| 1 | [ |
| 2 | "autonomous agent", |
| 3 | { |
| 4 | "doc_url": "https://pyth.ooo/perpetual.json", |
| 5 | "getters": "{ |
| 6 | |
| 7 | $trade_merge_period = 1; |
| 8 | |
| 9 | $get_param = ($name, $default) => { |
| 10 | $value = var[$name]; |
| 11 | exists($value) ? $value : (exists(params[$name]) ? params[$name] : $default) |
| 12 | }; |
| 13 | |
| 14 | $get_swap_fee = () => $get_param('swap_fee', 0.003); |
| 15 | $get_arb_profit_tax = () => $get_param('arb_profit_tax', 0.9); |
| 16 | $get_adjustment_period = () => $get_param('adjustment_period', 3 * 24 * 3600); |
| 17 | $get_presale_period = () => $get_param('presale_period', 14 * 24 * 3600); |
| 18 | $get_auction_price_halving_period = () => $get_param('auction_price_halving_period', 3 * 24 * 3600); |
| 19 | $get_token_share_threshold = () => $get_param('token_share_threshold', 0.1); |
| 20 | $get_min_s0_share = () => $get_param('min_s0_share', 0.01); |
| 21 | $get_reserve_price_aa = () => $get_param('reserve_price_aa'); |
| 22 | |
| 23 | $pow2 = $x => $x*$x; |
| 24 | |
| 25 | $adjust_prices = ($asset, $asset_info, $state) => { |
| 26 | if ($state.asset0 == $asset) |
| 27 | return; |
| 28 | |
| 29 | $elapsed = timestamp - $asset_info.last_ts; |
| 30 | $asset_info.last_ts = timestamp; |
| 31 | |
| 32 | if ($asset_info.presale AND $asset_info.preipo){ |
| 33 | $target_price = $asset_info.last_auction_price; |
| 34 | } |
| 35 | else{ |
| 36 | $price_aa = $asset_info.price_aa; |
| 37 | if (!$price_aa) |
| 38 | return; |
| 39 | |
| 40 | |
| 41 | $target_price = $price_aa#3.$get_target_price() / $get_reserve_price_aa()#8.$get_reserve_price(); |
| 42 | if (typeof($target_price) != 'number' OR $target_price < 0) |
| 43 | return; |
| 44 | } |
| 45 | |
| 46 | if ($asset_info.presale){ |
| 47 | if ( |
| 48 | $asset_info.presale_amount |
| 49 | AND ( |
| 50 | timestamp >= $asset_info.presale_finish_ts |
| 51 | OR $asset_info.presale_amount > $get_token_share_threshold() * $state.reserve |
| 52 | |
| 53 | OR $asset_info.preipo AND $asset_info.presale_amount / $target_price >= $asset_info.max_tokens |
| 54 | ) |
| 55 | ){ |
| 56 | delete($asset_info, 'presale'); |
| 57 | $asset_info.initial_price = $target_price; |
| 58 | $asset_info.supply = floor($asset_info.presale_amount / $target_price); |
| 59 | $asset_info.a = $pow2($target_price / $state.coef) * $state.reserve/$asset_info.presale_amount; |
| 60 | $new_reserve = $state.reserve + $asset_info.presale_amount; |
| 61 | $state.coef = $state.coef * sqrt($new_reserve/$state.reserve); |
| 62 | $state.reserve = $new_reserve; |
| 63 | } |
| 64 | return; |
| 65 | } |
| 66 | |
| 67 | $r = $state.reserve; |
| 68 | $c = $state.coef; |
| 69 | $s = $asset_info.supply; |
| 70 | $a = $asset_info.a; |
| 71 | $p = $c*$c * $a * $s / $r; |
| 72 | $s0 = $state.s0; |
| 73 | |
| 74 | if (!$s) |
| 75 | return; |
| 76 | |
| 77 | $full_delta_p = $target_price - $p; |
| 78 | $adjustment_period = $get_adjustment_period(); |
| 79 | $delta_p = $elapsed >= $adjustment_period ? $full_delta_p : $elapsed/$adjustment_period*$full_delta_p; |
| 80 | |
| 81 | |
| 82 | |
| 83 | |
| 84 | |
| 85 | $new_c = $c * sqrt(1 - $s * $r * $delta_p / ($r*$r - $a * $pow2($c * $s))); |
