{
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{
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{
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{
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The registry is separated into two different contracts for upgradability - the data contract is harder to upgrade as it requires migrating all registry data into a new contract, while the registry contract itself can be easily upgraded. For that same reason, the data contract is simple and contains no logic beyond the basic data access utilities that it exposes.\",\"kind\":\"dev\",\"methods\":{\"acceptOwnership()\":{\"details\":\"used by a new owner to accept an ownership transfer\"},\"addConvertibleToken(address,address)\":{\"details\":\"adds a convertible token\",\"params\":{\"_anchor\":\"associated smart token\",\"_convertibleToken\":\"convertible token\"}},\"addLiquidityPool(address)\":{\"details\":\"adds a liquidity pool\",\"params\":{\"_liquidityPoolAnchor\":\"liquidity pool\"}},\"addSmartToken(address)\":{\"details\":\"adds a smart token\",\"params\":{\"_anchor\":\"smart token\"}},\"constructor\":{\"details\":\"initializes a new ConverterRegistryData instance\",\"params\":{\"_registry\":\"address of a contract registry contract\"}},\"getConvertibleToken(uint256)\":{\"details\":\"returns the convertible token at a given index\",\"params\":{\"_index\":\"index\"},\"returns\":{\"_0\":\"convertible token at the 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"source": "// SPDX-License-Identifier: SEE LICENSE IN LICENSE\r\npragma solidity 0.6.12;\r\nimport \"../utility/ContractRegistryClient.sol\";\r\nimport \"./interfaces/IConverterRegistryData.sol\";\r\n\r\n/**\r\n * @dev The ConverterRegistryData contract is an integral part of the converter registry\r\n * as it serves as the database contract that holds all registry data.\r\n *\r\n * The registry is separated into two different contracts for upgradability - the data contract\r\n * is harder to upgrade as it requires migrating all registry data into a new contract, while\r\n * the registry contract itself can be easily upgraded.\r\n *\r\n * For that same reason, the data contract is simple and contains no logic beyond the basic data\r\n * access utilities that it exposes.\r\n*/\r\ncontract ConverterRegistryData is IConverterRegistryData, ContractRegistryClient {\r\n struct Item {\r\n bool valid;\r\n uint256 index;\r\n }\r\n\r\n struct Items {\r\n address[] array;\r\n mapping(address => Item) table;\r\n }\r\n\r\n struct List {\r\n uint256 index;\r\n Items items;\r\n }\r\n\r\n struct Lists {\r\n address[] array;\r\n mapping(address => List) table;\r\n }\r\n\r\n Items private smartTokens;\r\n Items private liquidityPools;\r\n Lists private convertibleTokens;\r\n\r\n /**\r\n * @dev initializes a new ConverterRegistryData instance\r\n *\r\n * @param _registry address of a contract registry contract\r\n */\r\n constructor(IContractRegistry _registry) ContractRegistryClient(_registry) public {\r\n }\r\n\r\n /**\r\n * @dev adds a smart token\r\n *\r\n * @param _anchor smart token\r\n */\r\n function addSmartToken(IConverterAnchor _anchor) external override only(CONVERTER_REGISTRY) {\r\n addItem(smartTokens, address(_anchor));\r\n }\r\n\r\n /**\r\n * @dev removes a smart token\r\n *\r\n * @param _anchor smart token\r\n */\r\n function removeSmartToken(IConverterAnchor _anchor) external override only(CONVERTER_REGISTRY) {\r\n removeItem(smartTokens, address(_anchor));\r\n }\r\n\r\n /**\r\n * @dev adds a liquidity pool\r\n *\r\n * @param _liquidityPoolAnchor liquidity pool\r\n */\r\n function addLiquidityPool(IConverterAnchor _liquidityPoolAnchor) external override only(CONVERTER_REGISTRY) {\r\n addItem(liquidityPools, address(_liquidityPoolAnchor));\r\n }\r\n\r\n /**\r\n * @dev removes a liquidity pool\r\n *\r\n * @param _liquidityPoolAnchor liquidity pool\r\n */\r\n function removeLiquidityPool(IConverterAnchor _liquidityPoolAnchor) external override only(CONVERTER_REGISTRY) {\r\n removeItem(liquidityPools, address(_liquidityPoolAnchor));\r\n }\r\n\r\n /**\r\n * @dev adds a convertible token\r\n *\r\n * @param _convertibleToken convertible token\r\n * @param _anchor associated smart token\r\n */\r\n function addConvertibleToken(IERC20Token _convertibleToken, IConverterAnchor _anchor) external override only(CONVERTER_REGISTRY) {\r\n List storage list = convertibleTokens.table[address(_convertibleToken)];\r\n if (list.items.array.length == 0) {\r\n list.index = convertibleTokens.array.length;\r\n convertibleTokens.array.push(address(_convertibleToken));\r\n }\r\n addItem(list.items, address(_anchor));\r\n }\r\n\r\n /**\r\n * @dev removes a convertible token\r\n *\r\n * @param _convertibleToken convertible token\r\n * @param _anchor associated smart token\r\n */\r\n function removeConvertibleToken(IERC20Token _convertibleToken, IConverterAnchor _anchor) external override only(CONVERTER_REGISTRY) {\r\n List storage list = convertibleTokens.table[address(_convertibleToken)];\r\n removeItem(list.items, address(_anchor));\r\n if (list.items.array.length == 0) {\r\n address lastConvertibleToken = convertibleTokens.array[convertibleTokens.array.length - 1];\r\n convertibleTokens.table[lastConvertibleToken].index = list.index;\r\n convertibleTokens.array[list.index] = lastConvertibleToken;\r\n convertibleTokens.array.pop();\r\n delete convertibleTokens.table[address(_convertibleToken)];\r\n }\r\n }\r\n\r\n /**\r\n * @dev returns the number of smart tokens\r\n *\r\n * @return number of smart tokens\r\n */\r\n function getSmartTokenCount() external view override returns (uint256) {\r\n return smartTokens.array.length;\r\n }\r\n\r\n /**\r\n * @dev returns the list of smart tokens\r\n *\r\n * @return list of