diff --git a/Cargo.lock b/Cargo.lock
index dd08e381..c6baff2d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -237,9 +237,9 @@ checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
 
 [[package]]
 name = "bdk"
-version = "0.6.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51dcf686dfc6200d641e8619019c027976533b7e2d5c00de2b4182c88287a18b"
+checksum = "d85959e6883d0286e39e89aa7791b2edc2b8712f0f7152fda43b692c4db96c06"
 dependencies = [
  "async-trait",
  "bdk-macros",
@@ -486,6 +486,12 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
 
+[[package]]
+name = "bytemuck"
+version = "1.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bed57e2090563b83ba8f83366628ce535a7584c9afa4c9fc0612a03925c6df58"
+
 [[package]]
 name = "byteorder"
 version = "1.4.3"
@@ -568,6 +574,12 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "checked_int_cast"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "17cc5e6b5ab06331c33589842070416baa137e8b0eb912b008cfd4a78ada7919"
+
 [[package]]
 name = "chrono"
 version = "0.4.19"
@@ -614,6 +626,12 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "color_quant"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d7b894f5411737b7867f4827955924d7c254fc9f4d91a6aad6b097804b1018b"
+
 [[package]]
 name = "config"
 version = "0.11.0"
@@ -1550,6 +1568,20 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "image"
+version = "0.23.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24ffcb7e7244a9bf19d35bf2883b9c080c4ced3c07a9895572178cdb8f13f6a1"
+dependencies = [
+ "bytemuck",
+ "byteorder",
+ "color_quant",
+ "num-iter",
+ "num-rational 0.3.2",
+ "num-traits",
+]
+
 [[package]]
 name = "indexmap"
 version = "1.6.2"
@@ -1607,9 +1639,9 @@ dependencies = [
 
 [[package]]
 name = "itertools"
-version = "0.10.0"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37d572918e350e82412fe766d24b15e6682fb2ed2bbe018280caa810397cb319"
+checksum = "69ddb889f9d0d08a67338271fa9b62996bc788c7796a5c18cf057420aaed5eaf"
 dependencies = [
  "either",
 ]
@@ -2362,7 +2394,7 @@ dependencies = [
  "num-complex",
  "num-integer",
  "num-iter",
- "num-rational",
+ "num-rational 0.1.42",
  "num-traits",
 ]
 
@@ -2421,6 +2453,17 @@ dependencies = [
  "rustc-serialize",
 ]
 
+[[package]]
+name = "num-rational"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "12ac428b1cb17fce6f731001d307d351ec70a6d202fc2e60f7d4c5e42d8f4f07"
+dependencies = [
+ "autocfg 1.0.1",
+ "num-integer",
+ "num-traits",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.14"
@@ -2823,6 +2866,16 @@ dependencies = [
  "prost",
 ]
 
+[[package]]
+name = "qrcode"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16d2f1455f3630c6e5107b4f2b94e74d76dea80736de0981fd27644216cff57f"
+dependencies = [
+ "checked_int_cast",
+ "image",
+]
+
 [[package]]
 name = "quick-error"
 version = "1.2.3"
@@ -3230,9 +3283,9 @@ dependencies = [
 
 [[package]]
 name = "rust_decimal"
-version = "1.14.1"
+version = "1.14.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d52f6513cf330c84095570b1f3ac073d718a50541c8392a98eaac9c6333324bf"
+checksum = "9787e62372fc0c5a0f3af64c392652db72d3ec1cc0cff1becc175d2c11e6fbcc"
 dependencies = [
  "arrayvec",
  "num-traits",
@@ -3892,7 +3945,7 @@ dependencies = [
  "futures",
  "get-port",
  "hyper 0.14.8",
- "itertools 0.10.0",
+ "itertools 0.10.1",
  "libp2p 0.38.0",
  "libp2p-async-await",
  "miniscript",
@@ -3903,6 +3956,7 @@ dependencies = [
  "port_check",
  "prettytable-rs",
  "proptest",
+ "qrcode",
  "rand 0.8.3",
  "rand_chacha 0.3.0",
  "reqwest",
@@ -4150,9 +4204,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.6.0"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd3076b5c8cc18138b8f8814895c11eb4de37114a5d127bafdc5e55798ceef37"
+checksum = "c79ba603c337335df6ba6dd6afc38c38a7d5e1b0c871678439ea973cd62a118e"
 dependencies = [
  "autocfg 1.0.1",
  "bytes 1.0.1",