Merge pull request #256 from sandipndev/bump-bitcoin-27

Bump rust-bitcoin dependency to v0.27

Author: apoelstra

Cargo.toml

@@ -16,7 +16,7 @@ use-serde = ["bitcoin/use-serde", "serde"]
 rand = ["bitcoin/rand"]
 
 [dependencies]
-bitcoin = "0.26.2"
+bitcoin = "0.27"
 
 [dependencies.serde]
 version = "1.0"