and bytes.
mstore(add(resultA, 0x1f), packed)
mstore(add(resultB, 0x1f), mload(add(add(resultA, 0x20), mload(resultA))))
// Right pad with zeroes.
mstore(add(add(resultA, 0x20), mload(resultA)), 0)
mstore(add(add(resultB, 0x20), mload(resultB)), 0)
}
}
/// @dev Directly returns `a` without copying.
function directReturn(string memory a) internal pure {
assembly {
// Assumes that the string does not start from the scratch space.
let retStart := sub(a, 0x20)
let retSize := add(mload(a), 0x40)
// Right pad with zeroes. Just in case the string is produced
// by a method that doesn't zero right pad.
mstore(add(retStart, retSize), 0)
// Store the return offset.
mstore(retStart, 0x20)
// End the transaction, returning the string.
return(retStart, retSize)
}
}
}
// File: solady/utils/MerkleProofLib.sol
pragma solidity ^0.8.4;
/// @notice Gas optimized verification of proof of inclusion for a leaf in a Merkle tree.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/MerkleProofLib.sol)
/// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/MerkleProofLib.sol)
/// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/utils/cryptography/MerkleProof.sol)
library MerkleProofLib {
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* MERKLE PROOF VERIFICATION OPERATIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Returns whether `leaf` exists in the Merkle tree with `root`, given `proof`.
function verify(bytes32[] memory proof, bytes32 root, bytes32 leaf)
internal
pure
returns (bool isValid)
{
/// @solidity memory-safe-assembly
assembly {
if mload(proof) {
// Initialize `offset` to the offset of `proof` elements in memory.
let offset := add(proof, 0x20)
// Left shift by 5 is equivalent to multiplying by 0x20.
let end := add(offset, shl(5, mload(proof)))
// Iterate over proof elements to compute root hash.
for {} 1 {} {
// Slot of `leaf` in scratch space.
// If the condition is true: 0x20, otherwise: 0x00.
let scratch := shl(5, gt(leaf, mload(offset)))
// Store elements to hash contiguously in scratch space.
// Scratch space is 64 bytes (0x00 - 0x3f) and both elements are 32 bytes.
mstore(scratch, leaf)
mstore(xor(scratch, 0x20), mload(offset))
// Reuse `leaf` to store the hash to reduce stack operations.
leaf := keccak256(0x00, 0x40)
offset := add(offset, 0x20)
if iszero(lt(offset, end)) { break }
}
}
isValid := eq(leaf, root)
}
}
/// @dev Returns whether `leaf` exists in the Merkle tree with `root`, given `proof`.
function verifyCalldata(bytes32[] calldata proof, bytes32 root, bytes32 leaf)
internal
pure
returns (bool isValid)
{
/// @solidity memory-safe-assembly
assembly {
if proof.length {
// Left shift by 5 is equivalent to multiplying by 0x20.
let end := add(proof.offset, shl(5, proof.length))
// Initialize `offset` to the offset of `proof` in the calldata.
let offset := proof.offset
// Iterate over proof elements to compute root hash.
for {} 1 {} {
// Slot of `leaf` in scratch space.
// If the condition is true: 0x20, otherwise: 0x00.
let scratch := shl(5, gt(leaf, calldataload(offset)))
// Store elements to hash contiguously in scratch space.
// Scratch space is 64 bytes (0x00 - 0x3f) and both elements are 32 bytes.
mstore(scratch, leaf)
mstore(xor(scratch, 0x20), calldataload(offset))
// Reuse `leaf` to store the hash to reduce stack operations.
leaf := keccak256(0x00, 0x40)
offset := add(offset, 0x20)
if iszero(lt(offset, end)) { break }
}
}
isValid := eq(leaf, root)
}
}
/// @dev Returns whether all `leafs` exist in the Merkle tree with `root`,
/// given `proof` and `flags`.
function verifyMultiProof(
bytes32[] memory proof,
bytes32 root,
bytes32[] memory leafs,
bool[] memory flags
) internal pure returns (bool isValid) {
// Rebuilds the root by consuming and producing values on a queue.
// The queue starts with the `leafs` array, and goes into a `hashes` array.
// After the process, the last element on the queue is verified
// to be equal to the `root`.
//
// The `flags` array denotes whether the sibling
// should be popped from the queue (`flag == true`), or
// should be popped from the `proof` (`flag == false`).
/// @solidity memory-safe-assembly
assembly {
// Cache the lengths of the arrays.
let leafsLength := mload(leafs)
let proofLength := mload(proof)
let flagsLength := mload(flags)
// Advance the pointers of the arrays to point to the data.
leafs := add(0x20, leafs)
proof := add(0x20, proof)
flags := add(0x20, flags)
// If the number of flags is correct.
for {} eq(add(leafsLength, proofLength), add(flagsLength, 1)) {} {
// For the case where `proof.length + leafs.length == 1`.
if iszero(flagsLength) {
// `isValid = (proof.length == 1 ? proof[0] : leafs[0]) == root`.
isValid := eq(mload(xor(leafs, mul(xor(proof, leafs), proofLength))), root)
break
}
// We can use the free memory space for the queue.
// We don't need to allocate, since the queue is temporary.
let hashesFront := mload(0x40)
// Copy the leafs into the hashes.
// Sometimes, a little memory expansion costs less than branching.
// Should cost less, even with a high free memory offset of 0x7d00.
// Left shift by 5 is equivalent to multiplying by 0x20.
leafsLength := shl(5, leafsLength)
for { let i := 0 } iszero(eq(i, leafsLength)) { i := add(i, 0x20) } {
mstore(add(hashesFront, i), mload(add(leafs, i)))
}
// Compute the back of the hashes.
let hashesBack := add(hashesFront, leafsLength)
// This is the end of the memory for the queue.
// We recycle `flagsLength` to save on stack variables
// (this trick may not always save gas).
flagsLength := add(hashesBack, shl(5, flagsLength))
for {} 1 {} {
// Pop from `hashes`.
let a := mload(hashesFront)
// Pop from `hashes`.
let b := mload(add(hashesFront, 0x20))
hashesFront := add(hashesFront, 0x40)
// If the flag is false, load the next proof,
// else, pops from the queue.
if iszero(mload(flags)) {
// Loads the next proof.
b := mload(proof)
proof := add(proof, 0x20)
// Unpop from `hashes`.
hashesFront := sub(hashesFront, 0x20)
}
// Advance to the next flag.
flags := add(flags, 0x20)
// Slot of `a` in scratch space.
// If the condition is true: 0x20, otherwise: 0x00.
let scratch := shl(5, gt(a, b))
// Hash the scratch space and push the result onto the queue.
mstore(scratch, a)
mstore(xor(scratch, 0x20), b)
mstore(hashesBack, keccak256(0x00, 0x40))
hashesBack := add(hashesBack, 0x20)
if iszero(lt(hashesBack, flagsLength)) { break }
}
// Checks if the last value in the queue is same as the root.
isValid := eq(mload(sub(hashesBack, 0x20)), root)
break
}
}
}
/// @dev Returns whether all `leafs` exist in the Merkle tree with `root`,
/// given `proof` and `flags`.
function verifyMultiProofCalldata(
bytes32[] calldata proof,
bytes32 root,
bytes32[] calldata leafs,
bool[] calldata flags
) internal pure returns (bool isValid) {
// Rebuilds the root by consuming and producing values on a queue.
// The queue starts with the `leafs` array, and goes into a `hashes` array.
