exports.newTradingSystem = function newTradingSystem(bot, logger) { const MODULE_NAME = 'Trading System' const FULL_LOG = true let thisObject = { setChart: setChart, evalConditions: evalConditions, evalFormulas: evalFormulas, checkTriggerOn: checkTriggerOn, checkTriggerOff: checkTriggerOff, checkTakePosition: checkTakePosition, checkStopPhases: checkStopPhases, calculateStopLoss: calculateStopLoss, checkTakeProfitPhases: checkTakeProfitPhases, calculateTakeProfit: calculateTakeProfit, checkStopLossOrTakeProfitWasHit: checkStopLossOrTakeProfitWasHit, getPositionSize: getPositionSize, getPositionRate: getPositionRate, initialize: initialize, finalize: finalize } let chart let tradingSystem let tradingEngine let conditions = new Map() let conditionsValues = [] let conditionsErrors = [] let formulas = new Map() let formulasValues = [] let formulasErrors = [] return thisObject function initialize() { tradingSystem = bot.TRADING_SYSTEM tradingEngine = bot.TRADING_ENGINE } function finalize() { chart = undefined tradingSystem = undefined tradingEngine = undefined conditions = undefined conditionsValues = undefined conditionsErrors = undefined formulas = undefined formulasValues = undefined formulasErrors = undefined } function setChart(pChart) { chart = pChart // We need chat to be a local object accessible from conditions and formulas. } function evalConditions() { evalNode(bot.TRADING_SYSTEM, 'Conditions') } function evalFormulas() { evalNode(bot.TRADING_SYSTEM, 'Formulas') } function evalNode(node, evaluating) { if (node === undefined) { return } /* Here we check if there is a codition to be evaluated */ if (node.type === 'Condition' && evaluating === 'Conditions') { if (node.code !== undefined) { /* We will eval this condition */ evalCondition(node) } } /* Here we check if there is a formula to be evaluated */ if (node.type === 'Formula' && evaluating === 'Formulas') { if (node.code !== undefined) { /* We will eval this condition */ evalFormula(node) } } /* Now we go down through all this node children */ let nodeDefinition = bot.APP_SCHEMA_MAP.get(node.type) if (nodeDefinition === undefined) { return } if (nodeDefinition.properties !== undefined) { let previousPropertyName // Since there are cases where there are many properties with the same name,because they can hold nodes of different types but only one at the time, we have to avoind counting each property of those as individual children. for (let i = 0; i < nodeDefinition.properties.length; i++) { let property = nodeDefinition.properties[i] switch (property.type) { case 'node': { if (property.name !== previousPropertyName) { if (node[property.name] !== undefined) { evalNode(node[property.name]) } previousPropertyName = property.name } break } case 'array': { if (node[property.name] !== undefined) { let nodePropertyArray = node[property.name] object[property.name] = [] for (let m = 0; m < nodePropertyArray.length; m++) { evalNode(nodePropertyArray[m]) } } break } } } } } function evalCondition(node) { let value let error try { if (FULL_LOG === true) { logger.write(MODULE_NAME, '[INFO] evalCondition -> code = ' + node.code) } value = eval(node.code) } catch (err) { /* One possible error is that the conditions references a .previous that is undefined. This will not be considered an error. */ value = false if (node.code.indexOf('previous') > -1 && err.message.indexOf('of undefined') > -1 || node.code.indexOf('chart') > -1 && err.message.indexOf('of undefined') > -1 ) { /* We are not going to set an error for the casess we are using previous and the error is that the indicator is undefined. */ } else { error = err.message node.error = error } } conditions.set(node.id, value) if (value === true) { conditionsValues.push(1) } else { conditionsValues.push(0) } formulasErrors.push(error) if (FULL_LOG === true) { logger.write(MODULE_NAME, '[INFO] evalCondition -> value = ' + value) } if (FULL_LOG === true) { logger.write(MODULE_NAME, '[INFO] evalCondition -> error = ' + error) } } function evalFormula(node) { let value let error try { if (FULL_LOG === true) { logger.write(MODULE_NAME, '[INFO] evalFormula -> code = ' + node.code) } value = eval(node.code) } catch (err) { /* One possible error is that the formula references a .previous that is undefined. This will not