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| forall X -> tuple change_tuple(tuple t, int pos, X value) asm(t value pos) "SETINDEXVAR"; | |
| tuple get_c7() asm "c7 PUSHCTR"; | |
| slice vm::invoke_get_addr(slice owner_address, tuple c7, cell master_data, cell master_code) asm | |
| "CTOS // owner_addr c7 md mc" | |
| "2 PUSHINT // owner_addr c7 md mc args" | |
| "103289 PUSHINT // owner_addr c7 md mc args get_jwa_method_id" | |
| "5 0 REVERSE DUMPSTK // owner_addr get_jwa_method_id args mc md c7" | |
| "53 RUNVM DUMPSTK // address exit_code c4' c5'" | |
| "3 BLKDROP // address"; | |
| slice get_addr(slice owner_address, cell code, cell data, slice master_addr) inline_ref { | |
| tuple c7 = get_c7(); | |
| c7 = c7.change_tuple(0, | |
| c7.at(0).change_tuple(8, master_addr) | |
| .change_tuple(10, code) | |
| ); | |
| return vm::invoke_get_addr(owner_address, c7, data, code); | |
| } | |
| slice calc_my_jetton_wallet(slice master_addr, cell code, cell data) inline { | |
| return get_addr(my_address(), code, data, master_addr); | |
| } |
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| import "./helper.fc"; | |
| @name(calc_my_jetton_wallet) | |
| native calcMyJettonWallet(master_address: Address, master_code: Cell, master_data: Cell): Address; | |
| message(0x0f8a7ea5) JettonTransfer { | |
| query_id: Int as uint64; | |
| amount: Int as coins; | |
| destination: Address; | |
| response_destination: Address; | |
| custom_payload: Cell?; | |
| forward_ton_amount: Int as coins; | |
| forward_payload: Slice as remaining; | |
| } | |
| @interface("ton.experimental.pcrafter.jettonseller") | |
| contract JettonSeller { | |
| const forward_ton_amount: Int = ton("0.000001"); | |
| jetton_master: Address; | |
| jetton_wallet: Address; // what we are selling | |
| nanoton_per_jetton: Int as coins; | |
| init(jetton_master: Address, master_code: Cell, master_data: Cell, nanoton_per_jetton: Int) { | |
| self.jetton_wallet = calcMyJettonWallet(jetton_master, master_code, master_data); | |
| self.nanoton_per_jetton = nanoton_per_jetton; | |
| } | |
| fun transferJettonTo(jetton_wallet: Address, destination: Address, amount: Int, query_id: Int, message: String) { | |
| if (amount > 0) { | |
| send(SendParameters{ | |
| to: jetton_wallet, | |
| value: ton("0.1"), | |
| mode: 0, | |
| body: JettonTransfer{query_id: query_id, amount: amount, destination: destination, response_destination: destination, custom_payload: null, forward_ton_amount: self.forward_ton_amount, forward_payload: message.asComment()}.toCell() | |
| }); | |
| } | |
| } | |
| receive() { | |
| let nanoton = context().value - ton("0.1"); | |
| transferJettonTo(self.jetton_wallet, sender(), nanoton / self.nanoton_per_jetton, 0, "swap completed"); | |
| } | |
| get fun getJetton(): Address { | |
| return self.jetton_master; | |
| } | |
| get fun getJettonPrice(): Int { | |
| return self.nanoton_per_jetton; | |
| } | |
| } |
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