编译器
0.8.13+commit.abaa5c0e
文件 1 的 18：ArtGobblers.sol
pragma solidity >=0.8.0;
import {Owned} from "solmate/auth/Owned.sol";
import {ERC721} from "solmate/tokens/ERC721.sol";
import {LibString} from "solmate/utils/LibString.sol";
import {MerkleProofLib} from "solmate/utils/MerkleProofLib.sol";
import {FixedPointMathLib} from "solmate/utils/FixedPointMathLib.sol";
import {ERC1155, ERC1155TokenReceiver} from "solmate/tokens/ERC1155.sol";
import {toWadUnsafe, toDaysWadUnsafe} from "solmate/utils/SignedWadMath.sol";
import {LibGOO} from "goo-issuance/LibGOO.sol";
import {LogisticVRGDA} from "VRGDAs/LogisticVRGDA.sol";
import {RandProvider} from "./utils/rand/RandProvider.sol";
import {GobblersERC721} from "./utils/token/GobblersERC721.sol";
import {Goo} from "./Goo.sol";
import {Pages} from "./Pages.sol";
contract ArtGobblers is GobblersERC721, LogisticVRGDA, Owned, ERC1155TokenReceiver {
using LibString for uint256;
using FixedPointMathLib for uint256;
Goo public immutable goo;
Pages public immutable pages;
address public immutable team;
address public immutable community;
RandProvider public randProvider;
uint256 public constant MAX_SUPPLY = 10000;
uint256 public constant MINTLIST_SUPPLY = 2000;
uint256 public constant LEGENDARY_SUPPLY = 10;
uint256 public constant RESERVED_SUPPLY = (MAX_SUPPLY - MINTLIST_SUPPLY - LEGENDARY_SUPPLY) / 5;
uint256 public constant MAX_MINTABLE = MAX_SUPPLY
- MINTLIST_SUPPLY
- LEGENDARY_SUPPLY
- RESERVED_SUPPLY;
bytes32 public immutable PROVENANCE_HASH;
string public UNREVEALED_URI;
string public BASE_URI;
bytes32 public immutable merkleRoot;
mapping(address => bool) public hasClaimedMintlistGobbler;
uint256 public immutable mintStart;
uint128 public numMintedFromGoo;
uint128 public currentNonLegendaryId;
uint256 public numMintedForReserves;
uint256 public constant LEGENDARY_GOBBLER_INITIAL_START_PRICE = 69;
uint256 public constant FIRST_LEGENDARY_GOBBLER_ID = MAX_SUPPLY - LEGENDARY_SUPPLY + 1;
uint256 public constant LEGENDARY_AUCTION_INTERVAL = MAX_MINTABLE / (LEGENDARY_SUPPLY + 1);
struct LegendaryGobblerAuctionData {
uint128 startPrice;
uint128 numSold;
}
LegendaryGobblerAuctionData public legendaryGobblerAuctionData;
struct GobblerRevealsData {
uint64 randomSeed;
uint64 nextRevealTimestamp;
uint64 lastRevealedId;
uint56 toBeRevealed;
bool waitingForSeed;
}
GobblerRevealsData public gobblerRevealsData;
mapping(uint256 => mapping(address => mapping(uint256 => uint256))) public getCopiesOfArtGobbledByGobbler;
event GooBalanceUpdated(address indexed user, uint256 newGooBalance);
event GobblerClaimed(address indexed user, uint256 indexed gobblerId);
event GobblerPurchased(address indexed user, uint256 indexed gobblerId, uint256 price);
event LegendaryGobblerMinted(address indexed user, uint256 indexed gobblerId, uint256[] burnedGobblerIds);
event ReservedGobblersMinted(address indexed user, uint256 lastMintedGobblerId, uint256 numGobblersEach);
event RandomnessFulfilled(uint256 randomness);
event RandomnessRequested(address indexed user, uint256 toBeRevealed);
event RandProviderUpgraded(address indexed user, RandProvider indexed newRandProvider);
event GobblersRevealed(address indexed user, uint256 numGobblers, uint256 lastRevealedId);
event ArtGobbled(address indexed user, uint256 indexed gobblerId, address indexed nft, uint256 id);
error InvalidProof();
error AlreadyClaimed();
error MintStartPending();
error SeedPending();
error RevealsPending();
error RequestTooEarly();
error ZeroToBeRevealed();
error NotRandProvider();
error ReserveImbalance();
error Cannibalism();
error OwnerMismatch(address owner);
error NoRemainingLegendaryGobblers();
error CannotBurnLegendary(uint256 gobblerId);
error InsufficientGobblerAmount(uint256 cost);
error LegendaryAuctionNotStarted(uint256 gobblersLeft);
error PriceExceededMax(uint256 currentPrice);
error NotEnoughRemainingToBeRevealed(uint256 totalRemainingToBeRevealed);
error UnauthorizedCaller(address caller);
constructor(
bytes32 _merkleRoot,
uint256 _mintStart,
Goo _goo,
Pages _pages,
address _team,
address _community,
RandProvider _randProvider,
string memory _baseUri,
string memory _unrevealedUri,
bytes32 _provenanceHash
)
GobblersERC721("Art Gobblers", "GOBBLER")
Owned(msg.sender)
LogisticVRGDA(
69.42e18,
0.31e18,
toWadUnsafe(MAX_MINTABLE),
0.0023e18
)
{
mintStart = _mintStart;
merkleRoot = _merkleRoot;
goo = _goo;
pages = _pages;
team = _team;
community = _community;
randProvider = _randProvider;
BASE_URI = _baseUri;
UNREVEALED_URI = _unrevealedUri;
PROVENANCE_HASH = _provenanceHash;
legendaryGobblerAuctionData.startPrice = uint128(LEGENDARY_GOBBLER_INITIAL_START_PRICE);
gobblerRevealsData.nextRevealTimestamp = uint64(_mintStart + 1 days);
}
function claimGobbler(bytes32[] calldata proof) external returns (uint256 gobblerId) {
if (mintStart > block.timestamp) revert MintStartPending();
if (hasClaimedMintlistGobbler[msg.sender]) revert AlreadyClaimed();
if (!MerkleProofLib.verify(proof, merkleRoot, keccak256(abi.encodePacked(msg.sender)))) revert InvalidProof();
hasClaimedMintlistGobbler[msg.sender] = true;
unchecked {
emit GobblerClaimed(msg.sender, gobblerId = ++currentNonLegendaryId);
}
_mint(msg.sender, gobblerId);
}
function mintFromGoo(uint256 maxPrice, bool useVirtualBalance) external returns (uint256 gobblerId) {
uint256 currentPrice = gobblerPrice();
if (currentPrice > maxPrice) revert PriceExceededMax(currentPrice);
useVirtualBalance
? updateUserGooBalance(msg.sender, currentPrice, GooBalanceUpdateType.DECREASE)
: goo.burnForGobblers(msg.sender, currentPrice);
unchecked {
++numMintedFromGoo;
emit GobblerPurchased(msg.sender, gobblerId = ++currentNonLegendaryId, currentPrice);
}
_mint(msg.sender, gobblerId);
}
function gobblerPrice() public view returns (uint256) {
uint256 timeSinceStart = block.timestamp - mintStart;
return getVRGDAPrice(toDaysWadUnsafe(timeSinceStart), numMintedFromGoo);
}
function mintLegendaryGobbler(uint256[] calldata gobblerIds) external returns (uint256 gobblerId) {
uint256 numSold = legendaryGobblerAuctionData.numSold;
gobblerId = FIRST_LEGENDARY_GOBBLER_ID + numSold;
uint256 cost = legendaryGobblerPrice();
if (gobblerIds.length < cost) revert InsufficientGobblerAmount(cost);
unchecked {
uint256 burnedMultipleTotal;
uint256 id;
for (uint256 i = 0; i < cost; ++i) {
id = gobblerIds[i];
if (id >= FIRST_LEGENDARY_GOBBLER_ID) revert CannotBurnLegendary(id);
GobblerData storage gobbler = getGobblerData[id];
require(gobbler.owner == msg.sender, "WRONG_FROM");
burnedMultipleTotal += gobbler.emissionMultiple;
delete getApproved[id];
emit Transfer(msg.sender, gobbler.owner = address(0), id);
}
getGobblerData[gobblerId].emissionMultiple = uint32(burnedMultipleTotal * 2);
getUserData[msg.sender].lastBalance = uint128(gooBalance(msg.sender));
getUserData[msg.sender].lastTimestamp = uint64(block.timestamp);
getUserData[msg.sender].emissionMultiple += uint32(burnedMultipleTotal);
getUserData[msg.sender].gobblersOwned -= uint32(cost);
legendaryGobblerAuctionData.startPrice = uint128(
cost <= LEGENDARY_GOBBLER_INITIAL_START_PRICE / 2 ? LEGENDARY_GOBBLER_INITIAL_START_PRICE : cost * 2
);
legendaryGobblerAuctionData.numSold = uint128(numSold + 1);
emit LegendaryGobblerMinted(msg.sender, gobblerId, gobblerIds[:cost]);