be considered an error. */ value = false if (node.code.indexOf('previous') > -1 && err.message.indexOf('of undefined') > -1 || node.code.indexOf('chart') > -1 && err.message.indexOf('of undefined') > -1 ) { /* We are not going to set an error for the casess we are using previous and the error is that the indicator is undefined. */ } else { error = err.message node.error = error } } formulas.set(node.id, value) if (value === true) { formulaValues.push(1) } else { formulaValues.push(0) } formulasErrors.push(error) if (FULL_LOG === true) { logger.write(MODULE_NAME, '[INFO] evalFormula -> value = ' + value) } if (FULL_LOG === true) { logger.write(MODULE_NAME, '[INFO] evalFormula -> error = ' + error) } } function checkTriggerOn() { /* Trigger On Conditions */ if ( tradingEngine.current.strategy.stageType.value === 'No Stage' && tradingEngine.current.strategy.index.value === -1 ) { /* Here we need to pick a strategy, or if there is not suitable strategy for the current market conditions, we pass until the next period. To pick a new strategy we will evaluate what we call the trigger on. Once we enter into one strategy, we will ignore market conditions for others. However there is also a strategy trigger off which can be hit before taking a position. If hit, we would be outside a strategy again and looking for the condition to enter all over again. */ for (let j = 0; j < tradingSystem.strategies.length; j++) { if ( // If a strategy was already picked during the loop, we exit it tradingEngine.current.strategy.stageType.value !== 'No Stage' || tradingEngine.current.strategy.index.value !== -1 ) { continue } let strategy = tradingSystem.strategies[j] let triggerStage = strategy.triggerStage if (triggerStage !== undefined) { if (triggerStage.triggerOn !== undefined) { for (let k = 0; k < triggerStage.triggerOn.situations.length; k++) { let situation = triggerStage.triggerOn.situations[k] let passed if (situation.conditions.length > 0) { passed = true } for (let m = 0; m < situation.conditions.length; m++) { let condition = situation.conditions[m] let value = false if (conditions.get(condition.id) !== undefined) { value = conditions.get(condition.id).value } if (value === false) { passed = false } } if (passed) { tradingEngine.current.strategy.stageType.value = 'Trigger Stage' checkAnnouncements(triggerStage) tradingEngine.current.strategy.index.value = j tradingEngine.current.strategy.begin.value = tradingEngine.current.candle.begin.value tradingEngine.current.strategy.beginRate.value = tradingEngine.current.candle.min.value tradingEngine.current.strategy.endRate.value = tradingEngine.current.candle.min.value // In case the strategy does not get exited tradingEngine.current.strategy.situationName.value = situation.name tradingEngine.current.strategy.strategyName.value = strategy.name tradingEngine.current.distanceToEvent.triggerOn.value = 1 checkAnnouncements(triggerStage.triggerOn) saveAsLastTriggerOnSnapshot = true if (FULL_LOG === true) { logger.write(MODULE_NAME, '[INFO] runSimulation -> loop -> Entering into Strategy: ' + strategy.name) } break } } } } } } } function checkTriggerOff() { /* Trigger Off Condition */ if (tradingEngine.current.strategy.stageType.value === 'Trigger Stage') { let strategy = tradingSystem.strategies[tradingEngine.current.strategy.index.value] let triggerStage = strategy.triggerStage if (triggerStage !== undefined) { if (triggerStage.triggerOff !== undefined) { for (let k = 0; k < triggerStage.triggerOff.situations.length; k++) { let situation = triggerStage.triggerOff.situations[k] let passed if (situation.conditions.length > 0) { passed = true } for (let m = 0; m < situation.conditions.length; m++) { let condition = situation.conditions[m] let value = false if (conditions.get(condition.id) !== undefined) { value = conditions.get(condition.id).value } if (value === false) { passed = false } } if (passed) { tradingEngine.current.strategy.end.value = tradingEngine.current.candle.end.value tradingEngine.current.strategy.endRate.value = tradingEngine.current.candle.min.value tradingEngine.current.strategy.status.value = 'Closed' tradingEngine.current.strategy.stageType.value = 'No Stage' tradingEngine.current.strategy.index.value = -1 tradingEngine.current.distanceToEvent.triggerOff.value = 1 checkAnnouncements(triggerStage.triggerOff) if (FULL_LOG === true) { logger.write(MODULE_NAME, '[INFO] runSimulation -> loop -> Exiting Strategy: ' + strategy.name) } break } } } } } } function checkTakePosition() { /* Take Position Condition */ if (tradingEngine.current.strategy.stageType.value === 'Trigger Stage') { let strategy = tradingSystem.strategies[tradingEngine.current.strategy.index.value] let triggerStage = strategy.triggerStage if (triggerStage !