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BLamy/Casino.sol

Created May 30, 2018 22:40
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Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson-v0.4.19+commit.c4cbbb05.js&optimize=true&gist=
Raw
ballot.sol
pragma solidity ^0.4.0;
contract Ballot {
struct Voter {
uint weight;
bool voted;
uint8 vote;
address delegate;
}
struct Proposal {
uint voteCount;
}
address chairperson;
mapping(address => Voter) voters;
Proposal[] proposals;
/// Create a new ballot with $(_numProposals) different proposals.
function Ballot(uint8 _numProposals) public {
chairperson = msg.sender;
voters[chairperson].weight = 1;
proposals.length = _numProposals;
}
/// Give $(toVoter) the right to vote on this ballot.
/// May only be called by $(chairperson).
function giveRightToVote(address toVoter) public {
if (msg.sender != chairperson || voters[toVoter].voted) return;
voters[toVoter].weight = 1;
}
/// Delegate your vote to the voter $(to).
function delegate(address to) public {
Voter storage sender = voters[msg.sender]; // assigns reference
if (sender.voted) return;
while (voters[to].delegate != address(0) && voters[to].delegate != msg.sender)
to = voters[to].delegate;
if (to == msg.sender) return;
sender.voted = true;
sender.delegate = to;
Voter storage delegateTo = voters[to];
if (delegateTo.voted)
proposals[delegateTo.vote].voteCount += sender.weight;
else
delegateTo.weight += sender.weight;
}
/// Give a single vote to proposal $(toProposal).
function vote(uint8 toProposal) public {
Voter storage sender = voters[msg.sender];
if (sender.voted || toProposal >= proposals.length) return;
sender.voted = true;
sender.vote = toProposal;
proposals[toProposal].voteCount += sender.weight;
}
function winningProposal() public constant returns (uint8 _winningProposal) {
uint256 winningVoteCount = 0;
for (uint8 prop = 0; prop < proposals.length; prop++)
if (proposals[prop].voteCount > winningVoteCount) {
winningVoteCount = proposals[prop].voteCount;
_winningProposal = prop;
}
}
}
Raw
Casino.sol
pragma solidity ^0.4.20;
contract Casino {
address public owner;
uint256 public minimumBet;
uint256 public totalBet;
uint256 public numberOfBets;
uint256 public maxAmountOfBets = 100;
address[] public players;
struct Player {
uint256 amountBet;
uint256 numberSelected;
}
// The address of the player and => the user info
mapping(address => Player) public playerInfo;
function() public payable {}
function Casino(uint256 _minimumBet) public {
owner = msg.sender;
if(_minimumBet != 0 ) minimumBet = _minimumBet;
}
function kill() public {
if(msg.sender == owner) selfdestruct(owner);
}
function checkPlayerExists(address player) public constant returns(bool){
for(uint256 i = 0; i < players.length; i++){
if(players[i] == player) return true;
}
return false;
}
// To bet for a number between 1 and 10 both inclusive
function bet(uint256 numberSelected) public payable {
// require(!checkPlayerExists(msg.sender));
require(numberSelected >= 1 && numberSelected <= 10);
require(msg.value >= minimumBet);
playerInfo[msg.sender].amountBet = msg.value;
playerInfo[msg.sender].numberSelected = numberSelected;
numberOfBets++;
players.push(msg.sender);
totalBet += msg.value;
}
// Generates a number between 1 and 10 that will be the winner
function generateNumberWinner() public {
uint256 numberGenerated = block.number % 10 + 1; // This isn't secure
distributePrizes(numberGenerated);
}
// Sends the corresponding ether to each winner depending on the total bets
function distributePrizes(uint256 numberWinner) public {
address[100] memory winners; // We have to create a temporary in memory array with fixed size
uint256 count = 0; // This is the count for the array of winners
for(uint256 i = 0; i < players.length; i++){
address playerAddress = players[i];
if(playerInfo[playerAddress].numberSelected == numberWinner){
winners[count] = playerAddress;
count++;
}
delete playerInfo[playerAddress]; // Delete all the players
}
players.length = 0; // Delete all the players array
uint256 winnerEtherAmount = totalBet / winners.length; // How much each winner gets
for(uint256 j = 0; j < count; j++){
if(winners[j] != address(0)) // Check that the address in this fixed array is not empty
winners[j].transfer(winnerEtherAmount);
}
resetData();
}
function resetData(){
players.length = 0; // Delete all the players array
totalBet = 0;
numberOfBets = 0;
}
}
Raw
scenario.json
{
"accounts": {
"account{0}": "0xa2f1483110c47495b9cdf73823cd851c2b2b079e",
"account{-1}": "0xa2f1483110c47495b9cdf73823cd851c2b2b079e"
},
"linkReferences": {},
"transactions": [
{
"timestamp": 1526428829617,
"record": {
"value": "0",
"parameters": [
"1"
],
"abi": "0x9166c8d72e513a9e3b8389c11481ec071da93e37370fc62bf99c51a7b869a7dd",