_mint(msg.sender, gobblerId);
}
}
function legendaryGobblerPrice() public view returns (uint256) {
uint256 startPrice = legendaryGobblerAuctionData.startPrice;
uint256 numSold = legendaryGobblerAuctionData.numSold;
if (numSold == LEGENDARY_SUPPLY) revert NoRemainingLegendaryGobblers();
unchecked {
uint256 mintedFromGoo = numMintedFromGoo;
uint256 numMintedAtStart = (numSold + 1) * LEGENDARY_AUCTION_INTERVAL;
if (numMintedAtStart > mintedFromGoo) revert LegendaryAuctionNotStarted(numMintedAtStart - mintedFromGoo);
uint256 numMintedSinceStart = mintedFromGoo - numMintedAtStart;
if (numMintedSinceStart >= LEGENDARY_AUCTION_INTERVAL) return 0;
else return FixedPointMathLib.unsafeDivUp(startPrice * (LEGENDARY_AUCTION_INTERVAL - numMintedSinceStart), LEGENDARY_AUCTION_INTERVAL);
}
}
function requestRandomSeed() external returns (bytes32) {
uint256 nextRevealTimestamp = gobblerRevealsData.nextRevealTimestamp;
if (block.timestamp < nextRevealTimestamp) revert RequestTooEarly();
if (gobblerRevealsData.toBeRevealed != 0) revert RevealsPending();
unchecked {
gobblerRevealsData.waitingForSeed = true;
uint256 toBeRevealed = currentNonLegendaryId - gobblerRevealsData.lastRevealedId;
if (toBeRevealed == 0) revert ZeroToBeRevealed();
gobblerRevealsData.toBeRevealed = uint56(toBeRevealed);
gobblerRevealsData.nextRevealTimestamp = uint64(nextRevealTimestamp + 1 days);
emit RandomnessRequested(msg.sender, toBeRevealed);
}
return randProvider.requestRandomBytes();
}
function acceptRandomSeed(bytes32, uint256 randomness) external {
if (msg.sender != address(randProvider)) revert NotRandProvider();
gobblerRevealsData.randomSeed = uint64(randomness);
gobblerRevealsData.waitingForSeed = false;
emit RandomnessFulfilled(randomness);
}
function upgradeRandProvider(RandProvider newRandProvider) external onlyOwner {
if (gobblerRevealsData.waitingForSeed) {
gobblerRevealsData.waitingForSeed = false;
gobblerRevealsData.toBeRevealed = 0;
gobblerRevealsData.nextRevealTimestamp -= 1 days;
}
randProvider = newRandProvider;
emit RandProviderUpgraded(msg.sender, newRandProvider);
}
function revealGobblers(uint256 numGobblers) external {
uint256 randomSeed = gobblerRevealsData.randomSeed;
uint256 lastRevealedId = gobblerRevealsData.lastRevealedId;
uint256 totalRemainingToBeRevealed = gobblerRevealsData.toBeRevealed;
if (gobblerRevealsData.waitingForSeed) revert SeedPending();
if (numGobblers > totalRemainingToBeRevealed) revert NotEnoughRemainingToBeRevealed(totalRemainingToBeRevealed);
unchecked {
for (uint256 i = 0; i < numGobblers; ++i) {
uint256 remainingIds = FIRST_LEGENDARY_GOBBLER_ID - lastRevealedId - 1;
uint256 distance = randomSeed % remainingIds;
uint256 currentId = ++lastRevealedId;
uint256 swapId = currentId + distance;
uint64 swapIndex = getGobblerData[swapId].idx == 0
? uint64(swapId)
: getGobblerData[swapId].idx;
address currentIdOwner = getGobblerData[currentId].owner;
uint64 currentIndex = getGobblerData[currentId].idx == 0
? uint64(currentId)
: getGobblerData[currentId].idx;
uint256 newCurrentIdMultiple = 9;
assembly {
newCurrentIdMultiple := sub(sub(sub(
newCurrentIdMultiple,
lt(swapIndex, 7964)),
lt(swapIndex, 5673)),
lt(swapIndex, 3055)
)
}
getGobblerData[currentId].idx = swapIndex;
getGobblerData[currentId].emissionMultiple = uint32(newCurrentIdMultiple);
getGobblerData[swapId].idx = currentIndex;
getUserData[currentIdOwner].lastBalance = uint128(gooBalance(currentIdOwner));
getUserData[currentIdOwner].lastTimestamp = uint64(block.timestamp);
getUserData[currentIdOwner].emissionMultiple += uint32(newCurrentIdMultiple);
assembly {
mstore(0, randomSeed)
randomSeed := mod(keccak256(0, 32), exp(2, 64))
}
}
gobblerRevealsData.randomSeed = uint64(randomSeed);
gobblerRevealsData.lastRevealedId = uint64(lastRevealedId);
gobblerRevealsData.toBeRevealed = uint56(totalRemainingToBeRevealed - numGobblers);
emit GobblersRevealed(msg.sender, numGobblers, lastRevealedId);
}
}
function tokenURI(uint256 gobblerId) public view virtual override returns (string memory) {
if (gobblerId <= gobblerRevealsData.lastRevealedId) {
if (gobblerId == 0) revert("NOT_MINTED");
return string.concat(BASE_URI, uint256(getGobblerData[gobblerId].idx).toString());
}
if (gobblerId <= currentNonLegendaryId) return UNREVEALED_URI;
if (gobblerId < FIRST_LEGENDARY_GOBBLER_ID) revert("NOT_MINTED");
if (gobblerId < FIRST_LEGENDARY_GOBBLER_ID + legendaryGobblerAuctionData.numSold)
return string.concat(BASE_URI, gobblerId.toString());
revert("NOT_MINTED");
}
function gobble(
uint256 gobblerId,
address nft,
uint256 id,
bool isERC1155
) external {
address owner = getGobblerData[gobblerId].owner;
if (owner != msg.sender) revert OwnerMismatch(owner);
if (nft == address(this)) revert Cannibalism();
unchecked {
++getCopiesOfArtGobbledByGobbler[gobblerId][nft][id];
}
emit ArtGobbled(msg.sender, gobblerId, nft, id);
isERC1155
? ERC1155(nft).safeTransferFrom(msg.sender, address(this), id, 1, "")
: ERC721(nft).transferFrom(msg.sender, address(this), id);
}
function gooBalance(address user) public view returns (uint256) {
return LibGOO.computeGOOBalance(
getUserData[user].emissionMultiple,
getUserData[user].lastBalance,
uint256(toDaysWadUnsafe(block.timestamp - getUserData[user].lastTimestamp))
);
}
function addGoo(uint256 gooAmount) external {
goo.burnForGobblers(msg.sender, gooAmount);
updateUserGooBalance(msg.sender, gooAmount, GooBalanceUpdateType.INCREASE);
}
function removeGoo(uint256 gooAmount) external {
updateUserGooBalance(msg.sender, gooAmount, GooBalanceUpdateType.DECREASE);
goo.mintForGobblers(msg.sender, gooAmount);
}
function burnGooForPages(address user, uint256 gooAmount) external {
if (msg.sender != address(pages)) revert UnauthorizedCaller(msg.sender);
updateUserGooBalance(user, gooAmount, GooBalanceUpdateType.DECREASE);
}
enum GooBalanceUpdateType {
INCREASE,
DECREASE
}
function updateUserGooBalance(
address user,
uint256 gooAmount,
GooBalanceUpdateType updateType
) internal {
uint256 updatedBalance = updateType == GooBalanceUpdateType.INCREASE
? gooBalance(user) + gooAmount
: gooBalance(user) - gooAmount;
getUserData[user].lastBalance = uint128(updatedBalance);
getUserData[user].lastTimestamp = uint64(block.timestamp);
emit GooBalanceUpdated(user, updatedBalance);
}
function mintReservedGobblers(uint256 numGobblersEach) external returns (uint256 lastMintedGobblerId) {
unchecked {
uint256 newNumMintedForReserves = numMintedForReserves += (numGobblersEach * 2);
if (newNumMintedForReserves > (numMintedFromGoo + newNumMintedForReserves) / 5) revert ReserveImbalance();
}
lastMintedGobblerId = _batchMint(team, numGobblersEach, currentNonLegendaryId);
lastMintedGobblerId = _batchMint(community, numGobblersEach, lastMintedGobblerId);
currentNonLegendaryId = uint128(lastMintedGobblerId);
emit ReservedGobblersMinted(msg.sender, lastMintedGobblerId, numGobblersEach);
}
function getGobblerEmissionMultiple(uint256 gobblerId) external view returns (uint256) {
return getGobblerData[gobblerId].emissionMultiple;
}
function getUserEmissionMultiple(address user) external view returns (uint256) {
return getUserData[user].emissionMultiple;
}
function transferFrom(
address from,
address to,
uint256 id
) public override {
