Merge pull request #15 from ElementsProject/2019-03-bitcoin-018

update `rust-bitcoin` to 0.18

Author: apoelstra

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "elements"
-version = "0.6.0"
+version = "0.7.0"
 authors = ["Andrew Poelstra <apoelstra@blockstream.com>"]
 description = "Library with support for de/serialization, parsing and executing on data structures and network messages related to Elements"
 license = "CC0-1.0"
@@ -21,7 +21,7 @@ bitcoin_hashes = "0.3.0"
 secp256k1 = "0.12.0"
 
 [dependencies.bitcoin]
-version = "0.17.0"
+version = "0.18.0"
 
 [dependencies.serde]
 version = "1.0"

fuzz/Cargo.toml

@@ -17,7 +17,7 @@ afl = { version = "0.3", optional = true }
 elements = { path = "..", features = ["fuzztarget", "serde-feature"] }
 
 [dependencies.bitcoin]
-version = "0.17"
+version = "0.18"
 
 # Prevent this from interfering with workspaces
 [workspace]