feat: ethereum-balancer implementation

substreams/ethereum-balancer/abi/get_abis.py

@@ -0,0 +1,54 @@
+#!/usr/bin/python
+import json
+import os
+import re
+import time
+
+import requests
+
+# Exports contract ABI in JSON
+
+abis = {
+    "WeightedPoolFactory (v4)": "0x897888115Ada5773E02aA29F775430BFB5F34c51",
+    "WeightedPool2TokensFactory": "0xA5bf2ddF098bb0Ef6d120C98217dD6B141c74EE0",  # 80Bal-20WETH
+    "ComposableStablePoolFactory (v5)": "0xDB8d758BCb971e482B2C45f7F8a7740283A1bd3A",
+    "ERC4626LinearPoolFactory (v4)": "0x813EE7a840CE909E7Fea2117A44a90b8063bd4fd",
+    "EulerLinearPoolFactory": "0x5F43FBa61f63Fa6bFF101a0A0458cEA917f6B347",
+    "GearboxLinearPoolFactory (v2)": "0x39A79EB449Fc05C92c39aA6f0e9BfaC03BE8dE5B",
+    "ManagedPoolFactory (v2)": "0xBF904F9F340745B4f0c4702c7B6Ab1e808eA6b93",
+    "SiloLinearPoolFactory (v2)": "0x4E11AEec21baF1660b1a46472963cB3DA7811C89",
+    "YearnLinearPoolFactory (v2)": "0x5F5222Ffa40F2AEd6380D022184D6ea67C776eE0",
+    # Vault
+    "Vault": "0xBA12222222228d8Ba445958a75a0704d566BF2C8",
+}
+
+ABI_ENDPOINT = (
+    "https://api.etherscan.io/api?module=contract&action=getabi&address={address}"
+)
+
+if etherscan_key := os.environ.get("ETHERSCAN_API_TOKEN"):
+    print("API KEY Loaded!")
+    ABI_ENDPOINT += f"&apikey={etherscan_key}"
+
+
+def __main__():
+    for name, addr in abis.items():
+        normalized_name = "_".join(re.findall(r"[A-Z]+[a-z]*", name)).lower()
+        print(f"Getting ABI for {name} at {addr} ({normalized_name})")
+
+        try:
+            ...
+            response = requests.get(ABI_ENDPOINT.format(address=addr))
+            response_json = response.json()
+            abi_json = json.loads(response_json["result"])
+            result = json.dumps(abi_json, indent=4, sort_keys=True)
+            with open(f"{normalized_name}.json", "w") as f:
+                f.write(result)
+        except Exception as err:
+            print(response.content)
+            raise err
+        time.sleep(0.25)
+
+
+if __name__ == "__main__":
+    __main__()