require(from == getGobblerData[id].owner, "WRONG_FROM");
require(to != address(0), "INVALID_RECIPIENT");
require(
msg.sender == from || isApprovedForAll[from][msg.sender] || msg.sender == getApproved[id],
"NOT_AUTHORIZED"
);
delete getApproved[id];
getGobblerData[id].owner = to;
unchecked {
uint32 emissionMultiple = getGobblerData[id].emissionMultiple;
getUserData[from].lastBalance = uint128(gooBalance(from));
getUserData[from].lastTimestamp = uint64(block.timestamp);
getUserData[from].emissionMultiple -= emissionMultiple;
getUserData[from].gobblersOwned -= 1;
getUserData[to].lastBalance = uint128(gooBalance(to));
getUserData[to].lastTimestamp = uint64(block.timestamp);
getUserData[to].emissionMultiple += emissionMultiple;
getUserData[to].gobblersOwned += 1;
}
emit Transfer(from, to, id);
}
}
文件 2 的 18：ERC1155.sol
pragma solidity >=0.8.0;
abstract contract ERC1155 {
event TransferSingle(
address indexed operator,
address indexed from,
address indexed to,
uint256 id,
uint256 amount
);
event TransferBatch(
address indexed operator,
address indexed from,
address indexed to,
uint256[] ids,
uint256[] amounts
);
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
event URI(string value, uint256 indexed id);
mapping(address => mapping(uint256 => uint256)) public balanceOf;
mapping(address => mapping(address => bool)) public isApprovedForAll;
function uri(uint256 id) public view virtual returns (string memory);
function setApprovalForAll(address operator, bool approved) public virtual {
isApprovedForAll[msg.sender][operator] = approved;
emit ApprovalForAll(msg.sender, operator, approved);
}
function safeTransferFrom(
address from,
address to,
uint256 id,
uint256 amount,
bytes calldata data
) public virtual {
require(msg.sender == from || isApprovedForAll[from][msg.sender], "NOT_AUTHORIZED");
balanceOf[from][id] -= amount;
balanceOf[to][id] += amount;
emit TransferSingle(msg.sender, from, to, id, amount);
require(
to.code.length == 0
? to != address(0)
: ERC1155TokenReceiver(to).onERC1155Received(msg.sender, from, id, amount, data) ==
ERC1155TokenReceiver.onERC1155Received.selector,
"UNSAFE_RECIPIENT"
);
}
function safeBatchTransferFrom(
address from,
address to,
uint256[] calldata ids,
uint256[] calldata amounts,
bytes calldata data
) public virtual {
require(ids.length == amounts.length, "LENGTH_MISMATCH");
require(msg.sender == from || isApprovedForAll[from][msg.sender], "NOT_AUTHORIZED");
uint256 id;
uint256 amount;
for (uint256 i = 0; i < ids.length; ) {
id = ids[i];
amount = amounts[i];
balanceOf[from][id] -= amount;
balanceOf[to][id] += amount;
unchecked {
++i;
}
}
emit TransferBatch(msg.sender, from, to, ids, amounts);
require(
to.code.length == 0
? to != address(0)
: ERC1155TokenReceiver(to).onERC1155BatchReceived(msg.sender, from, ids, amounts, data) ==
ERC1155TokenReceiver.onERC1155BatchReceived.selector,
"UNSAFE_RECIPIENT"
);
}
function balanceOfBatch(address[] calldata owners, uint256[] calldata ids)
public
view
virtual
returns (uint256[] memory balances)
{
require(owners.length == ids.length, "LENGTH_MISMATCH");
balances = new uint256[](owners.length);
unchecked {
for (uint256 i = 0; i < owners.length; ++i) {
balances[i] = balanceOf[owners[i]][ids[i]];
}
}
}
function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
return
interfaceId == 0x01ffc9a7 ||
interfaceId == 0xd9b67a26 ||
interfaceId == 0x0e89341c;
}
function _mint(
address to,
uint256 id,
uint256 amount,
bytes memory data
) internal virtual {
balanceOf[to][id] += amount;
emit TransferSingle(msg.sender, address(0), to, id, amount);
require(
to.code.length == 0
? to != address(0)
: ERC1155TokenReceiver(to).onERC1155Received(msg.sender, address(0), id, amount, data) ==
ERC1155TokenReceiver.onERC1155Received.selector,
"UNSAFE_RECIPIENT"
);
}
function _batchMint(
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {
uint256 idsLength = ids.length;
require(idsLength == amounts.length, "LENGTH_MISMATCH");
for (uint256 i = 0; i < idsLength; ) {
balanceOf[to][ids[i]] += amounts[i];
unchecked {
++i;
}
}
emit TransferBatch(msg.sender, address(0), to, ids, amounts);
require(
to.code.length == 0
? to != address(0)
: ERC1155TokenReceiver(to).onERC1155BatchReceived(msg.sender, address(0), ids, amounts, data) ==
ERC1155TokenReceiver.onERC1155BatchReceived.selector,
"UNSAFE_RECIPIENT"
);
}
function _batchBurn(
address from,
uint256[] memory ids,
uint256[] memory amounts
) internal virtual {
uint256 idsLength = ids.length;
require(idsLength == amounts.length, "LENGTH_MISMATCH");
for (uint256 i = 0; i < idsLength; ) {
balanceOf[from][ids[i]] -= amounts[i];
unchecked {
++i;
}
}
emit TransferBatch(msg.sender, from, address(0), ids, amounts);
}
function _burn(
address from,
uint256 id,
uint256 amount
) internal virtual {
balanceOf[from][id] -= amount;
emit TransferSingle(msg.sender, from, address(0), id, amount);
}
}
abstract contract ERC1155TokenReceiver {
function onERC1155Received(
address,
address,
uint256,
uint256,
bytes calldata
) external virtual returns (bytes4) {
return ERC1155TokenReceiver.onERC1155Received.selector;
}
function onERC1155BatchReceived(
address,
address,
uint256[] calldata,
uint256[] calldata,
bytes calldata
) external virtual returns (bytes4) {
return ERC1155TokenReceiver.onERC1155BatchReceived.selector;
}
}
文件 3 的 18：ERC20.sol
pragma solidity >=0.8.0;
abstract contract ERC20 {
event Transfer(address indexed from, address indexed to, uint256 amount);
event Approval(address indexed owner, address indexed spender, uint256 amount);
string public name;
string public symbol;
uint8 public immutable decimals;
uint256 public totalSupply;
mapping(address => uint256) public balanceOf;
mapping(address => mapping(address => uint256)) public allowance;
uint256 internal immutable INITIAL_CHAIN_ID;
bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;
mapping(address => uint256) public nonces;
constructor(
string memory _name,
string memory _symbol,
uint8 _decimals
) {
name = _name;
symbol = _symbol;
decimals = _decimals;
INITIAL_CHAIN_ID = block.chainid;
INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();
}
function approve(address spender, uint256 amount) public virtual returns (bool) {
allowance[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function transfer(address to, uint256 amount) public virtual returns (bool) {
balanceOf[msg.sender] -= amount;
unchecked {
balanceOf[to] += amount;
}
emit Transfer(msg.sender, to, amount);
return true;
}
function transferFrom(
address from,
address to,
uint256 amount
) public virtual returns (bool) {
uint256 allowed = allowance[from][msg.sender];
if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;
balanceOf[from] -= amount;
unchecked {
balanceOf[to] += amount;
}
emit Transfer(from, to, amount);
return true;
}
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) public virtual {
require(deadline >= block.timestamp, "PERMIT_DEADLINE_EXPIRED");
unchecked {
address recoveredAddress = ecrecover(
keccak256(
abi.encodePacked(
"\x19\x01",
DOMAIN_SEPARATOR(),
keccak256(
abi.encode(
keccak256(
"Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"
),
owner,
spender,
value,
nonces[owner]++,
deadline
)
)
)
),
v,
r,
s
);
require(recoveredAddress != address(0) && recoveredAddress == owner, "INVALID_SIGNER");
