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encoders.go
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package ibapi
type realTimeBarsEncoder struct {
serverVersion int
version int
requestId int
contract Contract
whatToShow string
useRth bool
}
func (e *realTimeBarsEncoder) encode() string {
message := messageBuilder{}
message.addInt(requestRealTimeBars)
message.addInt(e.version)
message.addInt(e.requestId)
message.addInt(e.contract.ContractId)
message.addString(e.contract.Symbol)
message.addString(e.contract.SecurityType)
message.addString(e.contract.LastTradeDateOrContractMonth)
message.addFloat64(e.contract.Strike)
message.addString(e.contract.Right)
message.addString(e.contract.Multiplier)
message.addString(e.contract.Exchange)
message.addString(e.contract.PrimaryExchange)
message.addString(e.contract.Currency)
message.addString(e.contract.LocalSymbol)
message.addString(e.contract.TradingClass)
message.addInt(5) // required bar size
message.addString(e.whatToShow)
message.addBool(e.useRth)
if e.serverVersion >= minServerVersionLinking {
// realtime bar options
message.addString("")
}
return message.Encode()
}
type tickByTickEncoder struct {
serverVersion int
version int
requestId int
contract Contract
tickType string
numberOfTicks int
ignoreSize bool
}
func (e *tickByTickEncoder) encode() string {
message := messageBuilder{}
message.addInt(requestTickByTickData)
message.addInt(e.requestId)
message.addInt(e.contract.ContractId)
message.addString(e.contract.Symbol)
message.addString(e.contract.SecurityType)
message.addString(e.contract.LastTradeDateOrContractMonth)
message.addFloat64(e.contract.Strike)
message.addString(e.contract.Right)
message.addString(e.contract.Multiplier)
message.addString(e.contract.Exchange)
message.addString(e.contract.PrimaryExchange)
message.addString(e.contract.Currency)
message.addString(e.contract.LocalSymbol)
message.addString(e.contract.TradingClass)
message.addString(e.tickType)
if e.serverVersion > minServerVerTickByTickIgnoreSize {
message.addInt(e.numberOfTicks)
message.addBool(e.ignoreSize)
}
return message.Encode()
}
type contractDetailsEncoder struct {
serverVersion int
version int
requestId int
contract Contract
}
func (e *contractDetailsEncoder) encode() string {
message := messageBuilder{}
message.addInt(requestContractData)
message.addInt(e.version)
message.addInt(e.requestId)
message.addInt(e.contract.ContractId)
message.addString(e.contract.Symbol)
message.addString(e.contract.SecurityType)
message.addString(e.contract.LastTradeDateOrContractMonth)
message.addFloat64(e.contract.Strike)
message.addString(e.contract.Right)
message.addString(e.contract.Multiplier)
message.addString(e.contract.Exchange)
message.addString(e.contract.PrimaryExchange)
message.addString(e.contract.Currency)
message.addString(e.contract.LocalSymbol)
message.addString(e.contract.TradingClass)
message.addBool(e.contract.IncludeExpired)
message.addString(e.contract.SecurityIdType)
message.addString(e.contract.SecurityId)
return message.Encode()
}