"contractName": "Casino",
"bytecode": 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"linkReferences": {},
"name": "",
"type": "constructor",
"from": "account{0}"
}
},
{
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"parameters": [
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],
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"abi": "0x9166c8d72e513a9e3b8389c11481ec071da93e37370fc62bf99c51a7b869a7dd",
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}
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{
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{
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{
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],
"abi": "0x9166c8d72e513a9e3b8389c11481ec071da93e37370fc62bf99c51a7b869a7dd",
"contractName": "Casino",
"bytecode": "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"linkReferences": {},
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}
},
{
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"abi": "0x9166c8d72e513a9e3b8389c11481ec071da93e37370fc62bf99c51a7b869a7dd",
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{
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{
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"abi": "0x9166c8d72e513a9e3b8389c11481ec071da93e37370fc62bf99c51a7b869a7dd",
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}
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{
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{
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"abi": "0x9166c8d72e513a9e3b8389c11481ec071da93e37370fc62bf99c51a7b869a7dd",
"name": "generateNumberWinner",
"type": "function",
"from": "account{0}"
}
},
{
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"abi": "0x9166c8d72e513a9e3b8389c11481ec071da93e37370fc62bf99c51a7b869a7dd",
"name": "distributePrizes",
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}
},
{
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}
},
{
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"2"
],
"to": "created{1526430942131}",
"abi": "0x9166c8d72e513a9e3b8389c11481ec071da93e37370fc62bf99c51a7b869a7dd",
"name": "distributePrizes",
"type": "function",
"from": "account{0}"
}
},
{
"timestamp": 1526435637243,
"record": {
"value": "0",
"parameters": [],
"to": "created{1526430942131}",
"abi": "0x9166c8d72e513a9e3b8389c11481ec071da93e37370fc62bf99c51a7b869a7dd",
"name": "generateNumberWinner",
"type": "function",
"from": "account{0}"
}
}
],
"abis": {
"0x9166c8d72e513a9e3b8389c11481ec071da93e37370fc62bf99c51a7b869a7dd": [
{
"constant": false,
"inputs": [
{
"name": "numberSelected",
"type": "uint256"
}
],
"name": "bet",
"outputs": [],
"payable": true,
"stateMutability": "payable",
"type": "function"
},
{
"constant": false,
"inputs": [
{
"name": "numberWinner",
"type": "uint256"
}
],
"name": "distributePrizes",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": false,
"inputs": [],
"name": "generateNumberWinner",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": false,
"inputs": [],
"name": "kill",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"payable": true,
"stateMutability": "payable",
"type": "fallback"
},
{
"inputs": [
{
"name": "_minimumBet",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "nonpayable",
"type": "constructor"
},
{
"constant": true,
"inputs": [
{
"name": "player",
"type": "address"
}
],
"name": "checkPlayerExists",
"outputs": [
{
"name": "",
"type": "bool"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [],
"name": "maxAmountOfBets",
"outputs": [
{
"name": "",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [],
"name": "minimumBet",
"outputs": [
{
"name": "",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [],
"name": "numberOfBets",
"outputs": [
{
"name": "",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [],
"name": "owner",
"outputs": [
{
"name": "",
"type": "address"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "",
"type": "address"
}
],
"name": "playerInfo",
"outputs": [
{
"name": "amountBet",
"type": "uint256"
},
{
"name": "numberSelected",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "",
"type": "uint256"
}
],
"name": "players",
"outputs": [
{
"name": "",
"type": "address"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [],
"name": "totalBet",
"outputs": [
{
"name": "",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
}
]
}
}
Raw
Superbowl.sol
pragma solidity ^0.4.11;
// <ORACLIZE_API>
/*
Copyright (c) 2015-2016 Oraclize SRL
Copyright (c) 2016 Oraclize LTD
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
pragma solidity ^0.4.0;//please import oraclizeAPI_pre0.4.sol when solidity < 0.4.0
contract OraclizeI {
address public cbAddress;
