Contracts
Returns the Contract Application Binary Interface ( ABI ) of a verified smart contract.
https://api.snowtrace.io/api
?module=contract
&action=getabi
&address=0x8C5e76293DF42f33CCAEe43C8De61A522E118a8d
&apikey=YourApiKeyToken
Request
Response
Query Parameters
Parameter | Description |
---|---|
address | the contract address that has a verified source code |
Sample Response
{
"status":"1",
"message":"OK",
"result":"[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_factory\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_WETH\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"inputs\":[],\"name\":\"WETH\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"tokenA\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"tokenB\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amountADesired\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountBDesired\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountAMin\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountBMin\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"}],\"name\":\"addLiquidity\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"amountA\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountB\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"liquidity\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"token\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amountTokenDesired\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountTokenMin\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountETHMin\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"}],\"name\":\"addLiquidityETH\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"amountToken\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountETH\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"liquidity\",\"type\":\"uint256\"}],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"factory\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"amountOut\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"reserveIn\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"reserveOut\",\"type\":\"uint256\"}],\"name\":\"getAmountIn\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"amountIn\",\"type\":\"uint256\"}],\"stateMutability\":\"pure\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"amountIn\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"reserveIn\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"reserveOut\",\"type\":\"uint256\"}],\"name\":\"getAmountOut\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"amountOut\",\"type\":\"uint256\"}],\"stateMutability\":\"pure\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"amountOut\",\"type\":\"uint256\"},{\"internalType\":\"address[]\",\"name\":\"path\",\"type\":\"address[]\"}],\"name\":\"getAmountsIn\",\"outputs\":[{\"internalType\":\"uint256[]\",\"name\":\"amounts\",\"type\":\"uint256[]\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"amountIn\",\"type\":\"uint256\"},{\"internalType\":\"address[]\",\"name\":\"path\",\"type\":\"address[]\"}],\"name\":\"getAmountsOut\",\"outputs\":[{\"internalType\":\"uint256[]\",\"name\":\"amounts\",\"type\":\"uint256[]\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"amountA\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"reserveA\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"reserveB\",\"type\":\"uint256\"}],\"name\":\"quote\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"amountB\",\"type\":\"uint256\"}],\"stateMutability\":\"pure\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"tokenA\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"tokenB\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"liquidity\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountAMin\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountBMin\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"}],\"name\":\"removeLiquidity\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"amountA\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountB\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"token\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"liquidity\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountTokenMin\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountETHMin\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"}],\"name\":\"removeLiquidityETH\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"amountToken\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountETH\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"token\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"liquidity\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountTokenMin\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountETHMin\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"}],\"name\":\"removeLiquidityETHSupportingFeeOnTransferTokens\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"amountETH\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"token\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"liquidity\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountTokenMin\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountETHMin\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"},{\"internalType\":\"bool\",\"name\":\"approveMax\",\"type\":\"bool\"},{\"internalType\":\"uint8\",\"name\":\"v\",\"type\":\"uint8\"},{\"internalType\":\"bytes32\",\"name\":\"r\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"s\",\"type\":\"bytes32\"}],\"name\":\"removeLiquidityETHWithPermit\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"amountToken\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountETH\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