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rainbreak / solidity-btc-parser

Solidity library to parse raw Bitcoin transaction bytes
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Be a library #16

Closed rainbreak closed 7 years ago

rainbreak commented 7 years ago

Switch back from contract to library.

Note: don't precompute stuff unless it's actually hard to compute. Powers of 2 are not hard to compute. Sload costs 50 gas a time, exp costs <20 for n < 256.