allowance[recoveredAddress][spender] = value;
}
emit Approval(owner, spender, value);
}
function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {
return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator();
}
function computeDomainSeparator() internal view virtual returns (bytes32) {
return
keccak256(
abi.encode(
keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"),
keccak256(bytes(name)),
keccak256("1"),
block.chainid,
address(this)
)
);
}
function _mint(address to, uint256 amount) internal virtual {
totalSupply += amount;
unchecked {
balanceOf[to] += amount;
}
emit Transfer(address(0), to, amount);
}
function _burn(address from, uint256 amount) internal virtual {
balanceOf[from] -= amount;
unchecked {
totalSupply -= amount;
}
emit Transfer(from, address(0), amount);
}
}
文件 4 的 18：ERC721.sol
pragma solidity >=0.8.0;
abstract contract ERC721 {
event Transfer(address indexed from, address indexed to, uint256 indexed id);
event Approval(address indexed owner, address indexed spender, uint256 indexed id);
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
string public name;
string public symbol;
function tokenURI(uint256 id) public view virtual returns (string memory);
mapping(uint256 => address) internal _ownerOf;
mapping(address => uint256) internal _balanceOf;
function ownerOf(uint256 id) public view virtual returns (address owner) {
require((owner = _ownerOf[id]) != address(0), "NOT_MINTED");
}
function balanceOf(address owner) public view virtual returns (uint256) {
require(owner != address(0), "ZERO_ADDRESS");
return _balanceOf[owner];
}
mapping(uint256 => address) public getApproved;
mapping(address => mapping(address => bool)) public isApprovedForAll;
constructor(string memory _name, string memory _symbol) {
name = _name;
symbol = _symbol;
}
function approve(address spender, uint256 id) public virtual {
address owner = _ownerOf[id];
require(msg.sender == owner || isApprovedForAll[owner][msg.sender], "NOT_AUTHORIZED");
getApproved[id] = spender;
emit Approval(owner, spender, id);
}
function setApprovalForAll(address operator, bool approved) public virtual {
isApprovedForAll[msg.sender][operator] = approved;
emit ApprovalForAll(msg.sender, operator, approved);
}
function transferFrom(
address from,
address to,
uint256 id
) public virtual {
require(from == _ownerOf[id], "WRONG_FROM");
require(to != address(0), "INVALID_RECIPIENT");
require(
msg.sender == from || isApprovedForAll[from][msg.sender] || msg.sender == getApproved[id],
"NOT_AUTHORIZED"
);
unchecked {
_balanceOf[from]--;
_balanceOf[to]++;
}
_ownerOf[id] = to;
delete getApproved[id];
emit Transfer(from, to, id);
}
function safeTransferFrom(
address from,
address to,
uint256 id
) public virtual {
transferFrom(from, to, id);
require(
to.code.length == 0 ||
ERC721TokenReceiver(to).onERC721Received(msg.sender, from, id, "") ==
ERC721TokenReceiver.onERC721Received.selector,
"UNSAFE_RECIPIENT"
);
}
function safeTransferFrom(
address from,
address to,
uint256 id,
bytes calldata data
) public virtual {
transferFrom(from, to, id);
require(
to.code.length == 0 ||
ERC721TokenReceiver(to).onERC721Received(msg.sender, from, id, data) ==
ERC721TokenReceiver.onERC721Received.selector,
"UNSAFE_RECIPIENT"
);
}
function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
return
interfaceId == 0x01ffc9a7 ||
interfaceId == 0x80ac58cd ||
interfaceId == 0x5b5e139f;
}
function _mint(address to, uint256 id) internal virtual {
require(to != address(0), "INVALID_RECIPIENT");
require(_ownerOf[id] == address(0), "ALREADY_MINTED");
unchecked {
_balanceOf[to]++;
}
_ownerOf[id] = to;
emit Transfer(address(0), to, id);
}
function _burn(uint256 id) internal virtual {
address owner = _ownerOf[id];
require(owner != address(0), "NOT_MINTED");
unchecked {
_balanceOf[owner]--;
}
delete _ownerOf[id];
delete getApproved[id];
emit Transfer(owner, address(0), id);
}
function _safeMint(address to, uint256 id) internal virtual {
_mint(to, id);
require(
to.code.length == 0 ||
ERC721TokenReceiver(to).onERC721Received(msg.sender, address(0), id, "") ==
ERC721TokenReceiver.onERC721Received.selector,
"UNSAFE_RECIPIENT"
);
}
function _safeMint(
address to,
uint256 id,
bytes memory data
) internal virtual {
_mint(to, id);
require(
to.code.length == 0 ||
ERC721TokenReceiver(to).onERC721Received(msg.sender, address(0), id, data) ==
ERC721TokenReceiver.onERC721Received.selector,
"UNSAFE_RECIPIENT"
);
}
}
abstract contract ERC721TokenReceiver {
function onERC721Received(
address,
address,
uint256,
bytes calldata
) external virtual returns (bytes4) {
return ERC721TokenReceiver.onERC721Received.selector;
}
}
文件 5 的 18：FixedPointMathLib.sol
pragma solidity >=0.8.0;
library FixedPointMathLib {
uint256 internal constant MAX_UINT256 = 2**256 - 1;
uint256 internal constant WAD = 1e18;
function mulWadDown(uint256 x, uint256 y) internal pure returns (uint256) {
return mulDivDown(x, y, WAD);
}
function mulWadUp(uint256 x, uint256 y) internal pure returns (uint256) {
return mulDivUp(x, y, WAD);
}
function divWadDown(uint256 x, uint256 y) internal pure returns (uint256) {
return mulDivDown(x, WAD, y);
}
function divWadUp(uint256 x, uint256 y) internal pure returns (uint256) {
return mulDivUp(x, WAD, y);
}
function mulDivDown(
uint256 x,
uint256 y,
uint256 denominator
) internal pure returns (uint256 z) {
assembly {
if iszero(mul(denominator, iszero(mul(y, gt(x, div(MAX_UINT256, y)))))) {
revert(0, 0)
}
z := div(mul(x, y), denominator)
}
}
function mulDivUp(
uint256 x,
uint256 y,
uint256 denominator
) internal pure returns (uint256 z) {
assembly {
if iszero(mul(denominator, iszero(mul(y, gt(x, div(MAX_UINT256, y)))))) {
revert(0, 0)
}
z := add(gt(mod(mul(x, y), denominator), 0), div(mul(x, y), denominator))
}
}
function rpow(
uint256 x,
uint256 n,
uint256 scalar
) internal pure returns (uint256 z) {
assembly {
switch x
case 0 {
switch n
case 0 {
z := scalar
}
default {
z := 0
}
}
default {
switch mod(n, 2)
case 0 {
z := scalar
}
default {
z := x
}
let half := shr(1, scalar)
for {
n := shr(1, n)
} n {
n := shr(1, n)
} {
if shr(128, x) {
revert(0, 0)
}
let xx := mul(x, x)
let xxRound := add(xx, half)
if lt(xxRound, xx) {
revert(0, 0)
}
x := div(xxRound, scalar)
if mod(n, 2) {
let zx := mul(z, x)
if iszero(eq(div(zx, x), z)) {
if iszero(iszero(x)) {
revert(0, 0)
}
}
let zxRound := add(zx, half)
if lt(zxRound, zx) {
revert(0, 0)
}
z := div(zxRound, scalar)
}
}
}
}
}
function sqrt(uint256 x) internal pure returns (uint256 z) {
assembly {
let y := x
z := 181
if iszero(lt(y, 0x10000000000000000000000000000000000)) {
y := shr(128, y)
z := shl(64, z)
}
if iszero(lt(y, 0x1000000000000000000)) {
y := shr(64, y)
z := shl(32, z)
}
if iszero(lt(y, 0x10000000000)) {
y := shr(32, y)
z := shl(16, z)
}
if iszero(lt(y, 0x1000000)) {
y := shr(16, y)
z := shl(8, z)
}
z := shr(18, mul(z, add(y, 65536)))
z := shr(1, add(z, div(x, z)))
z := shr(1, add(z, div(x, z)))
z := shr(1, add(z, div(x, z)))
z := shr(1, add(z, div(x, z)))
z := shr(1, add(z, div(x, z)))
z := shr(1, add(z, div(x, z)))
z := shr(1, add(z, div(x, z)))
z := sub(z, lt(div(x, z), z))
}
}
function unsafeMod(uint256 x, uint256 y) internal pure returns (uint256 z) {
assembly {
z := mod(x, y)
}
}
