@etherspot/contracts
Version:
Etherspot Solidity contracts
97 lines • 21 kB
JSON
{
"address": "0xa6C165E3539A2bE6d55e2935EC9979D8C850A21b",
"abi": [
{
"inputs": [
{
"internalType": "address[]",
"name": "accounts",
"type": "address[]"
},
{
"internalType": "address[]",
"name": "tokens",
"type": "address[]"
}
],
"name": "getBalances",
"outputs": [
{
"internalType": "uint256[]",
"name": "",
"type": "uint256[]"
}
],
"stateMutability": "view",
"type": "function"
}
],
"transactionHash": "0xd7a50e962c46568156b4d4d6e272d887a42706a5dd30bf86f43f033b978a5d9a",
"receipt": {
"to": "0x4e59b44847b379578588920cA78FbF26c0B4956C",
"from": "0x09FD4F6088f2025427AB1e89257A44747081Ed59",
"contractAddress": null,
"transactionIndex": 1,
"gasUsed": "420418",
"logsBloom": "0x00000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000008000000000000000000000000000000004000000000000000000000000800000000000000000000100000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000800000000000000004000000000004000000000000000000200000000000000000000000000000000000000000000000000200000000004000000000000000000001000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000100000",
"blockHash": "0x564e82c6317918d35b7eea07ffb0690d32a9f69b08884b03f79ff6359e9e784a",
"transactionHash": "0xd7a50e962c46568156b4d4d6e272d887a42706a5dd30bf86f43f033b978a5d9a",
"logs": [
{
"transactionIndex": 1,
"blockNumber": 13102000,
"transactionHash": "0xd7a50e962c46568156b4d4d6e272d887a42706a5dd30bf86f43f033b978a5d9a",
"address": "0x0000000000000000000000000000000000001010",
"topics": [
"0x4dfe1bbbcf077ddc3e01291eea2d5c70c2b422b415d95645b9adcfd678cb1d63",
"0x0000000000000000000000000000000000000000000000000000000000001010",
"0x00000000000000000000000009fd4f6088f2025427ab1e89257a44747081ed59",
"0x0000000000000000000000007b5000af8ab69fd59eb0d4f5762bff57c9c04385"
],
"data": "0x00000000000000000000000000000000000000000000000000017e5e318c14000000000000000000000000000000000000000000000000003782dace9d9000000000000000000000000000000000000000000000000001b0b7f667f8bb601a3000000000000000000000000000000000000000000000000037815c706c03ec000000000000000000000000000000000000000000000001b0b7f7e656ecec2e30",
"logIndex": 15,
"blockHash": "0x564e82c6317918d35b7eea07ffb0690d32a9f69b08884b03f79ff6359e9e784a"
}
],
"blockNumber": 13102000,
"cumulativeGasUsed": "671016",
"status": 1,
"byzantium": true
},
"args": [],
"solcInputHash": "1bdf84d4bd28700579af1cc4796e2cae",
"metadata": "{\"compiler\":{\"version\":\"0.6.12+commit.27d51765\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address[]\",\"name\":\"accounts\",\"type\":\"address[]\"},{\"internalType\":\"address[]\",\"name\":\"tokens\",\"type\":\"address[]\"}],\"name\":\"getBalances\",\"outputs\":[{\"internalType\":\"uint256[]\",\"name\":\"\",\"type\":\"uint256[]\"}],\"stateMutability\":\"view\",\"type\":\"function\"}],\"devdoc\":{\"author\":\"Jegor Sidorenko <jegor@pillarproject.io>Stanis\\u0142aw G\\u0142ogowski <stan@pillarproject.io>\",\"kind\":\"dev\",\"methods\":{\"getBalances(address[],address[])\":{\"details\":\"Pass 0x0 as a \\\"token\\\" address to get ETH balance. Possible error throws: - extremely large arrays for account and or tokens (gas cost too high)\",\"params\":{\"accounts\":\"array of accounts addresses\",\"tokens\":\"array of tokens addresses\"},\"returns\":{\"_0\":\"a one-dimensional that's user.length * tokens.length long. The array is ordered by all of the 0th accounts token balances, then the 1th user, and so on.\"}}},\"title\":\"Balances helper\",\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{\"getBalances(address[],address[])\":{\"notice\":\"Checks the token balances of accounts for multiple tokens.\"}},\"version\":1}},\"settings\":{\"compilationTarget\":{\"src/common/helpers/BalancesHelper.sol\":\"BalancesHelper\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"none\",\"useLiteralContent\":true},\"optimizer\":{\"enabled\":false,\"runs\":200},\"remappings\":[]},\"sources\":{\"src/common/helpers/BalancesHelper.