diff --git a/Cargo.lock b/Cargo.lock
index 194bb4b..242e534 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -936,16 +936,16 @@ checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
 [[package]]
 name = "fork-tree"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "parity-scale-codec",
 ]
 
 [[package]]
 name = "frame-benchmarking"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -961,8 +961,8 @@ dependencies = [
 
 [[package]]
 name = "frame-executive"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -976,8 +976,8 @@ dependencies = [
 
 [[package]]
 name = "frame-metadata"
-version = "11.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "11.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "parity-scale-codec",
  "serde",
@@ -987,8 +987,8 @@ dependencies = [
 
 [[package]]
 name = "frame-support"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "bitmask",
  "frame-metadata",
@@ -1012,8 +1012,8 @@ dependencies = [
 
 [[package]]
 name = "frame-support-procedural"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "frame-support-procedural-tools",
  "proc-macro2",
@@ -1023,8 +1023,8 @@ dependencies = [
 
 [[package]]
 name = "frame-support-procedural-tools"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "frame-support-procedural-tools-derive",
  "proc-macro-crate",
@@ -1035,8 +1035,8 @@ dependencies = [
 
 [[package]]
 name = "frame-support-procedural-tools-derive"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "proc-macro2",
  "quote 1.0.6",
@@ -1045,8 +1045,8 @@ dependencies = [
 
 [[package]]
 name = "frame-system"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "frame-support",
  "impl-trait-for-tuples",
@@ -2607,7 +2607,7 @@ dependencies = [
 
 [[package]]
 name = "node-template"
-version = "2.0.0-rc1"
+version = "2.0.0-rc2"
 dependencies = [
  "futures 0.3.5",
  "log",
@@ -2636,7 +2636,7 @@ dependencies = [
 
 [[package]]
 name = "node-template-runtime"
-version = "2.0.0-rc1"
+version = "2.0.0-rc2"
 dependencies = [
  "frame-executive",
  "frame-support",
@@ -2807,8 +2807,8 @@ dependencies = [
 
 [[package]]
 name = "pallet-aura"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -2826,8 +2826,8 @@ dependencies = [
 
 [[package]]
 name = "pallet-balances"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -2840,8 +2840,8 @@ dependencies = [
 
 [[package]]
 name = "pallet-finality-tracker"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -2856,8 +2856,8 @@ dependencies = [
 
 [[package]]
 name = "pallet-grandpa"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -2876,8 +2876,8 @@ dependencies = [
 
 [[package]]
 name = "pallet-randomness-collective-flip"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -2889,8 +2889,8 @@ dependencies = [
 
 [[package]]
 name = "pallet-session"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -2907,8 +2907,8 @@ dependencies = [
 
 [[package]]
 name = "pallet-sudo"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -2921,7 +2921,7 @@ dependencies = [
 
 [[package]]
 name = "pallet-template"
-version = "2.0.0-rc1"
+version = "2.0.0-rc2"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -2933,8 +2933,8 @@ dependencies = [
 
 [[package]]
 name = "pallet-timestamp"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -2950,8 +2950,8 @@ dependencies = [
 
 [[package]]
 name = "pallet-transaction-payment"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -2964,8 +2964,8 @@ dependencies = [
 
 [[package]]
 name = "pallet-transaction-payment-rpc-runtime-api"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "frame-support",
  "parity-scale-codec",
@@ -3896,8 +3896,8 @@ dependencies = [
 
 [[package]]
 name = "sc-basic-authorship"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "futures 0.3.5",
  "futures-timer 3.0.2",
@@ -3920,8 +3920,8 @@ dependencies = [
 
 [[package]]
 name = "sc-block-builder"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "parity-scale-codec",
  "sc-client-api",
@@ -3936,8 +3936,8 @@ dependencies = [
 
 [[package]]
 name = "sc-chain-spec"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "impl-trait-for-tuples",
  "sc-chain-spec-derive",
@@ -3952,8 +3952,8 @@ dependencies = [
 
 [[package]]
 name = "sc-chain-spec-derive"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2",
@@ -3963,8 +3963,8 @@ dependencies = [
 