| 86 | require(($new_c - $c) * $delta_p <= 0, "c should change opposite to p"); |
| 87 | $new_a = ($p + $delta_p) * $r / $new_c/$new_c / $s; |
| 88 | require(($new_a - $a) * $delta_p >= 0, "a should change as p"); |
| 89 | $asset_info.a = $new_a; |
| 90 | $state.coef = $new_c; |
| 91 | |
| 92 | |
| 93 | if ($asset_info.drift_rate){ |
| 94 | $relative_price_drift = $elapsed/360/24/3600 * $asset_info.drift_rate; |
| 95 | if ($relative_price_drift < 1){ |
| 96 | $asset_info.a = $asset_info.a * (1 - $relative_price_drift); |
| 97 | $state.a0 = $state.a0 + $pow2($s/$s0) * $asset_info.a * $relative_price_drift; |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | |
| 102 | $a0 = $state.a0; |
| 103 | $c1 = $state.coef; |
| 104 | $s0_share = $a0 * $pow2($s0 * $c1 / $r); |
| 105 | $min_s0_share = $get_min_s0_share(); |
| 106 | if ($s0_share < $min_s0_share){ |
| 107 | $new_a0 = ($pow2($r/$c1/$s0) - $a0) / (1/$min_s0_share - 1); |
| 108 | $new_c2 = $r/$s0 * sqrt($min_s0_share/$new_a0); |
| 109 | require($new_a0 > $a0, "a0 should grow"); |
| 110 | require($new_c2 < $c, "c should fall"); |
| 111 | $state.a0 = $new_a0; |
| 112 | $state.coef = $new_c; |
| 113 | } |
| 114 | }; |
| 115 | |
| 116 | |
| 117 | $get_auction_price = ($asset) => { |
| 118 | $state = var['state']; |
| 119 | $asset_info = var['asset_'||$asset]; |
| 120 | require($asset_info, "no such asset"); |
| 121 | require($asset_info.preipo, "not a pre-IPO"); |
| 122 | $asset_info.initial_auction_price / 2^((timestamp - $asset_info.creation_ts)/$get_auction_price_halving_period()) |
| 123 | }; |
| 124 | |
| 125 | $get_price = ($asset, $bWithPriceAdjustment) => { |
| 126 | $state = var['state']; |
| 127 | $bAsset0 = $state.asset0 == $asset; |
| 128 | $asset_info = var['asset_'||$asset]; |
| 129 | require($asset_info, "no such asset"); |
| 130 | if ($bWithPriceAdjustment) |
| 131 | $adjust_prices($asset, $asset_info, $state); |
| 132 | $r = $state.reserve; |
| 133 | $c = $state.coef; |
| 134 | $s = $bAsset0 ? $state.s0 : $asset_info.supply; |
| 135 | $a = $bAsset0 ? $state.a0 : $asset_info.a; |
| 136 | $p = $c*$c * $a * $s / $r; |
| 137 | $p |
| 138 | }; |
| 139 | |
| 140 | |
| 141 | $get_exchange_result_by_state = ($tokens, $delta_r, $asset, $asset_info, $state, $trigger_initial_address) => { |
| 142 | require($tokens > 0 AND $delta_r == 0 OR $tokens == 0 AND $delta_r > 0, "invalid input"); |
| 143 | |
| 144 | $op = $tokens ? 'sell' : 'buy'; |
| 145 | $bAsset0 = $state.asset0 == $asset; |
| 146 | |
| 147 | $r = $state.reserve; |
| 148 | $c = $state.coef; |
| 149 | $s = $bAsset0 ? $state.s0 : $asset_info.supply; |
| 150 | $a = $bAsset0 ? $state.a0 : $asset_info.a; |
| 151 | $p = $s ? $c*$c * $a * $s / $r : 0; |
| 152 | log('p = ', $p); |
| 153 | |
| 154 | $key = 'last_'||$op; |
| 155 | $last_trade = $bAsset0 ? $state[$key] : $asset_info[$key]; |
| 156 | $bMerge = (timestamp <= $last_trade.ts + $trade_merge_period AND $trigger_initial_address == $last_trade.address); |
| 157 | $recent_tax = $bMerge ? $last_trade.tax : 0; |
| 158 | $recent_delta_s = $bMerge ? $last_trade.delta_s : 0; |
| 159 | $initial_p = $bMerge ? ($tokens ? max($p, $last_trade.initial_p) : min($p, $last_trade.initial_p)) : $p; |
