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Latest 25 from a total of 476 transactions
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Set Approval For... | 60593166 | 110 days ago | IN | 0 POL | 0.00054105 | ||||
Set Approval For... | 60593160 | 110 days ago | IN | 0 POL | 0.00054105 | ||||
Set Approval For... | 60593139 | 110 days ago | IN | 0 POL | 0.00054105 | ||||
Transfer | 58284509 | 168 days ago | IN | 8.49762067 POL | 0.0020207 | ||||
Transfer | 56391329 | 217 days ago | IN | 0.3 POL | 0.00187336 | ||||
Transfer | 55392961 | 243 days ago | IN | 11.92 POL | 0.00811218 | ||||
Set Approval For... | 54969795 | 255 days ago | IN | 0 POL | 0.0043284 | ||||
Set Approval For... | 54969795 | 255 days ago | IN | 0 POL | 0.0064926 | ||||
Set Approval For... | 54912382 | 256 days ago | IN | 0 POL | 0.00363033 | ||||
Transfer | 54906108 | 256 days ago | IN | 0.50157998 POL | 0.00297339 | ||||
Transfer | 54416530 | 269 days ago | IN | 0.41593996 POL | 0.00241561 | ||||
Transfer | 52676677 | 314 days ago | IN | 10.1905 POL | 0.00128551 | ||||
Transfer | 51893562 | 334 days ago | IN | 0.02 POL | 0.00842693 | ||||
Transfer | 51526847 | 343 days ago | IN | 0.194 POL | 0.00185273 | ||||
Transfer | 51494145 | 344 days ago | IN | 1 POL | 0.00391577 | ||||
Transfer | 51494049 | 344 days ago | IN | 0.1 POL | 0.00312257 | ||||
Transfer | 49546295 | 394 days ago | IN | 7.30535954 POL | 0.00256073 | ||||
Transfer | 48817529 | 412 days ago | IN | 0.1 POL | 0.00147329 | ||||
Transfer | 48267638 | 426 days ago | IN | 0 POL | 0.00149897 | ||||
Transfer | 48206293 | 428 days ago | IN | 0.003258 POL | 0.00173108 | ||||
Transfer | 47196428 | 454 days ago | IN | 0 POL | 0.00396866 | ||||
Set Approval For... | 46163825 | 479 days ago | IN | 0 POL | 0.00168938 | ||||
Transfer | 43604049 | 545 days ago | IN | 3.13387648 POL | 0.00526225 | ||||
Transfer | 42677219 | 569 days ago | IN | 0.014 POL | 0.00330499 | ||||
Transfer | 42666863 | 569 days ago | IN | 12.3875 POL | 0.00340908 |
Latest 1 internal transaction
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31159384 | 860 days ago | Contract Creation | 0 POL |
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Contract Name:
Conduit
Compiler Version
v0.8.14+commit.80d49f37
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity >=0.8.7; import { ConduitInterface } from "../interfaces/ConduitInterface.sol"; import { ConduitItemType } from "./lib/ConduitEnums.sol"; import { TokenTransferrer } from "../lib/TokenTransferrer.sol"; // prettier-ignore import { ConduitTransfer, ConduitBatch1155Transfer } from "./lib/ConduitStructs.sol"; import "./lib/ConduitConstants.sol"; /** * @title Conduit * @author 0age * @notice This contract serves as an originator for "proxied" transfers. Each * conduit is deployed and controlled by a "conduit controller" that can * add and remove "channels" or contracts that can instruct the conduit * to transfer approved ERC20/721/1155 tokens. *IMPORTANT NOTE: each * conduit has an owner that can arbitrarily add or remove channels, and * a malicious or negligent owner can add a channel that allows for any * approved ERC20/721/1155 tokens to be taken immediately — be extremely * cautious with what conduits you give token approvals to!* */ contract Conduit is ConduitInterface, TokenTransferrer { // Set deployer as an immutable controller that can update channel statuses. address private immutable _controller; // Track the status of each channel. mapping(address => bool) private _channels; /** * @notice Ensure that the caller is currently registered as an open channel * on the conduit. */ modifier onlyOpenChannel() { // Utilize assembly to access channel storage mapping directly. assembly { // Write the caller to scratch space. mstore(ChannelKey_channel_ptr, caller()) // Write the storage slot for _channels to scratch space. mstore(ChannelKey_slot_ptr, _channels.slot) // Derive the position in storage of _channels[msg.sender] // and check if the stored value is zero. if iszero( sload(keccak256(ChannelKey_channel_ptr, ChannelKey_length)) ) { // The caller is not an open channel; revert with // ChannelClosed(caller). First, set error signature in memory. mstore(ChannelClosed_error_ptr, ChannelClosed_error_signature) // Next, set the caller as the argument. mstore(ChannelClosed_channel_ptr, caller()) // Finally, revert, returning full custom error with argument. revert(ChannelClosed_error_ptr, ChannelClosed_error_length) } } // Continue with function execution. _; } /** * @notice In the constructor, set the deployer as the controller. */ constructor() { // Set the deployer as the controller. _controller = msg.sender; } /** * @notice Execute a sequence of ERC20/721/1155 transfers. Only a caller * with an open channel can call this function. Note that channels * are expected to implement reentrancy protection if desired, and * that cross-channel reentrancy may be possible if the conduit has * multiple open channels at once. Also note that channels are * expected to implement checks against transferring any zero-amount * items if that constraint is desired. * * @param transfers The ERC20/721/1155 transfers to perform. * * @return magicValue A magic value indicating that the transfers were * performed successfully. */ function execute(ConduitTransfer[] calldata transfers) external override onlyOpenChannel returns (bytes4 magicValue) { // Retrieve the total number of transfers and place on the stack. uint256 totalStandardTransfers = transfers.length; // Iterate over each transfer. for (uint256 i = 0; i < totalStandardTransfers; ) { // Retrieve the transfer in question and perform the transfer. _transfer(transfers[i]); // Skip overflow check as for loop is indexed starting at zero. unchecked { ++i; } } // Return a magic value indicating that the transfers were performed. magicValue = this.execute.selector; } /** * @notice Execute a sequence of batch 1155 item transfers. Only a caller * with an open channel can call this function. Note that channels * are expected to implement reentrancy protection if desired, and * that cross-channel reentrancy may be possible if the conduit has * multiple open channels at once. Also note that channels are * expected to implement checks against