"token\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"liquidity\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountTokenMin\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountETHMin\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"},{\"internalType\":\"bool\",\"name\":\"approveMax\",\"type\":\"bool\"},{\"internalType\":\"uint8\",\"name\":\"v\",\"type\":\"uint8\"},{\"internalType\":\"bytes32\",\"name\":\"r\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"s\",\"type\":\"bytes32\"}],\"name\":\"removeLiquidityETHWithPermitSupportingFeeOnTransferTokens\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"amountETH\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"tokenA\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"tokenB\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"liquidity\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountAMin\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountBMin\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"},{\"internalType\":\"bool\",\"name\":\"approveMax\",\"type\":\"bool\"},{\"internalType\":\"uint8\",\"name\":\"v\",\"type\":\"uint8\"},{\"internalType\":\"bytes32\",\"name\":\"r\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"s\",\"type\":\"bytes32\"}],\"name\":\"removeLiquidityWithPermit\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"amountA\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountB\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"amountOut\",\"type\":\"uint256\"},{\"internalType\":\"address[]\",\"name\":\"path\",\"type\":\"address[]\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"}],\"name\":\"swapETHForExactTokens\",\"outputs\":[{\"internalType\":\"uint256[]\",\"name\":\"amounts\",\"type\":\"uint256[]\"}],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"amountOutMin\",\"type\":\"uint256\"},{\"internalType\":\"address[]\",\"name\":\"path\",\"type\":\"address[]\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"}],\"name\":\"swapExactETHForTokens\",\"outputs\":[{\"internalType\":\"uint256[]\",\"name\":\"amounts\",\"type\":\"uint256[]\"}],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"amountOutMin\",\"type\":\"uint256\"},{\"internalType\":\"address[]\",\"name\":\"path\",\"type\":\"address[]\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"}],\"name\":\"swapExactETHForTokensSupportingFeeOnTransferTokens\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"amountIn\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountOutMin\",\"type\":\"uint256\"},{\"internalType\":\"address[]\",\"name\":\"path\",\"type\":\"address[]\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"}],\"name\":\"swapExactTokensForETH\",\"outputs\":[{\"internalType\":\"uint256[]\",\"name\":\"amounts\",\"type\":\"uint256[]\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"amountIn\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountOutMin\",\"type\":\"uint256\"},{\"internalType\":\"address[]\",\"name\":\"path\",\"type\":\"address[]\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"}],\"name\":\"swapExactTokensForETHSupportingFeeOnTransferTokens\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"amountIn\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountOutMin\",\"type\":\"uint256\"},{\"internalType\":\"address[]\",\"name\":\"path\",\"type\":\"address[]\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"}],\"name\":\"swapExactTokensForTokens\",\"outputs\":[{\"internalType\":\"uint256[]\",\"name\":\"amounts\",\"type\":\"uint256[]\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"amountIn\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountOutMin\",\"type\":\"uint256\"},{\"internalType\":\"address[]\",\"name\":\"path\",\"type\":\"address[]\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"}],\"name\":\"swapExactTokensForTokensSupportingFeeOnTransferTokens\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"amountOut\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountInMax\",\"type\":\"uint256\"},{\"internalType\":\"address[]\",\"name\":\"path\",\"type\":\"address[]\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"}],\"name\":\"swapTokensForExactETH\",\"outputs\":[{\"internalType\":\"uint256[]\",\"name\":\"amounts\",\"type\":\"uint256[]\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"amountOut\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountInMax\",\"type\":\"uint256\"},{\"internalType\":\"address[]\",\"name\":\"path\",\"type\":\"address[]\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"}],\"name\":\"swapTokensForExactTokens\",\"outputs\":[{\"internalType\":\"uint256[]\",\"name\":\"amounts\",\"type\":\"uint256[]\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"stateMutability\":\"payable\",\"type\":\"receive\"}]"
}
A simple sample for retrieving the contractABI using Web3.js and Jquery to interact with a contract.
var Web3 = require('web3');
var web3 = new Web3(new Web3.providers.HttpProvider());
var version = web3.version.api;
$.getJSON('https://api.snowtrace.io/api?module=contract&action=getabi&address=0xfb6916095ca1df60bb79ce92ce3ea74c37c5d359', function (data) {
var contractABI = "";
contractABI = JSON.parse(data.result);
if (contractABI != ''){
var MyContract = web3.eth.contract(contractABI);
var myContractInstance = MyContract.at("0xfb6916095ca1df60bb79ce92ce3ea74c37c5d359");
var result = myContractInstance.memberId("0xfe8ad7dd2f564a877cc23feea6c0a9cc2e783715");
console.log("result1 : " + result);
var result = myContractInstance.members(1);
console.log("result2 : " + result);
} else {
console.log("Error" );
}
});
Returns the Solidity source code of a verified smart contract.
