11 | | - | @Verifier(tx) |
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12 | | - | func verify () = { |
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13 | | - | let alice1 = sigVerify(tx.bodyBytes, tx.proofs[0], alicePublicKey) |
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14 | | - | let alice2 = sigVerify(tx.bodyBytes, tx.proofs[1], alicePublicKey) |
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15 | | - | let alice3 = sigVerify(tx.bodyBytes, tx.proofs[2], alicePublicKey) |
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16 | | - | let bob1 = sigVerify(tx.bodyBytes, tx.proofs[0], bobPublicKey) |
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17 | | - | let bob2 = sigVerify(tx.bodyBytes, tx.proofs[1], bobPublicKey) |
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18 | | - | let bob3 = sigVerify(tx.bodyBytes, tx.proofs[2], bobPublicKey) |
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19 | | - | let cooper1 = sigVerify(tx.bodyBytes, tx.proofs[0], cooperPublicKey) |
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20 | | - | let cooper2 = sigVerify(tx.bodyBytes, tx.proofs[1], cooperPublicKey) |
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21 | | - | let cooper3 = sigVerify(tx.bodyBytes, tx.proofs[2], cooperPublicKey) |
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22 | | - | let aliceAndBob = if (if (if (if (if (if (alice1) |
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23 | | - | then bob2 |
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24 | | - | else false) |
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25 | | - | then true |
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26 | | - | else if (alice1) |
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27 | | - | then bob3 |
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28 | | - | else false) |
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29 | | - | then true |
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30 | | - | else if (alice2) |
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31 | | - | then bob1 |
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32 | | - | else false) |
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33 | | - | then true |
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34 | | - | else if (alice2) |
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35 | | - | then bob3 |
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36 | | - | else false) |
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37 | | - | then true |
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38 | | - | else if (alice3) |
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39 | | - | then bob1 |
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40 | | - | else false) |
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41 | | - | then true |
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42 | | - | else if (alice3) |
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43 | | - | then bob2 |
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44 | | - | else false |
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45 | | - | let aliceAndCooper = if (if (if (if (if (if (alice1) |
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46 | | - | then cooper2 |
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47 | | - | else false) |
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48 | | - | then true |
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49 | | - | else if (alice1) |
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50 | | - | then cooper3 |
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51 | | - | else false) |
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52 | | - | then true |
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53 | | - | else if (alice2) |
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54 | | - | then cooper1 |
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55 | | - | else false) |
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56 | | - | then true |
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57 | | - | else if (alice2) |
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58 | | - | then cooper3 |
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59 | | - | else false) |
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60 | | - | then true |
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61 | | - | else if (alice3) |
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62 | | - | then cooper1 |
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63 | | - | else false) |
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64 | | - | then true |
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65 | | - | else if (alice3) |
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66 | | - | then cooper2 |
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67 | | - | else false |
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68 | | - | let bobeAndCooper = if (if (if (if (if (if (cooper1) |
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69 | | - | then bob2 |
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70 | | - | else false) |
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71 | | - | then true |
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72 | | - | else if (cooper1) |
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73 | | - | then bob3 |
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74 | | - | else false) |
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75 | | - | then true |
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76 | | - | else if (cooper2) |
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77 | | - | then bob1 |
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78 | | - | else false) |
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79 | | - | then true |
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80 | | - | else if (cooper2) |
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81 | | - | then bob3 |
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82 | | - | else false) |
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83 | | - | then true |
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84 | | - | else if (cooper3) |
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85 | | - | then bob1 |
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86 | | - | else false) |
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87 | | - | then true |
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88 | | - | else if (cooper3) |
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89 | | - | then bob2 |
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90 | | - | else false |
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91 | | - | match tx { |
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92 | | - | case _ => |
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93 | | - | if (if (aliceAndBob) |
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94 | | - | then true |
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95 | | - | else aliceAndCooper) |
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96 | | - | then true |
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97 | | - | else bobeAndCooper |
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| 6 | + | @Callable(i) |
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| 7 | + | func purchase () = { |
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| 8 | + | let pmt = extract(i.payment) |
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| 9 | + | if (isDefined(pmt.assetId)) |
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| 10 | + | then throw("can use Waves only at the moment") |
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| 11 | + | else { |
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| 12 | + | let customerAddress = toBase58String(i.caller.bytes) |
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| 13 | + | let price = match getInteger(this, "item_A_coupon_price") { |
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| 14 | + | case a: Int => |
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| 15 | + | a |
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| 16 | + | case _ => |
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| 17 | + | 0 |
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| 18 | + | } |
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| 19 | + | if ((price > pmt.amount)) |
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| 20 | + | then throw("purchase amount connot be less than item price") |
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| 21 | + | else if ((pmt.amount > price)) |
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| 22 | + | then throw("purchase amount cannot be higher than item price") |
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| 23 | + | else WriteSet([DataEntry(("status:purchase_item_A_customer_" + customerAddress), "confirmed"), DataEntry(("price:purchase_item_A_customer_" + customerAddress), price)]) |
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| 24 | + | } |
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