// After the process, the last element on the queue is verified
// to be equal to the `root`.
//
// The `flags` array denotes whether the sibling
// should be popped from the queue (`flag == true`), or
// should be popped from the `proof` (`flag == false`).
/// @solidity memory-safe-assembly
assembly {
// If the number of flags is correct.
for {} eq(add(leafs.length, proof.length), add(flags.length, 1)) {} {
// For the case where `proof.length + leafs.length == 1`.
if iszero(flags.length) {
// `isValid = (proof.length == 1 ? proof[0] : leafs[0]) == root`.
// forgefmt: disable-next-item
isValid := eq(
calldataload(
xor(leafs.offset, mul(xor(proof.offset, leafs.offset), proof.length))
),
root
)
break
}
// We can use the free memory space for the queue.
// We don't need to allocate, since the queue is temporary.
let hashesFront := mload(0x40)
// Copy the leafs into the hashes.
// Sometimes, a little memory expansion costs less than branching.
// Should cost less, even with a high free memory offset of 0x7d00.
// Left shift by 5 is equivalent to multiplying by 0x20.
calldatacopy(hashesFront, leafs.offset, shl(5, leafs.length))
// Compute the back of the hashes.
let hashesBack := add(hashesFront, shl(5, leafs.length))
// This is the end of the memory for the queue.
// We recycle `flags.length` to save on stack variables
// (this trick may not always save gas).
flags.length := add(hashesBack, shl(5, flags.length))
// We don't need to make a copy of `proof.offset` or `flags.offset`,
// as they are pass-by-value (this trick may not always save gas).
for {} 1 {} {
// Pop from `hashes`.
let a := mload(hashesFront)
// Pop from `hashes`.
let b := mload(add(hashesFront, 0x20))
hashesFront := add(hashesFront, 0x40)
// If the flag is false, load the next proof,
// else, pops from the queue.
if iszero(calldataload(flags.offset)) {
// Loads the next proof.
b := calldataload(proof.offset)
proof.offset := add(proof.offset, 0x20)
// Unpop from `hashes`.
hashesFront := sub(hashesFront, 0x20)
}
// Advance to the next flag offset.
flags.offset := add(flags.offset, 0x20)
// Slot of `a` in scratch space.
// If the condition is true: 0x20, otherwise: 0x00.
let scratch := shl(5, gt(a, b))
// Hash the scratch space and push the result onto the queue.
mstore(scratch, a)
mstore(xor(scratch, 0x20), b)
mstore(hashesBack, keccak256(0x00, 0x40))
hashesBack := add(hashesBack, 0x20)
if iszero(lt(hashesBack, flags.length)) { break }
}
// Checks if the last value in the queue is same as the root.
isValid := eq(mload(sub(hashesBack, 0x20)), root)
break
}
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* EMPTY CALLDATA HELPERS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Returns an empty calldata bytes32 array.
function emptyProof() internal pure returns (bytes32[] calldata proof) {
/// @solidity memory-safe-assembly
assembly {
proof.length := 0
}
}
/// @dev Returns an empty calldata bytes32 array.
function emptyLeafs() internal pure returns (bytes32[] calldata leafs) {
/// @solidity memory-safe-assembly
assembly {
leafs.length := 0
}
}
/// @dev Returns an empty calldata bool array.
function emptyFlags() internal pure returns (bool[] calldata flags) {
/// @solidity memory-safe-assembly
assembly {
flags.length := 0
}
}
}
// File: solady/auth/Ownable.sol
pragma solidity ^0.8.4;
/// @notice Simple single owner authorization mixin.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/auth/Ownable.sol)
/// @dev While the ownable portion follows [EIP-173](https://eips.ethereum.org/EIPS/eip-173)
/// for compatibility, the nomenclature for the 2-step ownership handover
/// may be unique to this codebase.
abstract contract Ownable {
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* CUSTOM ERRORS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The caller is not authorized to call the function.
error Unauthorized();
/// @dev The `newOwner` cannot be the zero address.
error NewOwnerIsZeroAddress();
/// @dev The `pendingOwner` does not have a valid handover request.
error NoHandoverRequest();
/// @dev `bytes4(keccak256(bytes("Unauthorized()")))`.
uint256 private constant _UNAUTHORIZED_ERROR_SELECTOR = 0x82b42900;
/// @dev `bytes4(keccak256(bytes("NewOwnerIsZeroAddress()")))`.
uint256 private constant _NEW_OWNER_IS_ZERO_ADDRESS_ERROR_SELECTOR = 0x7448fbae;
/// @dev `bytes4(keccak256(bytes("NoHandoverRequest()")))`.
uint256 private constant _NO_HANDOVER_REQUEST_ERROR_SELECTOR = 0x6f5e8818;
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* EVENTS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The ownership is transferred from `oldOwner` to `newOwner`.
/// This event is intentionally kept the same as OpenZeppelin's Ownable to be
/// compatible with indexers and [EIP-173](https://eips.ethereum.org/EIPS/eip-173),
/// despite it not being as lightweight as a single argument event.
event OwnershipTransferred(address indexed oldOwner, address indexed newOwner);
/// @dev An ownership handover to `pendingOwner` has been requested.
event OwnershipHandoverRequested(address indexed pendingOwner);
/// @dev The ownership handover to `pendingOwner` has been canceled.
event OwnershipHandoverCanceled(address indexed pendingOwner);
/// @dev `keccak256(bytes("OwnershipTransferred(address,address)"))`.
uint256 private constant _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE =
0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0;
/// @dev `keccak256(bytes("OwnershipHandoverRequested(address)"))`.
uint256 private constant _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE =
0xdbf36a107da19e49527a7176a1babf963b4b0ff8cde35ee35d6cd8f1f9ac7e1d;
/// @dev `keccak256(bytes("OwnershipHandoverCanceled(address)"))`.
uint256 private constant _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE =
0xfa7b8eab7da67f412cc9575ed43464468f9bfbae89d1675917346ca6d8fe3c92;
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* STORAGE */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The owner slot is given by: `not(_OWNER_SLOT_NOT)`.
/// It is intentionally choosen to be a high value
/// to avoid collision with lower slots.
/// The choice of manual storage layout is to enable compatibility
/// with both regular and upgradeable contracts.
uint256 private constant _OWNER_SLOT_NOT = 0x8b78c6d8;
/// The ownership handover slot of `newOwner` is given by:
/// ```
/// mstore(0x00, or(shl(96, user), _HANDOVER_SLOT_SEED))
/// let handoverSlot := keccak256(0x00, 0x20)
/// ```
/// It stores the expiry timestamp of the two-step ownership handover.
uint256 private constant _HANDOVER_SLOT_SEED = 0x389a75e1;
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* INTERNAL FUNCTIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Initializes the owner directly without authorization guard.
/// This function must be called upon initialization,
/// regardless of whether the contract is upgradeable or not.
/// This is to enable generalization to both regular and upgradeable contracts,
/// and to save gas in case the initial owner is not the caller.