| 160 | |
| 161 | $swap_fee_rate = $get_swap_fee(); |
| 162 | $arb_profit_tax_rate = $get_arb_profit_tax(); |
| 163 | |
| 164 | $get_new_s = ($new_r, $fee_rate) => sqrt($s*$s + ($new_r*$new_r - $r*$r)/$c/$c/$a * (1 - $fee_rate)); |
| 165 | $get_new_r = ($new_s, $fee_rate) => sqrt($r*$r + ($new_s*$new_s - $s*$s)*$c*$c*$a * (1 - $fee_rate)); |
| 166 | |
| 167 | if ($tokens) { |
| 168 | $delta_s = -$tokens; |
| 169 | $new_s = $s - $tokens; |
| 170 | $new_r1 = $get_new_r($new_s, $swap_fee_rate); |
| 171 | $new_a1 = $bAsset0 ? ($a * $s*$s + ($new_r1*$new_r1 - $r*$r)/$c/$c)/$new_s/$new_s : $a; |
| 172 | $new_p1 = $c*$c * $new_a1 * $new_s / $new_r1; |
| 173 | require($new_p1 < $p, "price should go down when selling, got "||$p||" => "||$new_p1); |
| 174 | $arb_profit_tax = $arb_profit_tax_rate * ($initial_p - $new_p1) * ($tokens - $recent_delta_s) / 2 - $recent_tax; |
| 175 | require($arb_profit_tax >= 0, "negative arb profit tax "||$arb_profit_tax); |
| 176 | $full_fee_rate = $swap_fee_rate + $arb_profit_tax/($r - $new_r1); |
| 177 | require($full_fee_rate < 1, "fee would exceed 100%"); |
| 178 | $new_r = ceil($get_new_r($new_s, $full_fee_rate)); |
| 179 | require($new_r <= $r, "r would increase to "||$new_r); |
| 180 | $swap_fee = $swap_fee_rate * ($r - $new_r); |
| 181 | $state.a0 = $bAsset0 |
| 182 | ? ($state.a0 * $s*$s + ($new_r*$new_r - $r*$r)/$c/$c)/$new_s/$new_s |
| 183 | : $state.a0 + $full_fee_rate * $a * ($s*$s - $new_s*$new_s) / $state.s0 / $state.s0; |
| 184 | |
| 185 | } |
| 186 | else { |
| 187 | $new_r = $r + $delta_r; |
| 188 | $swap_fee = $swap_fee_rate * $delta_r; |
| 189 | $new_s1 = $get_new_s($new_r, $swap_fee_rate); |
| 190 | log('new_s1 = ', $new_s1, 'delta', $new_s1 - $s); |
| 191 | $new_a1 = $bAsset0 ? ($a * $s*$s + ($new_r*$new_r - $r*$r)/$c/$c)/$new_s1/$new_s1 : $a; |
| 192 | $new_p1 = $c*$c * $new_a1 * $new_s1 / $new_r; |
| 193 | log('new_p1 = ', $new_p1, 'delta', $new_p1 - $p); |
| 194 | require($new_p1 > $p, "price should go up when buying, got "||$p||" => "||$new_p1); |
| 195 | $arb_profit_tax = $arb_profit_tax_rate * ($new_p1 - $initial_p) * ($new_s1 - $s + $recent_delta_s) / 2 - $recent_tax; |
| 196 | require($arb_profit_tax >= 0, "negative arb profit tax "||$arb_profit_tax); |
| 197 | |
| 198 | $full_fee_rate = $swap_fee_rate + $arb_profit_tax/$delta_r; |
| 199 | require($full_fee_rate < 1, "fee would exceed 100%"); |
| 200 | $new_s = floor($get_new_s($new_r, $full_fee_rate)); |
| 201 | log('new_s = ', $new_s); |
| 202 | $delta_s = $new_s - $s; |
| 203 | require($delta_s >= 0, "s would decrease by "||$delta_s); |
| 204 | $state.a0 = $bAsset0 |
| 205 | ? ($state.a0 * $s*$s + ($new_r*$new_r - $r*$r)/$c/$c)/$new_s/$new_s |
| 206 | : $state.a0 + $full_fee_rate * ($new_r*$new_r - $r*$r)/$c/$c/$state.s0/$state.s0; |
| 207 | } |
| 208 | require($state.a0 > 0, "a0 would become "||$state.a0); |
| 209 | |
| 210 | $state.reserve = $new_r; |
| 211 | if ($bAsset0){ |
| 212 | require($state.a0 >= $a, "a0 should grow"); |
| 213 | $state.s0 = $new_s; |
| 214 | } |
| 215 | else |
| 216 | $asset_info.supply = $new_s; |
| 217 | |
| 218 | $new_p = $c*$c * $a * $new_s / $new_r; |
