> For the complete documentation index, see [llms.txt](https://docs.xft.finance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.xft.finance/idn/technical/address-facilities/xftroutingfactoryv2.md).
# XFTRoutingFactoryV2
XFT routing factory smart contracts are used for XFT Token Service TAN generation.
COUNTERPARTIES
XFTRoutingFactory [0x60AA889392144cE43AAEAb0e7215fcA034B2b354](https://sepolia.arbiscan.io/address/0x60aa889392144ce43aaeab0e7215fca034b2b354)\
XFTRoutingFactoryV2 \
VISA [0xDB9f69C2CCe2806107Fe8Df78f201664a8c16d62](https://sepolia.arbiscan.io/address/0xdb9f69c2cce2806107fe8df78f201664a8c16d62)
### Contract
FUNCTIONS
* Send debit card # + token amount to smart contract: from, to, amt
* Smart contract checks to see if debit card number exists. If no, reverts/doesnt go through
* If yes, smart contract finds the wallet address mapped to debit card number.
* Smart contract transfers token amount from debit card wallet address 1 to debit card wallet address 2.
***
RESOURCES
Create Visa Direct business wallet given debit card number\
Prefund Visa Direct business wallet with Visa’s custom stablecoin\
XFT TOKEN SERVICE ABI \[contracts/XFTRoutingFactory.sol]
```json
[{"inputs":[{"internalType":"address","name":"_token","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"NotOperator","type":"error"},{"inputs":[],"name":"WalletExists","type":"error"},{"inputs":[],"name":"WalletNotFound","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"idType","type":"string"},{"indexed":false,"internalType":"string","name":"idValue","type":"string"},{"indexed":false,"internalType":"address","name":"wallet","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"idType","type":"string"},{"indexed":false,"internalType":"string","name":"idValue","type":"string"},{"indexed":false,"internalType":"address","name":"wallet","type":"address"}],"name":"DeployWallet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"idType","type":"string"},{"indexed":false,"internalType":"string","name":"idValue","type":"string"},{"indexed":false,"internalType":"address","name":"wallet","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Mint","type":"event"},{"inputs":[{"internalType":"string","name":"chips","type":"string"},{"internalType":"uint256","name":"amt","type":"uint256"}],"name":"burnFromCHIPS","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"cik","type":"string"},{"internalType":"uint256","name":"amt","type":"uint256"}],"name":"burnFromCIK","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"fednow","type":"string"},{"internalType":"uint256","name":"amt","type":"uint256"}],"name":"burnFromFEDNOW","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"fedwire","type":"string"},{"internalType":"uint256","name":"amt","type":"uint256"}],"name":"burnFromFEDWIRE","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"iban","type":"string"},{"internalType":"uint256","name":"amt","type":"uint256"}],"name":"burnFromIBAN","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"lei","type":"string"},{"internalType":"uint256","name":"amt","type":"uint256"}],"name":"burnFromLEI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"routing","type":"string"},{"internalType":"uint256","name":"amt","type":"uint256"}],"name":"burnFromRouting","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"swift","type":"string"},{"internalType":"uint256","name":"amt","type":"uint256"}],"name":"burnFromSWIFT","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"visa","type":"string"},{"internalType":"uint256","name":"amt","type":"uint256"}],"name":"burnFromVISA","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"cikToWallet","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"chips","type":"string"}],"name":"deployCHIPSWallet","outputs":[{"internalType":"address","name":"wallet","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"cik","type":"string"}],"name":"deployCIKWallet","outputs":[{"internalType":"address","name":"wallet","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"fednow","type":"string"}],"name":"deployFEDNOWWallet","outputs":[{"internalType":"address","name":"wallet","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"fedwire","type":"string"}],"name":"deployFEDWIREWallet","outputs":[{"internalType":"address","name":"wallet","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"iban","type":"string"}],"name":"deployIBANWallet","outputs":[{"internalType":"address","name":"wallet","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"lei","type":"string"}],"name":"deployLEIWallet","outputs":[{"internalType":"address","name":"wallet","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"routing","type":"string"}],"name":"deployRoutingWallet","outputs":[{"internalType":"address","name":"wallet","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"swift","type":"string"}],"name":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unction"},{"inputs":[{"internalType":"string","name":"fedwire","type":"string"}],"name":"predictFEDWIRE","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"iban","type":"string"}],"name":"predictIBAN","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"lei","type":"string"}],"name":"predictLEI","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"routing","type":"string"}],"name":"predictRouting","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"swift","type":"string"}],"name":"predictSWIFT","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"visa","type":"string"}],"name":"predictVISA","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"}]
```
VISA DIGITAL DOLLAR ABI \[contracts/Dollar.sol]
```json
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```
XFT TOKEN SERVICE V2 CONTRACT \[contracts/XFTRoutingFactoryV2.sol]
```solidity
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.18;
interface IERC20 {
function mint(address to, uint256 amount) external;
function burn(address from, uint256 amount) external;
function transfer(address to, uint256 amount) external returns (bool);
function balanceOf(address account) external view returns (uint256);
}
contract RoutingWallet {
address public factory;
address public owner;
event WalletTransfer(address indexed token, address indexed to, uint256 amount);
modifier onlyOwner() {
require(msg.sender == owner, "not owner");
_;
}
constructor(address _owner) {
factory = msg.sender;
owner = _owner;
}
function transfer(address token, address to, uint256 amount) external onlyOwner {
require(IERC20(token).transfer(to, amount), "transfer failed");
emit WalletTransfer(token, to, amount);
}
function balance(address token) external view returns (uint256) {
return IERC20(token).balanceOf(address(this));
}
}
contract XFTRoutingFactoryV2 {
IERC20 public immutable token;
address public operator;
mapping(bytes32 => address) private routingToWallet;
mapping(bytes32 => address) private ibanToWallet;
mapping(bytes32 => address) private swiftToWallet;
mapping(bytes32 => address) public cikToWallet;
mapping(bytes32 => address) public leiToWallet;
mapping(bytes32 => address) private fedNowToWallet;
mapping(bytes32 => address) private fedwireToWallet;
mapping(bytes32 => address) private chipsToWallet;
mapping(bytes32 => address) private visaToWallet;
event DeployWallet(string idType, string idValue, address wallet);
event Mint(string idType, string idValue, address wallet, uint256 amount);
event Burn(string idType, string idValue, address wallet, uint256 amount);
error NotOperator();
error WalletExists();
error WalletNotFound();
modifier onlyOp() {
if (msg.sender != operator) revert NotOperator();
_;
}
constructor(address _token) {
token = IERC20(_token);
operator = msg.sender;
}
function _salt(string memory id) internal pure returns (bytes32) {
return keccak256(abi.encodePacked(id));
}
function _predict(bytes32 salt) internal view returns (address) {
return address(uint160(uint256(keccak256(
abi.encodePacked(
bytes1(0xff),
address(this),
salt,
keccak256(abi.encodePacked(type(RoutingWallet).creationCode, abi.encode(operator)))
)
))));
}
// ---------------- ROUTING ----------------
function predictRouting(string memory routing) public view returns (address) {
return _predict(_salt(routing));
}
function deployRoutingWallet(string memory routing) public onlyOp returns (address wallet) {
bytes32 salt = _salt(routing);
if (routingToWallet[salt] != address(0)) revert WalletExists();
wallet = address(new RoutingWallet{salt: salt}(operator));
routingToWallet[salt] = wallet;
emit DeployWallet("ROUTING", routing, wallet);
}
function mintToRouting(string memory routing, uint256 amt) external onlyOp {
bytes32 salt = _salt(routing);
address wallet = routingToWallet[salt];
if (wallet == address(0)) wallet = deployRoutingWallet(routing);
token.mint(wallet, amt);
emit Mint("ROUTING", routing, wallet, amt);
}
function burnFromRouting(string memory routing, uint256 amt) external onlyOp {