 [[package]]
 name = "sc-cli"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "ansi_term 0.12.1",
  "atty",
@@ -4004,8 +4004,8 @@ dependencies = [
 
 [[package]]
 name = "sc-client-api"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "derive_more",
  "fnv",
@@ -4040,8 +4040,8 @@ dependencies = [
 
 [[package]]
 name = "sc-client-db"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "blake2-rfc",
  "hash-db",
@@ -4069,8 +4069,8 @@ dependencies = [
 
 [[package]]
 name = "sc-consensus"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "sc-client-api",
  "sp-blockchain",
@@ -4080,8 +4080,8 @@ dependencies = [
 
 [[package]]
 name = "sc-consensus-aura"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "derive_more",
  "futures 0.3.5",
@@ -4111,8 +4111,8 @@ dependencies = [
 
 [[package]]
 name = "sc-consensus-slots"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "futures 0.3.5",
  "futures-timer 3.0.2",
@@ -4133,8 +4133,8 @@ dependencies = [
 
 [[package]]
 name = "sc-executor"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "derive_more",
  "lazy_static",
@@ -4160,8 +4160,8 @@ dependencies = [
 
 [[package]]
 name = "sc-executor-common"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "derive_more",
  "log",
@@ -4177,8 +4177,8 @@ dependencies = [
 
 [[package]]
 name = "sc-executor-wasmi"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "log",
  "parity-scale-codec",
@@ -4192,8 +4192,8 @@ dependencies = [
 
 [[package]]
 name = "sc-finality-grandpa"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "assert_matches",
  "derive_more",
@@ -4229,8 +4229,8 @@ dependencies = [
 
 [[package]]
 name = "sc-informant"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "ansi_term 0.12.1",
  "futures 0.3.5",
@@ -4246,8 +4246,8 @@ dependencies = [
 
 [[package]]
 name = "sc-keystore"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "derive_more",
  "hex",
@@ -4261,8 +4261,8 @@ dependencies = [
 
 [[package]]
 name = "sc-network"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "bitflags",
  "bs58",
@@ -4313,8 +4313,8 @@ dependencies = [
 
 [[package]]
 name = "sc-network-gossip"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "futures 0.3.5",
  "futures-timer 3.0.2",
@@ -4328,8 +4328,8 @@ dependencies = [
 
 [[package]]
 name = "sc-offchain"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "bytes 0.5.4",
  "fnv",
@@ -4355,8 +4355,8 @@ dependencies = [
 
 [[package]]
 name = "sc-peerset"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "futures 0.3.5",
  "libp2p",
@@ -4368,8 +4368,8 @@ dependencies = [
 
 [[package]]
 name = "sc-proposer-metrics"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "log",
  "substrate-prometheus-endpoint",
@@ -4377,8 +4377,8 @@ dependencies = [
 
 [[package]]
 name = "sc-rpc"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "futures 0.3.5",
  "hash-db",
@@ -4409,8 +4409,8 @@ dependencies = [
 
 [[package]]
 name = "sc-rpc-api"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "derive_more",
  "futures 0.3.5",
@@ -4433,8 +4433,8 @@ dependencies = [
 
 [[package]]
 name = "sc-rpc-server"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "jsonrpc-core",
  "jsonrpc-http-server",
@@ -4448,8 +4448,8 @@ dependencies = [
 
 [[package]]
 name = "sc-service"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "derive_more",
  "exit-future",
@@ -4506,8 +4506,8 @@ dependencies = [
 
 [[package]]
 name = "sc-state-db"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "log",
  "parity-scale-codec",
@@ -4520,8 +4520,8 @@ dependencies = [
 
 [[package]]
 name = "sc-telemetry"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "bytes 0.5.4",
  "futures 0.3.5",
@@ -4542,8 +4542,8 @@ dependencies = [
 
 [[package]]
 name = "sc-tracing"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "erased-serde",
  "log",
@@ -4557,8 +4557,8 @@ dependencies = [
 
