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Dharmik79 committed Feb 18, 2024
2 parents bf9b73c + a67260e commit 7603175
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385 changes: 214 additions & 171 deletions packages/hardhat/contracts/UrbanOdyssey.sol
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Expand Up @@ -6,175 +6,218 @@ import "./lib/Structs.sol";
import "./storage/OdysseyStorage.sol";

contract UrbanOdyssey is ERC1155, OdysseyStorage {
// URIs for each token type
uint256 private constant ENERGY = 0;
uint256 private constant CHIPS = 1;
uint256 private locationCounter = 10;

constructor() ERC1155("UrbanOdyssey") {
deployer = msg.sender;
tokenURIs[ENERGY] = "https://ipfs.io/ipfs/bafybeihyr5454x44k6mthlibvzvwhezgql5ps25c4l7egd4df4fg4jzxwm";
tokenURIs[CHIPS] = "https://ipfs.io/ipfs/bafkreietcrmhbmbutgglkg4g2mg2dep5b4d3ngdkbte4n3s53rzrxwihti";
}

receive() external payable {}

function registerPlayer(
string memory _name,
string memory _homeTown,
bytes32 _msgHash,
bytes memory _signature,
Structs.Faction _faction
) public {
require(!isRegistered[msg.sender], "Player is already registered.");
require(isVerified(_msgHash, _signature), "Invalid Txn Source");

// Set player info
players[msg.sender] = Structs.Player({
verifiedPlaces: 0,
registeredPlaces: 0,
isVerified: true,
name: _name,
hometown: _homeTown,
faction: _faction
});

isRegistered[msg.sender] = true;

// Mint +100 Energy/Chips based on faction
if (_faction == Structs.Faction.EcoGuardian) {
_mint(msg.sender, ENERGY, 1000, "");
} else if (_faction == Structs.Faction.TechnoMad) {
_mint(msg.sender, CHIPS, 1000, "");
}
}

// TODO By Shyam: figure out verification part
function registerAndVerifyPlace(string memory _locationName, string memory _locationType, string memory _uri)
public
payable
{
require(isRegistered[msg.sender], "Only players can register places");

// Check if the player has enough resources
uint256 registrationCost = 200;
if (players[msg.sender].faction == Structs.Faction.EcoGuardian) {
// EcoGuardians use Energy
require(balanceOf(msg.sender, ENERGY) >= registrationCost, "Not enough Energy");
_burn(msg.sender, ENERGY, registrationCost);
} else if (players[msg.sender].faction == Structs.Faction.EcoGuardian) {
// TechnoMads use Chips
require(balanceOf(msg.sender, CHIPS) >= registrationCost, "Not enough Chips");
_burn(msg.sender, CHIPS, registrationCost);
}

// Proceed with place registration
locations[locationCounter] = Structs.Location({
registeredBy: msg.sender,
level: 0,
placeName: _locationName,
placeType: _locationType,
faction: players[msg.sender].faction
});

players[msg.sender].registeredPlaces++;
players[msg.sender].verifiedPlaces++;

_mint(msg.sender, locationCounter, 1, "");
tokenURIs[locationCounter] = _uri;
++locationCounter;
}

function getAllLocations() public view returns (Structs.Location[] memory) {
uint256 counter = locationCounter - 10;
Structs.Location[] memory allLocations = new Structs.Location[](counter+1);

for (uint256 i = 0; i < locationCounter - 10; ++i) {
allLocations[i].registeredBy = locations[i + 10].registeredBy;
allLocations[i].placeName = locations[i + 10].placeName;
allLocations[i].placeType = locations[i + 10].placeType;
allLocations[i].level = locations[i + 10].level;
allLocations[i].faction = locations[i + 10].faction;
}

return allLocations;
}

// TODO: by shyam
// verifyPlace(+100);

function upgradePlace(uint256 _locationId) public returns (bool success) {
require(isRegistered[msg.sender], "Only players can register places");
require(locations[_locationId].faction == players[msg.sender].faction, "Faction Mismatch");

uint256 upgradeCost = 1000;
if (players[msg.sender].faction == Structs.Faction.EcoGuardian) {
// EcoGuardians use Energy
require(balanceOf(msg.sender, ENERGY) >= upgradeCost, "Not enough Energy");
_burn(msg.sender, ENERGY, upgradeCost);
} else if (players[msg.sender].faction == Structs.Faction.EcoGuardian) {
// TechnoMads use Chips
require(balanceOf(msg.sender, CHIPS) >= upgradeCost, "Not enough Chips");
_burn(msg.sender, CHIPS, upgradeCost);
}