/// For performance reasons, this function will not check if there
/// is an existing owner.
function _initializeOwner(address newOwner) internal virtual {
/// @solidity memory-safe-assembly
assembly {
// Clean the upper 96 bits.
newOwner := shr(96, shl(96, newOwner))
// Store the new value.
sstore(not(_OWNER_SLOT_NOT), newOwner)
// Emit the {OwnershipTransferred} event.
log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, 0, newOwner)
}
}
/// @dev Sets the owner directly without authorization guard.
function _setOwner(address newOwner) internal virtual {
/// @solidity memory-safe-assembly
assembly {
let ownerSlot := not(_OWNER_SLOT_NOT)
// Clean the upper 96 bits.
newOwner := shr(96, shl(96, newOwner))
// Emit the {OwnershipTransferred} event.
log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, sload(ownerSlot), newOwner)
// Store the new value.
sstore(ownerSlot, newOwner)
}
}
/// @dev Throws if the sender is not the owner.
function _checkOwner() internal view virtual {
/// @solidity memory-safe-assembly
assembly {
// If the caller is not the stored owner, revert.
if iszero(eq(caller(), sload(not(_OWNER_SLOT_NOT)))) {
mstore(0x00, _UNAUTHORIZED_ERROR_SELECTOR)
revert(0x1c, 0x04)
}
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* PUBLIC UPDATE FUNCTIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Allows the owner to transfer the ownership to `newOwner`.
function transferOwnership(address newOwner) public payable virtual onlyOwner {
if (newOwner == address(0)) revert NewOwnerIsZeroAddress();
_setOwner(newOwner);
}
/// @dev Allows the owner to renounce their ownership.
function renounceOwnership() public payable virtual onlyOwner {
_setOwner(address(0));
}
/// @dev Request a two-step ownership handover to the caller.
/// The request will be automatically expire in 48 hours (172800 seconds) by default.
function requestOwnershipHandover() public payable virtual {
unchecked {
uint256 expires = block.timestamp + ownershipHandoverValidFor();
/// @solidity memory-safe-assembly
assembly {
// Compute and set the handover slot to 1.
mstore(0x0c, _HANDOVER_SLOT_SEED)
mstore(0x00, caller())
sstore(keccak256(0x0c, 0x20), expires)
// Emit the {OwnershipHandoverRequested} event.
log2(0, 0, _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE, caller())
}
}
}
/// @dev Cancels the two-step ownership handover to the caller, if any.
function cancelOwnershipHandover() public payable virtual {
/// @solidity memory-safe-assembly
assembly {
// Compute and set the handover slot to 0.
mstore(0x0c, _HANDOVER_SLOT_SEED)
mstore(0x00, caller())
sstore(keccak256(0x0c, 0x20), 0)
// Emit the {OwnershipHandoverCanceled} event.
log2(0, 0, _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE, caller())
}
}
/// @dev Allows the owner to complete the two-step ownership handover to `pendingOwner`.
/// Reverts if there is no existing ownership handover requested by `pendingOwner`.
function completeOwnershipHandover(address pendingOwner) public payable virtual onlyOwner {
/// @solidity memory-safe-assembly
assembly {
// Compute and set the handover slot to 0.
mstore(0x0c, _HANDOVER_SLOT_SEED)
mstore(0x00, pendingOwner)
let handoverSlot := keccak256(0x0c, 0x20)
// If the handover does not exist, or has expired.
if gt(timestamp(), sload(handoverSlot)) {
mstore(0x00, _NO_HANDOVER_REQUEST_ERROR_SELECTOR)
revert(0x1c, 0x04)
}
// Set the handover slot to 0.
sstore(handoverSlot, 0)
// Clean the upper 96 bits.
let newOwner := shr(96, mload(0x0c))
// Emit the {OwnershipTransferred} event.
log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, caller(), newOwner)
// Store the new value.
sstore(not(_OWNER_SLOT_NOT), newOwner)
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* PUBLIC READ FUNCTIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Returns the owner of the contract.
function owner() public view virtual returns (address result) {
/// @solidity memory-safe-assembly
assembly {
result := sload(not(_OWNER_SLOT_NOT))
}
}
/// @dev Returns the expiry timestamp for the two-step ownership handover to `pendingOwner`.
function ownershipHandoverExpiresAt(address pendingOwner)
public
view
virtual
returns (uint256 result)
{
/// @solidity memory-safe-assembly
assembly {
// Compute the handover slot.
mstore(0x0c, _HANDOVER_SLOT_SEED)
mstore(0x00, pendingOwner)
// Load the handover slot.
result := sload(keccak256(0x0c, 0x20))
}
}
/// @dev Returns how long a two-step ownership handover is valid for in seconds.
function ownershipHandoverValidFor() public view virtual returns (uint64) {
return 48 * 3600;
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* MODIFIERS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Marks a function as only callable by the owner.
modifier onlyOwner() virtual {
_checkOwner();
_;
}
}
// File: solady/tokens/ERC1155.sol
pragma solidity ^0.8.4;
/// @notice Modern and gas efficient ERC1155 implementation.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/tokens/ERC1155.sol)
/// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC1155.sol)
/// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/tree/master/contracts/token/ERC1155/ERC1155.sol)
abstract contract ERC1155 {
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* CUSTOM ERRORS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The lengths of the input arrays are not the same.
error ArrayLengthsMismatch();
/// @dev Cannot mint or transfer to the zero address.
error TransferToZeroAddress();
/// @dev The recipient's balance has overflowed.
error AccountBalanceOverflow();
/// @dev Insufficient balance.
error InsufficientBalance();
/// @dev Only the token owner or an approved account can manage the tokens.
error NotOwnerNorApproved();
/// @dev Cannot safely transfer to a contract that does not implement
/// the ERC1155Receiver interface.
error TransferToNonERC1155ReceiverImplementer();
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* EVENTS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Emitted when `amount` of token `id` is transferred
/// from `from` to `to` by `operator`.
event TransferSingle(
address indexed operator,
address indexed from,
address indexed to,
uint256 id,
uint256 amount
);
/// @dev Emitted when `amounts` of token `ids` are transferred
/// from `from` to `to` by `operator`.
event TransferBatch(
address indexed operator,
address indexed from,
address indexed to,
uint256[] ids,
uint256[] amounts
);
/// @dev Emitted when `owner` enables or disables `operator` to manage all of their tokens.
event ApprovalForAll(address indexed owner, address indexed operator, bool isApproved);
/// @dev Emitted when the Uniform Resource Identifier (URI) for token `id`
/// is updated to `value`. This event is not used in the base contract.
/// You may need to emit this event depending on your URI logic.
///
/// See: https://eips.ethereum.org/EIPS/eip-1155#metadata
event URI(string value, uint256 indexed id);
/// @dev `keccak256(bytes("TransferSingle(address,address,address,uint256,uint256)"))`.
uint256 private constant _TRANSFER_SINGLE_EVENT_SIGNATURE =
0xc3d58168c5ae7397731d063d5bbf3d657854427343f4c083240f7aacaa2d0f62;
/// @dev `keccak256(bytes("TransferBatch(address,address,address,uint256[],uint256[])"))`.
uint256 private constant _TRANSFER_BATCH_EVENT_SIGNATURE =
0x4a39dc06d4c0dbc64b70af90fd698a233a518aa5d07e595d983b8c0526c8f7fb;
/// @dev `keccak256(bytes("ApprovalForAll(address,address,bool)"))`.
uint256 private constant _APPROVAL_FOR_ALL_EVENT_SIGNATURE =
0x17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31;
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* STORAGE */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The `ownerSlotSeed` of a given owner is given by.
/// ```
/// let ownerSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, owner))
/// ```
///
/// The balance slot of `owner` is given by.
/// ```
/// mstore(0x20, ownerSlotSeed)
/// mstore(0x00, id)
/// let balanceSlot := keccak256(0x00, 0x40)
/// ```
///
/// The operator approval slot of `owner` is given by.
