Add docs for Ema interface (#49)

jkbpvsc · web-flow · commit b1e4c1e10689 · 2023-01-11T00:51:10.000+09:00
diff --git a/src/index.ts b/src/index.ts
@@ -85,6 +85,10 @@ export interface PriceComponent {
   latest: Price
 }
 
+/**
+ * valueComponent = numerator / denominator
+ * value = valueComponent * 10 ^ exponent (from PriceData)
+ */
 export interface Ema {
   valueComponent: bigint
   value: number