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\n\\nimport \\\"../token/ERC20Token.sol\\\";\\nimport \\\"../libs/SafeMathLib.sol\\\";\\n\\n\\n/**\\n * @title Balances helper\\n *\\n * @author Jegor Sidorenko <jegor@pillarproject.io>\\n * @author Stanis\\u0142aw G\\u0142ogowski <stan@pillarproject.io>\\n */\\ncontract BalancesHelper {\\n using SafeMathLib for uint256;\\n\\n // external functions\\n\\n /**\\n * @notice Checks the token balances of accounts for multiple tokens.\\n * @dev Pass 0x0 as a \\\"token\\\" address to get ETH balance.\\n *\\n * Possible error throws:\\n * - extremely large arrays for account and or tokens (gas cost too high)\\n *\\n * @param accounts array of accounts addresses\\n * @param tokens array of tokens addresses\\n * @return a one-dimensional that's user.length * tokens.length long. The\\n * array is ordered by all of the 0th accounts token balances, then the 1th\\n * user, and so on.\\n */\\n function getBalances(\\n address[] calldata accounts,\\n address[] calldata tokens\\n )\\n external\\n view\\n returns (uint[] memory)\\n {\\n uint[] memory result = new uint[](accounts.length.mul(tokens.length));\\n\\n for (uint i = 0; i < accounts.length; i++) {\\n for (uint j = 0; j < tokens.length; j++) {\\n uint index = j.add(tokens.length.mul(i));\\n\\n if (tokens[j] != address(0x0)) {\\n result[index] = _getBalance(accounts[i], tokens[j]);\\n } else {\\n result[index] = accounts[i].balance;\\n }\\n }\\n }\\n\\n return result;\\n }\\n\\n // private functions\\n\\n function _getBalance(\\n address account,\\n address token\\n )\\n private\\n view\\n returns (uint256)\\n {\\n uint256 result = 0;\\n uint256 tokenCode;\\n\\n /// @dev check if token is actually a contract\\n // solhint-disable-next-line no-inline-assembly\\n assembly { tokenCode := extcodesize(token) } // contract code size\\n\\n if (tokenCode > 0) {\\n /// @dev is it a contract and does it implement balanceOf\\n // solhint-disable-next-line avoid-low-level-calls\\n (bool methodExists,) = token.staticcall(abi.encodeWithSelector(\\n ERC20Token(token).balanceOf.selector,\\n account\\n ));\\n\\n if (methodExists) {\\n result = ERC20Token(token).balanceOf(account);\\n }\\n }\\n\\n return result;\\n }\\n}\\n\",\"keccak256\":\"0x76a5729807b8581731967ea74fc5e16a2c5c9067457c9059da97f089ffff68b9\",\"license\":\"MIT\"},\"src/common/libs/SafeMathLib.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\n\\n/**\\n * @title Safe math library\\n *\\n * @dev Based on https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v3.3.0/contracts/math/SafeMath.sol\\n */\\nlibrary SafeMathLib {\\n function add(uint256 a, uint256 b) internal pure returns (uint256) {\\n uint256 c = a + b;\\n\\n require(c >= a, \\\"SafeMathLib: addition overflow\\\");\\n\\n return c;\\n }\\n\\n function sub(uint256 a, uint256 b) internal pure returns (uint256) {\\n return sub(a, b, \\\"SafeMathLib: subtraction overflow\\\");\\n }\\n\\n function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\\n require(b <= a, errorMessage);\\n\\n return a - b;\\n }\\n\\n function mul(uint256 a, uint256 b) internal pure returns (uint256) {\\n if (a == 0) {\\n return 0;\\n }\\n\\n uint256 c = a * b;\\n\\n require(c / a == b, \\\"SafeMathLib: multiplication overflow\\\");\\n\\n return c;\\n }\\n\\n function div(uint256 a, uint256 b) internal pure returns (uint256) {\\n return div(a, b, \\\"SafeMathLib: division by zero\\\");\\n }\\n\\n function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\\n require(b > 0, errorMessage);\\n\\n return a / b;\\n }\\n\\n function mod(uint256 a, uint256 b) internal pure returns (uint256) {\\n return mod(a, b, \\\"SafeMathLib: modulo by zero\\\");\\n }\\n\\n function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\\n require(b != 0, errorMessage);\\n\\n return a % b;\\n }\\n}\\n\",\"keccak256\":\"0x6089f354ca754d9c5dd9e800ee5ed86717dbf8f9af470604e0be691ac57c0107\",\"license\":\"MIT\"},\"src/common/token/ERC20Token.