/// ```
/// mstore(0x20, ownerSlotSeed)
/// mstore(0x00, operator)
/// let operatorApprovalSlot := keccak256(0x0c, 0x34)
/// ```
uint256 private constant _ERC1155_MASTER_SLOT_SEED = 0x9a31110384e0b0c9;
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* ERC1155 METADATA */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Returns the URI for token `id`.
///
/// Can either return the same templated URI for all token IDs,
/// or substitute the `id` on the contract side.
///
/// See: https://eips.ethereum.org/EIPS/eip-1155#metadata
function uri(uint256 id) public view virtual returns (string memory);
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* ERC1155 */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Returns the amount of `id` owned by `owner`.
function balanceOf(address owner, uint256 id) public view virtual returns (uint256 result) {
/// @solidity memory-safe-assembly
assembly {
mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, shl(96, owner)))
mstore(0x00, id)
result := sload(keccak256(0x00, 0x40))
}
}
/// @dev Returns whether `operator` is approved to manage the tokens of `owner`.
function isApprovedForAll(address owner, address operator)
public
view
virtual
returns (bool result)
{
/// @solidity memory-safe-assembly
assembly {
mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, shl(96, owner)))
mstore(0x00, operator)
result := sload(keccak256(0x0c, 0x34))
}
}
/// @dev Sets whether `operator` is approved to manage the tokens of the caller.
///
/// Emits a {ApprovalForAll} event.
function setApprovalForAll(address operator, bool isApproved) public virtual {
/// @solidity memory-safe-assembly
assembly {
// Clear the upper 96 bits.
operator := shr(96, shl(96, operator))
// Convert to 0 or 1.
isApproved := iszero(iszero(isApproved))
// Update the `isApproved` for (`msg.sender`, `operator`).
mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, shl(96, caller())))
mstore(0x00, operator)
sstore(keccak256(0x0c, 0x34), isApproved)
// Emit the {ApprovalForAll} event.
mstore(0x00, isApproved)
log3(0x00, 0x20, _APPROVAL_FOR_ALL_EVENT_SIGNATURE, caller(), operator)
}
}
/// @dev Transfers `amount` of `id` from `from` to `to`.
///
/// Requirements:
/// - `to` cannot be the zero address.
/// - `from` must have at least `amount` of `id`.
/// - If the caller is not `from`,
/// it must be approved to manage the tokens of `from`.
/// - If `to` refers to a smart contract, it must implement
/// {ERC1155-onERC1155Reveived}, which is called upon a batch transfer.
///
/// Emits a {Transfer} event.
function safeTransferFrom(
address from,
address to,
uint256 id,
uint256 amount,
bytes calldata data
) public virtual {
if (_useBeforeTokenTransfer()) {
_beforeTokenTransfer(from, to, _single(id), _single(amount), data);
}
/// @solidity memory-safe-assembly
assembly {
let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from))
let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to))
mstore(0x20, fromSlotSeed)
// Clear the upper 96 bits.
from := shr(96, fromSlotSeed)
to := shr(96, toSlotSeed)
// If the caller is not `from`, do the authorization check.
if iszero(eq(caller(), from)) {
mstore(0x00, caller())
if iszero(sload(keccak256(0x0c, 0x34))) {
mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.
revert(0x1c, 0x04)
}
}
// Revert if `to` is the zero address.
if iszero(to) {
mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.
revert(0x1c, 0x04)
}
// Subtract and store the updated balance of `from`.
{
mstore(0x00, id)
let fromBalanceSlot := keccak256(0x00, 0x40)
let fromBalance := sload(fromBalanceSlot)
if gt(amount, fromBalance) {
mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.
revert(0x1c, 0x04)
}
sstore(fromBalanceSlot, sub(fromBalance, amount))
}
// Increase and store the updated balance of `to`.
{
mstore(0x20, toSlotSeed)
let toBalanceSlot := keccak256(0x00, 0x40)
let toBalanceBefore := sload(toBalanceSlot)
let toBalanceAfter := add(toBalanceBefore, amount)
if lt(toBalanceAfter, toBalanceBefore) {
mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.
revert(0x1c, 0x04)
}
sstore(toBalanceSlot, toBalanceAfter)
}
// Emit a {TransferSingle} event.
{
mstore(0x20, amount)
log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), from, to)
}
}
if (_useAfterTokenTransfer()) {
_afterTokenTransfer(from, to, _single(id), _single(amount), data);
}
/// @solidity memory-safe-assembly
assembly {
// Do the {onERC1155Received} check if `to` is a smart contract.
if extcodesize(to) {
// Prepare the calldata.
let m := mload(0x40)
let onERC1155ReceivedSelector := 0xf23a6e61
mstore(m, onERC1155ReceivedSelector)
mstore(add(m, 0x20), caller())
mstore(add(m, 0x40), from)
mstore(add(m, 0x60), id)
mstore(add(m, 0x80), amount)
mstore(add(m, 0xa0), 0xa0)
calldatacopy(add(m, 0xc0), sub(data.offset, 0x20), add(0x20, data.length))
// Revert if the call reverts.
if iszero(call(gas(), to, 0, add(m, 0x1c), add(0xc4, data.length), m, 0x20)) {
if returndatasize() {
// Bubble up the revert if the delegatecall reverts.
returndatacopy(0x00, 0x00, returndatasize())
revert(0x00, returndatasize())
}
mstore(m, 0)
}
// Load the returndata and compare it.
if iszero(eq(mload(m), shl(224, onERC1155ReceivedSelector))) {
mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.
revert(0x1c, 0x04)
}
}
}
}
/// @dev Transfers `amounts` of `ids` from `from` to `to`.
///
/// Requirements:
/// - `to` cannot be the zero address.
/// - `from` must have at least `amount` of `id`.
/// - `ids` and `amounts` must have the same length.
/// - If the caller is not `from`,
/// it must be approved to manage the tokens of `from`.
/// - If `to` refers to a smart contract, it must implement
/// {ERC1155-onERC1155BatchReveived}, which is called upon a batch transfer.
///
/// Emits a {TransferBatch} event.
function safeBatchTransferFrom(
address from,
address to,
uint256[] calldata ids,
uint256[] calldata amounts,
bytes calldata data
) public virtual {
if (_useBeforeTokenTransfer()) {
_beforeTokenTransfer(from, to, ids, amounts, data);
}
/// @solidity memory-safe-assembly
assembly {
if iszero(eq(ids.length, amounts.length)) {
mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.
revert(0x1c, 0x04)
}
let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from))
let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to))
mstore(0x20, fromSlotSeed)
// Clear the upper 96 bits.
from := shr(96, fromSlotSeed)
to := shr(96, toSlotSeed)
// Revert if `to` is the zero address.
if iszero(to) {
mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.
revert(0x1c, 0x04)
}
// If the caller is not `from`, do the authorization check.
if iszero(eq(caller(), from)) {
mstore(0x00, caller())
if iszero(sload(keccak256(0x0c, 0x34))) {
mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.
revert(0x1c, 0x04)
}
}
// Loop through all the `ids` and update the balances.
{
let end := shl(5, ids.length)
for { let i := 0 } iszero(eq(i, end)) { i := add(i, 0x20) } {
let amount := calldataload(add(amounts.offset, i))
// Subtract and store the updated balance of `from`.
