ocean-subgraph/abis/Metadata.json
Samer bf158af3c8
Issue28 track metadata updates (#47)
* add datasource for the metadata events.

* handle metadata created/updated events, record (tx, blocknumber, timestamp, user) and update corresponding datatoken with update count.

* add list of metadata updates to the datatoken entity

* fix style issues

* style fix.

Co-authored-by: ssallam <travis@travis-ci.org>
2021-03-04 11:38:20 +01:00

2418 lines
104 KiB
JSON

{
"contractName": "Metadata",
"abi": [
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"name": "dataToken",
"type": "address"
},
{
"indexed": true,
"name": "createdBy",
"type": "address"
},
{
"indexed": false,
"name": "flags",
"type": "bytes"
},
{
"indexed": false,
"name": "data",
"type": "bytes"
}
],
"name": "MetadataCreated",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"name": "dataToken",
"type": "address"
},
{
"indexed": true,
"name": "updatedBy",
"type": "address"
},
{
"indexed": false,
"name": "flags",
"type": "bytes"
},
{
"indexed": false,
"name": "data",
"type": "bytes"
}
],
"name": "MetadataUpdated",
"type": "event"
},
{
"constant": false,
"inputs": [
{
"name": "dataToken",
"type": "address"
},
{
"name": "flags",
"type": "bytes"
},
{
"name": "data",
"type": "bytes"
}
],
"name": "create",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": false,
"inputs": [
{
"name": "dataToken",
"type": "address"
},
{
"name": "flags",
"type": "bytes"
},
{
"name": "data",
"type": "bytes"
}
],
"name": "update",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
}
],
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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,
"nodeType": "SourceUnit",
"nodes": [
{
"id": 5072,
"literals": [
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"0.5",
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],
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"src": "0:22:11"
},
{
"absolutePath": "/ocean/ocean-contracts/contracts/interfaces/IERC20Template.sol",
"file": "../interfaces/IERC20Template.sol",
"id": 5073,
"nodeType": "ImportDirective",
"scope": 5159,
"sourceUnit": 5071,
"src": "185:42:11",
"symbolAliases": [],
"unitAlias": ""
},
{
"baseContracts": [],
"contractDependencies": [],
"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,
"id": 5158,
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"name": "Metadata",
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},
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{
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"src": "545:139:11"
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