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2 years ago
// import "@stdlib/jetton";
import "@stdlib/ownable";
import "./messages";
import "./wallet";
import "./linker";
2 years ago
message Mint {
amount: Int;
}
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@interface("org.ton.jetton.master")
trait Jetton with Ownable {
//
// Storage
//
totalSupply: Int;
mintable: Bool;
owner: Address;
content: Cell?;
//
// Receivers
//
receive(msg: TokenUpdateContent) {
// Allow changing content only by owner
self.requireOwner();
// Update content
self.content = msg.content;
}
receive(msg: TokenBurnNotification) {
// Check wallet
self.requireWallet(msg.owner);
// Update supply
self.totalSupply = self.totalSupply - msg.amount;
// Cashback
if (msg.responseAddress != null) {
send(SendParameters{
to: msg.responseAddress!!,
value: 0,
bounce: false,
mode: SendRemainingValue + SendIgnoreErrors,
body: TokenExcesses{
queryId: msg.queryId
}.toCell()
});
}
}
//
// Get Methods
//
get fun get_wallet_address(owner: Address): Address {
let winit: StateInit = self.getJettonWalletInit(owner);
return contractAddress(winit);
}
get fun get_jetton_data(): JettonData {
let code: Cell = self.getJettonWalletInit(myAddress()).code;
return JettonData{
totalSupply: self.totalSupply,
mintable: self.mintable,
owner: self.owner,
content: self.content,
walletCode: code
};
}
//
// Private Methods
//
fun mint(to: Address, amount: Int, responseAddress: Address?) {
// Update total supply
self.totalSupply = self.totalSupply + amount;
// Create message
let winit: StateInit = self.getJettonWalletInit(to);
let walletAddress: Address = contractAddress(winit);
send(SendParameters{
to: walletAddress,
value: 0,
bounce: false,
mode: SendRemainingValue,
body: TokenTransferInternal{
amount: amount,
queryId: 0,
from: myAddress(),
responseAddress: responseAddress,
forwardTonAmount: 0,
forwardPayload: emptySlice()
}.toCell(),
code: winit.code,
data: winit.data
});
}
fun requireWallet(owner: Address) {
let ctx: Context = context();
let winit: StateInit = self.getJettonWalletInit(owner);
require(contractAddress(winit) == ctx.sender, "Invalid sender");
}
virtual fun getJettonWalletInit(address: Address): StateInit {
return initOf TONBWallet(myAddress(), address);
}
}
contract TONB with Jetton {
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totalSupply: Int as coins;
owner: Address;
content: Cell?;
mintable: Bool;
init(owner: Address, content: Cell?) {
self.totalSupply = 0;
self.owner = owner;
self.mintable = true;
self.content = content;
}
receive(msg: Mint) {
let ctx: Context = context();
self.mint(ctx.sender, msg.amount, ctx.sender);
}
receive("Mint!") {
let ctx: Context = context();
self.mint(ctx.sender, 1000000000, ctx.sender);
}
}