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improve orderbook print layout

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This commit is contained in:
c9s 2021-03-15 10:23:42 +08:00
parent 3ffa319ba8
commit b24c69729a
1 changed files with 15 additions and 10 deletions
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25
pkg/types/orderbook.go
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@ -237,18 +237,23 @@ func (b *OrderBook) String() string {
sb.WriteString("BOOK ")
sb.WriteString(b.Symbol)
sb.WriteString("\n")
sb.WriteString("ASKS:\n")
for i := len(b.Asks) - 1; i >= 0; i-- {
sb.WriteString("- ASK: ")
sb.WriteString(b.Asks[i].String())
sb.WriteString("\n")
if len(b.Asks) > 0 {
sb.WriteString("ASKS:\n")
for i := len(b.Asks) - 1; i >= 0; i-- {
sb.WriteString("- ASK: ")
sb.WriteString(b.Asks[i].String())
sb.WriteString("\n")
}
}
sb.WriteString("BIDS:\n")
for _, bid := range b.Bids {
sb.WriteString("- BID: ")
sb.WriteString(bid.String())
sb.WriteString("\n")
if len(b.Bids) > 0 {
sb.WriteString("BIDS:\n")
for _, bid := range b.Bids {
sb.WriteString("- BID: ")
sb.WriteString(bid.String())
sb.WriteString("\n")
}
}
return sb.String()