{
mstore(0x20, fromSlotSeed)
mstore(0x00, calldataload(add(ids.offset, i)))
let fromBalanceSlot := keccak256(0x00, 0x40)
let fromBalance := sload(fromBalanceSlot)
if gt(amount, fromBalance) {
mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.
revert(0x1c, 0x04)
}
sstore(fromBalanceSlot, sub(fromBalance, amount))
}
// Increase and store the updated balance of `to`.
{
mstore(0x20, toSlotSeed)
let toBalanceSlot := keccak256(0x00, 0x40)
let toBalanceBefore := sload(toBalanceSlot)
let toBalanceAfter := add(toBalanceBefore, amount)
if lt(toBalanceAfter, toBalanceBefore) {
mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.
revert(0x1c, 0x04)
}
sstore(toBalanceSlot, toBalanceAfter)
}
}
}
// Emit a {TransferBatch} event.
{
let m := mload(0x40)
// Copy the `ids`.
mstore(m, 0x40)
let n := add(0x20, shl(5, ids.length))
let o := add(m, 0x40)
calldatacopy(o, sub(ids.offset, 0x20), n)
// Copy the `amounts`.
mstore(add(m, 0x20), add(0x40, n))
o := add(o, n)
n := add(0x20, shl(5, amounts.length))
calldatacopy(o, sub(amounts.offset, 0x20), n)
n := sub(add(o, n), m)
// Do the emit.
log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), from, to)
}
}
if (_useAfterTokenTransfer()) {
_afterTokenTransferCalldata(from, to, ids, amounts, data);
}
/// @solidity memory-safe-assembly
assembly {
// Do the {onERC1155BatchReceived} check if `to` is a smart contract.
if extcodesize(to) {
let m := mload(0x40)
// Prepare the calldata.
let onERC1155BatchReceivedSelector := 0xbc197c81
mstore(m, onERC1155BatchReceivedSelector)
mstore(add(m, 0x20), caller())
mstore(add(m, 0x40), from)
// Copy the `ids`.
mstore(add(m, 0x60), 0xa0)
let n := add(0x20, shl(5, ids.length))
let o := add(m, 0xc0)
calldatacopy(o, sub(ids.offset, 0x20), n)
// Copy the `amounts`.
let s := add(0xa0, n)
mstore(add(m, 0x80), s)
o := add(o, n)
n := add(0x20, shl(5, amounts.length))
calldatacopy(o, sub(amounts.offset, 0x20), n)
// Copy the `data`.
mstore(add(m, 0xa0), add(s, n))
o := add(o, n)
n := add(0x20, data.length)
calldatacopy(o, sub(data.offset, 0x20), n)
n := sub(add(o, n), add(m, 0x1c))
// Revert if the call reverts.
if iszero(call(gas(), to, 0, add(m, 0x1c), n, m, 0x20)) {
if returndatasize() {
// Bubble up the revert if the delegatecall reverts.
returndatacopy(0x00, 0x00, returndatasize())
revert(0x00, returndatasize())
}
mstore(m, 0)
}
// Load the returndata and compare it.
if iszero(eq(mload(m), shl(224, onERC1155BatchReceivedSelector))) {
mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.
revert(0x1c, 0x04)
}
}
}
}
/// @dev Returns the amounts of `ids` for `owners.
///
/// Requirements:
/// - `owners` and `ids` must have the same length.
function balanceOfBatch(address[] calldata owners, uint256[] calldata ids)
public
view
virtual
returns (uint256[] memory balances)
{
/// @solidity memory-safe-assembly
assembly {
if iszero(eq(ids.length, owners.length)) {
mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.
revert(0x1c, 0x04)
}
balances := mload(0x40)
mstore(balances, ids.length)
let o := add(balances, 0x20)
let end := shl(5, ids.length)
mstore(0x40, add(end, o))
// Loop through all the `ids` and load the balances.
for { let i := 0 } iszero(eq(i, end)) { i := add(i, 0x20) } {
let owner := calldataload(add(owners.offset, i))
mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, shl(96, owner)))
mstore(0x00, calldataload(add(ids.offset, i)))
mstore(add(o, i), sload(keccak256(0x00, 0x40)))
}
}
}
/// @dev Returns true if this contract implements the interface defined by `interfaceId`.
/// See: https://eips.ethereum.org/EIPS/eip-165
/// This function call must use less than 30000 gas.
function supportsInterface(bytes4 interfaceId) public view virtual returns (bool result) {
/// @solidity memory-safe-assembly
assembly {
let s := shr(224, interfaceId)
// ERC165: 0x01ffc9a7, ERC1155: 0xd9b67a26, ERC1155MetadataURI: 0x0e89341c.
result := or(or(eq(s, 0x01ffc9a7), eq(s, 0xd9b67a26)), eq(s, 0x0e89341c))
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* INTERNAL MINT FUNCTIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Mints `amount` of `id` to `to`.
///
/// Requirements:
/// - `to` cannot be the zero address.
/// - If `to` refers to a smart contract, it must implement
/// {ERC1155-onERC1155Reveived}, which is called upon a batch transfer.
///
/// Emits a {Transfer} event.
function _mint(address to, uint256 id, uint256 amount, bytes memory data) internal virtual {
if (_useBeforeTokenTransfer()) {
_beforeTokenTransfer(address(0), to, _single(id), _single(amount), data);
}
/// @solidity memory-safe-assembly
assembly {
let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to))
// Clear the upper 96 bits.
to := shr(96, toSlotSeed)
// Revert if `to` is the zero address.
if iszero(to) {
mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.
revert(0x1c, 0x04)
}
// Increase and store the updated balance of `to`.
{
mstore(0x20, toSlotSeed)
mstore(0x00, id)
let toBalanceSlot := keccak256(0x00, 0x40)
let toBalanceBefore := sload(toBalanceSlot)
let toBalanceAfter := add(toBalanceBefore, amount)
if lt(toBalanceAfter, toBalanceBefore) {
mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.
revert(0x1c, 0x04)
}
sstore(toBalanceSlot, toBalanceAfter)
}
// Emit a {TransferSingle} event.
{
mstore(0x00, id)
mstore(0x20, amount)
log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), 0, to)
}
}
if (_useAfterTokenTransfer()) {
_afterTokenTransfer(address(0), to, _single(id), _single(amount), data);
}
if (_hasCode(to)) _checkOnERC1155Received(address(0), to, id, amount, data);
}
/// @dev Mints `amounts` of `ids` to `to`.
///
/// Requirements:
/// - `to` cannot be the zero address.
/// - `ids` and `amounts` must have the same length.
/// - If `to` refers to a smart contract, it must implement
/// {ERC1155-onERC1155BatchReveived}, which is called upon a batch transfer.
///
/// Emits a {TransferBatch} event.
function _batchMint(
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {
if (_useBeforeTokenTransfer()) {
_beforeTokenTransfer(address(0), to, ids, amounts, data);
}
/// @solidity memory-safe-assembly
assembly {
if iszero(eq(mload(ids), mload(amounts))) {
mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.
revert(0x1c, 0x04)
}
let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to))
// Clear the upper 96 bits.
to := shr(96, toSlotSeed)
// Revert if `to` is the zero address.
if iszero(to) {
mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.
revert(0x1c, 0x04)
}
// Loop through all the `ids` and update the balances.
{
let end := shl(5, mload(ids))
for { let i := 0 } iszero(eq(i, end)) {} {
i := add(i, 0x20)
let amount := mload(add(amounts, i))
// Increase and store the updated balance of `to`.