 [[package]]
 name = "sc-transaction-graph"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "derive_more",
  "futures 0.3.5",
@@ -4577,8 +4577,8 @@ dependencies = [
 
 [[package]]
 name = "sc-transaction-pool"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "derive_more",
  "futures 0.3.5",
@@ -4927,8 +4927,8 @@ dependencies = [
 
 [[package]]
 name = "sp-allocator"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "derive_more",
  "log",
@@ -4939,8 +4939,8 @@ dependencies = [
 
 [[package]]
 name = "sp-api"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "hash-db",
  "parity-scale-codec",
@@ -4954,8 +4954,8 @@ dependencies = [
 
 [[package]]
 name = "sp-api-proc-macro"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "blake2-rfc",
  "proc-macro-crate",
@@ -4966,8 +4966,8 @@ dependencies = [
 
 [[package]]
 name = "sp-application-crypto"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "parity-scale-codec",
  "serde",
@@ -4978,8 +4978,8 @@ dependencies = [
 
 [[package]]
 name = "sp-arithmetic"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "integer-sqrt",
  "num-traits 0.2.11",
@@ -4991,8 +4991,8 @@ dependencies = [
 
 [[package]]
 name = "sp-block-builder"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -5003,8 +5003,8 @@ dependencies = [
 
 [[package]]
 name = "sp-blockchain"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "derive_more",
  "log",
@@ -5019,8 +5019,8 @@ dependencies = [
 
 [[package]]
 name = "sp-chain-spec"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "serde",
  "serde_json",
@@ -5028,8 +5028,8 @@ dependencies = [
 
 [[package]]
 name = "sp-consensus"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "derive_more",
  "futures 0.3.5",
@@ -5051,8 +5051,8 @@ dependencies = [
 
 [[package]]
 name = "sp-consensus-aura"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -5065,8 +5065,8 @@ dependencies = [
 
 [[package]]
 name = "sp-core"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "base58",
  "blake2-rfc",
@@ -5107,8 +5107,8 @@ dependencies = [
 
 [[package]]
 name = "sp-database"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "kvdb",
  "parking_lot 0.10.2",
@@ -5116,8 +5116,8 @@ dependencies = [
 
 [[package]]
 name = "sp-debug-derive"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "proc-macro2",
  "quote 1.0.6",
@@ -5126,8 +5126,8 @@ dependencies = [
 
 [[package]]
 name = "sp-externalities"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "environmental",
  "parity-scale-codec",
@@ -5137,8 +5137,8 @@ dependencies = [
 
 [[package]]
 name = "sp-finality-grandpa"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "finality-grandpa",
  "log",
@@ -5153,8 +5153,8 @@ dependencies = [
 
 [[package]]
 name = "sp-finality-tracker"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "parity-scale-codec",
  "sp-inherents",
@@ -5163,8 +5163,8 @@ dependencies = [
 
 [[package]]
 name = "sp-inherents"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "derive_more",
  "parity-scale-codec",
@@ -5175,8 +5175,8 @@ dependencies = [
 
 [[package]]
 name = "sp-io"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "futures 0.3.5",
  "hash-db",
@@ -5195,8 +5195,8 @@ dependencies = [
 
 [[package]]
 name = "sp-keyring"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "lazy_static",
  "sp-core",
@@ -5206,8 +5206,8 @@ dependencies = [
 
 [[package]]
 name = "sp-offchain"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "sp-api",
  "sp-core",
@@ -5216,8 +5216,8 @@ dependencies = [
 
 [[package]]
 name = "sp-panic-handler"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "backtrace",
  "log",
@@ -5225,8 +5225,8 @@ dependencies = [
 
 [[package]]
 name = "sp-rpc"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "serde",
  "sp-core",
@@ -5234,8 +5234,8 @@ dependencies = [
 
 [[package]]
 name = "sp-runtime"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "hash256-std-hasher",
  "impl-trait-for-tuples",
@@ -5255,8 +5255,8 @@ dependencies = [
 
 [[package]]
 name = "sp-runtime-interface"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "parity-scale-codec",
  "primitive-types",
@@ -5270,8 +5270,8 @@ dependencies = [
 
