manual added scripts data

books/manual/scripts/calculate_marketcap.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+cd ../../collections/manual/values
+
+coinId="threefold-token"
+
+url="https://api.coingecko.com/api/v3/simple/price?ids=${coinId}&vs_currencies=usd";
+
+curl -sL ${url} \
+-H 'Accept: application/json' | jq '."threefold-token".usd' | xargs printf "%.3f" > tft_value.md
+
+supply=$(cat tft_supply.md)
+
+value=$(cat tft_value.md)
+
+TFT_MARKETCAP=$(echo "$supply * $value" | bc -l)
+
+printf "%'.0f" $TFT_MARKETCAP > tft_marketcap.md