sql: settings table for exchange variables

only applied to bittrex as sample, default values are kept if unset.

sql/2016-04-27-settings.sql

@@ -0,0 +1,10 @@
+-- Recent additions to add after db init (.gz)
+-- mysql yaamp -p < file.sql
+
+
+CREATE TABLE `settings` (
+  `param` varchar(128) NOT NULL PRIMARY KEY,
+  `value` varchar(255) NULL,
+  `type` varchar(8) NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+

web/yaamp/commands/ExchangeCommand.php

@@ -30,14 +30,27 @@ class ExchangeCommand extends CConsoleCommand
 		if (!isset($args[0])) {
 
 			echo "Yiimp exchange command\n";
-			echo "Usage: yiimp exchange test\n";
+			echo "Usage: yiimp exchange apitest\n";
+			echo "       yiimp exchange get <exchange> <key>\n";
+			echo "       yiimp exchange set <exchange> <key> <value>\n";
+			echo "       yiimp exchange unset <exchange> <key>\n";
+			echo "       yiimp exchange settings <exchange>\n";
 			return 1;
 
-		} else if ($args[0] == 'test') {
+		} else if ($args[0] == 'get') {
+			return $this->getExchangeSetting($args);
 
+		} else if ($args[0] == 'set') {
+			return $this->setExchangeSetting($args);
+
+		} else if ($args[0] == 'unset') {
+			return $this->unsetExchangeSetting($args);
+
+		} else if ($args[0] == 'settings') {
+			return $this->listExchangeSettings($args);
+
+		} else if ($args[0] == 'apitest') {
 			$this->testApiKeys();
-
-			echo "ok\n";
 			return 0;
 		}
 	}
@@ -51,6 +64,62 @@ class ExchangeCommand extends CConsoleCommand
 		return parent::getHelp().'exchange';
 	}
 
+	public function getExchangeSetting($args)
+	{
+		if (count($args) < 3)
+			die("usage: yiimp exchange get <exchange> <key>\n");
+		$exchange = $args[1];
+		$key = $args[2];
+		$value = exchange_get($exchange, $key);
+		echo "$value\n";
+		return 0;
+	}
+
+	public function setExchangeSetting($args)
+	{
+		if (count($args) < 4)
+			die("usage: yiimp exchange set <exchange> <key> <value>\n");
+		$exchange = $args[1];
+		$key      = $args[2];
+		$value    = $args[3];
+		$keys = exchange_valid_keys($exchange);
+		if (!isset($keys[$key])) {
+			echo "error: key '$key' is not handled!\n";
+			return 1;
+		}
+		$res = exchange_set($exchange, $key, $value);
+		$val = exchange_get($exchange, $key);
+		echo ($res ? "$exchange $key ".json_encode($val) : "error") . "\n";
+		return 0;
+	}
+
+	public function unsetExchangeSetting($args)
+	{
+		if (count($args) < 3)
+			die("usage: yiimp exchange unset <exchange> <key>\n");
+		$exchange = $args[1];
+		$key      = $args[2];
+		exchange_unset($exchange, $key);
+		echo "ok\n";
+		return 0;
+	}
+
+	public function listExchangeSettings($args)
+	{
+		if (count($args) < 2)
+			die("usage: yiimp exchange settings <exchange>\n");
+		$exchange = $args[1];
+		$keys = exchange_valid_keys($exchange);
+		foreach ($keys as $key => $desc) {
+			$val = exchange_get($exchange, $key);
+			if ($val !== null) {
+				//echo "$desc\n";
+				echo "$exchange $key ".json_encode($val)."\n";
+			}
+		}
+		return 0;
+	}
+
 	public function testApiKeys()
 	{
 		require_once($this->basePath.'/yaamp/core/core.php');
@@ -116,7 +185,7 @@ class ExchangeCommand extends CConsoleCommand
 			else echo("cryptomic all: ".json_encode($balance->result)."\n");
 		}
 		if (!empty(EXCH_BITSTAMP_KEY)) {
-			$balance = bitstamp_api_user();
+			$balance = bitstamp_api_user('balance');
 			if (!is_object($balance)) echo "bitstamp error ".json_encode($balance)."\n";
 			else echo("bitstamp: ".json_encode($balance->result)."\n");
 		}

web/yaamp/core/functions/functions.php

@@ -7,5 +7,4 @@ require_once("easybitcoin.php");
 
 require_once("yaamp.php");
 require_once("memcache.php");
-
+require_once('settings.php');
-

