bump MSRV to 1.58 (temporarily?); add santiago dependency

Author: apoelstra

.github/workflows/main.yml

@@ -77,7 +77,7 @@ jobs:
       matrix:
         rust:
           - stable
-          - 1.48.0
+          - 1.58.0
           - beta
           - nightly
     steps:
@@ -93,7 +93,7 @@ jobs:
         env:
           FEATURES: bitcoin elements test-utils
         run: |
-          if cargo --version | grep "1\.48"; then
+          if cargo --version | grep "1\.58"; then
               # 1.0.100 uses syn 2.0 which requires edition 2021
               cargo update -p serde_json --precise 1.0.99
               # 1.0.157 uses syn 2.0
@@ -102,6 +102,8 @@ jobs:
               cargo update -p quote --precise 1.0.30
               # 1.0.66 uses edition 2021
               cargo update -p proc-macro2 --precise 1.0.65
+              # 1.8.0 requires cargo 1.60+
+              cargo update -p regex --precise 1.7.0
           fi
           for f in $FEATURES; do echo "Features: $f" && cargo test --no-default-features --features="$f"; done
           echo "No default features" && cargo test --no-default-features

Cargo.toml

@@ -21,6 +21,7 @@ byteorder = "1.3"
 elements = { version = "0.22.0", optional = true }
 hashes = { package = "bitcoin_hashes", version = "0.12" }
 hex = { package = "hex-conservative", version = "0.1.1" }
+santiago = "1.3"
 simplicity-sys = { version = "0.1.0", path = "./simplicity-sys" }
 actual-serde = { package = "serde", version = "1.0.103", features = ["derive"], optional = true }
 

README.md

@@ -5,7 +5,7 @@ Under development....
 
 # Minimum Supported Rust Version
 
-The MSRV of this crate is **1.48.0**.
+The MSRV of this crate is **1.58.0**.
 
 # Updating jets code