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  "compiler": {
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  "networks": {},
  "schemaVersion": "3.4.1",
  "updatedAt": "2021-06-03T23:56:22.337Z",
  "devdoc": {
    "details": "_Available since v3.1._",
    "kind": "dev",
    "methods": {
      "onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)": {
        "details": "Handles the receipt of a multiple ERC1155 token types. This function is called at the end of a `safeBatchTransferFrom` after the balances have been updated. To accept the transfer(s), this must return `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))` (i.e. 0xbc197c81, or its own function selector).",
        "params": {
          "data": "Additional data with no specified format",
          "from": "The address which previously owned the token",
          "ids": "An array containing ids of each token being transferred (order and length must match values array)",
          "operator": "The address which initiated the batch transfer (i.e. msg.sender)",
          "values": "An array containing amounts of each token being transferred (order and length must match ids array)"
        },
        "returns": {
          "_0": "`bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))` if transfer is allowed"
        }
      },
      "onERC1155Received(address,address,uint256,uint256,bytes)": {
        "details": "Handles the receipt of a single ERC1155 token type. This function is called at the end of a `safeTransferFrom` after the balance has been updated. To accept the transfer, this must return `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))` (i.e. 0xf23a6e61, or its own function selector).",
        "params": {
          "data": "Additional data with no specified format",
          "from": "The address which previously owned the token",
          "id": "The ID of the token being transferred",
          "operator": "The address which initiated the transfer (i.e. msg.sender)",
          "value": "The amount of tokens being transferred"
        },
        "returns": {
          "_0": "`bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))` if transfer is allowed"
        }
      },
      "supportsInterface(bytes4)": {
        "details": "See {IERC165-supportsInterface}. Time complexity O(1), guaranteed to always use less than 30 000 gas."
      }
    },
    "version": 1
  },
  "userdoc": {
    "kind": "user",
    "methods": {},
    "version": 1
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}