function unsafeDiv(uint256 x, uint256 y) internal pure returns (uint256 r) {
assembly {
r := div(x, y)
}
}
function unsafeDivUp(uint256 x, uint256 y) internal pure returns (uint256 z) {
assembly {
z := add(gt(mod(x, y), 0), div(x, y))
}
}
}
文件 6 的 18：GobblersERC721.sol
pragma solidity >=0.8.0;
import {ERC721TokenReceiver} from "solmate/tokens/ERC721.sol";
abstract contract GobblersERC721 {
event Transfer(address indexed from, address indexed to, uint256 indexed id);
event Approval(address indexed owner, address indexed spender, uint256 indexed id);
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
string public name;
string public symbol;
function tokenURI(uint256 id) external view virtual returns (string memory);
struct GobblerData {
address owner;
uint64 idx;
uint32 emissionMultiple;
}
mapping(uint256 => GobblerData) public getGobblerData;
struct UserData {
uint32 gobblersOwned;
uint32 emissionMultiple;
uint128 lastBalance;
uint64 lastTimestamp;
}
mapping(address => UserData) public getUserData;
function ownerOf(uint256 id) external view returns (address owner) {
require((owner = getGobblerData[id].owner) != address(0), "NOT_MINTED");
}
function balanceOf(address owner) external view returns (uint256) {
require(owner != address(0), "ZERO_ADDRESS");
return getUserData[owner].gobblersOwned;
}
mapping(uint256 => address) public getApproved;
mapping(address => mapping(address => bool)) public isApprovedForAll;
constructor(string memory _name, string memory _symbol) {
name = _name;
symbol = _symbol;
}
function approve(address spender, uint256 id) external {
address owner = getGobblerData[id].owner;
require(msg.sender == owner || isApprovedForAll[owner][msg.sender], "NOT_AUTHORIZED");
getApproved[id] = spender;
emit Approval(owner, spender, id);
}
function setApprovalForAll(address operator, bool approved) external {
isApprovedForAll[msg.sender][operator] = approved;
emit ApprovalForAll(msg.sender, operator, approved);
}
function transferFrom(
address from,
address to,
uint256 id
) public virtual;
function safeTransferFrom(
address from,
address to,
uint256 id
) external {
transferFrom(from, to, id);
require(
to.code.length == 0 ||
ERC721TokenReceiver(to).onERC721Received(msg.sender, from, id, "") ==
ERC721TokenReceiver.onERC721Received.selector,
"UNSAFE_RECIPIENT"
);
}
function safeTransferFrom(
address from,
address to,
uint256 id,
bytes calldata data
) external {
transferFrom(from, to, id);
require(
to.code.length == 0 ||
ERC721TokenReceiver(to).onERC721Received(msg.sender, from, id, data) ==
ERC721TokenReceiver.onERC721Received.selector,
"UNSAFE_RECIPIENT"
);
}
function supportsInterface(bytes4 interfaceId) external pure returns (bool) {
return
interfaceId == 0x01ffc9a7 ||
interfaceId == 0x80ac58cd ||
interfaceId == 0x5b5e139f;
}
function _mint(address to, uint256 id) internal {
unchecked {
++getUserData[to].gobblersOwned;
}
getGobblerData[id].owner = to;
emit Transfer(address(0), to, id);
}
function _batchMint(
address to,
uint256 amount,
uint256 lastMintedId
) internal returns (uint256) {
unchecked {
getUserData[to].gobblersOwned += uint32(amount);
for (uint256 i = 0; i < amount; ++i) {
getGobblerData[++lastMintedId].owner = to;
emit Transfer(address(0), to, lastMintedId);
}
}
return lastMintedId;
}
}
文件 7 的 18：Goo.sol
pragma solidity >=0.8.0;
import {ERC20} from "solmate/tokens/ERC20.sol";
contract Goo is ERC20("Goo", "GOO", 18) {
address public immutable artGobblers;
address public immutable pages;
error Unauthorized();
constructor(address _artGobblers, address _pages) {
artGobblers = _artGobblers;
pages = _pages;
}
modifier only(address user) {
if (msg.sender != user) revert Unauthorized();
_;
}
function mintForGobblers(address to, uint256 amount) external only(artGobblers) {
_mint(to, amount);
}
function burnForGobblers(address from, uint256 amount) external only(artGobblers) {
_burn(from, amount);
}
function burnForPages(address from, uint256 amount) external only(pages) {
_burn(from, amount);
}
}
文件 8 的 18：LibGOO.sol
pragma solidity >=0.8.0;
import {FixedPointMathLib} from "solmate/utils/FixedPointMathLib.sol";
library LibGOO {
using FixedPointMathLib for uint256;
function computeGOOBalance(
uint256 emissionMultiple,
uint256 lastBalanceWad,
uint256 timeElapsedWad
) internal pure returns (uint256) {
unchecked {
uint256 timeElapsedSquaredWad = timeElapsedWad.mulWadDown(timeElapsedWad);
return lastBalanceWad +
((emissionMultiple * timeElapsedSquaredWad) >> 2) +
timeElapsedWad.mulWadDown(
(emissionMultiple * lastBalanceWad * 1e18).sqrt()
);
}
}
}
文件 9 的 18：LibString.sol
pragma solidity >=0.8.0;
library LibString {
function toString(uint256 value) internal pure returns (string memory str) {
assembly {
let newFreeMemoryPointer := add(mload(0x40), 160)
mstore(0x40, newFreeMemoryPointer)
str := sub(newFreeMemoryPointer, 32)
mstore(str, 0)
let end := str
for { let temp := value } 1 {} {
str := sub(str, 1)
mstore8(str, add(48, mod(temp, 10)))
temp := div(temp, 10)
if iszero(temp) { break }
}
let length := sub(end, str)
str := sub(str, 32)
mstore(str, length)
}
}
}
文件 10 的 18：LogisticToLinearVRGDA.sol
pragma solidity >=0.8.0;
import {unsafeWadDiv} from "solmate/utils/SignedWadMath.sol";
import {VRGDA} from "./VRGDA.sol";
import {LogisticVRGDA} from "./LogisticVRGDA.sol";
abstract contract LogisticToLinearVRGDA is LogisticVRGDA {
int256 internal immutable soldBySwitch;
int256 internal immutable switchTime;
int256 internal immutable perTimeUnit;
constructor(
int256 _targetPrice,
int256 _priceDecayPercent,
int256 _logisticAsymptote,
int256 _timeScale,
int256 _soldBySwitch,
int256 _switchTime,
int256 _perTimeUnit
) LogisticVRGDA(_targetPrice, _priceDecayPercent, _logisticAsymptote, _timeScale) {
soldBySwitch = _soldBySwitch;
switchTime = _switchTime;
perTimeUnit = _perTimeUnit;
}
function getTargetSaleTime(int256 sold) public view virtual override returns (int256) {
if (sold < soldBySwitch) return LogisticVRGDA.getTargetSaleTime(sold);
unchecked {
return unsafeWadDiv(sold - soldBySwitch, perTimeUnit) + switchTime;
}
}
}
文件 11 的 18：LogisticVRGDA.sol
pragma solidity >=0.8.0;
import {wadLn, unsafeDiv, unsafeWadDiv} from "solmate/utils/SignedWadMath.sol";
import {VRGDA} from "./VRGDA.sol";
abstract contract LogisticVRGDA is VRGDA {
int256 internal immutable logisticLimit;
int256 internal immutable logisticLimitDoubled;
int256 internal immutable timeScale;
constructor(
int256 _targetPrice,
int256 _priceDecayPercent,
int256 _maxSellable,
int256 _timeScale
) VRGDA(_targetPrice, _priceDecayPercent) {
logisticLimit = _maxSellable + 1e18;
logisticLimitDoubled = logisticLimit * 2e18;
timeScale = _timeScale;
}
function getTargetSaleTime(int256 sold) public view virtual override returns (int256) {
unchecked {
return -unsafeWadDiv(wadLn(unsafeDiv(logisticLimitDoubled, sold + logisticLimit) - 1e18), timeScale);
}
}
}
文件 12 的 18：MerkleProofLib.sol
pragma solidity >=0.8.0;
library MerkleProofLib {
function verify(
bytes32[] calldata proof,
bytes32 root,
bytes32 leaf
) internal pure returns (bool isValid) {
assembly {
if proof.length {
let end := add(proof.offset, shl(5, proof.length))
let offset := proof.offset
for {} 1 {} {
let leafSlot := shl(5, gt(leaf, calldataload(offset)))
mstore(leafSlot, leaf)
mstore(xor(leafSlot, 32), calldataload(offset))
