7 | | - | func startAuction (duration,startPrice,priceAssetId) = { |
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8 | | - | let auctionId = toBase58String(i.transactionId) |
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9 | | - | let endHeight = (lastBlock.height + duration) |
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10 | | - | let pmt = extract(i.payment) |
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11 | | - | if ((duration > maxAuctionDuration)) |
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12 | | - | then throw(("Duration is too long. Must be less than " + toString(maxAuctionDuration))) |
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13 | | - | else WriteSet([DataEntry(auctionId, endHeight), DataEntry((auctionId + "_organizer"), toBase58String(i.caller.bytes)), DataEntry((auctionId + "_lot_assetId"), if (isDefined(pmt.assetId)) |
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14 | | - | then toBase58String(value(pmt.assetId)) |
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15 | | - | else "WAVES"), DataEntry((auctionId + "_lot_amount"), pmt.amount), DataEntry((auctionId + "_startPrice"), startPrice), DataEntry((auctionId + "_priceAssetId"), priceAssetId)]) |
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16 | | - | } |
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17 | | - | |
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18 | | - | |
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19 | | - | |
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20 | | - | @Callable(i) |
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21 | | - | func bid (auctionId) = { |
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22 | | - | let pmt = extract(i.payment) |
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23 | | - | let pmtAssetIdStr = if (isDefined(pmt.assetId)) |
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24 | | - | then toBase58String(value(pmt.assetId)) |
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25 | | - | else "WAVES" |
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26 | | - | let callerAddressStr = toBase58String(i.caller.bytes) |
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27 | | - | let endHeight = getIntegerValue(this, auctionId) |
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28 | | - | let startPrice = getIntegerValue(this, (auctionId + "_startPrice")) |
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29 | | - | let priceAssetId = getStringValue(this, (auctionId + "_priceAssetId")) |
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30 | | - | let winAmount = getInteger(this, (auctionId + "_winAmount")) |
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31 | | - | let winner = getString(this, (auctionId + "_winner")) |
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32 | | - | let bidFromTheSameUser = if (isDefined(winner)) |
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33 | | - | then (value(winner) == callerAddressStr) |
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34 | | - | else false |
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35 | | - | let totalBidAmount = (pmt.amount + (if (bidFromTheSameUser) |
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36 | | - | then value(winAmount) |
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37 | | - | else 0)) |
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38 | | - | if ((lastBlock.height >= endHeight)) |
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39 | | - | then throw("Auction already finished") |
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40 | | - | else if ((priceAssetId != pmtAssetIdStr)) |
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41 | | - | then throw((("Bid must be in asset '" + priceAssetId) + "'")) |
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42 | | - | else if (if (if (isDefined(winAmount)) |
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43 | | - | then (value(winAmount) >= totalBidAmount) |
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44 | | - | else false) |
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45 | | - | then true |
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46 | | - | else if (!(isDefined(winAmount))) |
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47 | | - | then (startPrice >= totalBidAmount) |
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48 | | - | else false) |
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49 | | - | then throw(("Bid must be more then " + toString(if (isDefined(winAmount)) |
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50 | | - | then value(winAmount) |
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51 | | - | else startPrice))) |
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52 | | - | else if (if (bidFromTheSameUser) |
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53 | | - | then true |
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54 | | - | else !(isDefined(winner))) |
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55 | | - | then WriteSet([DataEntry((auctionId + "_winner"), callerAddressStr), DataEntry((auctionId + "_winAmount"), totalBidAmount)]) |
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56 | | - | else { |
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57 | | - | let previousBidderAddr = addressFromStringValue(value(winner)) |
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58 | | - | let priceAsset = if (if ((priceAssetId == "WAVES")) |
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59 | | - | then true |
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60 | | - | else (priceAssetId == "")) |
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61 | | - | then unit |