transferring any zero-amount * items if that constraint is desired. * * @param batchTransfers The 1155 batch item transfers to perform. * * @return magicValue A magic value indicating that the item transfers were * performed successfully. */ function executeBatch1155( ConduitBatch1155Transfer[] calldata batchTransfers ) external override onlyOpenChannel returns (bytes4 magicValue) { // Perform 1155 batch transfers. Note that memory should be considered // entirely corrupted from this point forward. _performERC1155BatchTransfers(batchTransfers); // Return a magic value indicating that the transfers were performed. magicValue = this.executeBatch1155.selector; } /** * @notice Execute a sequence of transfers, both single ERC20/721/1155 item * transfers as well as batch 1155 item transfers. Only a caller * with an open channel can call this function. Note that channels * are expected to implement reentrancy protection if desired, and * that cross-channel reentrancy may be possible if the conduit has * multiple open channels at once. Also note that channels are * expected to implement checks against transferring any zero-amount * items if that constraint is desired. * * @param standardTransfers The ERC20/721/1155 item transfers to perform. * @param batchTransfers The 1155 batch item transfers to perform. * * @return magicValue A magic value indicating that the item transfers were * performed successfully. */ function executeWithBatch1155( ConduitTransfer[] calldata standardTransfers, ConduitBatch1155Transfer[] calldata batchTransfers ) external override onlyOpenChannel returns (bytes4 magicValue) { // Retrieve the total number of transfers and place on the stack. uint256 totalStandardTransfers = standardTransfers.length; // Iterate over each standard transfer. for (uint256 i = 0; i < totalStandardTransfers; ) { // Retrieve the transfer in question and perform the transfer. _transfer(standardTransfers[i]); // Skip overflow check as for loop is indexed starting at zero. unchecked { ++i; } } // Perform 1155 batch transfers. Note that memory should be considered // entirely corrupted from this point forward aside from the free memory // pointer having the default value. _performERC1155BatchTransfers(batchTransfers); // Return a magic value indicating that the transfers were performed. magicValue = this.executeWithBatch1155.selector; } /** * @notice Open or close a given channel. Only callable by the controller. * * @param channel The channel to open or close. * @param isOpen The status of the channel (either open or closed). */ function updateChannel(address channel, bool isOpen) external override { // Ensure that the caller is the controller of this contract. if (msg.sender != _controller) { revert InvalidController(); } // Ensure that the channel does not already have the indicated status. if (_channels[channel] == isOpen) { revert ChannelStatusAlreadySet(channel, isOpen); } // Update the status of the channel. _channels[channel] = isOpen; // Emit a corresponding event. emit ChannelUpdated(channel, isOpen); } /** * @dev Internal function to transfer a given ERC20/721/1155 item. Note that * channels are expected to implement checks against transferring any * zero-amount items if that constraint is desired. * * @param item The ERC20/721/1155 item to transfer. */ function _transfer(ConduitTransfer calldata item) internal { // Determine the transfer method based on the respective item type. if (item.itemType == ConduitItemType.ERC20) { // Transfer ERC20 token. Note that item.identifier is ignored and // therefore ERC20 transfer items are potentially malleable — this // check should be performed by the calling channel if a constraint // on item malleability is desired. _performERC20Transfer(item.token, item.from, item.to, item.amount); } else if (item.itemType == ConduitItemType.ERC721) { // Ensure that exactly one 721 item is being transferred. if (item.amount != 1) { revert InvalidERC721TransferAmount(); } // Transfer ERC721 token. _performERC721Transfer( item.token, item.from, item.to, item.identifier ); } else if (item.itemType == ConduitItemType.ERC1155) { // Transfer ERC1155 token. _performERC1155Transfer( item.token, item.from, item.to, item.identifier, item.amount ); } else { // Throw with an error. revert InvalidItemType(); } } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.7; // prettier-ignore import { ConduitTransfer, ConduitBatch1155Transfer } from "../conduit/lib/ConduitStructs.sol"; /** * @title ConduitInterface * @author 0age * @notice ConduitInterface contains all external function interfaces, events, * and errors for conduit contracts. */ interface ConduitInterface { /** * @dev Revert with an error when attempting to execute transfers using a * caller that does not have an open channel. */ error ChannelClosed(address channel); /** * @dev Revert with an error when attempting to update a channel to the * current status of that channel. */ error ChannelStatusAlreadySet(address channel, bool isOpen); /** * @dev Revert with an error when attempting to execute a transfer for an * item that does not have an ERC20/721/1155 item type. */ error InvalidItemType(); /** * @dev Revert with an error when attempting to update the status of a * channel from a caller that is not the conduit controller. */ error InvalidController(); /** * @dev Emit an event whenever a channel is opened or closed. * * @param channel The channel that has been updated. * @param open A boolean indicating whether the conduit is open or not. */ event ChannelUpdated(address indexed channel, bool open); /** * @notice Execute a sequence of ERC20/721/1155 transfers. Only a caller * with an open channel can call this function. * * @param transfers The ERC20/721/1155 transfers to perform. * * @return magicValue A magic value indicating that the transfers were * performed successfully. */ function execute(ConduitTransfer[] calldata transfers) external returns (bytes4 magicValue); /** * @notice Execute a sequence of batch 1155 transfers. Only a caller with an * open channel can call this function. * * @param batch1155Transfers The 1155 batch transfers to perform. * * @return magicValue A magic value indicating that the transfers were * performed successfully. */ function