| 219 | log('new_p = ', $new_p); |
| 220 | |
| 221 | |
| 222 | |
| 223 | $total_fee = $swap_fee + $arb_profit_tax; |
| 224 | |
| 225 | if ($tokens){ |
| 226 | $payout = $r - $new_r; |
| 227 | $fee_percent = $total_fee / ($r - $new_r) * 100; |
| 228 | } |
| 229 | else |
| 230 | $fee_percent = $total_fee / $delta_r * 100; |
| 231 | |
| 232 | if ($bAsset0){ |
| 233 | $state[$key].delta_s = ($bMerge ? $last_trade.delta_s : 0) + $delta_s; |
| 234 | $state[$key].initial_p = $initial_p; |
| 235 | $state[$key].tax = $arb_profit_tax; |
| 236 | $state[$key].ts = timestamp; |
| 237 | $state[$key].address = $trigger_initial_address; |
| 238 | } |
| 239 | else { |
| 240 | $asset_info[$key].delta_s = ($bMerge ? $last_trade.delta_s : 0) + $delta_s; |
| 241 | $asset_info[$key].initial_p = $initial_p; |
| 242 | $asset_info[$key].tax = $arb_profit_tax; |
| 243 | $asset_info[$key].ts = timestamp; |
| 244 | $asset_info[$key].address = $trigger_initial_address; |
| 245 | } |
| 246 | |
| 247 | { |
| 248 | payout: $payout, |
| 249 | delta_s: $delta_s, |
| 250 | old_reserve: $r, |
| 251 | new_reserve: $new_r, |
| 252 | delta_reserve: $new_r - $r, |
| 253 | old_price: $p, |
| 254 | new_price: $new_p, |
| 255 | swap_fee: $swap_fee, |
| 256 | arb_profit_tax: $arb_profit_tax, |
| 257 | total_fee: $total_fee, |
| 258 | fee_percent: $fee_percent, |
| 259 | } |
| 260 | }; |
| 261 | |
| 262 | $get_exchange_result = ($asset, $tokens, $delta_r) => { |
| 263 | $state = var['state']; |
| 264 | if ($asset != $state.asset0){ |
| 265 | $asset_info = var['asset_'||$asset]; |
| 266 | require($asset_info, "no such asset"); |
| 267 | $adjust_prices($asset, $asset_info, $state); |
| 268 | } |
| 269 | $get_exchange_result_by_state($tokens, $delta_r, $asset, $asset_info, $state, 'ADDRESS') |
| 270 | }; |
| 271 | |
| 272 | |
| 273 | |
| 274 | }", |
| 275 | "init": "{ |
| 276 | |
| 277 | $reserve_asset = params.reserve_asset; |
| 278 | |
| 279 | |
| 280 | $min_contribution = ($reserve_asset == 'base') ? 99999 : 0; |
| 281 | $network_fee = ($reserve_asset == 'base') ? 1000 : 0; |
| 282 | |
| 283 | $state = var['state']; |
| 284 | |
| 285 | |
| 286 | $asset = trigger.data.asset; |
| 287 | |
| 288 | if ($asset AND $asset != $state.asset0){ |
| 289 | $asset_info = var['asset_'||$asset]; |
| 290 | require($asset_info, "no such asset"); |
| 291 | $adjust_prices($asset, $asset_info, $state); |
| 292 | } |
| 293 | |
| 294 | if (trigger.data.to AND !is_valid_address(trigger.data.to)) |
| 295 | bounce("bad to address"); |
| 296 | $to = trigger.data.to OTHERWISE trigger.address; |
| 297 | |
| 298 | |
| 299 | $staking_base_aa = 'IHD6VTC6VXYDSSS5CVZCEPNXMSA4I52M'; |
| 300 | |
| 301 | }", |
| 302 | "messages": { |
| 303 | "cases": [ |
| 304 | { |
| 305 | "if": "{ trigger.data.define AND !$state }", |
| 306 | "init": "{ |
| 307 | |
| 308 | $params = {aa: this_address}; |
| 309 | if (params.challenging_period) |
| 310 | $params.challenging_period = params.challenging_period; |
| 311 | if (params.max_term) |
| 312 | $params.max_term = params.max_term; |
| 313 | if (params.min_term) |
| 314 | $params.min_term = params.min_term; |
| 315 | if (params.decay_factor) |
