{
"contractName": "Metadata",
"abi": [
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"inputs": [
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"indexed": true,
"name": "dataToken",
"type": "address"
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{
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"name": "createdBy",
"type": "address"
},
{
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"name": "flags",
"type": "bytes"
},
{
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}
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"type": "event"
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{
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"name": "dataToken",
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{
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{
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},
{
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{
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"type": "address"
},
{
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"type": "function"
},
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{
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],
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}
],
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"source": "pragma solidity 0.5.7;\n// Copyright BigchainDB GmbH and Ocean Protocol contributors\n// SPDX-License-Identifier: (Apache-2.0 AND CC-BY-4.0)\n// Code is Apache-2.0 and docs are CC-BY-4.0\n\nimport '../interfaces/IERC20Template.sol';\n\n\n/**\n* @title Metadata\n* \n* @dev Metadata stands for Decentralized Document. It allows publishers\n* to publish their dataset metadata in decentralized way.\n* It follows the Ocean DID Document standard: \n* https://github.com/oceanprotocol/OEPs/blob/master/7/v0.2/README.md\n*/\ncontract Metadata {\n\n event MetadataCreated(\n address indexed dataToken,\n address indexed createdBy,\n bytes flags,\n bytes data\n );\n event MetadataUpdated(\n address indexed dataToken,\n address indexed updatedBy,\n bytes flags,\n bytes data\n );\n\n modifier onlyDataTokenMinter(address dataToken)\n {\n IERC20Template token = IERC20Template(dataToken);\n require(\n token.minter() == msg.sender,\n 'Metadata: Invalid DataToken Minter'\n );\n _;\n }\n\n /**\n * @dev create\n * creates/publishes new metadata/DDO document on-chain. \n * @param dataToken refers to data token address\n * @param flags special flags associated with metadata\n * @param data referes to the actual metadata\n */\n function create(\n address dataToken,\n bytes calldata flags,\n bytes calldata data\n ) \n external\n onlyDataTokenMinter(dataToken)\n {\n emit MetadataCreated(\n dataToken,\n msg.sender,\n flags,\n data\n );\n }\n\n /**\n * @dev update\n * allows only datatoken minter(s) to update the DDO/metadata content\n * @param dataToken refers to data token address\n * @param flags special flags associated with metadata\n * @param data referes to the actual metadata\n */\n function update(\n address dataToken,\n bytes calldata flags,\n bytes calldata data\n ) \n external\n onlyDataTokenMinter(dataToken)\n {\n emit MetadataUpdated(\n dataToken,\n msg.sender,\n flags,\n data\n );\n }\n}",
"sourcePath": "/ocean/ocean-contracts/contracts/metadata/Metadata.sol",
"ast": {
"absolutePath": "/ocean/ocean-contracts/contracts/metadata/Metadata.sol",
"exportedSymbols": {
"Metadata": [
5158
]
},
"id": 5159,
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{
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"file": "../interfaces/IERC20Template.sol",
"id": 5073,
"nodeType": "ImportDirective",
"scope": 5159,
"sourceUnit": 5071,
"src": "185:42:11",
"symbolAliases": [],
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},
{
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"contractKind": "contract",
"documentation": "@title Metadata\n \n@dev Metadata stands for Decentralized Document. It allows publishers\n to publish their dataset metadata in decentralized way.\n It follows the Ocean DID Document standard: \n https://github.com/oceanprotocol/OEPs/blob/master/7/v0.2/README.md",
"fullyImplemented": true,
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{
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{
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{
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"networks": {},
"schemaVersion": "3.2.4",
"updatedAt": "2021-02-18T06:54:49.624Z",
"devdoc": {
"details": "Metadata stands for Decentralized Document. It allows publishers to publish their dataset metadata in decentralized way. It follows the Ocean DID Document standard: https://github.com/oceanprotocol/OEPs/blob/master/7/v0.2/README.md",
"methods": {
"create(address,bytes,bytes)": {
"details": "create creates/publishes new metadata/DDO document on-chain. ",
"params": {
"data": "referes to the actual metadata",
"dataToken": "refers to data token address",
"flags": "special flags associated with metadata"
}
},
"update(address,bytes,bytes)": {
"details": "update allows only datatoken minter(s) to update the DDO/metadata content",
"params": {
"data": "referes to the actual metadata",
"dataToken": "refers to data token address",
"flags": "special flags associated with metadata"
}
}
},
"title": "Metadata "
},
"userdoc": {
"methods": {}
}
}