1 | | - | {-# STDLIB_VERSION 5 #-} |
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2 | | - | {-# SCRIPT_TYPE ACCOUNT #-} |
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3 | | - | {-# CONTENT_TYPE DAPP #-} |
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4 | | - | let ID = base58'ET8t5TozeUrUQfMzLzVeHTVo2vmiEeu2apj3AN6zwzsG' |
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5 | | - | |
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6 | | - | let LP = base58'2nGfqMHdunJuX8jYzruMKz1e1vMNrhJtWMjHizRhB8Fk' |
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7 | | - | |
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8 | | - | let isStopped = false |
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9 | | - | |
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10 | | - | @Callable(i) |
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11 | | - | func stake () = { |
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12 | | - | let pmt = value(i.payments[0]) |
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13 | | - | let pmtAmount = pmt.amount |
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14 | | - | if ((pmt.assetId != ID)) |
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15 | | - | then throw("attach testNSBT tokens only") |
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16 | | - | else if (isStopped) |
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17 | | - | then throw("smart contract is on lock") |
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18 | | - | else { |
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19 | | - | let inTreasury = assetBalance(this, ID) |
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20 | | - | let totalIssued = match assetInfo(LP) { |
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21 | | - | case asset: Asset => |
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22 | | - | asset.quantity |
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23 | | - | case _ => |
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24 | | - | throw("Can't find asset") |
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25 | | - | } |
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26 | | - | let singleLPinValue = (((totalIssued * 100000000) / (inTreasury * 100000000)) * pmtAmount) |
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27 | | - | let amountToIssue = (singleLPinValue / 100000000) |
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28 | | - | let LPIssue = Reissue(LP, amountToIssue, true) |
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29 | | - | let transfer = ScriptTransfer(i.caller, amountToIssue, LP) |
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30 | | - | [LPIssue, transfer] |
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31 | | - | } |
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32 | | - | } |
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33 | | - | |
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34 | | - | |
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35 | | - | |
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36 | | - | @Callable(i) |
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37 | | - | func withdraw (amount) = { |
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38 | | - | let attached = i.payments[0] |
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39 | | - | let paymentID = i.payments[0].assetId |
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40 | | - | if ((paymentID != LP)) |
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41 | | - | then throw("Attach the correct LP token") |
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42 | | - | else { |
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43 | | - | let newAmount = (attached.amount - amount) |
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44 | | - | if ((0 > amount)) |
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45 | | - | then throw("Can't withdraw negative amount") |
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46 | | - | else if ((0 > newAmount)) |
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47 | | - | then throw("Not enough balance") |
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48 | | - | else { |
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49 | | - | let burning = Burn(LP, amount) |
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50 | | - | let transfer = ScriptTransfer(i.caller, newAmount, ID) |
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51 | | - | [burning, transfer] |
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52 | | - | } |
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53 | | - | } |
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54 | | - | } |
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55 | | - | |
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56 | | - | |
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57 | | - | @Verifier(tx) |
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58 | | - | func verify () = sigVerify(tx.bodyBytes, tx.proofs[0], tx.senderPublicKey) |
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59 | | - | |
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| 1 | + | # no script |
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