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* Initial ERC1155 implementation with some tests (#1803) * Initial ERC1155 implementation with some tests * Remove mocked isERC1155TokenReceiver * Revert reason edit nit * Remove parameters associated with isERC1155TokenReceiver call * Add tests for approvals and single transfers * Add tests for transferring to contracts * Add tests for batch transfers * Make expectEvent.inTransaction tests async * Renamed "owner" to "account" and "holder" * Document unspecified balanceOfBatch reversion on zero behavior * Ensure accounts can't set their own operator status * Specify descriptive messages for underflow errors * Bring SafeMath.add calls in line with OZ style * Explicitly prevent _burn on the zero account * Implement batch minting/burning * Refactored operator approval check into isApprovedForAll calls * Renamed ERC1155TokenReceiver to ERC1155Receiver * Added ERC1155Holder * Fix lint issues * Migrate tests to @openzeppelin/test-environment * Port ERC 1155 branch to Solidity 0.6 (and current master) (#2130) * port ERC1155 to Solidity 0.6 * make ERC1155 constructor more similar to ERC721 one * also migrate mock contracts to Solidity 0.6 * mark all non-view functions as virtual Co-authored-by: Alan Lu <alanlu1023@gmail.com> Co-authored-by: Nicolás Venturo <nicolas.venturo@gmail.com> Co-authored-by: Robert Kaiser <kairo@kairo.at>
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This set of interfaces and contracts are all related to the ERC1155 Multi Token Standard.
The EIP consists of two interfaces which fulfill different roles, found here as IERC1155 and IERC1155Receiver. Only IERC1155 is required for a contract to be ERC1155 compliant. The basic functionality is implemented in ERC1155.