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tokens: rewrite generator to use ethereum-lists/tokens repo as source

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Pavol Rusnak 2018-02-16 22:46:57 +01:00
parent b9f2a1c27f
commit 389c895a71
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1 changed files with 27 additions and 36 deletions
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63
ethereum_tokens-gen.py
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@ -2,75 +2,66 @@
import sys import sys
import requests import requests
subst = {
(1, 'AVA \U0001F434'): 'AVA',
(1, 'BeerCoin \U0001F37A '): 'BEER',
(1, 'CryptoCarbon'): 'CCRB',
(1, 'DGX 1.0'): 'DGX1',
(1, 'JetCoins'): 'JTC',
(1, 'Unicorn \U0001F984'): 'UNCRN',
(1, '\U00002600\U0000FE0F PLASMA'): 'PLASMA',
(3, '\U0001F4A5 PLASMA'): 'PLASMA',
(4, '\U0000263C PLASMA'): 'PLASMA',
(42, '\U0001F4A5 PLASMA'): 'PLASMA',
}
def get_tokens(ipfs_hash, chain):
def get_tokens(chain): URL = 'https://gateway.ipfs.io/ipfs/%s/%s.json' % (ipfs_hash, chain)
URL = 'https://raw.githubusercontent.com/kvhnuke/etherwallet/mercury/app/scripts/tokens/%sTokens.json' % chain
r = requests.get(URL) r = requests.get(URL)
return r.json() return r.json()
def print_tokens(chain, chain_id, python=False): def print_tokens(ipfs_hash, chain, chain_id, python=False):
tokens = get_tokens(chain) tokens = get_tokens(ipfs_hash, chain)
if len(tokens) > 0: if len(tokens) > 0:
if python: if python:
print(' # %s' % chain) print(' # %s' % chain)
else: else:
print('\t// %s' % chain) print('\t// %s' % chain)
for t in sorted(tokens, key=lambda x: x['symbol'].upper()): for t in sorted(tokens, key=lambda x: x['symbol'].upper()):
address, symbol, decimal = t['address'], t['symbol'], int(t['decimal']) address, name, symbol, decimal = t['address'], t['name'], t['symbol'], int(t['decimals'])
s = (chain_id, symbol)
if s in subst:
symbol = subst[s]
address = '\\x'.join([address[i:i + 2] for i in range(0, len(address), 2)])[2:].lower() address = '\\x'.join([address[i:i + 2] for i in range(0, len(address), 2)])[2:].lower()
if python: if python:
print(" {'chain_id': %2d, 'address': b'%s', 'symbol': '%s', 'decimal': %d}," % (chain_id, address, symbol, decimal)) print(" {'chain_id': %2d, 'address': b'%s', 'symbol': '%s', 'decimal': %d}, # %s " % (chain_id, address, symbol, decimal, name))
else: else:
print('\t{%2d, "%s", " %s", %d},' % (chain_id, address, symbol, decimal)) print('\t{%2d, "%s", " %s", %d}, // %s ' % (chain_id, address, symbol, decimal, name))
return len(tokens) return len(tokens)
# disabled are networks with no tokens defined in ethereum-lists/tokens repo
networks = [ networks = [
('eth', 1), ('eth', 1),
('exp', 2), # ('exp', 2),
('ropsten', 3), # ('rop', 3),
('rinkeby', 4), ('rin', 4),
('ubq', 8), ('ubq', 8),
('rsk', 30), # ('rsk', 30),
('kovan', 42), ('kov', 42),
('etc', 61), ('etc', 61),
] ]
def generate_c(): def generate_c(ipfs_hash):
count = 0 count = 0
for s, i in networks: for s, i in networks:
count += print_tokens(s, i) count += print_tokens(ipfs_hash, s, i)
print('-' * 32) print('-' * 32)
print('#define TOKENS_COUNT %d' % count) print('#define TOKENS_COUNT %d' % count)
def generate_python(): def generate_python(ipfs_hash):
print('tokens = [') print('tokens = [')
for s, i in networks: for s, i in networks:
print_tokens(s, i, python=True) print_tokens(ipfs_hash, s, i, python=True)
print(']') print(']')
if __name__ == '__main__':
if len(sys.argv) > 1 and sys.argv[1] == '--python': if __name__ == '__main__':
generate_python() if len(sys.argv) < 2:
print('Usage: ethereum_tokens-gen.py ipfs_hash [--python]')
sys.exit(1)
ipfs_hash = sys.argv[1]
if len(sys.argv) > 2 and sys.argv[2] == '--python':
generate_python(ipfs_hash)
else: else:
generate_c() generate_c(ipfs_hash)