4 | | - | let maxAuctionDuration = (1440 * 30) |
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| 4 | + | let separator = "_" |
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| 5 | + | |
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| 6 | + | let kCollection = "collection" |
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| 7 | + | |
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| 8 | + | let kNft = "nft" |
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| 9 | + | |
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| 10 | + | let COLLECTIONS_LIMIT = 500 |
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| 11 | + | |
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| 12 | + | let NFT_LIMIT = 500 |
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| 13 | + | |
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| 14 | + | func getCollectionKey (collectionId) = makeString([kCollection, toBase58String(collectionId)], separator) |
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| 15 | + | |
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| 16 | + | |
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| 17 | + | func getCollectionValue (collections,collectionId) = makeString([collections, toBase58String(collectionId)], separator) |
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| 18 | + | |
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| 19 | + | |
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| 20 | + | func getNftKey (nftId) = makeString([kNft, toBase58String(nftId)], separator) |
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| 21 | + | |
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| 22 | + | |
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| 23 | + | func getNftValue (nfts,nftId) = makeString([nfts, toBase58String(nftId)], separator) |
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| 24 | + | |
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| 25 | + | |
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| 26 | + | func getOwnerCollections (owner) = split(valueOrElse(getString(this, toString(owner)), ""), separator) |
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| 27 | + | |
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| 28 | + | |
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| 29 | + | func getNftsFromCollection (collectionId) = split(valueOrElse(getString(this, getCollectionKey(collectionId)), ""), separator) |
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| 30 | + | |
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| 31 | + | |
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| 32 | + | func getOwnerCollectionsForUpdate (owner) = valueOrElse(getString(this, toString(owner)), "") |
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| 33 | + | |
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| 34 | + | |
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| 35 | + | func getNftsFromCollectionForUpdate (collectionId) = valueOrElse(getString(this, getCollectionKey(collectionId)), "") |
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| 36 | + | |
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| 37 | + | |
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| 38 | + | func setOwnerCollection (owner,collections,collectionId) = if ((collections == "")) |
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| 39 | + | then StringEntry(toString(owner), toBase58String(collectionId)) |
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| 40 | + | else StringEntry(toString(owner), getCollectionValue(collections, collectionId)) |
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| 41 | + | |
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| 42 | + | |
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| 43 | + | func setNftsFromCollection (collectionId,nfts,nftId) = if ((nfts == "")) |
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| 44 | + | then StringEntry(getCollectionKey(collectionId), toBase58String(nftId)) |
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| 45 | + | else StringEntry(getCollectionKey(collectionId), getNftValue(nfts, nftId)) |
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| 46 | + | |
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| 47 | + | |
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| 48 | + | func isCollectionsLimitReached (caller) = (size(getOwnerCollections(caller)) > COLLECTIONS_LIMIT) |
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| 49 | + | |
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| 50 | + | |
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| 51 | + | func isNftsLimitReached (collectionId) = (size(getNftsFromCollection(collectionId)) > NFT_LIMIT) |
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| 52 | + | |
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| 53 | + | |
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| 54 | + | func isOwner (nftId,caller) = (assetBalance(caller, nftId) == 1) |
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| 55 | + | |
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| 56 | + | |
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| 57 | + | func isAlreadySetted (nftId) = isDefined(getString(this, getNftKey(nftId))) |
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| 58 | + | |
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| 59 | + | |
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| 60 | + | func isCollectionExist (owner,collectionId) = { |
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| 61 | + | let collectionsArray = getOwnerCollections(owner) |
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| 62 | + | containsElement(collectionsArray, toBase58String(collectionId)) |
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| 63 | + | } |
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| 64 | + | |
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| 65 | + | |
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| 66 | + | func isCorrectCaller (nftId,caller) = if (!(isOwner(nftId, caller))) |
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| 67 | + | then throw("Caller is not owner of nft") |
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| 68 | + | else if (isAlreadySetted(nftId)) |
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| 69 | + | then throw("Content already setted for this nft") |
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| 70 | + | else unit |
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| 71 | + | |
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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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| 74 | + | func addCollection () = if (isCollectionsLimitReached(i.caller)) |
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| 75 | + | then throw("You reached collections limit") |
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| 76 | + | else [setOwnerCollection(i.caller, getOwnerCollectionsForUpdate(i.caller), i.transactionId)] |
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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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| 81 | + | func mint (collectionId,name,meta) = if (!(isCollectionExist(i.caller, collectionId))) |
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| 82 | + | then throw("Wrong collection or caller ID") |
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| 83 | + | else if (isNftsLimitReached(collectionId)) |
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| 84 | + | then throw("You reached nfts limit in this collection") |
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| 85 | + | else { |
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| 86 | + | let newToken = Issue(name, meta, 1, 0, false) |
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| 87 | + | let issueId = calculateAssetId(newToken) |
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| 88 | + | [newToken, ScriptTransfer(i.caller, newToken.quantity, issueId), setNftsFromCollection(collectionId, getNftsFromCollectionForUpdate(collectionId), issueId)] |
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| 89 | + | } |
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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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103 | | - | } |
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| 94 | + | func setContent (nftId,content) = valueOrElse(isCorrectCaller(nftId, i.caller), [StringEntry(getNftKey(nftId), content)]) |
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