executeBatch1155( ConduitBatch1155Transfer[] calldata batch1155Transfers ) external returns (bytes4 magicValue); /** * @notice Execute a sequence of transfers, both single and batch 1155. Only * a caller with an open channel can call this function. * * @param standardTransfers The ERC20/721/1155 transfers to perform. * @param batch1155Transfers The 1155 batch transfers to perform. * * @return magicValue A magic value indicating that the transfers were * performed successfully. */ function executeWithBatch1155( ConduitTransfer[] calldata standardTransfers, ConduitBatch1155Transfer[] calldata batch1155Transfers ) external returns (bytes4 magicValue); /** * @notice Open or close a given channel. Only callable by the controller. * * @param channel The channel to open or close. * @param isOpen The status of the channel (either open or closed). */ function updateChannel(address channel, bool isOpen) external; }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.7; enum ConduitItemType { NATIVE, // unused ERC20, ERC721, ERC1155 }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.7; import "./TokenTransferrerConstants.sol"; // prettier-ignore import { TokenTransferrerErrors } from "../interfaces/TokenTransferrerErrors.sol"; import { ConduitBatch1155Transfer } from "../conduit/lib/ConduitStructs.sol"; /** * @title TokenTransferrer * @author 0age * @custom:coauthor d1ll0n * @custom:coauthor transmissions11 * @notice TokenTransferrer is a library for performing optimized ERC20, ERC721, * ERC1155, and batch ERC1155 transfers, used by both Seaport as well as * by conduits deployed by the ConduitController. Use great caution when * considering these functions for use in other codebases, as there are * significant side effects and edge cases that need to be thoroughly * understood and carefully addressed. */ contract TokenTransferrer is TokenTransferrerErrors { /** * @dev Internal function to transfer ERC20 tokens from a given originator * to a given recipient. Sufficient approvals must be set on the * contract performing the transfer. * * @param token The ERC20 token to transfer. * @param from The originator of the transfer. * @param to The recipient of the transfer. * @param amount The amount to transfer. */ function _performERC20Transfer( address token, address from, address to, uint256 amount ) internal { // Utilize assembly to perform an optimized ERC20 token transfer. assembly { // The free memory pointer memory slot will be used when populating // call data for the transfer; read the value and restore it later. let memPointer := mload(FreeMemoryPointerSlot) // Write call data into memory, starting with function selector. mstore(ERC20_transferFrom_sig_ptr, ERC20_transferFrom_signature) mstore(ERC20_transferFrom_from_ptr, from) mstore(ERC20_transferFrom_to_ptr, to) mstore(ERC20_transferFrom_amount_ptr, amount) // Make call & copy up to 32 bytes of return data to scratch space. // Scratch space does not need to be cleared ahead of time, as the // subsequent check will ensure that either at least a full word of // return data is received (in which case it will be overwritten) or // that no data is received (in which case scratch space will be // ignored) on a successful call to the given token. let callStatus := call( gas(), token, 0, ERC20_transferFrom_sig_ptr, ERC20_transferFrom_length, 0, OneWord ) // Determine whether transfer was successful using status & result. let success := and( // Set success to whether the call reverted, if not check it // either returned exactly 1 (can't just be non-zero data), or // had no return data. or( and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize()) ), callStatus ) // Handle cases where either the transfer failed or no data was // returned. Group these, as most transfers will succeed with data. // Equivalent to `or(iszero(success), iszero(returndatasize()))` // but after it's inverted for JUMPI this expression is cheaper. if iszero(and(success, iszero(iszero(returndatasize())))) { // If the token has no code or the transfer failed: Equivalent // to `or(iszero(success), iszero(extcodesize(token)))` but // after it's inverted for JUMPI this expression is cheaper. if iszero(and(iszero(iszero(extcodesize(token))), success)) { // If the transfer failed: if iszero(success) { // If it was due to a revert: if iszero(callStatus) { // If it returned a message, bubble it up as long as // sufficient gas remains to do so: if returndatasize() { // Ensure that sufficient gas is available to // copy returndata while expanding memory where // necessary. Start by computing the word size // of returndata and allocated memory. Round up // to the nearest full word. let returnDataWords := div( add(returndatasize(), AlmostOneWord), OneWord ) // Note: use the free memory pointer in place of // msize() to work around a Yul warning that // prevents accessing msize directly when the IR // pipeline is activated. let msizeWords := div(memPointer, OneWord) // Next, compute the cost of the returndatacopy. let cost := mul(CostPerWord, returnDataWords) // Then, compute cost of new memory allocation. if gt(returnDataWords, msizeWords) { cost := add( cost, add( mul( sub( returnDataWords, msizeWords ), CostPerWord ), div( sub( mul( returnDataWords, returnDataWords ), mul(msizeWords, msizeWords) ), MemoryExpansionCoefficient ) ) ) } // Finally, add a small constant and compare to // gas remaining; bubble up the revert data if // enough gas is still available. if lt(add(cost, ExtraGasBuffer), gas()) { // Copy returndata to memory; overwrite // existing memory. returndatacopy(0, 0, returndatasize()) // Revert, specifying memory region with // copied returndata. revert(0, returndatasize()) } } // Otherwise revert with a generic error message. mstore( TokenTransferGenericFailure_error_sig_ptr, TokenTransferGenericFailure_error_signature ) mstore( TokenTransferGenericFailure_error_token_ptr, token ) mstore( TokenTransferGenericFailure_error_from_ptr, from ) mstore(TokenTransferGenericFailure_error_to_ptr, to) mstore(TokenTransferGenericFailure_error_id_ptr, 0) mstore( TokenTransferGenericFailure_error_amount_ptr, amount ) revert( TokenTransferGenericFailure_error_sig_ptr, TokenTransferGenericFailure_error_length ) } // Otherwise