function query(uint _timestamp, string _datasource, string _arg) payable returns (bytes32 _id);
function query_withGasLimit(uint _timestamp, string _datasource, string _arg, uint _gaslimit) payable returns (bytes32 _id);
function query2(uint _timestamp, string _datasource, string _arg1, string _arg2) payable returns (bytes32 _id);
function query2_withGasLimit(uint _timestamp, string _datasource, string _arg1, string _arg2, uint _gaslimit) payable returns (bytes32 _id);
function queryN(uint _timestamp, string _datasource, bytes _argN) payable returns (bytes32 _id);
function queryN_withGasLimit(uint _timestamp, string _datasource, bytes _argN, uint _gaslimit) payable returns (bytes32 _id);
function getPrice(string _datasource) returns (uint _dsprice);
function getPrice(string _datasource, uint gaslimit) returns (uint _dsprice);
function useCoupon(string _coupon);
function setProofType(byte _proofType);
function setConfig(bytes32 _config);
function setCustomGasPrice(uint _gasPrice);
function randomDS_getSessionPubKeyHash() returns(bytes32);
}
contract OraclizeAddrResolverI {
function getAddress() returns (address _addr);
}
contract usingOraclize {
uint constant day = 60*60*24;
uint constant week = 60*60*24*7;
uint constant month = 60*60*24*30;
byte constant proofType_NONE = 0x00;
byte constant proofType_TLSNotary = 0x10;
byte constant proofType_Android = 0x20;
byte constant proofType_Ledger = 0x30;
byte constant proofType_Native = 0xF0;
byte constant proofStorage_IPFS = 0x01;
uint8 constant networkID_auto = 0;
uint8 constant networkID_mainnet = 1;
uint8 constant networkID_testnet = 2;
uint8 constant networkID_morden = 2;
uint8 constant networkID_consensys = 161;
OraclizeAddrResolverI OAR;
OraclizeI oraclize;
modifier oraclizeAPI {
if((address(OAR)==0)||(getCodeSize(address(OAR))==0))
oraclize_setNetwork(networkID_auto);
if(address(oraclize) != OAR.getAddress())
oraclize = OraclizeI(OAR.getAddress());
_;
}
modifier coupon(string code){
oraclize = OraclizeI(OAR.getAddress());
oraclize.useCoupon(code);
_;
}
function oraclize_setNetwork(uint8 networkID) internal returns(bool){
if (getCodeSize(0x1d3B2638a7cC9f2CB3D298A3DA7a90B67E5506ed)>0){ //mainnet
OAR = OraclizeAddrResolverI(0x1d3B2638a7cC9f2CB3D298A3DA7a90B67E5506ed);
oraclize_setNetworkName("eth_mainnet");
return true;
}
if (getCodeSize(0xc03A2615D5efaf5F49F60B7BB6583eaec212fdf1)>0){ //ropsten testnet
OAR = OraclizeAddrResolverI(0xc03A2615D5efaf5F49F60B7BB6583eaec212fdf1);
oraclize_setNetworkName("eth_ropsten3");
return true;
}
if (getCodeSize(0xB7A07BcF2Ba2f2703b24C0691b5278999C59AC7e)>0){ //kovan testnet
OAR = OraclizeAddrResolverI(0xB7A07BcF2Ba2f2703b24C0691b5278999C59AC7e);
oraclize_setNetworkName("eth_kovan");
return true;
}
if (getCodeSize(0x146500cfd35B22E4A392Fe0aDc06De1a1368Ed48)>0){ //rinkeby testnet
OAR = OraclizeAddrResolverI(0x146500cfd35B22E4A392Fe0aDc06De1a1368Ed48);
oraclize_setNetworkName("eth_rinkeby");
return true;
}
if (getCodeSize(0x6f485C8BF6fc43eA212E93BBF8ce046C7f1cb475)>0){ //ethereum-bridge
OAR = OraclizeAddrResolverI(0x6f485C8BF6fc43eA212E93BBF8ce046C7f1cb475);
return true;
}
if (getCodeSize(0x20e12A1F859B3FeaE5Fb2A0A32C18F5a65555bBF)>0){ //ether.camp ide
OAR = OraclizeAddrResolverI(0x20e12A1F859B3FeaE5Fb2A0A32C18F5a65555bBF);
return true;
}
if (getCodeSize(0x51efaF4c8B3C9AfBD5aB9F4bbC82784Ab6ef8fAA)>0){ //browser-solidity
OAR = OraclizeAddrResolverI(0x51efaF4c8B3C9AfBD5aB9F4bbC82784Ab6ef8fAA);
return true;
}
return false;
}
function __callback(bytes32 myid, string result) {
__callback(myid, result, new bytes(0));
}
function __callback(bytes32 myid, string result, bytes proof) {
}
function oraclize_useCoupon(string code) oraclizeAPI internal {
oraclize.useCoupon(code);
}
function oraclize_getPrice(string datasource) oraclizeAPI internal returns (uint){
return oraclize.getPrice(datasource);
}
function oraclize_getPrice(string datasource, uint gaslimit) oraclizeAPI internal returns (uint){
return oraclize.getPrice(datasource, gaslimit);
}
function oraclize_query(string datasource, string arg) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query.value(price)(0, datasource, arg);
}
function oraclize_query(uint timestamp, string datasource, string arg) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query.value(price)(timestamp, datasource, arg);
}
function oraclize_query(uint timestamp, string datasource, string arg, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query_withGasLimit.value(price)(timestamp, datasource, arg, gaslimit);
}
function oraclize_query(string datasource, string arg, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query_withGasLimit.value(price)(0, datasource, arg, gaslimit);
}
function oraclize_query(string datasource, string arg1, string arg2) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query2.value(price)(0, datasource, arg1, arg2);
