| 1 | [ |
| 2 | "autonomous agent", |
| 3 | { |
| 4 | "doc_url": "https://oswap-frontend.herokuapp.com/pair.json", |
| 5 | "init": "{ |
| 6 | $asset0 = params.asset0; |
| 7 | $asset1 = params.asset1; |
| 8 | $liquidity = var['liquidity']; |
| 9 | $supply = var['supply']; |
| 10 | $amount0 = trigger.output[[asset=$asset0]]; |
| 11 | $amount1 = trigger.output[[asset=$asset1]]; |
| 12 | $liquidity_amount = trigger.output[[asset=$liquidity]]; |
| 13 | $reserve0 = balance[$asset0] - $amount0; |
| 14 | $reserve1 = balance[$asset1] - $amount1; |
| 15 | if (trigger.data.to AND !is_valid_address(trigger.data.to)) |
| 16 | bounce('invalid recipient address'); |
| 17 | $to = trigger.data.to OTHERWISE trigger.address; |
| 18 | $deadline = trigger.data.deadline; |
| 19 | $amount_out_min = trigger.data.amount_out_min; |
| 20 | $min0 = $asset0 == 'base' ? 1e5 : 0; |
| 21 | $min1 = $asset1 == 'base' ? 1e5 : 0; |
| 22 | }", |
| 23 | "messages": { |
| 24 | "cases": [ |
| 25 | { |
| 26 | "if": "{trigger.data.initialize AND !$liquidity AND $asset0 AND $asset1}", |
| 27 | "messages": [ |
| 28 | { |
| 29 | "app": "asset", |
| 30 | "payload": { |
| 31 | "is_private": false, |
| 32 | "is_transferrable": true, |
| 33 | "auto_destroy": false, |
| 34 | "fixed_denominations": false, |
| 35 | "issued_by_definer_only": true, |
| 36 | "cosigned_by_definer": false, |
| 37 | "spender_attested": false |
| 38 | } |
| 39 | }, |
| 40 | { |
| 41 | "app": "state", |
| 42 | "state": "{ |
| 43 | var['liquidity'] = response_unit; |
| 44 | response['liquidity'] = response_unit; |
| 45 | }" |
| 46 | } |
| 47 | ] |
| 48 | }, |
| 49 | { |
| 50 | "if": "{$liquidity AND $amount0 > $min0 AND $amount1 > $min1}", |
| 51 | "init": "{ |
| 52 | if ($reserve1 == 0 OR $reserve0 == 0) { |
| 53 | $issue_amount = balance[$asset0]; |
| 54 | return; |
| 55 | } |
| 56 | $ratio = $reserve1 / $reserve0; |
| 57 | $expected_amount1 = round($ratio * $amount0); |
| 58 | if ($expected_amount1 != $amount1) |
| 59 | bounce('wrong ratio of amounts, expected ' || $expected_amount1 || ' of ' || $asset1); |
| 60 | $investor_share = $amount0 / $reserve0; |
| 61 | $issue_amount = round($investor_share * $supply); |
| 62 | }", |
| 63 | "messages": [ |
| 64 | { |
| 65 | "app": "payment", |
| 66 | "payload": { |
| 67 | "asset": "{$liquidity}", |
| 68 | "outputs": [ |
| 69 | { |
| 70 | "address": "{$to}", |
| 71 | "amount": "{$issue_amount}" |
| 72 | } |
| 73 | ] |
| 74 | } |
| 75 | }, |
| 76 | { |
| 77 | "app": "state", |
| 78 | "state": "{ |
| 79 | var['supply'] += $issue_amount; |
| 80 | response['liquidity_minted'] = $issue_amount; |
| 81 | }" |
| 82 | } |
| 83 | ] |
| 84 | }, |
| 85 | { |
| 86 | "if": "{$liquidity AND $liquidity_amount}", |
| 87 | "init": "{ |
| 88 | $investor_share = $liquidity_amount / $supply; |
| 89 | $minted0 = round($investor_share * balance[$asset0]); |
| 90 | $minted1 = round($investor_share * balance[$asset1]); |
| 91 | }", |
| 92 | "messages": [ |
| 93 | { |
| 94 | "app": "payment", |
| 95 | "payload": { |
| 96 | "asset": "{$asset0}", |
| 97 | "outputs": [ |
| 98 | { |
| 99 | "address": "{$to}", |
| 100 | "amount": "{$minted0}" |
| 101 | } |
| 102 | ] |
| 103 | } |
| 104 | }, |
| 105 | { |
| 106 | "app": "payment", |
| 107 | "payload": { |
| 108 | "asset": "{$asset1}", |
| 109 | "outputs": [ |
| 110 | { |
| 111 | "address": "{$to}", |
| 112 | "amount": "{$minted1}" |
| 113 | } |
| 114 | ] |
| 115 | } |
| 116 | }, |
| 117 | { |
| 118 | "app": "state", |
| 119 | "state": "{ |
| 120 | var['supply'] -= $liquidity_amount; |
| 121 | }" |
| 122 | } |
| 123 | ] |
| 124 | }, |
| 125 | { |
| 126 | "if": "{ |
| 127 | $asset0_to_asset1 = ($supply AND $amount0 > $min0 AND $amount1 == ($asset1 == 'base' ? 1e4 : 0)); |
| 128 | $asset1_to_asset0 = ($supply AND $amount1 > $min1 AND $amount0 == ($asset0 == 'base' ? 1e4 : 0)); |
| 129 | $asset0_to_asset1 || $asset1_to_asset0 |
| 130 | }", |
| 131 | "init": "{ |
| 132 | if ($deadline AND $deadline < timestamp) bounce('expired'); |
| 133 | $asset_out = $asset0_to_asset1 ? $asset1 : $asset0; |
| 134 | $numerator = $asset0_to_asset1 ? $amount0 * $reserve1 * 997 : $amount1 * $reserve0 * 997; |
| 135 | $denominator = $asset0_to_asset1 ? $reserve0 * 1000 + $amount0 * 997 : $reserve1 * 1000 + $amount1 * 997; |
| 136 | $amount_out = round($numerator / $denominator); |
| 137 | if ($amount_out_min AND $amount_out < $amount_out_min) bounce('insufficient output amount'); |
| 138 | }", |
| 139 | "messages": [ |
| 140 | { |
| 141 | "app": "payment", |
| 142 | "payload": { |
| 143 | "asset": "{$asset_out}", |
| 144 | "outputs": [ |
| 145 | { |
| 146 | "address": "{$to}", |
| 147 | "amount": "{$amount_out}" |
| 148 | } |
| 149 | ] |
| 150 | } |
| 151 | } |
| 152 | ] |
| 153 | } |
| 154 | ] |
| 155 | } |
| 156 | } |
| 157 | ] |