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https://github.com/trezor/trezor-firmware.git
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46 lines
1.5 KiB
Python
46 lines
1.5 KiB
Python
import os.path
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import json
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from .tx_api import TxApiInsight, TxApiBlockCypher
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COINS_JSON = os.path.join(os.path.dirname(__file__), 'coins.json')
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def _load_coins_json():
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# Load coins.json to local variables
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# NOTE: coins.json comes from 'vendor/trezor-common/coins.json',
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# which is a git submodule. If you're trying to run trezorlib directly
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# from the checkout (or tarball), initialize the submodule with:
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# $ git submodule update --init
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# and install coins.json with:
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# $ python setup.py prebuild
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with open(COINS_JSON) as coins_json:
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coins_list = json.load(coins_json)
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return {coin['coin_name']: coin for coin in coins_list}
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def _insight_for_coin(coin):
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if not coin['bitcore']:
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return None
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zcash = coin['coin_name'].lower().startswith('zcash')
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network = 'insight_{}'.format(coin['coin_name'].lower().replace(' ', '_'))
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url = coin['bitcore'][0] + 'api/'
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return TxApiInsight(network=network, url=url, zcash=zcash)
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# exported variables
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__all__ = ['by_name', 'slip44', 'tx_api']
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try:
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by_name = _load_coins_json()
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except Exception as e:
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raise ImportError("Failed to load coins.json. Check your installation.") from e
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slip44 = {name: coin['bip44'] for name, coin in by_name.items()}
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tx_api = {name: _insight_for_coin(coin)
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for name, coin in by_name.items()
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if coin["bitcore"]}
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# fixup for Dogecoin
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tx_api['Dogecoin'] = TxApiBlockCypher(network='blockcypher_dogecoin', url='https://api.blockcypher.com/v1/doge/main/')
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