address wallet = routingToWallet[_salt(routing)];
if (wallet == address(0)) revert WalletNotFound();
token.burn(wallet, amt);
emit Burn("ROUTING", routing, wallet, amt);
}
function getRoutingWallet(string memory routing) external view returns (address) {
return routingToWallet[_salt(routing)];
}
// ---------------- IBAN ----------------
function predictIBAN(string memory iban) public view returns (address) {
return _predict(_salt(iban));
}
function deployIBANWallet(string memory iban) public onlyOp returns (address wallet) {
bytes32 salt = _salt(iban);
if (ibanToWallet[salt] != address(0)) revert WalletExists();
wallet = address(new RoutingWallet{salt: salt}(operator));
ibanToWallet[salt] = wallet;
emit DeployWallet("IBAN", iban, wallet);
}
function mintToIBAN(string memory iban, uint256 amt) external onlyOp {
bytes32 salt = _salt(iban);
address wallet = ibanToWallet[salt];
if (wallet == address(0)) wallet = deployIBANWallet(iban);
token.mint(wallet, amt);
emit Mint("IBAN", iban, wallet, amt);
}
function burnFromIBAN(string memory iban, uint256 amt) external onlyOp {
address wallet = ibanToWallet[_salt(iban)];
if (wallet == address(0)) revert WalletNotFound();
token.burn(wallet, amt);
emit Burn("IBAN", iban, wallet, amt);
}
function getIBANWallet(string memory iban) external view returns (address) {
return ibanToWallet[_salt(iban)];
}
// ---------------- SWIFT/BIC ----------------
function predictSWIFT(string memory swift) public view returns (address) {
return _predict(_salt(swift));
}
function deploySWIFTWallet(string memory swift) public onlyOp returns (address wallet) {
bytes32 salt = _salt(swift);
if (swiftToWallet[salt] != address(0)) revert WalletExists();
wallet = address(new RoutingWallet{salt: salt}(operator));
swiftToWallet[salt] = wallet;
emit DeployWallet("SWIFT", swift, wallet);
}
function mintToSWIFT(string memory swift, uint256 amt) external onlyOp {
bytes32 salt = _salt(swift);
address wallet = swiftToWallet[salt];
if (wallet == address(0)) wallet = deploySWIFTWallet(swift);
token.mint(wallet, amt);
emit Mint("SWIFT", swift, wallet, amt);
}
function burnFromSWIFT(string memory swift, uint256 amt) external onlyOp {
address wallet = swiftToWallet[_salt(swift)];
if (wallet == address(0)) revert WalletNotFound();
token.burn(wallet, amt);
emit Burn("SWIFT", swift, wallet, amt);
}
function getSWIFTWallet(string memory swift) external view returns (address) {
return swiftToWallet[_salt(swift)];
}
// ---------------- CIK ----------------
function predictCIK(string memory cik) public view returns (address) {
return _predict(_salt(cik));
}
function deployCIKWallet(string memory cik) public onlyOp returns (address wallet) {
bytes32 salt = _salt(cik);
if (cikToWallet[salt] != address(0)) revert WalletExists();
wallet = address(new RoutingWallet{salt: salt}(operator));
cikToWallet[salt] = wallet;
emit DeployWallet("CIK", cik, wallet);
}
function mintToCIK(string memory cik, uint256 amt) external onlyOp {
bytes32 salt = _salt(cik);
address wallet = cikToWallet[salt];
if (wallet == address(0)) wallet = deployCIKWallet(cik);
token.mint(wallet, amt);
emit Mint("CIK", cik, wallet, amt);
}
function burnFromCIK(string memory cik, uint256 amt) external onlyOp {
address wallet = cikToWallet[_salt(cik)];
if (wallet == address(0)) revert WalletNotFound();
token.burn(wallet, amt);
emit Burn("CIK", cik, wallet, amt);
}
function getCIKWallet(string memory cik) external view returns (address) {
return cikToWallet[_salt(cik)];
}
// ---------------- LEI ----------------
function predictLEI(string memory lei) public view returns (address) {
return _predict(_salt(lei));
}
function deployLEIWallet(string memory lei) public onlyOp returns (address wallet) {
bytes32 salt = _salt(lei);
if (leiToWallet[salt] != address(0)) revert WalletExists();
wallet = address(new RoutingWallet{salt: salt}(operator));
leiToWallet[salt] = wallet;
emit DeployWallet("LEI", lei, wallet);
}
function mintToLEI(string memory lei, uint256 amt) external onlyOp {
bytes32 salt = _salt(lei);
address wallet = leiToWallet[salt];
if (wallet == address(0)) wallet = deployLEIWallet(lei);
token.mint(wallet, amt);
emit Mint("LEI", lei, wallet, amt);
}
function burnFromLEI(string memory lei, uint256 amt) external onlyOp {
address wallet = leiToWallet[_salt(lei)];
if (wallet == address(0)) revert WalletNotFound();
token.burn(wallet, amt);
emit Burn("LEI", lei, wallet, amt);
}
function getLEIWallet(string memory lei) external view returns (address) {