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\n\\nimport \\\"../libs/SafeMathLib.sol\\\";\\n\\n\\n/**\\n * @title ERC20 token\\n *\\n * @dev Based on https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v3.3.0/contracts/token/ERC20/ERC20.sol\\n */\\ncontract ERC20Token {\\n using SafeMathLib for uint256;\\n\\n string public name;\\n string public symbol;\\n uint8 public decimals;\\n uint256 public totalSupply;\\n\\n mapping(address => uint256) internal balances;\\n mapping(address => mapping(address => uint256)) internal allowances;\\n\\n // events\\n\\n event Transfer(\\n address indexed from,\\n address indexed to,\\n uint256 value\\n );\\n\\n event Approval(\\n address indexed owner,\\n address indexed spender,\\n uint256 value\\n );\\n\\n /**\\n * @dev internal constructor\\n */\\n constructor() internal {}\\n\\n // external functions\\n\\n function transfer(\\n address to,\\n uint256 value\\n )\\n external\\n returns (bool)\\n {\\n _transfer(_getSender(), to, value);\\n\\n return true;\\n }\\n\\n function transferFrom(\\n address from,\\n address to,\\n uint256 value\\n )\\n virtual\\n external\\n returns (bool)\\n {\\n address sender = _getSender();\\n\\n _transfer(from, to, value);\\n _approve(from, sender, allowances[from][sender].sub(value));\\n\\n return true;\\n }\\n\\n function approve(\\n address spender,\\n uint256 value\\n )\\n virtual\\n external\\n returns (bool)\\n {\\n _approve(_getSender(), spender, value);\\n\\n return true;\\n }\\n\\n // external functions (views)\\n\\n function balanceOf(\\n address owner\\n )\\n virtual\\n external\\n view\\n returns (uint256)\\n {\\n return balances[owner];\\n }\\n\\n function allowance(\\n address owner,\\n address spender\\n )\\n virtual\\n external\\n view\\n returns (uint256)\\n {\\n return allowances[owner][spender];\\n }\\n\\n // internal functions\\n\\n function _transfer(\\n address from,\\n address to,\\n uint256 value\\n )\\n virtual\\n internal\\n {\\n require(\\n from != address(0),\\n \\\"ERC20Token: cannot transfer from 0x0 address\\\"\\n );\\n require(\\n to != address(0),\\n \\\"ERC20Token: cannot transfer to 0x0 address\\\"\\n );\\n\\n balances[from] = balances[from].sub(value);\\n balances[to] = balances[to].add(value);\\n\\n emit Transfer(from, to, value);\\n }\\n\\n function _approve(\\n address owner,\\n address spender,\\n uint256 value\\n )\\n virtual\\n internal\\n {\\n require(\\n owner != address(0),\\n \\\"ERC20Token: cannot approve from 0x0 address\\\"\\n );\\n require(\\n spender != address(0),\\n \\\"ERC20Token: cannot approve to 0x0 address\\\"\\n );\\n\\n allowances[owner][spender] = value;\\n\\n emit Approval(owner, spender, value);\\n }\\n\\n function _mint(\\n address owner,\\n uint256 value\\n )\\n virtual\\n internal\\n {\\n require(\\n owner != address(0),\\n \\\"ERC20Token: cannot mint to 0x0 address\\\"\\n );\\n require(\\n value > 0,\\n \\\"ERC20Token: cannot mint 0 value\\\"\\n );\\n\\n balances[owner] = balances[owner].add(value);\\n totalSupply = totalSupply.add(value);\\n\\n emit Transfer(address(0), owner, value);\\n }\\n\\n function _burn(\\n address owner,\\n uint256 value\\n )\\n virtual\\n internal\\n {\\n require(\\n owner != address(0),\\n \\\"ERC20Token: cannot burn from 0x0 address\\\"\\n );\\n\\n balances[owner] = balances[owner].sub(\\n value,\\n \\\"ERC20Token: burn value exceeds balance\\\"\\n );\\n\\n totalSupply = totalSupply.sub(value);\\n\\n emit Transfer(owner, address(0), value);\\n }\\n\\n // internal functions (views)\\n\\n function _getSender()\\n virtual\\n internal\\n view\\n returns (address)\\n {\\n return msg.sender;\\n }\\n}\\n\",\"keccak256\":\"0x6f2b0bd08da549c6c1f5ceee85766832d587dde62c56bebc3a14bd9ea407e03d\",\"license\":\"MIT\"}},\"version\":1}",
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"devdoc": {
"author": "Jegor Sidorenko <jegor@pillarproject.io>Stanisław Głogowski <stan@pillarproject.io>",
"kind": "dev",
"methods": {
"getBalances(address[],address[])": {
"details": "Pass 0x0 as a \"token\" address to get ETH balance. Possible error throws: - extremely large arrays for account and or tokens (gas cost too high)",
"params": {
"accounts": "array of accounts addresses",
"tokens": "array of tokens addresses"
},
"returns": {
"_0": "a one-dimensional that's user.length * tokens.length long. The array is ordered by all of the 0th accounts token balances, then the 1th user, and so on."
}
}
},
"title": "Balances helper",
"version": 1
},
"userdoc": {
"kind": "user",
"methods": {
"getBalances(address[],address[])": {
"notice": "Checks the token balances of accounts for multiple tokens."
}
},
"version": 1
},
"storageLayout": {
"storage": [],
"types": null
}
}