smart tokens\r\n */\r\n function getSmartTokens() external view override returns (address[] memory) {\r\n return smartTokens.array;\r\n }\r\n\r\n /**\r\n * @dev returns the smart token at a given index\r\n *\r\n * @param _index index\r\n * @return smart token at the given index\r\n */\r\n function getSmartToken(uint256 _index) external view override returns (IConverterAnchor) {\r\n return IConverterAnchor(smartTokens.array[_index]);\r\n }\r\n\r\n /**\r\n * @dev checks whether or not a given value is a smart token\r\n *\r\n * @param _value value\r\n * @return true if the given value is a smart token, false if not\r\n */\r\n function isSmartToken(address _value) external view override returns (bool) {\r\n return smartTokens.table[_value].valid;\r\n }\r\n\r\n /**\r\n * @dev returns the number of liquidity pools\r\n *\r\n * @return number of liquidity pools\r\n */\r\n function getLiquidityPoolCount() external view override returns (uint256) {\r\n return liquidityPools.array.length;\r\n }\r\n\r\n /**\r\n * @dev returns the list of liquidity pools\r\n *\r\n * @return list of liquidity pools\r\n */\r\n function getLiquidityPools() external view override returns (address[] memory) {\r\n return liquidityPools.array;\r\n }\r\n\r\n /**\r\n * @dev returns the liquidity pool at a given index\r\n *\r\n * @param _index index\r\n * @return liquidity pool at the given index\r\n */\r\n function getLiquidityPool(uint256 _index) external view override returns (IConverterAnchor) {\r\n return IConverterAnchor(liquidityPools.array[_index]);\r\n }\r\n\r\n /**\r\n * @dev checks whether or not a given value is a liquidity pool\r\n *\r\n * @param _value value\r\n * @return true if the given value is a liquidity pool, false if not\r\n */\r\n function isLiquidityPool(address _value) external view override returns (bool) {\r\n return liquidityPools.table[_value].valid;\r\n }\r\n\r\n /**\r\n * @dev returns the number of convertible tokens\r\n *\r\n * @return number of convertible tokens\r\n */\r\n function getConvertibleTokenCount() external view override returns (uint256) {\r\n return convertibleTokens.array.length;\r\n }\r\n\r\n /**\r\n * @dev returns the list of convertible tokens\r\n *\r\n * @return list of convertible tokens\r\n */\r\n function getConvertibleTokens() external view override returns (address[] memory) {\r\n return convertibleTokens.array;\r\n }\r\n\r\n /**\r\n * @dev returns the convertible token at a given index\r\n *\r\n * @param _index index\r\n * @return convertible token at the given index\r\n */\r\n function getConvertibleToken(uint256 _index) external view override returns (IERC20Token) {\r\n return IERC20Token(convertibleTokens.array[_index]);\r\n }\r\n\r\n /**\r\n * @dev checks whether or not a given value is a convertible token\r\n *\r\n * @param _value value\r\n * @return true if the given value is a convertible token, false if not\r\n */\r\n function isConvertibleToken(address _value) external view override returns (bool) {\r\n return convertibleTokens.table[_value].items.array.length > 0;\r\n }\r\n\r\n /**\r\n * @dev returns the number of smart tokens associated with a given convertible token\r\n *\r\n * @param _convertibleToken convertible token\r\n * @return number of smart tokens associated with the given convertible token\r\n */\r\n function getConvertibleTokenSmartTokenCount(IERC20Token _convertibleToken) external view override returns (uint256) {\r\n return convertibleTokens.table[address(_convertibleToken)].items.array.length;\r\n }\r\n\r\n /**\r\n * @dev returns the list of smart tokens associated with a given convertible token\r\n *\r\n * @param _convertibleToken convertible token\r\n * @return list of smart tokens associated with the 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},
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},
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},
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}
},
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}
},
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}
},
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}
},
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"params": {
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}
},
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},
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},
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}
},
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},
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},
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},
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},
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"params": {
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},
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"_0": "true if the given value is a liquidity pool, false if not"
}
},
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"_value": "value"
},
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"_0": "true if the given value is a smart token, false if not"
}
},
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}
},
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"details": "removes a liquidity pool",
"params": {
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}
},
"removeSmartToken(address)": {
"details": "removes a smart token",
"params": {
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}
},
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},
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}
},
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"params": {
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}
},
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}
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