}
function oraclize_query(uint timestamp, string datasource, string arg1, string arg2) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query2.value(price)(timestamp, datasource, arg1, arg2);
}
function oraclize_query(uint timestamp, string datasource, string arg1, string arg2, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query2_withGasLimit.value(price)(timestamp, datasource, arg1, arg2, gaslimit);
}
function oraclize_query(string datasource, string arg1, string arg2, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query2_withGasLimit.value(price)(0, datasource, arg1, arg2, gaslimit);
}
function oraclize_query(string datasource, string[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN.value(price)(0, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, string[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN.value(price)(timestamp, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, string[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(timestamp, datasource, args, gaslimit);
}
function oraclize_query(string datasource, string[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(0, datasource, args, gaslimit);
}
function oraclize_query(string datasource, string[1] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[1] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[2] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[2] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[3] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[3] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[4] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[4] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[5] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[5] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN.value(price)(0, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, bytes[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN.value(price)(timestamp, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, bytes[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(timestamp, datasource, args, gaslimit);
}
function oraclize_query(string datasource, bytes[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(0, datasource, args, gaslimit);
}
function oraclize_query(string datasource, bytes[1] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[1] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[2] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[2] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[3] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[3] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[4] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[4] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[5] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[5] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_cbAddress() oraclizeAPI internal returns (address){
return oraclize.cbAddress();
}
function oraclize_setProof(byte proofP) oraclizeAPI internal {
return oraclize.setProofType(proofP);
}
function oraclize_setCustomGasPrice(uint gasPrice) oraclizeAPI internal {
return oraclize.setCustomGasPrice(gasPrice);
}
function oraclize_setConfig(bytes32 config) oraclizeAPI internal {
return oraclize.setConfig(config);
}
function oraclize_randomDS_getSessionPubKeyHash() oraclizeAPI internal returns (bytes32){
return oraclize.randomDS_getSessionPubKeyHash();
}
function getCodeSize(address _addr) constant internal returns(uint _size) {
assembly {
_size := extcodesize(_addr)
}
}
function parseAddr(string _a) internal returns (address){
bytes memory tmp = bytes(_a);
uint160 iaddr = 0;
uint160 b1;
uint160 b2;
for (uint i=2; i<2+2*20; i+=2){
iaddr *= 256;
b1 = uint160(tmp[i]);
b2 = uint160(tmp[i+1]);
if ((b1 >= 97)&&(b1 <= 102)) b1 -= 87;
else if ((b1 >= 65)&&(b1 <= 70)) b1 -= 55;
else if ((b1 >= 48)&&(b1 <= 57)) b1 -= 48;
if ((b2 >= 97)&&(b2 <= 102)) b2 -= 87;
else if ((b2 >= 65)&&(b2 <= 70)) b2 -= 55;
else if ((b2 >= 48)&&(b2 <= 57)) b2 -= 48;
iaddr += (b1*16+b2);
}
return address(iaddr);
}
function strCompare(string _a, string _b) internal returns (int) {
bytes memory a = bytes(_a);
bytes memory b = bytes(_b);
uint minLength = a.length;
if (b.length < minLength) minLength = b.length;
for (uint i = 0; i < minLength; i ++)
if (a[i] < b[i])
return -1;
else if (a[i] > b[i])
return 1;
if (a.length < b.length)
return -1;
else if (a.length > b.length)
return 1;
else
return 0;
}
function indexOf(string _haystack, string _needle) internal returns (int) {
bytes memory h = bytes(_haystack);
bytes memory n = bytes(_needle);
if(h.length < 1 || n.length < 1 || (n.length > h.length))
return -1;
else if(h.length > (2**128 -1))
return -1;
else
{
