Add faucet script

docker/Dockerfile.evmos-node.developer

@@ -3,7 +3,7 @@
 FROM ghcr.io/zama-ai/fhevm-decryptions-db:v0.1.5 as oracle-env
 FROM ghcr.io/zama-ai/fhevm-tfhe-cli:v0.1.2 as tfhe-cli
 
-FROM ghcr.io/zama-ai/evmos-node:v0.1.7-beta
+FROM ghcr.io/zama-ai/evmos-node:v0.1.7
 
 WORKDIR /config
 
@@ -12,7 +12,7 @@ ADD ./public.ed25519 .
 ADD ./scripts/prepare_volumes_from_fhe_tool.sh .
 ADD ./scripts/prepare_validator_ci.sh .
 ADD ./scripts/run_developer_image.sh .
-
+ADD --chmod=755 ./faucet.py /usr/local/bin/faucet
 
 COPY --from=oracle-env /usr/local/app/fhevm-decryptions-db .
 COPY --from=oracle-env /usr/local/app/Rocket.toml .

faucet.py

@@ -0,0 +1,34 @@
+#!/bin/env python3
+
+import sys
+import os
+import subprocess
+import json
+
+if len(sys.argv) < 2:
+    print('Pass address for tokens in the first argument')
+
+FAUCET_DEST_ADDRESS = sys.argv[1]
+FAUCET_WALLET_NAME = os.getenv('FAUCET_WALLET_NAME', default='mykey1')
+FAUCET_AMOUNT = os.getenv('FAUCET_AMOUNT', default='100000000000000000000')
+DENOM = os.getenv('DENOM', default='aevmos')
+
+def get_faucet_address():
+    addresses = json.loads(subprocess.check_output(['evmosd', '--output=json', 'keys', 'list']))
+    for address in addresses:
+        if address['name'] == FAUCET_WALLET_NAME:
+            return address['address']
+    return None
+
+def get_bech32_addr(ethereum_address):
+    output = subprocess.check_output(['evmosd', 'debug', 'addr', ethereum_address]).decode('utf-8')
+    bech32 = next((x for x in output.splitlines() if x.startswith('Bech32 Acc:')))
+    return bech32.split(': ')[1]
+
+faucet_address = get_faucet_address()
+if faucet_address is None:
+    print('Faucet account not found with name ' + FAUCET_WALLET_NAME)
+    os.exit(1)
+
+dst_bech_addr = get_bech32_addr(FAUCET_DEST_ADDRESS)
+os.system(f'evmosd --output=json tx bank send {faucet_address} {dst_bech_addr} {FAUCET_AMOUNT}{DENOM} --from {FAUCET_WALLET_NAME} --gas-prices 1{DENOM} -y')