| 316 | $params.decay_factor = params.decay_factor; |
| 317 | $staking_aa = [ |
| 318 | 'autonomous agent', |
| 319 | { |
| 320 | base_aa: $staking_base_aa, |
| 321 | params: $params |
| 322 | } |
| 323 | ]; |
| 324 | $staking_aa_address = chash160($staking_aa); |
| 325 | |
| 326 | }", |
| 327 | "messages": [ |
| 328 | { |
| 329 | "app": "asset", |
| 330 | "payload": { |
| 331 | "is_private": false, |
| 332 | "is_transferrable": true, |
| 333 | "auto_destroy": false, |
| 334 | "fixed_denominations": false, |
| 335 | "issued_by_definer_only": true, |
| 336 | "cosigned_by_definer": false, |
| 337 | "spender_attested": false |
| 338 | } |
| 339 | }, |
| 340 | { |
| 341 | "app": "definition", |
| 342 | "payload": { |
| 343 | "definition": "{$staking_aa}" |
| 344 | } |
| 345 | }, |
| 346 | { |
| 347 | "app": "payment", |
| 348 | "payload": { |
| 349 | "asset": "base", |
| 350 | "outputs": [ |
| 351 | { |
| 352 | "address": "{ $staking_aa_address }", |
| 353 | "amount": 1000 |
| 354 | } |
| 355 | ] |
| 356 | } |
| 357 | }, |
| 358 | { |
| 359 | "app": "state", |
| 360 | "state": "{ |
| 361 | var['staking_aa'] = $staking_aa_address; |
| 362 | var['state'] = {asset0: response_unit, a0: 1, s0: 0, reserve: 0, coef: 1}; |
| 363 | response['asset'] = response_unit; |
| 364 | }" |
| 365 | } |
| 366 | ] |
| 367 | }, |
| 368 | { |
| 369 | "if": "{ trigger.address == var['staking_aa'] AND trigger.data.name }", |
| 370 | "init": "{ |
| 371 | $name = trigger.data.name; |
| 372 | $value = trigger.data.value; |
| 373 | if ($name == 'add_price_aa'){ |
| 374 | require($value == 'yes', "can't remove asset"); |
| 375 | require(trigger.data.price_aa, "no price_aa"); |
| 376 | } |
| 377 | else if ($name == 'change_price_aa' OR $name == 'change_drift_rate') |
| 378 | require($asset, "no asset"); |
| 379 | else if ($name == 'add_preipo'){ |
| 380 | require($value == 'yes', "can't remove preipo"); |
| 381 | require(trigger.data.symbol, "no symbol"); |
| 382 | require(trigger.data.initial_auction_price, "no initial_auction_price"); |
| 383 | require(trigger.data.max_tokens, "no max_tokens"); |
| 384 | } |
| 385 | $bAddNewAsset = ($name == 'add_price_aa' OR $name == 'add_preipo'); |
| 386 | }", |
| 387 | "messages": [ |
| 388 | { |
| 389 | "if": "{$bAddNewAsset}", |
| 390 | "app": "asset", |
| 391 | "payload": { |
| 392 | "is_private": false, |
| 393 | "is_transferrable": true, |
| 394 | "auto_destroy": false, |
| 395 | "fixed_denominations": false, |
| 396 | "issued_by_definer_only": true, |
| 397 | "cosigned_by_definer": false, |
| 398 | "spender_attested": false |
| 399 | } |
| 400 | }, |
| 401 | { |
| 402 | "if": "{$bAddNewAsset}", |
| 403 | "app": "payment", |
| 404 | "payload": { |
| 405 | "asset": "base", |
| 406 | "outputs": [ |
| 407 | { |
| 408 | "address": "{trigger.address}", |
| 409 | "amount": 1000 |
| 410 | } |
| 411 | ] |
| 412 | } |
| 413 | }, |
| 414 | { |
| 415 | "app": "state", |
| 416 | "state": "{ |
| 417 | if ($bAddNewAsset){ |
| 418 | response['asset'] = response_unit; |
| 419 | $a_info = { |
| 420 | |
| 421 | |
| 422 | last_ts: timestamp, |
| 423 | presale: true, |
| 424 | presale_amount: 0, |
| 425 | creation_ts: timestamp, |
