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Code Issues Releases Wiki Activity

core/ethereum: store tokens as a decision tree

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This commit is contained in:
Jan Pochyla 2019-05-20 15:51:30 +02:00
parent 94de0aa9cb
commit 875579867e
2 changed files with 2312 additions and 1150 deletions
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3428
core/src/apps/ethereum/tokens.py
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34
core/src/apps/ethereum/tokens.py.mako
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@ -1,21 +1,31 @@
# generated from tokens.py.mako # generated from tokens.py.mako
# do not edit manually! # do not edit manually!
<%
from collections import defaultdict
def token_by_chain_address(chain_id, address): def group_tokens(tokens):
for token in tokens: r = defaultdict(list)
if chain_id == token[0] and address == token[1]: for t in tokens:
return token r[t.chain_id].append(t)
return UNKNOWN_TOKEN return r
%>
UNKNOWN_TOKEN = (None, None, None, None) UNKNOWN_TOKEN = (None, None, None, None)
# fmt: off def token_by_chain_address(chain_id, address):
tokens = [ if False:
% for t in supported_on("trezor2", erc20): pass
(${t.chain_id}, ${black_repr(t.address_bytes)}, ${black_repr(t.symbol)}, ${t.decimals}), # ${t.chain} / ${t.name.strip()} # fmt: off
% for token_chain_id, tokens in group_tokens(supported_on("trezor2", erc20)).items():
elif chain_id == ${token_chain_id}:
if False:
pass
% for t in tokens:
elif address == ${black_repr(t.address_bytes)}:
return (${t.chain_id}, ${black_repr(t.address_bytes)}, ${black_repr(t.symbol)}, ${t.decimals}) # ${t.chain} / ${t.name.strip()}
% endfor
% endfor % endfor
] # fmt: on
# fmt: on return UNKNOWN_TOKEN