leaf := keccak256(0, 64)
offset := add(offset, 32)
if iszero(lt(offset, end)) { break }
}
}
isValid := eq(leaf, root)
}
}
}
文件 13 的 18：Owned.sol
pragma solidity >=0.8.0;
abstract contract Owned {
event OwnershipTransferred(address indexed user, address indexed newOwner);
address public owner;
modifier onlyOwner() virtual {
require(msg.sender == owner, "UNAUTHORIZED");
_;
}
constructor(address _owner) {
owner = _owner;
emit OwnershipTransferred(address(0), _owner);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
owner = newOwner;
emit OwnershipTransferred(msg.sender, newOwner);
}
}
文件 14 的 18：Pages.sol
pragma solidity >=0.8.0;
import {LibString} from "solmate/utils/LibString.sol";
import {toDaysWadUnsafe} from "solmate/utils/SignedWadMath.sol";
import {LogisticToLinearVRGDA} from "VRGDAs/LogisticToLinearVRGDA.sol";
import {PagesERC721} from "./utils/token/PagesERC721.sol";
import {Goo} from "./Goo.sol";
import {ArtGobblers} from "./ArtGobblers.sol";
contract Pages is PagesERC721, LogisticToLinearVRGDA {
using LibString for uint256;
Goo public immutable goo;
address public immutable community;
string public BASE_URI;
uint256 public immutable mintStart;
uint128 public currentId;
uint128 public numMintedForCommunity;
int256 internal constant SWITCH_DAY_WAD = 233e18;
int256 internal constant SOLD_BY_SWITCH_WAD = 8336.760939794622713006e18;
event PagePurchased(address indexed user, uint256 indexed pageId, uint256 price);
event CommunityPagesMinted(address indexed user, uint256 lastMintedPageId, uint256 numPages);
error ReserveImbalance();
error PriceExceededMax(uint256 currentPrice);
constructor(
uint256 _mintStart,
Goo _goo,
address _community,
ArtGobblers _artGobblers,
string memory _baseUri
)
PagesERC721(_artGobblers, "Pages", "PAGE")
LogisticToLinearVRGDA(
4.2069e18,
0.31e18,
9000e18,
0.014e18,
SOLD_BY_SWITCH_WAD,
SWITCH_DAY_WAD,
9e18
)
{
mintStart = _mintStart;
goo = _goo;
community = _community;
BASE_URI = _baseUri;
}
function mintFromGoo(uint256 maxPrice, bool useVirtualBalance) external returns (uint256 pageId) {
uint256 currentPrice = pagePrice();
if (currentPrice > maxPrice) revert PriceExceededMax(currentPrice);
useVirtualBalance
? artGobblers.burnGooForPages(msg.sender, currentPrice)
: goo.burnForPages(msg.sender, currentPrice);
unchecked {
emit PagePurchased(msg.sender, pageId = ++currentId, currentPrice);
_mint(msg.sender, pageId);
}
}
function pagePrice() public view returns (uint256) {
uint256 timeSinceStart = block.timestamp - mintStart;
unchecked {
return getVRGDAPrice(toDaysWadUnsafe(timeSinceStart), currentId - numMintedForCommunity);
}
}
function mintCommunityPages(uint256 numPages) external returns (uint256 lastMintedPageId) {
unchecked {
uint256 newNumMintedForCommunity = numMintedForCommunity += uint128(numPages);
if (newNumMintedForCommunity > ((lastMintedPageId = currentId) + numPages) / 10) revert ReserveImbalance();
lastMintedPageId = _batchMint(community, numPages, lastMintedPageId);
currentId = uint128(lastMintedPageId);
emit CommunityPagesMinted(msg.sender, lastMintedPageId, numPages);
}
}
function tokenURI(uint256 pageId) public view virtual override returns (string memory) {
if (pageId == 0 || pageId > currentId) revert("NOT_MINTED");
return string.concat(BASE_URI, pageId.toString());
}
}
文件 15 的 18：PagesERC721.sol
pragma solidity >=0.8.0;
import {ERC721TokenReceiver} from "solmate/tokens/ERC721.sol";
import {ArtGobblers} from "../../ArtGobblers.sol";
abstract contract PagesERC721 {
event Transfer(address indexed from, address indexed to, uint256 indexed id);
event Approval(address indexed owner, address indexed spender, uint256 indexed id);
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
string public name;
string public symbol;
function tokenURI(uint256 id) external view virtual returns (string memory);
ArtGobblers public immutable artGobblers;
constructor(
ArtGobblers _artGobblers,
string memory _name,
string memory _symbol
) {
name = _name;
symbol = _symbol;
artGobblers = _artGobblers;
}
mapping(uint256 => address) internal _ownerOf;
mapping(address => uint256) internal _balanceOf;
function ownerOf(uint256 id) external view returns (address owner) {
require((owner = _ownerOf[id]) != address(0), "NOT_MINTED");
}
function balanceOf(address owner) external view returns (uint256) {
require(owner != address(0), "ZERO_ADDRESS");
return _balanceOf[owner];
}
mapping(uint256 => address) public getApproved;
mapping(address => mapping(address => bool)) internal _isApprovedForAll;
function isApprovedForAll(address owner, address operator) public view returns (bool isApproved) {
if (operator == address(artGobblers)) return true;
return _isApprovedForAll[owner][operator];
}
function approve(address spender, uint256 id) external {
address owner = _ownerOf[id];
require(msg.sender == owner || isApprovedForAll(owner, msg.sender), "NOT_AUTHORIZED");
getApproved[id] = spender;
emit Approval(owner, spender, id);
}
function setApprovalForAll(address operator, bool approved) external {
_isApprovedForAll[msg.sender][operator] = approved;
emit ApprovalForAll(msg.sender, operator, approved);
}
function transferFrom(
address from,
address to,
uint256 id
) public {
require(from == _ownerOf[id], "WRONG_FROM");
require(to != address(0), "INVALID_RECIPIENT");
require(
msg.sender == from || isApprovedForAll(from, msg.sender) || msg.sender == getApproved[id],
"NOT_AUTHORIZED"
);
unchecked {
_balanceOf[from]--;
_balanceOf[to]++;
}
_ownerOf[id] = to;
delete getApproved[id];
emit Transfer(from, to, id);
}
function safeTransferFrom(
address from,
address to,
uint256 id
) external {
transferFrom(from, to, id);
if (to.code.length != 0)
require(
ERC721TokenReceiver(to).onERC721Received(msg.sender, from, id, "") ==
ERC721TokenReceiver.onERC721Received.selector,
"UNSAFE_RECIPIENT"
);
}
function safeTransferFrom(
address from,
address to,
uint256 id,
bytes calldata data
) external {
transferFrom(from, to, id);
if (to.code.length != 0)
require(
ERC721TokenReceiver(to).onERC721Received(msg.sender, from, id, data) ==
ERC721TokenReceiver.onERC721Received.selector,
"UNSAFE_RECIPIENT"
);
}
function supportsInterface(bytes4 interfaceId) external pure returns (bool) {
return
interfaceId == 0x01ffc9a7 ||
interfaceId == 0x80ac58cd ||
interfaceId == 0x5b5e139f;
}
function _mint(address to, uint256 id) internal {
unchecked {
_balanceOf[to]++;
}
_ownerOf[id] = to;
emit Transfer(address(0), to, id);
}
function _batchMint(
address to,
uint256 amount,
uint256 lastMintedId
) internal returns (uint256) {
unchecked {
_balanceOf[to] += amount;
for (uint256 i = 0; i < amount; ++i) {
_ownerOf[++lastMintedId] = to;
emit Transfer(address(0), to, lastMintedId);
}
}
return lastMintedId;
}
}
文件 16 的 18：RandProvider.sol
pragma solidity >=0.8.0;
interface RandProvider {
event RandomBytesRequested(bytes32 requestId);
event RandomBytesReturned(bytes32 requestId, uint256 randomness);
function requestRandomBytes() external returns (bytes32 requestId);
}
文件 17 的 18：SignedWadMath.sol
pragma solidity >=0.8.0;
function toWadUnsafe(uint256 x) pure returns (int256 r) {
assembly {
r := mul(x, 1000000000000000000)
}
}
function toDaysWadUnsafe(uint256 x) pure returns (int256 r) {
assembly {