++locations[_locationId].level;

return true;
}

// Function to set URI for a specific token
// function _setUri(uint256 tokenId, string memory newUri) internal {
// require(bytes(newUri).length != 0, "URI cannot be empty");
// tokenURIs[tokenId] = newUri;
// emit URI(newUri, tokenId);
// }

// Function to get a player's Energy balance
function getENERGYBalance(address _player) external view returns (uint256) {
return balanceOf(_player, ENERGY);
}

// Function to get a player's Chips balance
function getCHIPSBalance(address _player) external view returns (uint256) {
return balanceOf(_player, CHIPS);
}

function isVerified(bytes32 _messageHash, bytes memory _signature) public view returns (bool) {
// The ethSignedMessageHash is the hash that the signer actually signed
bytes32 ethSignedMessageHash = getEthSignedMessageHash(_messageHash);

// Recover the signer's address from the signature
address signer = recoverSigner(ethSignedMessageHash, _signature);

require(signer == deployer, "Unauthorized Contract call");

return true;
}

function getEthSignedMessageHash(bytes32 _messageHash) public pure returns (bytes32) {
return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", _messageHash));
}

function recoverSigner(bytes32 _ethSignedMessageHash, bytes memory _signature) public pure returns (address) {
(uint8 v, bytes32 r, bytes32 s) = splitSignature(_signature);
return ecrecover(_ethSignedMessageHash, v, r, s);
}

function splitSignature(bytes memory sig) public pure returns (uint8, bytes32, bytes32) {
require(sig.length == 65, "invalid signature length");
bytes32 r;
bytes32 s;
uint8 v;

assembly {
// first 32 bytes, after the length prefix
r := mload(add(sig, 32))
// second 32 bytes
s := mload(add(sig, 64))
// final byte (first byte of the next 32 bytes)
v := byte(0, mload(add(sig, 96)))
}
return (v, r, s);
}
// URIs for each token type
uint256 private constant ENERGY = 0;
uint256 private constant CHIPS = 1;
uint256 private locationCounter = 10;

constructor() ERC1155("UrbanOdyssey") {
deployer = msg.sender;
tokenURIs[
ENERGY
] = "https://ipfs.io/ipfs/bafybeihyr5454x44k6mthlibvzvwhezgql5ps25c4l7egd4df4fg4jzxwm";
tokenURIs[
CHIPS
] = "https://ipfs.io/ipfs/bafkreietcrmhbmbutgglkg4g2mg2dep5b4d3ngdkbte4n3s53rzrxwihti";
}

receive() external payable {}

function registerPlayer(
string memory _name,
string memory _homeTown,
bytes32 _msgHash,
bytes memory _signature,
Structs.Faction _faction
) public {
require(!isRegistered[msg.sender], "Player is already registered.");
require(isVerified(_msgHash, _signature), "Invalid Txn Source");

// Set player info
players[msg.sender] = Structs.Player({
verifiedPlaces: 0,
registeredPlaces: 0,
isVerified: true,
name: _name,
hometown: _homeTown,
faction: _faction
});

isRegistered[msg.sender] = true;

// Mint +100 Energy/Chips based on faction
if (_faction == Structs.Faction.EcoGuardian) {
_mint(msg.sender, ENERGY, 1000, "");
} else if (_faction == Structs.Faction.TechnoMad) {
_mint(msg.sender, CHIPS, 1000, "");
}
}

// TODO By Shyam: figure out verification part
function registerAndVerifyPlace(
string memory _locationName,
string memory _locationType,
string memory _uri,
int256 _lat,
int256 _long
) public payable {
require(isRegistered[msg.sender], "Only players can register places");

// Check if the player has enough resources
uint256 registrationCost = 200;
if (players[msg.sender].faction == Structs.Faction.EcoGuardian) {
// EcoGuardians use Energy
require(
balanceOf(msg.sender, ENERGY) >= registrationCost,
"Not enough Energy"
);
_burn(msg.sender, ENERGY, registrationCost);
} else if (players[msg.sender].faction == Structs.Faction.EcoGuardian) {
// TechnoMads use Chips
require(
balanceOf(msg.sender, CHIPS) >= registrationCost,
"Not enough Chips"
);
_burn(msg.sender, CHIPS, registrationCost);
}

