| 1 | [ |
| 2 | "autonomous agent", |
| 3 | { |
| 4 | "messages": { |
| 5 | "cases": [ |
| 6 | { |
| 7 | "if": "{ |
| 8 | $key = 'balance_'||trigger.address||'_'||trigger.data.asset; |
| 9 | trigger.data.withdraw AND trigger.data.asset AND trigger.data.amount OR trigger.data.amount <= var[$key] |
| 10 | }", |
| 11 | "messages": [ |
| 12 | { |
| 13 | "app": "payment", |
| 14 | "payload": { |
| 15 | "asset": "{trigger.data.asset}", |
| 16 | "outputs": [ |
| 17 | { |
| 18 | "address": "{trigger.address}", |
| 19 | "amount": "{trigger.data.amount}" |
| 20 | } |
| 21 | ] |
| 22 | } |
| 23 | }, |
| 24 | { |
| 25 | "app": "state", |
| 26 | "state": "{ |
| 27 | var[$key] = var[$key] - trigger.data.amount; |
| 28 | }" |
| 29 | } |
| 30 | ] |
| 31 | }, |
| 32 | { |
| 33 | "if": "{ |
| 34 | $order1 = trigger.data.order1.signed_message; |
| 35 | $order2 = trigger.data.order2.signed_message; |
| 36 | if (!$order1.sell_asset OR !$order2.sell_asset) |
| 37 | return false; |
| 38 | if ($order1.sell_asset != $order2.buy_asset OR $order1.buy_asset != $order2.sell_asset) |
| 39 | return false; |
| 40 | |
| 41 | |
| 42 | |
| 43 | $sell_key1 = 'balance_' || $order1.address || '_' || $order1.sell_asset; |
| 44 | $sell_key2 = 'balance_' || $order2.address || '_' || $order2.sell_asset; |
| 45 | |
| 46 | $id1 = sha256($order1.address || $order1.sell_asset || $order1.buy_asset || $order1.sell_amount || $order1.price || trigger.data.order1.last_ball_unit); |
| 47 | $id2 = sha256($order2.address || $order2.sell_asset || $order2.buy_asset || $order2.sell_amount || $order2.price || trigger.data.order2.last_ball_unit); |
| 48 | |
| 49 | if (var['executed_' || $id1] OR var['executed_' || $id2]) |
| 50 | return false; |
| 51 | |
| 52 | if (!is_valid_signed_package(trigger.data.order1, $order1.address) |
| 53 | OR !is_valid_signed_package(trigger.data.order2, $order2.address)) |
| 54 | return false; |
| 55 | |
| 56 | $amount_left1 = var['amount_left_' || $id1] otherwise $order1.sell_amount; |
| 57 | $amount_left2 = var['amount_left_' || $id2] otherwise $order2.sell_amount; |
| 58 | |
| 59 | if ($amount_left1 > var[$sell_key1] OR $amount_left2 > var[$sell_key2]) |
| 60 | return false; |
| 61 | |
| 62 | $buy_amount1 = round($amount_left1 * $order1.price); |
| 63 | if ($buy_amount1 > $amount_left2) |
| 64 | return false; |
| 65 | $expected_buy_amount2 = round($buy_amount1 * $order2.price); |
| 66 | if ($expected_buy_amount2 > $amount_left1) |
| 67 | return false; |
| 68 | |
| 69 | true |
| 70 | }", |
| 71 | "messages": [ |
| 72 | { |
| 73 | "app": "state", |
| 74 | "state": "{ |
| 75 | $buy_key1 = 'balance_' || $order1.address || '_' || $order1.buy_asset; |
| 76 | $buy_key2 = 'balance_' || $order2.address || '_' || $order2.buy_asset; |
| 77 | $base_key1 = 'balance_' || $order1.address || '_base'; |
| 78 | $base_key2 = 'balance_' || $order2.address || '_base'; |
| 79 | |
| 80 | var[$sell_key1] = var[$sell_key1] - $amount_left1; |
| 81 | var[$sell_key2] = var[$sell_key2] - $buy_amount1; |
| 82 | var[$buy_key1] = var[$buy_key1] + $buy_amount1; |
| 83 | var[$buy_key2] = var[$buy_key2] + $amount_left1; |
| 84 | |
| 85 | $fee = 1000; |
| 86 | var[$base_key1] = var[$base_key1] - $fee; |
| 87 | var[$base_key2] = var[$base_key2] - $fee; |
| 88 | if (var[$base_key1] < 0 OR var[$base_key2] < 0) |
| 89 | bounce('not enough balance for fees'); |
| 90 | |
| 91 | var['executed_' || $id1] = 1; |
| 92 | $new_amount_left2 = $amount_left2 - $buy_amount1; |
| 93 | if ($new_amount_left2) |
| 94 | var['amount_left_' || $id2] = $new_amount_left2; |
| 95 | else |
| 96 | var['executed_' || $id2] = 1; |
| 97 | |
| 98 | |
| 99 | response[$order1.address || '_' || $order1.sell_asset] = -$amount_left1; |
| 100 | response[$order2.address || '_' || $order2.buy_asset] = $amount_left1; |
| 101 | response[$order1.address || '_' || $order1.buy_asset] = $buy_amount1; |
| 102 | response[$order2.address || '_' || $order2.sell_asset] = -$buy_amount1; |
| 103 | }" |
| 104 | } |
| 105 | ] |
| 106 | }, |
| 107 | { |
| 108 | "if": "{!trigger.data}", |
| 109 | "messages": [ |
| 110 | { |
| 111 | "app": "state", |
| 112 | "state": "{ |
| 113 | $asset = trigger.output[[asset!=base]].asset; |
| 114 | if ($asset == 'ambiguous') |
| 115 | bounce('ambiguous asset'); |
| 116 | if (trigger.output[[asset=base]] > 10000){ |
| 117 | $base_key = 'balance_'||trigger.address||'_'||'base'; |
| 118 | var[$base_key] = var[$base_key] + trigger.output[[asset=base]]; |
| 119 | $response_base = trigger.output[[asset=base]] || ' bytes\ |
| 120 | '; |
| 121 | } |
| 122 | if ($asset != 'none'){ |
| 123 | $asset_key = 'balance_'||trigger.address||'_'||$asset; |
| 124 | var[$asset_key] = var[$asset_key] + trigger.output[[asset=$asset]]; |
| 125 | $response_asset = trigger.output[[asset=$asset]] || ' of ' || $asset || '\ |
| 126 | '; |
| 127 | } |
| 128 | response['message'] = 'accepted coins:\ |
| 129 | ' || ($response_base otherwise '') || ($response_asset otherwise ''); |
| 130 | }" |
| 131 | } |
| 132 | ] |
| 133 | } |
| 134 | ] |
| 135 | } |
| 136 | } |
| 137 | ] |