uint subindex = 0;
for (uint i = 0; i < h.length; i ++)
{
if (h[i] == n[0])
{
subindex = 1;
while(subindex < n.length && (i + subindex) < h.length && h[i + subindex] == n[subindex])
{
subindex++;
}
if(subindex == n.length)
return int(i);
}
}
return -1;
}
}
function strConcat(string _a, string _b, string _c, string _d, string _e) internal returns (string) {
bytes memory _ba = bytes(_a);
bytes memory _bb = bytes(_b);
bytes memory _bc = bytes(_c);
bytes memory _bd = bytes(_d);
bytes memory _be = bytes(_e);
string memory abcde = new string(_ba.length + _bb.length + _bc.length + _bd.length + _be.length);
bytes memory babcde = bytes(abcde);
uint k = 0;
for (uint i = 0; i < _ba.length; i++) babcde[k++] = _ba[i];
for (i = 0; i < _bb.length; i++) babcde[k++] = _bb[i];
for (i = 0; i < _bc.length; i++) babcde[k++] = _bc[i];
for (i = 0; i < _bd.length; i++) babcde[k++] = _bd[i];
for (i = 0; i < _be.length; i++) babcde[k++] = _be[i];
return string(babcde);
}
function strConcat(string _a, string _b, string _c, string _d) internal returns (string) {
return strConcat(_a, _b, _c, _d, "");
}
function strConcat(string _a, string _b, string _c) internal returns (string) {
return strConcat(_a, _b, _c, "", "");
}
function strConcat(string _a, string _b) internal returns (string) {
return strConcat(_a, _b, "", "", "");
}
// parseInt
function parseInt(string _a) internal returns (uint) {
return parseInt(_a, 0);
}
// parseInt(parseFloat*10^_b)
function parseInt(string _a, uint _b) internal returns (uint) {
bytes memory bresult = bytes(_a);
uint mint = 0;
bool decimals = false;
for (uint i=0; i<bresult.length; i++){
if ((bresult[i] >= 48)&&(bresult[i] <= 57)){
if (decimals){
if (_b == 0) break;
else _b--;
}
mint *= 10;
mint += uint(bresult[i]) - 48;
} else if (bresult[i] == 46) decimals = true;
}
if (_b > 0) mint *= 10**_b;
return mint;
}
function uint2str(uint i) internal returns (string){
if (i == 0) return "0";
uint j = i;
uint len;
while (j != 0){
len++;
j /= 10;
}
bytes memory bstr = new bytes(len);
uint k = len - 1;
while (i != 0){
bstr[k--] = byte(48 + i % 10);
i /= 10;
}
return string(bstr);
}
function stra2cbor(string[] arr) internal returns (bytes) {
uint arrlen = arr.length;
// get correct cbor output length
uint outputlen = 0;
bytes[] memory elemArray = new bytes[](arrlen);
for (uint i = 0; i < arrlen; i++) {
elemArray[i] = (bytes(arr[i]));
outputlen += elemArray[i].length + (elemArray[i].length - 1)/23 + 3; //+3 accounts for paired identifier types
}
uint ctr = 0;
uint cborlen = arrlen + 0x80;
outputlen += byte(cborlen).length;
bytes memory res = new bytes(outputlen);
while (byte(cborlen).length > ctr) {
res[ctr] = byte(cborlen)[ctr];
ctr++;
}
for (i = 0; i < arrlen; i++) {
res[ctr] = 0x5F;
ctr++;
for (uint x = 0; x < elemArray[i].length; x++) {
// if there's a bug with larger strings, this may be the culprit
if (x % 23 == 0) {
uint elemcborlen = elemArray[i].length - x >= 24 ? 23 : elemArray[i].length - x;
elemcborlen += 0x40;
uint lctr = ctr;
while (byte(elemcborlen).length > ctr - lctr) {
res[ctr] = byte(elemcborlen)[ctr - lctr];
ctr++;
}
}
res[ctr] = elemArray[i][x];
ctr++;
}
res[ctr] = 0xFF;
ctr++;
}
return res;
}
function ba2cbor(bytes[] arr) internal returns (bytes) {
uint arrlen = arr.length;
// get correct cbor output length
uint outputlen = 0;
bytes[] memory elemArray = new bytes[](arrlen);
for (uint i = 0; i < arrlen; i++) {
elemArray[i] = (bytes(arr[i]));
outputlen += elemArray[i].length + (elemArray[i].length - 1)/23 + 3; //+3 accounts for paired identifier types
}
uint ctr = 0;
uint cborlen = arrlen + 0x80;
outputlen += byte(cborlen).length;
bytes memory res = new bytes(outputlen);
while (byte(cborlen).length > ctr) {
res[ctr] = byte(cborlen)[ctr];
ctr++;
}
for (i = 0; i < arrlen; i++) {
res[ctr] = 0x5F;
ctr++;
for (uint x = 0; x < elemArray[i].length; x++) {
// if there's a bug with larger strings, this may be the culprit
if (x % 23 == 0) {
uint elemcborlen = elemArray[i].length - x >= 24 ? 23 : elemArray[i].length - x;
elemcborlen += 0x40;
uint lctr = ctr;
while (byte(elemcborlen).length > ctr - lctr) {
res[ctr] = byte(elemcborlen)[ctr - lctr];
ctr++;
}
}
res[ctr] = elemArray[i][x];
ctr++;
}
res[ctr] = 0xFF;
ctr++;
}
return res;
}
string oraclize_network_name;
function oraclize_setNetworkName(string _network_name) internal {
oraclize_network_name = _network_name;
}
function oraclize_getNetworkName() internal returns (string) {
return oraclize_network_name;
}
function oraclize_newRandomDSQuery(uint _delay, uint _nbytes, uint _customGasLimit) internal returns (bytes32){
if ((_nbytes == 0)||(_nbytes > 32)) throw;
bytes memory nbytes = new bytes(1);
nbytes[0] = byte(_nbytes);
bytes memory unonce = new bytes(32);
bytes memory sessionKeyHash = new bytes(32);
