| 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 | | - | func getStringOrThrow (address,key) = valueOrErrorMessage(getString(address, key), ((("Can't read '" + key) + "' at address ") + toString(address))) |
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| 5 | | - | |
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| 6 | | - | |
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| 7 | | - | func getIntegerOrThrow (address,key) = valueOrErrorMessage(getInteger(address, key), ((("Can't read '" + key) + "' at address ") + toString(address))) |
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| 8 | | - | |
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| 9 | | - | |
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| 10 | | - | func parseAddressOrThrow (maybeAddress) = valueOrErrorMessage(addressFromString(maybeAddress), (("Can't parse address from '" + maybeAddress) + "'")) |
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| 11 | | - | |
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| 12 | | - | |
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| 13 | | - | func key_entity (name,pk,property) = ((((name + "_") + pk) + "_") + property) |
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| 14 | | - | |
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| 15 | | - | |
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| 16 | | - | func key_Name_token (name) = key_entity("Name", name, "token") |
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| 17 | | - | |
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| 18 | | - | |
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| 19 | | - | let key_meedusAddress = "meedusAddress" |
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| 20 | | - | |
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| 21 | | - | let key_registrarAddress = "registrarAddress" |
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| 22 | | - | |
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| 23 | | - | let key_puzzleAddress = "puzzleAddress" |
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| 24 | | - | |
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| 25 | | - | let meedusAddress = getStringOrThrow(this, key_meedusAddress) |
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| 26 | | - | |
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| 27 | | - | let meedus = parseAddressOrThrow(meedusAddress) |
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| 28 | | - | |
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| 29 | | - | let puzzleAddress = getStringOrThrow(this, key_puzzleAddress) |
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| 30 | | - | |
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| 31 | | - | let puzzle = parseAddressOrThrow(puzzleAddress) |
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| 32 | | - | |
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| 33 | | - | let registrarAddress = getStringOrThrow(this, key_registrarAddress) |
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| 34 | | - | |
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| 35 | | - | let registrar = parseAddressOrThrow(registrarAddress) |
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| 36 | | - | |
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| 37 | | - | @Callable(inv) |
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| 38 | | - | func init (meedusAddress,registrarAddress) = if ((inv.caller != this)) |
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| 39 | | - | then throw("Only self calls are allowed") |
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| 40 | | - | else [StringEntry(key_meedusAddress, meedusAddress), StringEntry(key_registrarAddress, registrarAddress)] |
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| 41 | | - | |
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| 42 | | - | |
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| 43 | | - | |
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| 44 | | - | @Callable(inv) |
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| 45 | | - | func reserve (name,initTimestamp) = { |
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| 46 | | - | let caller = inv.caller |
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| 47 | | - | let callerStr = toString(caller) |
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| 48 | | - | if ((this != caller)) |
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| 49 | | - | then throw("Only self calls are allowed") |
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| 50 | | - | else { |
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| 51 | | - | let reservation = invoke(registrar, "register", [name, callerStr, initTimestamp], nil) |
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| 52 | | - | if ((reservation == reservation)) |
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| 53 | | - | then nil |
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| 54 | | - | else throw("Strict value is not equal to itself.") |
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| 55 | | - | } |
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| 56 | | - | } |
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| 57 | | - | |
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| 58 | | - | |
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| 59 | | - | |
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| 60 | | - | @Callable(inv) |
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| 61 | | - | func transfer (addressStr,asset) = if ((inv.caller != this)) |
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| 62 | | - | then throw("Only self calls are allowed") |
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| 63 | | - | else { |
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| 64 | | - | let address = parseAddressOrThrow(addressStr) |
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| 65 | | - | [ScriptTransfer(address, 1, asset)] |
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| 66 | | - | } |
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| 67 | | - | |
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| 68 | | - | |
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| 69 | | - | |
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| 70 | | - | @Callable(inv) |
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| 71 | | - | func exchange () = { |
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| 72 | | - | let caller = inv.originCaller |
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| 73 | | - | let callerStr = toString(caller) |