// Proceed with place registration
locations[locationCounter] = Structs.Location({
registeredBy: msg.sender,
level: 0,
placeName: _locationName,
placeType: _locationType,
faction: players[msg.sender].faction,
lat: _lat,
long: _long,
ipfsURI: _uri
});

players[msg.sender].registeredPlaces++;
players[msg.sender].verifiedPlaces++;

_mint(msg.sender, locationCounter, 1, "");
tokenURIs[locationCounter] = _uri;
++locationCounter;
}

function getAllLocations() public view returns (Structs.Location[] memory) {
uint256 counter = locationCounter - 10;
Structs.Location[] memory allLocations = new Structs.Location[](
counter + 1
);

for (uint256 i = 0; i < locationCounter - 10; ++i) {
allLocations[i].registeredBy = locations[i + 10].registeredBy;
allLocations[i].placeName = locations[i + 10].placeName;
allLocations[i].placeType = locations[i + 10].placeType;
allLocations[i].level = locations[i + 10].level;
allLocations[i].faction = locations[i + 10].faction;
}

return allLocations;
}

// TODO: by shyam
// verifyPlace(+100);

function upgradePlace(uint256 _locationId) public returns (bool success) {
require(isRegistered[msg.sender], "Only players can register places");
require(
locations[_locationId].faction == players[msg.sender].faction,
"Faction Mismatch"
);

uint256 upgradeCost = 1000;
if (players[msg.sender].faction == Structs.Faction.EcoGuardian) {
// EcoGuardians use Energy
require(
balanceOf(msg.sender, ENERGY) >= upgradeCost,
"Not enough Energy"
);
_burn(msg.sender, ENERGY, upgradeCost);
} else if (players[msg.sender].faction == Structs.Faction.EcoGuardian) {
// TechnoMads use Chips
require(
balanceOf(msg.sender, CHIPS) >= upgradeCost,
"Not enough Chips"
);
_burn(msg.sender, CHIPS, upgradeCost);
}

++locations[_locationId].level;

return true;
}

// Function to set URI for a specific token
// function _setUri(uint256 tokenId, string memory newUri) internal {
// require(bytes(newUri).length != 0, "URI cannot be empty");
// tokenURIs[tokenId] = newUri;
// emit URI(newUri, tokenId);
// }

// Function to get a player's Energy balance
function getENERGYBalance(address _player) external view returns (uint256) {
return balanceOf(_player, ENERGY);
}

// Function to get a player's Chips balance
function getCHIPSBalance(address _player) external view returns (uint256) {
return balanceOf(_player, CHIPS);
}

function isVerified(
bytes32 _messageHash,
bytes memory _signature
) public view returns (bool) {
// The ethSignedMessageHash is the hash that the signer actually signed
bytes32 ethSignedMessageHash = getEthSignedMessageHash(_messageHash);

// Recover the signer's address from the signature
address signer = recoverSigner(ethSignedMessageHash, _signature);

require(signer == deployer, "Unauthorized Contract call");

return true;
}

function getEthSignedMessageHash(
bytes32 _messageHash
) public pure returns (bytes32) {
return
keccak256(
abi.encodePacked(
"\x19Ethereum Signed Message:\n32",
_messageHash
)
);
}

function recoverSigner(
bytes32 _ethSignedMessageHash,
bytes memory _signature
) public pure returns (address) {
(uint8 v, bytes32 r, bytes32 s) = splitSignature(_signature);
return ecrecover(_ethSignedMessageHash, v, r, s);
}

function splitSignature(
bytes memory sig
) public pure returns (uint8, bytes32, bytes32) {
require(sig.length == 65, "invalid signature length");
bytes32 r;
bytes32 s;
uint8 v;

assembly {
// first 32 bytes, after the length prefix
r := mload(add(sig, 32))
// second 32 bytes
s := mload(add(sig, 64))
// final byte (first byte of the next 32 bytes)
v := byte(0, mload(add(sig, 96)))
}
return (v, r, s);
}
}
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