== undefined) { if (triggerStage.takePosition !== undefined) { for (let k = 0; k < triggerStage.takePosition.situations.length; k++) { let situation = triggerStage.takePosition.situations[k] let passed if (situation.conditions.length > 0) { passed = true } for (let m = 0; m < situation.conditions.length; m++) { let condition = situation.conditions[m] let value = false if (conditions.get(condition.id) !== undefined) { value = conditions.get(condition.id).value } if (value === false) { passed = false } } if (passed) { tradingEngine.current.strategy.stageType.value = 'Open Stage' checkAnnouncements(strategy.openStage) tradingEngine.current.position.stopLossStage.value = 'Open Stage' tradingEngine.current.position.takeProfitStage.value = 'Open Stage' tradingEngine.current.position.stopLossPhase.value = 0 tradingEngine.current.position.takeProfitPhase.value = 0 tradingEngine.current.position.situationName.value = situation.name checkAnnouncements(triggerStage.takePosition) saveAsLastTakePositionSnapshot = true if (FULL_LOG === true) { logger.write(MODULE_NAME, '[INFO] runSimulation -> loop -> Conditions at the Take Position Event were met.') } return true } } } } } return false } function checkStopPhases() { let strategy = tradingSystem.strategies[tradingEngine.current.strategy.index.value] let openStage = strategy.openStage let manageStage = strategy.manageStage let parentNode let j = tradingEngine.current.strategy.index.value let p if (tradingEngine.current.position.stopLoss.stopLossStage.value === 'Open Stage' && openStage !== undefined) { if (openStage.initialDefinition !== undefined) { if (openStage.initialDefinition.stopLoss !== undefined) { parentNode = openStage.initialDefinition p = tradingEngine.current.position.stopLoss.stopLossPhase.value } } } if (tradingEngine.current.position.stopLoss.stopLossStage.value === 'Manage Stage' && manageStage !== undefined) { if (manageStage.stopLoss !== undefined) { parentNode = manageStage p = tradingEngine.current.position.stopLoss.stopLossPhase.value - 1 } } if (parentNode !== undefined) { let phase = parentNode.stopLoss.phases[p] /* Check the next Phase Event. */ let nextPhaseEvent = phase.nextPhaseEvent if (nextPhaseEvent !== undefined) { for (let k = 0; k < nextPhaseEvent.situations.length; k++) { let situation = nextPhaseEvent.situations[k] let passed if (situation.conditions.length > 0) { passed = true } for (let m = 0; m < situation.conditions.length; m++) { let condition = situation.conditions[m] let value = false if (conditions.get(condition.id) !== undefined) { value = conditions.get(condition.id).value } if (value === false) { passed = false } } if (passed) { tradingEngine.current.position.stopLoss.stopLossPhase.value++ tradingEngine.current.position.stopLoss.stopLossStage.value = 'Manage Stage' if (tradingEngine.current.position.takeProfit.takeProfitPhase.value > 0) { tradingEngine.current.strategy.stageType.value = 'Manage Stage' checkAnnouncements(manageStage, 'Take Profit') } checkAnnouncements(nextPhaseEvent) return } } } /* Check the Move to Phase Events. */ for (let n = 0; n < phase.moveToPhaseEvents.length; n++) { let moveToPhaseEvent = phase.moveToPhaseEvents[n] if (moveToPhaseEvent !== undefined) { for (let k = 0; k < moveToPhaseEvent.situations.length; k++) { let situation = moveToPhaseEvent.situations[k] let passed if (situation.conditions.length > 0) { passed = true } for (let m = 0; m < situation.conditions.length; m++) { let condition = situation.conditions[m] let value = false if (conditions.get(condition.id) !== undefined) { value = conditions.get(condition.id).value } if (value === false) { passed = false } } if (passed) { let moveToPhase = moveToPhaseEvent.referenceParent if (moveToPhase !