// NewOrderBookSummaryResource converts the provided query and summary into a json object
// that can be displayed to the end user.
func NewOrderBookSummaryResource(query db.OrderBookSummaryQuery, summary db.OrderBookSummaryRecord) (result OrderBookSummaryResource, err error) {
bt, err := assets.String(query.SellingType)
if err != nil {
return
}
ct, err := assets.String(query.BuyingType)
if err != nil {
return
}
result = OrderBookSummaryResource{
Bids: newPriceLevelResources(summary.Bids()),
Asks: newPriceLevelResources(summary.Bids()),
Selling: AssetResource{
AssetType: bt,
AssetCode: query.SellingCode,
AssetIssuer: query.SellingIssuer,
},
Buying: AssetResource{
AssetType: ct,
AssetCode: query.BuyingCode,
AssetIssuer: query.BuyingIssuer,
},
}
return
}
func (this *OrderBookSummary) Populate(ctx context.Context, query *db.OrderBookSummaryQuery, row db.OrderBookSummaryRecord) error {
st, err := assets.String(query.SellingType)
if err != nil {
return err
}
bt, err := assets.String(query.BuyingType)
if err != nil {
return err
}
this.Selling = Asset{
Type: st,
Code: query.SellingCode,
Issuer: query.SellingIssuer,
}
this.Buying = Asset{
Type: bt,
Code: query.BuyingCode,
Issuer: query.BuyingIssuer,
}
this.populateLevels(&this.Bids, row.Bids())
this.populateLevels(&this.Asks, row.Asks())
return nil
}
func (f *EffectOrderBookFilter) Apply(ctx context.Context, in sq.SelectBuilder) (sql sq.SelectBuilder, err error) {
sql = in
sellingType, err := assets.String(f.SellingType)
if err != nil {
return
}
buyingType, err := assets.String(f.BuyingType)
if err != nil {
return
}
if f.SellingType == xdr.AssetTypeAssetTypeNative {
sql = sql.Where(`
(heff.details->>'sold_asset_type' = ?
AND heff.details ?? 'sold_asset_code' = false
AND heff.details ?? 'sold_asset_issuer' = false)`,
sellingType,
)
} else {
sql = sql.Where(`
(heff.details->>'sold_asset_type' = ?
AND heff.details->>'sold_asset_code' = ?
AND heff.details->>'sold_asset_issuer' = ?)`,
sellingType,
f.SellingCode,
f.SellingIssuer,
)
}
if f.BuyingType == xdr.AssetTypeAssetTypeNative {
sql = sql.Where(`
(heff.details->>'bought_asset_type' = ?
AND heff.details ?? 'bought_asset_code' = false
AND heff.details ?? 'bought_asset_issuer' = false)`,
buyingType,
)
} else {
sql = sql.Where(`
(heff.details->>'bought_asset_type' = ?
AND heff.details->>'bought_asset_code' = ?
AND heff.details->>'bought_asset_issuer' = ?)`,
buyingType,
f.BuyingCode,
f.BuyingIssuer,
)
}
if err != nil {
return
}
return
}
func (this *Balance) PopulateNative(stroops xdr.Int64) (err error) {
this.Type, err = assets.String(xdr.AssetTypeAssetTypeNative)
if err != nil {
return
}
this.Balance = amount.String(stroops)
this.Limit = ""
this.Issuer = ""
this.Code = ""
return
}
func (this *Balance) Populate(ctx context.Context, row core.Trustline) (err error) {
this.Type, err = assets.String(row.Assettype)
if err != nil {
return
}
this.Balance = amount.String(row.Balance)
this.Limit = amount.String(row.Tlimit)
this.Issuer = row.Issuer
this.Code = row.Assetcode
return
}