| 426 | presale_finish_ts: timestamp + $get_presale_period(), |
| 427 | }; |
| 428 | if ($name == 'add_price_aa') |
| 429 | $a_info.price_aa = trigger.data.price_aa; |
| 430 | else { |
| 431 | $a_info.preipo = true; |
| 432 | $a_info.symbol = trigger.data.symbol; |
| 433 | $a_info.initial_auction_price = trigger.data.initial_auction_price; |
| 434 | $a_info.last_auction_price = trigger.data.initial_auction_price; |
| 435 | $a_info.max_tokens = trigger.data.max_tokens; |
| 436 | } |
| 437 | var['asset_'||response_unit] = $a_info; |
| 438 | } |
| 439 | else if ($name == 'change_price_aa' OR $name == 'change_drift_rate'){ |
| 440 | $asset_info[$name == 'change_price_aa' ? 'price_aa' : 'drift_rate'] = $value; |
| 441 | var['asset_'||$asset] = $asset_info; |
| 442 | var['state'] = $state; |
| 443 | } |
| 444 | else |
| 445 | var[$name] = $value; |
| 446 | }" |
| 447 | } |
| 448 | ] |
| 449 | }, |
| 450 | { |
| 451 | "if": "{ |
| 452 | if (!($state AND $asset AND trigger.data.presale)) |
| 453 | return false; |
| 454 | $in_amount = trigger.output[[asset=$reserve_asset]]; |
| 455 | $bAdd = $in_amount > $min_contribution; |
| 456 | $bWithdraw = $in_amount <= $min_contribution AND is_integer(trigger.data.withdraw_amount) AND trigger.data.withdraw_amount > 0; |
| 457 | $bAdd OR $bWithdraw |
| 458 | }", |
| 459 | "init": "{ |
| 460 | require($asset_info.presale, "already launched"); |
| 461 | require($asset_info.presale_finish_ts >= timestamp, "presale finished"); |
| 462 | if ($bAdd) |
| 463 | $delta = $in_amount; |
| 464 | else { |
| 465 | $contribution = var['contribution_'||trigger.address||'_'||$asset]; |
| 466 | require(trigger.data.withdraw_amount <= $contribution, "you have only "||$contribution); |
| 467 | $delta = -trigger.data.withdraw_amount; |
| 468 | } |
| 469 | }", |
| 470 | "messages": [ |
| 471 | { |
| 472 | "if": "{$bWithdraw}", |
| 473 | "app": "payment", |
| 474 | "payload": { |
| 475 | "asset": "{$reserve_asset}", |
| 476 | "outputs": [ |
| 477 | { |
| 478 | "address": "{$to}", |
| 479 | "amount": "{ trigger.data.withdraw_amount }" |
| 480 | } |
| 481 | ] |
| 482 | } |
| 483 | }, |
| 484 | { |
| 485 | "app": "state", |
| 486 | "state": "{ |
| 487 | var['contribution_'||trigger.address||'_'||$asset] += $delta; |
| 488 | $asset_info.presale_amount = $asset_info.presale_amount + $delta; |
| 489 | if ($asset_info.preipo AND $bAdd) |
| 490 | $asset_info.last_auction_price = $asset_info.initial_auction_price / 2^((timestamp - $asset_info.creation_ts)/$get_auction_price_halving_period()); |
| 491 | var['asset_'||$asset] = $asset_info; |
| 492 | }" |
| 493 | } |
| 494 | ] |
| 495 | }, |
| 496 | { |
| 497 | "if": "{ $state AND $asset AND trigger.data.claim }", |
| 498 | "init": "{ |
| 499 | require(!$asset_info.presale, "not launched yet"); |
| 500 | $contribution = var['contribution_'||trigger.address||'_'||$asset]; |
| 501 | require($contribution, "you had no contribution or already paid"); |
| 502 | }", |
| 503 | "messages": [ |
| 504 | { |
| 505 | "app": "payment", |
| 506 | "payload": { |
| 507 | "asset": "{$asset}", |
| 508 | "outputs": [ |
| 509 | { |
| 510 | "address": "{$to}", |