Tip : You can also download a CSV list of verified contracts addresses of which the code publishers have provided a corresponding Open Source license for redistribution.
📩
https://api.snowtrace.io/api
?module=contract
&action=getsourcecode
&address=0x8ee3bcb68486c2439f01ffba3a8aa0b8cb15a662
&apikey=YourApiKeyToken
Request
Response
Query Parameters
Parameter | Description |
---|---|
address | the contract address that has a verified source code |
Sample Response
{
"status":"1",
"message":"OK",
"result":[
{
"SourceCode":"// SPDX-License-Identifier: LGPL-3.0-or-later\r\npragma abicoder v2;\r\npragma solidity ^0.8.9;\r\n\r\ncontract BulkFactory {\r\n struct Pool {\r\n address pool_address;\r\n uint112 reserve0;\r\n uint112 reserve1;\r\n }\r\n \r\n struct Token01 {\r\n address pool_address;\r\n address token0;\r\n address token1;\r\n }\r\n \r\n function pairLength(address factory) external view returns (uint) {\r\n return IPancakeFactory(factory).allPairsLength();\r\n }\r\n\r\n function getPairs(address factory, uint start, uint end) public view returns (address[] memory pairs) {\r\n pairs = new address[](end - start + 1);\r\n for(uint i = start; i <= end; i++) {\r\n try IPancakeFactory(factory).allPairs(i) returns (address pair) {\r\n pairs[i - start] = pair;\r\n } catch {\r\n pairs[i - start] = address(0);\r\n }\r\n }\r\n }\r\n\r\n function getPairsToken01(address factory, uint start, uint end) external view returns (Token01[] memory tokens) {\r\n address[] memory pairs = getPairs(factory, start, end);\r\n\r\n tokens = new Token01[](pairs.length);\r\n \r\n for(uint i = 0; i < pairs.length; i++) {\r\n if(isAContract(pairs[i])) { \r\n address _token0 = getToken0(pairs[i]); \r\n address _token1 = getToken1(pairs[i]);\r\n tokens[i] = Token01(pairs[i], _token0, _token1); \r\n } else {\r\n tokens[i] = Token01(pairs[i], address(0), address(0)); \r\n }\r\n }\r\n }\r\n\r\n function getPairsReserve(address factory, uint start, uint end) external view returns (Pool[] memory reserves) {\r\n address[] memory pairs = getPairs(factory, start, end);\r\n\r\n reserves = new Pool[](pairs.length);\r\n \r\n for(uint i = 0; i < pairs.length; i++) {\r\n if(isAContract(pairs[i])) { \r\n (uint112 _reserve0, uint112 _reserve1,) = getReserves(pairs[i]); \r\n reserves[i] = Pool(pairs[i], _reserve0, _reserve1); \r\n } else {\r\n reserves[i] = Pool(pairs[i], 0, 0); \r\n }\r\n }\r\n return reserves;\r\n }\r\n\r\n function getReservesBulk(address[] calldata pools) external view returns (Pool[] memory reserves) {\r\n reserves = new Pool[](pools.length);\r\n \r\n for(uint i = 0; i < pools.length; i++) {\r\n if(isAContract(pools[i])) { \r\n (uint112 _reserve0, uint112 _reserve1,) = getReserves(pools[i]); \r\n reserves[i] = Pool(pools[i], _reserve0, _reserve1); \r\n } else {\r\n reserves[i] = Pool(pools[i], 0, 0); \r\n }\r\n }\r\n return reserves;\r\n }\r\n\r\n function getToken01Bulk(address[] calldata pools) external view returns (Token01[] memory tokens) {\r\n tokens = new Token01[](pools.length);\r\n \r\n for(uint i = 0; i < pools.length; i++) {\r\n if(isAContract(pools[i])) { \r\n address _token0 = getToken0(pools[i]); \r\n address _token1 = getToken1(pools[i]);\r\n tokens[i] = Token01(pools[i], _token0, _token1); \r\n } else {\r\n tokens[i] = Token01(pools[i], address(0), address(0)); \r\n }\r\n }\r\n return tokens;\r\n }\r\n\r\n function getReserves(address pair) internal view returns (uint112, uint112, uint32) {\r\n try IPancakePair(pair).getReserves() returns (uint112 _reserve0, uint112 _reserve1, uint32 blockTimestampLast) {\r\n return (_reserve0, _reserve1, blockTimestampLast);\r\n } catch Error(string memory /*reason*/) {\r\n return (0, 0, 0);\r\n } catch (bytes memory /*lowLevelData*/) {\r\n return (0, 0, 0);\r\n }\r\n }\r\n \r\n function getToken0(address pair) internal view returns (address) {\r\n try IPancakePair(pair).token0() returns (address token) {\r\n return (token);\r\n } catch Error(string memory /*reason*/) {\r\n return (address(0));\r\n } catch (bytes memory /*lowLevelData*/) {\r\n return (address(0));\r\n }\r\n }\r\n\r\n function getToken1(address pair) internal view returns (address) {\r\n try IPancakePair(pair).token1() returns (address token) {\r\n return (token);\r\n } catch Error(string memory /*reason*/) {\r\n return (address(0));\r\n } catch (bytes memory /*lowLevelData*/) {\r\n return (address(0));\r\n }\r\n }\r\n\r\n // check if contract (token, exchange) is actually a smart contract and not a 'regular' address\r\n function isAContract(address contractAddr) internal view returns (bool) {\r\n uint256 codeSize;\r\n assembly { codeSize := extcodesize(contractAddr) } // contract code size\r\n return codeSize > 0; \r\n // Might not be 100% foolproof, but reliable enough for an early return in 'view' functions \r\n }\r\n}\r\n\r\ninterface IPancakePair {\r\n function token0() external view returns (address);\r\n function token1() external view returns (address);\r\n function getReserves() external view returns (uint112, uint112, uint32);\r\n}\r\n\r\ninterface IPancakeFactory {\r\n function allPairsLength() external view returns (uint);\r\n function allPairs(uint index) external view returns (address);\r\n}",
"ABI":"[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"factory\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"start\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"end\",\"type\":\"uint256\"}],\"name\":\"getPairs\",\"outputs\":[{\"internalType\":\"address[]\",\"name\":\"pairs\",\"type\":\"address[]\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"factory\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"start\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"end\",\"type\":\"uint256\"}],\"name\":\"getPairsReserve\",\"outputs\":[{\"components\":[{\"internalType\":\"address\",\"name\":\"pool_address\",\"type\":\"address\"},{\"internalType\":\"uint112\",\"name\":\"reserve0\",\"type\":\"uint112\"},{\"internalType\":\"uint112\",\"name\":\"reserve1\",\"type\":\"uint112\"}],\"internalType\":\"struct BulkFactory.Pool[]\",\"name\":\"reserves\",\"type\":\"tuple[]\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"factory\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"start\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"end\",\"type\":\"uint256\"}],\"name\":\"getPairsToken01\",\"outputs\":[{\"components\":[{\"internalType\":\"address\",\"name\":\"pool_address\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"token0\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"token1\",\"type\":\"address\"}],\"internalType\":\"struct BulkFactory.Token01[]\",\"name\":\"tokens\",\"type\":\"tuple[]\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address[]\",\"name\":\"pools\",\"type\":\"address[]\"}],\"name\":\"getReservesBulk\",\"outputs\":[{\"components\":[{\"internalType\":\"address\",\"name\":\"pool_address\",\"type\":\"address\"},{\"internalType\":\"uint112\",\"name\":\"reserve0\",\"type\":\"uint112\"},{\"internalType\":\"uint112\",\"name\":\"reserve1\",\"type\":\"uint112\"}],\"internalType\":\"struct BulkFactory.Pool[]\",\"name\":\"reserves\",\"type\":\"tuple[]\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address[]\",\"name\":\"pools\",\"type\":\"address[]\"}],\"name\":\"getToken01Bulk\",\"outputs\":[{\"components\":[{\"internalType\":\"address\",\"name\":\"pool_address\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"token0\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"token1\",\"type\":\"address\"}],\"internalType\":\"struct BulkFactory.Token01[]\",\"name\":\"tokens\",\"type\":\"tuple[]\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"factory\",\"type\":\"address\"}],\"name\":\"pairLength\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"}]",
"ContractName":"BulkFactory",
"CompilerVersion":"v0.8.9+commit.e5eed63a",
"OptimizationUsed":"0",
"Runs":"200",
"ConstructorArguments":"",
"EVMVersion":"Default",
"Library":"",
"LicenseType":"None",
"Proxy":"0",
"Implementation":"",
"SwarmSource":"ipfs://95d5fe4631fcc4b4efc07909be73a1f15fe806841ffb112c77b7a7d430edf593"
}
]
}
Submits a contract source code to SnowTrace for verification.