revert with a message about the token // returning false or non-compliant return values. mstore( BadReturnValueFromERC20OnTransfer_error_sig_ptr, BadReturnValueFromERC20OnTransfer_error_signature ) mstore( BadReturnValueFromERC20OnTransfer_error_token_ptr, token ) mstore( BadReturnValueFromERC20OnTransfer_error_from_ptr, from ) mstore( BadReturnValueFromERC20OnTransfer_error_to_ptr, to ) mstore( BadReturnValueFromERC20OnTransfer_error_amount_ptr, amount ) revert( BadReturnValueFromERC20OnTransfer_error_sig_ptr, BadReturnValueFromERC20OnTransfer_error_length ) } // Otherwise, revert with error about token not having code: mstore(NoContract_error_sig_ptr, NoContract_error_signature) mstore(NoContract_error_token_ptr, token) revert(NoContract_error_sig_ptr, NoContract_error_length) } // Otherwise, the token just returned no data despite the call // having succeeded; no need to optimize for this as it's not // technically ERC20 compliant. } // Restore the original free memory pointer. mstore(FreeMemoryPointerSlot, memPointer) // Restore the zero slot to zero. mstore(ZeroSlot, 0) } } /** * @dev Internal function to transfer an ERC721 token from a given * originator to a given recipient. Sufficient approvals must be set on * the contract performing the transfer. Note that this function does * not check whether the receiver can accept the ERC721 token (i.e. it * does not use `safeTransferFrom`). * * @param token The ERC721 token to transfer. * @param from The originator of the transfer. * @param to The recipient of the transfer. * @param identifier The tokenId to transfer. */ function _performERC721Transfer( address token, address from, address to, uint256 identifier ) internal { // Utilize assembly to perform an optimized ERC721 token transfer. assembly { // If the token has no code, revert. if iszero(extcodesize(token)) { mstore(NoContract_error_sig_ptr, NoContract_error_signature) mstore(NoContract_error_token_ptr, token) revert(NoContract_error_sig_ptr, NoContract_error_length) } // The free memory pointer memory slot will be used when populating // call data for the transfer; read the value and restore it later. let memPointer := mload(FreeMemoryPointerSlot) // Write call data to memory starting with function selector. mstore(ERC721_transferFrom_sig_ptr, ERC721_transferFrom_signature) mstore(ERC721_transferFrom_from_ptr, from) mstore(ERC721_transferFrom_to_ptr, to) mstore(ERC721_transferFrom_id_ptr, identifier) // Perform the call, ignoring return data. let success := call( gas(), token, 0, ERC721_transferFrom_sig_ptr, ERC721_transferFrom_length, 0, 0 ) // If the transfer reverted: if iszero(success) { // If it returned a message, bubble it up as long as sufficient // gas remains to do so: if returndatasize() { // Ensure that sufficient gas is available to copy // returndata while expanding memory where necessary. Start // by computing word size of returndata & allocated memory. // Round up to the nearest full word. let returnDataWords := div( add(returndatasize(), AlmostOneWord), OneWord ) // Note: use the free memory pointer in place of msize() to // work around a Yul warning that prevents accessing msize // directly when the IR pipeline is activated. let msizeWords := div(memPointer, OneWord) // Next, compute the cost of the returndatacopy. let cost := mul(CostPerWord, returnDataWords) // Then, compute cost of new memory allocation. if gt(returnDataWords, msizeWords) { cost := add( cost, add( mul( sub(returnDataWords, msizeWords), CostPerWord ), div( sub( mul(returnDataWords, returnDataWords), mul(msizeWords, msizeWords) ), MemoryExpansionCoefficient ) ) ) } // Finally, add a small constant and compare to gas // remaining; bubble up the revert data if enough gas is // still available. if lt(add(cost, ExtraGasBuffer), gas()) { // Copy returndata to memory; overwrite existing memory. returndatacopy(0, 0, returndatasize()) // Revert, giving memory region with copied returndata. revert(0, returndatasize()) } } // Otherwise revert with a generic error message. mstore( TokenTransferGenericFailure_error_sig_ptr, TokenTransferGenericFailure_error_signature ) mstore(TokenTransferGenericFailure_error_token_ptr, token) mstore(TokenTransferGenericFailure_error_from_ptr, from) mstore(TokenTransferGenericFailure_error_to_ptr, to) mstore(TokenTransferGenericFailure_error_id_ptr, identifier) mstore(TokenTransferGenericFailure_error_amount_ptr, 1) revert( TokenTransferGenericFailure_error_sig_ptr, TokenTransferGenericFailure_error_length ) } // Restore the original free memory pointer. mstore(FreeMemoryPointerSlot, memPointer) // Restore the zero slot to zero. mstore(ZeroSlot, 0) } } /** * @dev Internal function to transfer ERC1155 tokens from a given * originator to a given recipient. Sufficient approvals must be set on * the contract performing the transfer and contract recipients must * implement the ERC1155TokenReceiver interface to indicate that they * are willing to accept the transfer. * * @param token The ERC1155 token to transfer. * @param from The originator of the transfer. * @param to The recipient of the transfer. * @param identifier The id to transfer. * @param amount The amount to transfer. */ function _performERC1155Transfer( address token, address from, address to, uint256 identifier, uint256 amount ) internal { // Utilize assembly to perform an optimized ERC1155 token transfer. assembly { // If the token has no code, revert. if iszero(extcodesize(token)) { mstore(NoContract_error_sig_ptr, NoContract_error_signature) mstore(NoContract_error_token_ptr, token) revert(NoContract_error_sig_ptr, NoContract_error_length) } // The following memory slots will be used when populating call data // for the transfer; read the values and restore them later. let memPointer := mload(FreeMemoryPointerSlot) let slot0x80 := mload(Slot0x80) let slot0xA0 := mload(Slot0xA0) let slot0xC0 := mload(Slot0xC0) // Write call data into memory, beginning with function selector. mstore( ERC1155_safeTransferFrom_sig_ptr, ERC1155_safeTransferFrom_signature ) mstore(ERC1155_safeTransferFrom_from_ptr, from) mstore(ERC1155_safeTransferFrom_to_ptr, to) mstore(ERC1155_safeTransferFrom_id_ptr, identifier) mstore(ERC1155_safeTransferFrom_amount_ptr, amount) mstore( ERC1155_safeTransferFrom_data_offset_ptr, ERC1155_safeTransferFrom_data_length_offset ) mstore(ERC1155_safeTransferFrom_data_length_ptr, 0) // Perform the call, ignoring return data. let success := call( gas(), token, 0, ERC1155_safeTransferFrom_sig_ptr, ERC1155_safeTransferFrom_length, 0, 0 ) // If the transfer reverted: if iszero(success) { // If it returned a message, bubble it up as long as sufficient // gas remains to do so: if returndatasize() { // Ensure that sufficient gas is available to copy // returndata while expanding memory where necessary. Start // by computing word size of returndata & allocated memory. // Round up to the nearest full word. let returnDataWords := div( add(returndatasize(), AlmostOneWord), OneWord ) // Note: use the free memory pointer in place of msize() to // work around a Yul warning that prevents accessing msize // directly when the IR pipeline is activated. let msizeWords := div(memPointer, OneWord) // Next, compute the cost of the returndatacopy. let cost := mul(CostPerWord, returnDataWords) // Then, compute cost of new memory allocation. if gt(returnDataWords, msizeWords) { cost := add( cost, add( mul( sub(returnDataWords, msizeWords), CostPerWord ), div( sub( mul(returnDataWords, returnDataWords), mul(msizeWords, msizeWords) ), MemoryExpansionCoefficient ) ) ) } // Finally, add a small constant and compare to gas // remaining; bubble up the revert data if enough gas is // still available. if lt(add(cost, ExtraGasBuffer), gas()) { // Copy returndata to memory; overwrite existing memory. returndatacopy(0, 0, returndatasize()) // Revert, giving memory region with copied returndata. revert(0, returndatasize()) } } // Otherwise revert with a generic error message. mstore( TokenTransferGenericFailure_error_sig_ptr, TokenTransferGenericFailure_error_signature ) mstore(TokenTransferGenericFailure_error_token_ptr, token) mstore(TokenTransferGenericFailure_error_from_ptr, from) mstore(TokenTransferGenericFailure_error_to_ptr, to) mstore(TokenTransferGenericFailure_error_id_ptr, identifier) mstore(TokenTransferGenericFailure_error_amount_ptr, amount) revert( TokenTransferGenericFailure_error_sig_ptr, TokenTransferGenericFailure_error_length ) } mstore(Slot0x80, slot0x80) // Restore slot 0x80. mstore(Slot0xA0, slot0xA0) // Restore slot 0xA0. mstore(Slot0xC0, slot0xC0) // Restore slot 0xC0. // Restore the original free memory pointer. mstore(FreeMemoryPointerSlot, memPointer) // Restore the zero slot to zero. mstore(ZeroSlot, 0) } } /** * @dev Internal function to transfer ERC1155 tokens from a given * originator to a given recipient. Sufficient approvals must be set on * the contract performing the transfer and contract recipients must * implement the ERC1155TokenReceiver interface to indicate that they * are willing to accept the transfer. NOTE: this function is not * memory-safe; it will overwrite existing memory, restore the free * memory pointer to the default value, and overwrite the zero slot. * This function should only be called once memory is no longer * required and when uninitialized arrays are not utilized, and memory * should be considered fully corrupted (aside from the existence of a * default-value free memory pointer) after calling this function. * * @param batchTransfers The group of 1155 batch transfers to perform. */ function _performERC1155BatchTransfers( ConduitBatch1155Transfer[] calldata batchTransfers ) internal { // Utilize assembly to perform optimized batch 1155 transfers. assembly { let len := batchTransfers.length // Pointer to first head in the array, which is offset to the struct // at each index. This gets incremented after each loop to avoid // multiplying by 32 to get the offset for each element. let nextElementHeadPtr := batchTransfers.offset // Pointer to beginning of the head of the array. This is the // reference position each offset references. It's held static to // let each loop calculate the data position for an element. let arrayHeadPtr := nextElementHeadPtr // Write the function selector, which will be reused for each call: // safeBatchTransferFrom(address,address,uint256[],uint256[],bytes) mstore( ConduitBatch1155Transfer_from_offset, ERC1155_safeBatchTransferFrom_signature ) // Iterate over each batch transfer. for { let i := 0 } lt(i, len) { i := add(i, 1) } { // Read the offset to the beginning of the element and add // it to pointer to the beginning of the array head to get // the absolute position of the element in calldata. let elementPtr := add( arrayHeadPtr, calldataload(nextElementHeadPtr) ) // Retrieve the token from calldata. let token := calldataload(elementPtr) // If the token has no code, revert. if iszero(extcodesize(token)) { mstore(NoContract_error_sig_ptr, NoContract_error_signature) mstore(NoContract_error_token_ptr, token) revert(NoContract_error_sig_ptr, NoContract_error_length) } // Get the total number of supplied ids. let idsLength := calldataload( add(elementPtr, ConduitBatch1155Transfer_ids_length_offset) ) // Determine the expected offset for the amounts array. let expectedAmountsOffset := add( ConduitBatch1155Transfer_amounts_length_baseOffset, mul(idsLength, OneWord) ) // Validate struct encoding. let invalidEncoding := iszero( and( // ids.length == amounts.length eq( idsLength, calldataload(add(elementPtr, expectedAmountsOffset)) ), and( // ids_offset == 0xa0 eq( calldataload( add( elementPtr, ConduitBatch1155Transfer_ids_head_offset ) ), ConduitBatch1155Transfer_ids_length_offset ), // amounts_offset == 0xc0 + ids.length*32 eq( calldataload( add( elementPtr, ConduitBatchTransfer_amounts_head_offset ) ), expectedAmountsOffset ) ) ) ) // Revert with an error if the encoding is not valid. if invalidEncoding { mstore( Invalid1155BatchTransferEncoding_ptr, Invalid1155BatchTransferEncoding_selector ) revert( Invalid1155BatchTransferEncoding_ptr, Invalid1155BatchTransferEncoding_length ) } // Update the offset position for the next loop nextElementHeadPtr := add(nextElementHeadPtr, OneWord) // Copy the first section of calldata (before dynamic values). calldatacopy( BatchTransfer1155Params_ptr, add(elementPtr, ConduitBatch1155Transfer_from_offset), ConduitBatch1155Transfer_usable_head_size ) // Determine size of calldata required for