r := div(mul(x, 1000000000000000000), 86400)
}
}
function fromDaysWadUnsafe(int256 x) pure returns (uint256 r) {
assembly {
r := div(mul(x, 86400), 1000000000000000000)
}
}
function unsafeWadMul(int256 x, int256 y) pure returns (int256 r) {
assembly {
r := sdiv(mul(x, y), 1000000000000000000)
}
}
function unsafeWadDiv(int256 x, int256 y) pure returns (int256 r) {
assembly {
r := sdiv(mul(x, 1000000000000000000), y)
}
}
function wadMul(int256 x, int256 y) pure returns (int256 r) {
assembly {
r := mul(x, y)
if iszero(or(iszero(x), eq(sdiv(r, x), y))) {
revert(0, 0)
}
r := sdiv(r, 1000000000000000000)
}
}
function wadDiv(int256 x, int256 y) pure returns (int256 r) {
assembly {
r := mul(x, 1000000000000000000)
if iszero(and(iszero(iszero(y)), eq(sdiv(r, 1000000000000000000), x))) {
revert(0, 0)
}
r := sdiv(r, y)
}
}
function wadExp(int256 x) pure returns (int256 r) {
unchecked {
if (x <= -42139678854452767551) return 0;
if (x >= 135305999368893231589) revert("EXP_OVERFLOW");
x = (x << 78) / 5**18;
int256 k = ((x << 96) / 54916777467707473351141471128 + 2**95) >> 96;
x = x - k * 54916777467707473351141471128;
int256 y = x + 1346386616545796478920950773328;
y = ((y * x) >> 96) + 57155421227552351082224309758442;
int256 p = y + x - 94201549194550492254356042504812;
p = ((p * y) >> 96) + 28719021644029726153956944680412240;
p = p * x + (4385272521454847904659076985693276 << 96);
int256 q = x - 2855989394907223263936484059900;
q = ((q * x) >> 96) + 50020603652535783019961831881945;
q = ((q * x) >> 96) - 533845033583426703283633433725380;
q = ((q * x) >> 96) + 3604857256930695427073651918091429;
q = ((q * x) >> 96) - 14423608567350463180887372962807573;
q = ((q * x) >> 96) + 26449188498355588339934803723976023;
assembly {
r := sdiv(p, q)
}
r = int256((uint256(r) * 3822833074963236453042738258902158003155416615667) >> uint256(195 - k));
}
}
function wadLn(int256 x) pure returns (int256 r) {
unchecked {
require(x > 0, "UNDEFINED");
assembly {
r := shl(7, lt(0xffffffffffffffffffffffffffffffff, x))
r := or(r, shl(6, lt(0xffffffffffffffff, shr(r, x))))
r := or(r, shl(5, lt(0xffffffff, shr(r, x))))
r := or(r, shl(4, lt(0xffff, shr(r, x))))
r := or(r, shl(3, lt(0xff, shr(r, x))))
r := or(r, shl(2, lt(0xf, shr(r, x))))
r := or(r, shl(1, lt(0x3, shr(r, x))))
r := or(r, lt(0x1, shr(r, x)))
}
int256 k = r - 96;
x <<= uint256(159 - k);
x = int256(uint256(x) >> 159);
int256 p = x + 3273285459638523848632254066296;
p = ((p * x) >> 96) + 24828157081833163892658089445524;
p = ((p * x) >> 96) + 43456485725739037958740375743393;
p = ((p * x) >> 96) - 11111509109440967052023855526967;
p = ((p * x) >> 96) - 45023709667254063763336534515857;
p = ((p * x) >> 96) - 14706773417378608786704636184526;
p = p * x - (795164235651350426258249787498 << 96);
int256 q = x + 5573035233440673466300451813936;
q = ((q * x) >> 96) + 71694874799317883764090561454958;
q = ((q * x) >> 96) + 283447036172924575727196451306956;
q = ((q * x) >> 96) + 401686690394027663651624208769553;
q = ((q * x) >> 96) + 204048457590392012362485061816622;
q = ((q * x) >> 96) + 31853899698501571402653359427138;
q = ((q * x) >> 96) + 909429971244387300277376558375;
assembly {
r := sdiv(p, q)
}
r *= 1677202110996718588342820967067443963516166;
r += 16597577552685614221487285958193947469193820559219878177908093499208371 * k;
r += 600920179829731861736702779321621459595472258049074101567377883020018308;
r >>= 174;
}
}
function unsafeDiv(int256 x, int256 y) pure returns (int256 r) {
assembly {
r := sdiv(x, y)
}
}
文件 18 的 18：VRGDA.sol
pragma solidity >=0.8.0;
import {wadExp, wadLn, wadMul, unsafeWadMul, toWadUnsafe} from "solmate/utils/SignedWadMath.sol";
abstract contract VRGDA {
int256 public immutable targetPrice;
int256 internal immutable decayConstant;
constructor(int256 _targetPrice, int256 _priceDecayPercent) {
targetPrice = _targetPrice;
decayConstant = wadLn(1e18 - _priceDecayPercent);
require(decayConstant < 0, "NON_NEGATIVE_DECAY_CONSTANT");
}
function getVRGDAPrice(int256 timeSinceStart, uint256 sold) public view virtual returns (uint256) {
unchecked {
return uint256(wadMul(targetPrice, wadExp(unsafeWadMul(decayConstant,
timeSinceStart - getTargetSaleTime(toWadUnsafe(sold + 1))
))));
}
}
function getTargetSaleTime(int256 sold) public view virtual returns (int256);
}
{
"compilationTarget": {
"src/ArtGobblers.sol": "ArtGobblers"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "none"
},
"optimizer": {
"enabled": true,
"runs": 1000000
},
"remappings": [
":VRGDAs/=lib/VRGDAs/src/",
":chainlink/=lib/chainlink/contracts/src/",
":ds-test/=lib/ds-test/src/",
":forge-std/=lib/forge-std/src/",
":goo-issuance/=lib/goo-issuance/src/",
":solmate/=lib/solmate/src/"
]
}[{"inputs":[{"internalType":"bytes32","name":"_merkleRoot","type":"bytes32"},{"internalType":"uint256","name":"_mintStart","type":"uint256"},{"internalType":"contract Goo","name":"_goo","type":"address"},{"internalType":"contract Pages","name":"_pages","type":"address"},{"internalType":"address","name":"_team","type":"address"},{"internalType":"address","name":"_community","type":"address"},{"internalType":"contract RandProvider","name":"_randProvider","type":"address"},{"internalType":"string","name":"_baseUri","type":"string"},{"internalType":"string","name":"_unrevealedUri","type":"string"},{"internalType":"bytes32","name":"_provenanceHash","type":"bytes32"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AlreadyClaimed","type":"error"},{"inputs":[],"name":"Cannibalism","type":"error"},{"inputs":[{"internalType":"uint256","name":"gobblerId","type":"uint256"}],"name":"CannotBurnLegendary","type":"error"},{"inputs":[{"internalType":"uint256","name":"cost","type":"uint256"}],"name":"InsufficientGobblerAmount","type":"error"},{"inputs":[],"name":"InvalidProof","type":"error"},{"inputs":[{"internalType":"uint256","name":"gobblersLeft","type":"uint256"}],"name":"LegendaryAuctionNotStarted","type":"error"},{"inputs":[],"name":"MintStartPending","type":"error"},{"inputs":[],"name":"NoRemainingLegendaryGobblers","type":"error"},{"inputs":[{"internalType":"uint256","name":"totalRemainingToBeRevealed","type":"uint256"}],"name":"NotEnoughRemainingToBeRevealed","type":"error"},{"inputs":[],"name":"NotRandProvider","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnerMismatch","type":"error"},{"inputs":[{"internalType":"uint256","name":"currentPrice","type":"uint256"}],"name":"PriceExceededMax","type":"error"},{"inputs":[],"name":"RequestTooEarly","type":"error"},{"inputs":[],"name":"ReserveImbalance","type":"error"},{"inputs":[],"name":"RevealsPending","type":"error"},{"inputs":[],"name":"SeedPending","type":"error"},{"inputs":[{"internalType":"address","name":"caller","type":"address"}],"name":"UnauthorizedCaller","type":"error"},{"inputs":[],"name":"ZeroToBeRevealed","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"gobblerId","type":"uint256"},{"indexed":true,"internalType":"address","name":"nft","type":"address"},{"indexed":false,"internalType":"uint256","name":"id","type":"uint256"}],"name":"ArtGobbled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"gobblerId","type":"uint256"}],"name":"GobblerClaimed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"gobblerId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"price","type":"uint256"}],"name":"GobblerPurchased","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"numGobblers","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"lastRevealedId","type":"uint256"}],"name":"GobblersRevealed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"newGooBalance","type":"uint256"}],"name":"GooBalanceUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"gobblerId","type":"uint256"},{"indexed":false,"internalType":"uint256[]","name":"burnedGobblerIds","type":"uint256[]"}],"name":"LegendaryGobblerMinted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"contract