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Document the magic bytes for witness commitment

This commit is contained in:
Peter Ryszkiewicz 2024-09-16 21:02:29 -05:00
parent 85fa0ce28d
commit d942882b36
1 changed files with 1 additions and 0 deletions
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bitcoin/src/blockdata/block.rs
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@ -245,6 +245,7 @@ impl Block {
/// Checks if witness commitment in coinbase matches the transaction list. /// Checks if witness commitment in coinbase matches the transaction list.
pub fn check_witness_commitment(&self) -> bool { pub fn check_witness_commitment(&self) -> bool {
// Consists of OP_RETURN, OP_PUSHBYTES_36, and four "witness header" bytes.
const MAGIC: [u8; 6] = [0x6a, 0x24, 0xaa, 0x21, 0xa9, 0xed]; const MAGIC: [u8; 6] = [0x6a, 0x24, 0xaa, 0x21, 0xa9, 0xed];
// Witness commitment is optional if there are no transactions using SegWit in the block. // Witness commitment is optional if there are no transactions using SegWit in the block.
if self.txdata.iter().all(|t| t.input.iter().all(|i| i.witness.is_empty())) { if self.txdata.iter().all(|t| t.input.iter().all(|i| i.witness.is_empty())) {