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62 | | - | else fromBase58String(priceAssetId) |
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63 | | - | ScriptResult(WriteSet([DataEntry((auctionId + "_winner"), callerAddressStr), DataEntry((auctionId + "_winAmount"), totalBidAmount)]), TransferSet([ScriptTransfer(previousBidderAddr, value(winAmount), priceAsset)])) |
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64 | | - | } |
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65 | | - | } |
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66 | | - | |
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67 | | - | |
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68 | | - | |
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69 | | - | @Callable(i) |
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70 | | - | func withdraw (auctionId) = { |
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71 | | - | let pmt = extract(i.payment) |
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72 | | - | let pmtAssetIdStr = if (isDefined(pmt.assetId)) |
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73 | | - | then toBase58String(value(pmt.assetId)) |
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74 | | - | else "WAVES" |
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75 | | - | let callerAddressStr = toBase58String(i.caller.bytes) |
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76 | | - | let endHeight = getIntegerValue(this, auctionId) |
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77 | | - | let organizer = getStringValue(this, (auctionId + "_organizer")) |
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78 | | - | let winner = getString(this, (auctionId + "_winner")) |
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79 | | - | let lotAssetId = getStringValue(this, (auctionId + "_lot_assetId")) |
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80 | | - | let lotAmount = getIntegerValue(this, (auctionId + "_lot_amount")) |
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81 | | - | let priceAssetId = getStringValue(this, (auctionId + "_priceAssetId")) |
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82 | | - | let winAmount = getIntegerValue(this, (auctionId + "_winAmount")) |
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83 | | - | let lotAsset = if ((lotAssetId == "WAVES")) |
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84 | | - | then unit |
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85 | | - | else fromBase58String(lotAssetId) |
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86 | | - | let priceAsset = if (if ((priceAssetId == "WAVES")) |
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87 | | - | then true |
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88 | | - | else (priceAssetId == "")) |
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89 | | - | then unit |
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90 | | - | else fromBase58String(priceAssetId) |
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91 | | - | let winnerAddr = addressFromStringValue(value(winner)) |
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92 | | - | let organizerAddr = addressFromStringValue(value(organizer)) |
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93 | | - | let betAmount = getInteger(this, ((auctionId + "_bidder_") + callerAddressStr)) |
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94 | | - | if ((endHeight > lastBlock.height)) |
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95 | | - | then throw("Auction is not finished yet") |
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96 | | - | else if (!(isDefined(winner))) |
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97 | | - | then if (isDefined(getString(this, (auctionId + "_lot_passed")))) |
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98 | | - | then throw("Organizer has already got his lot back") |
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99 | | - | else ScriptResult(WriteSet([DataEntry((auctionId + "_lot_passed"), organizer)]), TransferSet([ScriptTransfer(organizerAddr, lotAmount, lotAsset)])) |
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100 | | - | else if (isDefined(getString(this, (auctionId + "_lot_passed")))) |
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101 | | - | then throw("Lot is already passed to the winner, and organizer got his reward") |
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102 | | - | else ScriptResult(WriteSet([DataEntry((auctionId + "_lot_passed"), toBase58String(winnerAddr.bytes))]), TransferSet([ScriptTransfer(winnerAddr, lotAmount, lotAsset), ScriptTransfer(organizerAddr, winAmount, priceAsset)])) |
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| 9 | + | func placeBid (nftId,nft_owner,min_price,bid_price) = { |
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| 10 | + | let assetId = fromBase58String(nftId) |
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| 11 | + | let amount = value(i.payments[0].amount) |
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| 12 | + | if ((i.payments[0].assetId != unit)) |
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| 13 | + | then throw("Pay in waves") |
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| 14 | + | else [StringEntry(((toString(i.caller) + separator) + kBid), ((nftId + separator) + toString(amount))), StringEntry(((toString(i.caller) + separator) + "nft_owner"), nft_owner), IntegerEntry(((toString(i.caller) + separator) + "min_price"), min_price), IntegerEntry(((toString(i.caller) + separator) + "bid_price"), bid_price), StringEntry(((toString(i.caller) + separator) + "nftId"), nftId)] |
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