ids and amounts. Note // that the size includes both lengths as well as the data. let idsAndAmountsSize := add(TwoWords, mul(idsLength, TwoWords)) // Update the offset for the data array in memory. mstore( BatchTransfer1155Params_data_head_ptr, add( BatchTransfer1155Params_ids_length_offset, idsAndAmountsSize ) ) // Set the length of the data array in memory to zero. mstore( add( BatchTransfer1155Params_data_length_basePtr, idsAndAmountsSize ), 0 ) // Determine the total calldata size for the call to transfer. let transferDataSize := add( BatchTransfer1155Params_calldata_baseSize, idsAndAmountsSize ) // Copy second section of calldata (including dynamic values). calldatacopy( BatchTransfer1155Params_ids_length_ptr, add(elementPtr, ConduitBatch1155Transfer_ids_length_offset), idsAndAmountsSize ) // Perform the call to transfer 1155 tokens. let success := call( gas(), token, 0, ConduitBatch1155Transfer_from_offset, // Data portion start. transferDataSize, // Location of the length of callData. 0, 0 ) // If the transfer reverted: if iszero(success) { // If it returned a message, bubble it up as long as // sufficient gas remains to do so: if returndatasize() { // Ensure that sufficient gas is available to copy // returndata while expanding memory where necessary. // Start by computing word size of returndata and // allocated memory. Round up to the nearest full word. let returnDataWords := div( add(returndatasize(), AlmostOneWord), OneWord ) // Note: use transferDataSize in place of msize() to // work around a Yul warning that prevents accessing // msize directly when the IR pipeline is activated. // The free memory pointer is not used here because // this function does almost all memory management // manually and does not update it, and transferDataSize // should be the largest memory value used (unless a // previous batch was larger). let msizeWords := div(transferDataSize, OneWord) // Next, compute the cost of the returndatacopy. let cost := mul(CostPerWord, returnDataWords) // Then, compute cost of new memory allocation. if gt(returnDataWords, msizeWords) { cost := add( cost, add( mul( sub(returnDataWords, msizeWords), CostPerWord ), div( sub( mul( returnDataWords, returnDataWords ), mul(msizeWords, msizeWords) ), MemoryExpansionCoefficient ) ) ) } // Finally, add a small constant and compare to gas // remaining; bubble up the revert data if enough gas is // still available. if lt(add(cost, ExtraGasBuffer), gas()) { // Copy returndata to memory; overwrite existing. returndatacopy(0, 0, returndatasize()) // Revert with memory region containing returndata. revert(0, returndatasize()) } } // Set the error signature. mstore( 0, ERC1155BatchTransferGenericFailure_error_signature ) // Write the token. mstore(ERC1155BatchTransferGenericFailure_token_ptr, token) // Increase the offset to ids by 32. mstore( BatchTransfer1155Params_ids_head_ptr, ERC1155BatchTransferGenericFailure_ids_offset ) // Increase the offset to amounts by 32. mstore( BatchTransfer1155Params_amounts_head_ptr, add( OneWord, mload(BatchTransfer1155Params_amounts_head_ptr) ) ) // Return modified region. The total size stays the same as // `token` uses the same number of bytes as `data.length`. revert(0, transferDataSize) } } // Reset the free memory pointer to the default value; memory must // be assumed to be dirtied and not reused from this point forward. // Also note that the zero slot is not reset to zero, meaning empty // arrays cannot be safely created or utilized until it is restored. mstore(FreeMemoryPointerSlot, DefaultFreeMemoryPointer) } } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.7; import { ConduitItemType } from "./ConduitEnums.sol"; struct ConduitTransfer { ConduitItemType itemType; address token; address from; address to; uint256 identifier; uint256 amount; } struct ConduitBatch1155Transfer { address token; address from; address to; uint256[] ids; uint256[] amounts; }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.7; // error ChannelClosed(address channel) uint256 constant ChannelClosed_error_signature = ( 0x93daadf200000000000000000000000000000000000000000000000000000000 ); uint256 constant ChannelClosed_error_ptr = 0x00; uint256 constant ChannelClosed_channel_ptr = 0x4; uint256 constant ChannelClosed_error_length = 0x24; // For the mapping: // mapping(address => bool) channels // The position in storage for a particular account is: // keccak256(abi.encode(account, channels.slot)) uint256 constant ChannelKey_channel_ptr = 0x00; uint256 constant ChannelKey_slot_ptr = 0x20; uint256 constant ChannelKey_length = 0x40;
// SPDX-License-Identifier: MIT pragma solidity >=0.8.7; /* * -------------------------- Disambiguation & Other Notes --------------------- * - The term "head" is used as it is in the documentation for ABI encoding, * but only in reference to dynamic types, i.e. it always refers to the * offset or pointer to the body of a dynamic type. In calldata, the head * is always an offset (relative to the parent object), while in memory, * the head is always the pointer to the body. More information found here: * https://docs.soliditylang.org/en/v0.8.14/abi-spec.html#argument-encoding * - Note that the length of an array is separate from and precedes the * head of the array. * * - The term "body" is used in place of the term "head" used in the ABI * documentation. It refers to the start of the data for a dynamic type, * e.g. the first word of a struct or the first word of the first element * in an array. * * - The term "pointer" is used to describe the absolute position of a value * and never an offset relative to another value. * - The suffix "_ptr" refers to a memory pointer. * - The suffix "_cdPtr" refers to a calldata pointer. * * - The term "offset" is used to describe the position of a value relative * to some parent value. For example, OrderParameters_conduit_offset is the * offset to the "conduit" value in the OrderParameters struct relative to * the start of the body. * - Note: Offsets are used to derive pointers. * * - Some structs have pointers defined for all of their fields in this file. * Lines which are commented out are fields that are not used in the * codebase but have been left in for readability. */ uint256 constant