add system for buying coins and selling coins
This commit is contained in:
Lorenc Pekaj
parent
5be244ea27
commit
6dbfc1ecfe
@ -9,22 +9,220 @@
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#include < YSI\y_hooks >
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#include < YSI\y_hooks >
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/* ** Definitions ** */
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/* ** Definitions ** */
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#define DIALOG_IC_SELLORDERS ( 5921 )
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#define DIALOG_IC_BUY ( 5922 )
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/* ** Variables ** */
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/* ** Variables ** */
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static const
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p_PlayerMarket_SellOrders [ MAX_PLAYERS ] [ 50 ];
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/* ** Hooks ** */
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/* ** Hooks ** */
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hook OnDialogResponse( playerid, dialogid, response, listitem, inputtext[ ] )
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{
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if ( dialogid == DIALOG_IC_SELLORDERS && response )
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{
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for ( new i = 0, x = 0; i < sizeof ( p_PlayerMarket_SellOrders ); i ++ ) if ( p_PlayerMarket_SellOrders[ playerid ] [ i ] != -1 )
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{
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if ( x == listitem )
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{
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PlayerMarket_ShowSellOrder( playerid, p_PlayerMarket_SellOrders[ playerid ] [ i ] );
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break;
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}
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x ++;
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}
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}
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else if ( dialogid == DIALOG_IC_BUY )
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{
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if ( ! response ) {
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return ShowPlayerCoinSellOrders( playerid );
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}
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new sellorderid = GetPVarInt( playerid, "playermarket_sellorder" );
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new Float: purchase_amount;
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if ( sscanf( inputtext, "f", purchase_amount ) )
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{
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SendError( playerid, "Please specify a valid amount." );
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return PlayerMarket_ShowSellOrder( playerid, sellorderid );
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}
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else
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{
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mysql_tquery( dbHandle, sprintf( "SELECT * FROM `IC_SELL_ORDERS` WHERE `ID` = %d", sellorderid ), "PlayerMarket_OnPurchaseOrder", "ddf", playerid, sellorderid, purchase_amount );
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return 1;
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}
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}
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return 1;
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}
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/* ** Commands ** */
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CMD:sellcoins( playerid, params[ ] )
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{
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new
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Float: quantity, price;
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if ( sscanf( params, "df", price, quantity ) ) return SendUsage( playerid, "/sellcoins [PRICE_PER_COIN] [COINS]" );
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else if ( quantity < 10.0 ) return SendError( playerid, "The minimum amount you can sell is 10.0 Irresistible Coins." );
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else if ( quantity > GetPlayerIrresistibleCoins( playerid ) ) return SendError( playerid, "You do not have this many Irresistible Coins." );
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else if ( ! ( 1000 <= price <= 125000 )) return SendError( playerid, "Selling price must be between $1,000 and $125,000 per coin." );
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else
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{
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// insert into database
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mysql_format( dbHandle, szBigString, sizeof( szBigString ), "INSERT INTO IC_SELL_ORDERS (USER_ID, ASK_PRICE, AVAILABLE_IC, TOTAL_IC) VALUES (%d, %d, %f, %f)", GetPlayerAccountID( playerid ), price, quantity, quantity );
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mysql_single_query( szBigString );
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// deduct the coins
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SendServerMessage( playerid, "Sell order for %s Irresistible Coins (at %s/IC) has been placed. Cancel via /ic cancel.", number_format( quantity, .decimals = 2 ), cash_format( price ) );
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GivePlayerIrresistibleCoins( playerid, -quantity );
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}
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return 1;
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}
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CMD:buycoins( playerid, params[ ] )
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{
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ShowPlayerCoinSellOrders( playerid );
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return 1;
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}
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/* ** SQL Threads ** */
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thread PlayerMarket_OnShowSellOrders( playerid )
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{
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new
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rows = cache_get_row_count( );
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if ( rows )
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{
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static
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seller[ 24 ];
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// set headers
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szHugeString = ""COL_GREY"Player\t"COL_GREY"Quantity Available\t"COL_GREY"Price Per Coin\n";
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for ( new row = 0; row < sizeof ( p_PlayerMarket_SellOrders[ ] ); row ++ )
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{
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if ( row < rows )
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{
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// store all the listing ids to the player
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p_PlayerMarket_SellOrders[ playerid ] [ row ] = cache_get_field_content_int( row, "ID" );
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cache_get_field_content( row, "NAME", seller );
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new Float: quantity = cache_get_field_content_float( row, "AVAILABLE_IC" );
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new ask_price = cache_get_field_content_int( row, "ASK_PRICE" );
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format( szHugeString, sizeof( szHugeString ), "%s%s\t%s\t"COL_GREEN"%s\n", szHugeString, seller, number_format( quantity, .decimals = 2 ), cash_format( ask_price ) );
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}
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else
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{
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p_PlayerMarket_SellOrders[ playerid ] [ row ] = -1;
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}
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}
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return ShowPlayerDialog( playerid, DIALOG_IC_SELLORDERS, DIALOG_STYLE_TABLIST_HEADERS, ""COL_GOLD"Irresistible Coin - "COL_WHITE"Buy Coins", szHugeString, "Buy", "Close" );
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}
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else
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{
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return SendError( playerid, "There are no available coin sell orders at current." );
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}
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}
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thread PlayerMarket_OnShowSellOrder( playerid, sellorderid )
