39 lines
1.2 KiB
Rust
39 lines
1.2 KiB
Rust
// SPDX-License-Identifier: CC0-1.0
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mod global;
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mod input;
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mod output;
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use crate::prelude::Vec;
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use crate::psbt::raw;
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use crate::psbt::serialize::Serialize;
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#[rustfmt::skip] // Keep public re-exports separate.
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#[doc(inline)]
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pub use self::{
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input::{Input, PsbtSighashType},
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output::Output,
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};
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/// A trait that describes a PSBT key-value map.
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pub(super) trait Map {
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/// Attempt to get all key-value pairs.
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fn get_pairs(&self) -> Vec<raw::Pair>;
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/// Serialize Psbt binary map data according to BIP-174 specification.
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///
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/// <map> := <keypair>* 0x00
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///
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/// Why is the separator here 0x00 instead of 0xff? The separator here is used to distinguish between each chunk of data.
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/// A separator of 0x00 would mean that the unserializer can read it as a key length of 0, which would never occur with
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/// actual keys. It can thus be used as a separator and allow for easier unserializer implementation.
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fn serialize_map(&self) -> Vec<u8> {
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let mut buf = Vec::new();
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for pair in Map::get_pairs(self) {
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buf.extend(&pair.serialize());
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}
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buf.push(0x00_u8);
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buf
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}
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}
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