AlmostOneWord = 0x1f; uint256 constant OneWord = 0x20; uint256 constant TwoWords = 0x40; uint256 constant ThreeWords = 0x60; uint256 constant FreeMemoryPointerSlot = 0x40; uint256 constant ZeroSlot = 0x60; uint256 constant DefaultFreeMemoryPointer = 0x80; uint256 constant Slot0x80 = 0x80; uint256 constant Slot0xA0 = 0xa0; uint256 constant Slot0xC0 = 0xc0; // abi.encodeWithSignature("transferFrom(address,address,uint256)") uint256 constant ERC20_transferFrom_signature = ( 0x23b872dd00000000000000000000000000000000000000000000000000000000 ); uint256 constant ERC20_transferFrom_sig_ptr = 0x0; uint256 constant ERC20_transferFrom_from_ptr = 0x04; uint256 constant ERC20_transferFrom_to_ptr = 0x24; uint256 constant ERC20_transferFrom_amount_ptr = 0x44; uint256 constant ERC20_transferFrom_length = 0x64; // 4 + 32 * 3 == 100 // abi.encodeWithSignature( // "safeTransferFrom(address,address,uint256,uint256,bytes)" // ) uint256 constant ERC1155_safeTransferFrom_signature = ( 0xf242432a00000000000000000000000000000000000000000000000000000000 ); uint256 constant ERC1155_safeTransferFrom_sig_ptr = 0x0; uint256 constant ERC1155_safeTransferFrom_from_ptr = 0x04; uint256 constant ERC1155_safeTransferFrom_to_ptr = 0x24; uint256 constant ERC1155_safeTransferFrom_id_ptr = 0x44; uint256 constant ERC1155_safeTransferFrom_amount_ptr = 0x64; uint256 constant ERC1155_safeTransferFrom_data_offset_ptr = 0x84; uint256 constant ERC1155_safeTransferFrom_data_length_ptr = 0xa4; uint256 constant ERC1155_safeTransferFrom_length = 0xc4; // 4 + 32 * 6 == 196 uint256 constant ERC1155_safeTransferFrom_data_length_offset = 0xa0; // abi.encodeWithSignature( // "safeBatchTransferFrom(address,address,uint256[],uint256[],bytes)" // ) uint256 constant ERC1155_safeBatchTransferFrom_signature = ( 0x2eb2c2d600000000000000000000000000000000000000000000000000000000 ); bytes4 constant ERC1155_safeBatchTransferFrom_selector = bytes4( bytes32(ERC1155_safeBatchTransferFrom_signature) ); uint256 constant ERC721_transferFrom_signature = ERC20_transferFrom_signature; uint256 constant ERC721_transferFrom_sig_ptr = 0x0; uint256 constant ERC721_transferFrom_from_ptr = 0x04; uint256 constant ERC721_transferFrom_to_ptr = 0x24; uint256 constant ERC721_transferFrom_id_ptr = 0x44; uint256 constant ERC721_transferFrom_length = 0x64; // 4 + 32 * 3 == 100 // abi.encodeWithSignature("NoContract(address)") uint256 constant NoContract_error_signature = ( 0x5f15d67200000000000000000000000000000000000000000000000000000000 ); uint256 constant NoContract_error_sig_ptr = 0x0; uint256 constant NoContract_error_token_ptr = 0x4; uint256 constant NoContract_error_length = 0x24; // 4 + 32 == 36 // abi.encodeWithSignature( // "TokenTransferGenericFailure(address,address,address,uint256,uint256)" // ) uint256 constant TokenTransferGenericFailure_error_signature = ( 0xf486bc8700000000000000000000000000000000000000000000000000000000 ); uint256 constant TokenTransferGenericFailure_error_sig_ptr = 0x0; uint256 constant TokenTransferGenericFailure_error_token_ptr = 0x4; uint256 constant TokenTransferGenericFailure_error_from_ptr = 0x24; uint256 constant TokenTransferGenericFailure_error_to_ptr = 0x44; uint256 constant TokenTransferGenericFailure_error_id_ptr = 0x64; uint256 constant TokenTransferGenericFailure_error_amount_ptr = 0x84; // 4 + 32 * 5 == 164 uint256 constant TokenTransferGenericFailure_error_length = 0xa4; // abi.encodeWithSignature( // "BadReturnValueFromERC20OnTransfer(address,address,address,uint256)" // ) uint256 constant BadReturnValueFromERC20OnTransfer_error_signature = ( 0x9889192300000000000000000000000000000000000000000000000000000000 ); uint256 constant BadReturnValueFromERC20OnTransfer_error_sig_ptr = 0x0; uint256 constant BadReturnValueFromERC20OnTransfer_error_token_ptr = 0x4; uint256 constant BadReturnValueFromERC20OnTransfer_error_from_ptr = 0x24; uint256 constant BadReturnValueFromERC20OnTransfer_error_to_ptr = 0x44; uint256 constant BadReturnValueFromERC20OnTransfer_error_amount_ptr = 0x64; // 4 + 32 * 4 == 132 uint256 constant BadReturnValueFromERC20OnTransfer_error_length = 0x84; uint256 constant ExtraGasBuffer = 0x20; uint256 constant CostPerWord = 3; uint256 constant MemoryExpansionCoefficient = 0x200; // Values are offset by 32 bytes in order to write the token to the beginning // in the event of a revert uint256 constant BatchTransfer1155Params_ptr = 0x24; uint256 constant BatchTransfer1155Params_ids_head_ptr = 0x64; uint256 constant BatchTransfer1155Params_amounts_head_ptr = 0x84; uint256 constant BatchTransfer1155Params_data_head_ptr = 0xa4; uint256 constant BatchTransfer1155Params_data_length_basePtr = 0xc4; uint256 constant BatchTransfer1155Params_calldata_baseSize = 0xc4; uint256 constant BatchTransfer1155Params_ids_length_ptr = 0xc4; uint256 constant BatchTransfer1155Params_ids_length_offset = 0xa0; uint256 constant BatchTransfer1155Params_amounts_length_baseOffset = 0xc0; uint256 constant BatchTransfer1155Params_data_length_baseOffset = 0xe0; uint256 constant ConduitBatch1155Transfer_usable_head_size = 0x80; uint256 constant ConduitBatch1155Transfer_from_offset = 0x20; uint256 constant ConduitBatch1155Transfer_ids_head_offset = 0x60; uint256 constant ConduitBatch1155Transfer_amounts_head_offset = 0x80; uint256 constant ConduitBatch1155Transfer_ids_length_offset = 0xa0; uint256 constant ConduitBatch1155Transfer_amounts_length_baseOffset = 0xc0; uint256 constant ConduitBatch1155Transfer_calldata_baseSize = 0xc0; // Note: abbreviated version of above constant to adhere to line length limit. uint256 constant ConduitBatchTransfer_amounts_head_offset = 0x80; uint256 constant Invalid1155BatchTransferEncoding_ptr = 0x00; uint256 constant Invalid1155BatchTransferEncoding_length = 0x04; uint256 constant Invalid1155BatchTransferEncoding_selector = ( 0xeba2084c00000000000000000000000000000000000000000000000000000000 ); uint256 constant ERC1155BatchTransferGenericFailure_error_signature = ( 0xafc445e200000000000000000000000000000000000000000000000000000000 ); uint256 constant ERC1155BatchTransferGenericFailure_token_ptr = 0x04; uint256 constant ERC1155BatchTransferGenericFailure_ids_offset = 0xc0;