- 1.
- 2.Only supports HTTP POST due to max transfer size limitations for HTTP GET
- 3.Supports up to 10 different library pairs
- 4.Contracts that use "imports" will need to have the code concatenated into one file as we do not support "imports" in separate files.
- 5.List of supported solc versions, only solc version v0.4.11 and above is supported e.g. v0.4.25+commit.59dbf8f1
- 6.Upon successful submission you will receive a GUID (50 characters) as a receipt
- 7.You may use this GUID to track the status of your submission
- 8.
Note: Upon successful submission, a GUID is returned, which can be used to check for submission status.
👇
//Submit Source Code for Verification
$.ajax({
type: "POST", //Only POST supported
url: "//api.snowtrace.io/api", //Set to the correct API url for Other Networks
data: {
apikey: $('#apikey').val(), //A valid API-Key is required
module: 'contract', //Do not change
action: 'verifysourcecode', //Do not change
contractaddress: $('#contractaddress').val(), //Contract Address starts with 0x...
sourceCode: $('#sourceCode').val(), //Contract Source Code (Flattened if necessary)
codeformat: $('#codeformat').val(), //solidity-single-file (default) or solidity-standard-json-input (for std-input-json-format support
contractname: $('#contractname').val(), //ContractName (if codeformat=solidity-standard-json-input, then enter contractname as ex: erc20.sol:erc20)
compilerversion: $('#compilerversion').val(), // see https://snowtrace.io/solcversions for list of support versions
optimizationUsed: $('#optimizationUsed').val(), //0 = No Optimization, 1 = Optimization used (applicable when codeformat=solidity-single-file)
runs: 200, //set to 200 as default unless otherwise (applicable when codeformat=solidity-single-file)
constructorArguements: $('#constructorArguements').val(), //if applicable
evmversion: $('#evmVersion').val(), //leave blank for compiler default, homestead, tangerineWhistle, spuriousDragon, byzantium, constantinople, petersburg, istanbul (applicable when codeformat=solidity-single-file)
licenseType: $('#licenseType').val(), //Valid codes 1-14 where 1=No License .. 14=Business Source License 1.1, see https://snowtrace.io/contract-license-types
libraryname1: $('#libraryname1').val(), //if applicable, a matching pair with libraryaddress1 required
libraryaddress1: $('#libraryaddress1').val(), //if applicable, a matching pair with libraryname1 required
libraryname2: $('#libraryname2').val(), //if applicable, matching pair required
libraryaddress2: $('#libraryaddress2').val(), //if applicable, matching pair required
libraryname3: $('#libraryname3').val(), //if applicable, matching pair required
libraryaddress3: $('#libraryaddress3').val(), //if applicable, matching pair required
libraryname4: $('#libraryname4').val(), //if applicable, matching pair required
libraryaddress4: $('#libraryaddress4').val(), //if applicable, matching pair required
libraryname5: $('#libraryname5').val(), //if applicable, matching pair required
libraryaddress5: $('#libraryaddress5').val(), //if applicable, matching pair required
libraryname6: $('#libraryname6').val(), //if applicable, matching pair required
libraryaddress6: $('#libraryaddress6').val(), //if applicable, matching pair required
libraryname7: $('#libraryname7').val(), //if applicable, matching pair required
libraryaddress7: $('#libraryaddress7').val(), //if applicable, matching pair required
libraryname8: $('#libraryname8').val(), //if applicable, matching pair required
libraryaddress8: $('#libraryaddress8').val(), //if applicable, matching pair required
libraryname9: $('#libraryname9').val(), //if applicable, matching pair required
libraryaddress9: $('#libraryaddress9').val(), //if applicable, matching pair required
libraryname10: $('#libraryname10').val(), //if applicable, matching pair required
libraryaddress10: $('#libraryaddress10').val() //if applicable, matching pair required
},
success: function (result) {
console.log(result);
if (result.status == "1") {
//1 = submission success, use the guid returned (result.result) to check the status of your submission.