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| 74 | | - | let pmt = inv.payments[0] |
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| 75 | | - | let assetId = valueOrErrorMessage(pmt.assetId, "Asset cannot be WAVES") |
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| 76 | | - | let assetIdStr = toBase58String(assetId) |
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| 77 | | - | let asset = valueOrErrorMessage(assetInfo(assetId), "Invalid asset") |
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| 78 | | - | let originIssuer = valueOrElse(getString(puzzle, (("nft_" + assetIdStr) + "_issuer")), "~") |
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| 79 | | - | let originAssetId = valueOrElse(getString(meedus, asset.name), "~") |
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| 80 | | - | let isMeedusNFT = if (if (if (if (if ((asset.issuer == puzzle)) |
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| 81 | | - | then (asset.quantity == 1) |
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| 82 | | - | else false) |
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| 83 | | - | then (asset.decimals == 0) |
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| 84 | | - | else false) |
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| 85 | | - | then (asset.reissuable == false) |
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| 86 | | - | else false) |
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| 87 | | - | then (originIssuer == meedusAddress) |
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| 88 | | - | else false) |
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| 89 | | - | then (originAssetId == assetIdStr) |
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| 90 | | - | else false |
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| 91 | | - | if (if ((pmt.amount != 1)) |
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| 92 | | - | then true |
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| 93 | | - | else !(isMeedusNFT)) |
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| 94 | | - | then throw("Payment should contain Meedus NFT") |
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| 95 | | - | else if ((5 > size(asset.name))) |
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| 96 | | - | then throw("You cannot exchange names that are less than 5 chars long") |
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| 97 | | - | else { |
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| 98 | | - | let tokenStr = getStringOrThrow(registrar, key_Name_token(asset.name)) |
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| 99 | | - | let token = fromBase58String(tokenStr) |
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| 100 | | - | let transfer = invoke(this, "transfer", [callerStr, token], nil) |
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| 101 | | - | if ((transfer == transfer)) |
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| 102 | | - | then { |
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| 103 | | - | let registration = invoke(registrar, "reclaim", [asset.name], nil) |
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| 104 | | - | if ((registration == registration)) |
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| 105 | | - | then nil |
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| 106 | | - | else throw("Strict value is not equal to itself.") |
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| 107 | | - | } |
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| 108 | | - | else throw("Strict value is not equal to itself.") |
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| 109 | | - | } |
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| 110 | | - | } |
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| 111 | | - | |
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| 112 | | - | |
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| 113 | | - | @Verifier(tx) |
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| 114 | | - | func verify () = { |
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| 115 | | - | let maybeOracle = addressFromString(valueOrElse(getString(this, "Oracle"), "")) |
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| 116 | | - | let maybeAdminKeys = if (isDefined(maybeOracle)) |
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| 117 | | - | then getString(value(maybeOracle), "AdminKeys") |
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| 118 | | - | else unit |
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| 119 | | - | match maybeAdminKeys { |
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| 120 | | - | case adminKeysStr: String => |
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| 121 | | - | let adminKeys = { |
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| 122 | | - | let stringKeys = split(adminKeysStr, ",") |
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| 123 | | - | [fromBase58String(stringKeys[0]), fromBase58String(stringKeys[1]), fromBase58String(stringKeys[2])] |
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| 124 | | - | } |
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| 125 | | - | func verifyByAllKeys (proof) = if (sigVerify(tx.bodyBytes, proof, adminKeys[0])) |
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| 126 | | - | then 1 |
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| 127 | | - | else if (sigVerify(tx.bodyBytes, proof, adminKeys[1])) |
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| 128 | | - | then 10 |
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| 129 | | - | else if (sigVerify(tx.bodyBytes, proof, adminKeys[2])) |
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| 130 | | - | then 100 |
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| 131 | | - | else 0 |
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| 132 | | - | |
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| 133 | | - | containsElement([110, 101, 11], (verifyByAllKeys(tx.proofs[0]) + verifyByAllKeys(tx.proofs[1]))) |
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| 134 | | - | case _ => |
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| 135 | | - | sigVerify(tx.bodyBytes, tx.proofs[0], tx.senderPublicKey) |
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| 136 | | - | } |
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| 137 | | - | } |
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| 138 | | - | |
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| 1 | + | # no script |
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