RandProvider","name":"newRandProvider","type":"address"}],"name":"RandProviderUpgraded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"randomness","type":"uint256"}],"name":"RandomnessFulfilled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"toBeRevealed","type":"uint256"}],"name":"RandomnessRequested","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"lastMintedGobblerId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"numGobblersEach","type":"uint256"}],"name":"ReservedGobblersMinted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"BASE_URI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"FIRST_LEGENDARY_GOBBLER_ID","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"LEGENDARY_AUCTION_INTERVAL","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"LEGENDARY_GOBBLER_INITIAL_START_PRICE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"LEGENDARY_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_MINTABLE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MINTLIST_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PROVENANCE_HASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"RESERVED_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"UNREVEALED_URI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"},{"internalType":"uint256","name":"randomness","type":"uint256"}],"name":"acceptRandomSeed","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"gooAmount","type":"uint256"}],"name":"addGoo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"gooAmount","type":"uint256"}],"name":"burnGooForPages","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32[]","name":"proof","type":"bytes32[]"}],"name":"claimGobbler","outputs":[{"internalType":"uint256","name":"gobblerId","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"community","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"currentNonLegendaryId","outputs":[{"internalType":"uint128","name":"","type":"uint128"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"getCopiesOfArtGobbledByGobbler","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"getGobblerData","outputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint64","name":"idx","type":"uint64"},{"internalType":"uint32","name":"emissionMultiple","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"gobblerId","type":"uint256"}],"name":"getGobblerEmissionMultiple","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"int256","name":"sold","type":"int256"}],"name":"getTargetSaleTime","outputs":[{"internalType":"int256","name":"","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"getUserData","outputs":[{"internalType":"uint32","name":"gobblersOwned","type":"uint32"},{"internalType":"uint32","name":"emissionMultiple","type":"uint32"},{"internalType":"uint128","name":"lastBalance","type":"uint128"},{"internalType":"uint64","name":"lastTimestamp","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"getUserEmissionMultiple","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"int256","name":"timeSinceStart","type":"int256"},{"internalType":"uint256","name":"sold","type":"uint256"}],"name":"getVRGDAPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"gobblerId","type":"uint256"},{"internalType":"address","name":"nft","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"bool","name":"isERC1155","type":"bool"}],"name":"gobble","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"gobblerPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"gobblerRevealsData","outputs":[{"internalType":"uint64","name":"randomSeed","type":"uint64"},{"internalType":"uint64","name":"nextRevealTimestamp","type":"uint64"},{"internalType":"uint64","name":"lastRevealedId","type":"uint64"},{"internalType":"uint56","name":"toBeRevealed","type":"uint56"},{"internalType":"bool","name":"waitingForSeed","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"goo","outputs":[{"internalType":"contract Goo","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"gooBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"hasClaimedMintlistGobbler","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"legendaryGobblerAuctionData","outputs":[{"internalType":"uint128","name":"startPrice","type":"uint128"},{"internalType":"uint128","name":"numSold","type":"uint128"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"legendaryGobblerPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"merkleRoot","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"maxPrice","type":"uint256"},{"internalType":"bool","name":"useVirtualBalance","type":"bool"}],"name":"mintFromGoo","outputs":[{"internalType":"uint256","name":"gobblerId","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"gobblerIds","type":"uint256[]"}],"name":"mintLegendaryGobbler","outputs":[{"internalType":"uint256","name":"gobblerId","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"numGobblersEach","type":"uint256"}],"name":"mintReservedGobblers","outputs":[{"internalType":"uint256","name":"lastMintedGobblerId","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"mintStart","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"numMintedForReserves","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"numMintedFromGoo","outputs":[{"internalType":"uint128","name":"","type":"uint128"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256[]","name":"","type":"uint256[]"},{"internalType":"uint256[]","name":"","type":"uint256[]"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"onERC1155BatchReceived","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"onERC1155Received","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"owner","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pages","outputs":[{"internalType":"contract Pages","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"randProvider","outputs":[{"internalType":"contract RandProvider","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"gooAmount","type":"uint256"}],"name":"removeGoo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"requestRandomSeed","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"numGobblers","type":"uint256"}],"name":"revealGobblers","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"targetPrice","outputs":[{"internalType":"int256","name":"","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"team","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"gobblerId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract RandProvider","name":"newRandProvider","type":"address"}],"name":"upgradeRandProvider","outputs":[],"stateMutability":"nonpayable","type":"function"}]