== undefined) { for (let q = 0; q < parentNode.stopLoss.phases.length; q++) { if (parentNode.stopLoss.phases[q].id === moveToPhase.id) { tradingEngine.current.position.stopLoss.stopLossPhase.value = q + 1 } } } else { moveToPhaseEvent.error = 'This Node needs to reference a Phase.' continue } tradingEngine.current.position.stopLoss.stopLossStage.value = 'Manage Stage' if (tradingEngine.current.position.takeProfit.takeProfitPhase.value > 0) { tradingEngine.current.strategy.stageType.value = 'Manage Stage' checkAnnouncements(manageStage, 'Take Profit') } checkAnnouncements(moveToPhaseEvent) return } } } } } } function calculateStopLoss() { let strategy = tradingSystem.strategies[tradingEngine.current.strategy.index.value] let openStage = strategy.openStage let manageStage = strategy.manageStage let phase let key if (tradingEngine.current.position.stopLoss.stopLossStage.value === 'Open Stage' && openStage !== undefined) { if (openStage.initialDefinition !== undefined) { if (openStage.initialDefinition.stopLoss !== undefined) { phase = openStage.initialDefinition.stopLoss.phases[tradingEngine.current.position.stopLoss.stopLossPhase.value] key = tradingEngine.current.strategy.index.value + '-' + 'openStage' + '-' + 'initialDefinition' + '-' + 'stopLoss' + '-' + (tradingEngine.current.position.stopLoss.stopLossPhase.value) } } } if (tradingEngine.current.position.stopLoss.stopLossStage.value === 'Manage Stage' && manageStage !== undefined) { if (manageStage.stopLoss !== undefined) { phase = manageStage.stopLoss.phases[tradingEngine.current.position.stopLoss.stopLossPhase.value - 1] key = tradingEngine.current.strategy.index.value + '-' + 'manageStage' + '-' + 'stopLoss' + '-' + (tradingEngine.current.position.stopLoss.stopLossPhase.value - 1) } } if (phase !== undefined) { if (phase.formula !== undefined) { let previousValue = tradingEngine.current.position.stopLoss.value tradingEngine.current.position.stopLoss.value = formulas.get(key) if (tradingEngine.current.position.stopLoss.value !== previousValue) { checkAnnouncements(phase, tradingEngine.current.position.stopLoss.value) } } } } function checkTakeProfitPhases() { let strategy = tradingSystem.strategies[tradingEngine.current.strategy.index.value] let openStage = strategy.openStage let manageStage = strategy.manageStage let parentNode let j = tradingEngine.current.strategy.index.value let p if (tradingEngine.current.position.takeProfit.takeProfitStage.value === 'Open Stage' && openStage !== undefined) { if (openStage.initialDefinition !== undefined) { if (openStage.initialDefinition.takeProfit !== undefined) { parentNode = openStage.initialDefinition p = tradingEngine.current.position.takeProfit.takeProfitPhase.value } } } if (tradingEngine.current.position.takeProfit.takeProfitStage.value === 'Manage Stage' && manageStage !== undefined) { if (manageStage.takeProfit !== undefined) { parentNode = manageStage p = tradingEngine.current.position.takeProfit.takeProfitPhase.value - 1 } } if (parentNode !== undefined) { let phase = parentNode.takeProfit.phases[p] if (phase === undefined) { return } // trying to jump to a phase that does not exists. /* Check the next Phase Event. */ let nextPhaseEvent = phase.nextPhaseEvent if (nextPhaseEvent !== undefined) { for (let k = 0; k < nextPhaseEvent.situations.length; k++) { let situation = nextPhaseEvent.situations[k] let passed if (situation.conditions.length > 0) { passed = true } for (let m = 0; m < situation.conditions.length; m++) { let condition = situation.conditions[m] let value = false if (conditions.get(condition.id) !== undefined) { value = conditions.get(condition.id).value } if (value === false) { passed = false } } if (passed) { tradingEngine.current.position.takeProfit.takeProfitPhase.value++ tradingEngine.current.position.takeProfit.takeProfitStage.value = 'Manage Stage' if (tradingEngine.current.position.stopLoss.stopLossPhase.value > 0) { tradingEngine.current.strategy.stageType.value = 'Manage Stage' checkAnnouncements(manageStage, 'Stop') } checkAnnouncements(nextPhaseEvent) return } } } /* Check the Move to Phase Events. */ for (let n = 0; n < phase.moveToPhaseEvents.length; n++) { let moveToPhaseEvent = phase.moveToPhaseEvents[n] if (moveToPhaseEvent !