bytes32 sessionKeyHash_bytes32 = oraclize_randomDS_getSessionPubKeyHash();
assembly {
mstore(unonce, 0x20)
mstore(add(unonce, 0x20), xor(blockhash(sub(number, 1)), xor(coinbase, timestamp)))
mstore(sessionKeyHash, 0x20)
mstore(add(sessionKeyHash, 0x20), sessionKeyHash_bytes32)
}
bytes[3] memory args = [unonce, nbytes, sessionKeyHash];
bytes32 queryId = oraclize_query(_delay, "random", args, _customGasLimit);
oraclize_randomDS_setCommitment(queryId, sha3(bytes8(_delay), args[1], sha256(args[0]), args[2]));
return queryId;
}
function oraclize_randomDS_setCommitment(bytes32 queryId, bytes32 commitment) internal {
oraclize_randomDS_args[queryId] = commitment;
}
mapping(bytes32=>bytes32) oraclize_randomDS_args;
mapping(bytes32=>bool) oraclize_randomDS_sessionKeysHashVerified;
function verifySig(bytes32 tosignh, bytes dersig, bytes pubkey) internal returns (bool){
bool sigok;
address signer;
bytes32 sigr;
bytes32 sigs;
bytes memory sigr_ = new bytes(32);
uint offset = 4+(uint(dersig[3]) - 0x20);
sigr_ = copyBytes(dersig, offset, 32, sigr_, 0);
bytes memory sigs_ = new bytes(32);
offset += 32 + 2;
sigs_ = copyBytes(dersig, offset+(uint(dersig[offset-1]) - 0x20), 32, sigs_, 0);
assembly {
sigr := mload(add(sigr_, 32))
sigs := mload(add(sigs_, 32))
}
(sigok, signer) = safer_ecrecover(tosignh, 27, sigr, sigs);
if (address(sha3(pubkey)) == signer) return true;
else {
(sigok, signer) = safer_ecrecover(tosignh, 28, sigr, sigs);
return (address(sha3(pubkey)) == signer);
}
}
function oraclize_randomDS_proofVerify__sessionKeyValidity(bytes proof, uint sig2offset) internal returns (bool) {
bool sigok;
// Step 6: verify the attestation signature, APPKEY1 must sign the sessionKey from the correct ledger app (CODEHASH)
bytes memory sig2 = new bytes(uint(proof[sig2offset+1])+2);
copyBytes(proof, sig2offset, sig2.length, sig2, 0);
bytes memory appkey1_pubkey = new bytes(64);
copyBytes(proof, 3+1, 64, appkey1_pubkey, 0);
bytes memory tosign2 = new bytes(1+65+32);
tosign2[0] = 1; //role
copyBytes(proof, sig2offset-65, 65, tosign2, 1);
bytes memory CODEHASH = hex"fd94fa71bc0ba10d39d464d0d8f465efeef0a2764e3887fcc9df41ded20f505c";
copyBytes(CODEHASH, 0, 32, tosign2, 1+65);
sigok = verifySig(sha256(tosign2), sig2, appkey1_pubkey);
if (sigok == false) return false;
// Step 7: verify the APPKEY1 provenance (must be signed by Ledger)
bytes memory LEDGERKEY = hex"7fb956469c5c9b89840d55b43537e66a98dd4811ea0a27224272c2e5622911e8537a2f8e86a46baec82864e98dd01e9ccc2f8bc5dfc9cbe5a91a290498dd96e4";
bytes memory tosign3 = new bytes(1+65);
tosign3[0] = 0xFE;
copyBytes(proof, 3, 65, tosign3, 1);
bytes memory sig3 = new bytes(uint(proof[3+65+1])+2);
copyBytes(proof, 3+65, sig3.length, sig3, 0);
sigok = verifySig(sha256(tosign3), sig3, LEDGERKEY);
return sigok;
}
modifier oraclize_randomDS_proofVerify(bytes32 _queryId, string _result, bytes _proof) {
// Step 1: the prefix has to match 'LP\x01' (Ledger Proof version 1)
if ((_proof[0] != "L")||(_proof[1] != "P")||(_proof[2] != 1)) throw;
bool proofVerified = oraclize_randomDS_proofVerify__main(_proof, _queryId, bytes(_result), oraclize_getNetworkName());
if (proofVerified == false) throw;
_;
}
function oraclize_randomDS_proofVerify__returnCode(bytes32 _queryId, string _result, bytes _proof) internal returns (uint8){
// Step 1: the prefix has to match 'LP\x01' (Ledger Proof version 1)
if ((_proof[0] != "L")||(_proof[1] != "P")||(_proof[2] != 1)) return 1;
bool proofVerified = oraclize_randomDS_proofVerify__main(_proof, _queryId, bytes(_result), oraclize_getNetworkName());
if (proofVerified == false) return 2;
return 0;
}
function matchBytes32Prefix(bytes32 content, bytes prefix, uint n_random_bytes) internal returns (bool){
bool match_ = true;
for (uint256 i=0; i< n_random_bytes; i++) {
if (content[i] != prefix[i]) match_ = false;
}
return match_;
}
function oraclize_randomDS_proofVerify__main(bytes proof, bytes32 queryId, bytes result, string context_name) internal returns (bool){
// Step 2: the unique keyhash has to match with the sha256 of (context name + queryId)
uint ledgerProofLength = 3+65+(uint(proof[3+65+1])+2)+32;
bytes memory keyhash = new bytes(32);
copyBytes(proof, ledgerProofLength, 32, keyhash, 0);
if (!(sha3(keyhash) == sha3(sha256(context_name, queryId)))) return false;
bytes memory sig1 = new bytes(uint(proof[ledgerProofLength+(32+8+1+32)+1])+2);
copyBytes(proof, ledgerProofLength+(32+8+1+32), sig1.length, sig1, 0);
// Step 3: we assume sig1 is valid (it will be verified during step 5) and we verify if 'result' is the prefix of sha256(sig1)
if (!matchBytes32Prefix(sha256(sig1), result, uint(proof[ledgerProofLength+32+8]))) return false;
// Step 4: commitment match verification, sha3(delay, nbytes, unonce, sessionKeyHash) == commitment in storage.