{
mstore(0x20, toSlotSeed)
mstore(0x00, mload(add(ids, i)))
let toBalanceSlot := keccak256(0x00, 0x40)
let toBalanceBefore := sload(toBalanceSlot)
let toBalanceAfter := add(toBalanceBefore, amount)
if lt(toBalanceAfter, toBalanceBefore) {
mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.
revert(0x1c, 0x04)
}
sstore(toBalanceSlot, toBalanceAfter)
}
}
}
// Emit a {TransferBatch} event.
{
let m := mload(0x40)
// Copy the `ids`.
mstore(m, 0x40)
let n := add(0x20, shl(5, mload(ids)))
let o := add(m, 0x40)
pop(staticcall(gas(), 4, ids, n, o, n))
// Copy the `amounts`.
mstore(add(m, 0x20), add(0x40, returndatasize()))
o := add(o, returndatasize())
n := add(0x20, shl(5, mload(amounts)))
pop(staticcall(gas(), 4, amounts, n, o, n))
n := sub(add(o, returndatasize()), m)
// Do the emit.
log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), 0, to)
}
}
if (_useAfterTokenTransfer()) {
_afterTokenTransfer(address(0), to, ids, amounts, data);
}
if (_hasCode(to)) _checkOnERC1155BatchReceived(address(0), to, ids, amounts, data);
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* INTERNAL BURN FUNCTIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Equivalent to `_burn(address(0), from, id, amount)`.
function _burn(address from, uint256 id, uint256 amount) internal virtual {
_burn(address(0), from, id, amount);
}
/// @dev Destroys `amount` of `id` from `from`.
///
/// Requirements:
/// - `from` must have at least `amount` of `id`.
/// - If `by` is not the zero address, it must be either `from`,
/// or approved to manage the tokens of `from`.
///
/// Emits a {Transfer} event.
function _burn(address by, address from, uint256 id, uint256 amount) internal virtual {
if (_useBeforeTokenTransfer()) {
_beforeTokenTransfer(from, address(0), _single(id), _single(amount), "");
}
/// @solidity memory-safe-assembly
assembly {
let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from))
mstore(0x20, fromSlotSeed)
// Clear the upper 96 bits.
from := shr(96, fromSlotSeed)
by := shr(96, shl(96, by))
// If `by` is not the zero address, and not equal to `from`,
// check if it is approved to manage all the tokens of `from`.
if iszero(or(iszero(by), eq(by, from))) {
mstore(0x00, by)
if iszero(sload(keccak256(0x0c, 0x34))) {
mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.
revert(0x1c, 0x04)
}
}
// Decrease and store the updated balance of `from`.
{
mstore(0x00, id)
let fromBalanceSlot := keccak256(0x00, 0x40)
let fromBalance := sload(fromBalanceSlot)
if gt(amount, fromBalance) {
mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.
revert(0x1c, 0x04)
}
sstore(fromBalanceSlot, sub(fromBalance, amount))
}
// Emit a {TransferSingle} event.
{
mstore(0x00, id)
mstore(0x20, amount)
log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), from, 0)
}
}
if (_useAfterTokenTransfer()) {
_afterTokenTransfer(from, address(0), _single(id), _single(amount), "");
}
}
/// @dev Equivalent to `_batchBurn(address(0), from, ids, amounts)`.
function _batchBurn(address from, uint256[] memory ids, uint256[] memory amounts)
internal
virtual
{
_batchBurn(address(0), from, ids, amounts);
}
/// @dev Destroys `amounts` of `ids` from `from`.
///
/// Requirements:
/// - `ids` and `amounts` must have the same length.
/// - `from` must have at least `amounts` of `ids`.
/// - If `by` is not the zero address, it must be either `from`,
/// or approved to manage the tokens of `from`.
///
/// Emits a {TransferBatch} event.
function _batchBurn(address by, address from, uint256[] memory ids, uint256[] memory amounts)
internal
virtual
{
if (_useBeforeTokenTransfer()) {
_beforeTokenTransfer(from, address(0), ids, amounts, "");
}
/// @solidity memory-safe-assembly
assembly {
if iszero(eq(mload(ids), mload(amounts))) {
mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.
revert(0x1c, 0x04)
}
let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from))
mstore(0x20, fromSlotSeed)
// Clear the upper 96 bits.
from := shr(96, fromSlotSeed)
by := shr(96, shl(96, by))
// If `by` is not the zero address, and not equal to `from`,
// check if it is approved to manage all the tokens of `from`.
if iszero(or(iszero(by), eq(by, from))) {
mstore(0x00, by)
if iszero(sload(keccak256(0x0c, 0x34))) {
mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.
revert(0x1c, 0x04)
}
}
// Loop through all the `ids` and update the balances.
{
let end := shl(5, mload(ids))
for { let i := 0 } iszero(eq(i, end)) {} {
i := add(i, 0x20)
let amount := mload(add(amounts, i))
// Increase and store the updated balance of `to`.
{
mstore(0x00, mload(add(ids, i)))
let fromBalanceSlot := keccak256(0x00, 0x40)
let fromBalance := sload(fromBalanceSlot)
if gt(amount, fromBalance) {
mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.
revert(0x1c, 0x04)
}
sstore(fromBalanceSlot, sub(fromBalance, amount))
}
}
}
// Emit a {TransferBatch} event.
{
let m := mload(0x40)
// Copy the `ids`.
mstore(m, 0x40)
let n := add(0x20, shl(5, mload(ids)))
let o := add(m, 0x40)
pop(staticcall(gas(), 4, ids, n, o, n))
// Copy the `amounts`.
mstore(add(m, 0x20), add(0x40, returndatasize()))
o := add(o, returndatasize())
n := add(0x20, shl(5, mload(amounts)))
pop(staticcall(gas(), 4, amounts, n, o, n))
n := sub(add(o, returndatasize()), m)
// Do the emit.
log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), from, 0)
}
}
if (_useAfterTokenTransfer()) {
_afterTokenTransfer(from, address(0), ids, amounts, "");
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* INTERNAL APPROVAL FUNCTIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Approve or remove the `operator` as an operator for `by`,
/// without authorization checks.
///
/// Emits a {ApprovalForAll} event.
function _setApprovalForAll(address by, address operator, bool isApproved) internal virtual {
/// @solidity memory-safe-assembly
assembly {
// Clear the upper 96 bits.
operator := shr(96, shl(96, operator))
// Convert to 0 or 1.
isApproved := iszero(iszero(isApproved))
// Update the `isApproved` for (`by`, `operator`).
mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, shl(96, by)))
mstore(0x00, operator)
sstore(keccak256(0x0c, 0x34), isApproved)
// Emit the {ApprovalForAll} event.
mstore(0x00, isApproved)
log3(0x00, 0x20, _APPROVAL_FOR_ALL_EVENT_SIGNATURE, caller(), operator)
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* INTERNAL TRANSFER FUNCTIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Equivalent to `_safeTransfer(address(0), from, to, id, amount, data)`.
function _safeTransfer(address from, address to, uint256 id, uint256 amount, bytes memory data)
internal
virtual
{
_safeTransfer(address(0), from, to, id, amount, data);
}
/// @dev Transfers `amount` of `id` from `from` to `to`.
///
/// Requirements:
/// - `to` cannot be the zero address.
/// - `from` must have at least `amount` of `id`.
/// - If `by` is not the zero address, it must be either `from`,
/// or approved to manage the tokens of `from`.