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{
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new
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rows = cache_get_row_count( );
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if ( ! rows ) {
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return SendError( playerid, "This sell order no longer exists. Please try again." );
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}
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new Float: quantity = cache_get_field_content_float( 0, "AVAILABLE_IC" );
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new ask_price = cache_get_field_content_int( 0, "ASK_PRICE" );
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SetPVarInt( playerid, "playermarket_sellorder", sellorderid );
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format( szBigString, sizeof( szBigString ), "This player has %s Irresistible Coins to sell at %s per coin.\n\nHow many Irresistible Coins would you like to buy?", number_format( quantity, .decimals = 2 ), cash_format( ask_price ) );
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return ShowPlayerDialog( playerid, DIALOG_IC_BUY, DIALOG_STYLE_INPUT, ""COL_GOLD"Irresistible Coin - "COL_WHITE"Buy Coins", szBigString, "Buy", "Back" ), 1;
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}
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thread PlayerMarket_OnPurchaseOrder( playerid, sellorderid, Float: purchase_amount )
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{
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new
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rows = cache_get_row_count( );
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if ( ! rows ) {
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return SendError( playerid, "This sell order no longer exists. Please try again." );
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}
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// check if the player has the money for the purchase
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new ask_price = cache_get_field_content_int( 0, "ASK_PRICE" );
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new purchase_cost = floatround( float( ask_price ) * purchase_amount );
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if ( GetPlayerCash( playerid ) < purchase_cost ) {
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return SendError( playerid, "You need at least %s to purchase this many coins.", cash_format( purchase_cost ) ), PlayerMarket_ShowSellOrder( playerid, sellorderid ), 1;
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}
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// check if quantity is valid
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new Float: available_quantity = cache_get_field_content_float( 0, "AVAILABLE_IC" );
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if ( purchase_amount > available_quantity ) {
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return SendError( playerid, "This player does not have that many coins for sale." ), PlayerMarket_ShowSellOrder( playerid, sellorderid ), 1;
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}
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// check if seller is the buyer
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new seller_account_id = cache_get_field_content_int( 0, "USER_ID" );
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// delete the sell order if theres little remaining else reduce
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if ( available_quantity - purchase_amount < 0.5 ) {
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mysql_single_query( sprintf( "DELETE FROM IC_SELL_ORDERS WHERE ID = %d", sellorderid ) );
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} else {
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mysql_single_query( sprintf( "UPDATE IC_SELL_ORDERS SET AVAILABLE_IC = AVAILABLE_IC - %f WHERE ID = %d", purchase_amount, sellorderid ) );
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}
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// check if the seller is online
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new
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sellerid;
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foreach ( sellerid : Player ) if ( GetPlayerAccountID( sellerid ) == seller_account_id ) {
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break;
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}
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if ( 0 <= sellerid < MAX_PLAYERS && Iter_Contains( Player, sellerid ) ) {
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GivePlayerCash( playerid, purchase_cost ), Beep( playerid );
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SendServerMessage( sellerid, "You have successfully %s IC to %s(%d) for "COL_GOLD"%s"COL_WHITE"!", number_format( purchase_amount, .decimals = 2 ), ReturnPlayerName( playerid ), playerid, cash_format( purchase_cost ) );
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} else {
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mysql_single_query( sprintf( "UPDATE `USERS` SET `CASH` = `CASH` + %d WHERE `ID` = %d", purchase_cost, seller_account_id ) );
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}
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// log the purchase
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mysql_format( dbHandle, szBigString, sizeof( szBigString ), "INSERT INTO IC_MARKET_LOG (SELLER_ID, BUYER_ID, ASK_RATE, IC_AMOUNT) VALUES (%d, %d, %d, %f)", seller_account_id, GetPlayerAccountID( playerid ), ask_price, purchase_amount );
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mysql_single_query( szBigString );
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// credit the buyer
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GivePlayerCash( playerid, -purchase_cost );
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GivePlayerIrresistibleCoins( playerid, purchase_amount );
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SendServerMessage( playerid, "You have successfully purchased %s IC (rate %s each) for %s.", number_format( purchase_amount, .decimals = 2 ), cash_format( ask_price ), cash_format( purchase_cost ) );
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return 1;
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}
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/* ** Functions ** */
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/* ** Functions ** */
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stock ShowPlayerCoinSellOrders( playerid ) {
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mysql_tquery( dbHandle, "SELECT IC_SELL_ORDERS.*,USERS.NAME FROM IC_SELL_ORDERS INNER JOIN USERS ON USERS.ID = IC_SELL_ORDERS.USER_ID ORDER BY ASK_PRICE ASC", "PlayerMarket_OnShowSellOrders", "d", playerid );
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return 1;
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}
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static stock PlayerMarket_ShowSellOrder( playerid, sellorderid ) {
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mysql_tquery( dbHandle, sprintf( "SELECT * FROM `IC_SELL_ORDERS` WHERE `ID` = %d", sellorderid ), "PlayerMarket_OnShowSellOrder", "dd", playerid, sellorderid );
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return 1;
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}
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/* ** Migrations ** */
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/* ** Migrations ** */
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/*
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/*
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CREATE TABLE IF NOT EXISTS IC_SELL_ORDERS (
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CREATE TABLE IF NOT EXISTS IC_SELL_ORDERS (
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USER_ID int(11) PRIMARY KEY,
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`ID` int(11) AUTO_INCREMENT PRIMARY KEY,
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ASK_PRICE int(11),
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`USER_ID` int(11),
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TOTAL_IC float,
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`ASK_PRICE` int(11),
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LISTING_DATE TIMESTAMP default CURRENT_TIMESTAMP,
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`AVAILABLE_IC` float,
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UNIQUE (USER_ID),
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`TOTAL_IC` float,
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FOREIGN KEY (USER_ID) REFERENCES USERS (ID) ON DELETE CASCADE
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`LISTING_DATE` TIMESTAMP default CURRENT_TIMESTAMP
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);
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);
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CREATE TABLE IF NOT EXISTS IC_MARKET_LOG (
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CREATE TABLE IF NOT EXISTS IC_MARKET_LOG (
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