| 511 | "amount": "{ floor($contribution / $asset_info.initial_price) }" |
| 512 | } |
| 513 | ] |
| 514 | } |
| 515 | }, |
| 516 | { |
| 517 | "app": "state", |
| 518 | "state": "{ |
| 519 | var['contribution_'||trigger.address||'_'||$asset] = false; |
| 520 | var['asset_'||$asset] = $asset_info; |
| 521 | var['state'] = $state; |
| 522 | }" |
| 523 | } |
| 524 | ] |
| 525 | }, |
| 526 | { |
| 527 | "if": "{ $state AND $asset AND (trigger.output[[asset=$reserve_asset]] > $min_contribution OR trigger.output[[asset=$asset]] > 0) }", |
| 528 | "init": "{ |
| 529 | $tokens = trigger.output[[asset=$asset]]; |
| 530 | if ($tokens){ |
| 531 | require(trigger.output[[asset=$reserve_asset]] <= $min_contribution, "don't send the reserve when redeeming tokens"); |
| 532 | } |
| 533 | |
| 534 | $reserve_asset_amount = $tokens ? 0 : trigger.output[[asset=$reserve_asset]] - $network_fee; |
| 535 | |
| 536 | $res = $get_exchange_result_by_state($tokens, $reserve_asset_amount, $asset, $asset_info, $state, trigger.initial_address); |
| 537 | |
| 538 | response['price'] = $res.new_price; |
| 539 | response['swap_fee'] = $res.swap_fee; |
| 540 | response['arb_profit_tax'] = $res.arb_profit_tax; |
| 541 | response['total_fee'] = $res.total_fee; |
| 542 | |
| 543 | if ($res.payout AND $res.payout < 0) |
| 544 | bounce("unexpected payout < 0"); |
| 545 | if ($res.payout AND trigger.data.min_reserve_tokens AND $res.payout < trigger.data.min_reserve_tokens) |
| 546 | bounce("payout would be only " || $res.payout); |
| 547 | if (trigger.data.max_fee_percent AND $res.fee_percent > trigger.data.max_fee_percent) |
| 548 | bounce("fee would be " || $res.fee_percent || '%'); |
| 549 | |
| 550 | |
| 551 | $hops = trigger.data.hops; |
| 552 | $address = $hops[0].address OTHERWISE $to; |
| 553 | if ($hops){ |
| 554 | $data_for_next_hop = $hops[0].data; |
| 555 | delete($hops, 0); |
| 556 | if ($data_for_next_hop OR length($hops)){ |
| 557 | $forwarded_data = $data_for_next_hop OTHERWISE {}; |
| 558 | if (length($hops)) |
| 559 | $forwarded_data.hops = $hops; |
| 560 | } |
| 561 | } |
| 562 | |
| 563 | }", |
| 564 | "messages": [ |
| 565 | { |
| 566 | "if": "{$res.delta_s > 0}", |
| 567 | "app": "payment", |
| 568 | "payload": { |
| 569 | "asset": "{$asset}", |
| 570 | "outputs": [ |
| 571 | { |
| 572 | "address": "{$address}", |
| 573 | "amount": "{ $res.delta_s }" |
| 574 | } |
| 575 | ] |
| 576 | } |
| 577 | }, |
| 578 | { |
| 579 | "app": "payment", |
| 580 | "payload": { |
| 581 | "asset": "{$reserve_asset}", |
| 582 | "outputs": [ |
| 583 | { |
| 584 | "address": "{$address}", |
| 585 | "amount": "{$res.payout}", |
| 586 | "if": "{$res.payout}" |
| 587 | } |
| 588 | ] |
| 589 | } |
| 590 | }, |
| 591 | { |
| 592 | "if": "{$forwarded_data}", |
| 593 | "app": "data", |
| 594 | "payload": "{$forwarded_data}" |
| 595 | }, |
| 596 | { |
| 597 | "app": "state", |
| 598 | "state": "{ |
| 599 | if ($asset != $state.asset0) |
| 600 | var['asset_'||$asset] = $asset_info; |
| 601 | var['state'] = $state; |
| 602 | response['fee%'] = round($res.fee_percent, 4) || '%'; |
| 603 | }" |
| 604 | } |
| 605 | ] |
| 606 | } |
| 607 | ] |
| 608 | } |
| 609 | } |
| 610 | ] |