Immutable BlockSource interface

[rust-lightning] / lightning-block-sync / src / test_utils.rs

diff --git a/lightning-block-sync/src/test_utils.rs b/lightning-block-sync/src/test_utils.rs
index 8c37c94d8ec4c2146d978170fd66ccf1fae75172..fe57c0c606d02d5cfbc5bf79f3bba1637904711f 100644 (file)
--- a/lightning-block-sync/src/test_utils.rs
+++ b/lightning-block-sync/src/test_utils.rs
@@ -113,7 +113,7 @@ impl Blockchain {
 }
 
 impl BlockSource for Blockchain {
-       fn get_header<'a>(&'a mut self, header_hash: &'a BlockHash, _height_hint: Option<u32>) -> AsyncBlockSourceResult<'a, BlockHeaderData> {
+       fn get_header<'a>(&'a self, header_hash: &'a BlockHash, _height_hint: Option<u32>) -> AsyncBlockSourceResult<'a, BlockHeaderData> {
                Box::pin(async move {
                        if self.without_headers {
                                return Err(BlockSourceError::persistent("header not found"));
@@ -133,7 +133,7 @@ impl BlockSource for Blockchain {
                })
        }
 
-       fn get_block<'a>(&'a mut self, header_hash: &'a BlockHash) -> AsyncBlockSourceResult<'a, Block> {
+       fn get_block<'a>(&'a self, header_hash: &'a BlockHash) -> AsyncBlockSourceResult<'a, Block> {
                Box::pin(async move {
                        for (height, block) in self.blocks.iter().enumerate() {
                                if block.header.block_hash() == *header_hash {
@@ -150,7 +150,7 @@ impl BlockSource for Blockchain {
                })
        }
 
-       fn get_best_block<'a>(&'a mut self) -> AsyncBlockSourceResult<'a, (BlockHash, Option<u32>)> {
+       fn get_best_block<'a>(&'a self) -> AsyncBlockSourceResult<'a, (BlockHash, Option<u32>)> {
                Box::pin(async move {
                        match self.blocks.last() {
                                None => Err(BlockSourceError::transient("empty chain")),