 [[package]]
 name = "sp-runtime-interface-proc-macro"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "Inflector",
  "proc-macro-crate",
@@ -5282,8 +5282,8 @@ dependencies = [
 
 [[package]]
 name = "sp-serializer"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "serde",
  "serde_json",
@@ -5291,8 +5291,8 @@ dependencies = [
 
 [[package]]
 name = "sp-session"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -5304,8 +5304,8 @@ dependencies = [
 
 [[package]]
 name = "sp-staking"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "parity-scale-codec",
  "sp-runtime",
@@ -5314,8 +5314,8 @@ dependencies = [
 
 [[package]]
 name = "sp-state-machine"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "hash-db",
  "log",
@@ -5333,13 +5333,13 @@ dependencies = [
 
 [[package]]
 name = "sp-std"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 
 [[package]]
 name = "sp-storage"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "impl-serde 0.2.3",
  "ref-cast",
@@ -5350,8 +5350,8 @@ dependencies = [
 
 [[package]]
 name = "sp-timestamp"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "impl-trait-for-tuples",
  "parity-scale-codec",
@@ -5364,16 +5364,16 @@ dependencies = [
 
 [[package]]
 name = "sp-tracing"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "tracing",
 ]
 
 [[package]]
 name = "sp-transaction-pool"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "derive_more",
  "futures 0.3.5",
@@ -5387,8 +5387,8 @@ dependencies = [
 
 [[package]]
 name = "sp-trie"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "hash-db",
  "memory-db",
@@ -5401,8 +5401,8 @@ dependencies = [
 
 [[package]]
 name = "sp-utils"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "futures 0.3.5",
  "futures-core",
@@ -5412,8 +5412,8 @@ dependencies = [
 
 [[package]]
 name = "sp-version"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "impl-serde 0.2.3",
  "parity-scale-codec",
@@ -5424,8 +5424,8 @@ dependencies = [
 
 [[package]]
 name = "sp-wasm-interface"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "impl-trait-for-tuples",
  "parity-scale-codec",
@@ -5534,16 +5534,16 @@ dependencies = [
 
 [[package]]
 name = "substrate-build-script-utils"
-version = "2.0.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "2.0.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "platforms",
 ]
 
 [[package]]
 name = "substrate-prometheus-endpoint"
-version = "0.8.0-rc1"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+version = "0.8.0-rc2"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 dependencies = [
  "async-std 1.6.0",
  "derive_more",
@@ -5557,7 +5557,7 @@ dependencies = [
 [[package]]
 name = "substrate-wasm-builder-runner"
 version = "1.0.6"
-source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc1#599ba75bc2b5acd238c21c5c7efe8e2ad8d401ee"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc2#45b9f0a9cbf901abaa9f1fca5fe8baeed029133d"
 
 [[package]]
 name = "subtle"
diff --git a/node/Cargo.toml b/node/Cargo.toml
index ad3e57e..b7ca586 100644
--- a/node/Cargo.toml
+++ b/node/Cargo.toml
@@ -7,7 +7,7 @@ homepage = 'https://substrate.io'
 license = 'Unlicense'
 name = 'node-template'
 repository = 'https://github.com/substrate-developer-hub/substrate-node-template/'
-version = '2.0.0-rc1'
+version = '2.0.0-rc2'
 
 [package.metadata.docs.rs]
 targets = ['x86_64-unknown-linux-gnu']
@@ -20,97 +20,97 @@ structopt = '0.3.8'
 
 [dependencies.node-template-runtime]
 path = '../runtime'
-version = '2.0.0-rc1'
+version = '2.0.0-rc2'
 
 [dependencies.sc-basic-authorship]
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '0.8.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '0.8.0-rc2'
 
 [dependencies.sc-cli]
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '0.8.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '0.8.0-rc2'
 
 [dependencies.sc-client-api]
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.sc-consensus]
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '0.8.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '0.8.0-rc2'
 
 [dependencies.sc-consensus-aura]
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '0.8.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '0.8.0-rc2'
 
 [dependencies.sc-executor]
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '0.8.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '0.8.0-rc2'
 
