Wei Tang 5319d33bc6 Use signed 256-bit integer for sstore gas refund substate (#9746) ... * Add signed refund * Use signed 256-bit integer for sstore gas refund substate * Fix tests * Remove signed mod and use i128 directly * Fix evm test case casting * Fix jsontests ext signature		2018-10-15 17:09:55 +08:00
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Cargo.toml