71 lines
2.4 KiB
Rust
71 lines
2.4 KiB
Rust
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//! Transaction types.
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/// OutPoint
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///
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/// A particular transaction output reference.
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#[derive(Copy, Clone, Debug, Eq, PartialEq)]
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pub struct OutPoint {
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/// The hash of the referenced transaction.
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pub hash: [u8; 32],
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/// The index of the specific output in the transaction. The first output is 0, etc.
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pub index: u32,
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}
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/// Transaction Input
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// `Copy` cannot be implemented for `Vec<u8>`
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#[derive(Clone, Debug, Eq, PartialEq)]
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pub struct TransactionInput {
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/// The previous output transaction reference.
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pub previous_output: OutPoint,
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/// Computational Script for confirming transaction authorization.
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// XXX pzec uses their own `Bytes` type that wraps a `Vec<u8>`
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// with some extra methods.
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pub signature_script: Vec<u8>,
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/// Transaction version as defined by the sender. Intended for
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/// "replacement" of transactions when information is updated
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/// before inclusion into a block.
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pub sequence: u32,
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}
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/// Transaction Output
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// `Copy` cannot be implemented for `Vec<u8>`
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#[derive(Clone, Debug, Eq, PartialEq)]
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pub struct TransactionOutput {
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/// Transaction value.
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// At https://en.bitcoin.it/wiki/Protocol_documentation#tx, this is an i64.
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pub value: u64,
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/// Usually contains the public key as a Bitcoin script setting up
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/// conditions to claim this output.
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pub pk_script: Vec<u8>,
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}
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/// Transaction Input
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#[derive(Clone, Debug, Eq, PartialEq)]
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pub struct Transaction {
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/// Transaction data format version (note, this is signed).
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pub version: i32,
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/// A list of 1 or more transaction inputs or sources for coins.
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pub tx_in: Vec<TransactionInput>,
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/// A list of 1 or more transaction outputs or destinations for coins.
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pub tx_out: Vec<TransactionOutput>,
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/// The block number or timestamp at which this transaction is unlocked:
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///
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/// |Value |Description |
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/// |------------|----------------------------------------------------|
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/// |0 |Not locked (default) |
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/// |< 500000000 |Block number at which this transaction is unlocked |
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/// |>= 500000000|UNIX timestamp at which this transaction is unlocked|
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///
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/// If all `TransactionInput`s have final (0xffffffff) sequence
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/// numbers, then lock_time is irrelevant. Otherwise, the
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/// transaction may not be added to a block until after `lock_time`.
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pub lock_time: u32,
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}
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