/// - If `to` refers to a smart contract, it must implement
/// {ERC1155-onERC1155Reveived}, which is called upon a batch transfer.
///
/// Emits a {Transfer} event.
function _safeTransfer(
address by,
address from,
address to,
uint256 id,
uint256 amount,
bytes memory data
) internal virtual {
if (_useBeforeTokenTransfer()) {
_beforeTokenTransfer(from, to, _single(id), _single(amount), data);
}
/// @solidity memory-safe-assembly
assembly {
let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from))
let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to))
mstore(0x20, fromSlotSeed)
// Clear the upper 96 bits.
from := shr(96, fromSlotSeed)
to := shr(96, toSlotSeed)
by := shr(96, shl(96, by))
// If `by` is not the zero address, and not equal to `from`,
// check if it is approved to manage all the tokens of `from`.
if iszero(or(iszero(by), eq(by, from))) {
mstore(0x00, by)
if iszero(sload(keccak256(0x0c, 0x34))) {
mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.
revert(0x1c, 0x04)
}
}
// Revert if `to` is the zero address.
if iszero(to) {
mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.
revert(0x1c, 0x04)
}
// Subtract and store the updated balance of `from`.
{
mstore(0x00, id)
let fromBalanceSlot := keccak256(0x00, 0x40)
let fromBalance := sload(fromBalanceSlot)
if gt(amount, fromBalance) {
mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.
revert(0x1c, 0x04)
}
sstore(fromBalanceSlot, sub(fromBalance, amount))
}
// Increase and store the updated balance of `to`.
{
mstore(0x20, toSlotSeed)
let toBalanceSlot := keccak256(0x00, 0x40)
let toBalanceBefore := sload(toBalanceSlot)
let toBalanceAfter := add(toBalanceBefore, amount)
if lt(toBalanceAfter, toBalanceBefore) {
mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.
revert(0x1c, 0x04)
}
sstore(toBalanceSlot, toBalanceAfter)
}
// Emit a {TransferSingle} event.
{
mstore(0x20, amount)
log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), from, to)
}
}
if (_hasCode(to)) _checkOnERC1155Received(from, to, id, amount, data);
if (_useAfterTokenTransfer()) {
_afterTokenTransfer(from, to, _single(id), _single(amount), data);
}
}
/// @dev Equivalent to `_safeBatchTransfer(address(0), from, to, ids, amounts, data)`.
function _safeBatchTransfer(
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {
_safeBatchTransfer(address(0), from, to, ids, amounts, data);
}
/// @dev Transfers `amounts` of `ids` from `from` to `to`.
///
/// Requirements:
/// - `to` cannot be the zero address.
/// - `ids` and `amounts` must have the same length.
/// - `from` must have at least `amounts` of `ids`.
/// - If `by` is not the zero address, it must be either `from`,
/// or approved to manage the tokens of `from`.
/// - If `to` refers to a smart contract, it must implement
/// {ERC1155-onERC1155BatchReveived}, which is called upon a batch transfer.
///
/// Emits a {TransferBatch} event.
function _safeBatchTransfer(
address by,
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {
if (_useBeforeTokenTransfer()) {
_beforeTokenTransfer(from, to, ids, amounts, data);
}
/// @solidity memory-safe-assembly
assembly {
if iszero(eq(mload(ids), mload(amounts))) {
mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.
revert(0x1c, 0x04)
}
let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from))
let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to))
mstore(0x20, fromSlotSeed)
// Clear the upper 96 bits.
from := shr(96, fromSlotSeed)
to := shr(96, toSlotSeed)
by := shr(96, shl(96, by))
// Revert if `to` is the zero address.
if iszero(to) {
mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.
revert(0x1c, 0x04)
}
// If `by` is not the zero address, and not equal to `from`,
// check if it is approved to manage all the tokens of `from`.
if iszero(or(iszero(by), eq(by, from))) {
mstore(0x00, by)
if iszero(sload(keccak256(0x0c, 0x34))) {
mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.
revert(0x1c, 0x04)
}
}
// Loop through all the `ids` and update the balances.
{
let end := shl(5, mload(ids))
for { let i := 0 } iszero(eq(i, end)) {} {
i := add(i, 0x20)
let amount := mload(add(amounts, i))
// Subtract and store the updated balance of `from`.
{
mstore(0x20, fromSlotSeed)
mstore(0x00, mload(add(ids, i)))
let fromBalanceSlot := keccak256(0x00, 0x40)
let fromBalance := sload(fromBalanceSlot)
if gt(amount, fromBalance) {
mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.
revert(0x1c, 0x04)
}
sstore(fromBalanceSlot, sub(fromBalance, amount))
}
// Increase and store the updated balance of `to`.
{
mstore(0x20, toSlotSeed)
let toBalanceSlot := keccak256(0x00, 0x40)
let toBalanceBefore := sload(toBalanceSlot)
let toBalanceAfter := add(toBalanceBefore, amount)
if lt(toBalanceAfter, toBalanceBefore) {
mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.
revert(0x1c, 0x04)
}
sstore(toBalanceSlot, toBalanceAfter)
}
}
}
// Emit a {TransferBatch} event.
{
let m := mload(0x40)
// Copy the `ids`.
mstore(m, 0x40)
let n := add(0x20, shl(5, mload(ids)))
let o := add(m, 0x40)
pop(staticcall(gas(), 4, ids, n, o, n))
// Copy the `amounts`.
mstore(add(m, 0x20), add(0x40, returndatasize()))
o := add(o, returndatasize())
n := add(0x20, shl(5, mload(amounts)))
pop(staticcall(gas(), 4, amounts, n, o, n))
n := sub(add(o, returndatasize()), m)
// Do the emit.
log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), from, to)
}
}
if (_hasCode(to)) _checkOnERC1155BatchReceived(from, to, ids, amounts, data);
if (_useAfterTokenTransfer()) {
_afterTokenTransfer(from, to, ids, amounts, data);
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* HOOKS FOR OVERRIDING */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Override this function to return true if `_beforeTokenTransfer` is used.
/// The is to help the compiler avoid producing dead bytecode.
function _useBeforeTokenTransfer() internal view virtual returns (bool) {
return false;
}
/// @dev Hook that is called before any token transfer.
/// This includes minting and burning, as well as batched variants.
///
/// The same hook is called on both single and batched variants.
/// For single transfers, the length of the `id` and `amount` arrays are 1.
function _beforeTokenTransfer(
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {}
/// @dev Override this function to return true if `_afterTokenTransfer` is used.
/// The is to help the compiler avoid producing dead bytecode.
function _useAfterTokenTransfer() internal view virtual returns (bool) {
return false;
}
/// @dev Hook that is called after any token transfer.
/// This includes minting and burning, as well as batched variants.
///
/// The same hook is called on both single and batched variants.
/// For single transfers, the length of the `id` and `amount` arrays are 1.
function _afterTokenTransfer(
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* PRIVATE HELPERS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Helper for calling the `_afterTokenTransfer` hook.
/// The is to help the compiler avoid producing dead bytecode.
function _afterTokenTransferCalldata(
address from,
address to,
uint256[] calldata ids,
uint256[] calldata amounts,
bytes calldata data
) private {
if (_useAfterTokenTransfer()) {
_afterTokenTransfer(from, to, ids, amounts, data);
}
}
/// @dev Returns if `a` has bytecode of non-zero length.
function _hasCode(address a) private view returns (bool result) {
/// @solidity memory-safe-assembly
assembly {
result := extcodesize(a) // Can handle dirty upper bits.