 [dependencies.sc-finality-grandpa]
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '0.8.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '0.8.0-rc2'
 
 [dependencies.sc-network]
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '0.8.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '0.8.0-rc2'
 
 [dependencies.sc-service]
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '0.8.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '0.8.0-rc2'
 
 [dependencies.sc-transaction-pool]
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.sp-consensus]
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '0.8.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '0.8.0-rc2'
 
 [dependencies.sp-consensus-aura]
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '0.8.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '0.8.0-rc2'
 
 [dependencies.sp-core]
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.sp-finality-grandpa]
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.sp-inherents]
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.sp-runtime]
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.sp-transaction-pool]
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [build-dependencies.substrate-build-script-utils]
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [[bin]]
 name = 'node-template'
diff --git a/pallets/template/Cargo.toml b/pallets/template/Cargo.toml
index 26010bc..1705f3e 100644
--- a/pallets/template/Cargo.toml
+++ b/pallets/template/Cargo.toml
@@ -6,7 +6,7 @@ homepage = 'https://substrate.io'
 license = 'Unlicense'
 name = 'pallet-template'
 repository = 'https://github.com/substrate-developer-hub/substrate-node-template/'
-version = '2.0.0-rc1'
+version = '2.0.0-rc2'
 
 [dependencies.codec]
 default-features = false
@@ -17,32 +17,32 @@ version = '1.3.0'
 [dependencies.frame-support]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.frame-system]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dev-dependencies.sp-core]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dev-dependencies.sp-io]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dev-dependencies.sp-runtime]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [features]
 default = ['std']
diff --git a/runtime/Cargo.toml b/runtime/Cargo.toml
index e8fd2bb..395598f 100644
--- a/runtime/Cargo.toml
+++ b/runtime/Cargo.toml
@@ -5,7 +5,7 @@ homepage = 'https://substrate.io'
 license = 'Unlicense'
 name = 'node-template-runtime'
 repository = 'https://github.com/substrate-developer-hub/substrate-node-template/'
-version = '2.0.0-rc1'
+version = '2.0.0-rc2'
 
 [package.metadata.docs.rs]
 targets = ['x86_64-unknown-linux-gnu']
@@ -14,15 +14,15 @@ targets = ['x86_64-unknown-linux-gnu']
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
 package = 'pallet-aura'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.balances]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
 package = 'pallet-balances'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.codec]
 default-features = false
@@ -33,28 +33,28 @@ version = '1.3.0'
 [dependencies.frame-executive]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.frame-support]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.grandpa]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
 package = 'pallet-grandpa'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.randomness-collective-flip]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
 package = 'pallet-randomness-collective-flip'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.serde]
 features = ['derive']
@@ -64,108 +64,108 @@ version = '1.0.101'
 [dependencies.sp-api]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.sp-block-builder]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.sp-consensus-aura]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '0.8.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '0.8.0-rc2'
 
 [dependencies.sp-core]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.sp-inherents]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.sp-io]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.sp-offchain]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.sp-runtime]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.sp-session]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.sp-std]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.sp-transaction-pool]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.sp-version]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.sudo]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
 package = 'pallet-sudo'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.system]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
 package = 'frame-system'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.template]
 default-features = false
 package = 'pallet-template'
 path = '../pallets/template'
-version = '2.0.0-rc1'
+version = '2.0.0-rc2'
 
 [dependencies.timestamp]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
 package = 'pallet-timestamp'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [dependencies.transaction-payment]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
 package = 'pallet-transaction-payment'
-tag = 'v2.0.0-rc1'
-version = '2.0.0-rc1'
+tag = 'v2.0.0-rc2'
+version = '2.0.0-rc2'
 
 [features]
 default = ['std']
@@ -200,5 +200,5 @@ std = [
 [build-dependencies.wasm-builder-runner]
 git = 'https://github.com/paritytech/substrate.git'
 package = 'substrate-wasm-builder-runner'
-tag = 'v2.0.0-rc1'
+tag = 'v2.0.0-rc2'
 version = '1.0.5'