// This is to verify that the computed args match with the ones specified in the query.
bytes memory commitmentSlice1 = new bytes(8+1+32);
copyBytes(proof, ledgerProofLength+32, 8+1+32, commitmentSlice1, 0);
bytes memory sessionPubkey = new bytes(64);
uint sig2offset = ledgerProofLength+32+(8+1+32)+sig1.length+65;
copyBytes(proof, sig2offset-64, 64, sessionPubkey, 0);
bytes32 sessionPubkeyHash = sha256(sessionPubkey);
if (oraclize_randomDS_args[queryId] == sha3(commitmentSlice1, sessionPubkeyHash)){ //unonce, nbytes and sessionKeyHash match
delete oraclize_randomDS_args[queryId];
} else return false;
// Step 5: validity verification for sig1 (keyhash and args signed with the sessionKey)
bytes memory tosign1 = new bytes(32+8+1+32);
copyBytes(proof, ledgerProofLength, 32+8+1+32, tosign1, 0);
if (!verifySig(sha256(tosign1), sig1, sessionPubkey)) return false;
// verify if sessionPubkeyHash was verified already, if not.. let's do it!
if (oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash] == false){
oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash] = oraclize_randomDS_proofVerify__sessionKeyValidity(proof, sig2offset);
}
return oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash];
}
// the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
function copyBytes(bytes from, uint fromOffset, uint length, bytes to, uint toOffset) internal returns (bytes) {
uint minLength = length + toOffset;
if (to.length < minLength) {
// Buffer too small
throw; // Should be a better way?
}
// NOTE: the offset 32 is added to skip the `size` field of both bytes variables
uint i = 32 + fromOffset;
uint j = 32 + toOffset;
while (i < (32 + fromOffset + length)) {
assembly {
let tmp := mload(add(from, i))
mstore(add(to, j), tmp)
}
i += 32;
j += 32;
}
return to;
}
// the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
// Duplicate Solidity's ecrecover, but catching the CALL return value
function safer_ecrecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal returns (bool, address) {
// We do our own memory management here. Solidity uses memory offset
// 0x40 to store the current end of memory. We write past it (as
// writes are memory extensions), but don't update the offset so
// Solidity will reuse it. The memory used here is only needed for
// this context.
// FIXME: inline assembly can't access return values
bool ret;
address addr;
assembly {
let size := mload(0x40)
mstore(size, hash)
mstore(add(size, 32), v)
mstore(add(size, 64), r)
mstore(add(size, 96), s)
// NOTE: we can reuse the request memory because we deal with
// the return code
ret := call(3000, 1, 0, size, 128, size, 32)
addr := mload(size)
}
return (ret, addr);
}
// the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
function ecrecovery(bytes32 hash, bytes sig) internal returns (bool, address) {
bytes32 r;
bytes32 s;
uint8 v;
if (sig.length != 65)
return (false, 0);
// The signature format is a compact form of:
// {bytes32 r}{bytes32 s}{uint8 v}
// Compact means, uint8 is not padded to 32 bytes.
assembly {
r := mload(add(sig, 32))
s := mload(add(sig, 64))
// Here we are loading the last 32 bytes. We exploit the fact that
// 'mload' will pad with zeroes if we overread.
// There is no 'mload8' to do this, but that would be nicer.
v := byte(0, mload(add(sig, 96)))
// Alternative solution:
// 'byte' is not working due to the Solidity parser, so lets
// use the second best option, 'and'
// v := and(mload(add(sig, 65)), 255)
}
// albeit non-transactional signatures are not specified by the YP, one would expect it
// to match the YP range of [27, 28]
//
// geth uses [0, 1] and some clients have followed. This might change, see:
// https://github.com/ethereum/go-ethereum/issues/2053
if (v < 27)
v += 27;
if (v != 27 && v != 28)
return (false, 0);
return safer_ecrecover(hash, v, r, s);
}
}
// </ORACLIZE_API>
contract Superbowl is usingOraclize {
/* Declaration */
address owner;
address[2] public BOOKIES = [0xdd870fa1b7c4700f2bd7f44238821c26f7392148, 0x583031d1113ad414f02576bd6afabfb302140225];
uint public constant NUM_TEAMS = 2;
string[NUM_TEAMS] public TEAM_NAMES = ["Philadelphia Eagles", "New England Patriots"];
enum TeamType { PAEagles, NEPatriots, None } // Philadelphia Eagles vs. New England Patriots
TeamType public winningTeam = TeamType.None;
uint public constant BOOKIE_POOL_COMMISSION = 10; // The bookies take 10%
uint public constant MINIMUM_BET = 0.01 ether; // 0.01 ETH is min bet
uint public constant BETTING_OPENS = 1527719668; // Currently before deployment
uint public constant BETTING_CLOSES = 1527722668; // Feb 4, 3:29pm PST
uint public constant PAYOUT_ATTEMPT_INTERVAL = 6400; // 24 hours
uint public constant BET_RELEASE_DATE = 1527723668; // If payouts haven't been completed by this date, bets are released back to the betters (Feb 11, 3.30pm PST)
