| 1 | [ |
| 2 | "autonomous agent", |
| 3 | { |
| 4 | "doc_url": "https://oswap-frontend.herokuapp.com/oscript/exchange.json", |
| 5 | "init": "{ |
| 6 | $asset = params.asset; |
| 7 | $mm_asset = var['mm_asset']; |
| 8 | $asset_reserve = balance[$asset] - trigger.output[[asset=$asset]]; |
| 9 | $bytes_reserve = balance[base] - trigger.output[[asset=base]]; |
| 10 | if (trigger.data.recipient AND !is_valid_address(trigger.data.recipient)) |
| 11 | bounce('wrong recipient address'); |
| 12 | $recipient = trigger.data.recipient OTHERWISE trigger.address; |
| 13 | }", |
| 14 | "messages": { |
| 15 | "cases": [ |
| 16 | { |
| 17 | "if": "{trigger.data.define AND !$mm_asset AND $asset}", |
| 18 | "messages": [ |
| 19 | { |
| 20 | "app": "asset", |
| 21 | "payload": { |
| 22 | "is_private": false, |
| 23 | "is_transferrable": true, |
| 24 | "auto_destroy": false, |
| 25 | "fixed_denominations": false, |
| 26 | "issued_by_definer_only": true, |
| 27 | "cosigned_by_definer": false, |
| 28 | "spender_attested": false |
| 29 | } |
| 30 | }, |
| 31 | { |
| 32 | "app": "state", |
| 33 | "state": "{ |
| 34 | var['mm_asset'] = response_unit; |
| 35 | response['mm_asset'] = response_unit; |
| 36 | }" |
| 37 | } |
| 38 | ] |
| 39 | }, |
| 40 | { |
| 41 | "if": "{$mm_asset AND trigger.output[[asset=base]] > 2e4 AND trigger.output[[asset=$asset]] > 0}", |
| 42 | "init": "{ |
| 43 | if ($asset_reserve == 0 OR $bytes_reserve == 0){ |
| 44 | $issue_amount = balance[base]; |
| 45 | return; |
| 46 | } |
| 47 | $current_ratio = $asset_reserve / $bytes_reserve; |
| 48 | $expected_asset_amount = round($current_ratio * trigger.output[[asset=base]]); |
| 49 | if ($expected_asset_amount != trigger.output[[asset=$asset]]) |
| 50 | bounce('wrong ratio of amounts, expected ' || $expected_asset_amount || ' of asset'); |
| 51 | $investor_share = trigger.output[[asset=base]] / $bytes_reserve; |
| 52 | $issue_amount = round($investor_share * var['mm_asset_outstanding']); |
| 53 | }", |
| 54 | "messages": [ |
| 55 | { |
| 56 | "app": "payment", |
| 57 | "payload": { |
| 58 | "asset": "{$mm_asset}", |
| 59 | "outputs": [ |
| 60 | { |
| 61 | "address": "{$recipient}", |
| 62 | "amount": "{$issue_amount}" |
| 63 | } |
| 64 | ] |
| 65 | } |
| 66 | }, |
| 67 | { |
| 68 | "app": "state", |
| 69 | "state": "{ |
| 70 | var['mm_asset_outstanding'] += $issue_amount; |
| 71 | response['provider'] = trigger.address; |
| 72 | response['byte_amount'] = trigger.output[[asset=base]]; |
| 73 | response['asset_amount'] = trigger.output[[asset=$asset]]; |
| 74 | response['liquidity_minted'] = $issue_amount; |
| 75 | }" |
| 76 | } |
| 77 | ] |
| 78 | }, |
| 79 | { |
| 80 | "if": "{$mm_asset AND trigger.output[[asset=$mm_asset]]}", |
| 81 | "init": "{ |
| 82 | $mm_asset_amount = trigger.output[[asset=$mm_asset]]; |
| 83 | $investor_share = $mm_asset_amount / var['mm_asset_outstanding']; |
| 84 | $byte_amount = round($investor_share * balance[base]); |
| 85 | $asset_amount = round($investor_share * balance[$asset]); |
| 86 | }", |
| 87 | "messages": [ |
| 88 | { |
| 89 | "app": "payment", |
| 90 | "payload": { |
| 91 | "asset": "base", |
| 92 | "outputs": [ |
| 93 | { |
| 94 | "address": "{$recipient}", |
| 95 | "amount": "{$byte_amount}" |
| 96 | } |
| 97 | ] |
| 98 | } |
| 99 | }, |
| 100 | { |
| 101 | "app": "payment", |
| 102 | "payload": { |
| 103 | "asset": "{$asset}", |
| 104 | "outputs": [ |
| 105 | { |
| 106 | "address": "{$recipient}", |
| 107 | "amount": "{$asset_amount}" |
| 108 | } |
| 109 | ] |
| 110 | } |
| 111 | }, |
| 112 | { |
| 113 | "app": "state", |
| 114 | "state": "{ |
| 115 | var['mm_asset_outstanding'] -= trigger.output[[asset=$mm_asset]]; |
| 116 | response['provider'] = trigger.address; |
| 117 | response['byte_amount'] = trigger.output[[asset=base]]; |
| 118 | response['asset_amount'] = trigger.output[[asset=$asset]]; |
| 119 | }" |
| 120 | } |
| 121 | ] |
| 122 | }, |
| 123 | { |
| 124 | "if": "{trigger.output[[asset=base]] > 2e4 AND trigger.output[[asset=$asset]] == 0 AND var['mm_asset_outstanding']}", |
| 125 | "init": "{ |
| 126 | $numerator = trigger.output[[asset=base]] * $asset_reserve * 997; |
| 127 | $denominator = $bytes_reserve * 1000 + trigger.output[[asset=base]] * 997; |
| 128 | $amount = round($numerator / $denominator); |
| 129 | response['buyer'] = trigger.address; |
| 130 | response['bytes_sold'] = trigger.output[[asset=base]]; |
| 131 | response['assets_bought'] = $amount; |
| 132 | }", |
| 133 | "messages": [ |
| 134 | { |
| 135 | "app": "payment", |
| 136 | "payload": { |
| 137 | "asset": "{$asset}", |
| 138 | "outputs": [ |
| 139 | { |
| 140 | "address": "{$recipient}", |
| 141 | "amount": "{$amount}" |
| 142 | } |
| 143 | ] |
| 144 | } |
| 145 | } |
| 146 | ] |
| 147 | }, |
| 148 | { |
| 149 | "if": "{trigger.output[[asset=$asset]] > 0 AND var['mm_asset_outstanding']}", |
| 150 | "init": "{ |
| 151 | $numerator = trigger.output[[asset=$asset]] * $bytes_reserve * 997; |
| 152 | $denominator = $asset_reserve * 1000 + trigger.output[[asset=$asset]] * 997; |
| 153 | $amount = round($numerator / $denominator); |
| 154 | response['buyer'] = trigger.address; |
| 155 | response['assets_sold'] = trigger.output[[asset=$asset]]; |
| 156 | response['bytes_bought'] = $amount; |
| 157 | }", |
| 158 | "messages": [ |
| 159 | { |
| 160 | "app": "payment", |
| 161 | "payload": { |
| 162 | "asset": "base", |
| 163 | "outputs": [ |
| 164 | { |
| 165 | "address": "{$recipient}", |
| 166 | "amount": "{$amount}" |
| 167 | } |
| 168 | ] |
| 169 | } |
| 170 | } |
| 171 | ] |
| 172 | } |
| 173 | ] |
| 174 | } |
| 175 | } |
| 176 | ] |