}
}
/// @dev Perform a call to invoke {IERC1155Receiver-onERC1155Received} on `to`.
/// Reverts if the target does not support the function correctly.
function _checkOnERC1155Received(
address from,
address to,
uint256 id,
uint256 amount,
bytes memory data
) private {
/// @solidity memory-safe-assembly
assembly {
// Prepare the calldata.
let m := mload(0x40)
let onERC1155ReceivedSelector := 0xf23a6e61
mstore(m, onERC1155ReceivedSelector)
mstore(add(m, 0x20), caller())
mstore(add(m, 0x40), shr(96, shl(96, from)))
mstore(add(m, 0x60), id)
mstore(add(m, 0x80), amount)
mstore(add(m, 0xa0), 0xa0)
let n := mload(data)
mstore(add(m, 0xc0), n)
if n { pop(staticcall(gas(), 4, add(data, 0x20), n, add(m, 0xe0), n)) }
// Revert if the call reverts.
if iszero(call(gas(), to, 0, add(m, 0x1c), add(0xc4, n), m, 0x20)) {
if returndatasize() {
// Bubble up the revert if the delegatecall reverts.
returndatacopy(0x00, 0x00, returndatasize())
revert(0x00, returndatasize())
}
mstore(m, 0)
}
// Load the returndata and compare it.
if iszero(eq(mload(m), shl(224, onERC1155ReceivedSelector))) {
mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.
revert(0x1c, 0x04)
}
}
}
/// @dev Perform a call to invoke {IERC1155Receiver-onERC1155BatchReceived} on `to`.
/// Reverts if the target does not support the function correctly.
function _checkOnERC1155BatchReceived(
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) private {
/// @solidity memory-safe-assembly
assembly {
// Prepare the calldata.
let m := mload(0x40)
let onERC1155BatchReceivedSelector := 0xbc197c81
mstore(m, onERC1155BatchReceivedSelector)
mstore(add(m, 0x20), caller())
mstore(add(m, 0x40), shr(96, shl(96, from)))
// Copy the `ids`.
mstore(add(m, 0x60), 0xa0)
let n := add(0x20, shl(5, mload(ids)))
let o := add(m, 0xc0)
pop(staticcall(gas(), 4, ids, n, o, n))
// Copy the `amounts`.
let s := add(0xa0, returndatasize())
mstore(add(m, 0x80), s)
o := add(o, returndatasize())
n := add(0x20, shl(5, mload(amounts)))
pop(staticcall(gas(), 4, amounts, n, o, n))
// Copy the `data`.
mstore(add(m, 0xa0), add(s, returndatasize()))
o := add(o, returndatasize())
n := add(0x20, mload(data))
pop(staticcall(gas(), 4, data, n, o, n))
n := sub(add(o, returndatasize()), add(m, 0x1c))
// Revert if the call reverts.
if iszero(call(gas(), to, 0, add(m, 0x1c), n, m, 0x20)) {
if returndatasize() {
// Bubble up the revert if the delegatecall reverts.
returndatacopy(0x00, 0x00, returndatasize())
revert(0x00, returndatasize())
}
mstore(m, 0)
}
// Load the returndata and compare it.
if iszero(eq(mload(m), shl(224, onERC1155BatchReceivedSelector))) {
mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.
revert(0x1c, 0x04)
}
}
}
/// @dev Returns `x` in an array with a single element.
function _single(uint256 x) private pure returns (uint256[] memory result) {
assembly {
result := mload(0x40)
mstore(0x40, add(result, 0x40))
mstore(result, 1)
mstore(add(result, 0x20), x)
}
}
}
// File: miladystationrejects/rejects.sol
/// @title miladystationrejects
/// @author arthurt
/// @notice !pray ✦✦✦
pragma solidity ^0.8.17;
contract MiladyStationRejects is ERC1155, Ownable {
error IDAmountMismatch();
error WalletUnauthorizedToMint();
error NotFriend();
error IncorrectValueSent();
error GreedyAlliance();
error FirmamentReached();
error NeedThree();
string public name = "Mony MissingNo.";
string public symbol = "MSX";
string public _uri;
bytes32 public root;
struct Token {
string name;
uint currentSupply;
}
uint256 public count;
mapping(uint => Token) public tokens;
mapping(address => bool) public holderMints;
constructor() {
_initializeOwner(msg.sender);
}
function setRoot(bytes32 newRoot) public onlyOwner {
root = newRoot;
}
function mintSingle(
uint id
) public payable {
if (count + 1 > 123) { revert FirmamentReached();}
if (msg.value != 7000000000000000) { revert IncorrectValueSent();}
_mint(msg.sender, id, 1, "");
tokens[id].currentSupply += 1;
count += 1;
}
function mintMerkleSingle(
bytes32[] calldata proof,
uint id
) public payable {
if (count + 3 > 123 || holderMints[msg.sender]) { revert FirmamentReached();}
if(proven(proof, root, leafit())){
_mint(msg.sender, id, 3, "");
tokens[id].currentSupply += 3;
count += 3;
holderMints[msg.sender] = true;
} else {
revert WalletUnauthorizedToMint();
}
}
function mintBatch(
uint[] calldata ids,
uint[] calldata amounts
) external payable {
if(ids.length != amounts.length) revert IDAmountMismatch();
uint256 _amt;
uint totalEtherPrice;
for (uint i = 0; i < ids.length; i++) {
totalEtherPrice += amounts[i] * 7000000000000000;
_amt += amounts[i];
}
if (count + _amt > 123) { revert FirmamentReached();}
if (msg.value != totalEtherPrice) { revert IncorrectValueSent();}
_batchMint(msg.sender, ids, amounts, "");
for (uint i = 0; i < ids.length; i++) {
tokens[ids[i]].currentSupply += amounts[i];
}
count += _amt;
}
function mintMerkleBatch(
bytes32[] calldata proof,
uint[] calldata ids
) external payable {
if(ids.length != 3) revert NeedThree();
uint256 amt = 1;
uint256[] memory amts = new uint256[](3);
amts[0] = amt;
amts[1] = amt;
amts[2] = amt;
if (count + 3 > 123 || holderMints[msg.sender]) { revert FirmamentReached();}
if(proven(proof, root, leafit())){
_batchMint(msg.sender, ids, amts, "");
for (uint i = 0; i < ids.length; i++) {
tokens[ids[i]].currentSupply += 1;
}
count += 3;
holderMints[msg.sender] = true;
} else {
revert WalletUnauthorizedToMint();
}
}
//uses solady merkleprooflib to prove a merkle proof proves merkleness
function proven (bytes32[] calldata proof, bytes32 key, bytes32 leaf) public pure returns (bool) {
bool prove = MerkleProofLib.verifyCalldata(proof, key, leaf);
return prove;
}
//hashes person interacting for merkling
function leafit() public view returns (bytes32) {
bytes20 me = bytes20(msg.sender);
return keccak256(abi.encodePacked(me));
}
/// solady override with token id
function uri(uint256) public view virtual override returns (string memory) {
return _uri;
}
function setURI(string memory newuri) external onlyOwner {
_uri = newuri;
}
function withdraw() external onlyOwner {
uint balance = address(this).balance;
payable(msg.sender).transfer(balance);
}
}Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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Creation Code
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Swarm Source
ipfs://1d5e3737c19518835f6d145d034f7d2173eb405acc8dc3d2a78c0c90f3711b18
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