== undefined) { for (let k = 0; k < moveToPhaseEvent.situations.length; k++) { let situation = moveToPhaseEvent.situations[k] let passed if (situation.conditions.length > 0) { passed = true } for (let m = 0; m < situation.conditions.length; m++) { let condition = situation.conditions[m] let value = false if (conditions.get(condition.id) !== undefined) { value = conditions.get(condition.id).value } if (value === false) { passed = false } } if (passed) { let moveToPhase = moveToPhaseEvent.referenceParent if (moveToPhase !== undefined) { for (let q = 0; q < parentNode.takeProfit.phases.length; q++) { if (parentNode.takeProfit.phases[q].id === moveToPhase.id) { tradingEngine.current.position.takeProfit.takeProfitPhase.value = q + 1 } } } else { moveToPhaseEvent.error = 'This Node needs to reference a Phase.' continue } tradingEngine.current.position.takeProfit.takeProfitStage.value = 'Manage Stage' if (tradingEngine.current.position.stopLoss.stopLossPhase.value > 0) { tradingEngine.current.strategy.stageType.value = 'Manage Stage' checkAnnouncements(manageStage, 'Stop') } checkAnnouncements(moveToPhaseEvent) return } } } } } } function calculateTakeProfit() { let strategy = tradingSystem.strategies[tradingEngine.current.strategy.index.value] let openStage = strategy.openStage let manageStage = strategy.manageStage let phase let key if (tradingEngine.current.position.takeProfit.takeProfitStage.value === 'Open Stage' && openStage !== undefined) { if (openStage.initialDefinition !== undefined) { if (openStage.initialDefinition.takeProfit !== undefined) { phase = openStage.initialDefinition.takeProfit.phases[tradingEngine.current.position.takeProfit.takeProfitPhase.value] key = tradingEngine.current.strategy.index.value + '-' + 'openStage' + '-' + 'initialDefinition' + '-' + 'takeProfit' + '-' + (tradingEngine.current.position.takeProfit.takeProfitPhase.value) } } } if (tradingEngine.current.position.takeProfit.takeProfitStage.value === 'Manage Stage' && manageStage !== undefined) { if (manageStage.takeProfit !== undefined) { phase = manageStage.takeProfit.phases[tradingEngine.current.position.takeProfit.takeProfitPhase.value - 1] key = tradingEngine.current.strategy.index.value + '-' + 'manageStage' + '-' + 'takeProfit' + '-' + (tradingEngine.current.position.takeProfit.takeProfitPhase.value - 1) } } if (phase !== undefined) { if (phase.formula !== undefined) { let previousValue = tradingEngine.current.position.stopLoss.value tradingEngine.current.position.takeProfit.value = formulas.get(key) if (tradingEngine.current.position.takeProfit.value !== previousValue) { checkAnnouncements(phase, tradingEngine.current.position.takeProfit.value) } } } } function checkStopLossOrTakeProfitWasHit() { { let strategy = tradingSystem.strategies[tradingEngine.current.strategy.index.value] /* Checking what happened since the last execution. We need to know if the Stop Loss or our Take Profit were hit. */ /* Stop Loss condition: Here we verify if the Stop Loss was hitted or not. */ if ( (sessionParameters.sessionBaseAsset.name === bot.market.marketBaseAsset && tradingEngine.current.candle.max.value >= tradingEngine.current.position.stopLoss.value) || (sessionParameters.sessionBaseAsset.name !== bot.market.marketBaseAsset && tradingEngine.current.candle.min.value <= tradingEngine.current.position.stopLoss.value) ) { if (FULL_LOG === true) { logger.write(MODULE_NAME, '[INFO] runSimulation -> loop -> Stop Loss was hit.') } /* Hit Point Validation This prevents misscalculations when a formula places the stop loss in this case way beyond the market price. If we take the stop loss value at those situation would be a huge distortion of facts. */ if (sessionParameters.sessionBaseAsset.name === bot.market.marketBaseAsset) { if (tradingEngine.current.position.stopLoss.value < tradingEngine.current.candle.min.value) { tradingEngine.current.position.stopLoss.value = tradingEngine.current.candle.min.value } } else { if (tradingEngine.current.position.stopLoss.value > tradingEngine.current.candle.max.value) { tradingEngine.current.position.stopLoss.value = tradingEngine.current.candle.max.value } } let slippedStopLoss = tradingEngine.current.position.stopLoss.value /* Apply the Slippage */ let slippageAmount = slippedStopLoss * bot.VALUES_TO_USE.slippage.stopLoss / 100 if (sessionParameters.sessionBaseAsset.name === bot.market.marketBaseAsset) { slippedStopLoss = slippedStopLoss + slippageAmount } else { slippedStopLoss = slippedStopLoss - slippageAmount } tradingEngine.current.position.endRate.value = slippedStopLoss tradingEngine.current.strategy.stageType.value = 'Close Stage' checkAnnouncements(strategy.closeStage, 'Stop') tradingEngine.current.position.stopLoss.stopLossStage.value = 'No Stage' tradingEngine.current.position.takeProfit.takeProfitStage.value = 'No Stage' tradingEngine.current.position.end.value = tradingEngine.current.candle.end.value tradingEngine.current.position.status.value = 1 tradingEngine.current.position.exitType.value = 1 return true } /* Take Profit condition: Here we verify if the Take Profit was hit or not. */ if ( (sessionParameters.sessionBaseAsset.name === bot.market.marketBaseAsset && tradingEngine.current.candle.min.value <= tradingEngine.current.position.takeProfit.value) || (sessionParameters.sessionBaseAsset.name !== bot.market.marketBaseAsset && tradingEngine.current.candle.max.value >= tradingEngine.current.position.takeProfit.value) ) { if (FULL_LOG === true) { logger.write(MODULE_NAME, '[INFO] runSimulation -> loop -> Take Profit was hit.') } /* Hit Point Validation: This prevents misscalculations when a formula places the take profit in this case way beyond the market price. If we take the stop loss value at those situation would be a huge distortion of facts. */ if (sessionParameters.sessionBaseAsset.name === bot.market.marketBaseAsset) { if (tradingEngine.current.position.takeProfit.value > tradingEngine.current.candle.max.value) { tradingEngine.current.position.takeProfit.value = tradingEngine.current.candle.max.value } } else { if (tradingEngine.current.position.takeProfit.value < tradingEngine.current.candle.min.value) { tradingEngine.current.position.takeProfit.value = tradingEngine.current.candle.min.value } } let slippedTakeProfit = tradingEngine.current.position.takeProfit.value /* Apply the Slippage */ let slippageAmount = slippedTakeProfit * bot.VALUES_TO_USE.slippage.takeProfit / 100 if (sessionParameters.sessionBaseAsset.name === bot.market.marketBaseAsset) { slippedTakeProfit = slippedTakeProfit + slippageAmount } else { slippedTakeProfit = slippedTakeProfit - slippageAmount } tradingEngine.current.position.endRate.value = slippedTakeProfit tradingEngine.current.strategy.stageType.value = 'Close Stage' checkAnnouncements(strategy.closeStage, 'Take Profit') tradingEngine.current.position.stopLoss.stopLossStage.value = 'No Stage' tradingEngine.current.position.takeProfit.takeProfitStage.value = 'No Stage' tradingEngine.current.position.end.value = tradingEngine.current.candle.end.value tradingEngine.current.position.status.value = 1 tradingEngine.current.position.exitType.value = 2 addToSnapshots = true return true } } return false } function getPositionSize() { let balance if (sessionParameters.sessionBaseAsset.name === bot.market.marketBaseAsset) { balance = tradingEngine.current.balance.baseAsset.value } else { balance = tradingEngine.current.balance.quotedAsset.value } const DEFAULT_VALUE = balance let strategy = tradingSystem.strategies[tradingEngine.current.strategy.index.value] if (strategy.openStage === undefined) return { DEFAULT_VALUE } if (strategy.openStage.initialDefinition === undefined) return { DEFAULT_VALUE } if (strategy.openStage.initialDefinition.positionSize === undefined) return { DEFAULT_VALUE } if (strategy.openStage.initialDefinition.positionSize.formula === undefined) return { DEFAULT_VALUE } let value = formulas.get(strategy.openStage.initialDefinition.positionSize.formula.id) if (value === undefined) return { DEFAULT_VALUE } return value } function getPositionRate() { const DEFAULT_VALUE = tradingEngine.current.candle.close.value let strategy = tradingSystem.strategies[tradingEngine.current.strategy.index.value] if (strategy.openStage === undefined) return { DEFAULT_VALUE } if (strategy.openStage.initialDefinition === undefined) return { DEFAULT_VALUE } if (strategy.openStage.initialDefinition.positionRate === undefined) return { DEFAULT_VALUE } if (strategy.openStage.initialDefinition.positionRate.formula === undefined) return { DEFAULT_VALUE } let value = formulas.get(strategy.openStage.initialDefinition.positionRate.formula.id) if (value === undefined) return { DEFAULT_VALUE } return value } }