# Backend Types
TradeContainerBackend
```typescript
type TradeContainerBackend {
trade: TradeBackend;
tradeInfo: TradeInfoBackend;
initialAccFees: TradeInitialAccFeesBackend;
liquidationParams: LiquidationParamsBackend;
}
```
TradeBackend
```typescript
type TradeBackend {
user: string;
index: string;
pairIndex: string;
leverage: string; // 1e3
long: boolean;
isOpen: boolean;
collateralIndex: string;
tradeType: string;
collateralAmount: string; // collat decimals
openPrice: string; // 1e10
tp: string; // 1e10
sl: string; // 1e10
}
```
TradeInfoBackend
```typescript
type TradeInfoBackend {
createdBlock: string;
tpLastUpdatedBlock: string;
slLastUpdatedBlock: string;
maxSlippageP: string; // 1e3
lastOiUpdateTs: number;
collateralPriceUsd: string; // 1e8
contractsVersion: string;
lastPosIncreaseBlock: string;
}
```
TradeInitialAccFeesBackend
```typescript
type TradeInitialAccFeesBackend {
accPairFee: string; // 1e10
accGroupFee: string; // 1e10
block: string;
}
```
LiquidationParamsBackend
```typescript
type LiquidationParamsBackend {
maxLiqSpreadP: string; // 1e12
startLiqThresholdP: string; // 1e12
endLiqThresholdP: string; // 1e12
startLeverage: string; // 1e3
endLeverage: string; // 1e3
}
```
TradingGroupBackend
```typescript
type TradingGroupBackend {
name: string;
minLeverage: string;
maxLeverage: string;
}
```
FeeBackend
```typescript
type FeeBackend {
totalPositionSizeFeeP: string; // 1e12
totalLiqCollateralFeeP: string; // 1e12
oraclePositionSizeFeeP: string; // 1e12
minPositionSizeUsd: string; // 1e3
}
```
PairDepthBackend
```typescript
type PairDepthBackend {
onePercentDepthAboveUsd: string;
onePercentDepthBelowUsd: string;
}
```
PairParamsBorrowingFeesBackend
```typescript
type PairParamsBorrowingFeesBackend {
pairs: PairBorrowingFeesBackendPair[];
groups: PairBorrowingFeesBackendGroup[];
}
```
PairBackend
```typescript
type PairBackend {
from: string;
to: string;
spreadP: string; // 1e12
groupIndex: string;
feeIndex: string;
}
```
GlobalTradingVariablesBackend
```typescript
type GlobalTradingVariablesBackend {
lastRefreshed: string;
refreshId: number;
tradingState: number;
maxGainP: number;
marketOrdersTimeoutBlocks: number;
pairs: PairBackend[];
groups: TradingGroupBackend[];
fees: FeeBackend[];
pairInfos: PairInfosBackend;
collaterals: CollateralBackend[];
sssTokenBalance: string;
sssLegacyTokenBalance: string;
sssRewardTokens: string[];
vaultClosingFeeP: string;
maxNegativePnlOnOpenP: number;
blockConfirmations: number;
oiWindowsSettings: OiWindowsSettingsBackend;
oiWindows: OiWindowsBackend[];
feeTiers: FeeTiersBackend;
allTrades: TradeContainerBackend[];
currentBlock: number;
currentL1Block: number;
isForexOpen: boolean;
isStocksOpen: boolean;
isIndicesOpen: boolean;
isCommoditiesOpen: boolean;
liquidationParams: {
groups: LiquidationParamsBackend[];
pairs: LiquidationParamsBackend[];
};
}
```
PairInfosBackend
```typescript
type PairInfosBackend {
maxLeverages: number[];
pairDepths: PairDepthBackend[];
pairFactors: PairFactorBackend[];
}
```
TraderInfoBackend
```typescript
type TraderInfoBackend = {
lastDayUpdated: number;
trailingPoints: string;
}
```
UserTradingVariablesBackend
```typescript
type UserTradingVariablesBackend {
pendingMarketOrdersIds: number[];
pendingMarketOrders: number[];
feeTiers: TraderFeeTiersBackend;
collaterals: Array<{ balance: string; allowance: string; decimals: number }>;
}
```
PairOiBackend
```typescript
type PairOiBackend = {
oiLongUsd: string; // 1e18
oiShortUsd: string; // 1e18
}
```
OiWindowsBackend
```typescript
type OiWindowsBackend = {
[key: string]: PairOiBackend;
}
```
OiWindowsSettingsBackend
```typescript
type OiWindowsSettingsBackend = {
startTs: number;
windowsDuration: number;
windowsCount: number;
}
```
CollateralConfigBackend
```typescript
type CollateralConfigBackend = {
precision: string;
precisionDelta: string;
decimals: number;
}
```
FeeTiersBackend
```typescript
type FeeTiersBackend = {
tiers: Array<{ feeMultiplier: string; pointsThreshold: string }>; // 1e3, 1
multipliers: string[]; // 1e3
currentDay: number;
}
```
TraderFeeTiersBackend
```typescript
type TraderFeeTiersBackend = {
traderInfo: TraderInfoBackend;
lastDayUpdatedPoints: string;
inboundPoints: string; // 1e18
outboundPoints: string; // 1e18
expiredPoints: string[]; // 1e18
}
```
PairFactorBackend
```typescript
type PairFactorBackend = {
cumulativeFactor: string; // 1e10
protectionCloseFactor: string; // 1e10
protectionCloseFactorBlocks: string;
}
```
OpenInterestBackend
```typescript
type OpenInterestBackend {
long: string; // 1e10
short: string; // 1e10
max: string; // 1e10
}
```
CollateralBackend
```typescript
type CollateralBackend {
collateralIndex: number;
collateral: string;
symbol: string;
isActive: boolean;
prices: TokenPrices;
collateralConfig: CollateralConfigBackend;
gToken: {
address: string;
currentBalanceCollateral: string;
maxBalanceCollateral: string;
marketCap: string;
};
borrowingFees: PairParamsBorrowingFeesBackend;
}
```
CollateralConfigBackend
```typescript
type CollateralConfigBackend = {
precision: string;
precisionDelta: string;
decimals: number;
}
```
PairBorrowingFeesBackendPair
```typescript
type PairBorrowingFeesBackendPair {
oi: OpenInterestBackend;
feePerBlock: string; // 1e10
accFeeLong: string; // 1e10
accFeeShort: string; // 1e10
accLastUpdatedBlock: string;
feeExponent: string;
groups: PairBorrowingFeesBackendPairGroup[];
}
```
PairBorrowingFeesBackendPairGroup
```typescript
type PairBorrowingFeesBackendPairGroup {
groupIndex: string;
block: string;
initialAccFeeLong: string; // 1e10
initialAccFeeShort: string; // 1e10
prevGroupAccFeeLong: string; // 1e10
prevGroupAccFeeShort: string; // 1e10
pairAccFeeLong: string; // 1e10
pairAccFeeShort: string; // 1e10
}
```
PairBorrowingFeesBackendGroup
```typescript
type PairBorrowingFeesBackendGroup {
oi: OpenInterestBackend;
feePerBlock: string; // 1e10
accFeeLong: string; // 1e10
accFeeShort: string; // 1e10
accLastUpdatedBlock: string;
feeExponent: string;
}
```
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