3 | | - | let minimumWavesBalance = 1000000000 |
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4 | | - | let moveTimeInBlocks = 5000 |
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5 | | - | let minimalFeeToMove = 10000000 |
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6 | | - | let minimalFeeToBurn = 50000000 |
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7 | | - | match tx { |
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8 | | - | case t: TransferTransaction => |
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9 | | - | let txId = t.attachment |
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10 | | - | let currentRecipientWavesBalance = wavesBalance(t.recipient) |
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11 | | - | let transaction = transactionById(extract(t.assetId)) |
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12 | | - | match transaction { |
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13 | | - | case issueTx: IssueTransaction => |
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14 | | - | let transactionByIssuer = (t.senderPublicKey == issueTx.senderPublicKey) |
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15 | | - | if (transactionByIssuer) |
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16 | | - | then if ((minimumWavesBalance > currentRecipientWavesBalance)) |
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17 | | - | then throw("Current balance is less than minimalWavesBalance") |
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18 | | - | else true |
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19 | | - | else if ((32 > size(t.attachment))) |
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20 | | - | then throw("Attachment should contain transaction id ") |
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21 | | - | else { |
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22 | | - | let receiveTx = transactionById(txId) |
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23 | | - | match receiveTx { |
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24 | | - | case recTx: MassTransferTransaction|TransferTransaction => |
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25 | | - | let receivedBlockNumber = extract(transactionHeightById(recTx.id)) |
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26 | | - | let receivedAssetInLastNBlocks = if ((moveTimeInBlocks >= (height - receivedBlockNumber))) |
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27 | | - | then (t.assetId == recTx.assetId) |
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28 | | - | else false |
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29 | | - | let feeMore1Waves = (t.fee >= minimalFeeToMove) |
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30 | | - | if (if (!(receivedAssetInLastNBlocks)) |
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31 | | - | then !(feeMore1Waves) |
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32 | | - | else false) |
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33 | | - | then throw("You got potato long time ago, now you have to pay 1 WAVES fee") |
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34 | | - | else if (receivedAssetInLastNBlocks) |
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35 | | - | then true |
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36 | | - | else feeMore1Waves |
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37 | | - | case _ => |
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38 | | - | throw("Receive tx should be a transfer") |
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39 | | - | } |
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40 | | - | } |
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41 | | - | case _ => |
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42 | | - | throw("Not issue tx") |
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43 | | - | } |
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44 | | - | case burn: BurnTransaction => |
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45 | | - | if ((minimalFeeToBurn > burn.fee)) |
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46 | | - | then throw("You have to pay 5 WAVES to burn this token") |
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47 | | - | else true |
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48 | | - | case mass: SetAssetScriptTransaction|MassTransferTransaction => |
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49 | | - | let transaction = transactionById(extract(mass.assetId)) |
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50 | | - | match transaction { |
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51 | | - | case issueTx: IssueTransaction => |
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52 | | - | (mass.senderPublicKey == issueTx.senderPublicKey) |
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53 | | - | case _ => |
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54 | | - | throw("Bad issue tx type") |
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55 | | - | } |
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56 | | - | case _ => |
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57 | | - | throw("You only can transfer this token") |
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58 | | - | } |
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| 3 | + | true |
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