// Average time of processing is 30-60 seconds
document.getElementById("postresult").innerHTML = result.status + ";" + result.message + ";" + result.result;
// result.result is the GUID receipt for the submission, you can use this guid for checking the verification status
} else {
//0 = error
document.getElementById("postresult").innerHTML = result.status + ";" + result.message + ";" + result.result;
}
console.log("status : " + result.status);
console.log("result : " + result.result);
},
error: function (result) {
console.log("error!");
document.getElementById("postresult").innerHTML = "Unexpected Error"
}
});
//Check Source Code Verification Status
$.ajax({
type: "GET",
url: "//api.snowtrace.io/api",
data: {
apikey: $('#apikey').val(),
guid: 'ezq878u486pzijkvvmerl6a9mzwhv6sefgvqi5tkwceejc7tvn', //Replace with your Source Code GUID receipt above
module: "contract",
action: "checkverifystatus"
},
success: function (result) {
console.log("status : " + result.status); //0=Error, 1=Pass
console.log("message : " + result.message); //OK, NOTOK
console.log("result : " + result.result); //result explanation
$('#guidstatus').html(">> " + result.result);
},
error: function (result) {
alert('error');
}
});
Submits a proxy contract source code to SnowTrace for verification.
- 1.Requires a valid SnowTrace API key, it will be rejected otherwise
- 2.Current daily limit of 100 submissions per day per user (subject to change)
- 3.Only supports HTTP post
- 4.Upon successful submission you will receive a GUID (50 characters) as a receipt
- 5.You may use this GUID to track the status of your submission
- 6.Verified proxy contracts will display the "Read/Write as Proxy" of the implementation contract under the contract address's contract tab
Request
Response
// example with only the mandatory contract address parameter
curl -d "address=0xcbdcd3815b5f975e1a2c944a9b2cd1c985a1cb7f" "https://api.snowtrace.io/api?module=contract&action=verifyproxycontract&apikey=YourApiKeyToken"
// example using the expectedimplementation optional parameter
// the expectedimplementation enforces a check to ensure the returned implementation contract address == address picked up by the verifier
curl -d "address=0xbc46363a7669f6e12353fa95bb067aead3675c29&expectedimplementation=0xe45a5176bc0f2c1198e2451c4e4501d4ed9b65a6" "https://api.snowtrace.io/api?module=contract&action=verifyproxycontract&apikey=YourApiKeyToken"
// OK
{"status":"1","message":"OK","result":"gwgrrnfy56zf6vc1fljuejwg6pelnc5yns6fg6y2i6zfpgzquz"}
// NOTOK
{"status":"0","message":"NOTOK","result":"Invalid API Key"}
Request
Response
curl "https://api.snowtrace.io/api?module=contract&action=checkproxyverification&guid=gwgrrnfy56zf6vc1fljuejwg6pelnc5yns6fg6y2i6zfpgzquz&apikey=YourApiKeyToken"
// OK
{"status":"1","message":"OK","result":"The proxy's (0xbc46363a7669f6e12353fa95bb067aead3675c29) implementation contract is found at 0xe45a5176bc0f2c1198e2451c4e4501d4ed9b65a6 and is successfully updated."}
// NOTOK
{"status":"0","message":"NOTOK","result":"A corresponding implementation contract was unfortunately not detected for the proxy address."}
Last modified 10mo ago