uint public constant PAYOUT_DATE = BETTING_CLOSES + PAYOUT_ATTEMPT_INTERVAL; // Feb 5, 3:29 PST
bool public scheduledPayout;
bool public payoutCompleted;
struct Better {
uint[NUM_TEAMS] amountsBet;
}
mapping(address => Better) betterInfo;
address[] betters;
uint[NUM_TEAMS] public totalAmountsBet;
uint public numberOfBets;
uint public totalBetAmount;
/* Events */
event BetMade();
/* Modifiers */
// Modifier to only allow the execution of
// payout related functions when winning team
// is determined
modifier canPerformPayout() {
if (winningTeam != TeamType.None && !payoutCompleted && now > BETTING_CLOSES) _;
}
// Modifier to only allow the execution of
// certain functions when betting is closed
modifier bettingIsClosed() {
if (now > BETTING_CLOSES) _;
}
// Modifier to only allow the execution of
// certain functions restricted to the bookies
modifier onlyBookieLevel() {
require(
BOOKIES[0] == msg.sender || BOOKIES[1] == msg.sender
);
_;
}
/* Functions */
// Constructor
function Superbowl() public {
owner = msg.sender;
pingOracle(PAYOUT_DATE - now); // Schedule payout at first manual scheduled time
}
function pingOracle(uint pingDelay) private {
// Schedule the determination of winning team
// at the delay passed. This can be triggered
// multiple times, but as soon as the payout occurs
// the function does not do anything
oraclize_query(pingDelay, "WolframAlpha", "Super Bowl LII Winner");
}
// Callback from Oraclize
function __callback(bytes32 queryId, string result, bytes proof) public {
require(payoutCompleted == false);
require(msg.sender == oraclize_cbAddress());
// Determine winning team index based
// on its name that the request returned
if (keccak256(TEAM_NAMES[0]) == keccak256(result)) {
winningTeam = TeamType(0);
}
else if (keccak256(TEAM_NAMES[1]) == keccak256(result)) {
winningTeam = TeamType(1);
}
// If there's an error (failed authenticity proof, result
// didn't match any team), then we reschedule the
// query for later.
if (winningTeam == TeamType.None) {
// Except for if we are past the point of releasing bets.
if (now >= BET_RELEASE_DATE)
return releaseBets();
return pingOracle(PAYOUT_ATTEMPT_INTERVAL);
}
performPayout();
}
// Returns the total amounts betted for
// the sender
function getUserBets() public constant returns(uint[NUM_TEAMS]) {
return betterInfo[msg.sender].amountsBet;
}
// Release all the bets back to the betters
// if, for any reason, payouts cannot be
// completed
function releaseBets() private {
uint storedBalance = this.balance;
for (uint k = 0; k < betters.length; k++) {
uint totalBet = betterInfo[betters[k]].amountsBet[0] + betterInfo[betters[k]].amountsBet[1];
betters[k].transfer(totalBet * storedBalance / totalBetAmount);
}
}
// Returns true if we can bet (in betting window)
function canBet() public constant returns(bool) {
return (now >= BETTING_OPENS && now < BETTING_CLOSES);
}
// We (bookies) can trigger a payout
// immediately, before the scheduled payout,
// if the data source has already been updated.
// This is so people can get their $$$ ASAP.
function triggerPayout() public onlyBookieLevel {
pingOracle(0);
}
// Function for user to bet on team idx,
// where 0 = Eagles and 1 = Patriots
function bet(uint teamIdx) public payable {
require(canBet() == true);
require(TeamType(teamIdx) == TeamType.PAEagles || TeamType(teamIdx) == TeamType.NEPatriots);
require(msg.value >= MINIMUM_BET);
// Add better to better list if they
// aren't already in it
if (betterInfo[msg.sender].amountsBet[0] == 0 && betterInfo[msg.sender].amountsBet[1] == 0)
betters.push(msg.sender);
// Perform bet
betterInfo[msg.sender].amountsBet[teamIdx] += msg.value;
numberOfBets++;
totalBetAmount += msg.value;
totalAmountsBet[teamIdx] += msg.value;
BetMade(); // Trigger event
}
// Performs payout based on winning team
function performPayout() private canPerformPayout {
// Calculate total pool of ETH
// betted for all different teams,
// and for the winning pool.
uint losingChunk = this.balance - totalAmountsBet[uint(winningTeam)];
uint bookiePayout = losingChunk / BOOKIE_POOL_COMMISSION; // Payout to the bookies; commission of losing pot
// Equal weight payout to the bookies
BOOKIES[0].transfer(bookiePayout / BOOKIES.length);
BOOKIES[1].transfer(bookiePayout / BOOKIES.length);
// Weighted payout to betters based on
// their contribution to the winning pool
for (uint k = 0; k < betters.length; k++) {
uint betOnWinner = betterInfo[betters[k]].amountsBet[uint(winningTeam)];
uint payout = betOnWinner + ((betOnWinner * (losingChunk - bookiePayout)) / totalAmountsBet[uint(winningTeam)]);
if (payout > 0)
betters[k].transfer(payout);
}
payoutCompleted = true;
}
}
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