return leiToWallet[_salt(lei)];
}
// ---------------- FEDNOW ----------------
function predictFEDNOW(string memory fednow) public view returns (address) {
return _predict(_salt(fednow));
}
function deployFEDNOWWallet(string memory fednow) public onlyOp returns (address wallet) {
bytes32 salt = _salt(fednow);
if (fedNowToWallet[salt] != address(0)) revert WalletExists();
wallet = address(new RoutingWallet{salt: salt}(operator));
fedNowToWallet[salt] = wallet;
emit DeployWallet("FEDNOW", fednow, wallet);
}
function mintToFEDNOW(string memory fednow, uint256 amt) external onlyOp {
bytes32 salt = _salt(fednow);
address wallet = fedNowToWallet[salt];
if (wallet == address(0)) wallet = deployFEDNOWWallet(fednow);
token.mint(wallet, amt);
emit Mint("FEDNOW", fednow, wallet, amt);
}
function burnFromFEDNOW(string memory fednow, uint256 amt) external onlyOp {
address wallet = fedNowToWallet[_salt(fednow)];
if (wallet == address(0)) revert WalletNotFound();
token.burn(wallet, amt);
emit Burn("FEDNOW", fednow, wallet, amt);
}
function getFEDNOWWallet(string memory fednow) external view returns (address) {
return fedNowToWallet[_salt(fednow)];
}
// ---------------- FEDWIRE ----------------
function predictFEDWIRE(string memory fedwire) public view returns (address) {
return _predict(_salt(fedwire));
}
function deployFEDWIREWallet(string memory fedwire) public onlyOp returns (address wallet) {
bytes32 salt = _salt(fedwire);
if (fedwireToWallet[salt] != address(0)) revert WalletExists();
wallet = address(new RoutingWallet{salt: salt}(operator));
fedwireToWallet[salt] = wallet;
emit DeployWallet("FEDWIRE", fedwire, wallet);
}
function mintToFEDWIRE(string memory fedwire, uint256 amt) external onlyOp {
bytes32 salt = _salt(fedwire);
address wallet = fedwireToWallet[salt];
if (wallet == address(0)) wallet = deployFEDWIREWallet(fedwire);
token.mint(wallet, amt);
emit Mint("FEDWIRE", fedwire, wallet, amt);
}
function burnFromFEDWIRE(string memory fedwire, uint256 amt) external onlyOp {
address wallet = fedwireToWallet[_salt(fedwire)];
if (wallet == address(0)) revert WalletNotFound();
token.burn(wallet, amt);
emit Burn("FEDWIRE", fedwire, wallet, amt);
}
function getFEDWIREWallet(string memory fedwire) external view returns (address) {
return fedwireToWallet[_salt(fedwire)];
}
// ---------------- CHIPS ----------------
function predictCHIPS(string memory chips) public view returns (address) {
return _predict(_salt(chips));
}
function deployCHIPSWallet(string memory chips) public onlyOp returns (address wallet) {
bytes32 salt = _salt(chips);
if (chipsToWallet[salt] != address(0)) revert WalletExists();
wallet = address(new RoutingWallet{salt: salt}(operator));
chipsToWallet[salt] = wallet;
emit DeployWallet("CHIPS", chips, wallet);
}
function mintToCHIPS(string memory chips, uint256 amt) external onlyOp {
bytes32 salt = _salt(chips);
address wallet = chipsToWallet[salt];
if (wallet == address(0)) wallet = deployCHIPSWallet(chips);
token.mint(wallet, amt);
emit Mint("CHIPS", chips, wallet, amt);
}
function burnFromCHIPS(string memory chips, uint256 amt) external onlyOp {
address wallet = chipsToWallet[_salt(chips)];
if (wallet == address(0)) revert WalletNotFound();
token.burn(wallet, amt);
emit Burn("CHIPS", chips, wallet, amt);
}
function getCHIPSWallet(string memory chips) external view returns (address) {
return chipsToWallet[_salt(chips)];
}
// ---------------- VISA ----------------
function predictVISA(string memory visa) public view returns (address) {
return _predict(_salt(visa));
}
function deployVISAWallet(string memory visa) public onlyOp returns (address wallet) {
bytes32 salt = _salt(visa);
if (visaToWallet[salt] != address(0)) revert WalletExists();
wallet = address(new RoutingWallet{salt: salt}(operator));
visaToWallet[salt] = wallet;
emit DeployWallet("VISA", visa, wallet);
}
function mintToVISA(string memory visa, uint256 amt) external onlyOp {
bytes32 salt = _salt(visa);
address wallet = visaToWallet[salt];
if (wallet == address(0)) wallet = deployVISAWallet(visa);
token.mint(wallet, amt);
emit Mint("VISA", visa, wallet, amt);
}
function burnFromVISA(string memory visa, uint256 amt) external onlyOp {
address wallet = visaToWallet[_salt(visa)];
if (wallet == address(0)) revert WalletNotFound();
token.burn(wallet, amt);
emit Burn("VISA", visa, wallet, amt);
}
function getVISAWallet(string memory visa) external view returns (address) {
return visaToWallet[_salt(visa)];
}
}
```