web/yaamp/core/functions/settings.php

@@ -0,0 +1,101 @@
+<?php
+
+// DB Settings, initially made for trade settings on exchanges
+
+function settings_key_type($key)
+{
+	if (strpos($key, 'enabled') !== false) return 'bool';
+	if (strpos($key, 'disabled') !== false) return 'bool';
+	if (substr($key, -3) == 'pct') return 'percent';
+	if (substr($key, -3) == 'btc') return 'price';
+	if (substr($key, -5) == 'price') return 'price';
+	return 'string';
+}
+
+function settings_get($key, $default=null)
+{
+	$row = dborow("SELECT value, type FROM settings WHERE param=:key", array(':key'=>$key));
+	if (!$row) return $default;
+
+	$type = arraySafeVal($row, 'type', settings_key_type($key));
+	$value = $row['value'];
+	switch ($type) {
+	case 'bool':
+		return (bool) $value;
+	case 'int':
+		return intval($value);
+	case 'percent':
+		return ((double) $value) / 100.0;
+	case 'price':
+	case 'real':
+		return (double) $value;
+	case 'json':
+		return json_decode($value, true);
+	}
+	return $value;
+}
+
+function settings_set($key, $value)
+{
+	$type = settings_key_type($key);
+	if ($type == 'json') {
+		$value = json_encode($value);
+		if (strlen($value) > 255) {
+			debuglog("warning: settings_set($key) value is too long!");
+			return false;
+		}
+	}
+
+	if ($type == 'bool' && strcasecmp($value,'true') == 0) $value = 1;
+	if ($type == 'bool' && strcasecmp($value,'false')== 0) $value = 0;
+	if ($type == 'percent' && strpos($value, '%') === false) $value = floatval($value) * 100;
+
+	dborun("INSERT IGNORE INTO settings(param,value) VALUES (:key,:val)", array(
+		':key'=>$key,':val'=>$value
+	));
+	dborun("UPDATE settings SET value=:val, type=:type WHERE param=:key", array(
+		':key'=>$key,':val'=>$value,':type'=>$type
+	));
+	return true;
+}
+
+function settings_unset($key)
+{
+	dborun("DELETE FROM settings WHERE param=:key", array(':key'=>$key));
+	return 0;
+}
+
+function exchange_get($exchange, $key, $default=null)
+{
+	$value = settings_get("$exchange-$key", $default);
+	return $value;
+}
+
+function exchange_set($exchange, $key, $value)
+{
+	return settings_set("$exchange-$key", $value);
+}
+
+function exchange_unset($exchange, $key)
+{
+	// reset to default value
+	return settings_unset("$exchange-$key");
+}
+
+/**
+ * Returns the list of valid keys, with a description
+ */
+function exchange_valid_keys()
+{
+	return array(
+		'disabled' => 'Fully disable the exchange',
+
+		'trade_min_btc'			=> 'Minimum order on the exchange',
+		'trade_sell_ask_pct'	=> 'Initial order ask price related to the lowest ask (in %)',
+		'trade_cancel_ask_pct'	=> 'Cancel orders if the lowest ask reach this % of your order',
+
+		'withdraw_btc_address'	=> 'Custom withdraw BTC address for the exchange',
+		'withdraw_min_btc'		=> 'Auto withdraw when your BTC balance reach this amount (0=disabled)',
+		'withdraw_fee_btc'		=> 'Fees in BTC required to withdraw BTCs on the exchange',
+	);
+}

web/yaamp/core/trading/bittrex_trading.php

@@ -62,9 +62,12 @@ function doBittrexTrading($quick=false)
 	$flushall = rand(0, 8) == 0;
 	if($quick) $flushall = false;
 
-	$min_btc_trade = 0.00050000; // minimum allowed by the exchange
+	// minimum order allowed by the exchange
-	$sell_ask_pct = 1.05;        // sell on ask price + 5%
+	$min_btc_trade = exchange_get($exchange, 'trade_min_btc', 0.00050000);
-	$cancel_ask_pct = 1.20;      // cancel order if our price is more than ask price + 20%
+	// sell on ask price + 5%
+	$sell_ask_pct = exchange_get($exchange, 'trade_sell_ask_pct', 1.05);
+	// cancel order if our price is more than ask price + 20%
+	$cancel_ask_pct = exchange_get($exchange, 'trade_cancel_ask_pct', 1.20);
 
 	sleep(1);
 	$orders = bittrex_api_query('market/getopenorders');
@@ -234,10 +237,12 @@ function doBittrexTrading($quick=false)
 		$db_order->save();
 	}
 
-	if(floatval(EXCH_AUTO_WITHDRAW) > 0 && $savebalance->balance >= (EXCH_AUTO_WITHDRAW + 0.0002))
+	$withdraw_min = exchange_get($exchange, 'withdraw_min_btc', EXCH_AUTO_WITHDRAW);
+	$withdraw_fee = exchange_get($exchange, 'withdraw_fee_btc', 0.0002);
+	if($withdraw_min > 0 && $savebalance->balance >= ($withdraw_min + $withdraw_fee))
 	{
-		$btcaddr = YAAMP_BTCADDRESS;
+		$btcaddr = exchange_get($exchange, 'withdraw_btc_address', YAAMP_BTCADDRESS);
-		$amount = $savebalance->balance - 0.0002;
+		$amount = $savebalance->balance - $withdraw_fee;
 		debuglog("bittrex withdraw $amount to $btcaddr");
 
 		sleep(1);

web/yaamp/models/db_settingsModel.php

@@ -0,0 +1,40 @@
+<?php
+
+class db_settings extends CActiveRecord
+{
+	public static function model($className=__CLASS__)
+	{
+		return parent::model($className);
+	}
+
+	public function tableName()
+	{
+		return 'settings';
+	}
+
+	public function rules()
+	{
+		return array(
+			array('param', 'required'),
+		);
+	}
+
+	public function relations()
+	{
+		return array(
+		);
+	}
+
+	public function attributeLabels()
+	{
+		return array(
+		);
+	}
+
+	public function save($runValidation=true,$attributes=null)
+	{
+		if (empty($this->type)) $this->type = null;
+
+		return parent::save($runValidation, $attributes);
+	}
+}