11 lines
414 B
Rust
11 lines
414 B
Rust
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use util::uint::*;
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/// Definition of a contract whose implementation is built-in.
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pub struct Builtin {
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/// The gas cost of running this built-in for the given size of input data.
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pub cost: Box<Fn(usize) -> U256>, // TODO: U256 should be bignum.
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/// Run this built-in function with the input being the first argument and the output
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/// being placed into the second.
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pub execute: Box<Fn(&[u8], &mut [u8])>,
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}
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