UpdateGlobalVar

This transaction is used to update the global variable settings.

Name	Type	Required	Description
type	String	yes	The value is "UpdateGlovalVar "
fromChainId	ChainId	yes	The layer3 chain id
subAccountId	SubAccountId	yes	The subaccount id
parameter	Parameter	yes	Different operation has different variable
seriaId	u64	yes	The serial id

There are 5 parameters, different operations correspond to different parameters:

feeAccount

Modify the collect-fee account.

Name	Type	Required	Description
feeAccount	AccountId	yes	The fee account id

For example:

{
  "type": "UpdateGlobalVar",
  "fromChainId": 1,
  "subAccountId": 1,
  "parameter": {
    "feeAccount": {
      "accountId": 10
    }
  },
  "serialId": 100
}

insuranceFundAccount

Modify the insurance fund account

Name	Type	Required	Description
accountId	AccountId	yes	The account id of insuranceFundAccount

For Example:

{
  "type": "UpdateGlobalVar",
  "fromChainId": 1,
  "subAccountId": 1,
  "parameter": {
    "insuranceFundAccount": {
      "accountId": 9
    }
  },
  "serialId": 100
}

marginInfo

Modify the margin info in the specified index.

Name	Type	Required	Description
marginId	MarginId	yes	The margin id
tokenId	TokenId	yes	The Token id
ratio	u8	yes	the ratio, 100 means 1.0%

For example

{
  "type": "UpdateGlobalVar",
  "fromChainId": 1,
  "subAccountId": 1,
  "parameter": {
    "marginInfo": {
      "marginId": 1,
      "tokenId": 9,
      "ratio": 0
    }
  },
  "serialId": 100
}

contractInfo

Modify the info of every perpetual contract pair.

Name	Type	Required	Description
pairId	PairId	yes	The pair id
symbol	String	yes	The symbol of the contract
initialMarginRate	u16	yes	The initial margin rate of the contract, 100 means 0.1%
maintenanceMarginRate	u16	yes	The maintenance margin rate, 100 means 0.1%

{
  "type": "UpdateGlobalVar",
  "fromChainId": 1,
  "subAccountId": 1,
  "parameter": {
    "contractInfo": {
      "pairId": 2,
      "symbol": "BTCUSDC",
      "initialMarginRate": 6,
      "maintenanceMarginRate": 8
    }
  },
  "serialId": 100
}

fundingInfos

Update the funding rates to accumulated funding rates of the Global Vars for all position(contract pair) in this period

Name	Type	Required	Description
infos	array	yes	funding info list
> pairId	PairId	yes	The pair id
> price	BigUint	yes	the mark price of the trade pair
> fundingRate	i16	yes	the fee funding rate, the actual result needs to be divided by 10^6

For example:

{
  "type": "UpdateGlobalVar",
  "fromChainId": 1,
  "subAccountId": 1,
  "parameter": {
    "fundingInfos": {
      "infos": [
        {
          "pairId": 0,
          "price": "1000000000000000000",
          "fundingRate": 32767
        },
        {
          "pairId": 1,
          "price": "1000000000000000",
          "fundingRate": 0
        }
      ]
    }
  },
  "serialId": 100
}