From 75a887c9edcf1b5082ce11320aadb47288fb20f2 Mon Sep 17 00:00:00 2001
From: HVbajoria <hvbajoria@hotmail.com>
Date: Tue, 7 Oct 2025 01:12:29 +0530
Subject: [PATCH 1/2] Implemented ETH to USD script

---
 conversions/crypto_price.py | 77 +++++++++++++++++++++++++++++++++++++
 requirements.txt            |  1 +
 2 files changed, 78 insertions(+)
 create mode 100644 conversions/crypto_price.py

diff --git a/conversions/crypto_price.py b/conversions/crypto_price.py
new file mode 100644
index 000000000000..c0084d438aac
--- /dev/null
+++ b/conversions/crypto_price.py
@@ -0,0 +1,77 @@
+"""
+Convert ETH (Ethereum) to USD using live or static conversion rates.
+
+Fetches current ETH price from CoinGecko API or uses fallback rate.
+Source: https://api.coingecko.com/api/v3/simple/price
+"""
+
+
+def eth_to_usd(eth_amount: float, eth_price_usd: float = 2000.0) -> float:
+    """
+    Convert ETH amount to USD equivalent.
+
+    Args:
+        eth_amount: Amount of ETH to convert
+        eth_price_usd: Price of 1 ETH in USD (default: 2000.0)
+
+    Returns:
+        USD equivalent of the ETH amount
+
+    Raises:
+        ValueError: If eth_amount or eth_price_usd is negative
+
+    >>> eth_to_usd(1.0, 2000.0)
+    2000.0
+    >>> eth_to_usd(0.5, 3000.0)
+    1500.0
+    >>> eth_to_usd(0, 2000.0)
+    0.0
+    >>> eth_to_usd(-1, 2000.0)
+    Traceback (most recent call last):
+        ...
+    ValueError: ETH amount cannot be negative
+    >>> eth_to_usd(1, -100)
+    Traceback (most recent call last):
+        ...
+    ValueError: ETH price cannot be negative
+    """
+    if eth_amount < 0:
+        raise ValueError("ETH amount cannot be negative")
+    if eth_price_usd < 0:
+        raise ValueError("ETH price cannot be negative")
+
+    return eth_amount * eth_price_usd
+
+
+def get_live_eth_price() -> float:
+    """
+    Fetch current ETH price from CoinGecko API.
+
+    Returns:
+        Current ETH price in USD, or 2000.0 if request fails
+
+    >>> price = get_live_eth_price()
+    >>> isinstance(price, float)
+    True
+    """
+    try:
+        import requests
+        response = requests.get(
+            "https://api.coingecko.com/api/v3/simple/price",
+            params={"ids": "ethereum", "vs_currencies": "usd"},
+            timeout=10
+        )
+        response.raise_for_status()
+        return response.json()["ethereum"]["usd"]
+    except (ImportError, requests.RequestException, KeyError):
+        return 2000.0
+
+
+if __name__ == "__main__":
+    import doctest
+    doctest.testmod()
+
+    # Interactive example
+    live_price = get_live_eth_price()
+    result = eth_to_usd(1.0, live_price)
+    print(f"1 ETH = ${result:,.2f} USD (${live_price:,.2f}/ETH)")
diff --git a/requirements.txt b/requirements.txt
index 66b5d8a6b94e..7a5978bca065 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,6 +9,7 @@ numpy
 opencv-python
 pandas
 pillow
+requests
 rich
 scikit-learn
 sphinx-pyproject

From 0ad3f7932beb2450a12806310fa0229e61354779 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Mon, 6 Oct 2025 19:53:34 +0000
Subject: [PATCH 2/2] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 conversions/crypto_price.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/conversions/crypto_price.py b/conversions/crypto_price.py
index c0084d438aac..908bb73a19ee 100644
--- a/conversions/crypto_price.py
+++ b/conversions/crypto_price.py
@@ -56,10 +56,11 @@ def get_live_eth_price() -> float:
     """
     try:
         import requests
+
         response = requests.get(
             "https://api.coingecko.com/api/v3/simple/price",
             params={"ids": "ethereum", "vs_currencies": "usd"},
-            timeout=10
+            timeout=10,
         )
         response.raise_for_status()
         return response.json()["ethereum"]["usd"]
@@ -69,6 +70,7 @@ def get_live_eth_price() -> float:
 
 if __name__ == "__main__":
     import doctest
+
     doctest.testmod()
 
     # Interactive example