IBrokers - 我如何向IBrokers发送100000 :::。placeOrder？

问题描述

我正在使用IBrokers在IDEALPRO上打开AUD-USD的订单

I'm using IBrokers to open orders for AUD-USD on IDEALPRO

这里的语法很适合我卖出90,000：

Here is syntax which works well for me to SELL 90,000:

# myscript.r

.libPaths("rpackages")
library(IBrokers)
myconid = 3
twsobj  = twsConnect(myconid)
myaud = twsCurrency("AUD",currency="USD",exch="IDEALPRO",primary="",strike="0.0",right="",local="",multiplier="",include_expired="0",conId=myconid)
Sys.sleep(2)
myorderid = as.integer(reqIds(twsobj))
print(myorderid)
Sys.sleep(2)
myorderid = as.integer(difftime(Sys.time(), "2014-10-30", units = "secs"))
Sys.sleep(2)
IBrokers:::.placeOrder(twsobj, myaud, twsOrder(myorderid,"SELL", 90000, "MKT"))
Sys.sleep(4)
twsDisconnect(twsobj)

接下来，我尝试通过此API调用下订单100,000：

Next, I try to place an order for 100,000 with this API call:

IBrokers:::.placeOrder(twsobj, myaud, twsOrder(myorderid,"SELL", 100000, "MKT"))

订单失败。

我在日志中看到这一点：

I see this in my log:

java.lang.NumberFormatException: For input string: "1e+05"

A简单的解决方法是为50000下2个订单。

A simple workaround is to place 2 orders for 50000.

我正在寻找其他解决方法的线索。

I'm looking for clues on other workarounds.

我怀疑这个错误是IBrokers正在向API发送1e + 05而不是100000。

I suspect that the bug is that IBrokers is sending 1e+05 to the API instead of 100000.

推荐答案

# myscript.r

.libPaths("rpackages")
library(IBrokers)
myconid = 3
twsobj  = twsConnect(myconid)
myaud = twsCurrency("AUD",currency="USD",exch="IDEALPRO",primary="",strike="0.0",right="",local="",multiplier="",include_expired="0",conId=myconid)
Sys.sleep(2)
myorderid = as.integer(reqIds(twsobj))
print(myorderid)
Sys.sleep(2)
myorderid = as.integer(difftime(Sys.time(), "2014-10-30", units = "secs"))
Sys.sleep(2)

# my workaround:
options("scipen"=4)

IBrokers:::.placeOrder(twsobj, myaud, twsOrder(myorderid,"SELL", 190000, "MKT"))
Sys.sleep(4)
twsDisconnect(twsobj)

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