// SPDX-License-Identifier: MIT pragma solidity >=0.8.7; /** * @title TokenTransferrerErrors */ interface TokenTransferrerErrors { /** * @dev Revert with an error when an ERC721 transfer with amount other than * one is attempted. */ error InvalidERC721TransferAmount(); /** * @dev Revert with an error when attempting to fulfill an order where an * item has an amount of zero. */ error MissingItemAmount(); /** * @dev Revert with an error when attempting to fulfill an order where an * item has unused parameters. This includes both the token and the * identifier parameters for native transfers as well as the identifier * parameter for ERC20 transfers. Note that the conduit does not * perform this check, leaving it up to the calling channel to enforce * when desired. */ error UnusedItemParameters(); /** * @dev Revert with an error when an ERC20, ERC721, or ERC1155 token * transfer reverts. * * @param token The token for which the transfer was attempted. * @param from The source of the attempted transfer. * @param to The recipient of the attempted transfer. * @param identifier The identifier for the attempted transfer. * @param amount The amount for the attempted transfer. */ error TokenTransferGenericFailure( address token, address from, address to, uint256 identifier, uint256 amount ); /** * @dev Revert with an error when a batch ERC1155 token transfer reverts. * * @param token The token for which the transfer was attempted. * @param from The source of the attempted transfer. * @param to The recipient of the attempted transfer. * @param identifiers The identifiers for the attempted transfer. * @param amounts The amounts for the attempted transfer. */ error ERC1155BatchTransferGenericFailure( address token, address from, address to, uint256[] identifiers, uint256[] amounts ); /** * @dev Revert with an error when an ERC20 token transfer returns a falsey * value. * * @param token The token for which the ERC20 transfer was attempted. * @param from The source of the attempted ERC20 transfer. * @param to The recipient of the attempted ERC20 transfer. * @param amount The amount for the attempted ERC20 transfer. */ error BadReturnValueFromERC20OnTransfer( address token, address from, address to, uint256 amount ); /** * @dev Revert with an error when an account being called as an assumed * contract does not have code and returns no data. * * @param account The account that should contain code. */ error NoContract(address account); /** * @dev Revert with an error when attempting to execute an 1155 batch * transfer using calldata not produced by default ABI encoding or with * different lengths for ids and amounts arrays. */ error Invalid1155BatchTransferEncoding(); }
{ "viaIR": true, "optimizer": { "enabled": true, "runs": 1000000 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"BadReturnValueFromERC20OnTransfer","type":"error"},{"inputs":[{"internalType":"address","name":"channel","type":"address"}],"name":"ChannelClosed","type":"error"},{"inputs":[{"internalType":"address","name":"channel","type":"address"},{"internalType":"bool","name":"isOpen","type":"bool"}],"name":"ChannelStatusAlreadySet","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256[]","name":"identifiers","type":"uint256[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"name":"ERC1155BatchTransferGenericFailure","type":"error"},{"inputs":[],"name":"Invalid1155BatchTransferEncoding","type":"error"},{"inputs":[],"name":"InvalidController","type":"error"},{"inputs":[],"name":"InvalidERC721TransferAmount","type":"error"},{"inputs":[],"name":"InvalidItemType","type":"error"},{"inputs":[],"name":"MissingItemAmount","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"NoContract","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"identifier","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"TokenTransferGenericFailure","type":"error"},{"inputs":[],"name":"UnusedItemParameters","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"channel","type":"address"},{"indexed":false,"internalType":"bool","name":"open","type":"bool"}],"name":"ChannelUpdated","type":"event"},{"inputs":[{"components":[{"internalType":"enum ConduitItemType","name":"itemType","type":"uint8"},{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"identifier","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"}],"internalType":"struct ConduitTransfer[]","name":"transfers","type":"tuple[]"}],"name":"execute","outputs":[{"internalType":"bytes4","name":"magicValue","type":"bytes4"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"internalType":"struct ConduitBatch1155Transfer[]","name":"batchTransfers","type":"tuple[]"}],"name":"executeBatch1155","outputs":[{"internalType":"bytes4","name":"magicValue","type":"bytes4"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"enum ConduitItemType","name":"itemType","type":"uint8"},{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"identifier","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"}],"internalType":"struct ConduitTransfer[]","name":"standardTransfers","type":"tuple[]"},{"components":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"internalType":"struct ConduitBatch1155Transfer[]","name":"batchTransfers","type":"tuple[]"}],"name":"executeWithBatch1155","outputs":[{"internalType":"bytes4","name":"magicValue","type":"bytes4"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"channel","type":"address"},{"internalType":"bool","name":"isOpen","type":"bool"}],"name":"updateChannel","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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Deployed Bytecode
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Multichain Portfolio | 29 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
---|---|---|---|---|---|
ETH | 95.75% | $3,647.33 | 7.2795 | $26,550.85 | |
ETH | 2.18% | $0.681908 | 887.9006 | $605.47 | |
ETH | 0.93% | $0.005407 | 47,660.2474 | $257.71 | |
BSC | 0.47% | $3,646.93 | 0.0358 | $130.39 | |
BSC | 0.12% | $0.682783 | 46.9553 | $32.06 | |
BSC | <0.01% | $0.142036 | 7.488 | $1.06 | |
BSC | <0.01% | $653.37 | 0.0001 | $0.065337 | |
POL | 0.37% | $3,646.93 | 0.0281 | $102.39 | |
POL | <0.01% | $0.386794 | 4 | $1.55 | |
ARB | 0.14% | $3,646.85 | 0.0106 | $38.67 | |
OP | 0.03% | $2.59 | 3.5612 | $9.21 |
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