--- a/smart_contract/ink-types-node-runtime/Cargo.toml
+++ b/smart_contract/ink-types-node-runtime/Cargo.toml
@@ -19,11 +19,11 @@
 
 [dependencies]
 ink_core = { version = "2", git = "https://github.com/paritytech/ink", tag = "latest-v2", package = "ink_core", default-features = false }
-frame-system = { git = "https://github.com/paritytech/substrate/", version = "2.0.0-alpha.6", package = "frame-system", default-features = false }
-pallet-indices = { git = "https://github.com/paritytech/substrate/", package = "pallet-indices", default-features = false }
-sp-core = { git = "https://github.com/paritytech/substrate/", version = "2.0.0-alpha.6", package = "sp-core", default-features = false }
-sp-io = { git = "https://github.com/paritytech/substrate/", version = "2.0.0-alpha.6", package = "sp-io", default-features = false, features = ["disable_panic_handler", "disable_oom", "disable_allocator"] }
-sp-runtime = { git = "https://github.com/paritytech/substrate/", version = "2.0.0-alpha.6", package = "sp-runtime", default-features = false }
+frame-system = { git = "https://github.com/paritytech/substrate/", tag = "v2.0.0-rc3", package = "frame-system", default-features = false }
+pallet-indices = { git = "https://github.com/paritytech/substrate/", tag = "v2.0.0-rc3", package = "pallet-indices", default-features = false }
+sp-core = { git = "https://github.com/paritytech/substrate/", tag = "v2.0.0-rc3", package = "sp-core", default-features = false }
+sp-io = { git = "https://github.com/paritytech/substrate/", tag = "v2.0.0-rc3", package = "sp-io", default-features = false, features = ["disable_panic_handler", "disable_oom", "disable_allocator"] }
+sp-runtime = { git = "https://github.com/paritytech/substrate/", tag = "v2.0.0-rc3", package = "sp-runtime", default-features = false }
 scale = { package = "parity-scale-codec", version = "1.3", default-features = false, features = ["derive"] }
 
 [dependencies.type-metadata]
--- a/smart_contract/ink-types-node-runtime/examples/calls/Cargo.lock
+++ b/smart_contract/ink-types-node-runtime/examples/calls/Cargo.lock
@@ -22,18 +22,18 @@
 
 [[package]]
 name = "addr2line"
-version = "0.12.2"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "602d785912f476e480434627e8732e6766b760c045bbf897d9dfaa9f4fbd399c"
+checksum = "1b6a2d3371669ab3ca9797670853d61402b03d0b4b9ebf33d677dfa720203072"
 dependencies = [
  "gimli",
 ]
 
 [[package]]
-name = "adler32"
-version = "1.1.0"
+name = "adler"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "567b077b825e468cc974f0020d4082ee6e03132512f207ef1a02fd5d00d1f32d"
+checksum = "ee2a4ec343196209d6594e19543ae87a39f96d5534d7174822a3ad825dd6ed7e"
 
 [[package]]
 name = "ahash"
@@ -88,9 +88,9 @@
 
 [[package]]
 name = "backtrace"
-version = "0.3.49"
+version = "0.3.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05100821de9e028f12ae3d189176b41ee198341eb8f369956407fea2f5cc666c"
+checksum = "46254cf2fdcdf1badb5934448c1bcbe046a56537b3987d96c51a7afc5d03f293"
 dependencies = [
  "addr2line",
  "cfg-if",
@@ -194,9 +194,9 @@
 
 [[package]]
 name = "cc"
-version = "1.0.56"
+version = "1.0.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77c1f1d60091c1b73e2b1f4560ab419204b178e625fa945ded7b660becd2bd46"
+checksum = "f9a06fb2e53271d7c279ec1efea6ab691c35a2ae67ec0d91d7acec0caf13b518"
 
 [[package]]
 name = "cfg-if"
@@ -363,8 +363,8 @@
 
 [[package]]
 name = "frame-metadata"
-version = "11.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "11.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "parity-scale-codec",
  "serde",
@@ -374,8 +374,8 @@
 
 [[package]]
 name = "frame-support"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "bitmask",
  "frame-metadata",
@@ -399,8 +399,8 @@
 
 [[package]]
 name = "frame-support-procedural"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "frame-support-procedural-tools",
  "proc-macro2",
@@ -410,8 +410,8 @@
 
 [[package]]
 name = "frame-support-procedural-tools"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "frame-support-procedural-tools-derive",
  "proc-macro-crate",
@@ -422,8 +422,8 @@
 
 [[package]]
 name = "frame-support-procedural-tools-derive"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -432,8 +432,8 @@
 
 [[package]]
 name = "frame-system"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "frame-support",
  "impl-trait-for-tuples",
@@ -564,9 +564,9 @@
 
 [[package]]
 name = "gimli"
-version = "0.21.0"
+version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bcc8e0c9bce37868955864dbecd2b1ab2bdf967e6f28066d65aaac620444b65c"
+checksum = "aaf91faf136cb47367fa430cd46e37a788775e7fa104f8b4bcb3861dc389b724"
 
 [[package]]
 name = "hash-db"
@@ -604,9 +604,9 @@
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.14"
+version = "0.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9586eedd4ce6b3c498bc3b4dd92fc9f11166aa908a914071953768066c67909"
+checksum = "3deed196b6e7f9e44a2ae8d94225d80302d81208b1bb673fd21fe634645c85a9"
 dependencies = [
  "libc",
 ]
@@ -845,9 +845,9 @@
 
 [[package]]
 name = "libc"
-version = "0.2.71"
+version = "0.2.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9457b06509d27052635f90d6466700c65095fdf75409b3fbdd903e988b886f49"
+checksum = "a9f8082297d534141b30c8d39e9b1773713ab50fdbe4ff30f750d063b3bfd701"
 
 [[package]]
 name = "libsecp256k1"
@@ -891,9 +891,9 @@
 
 [[package]]
 name = "memory-db"
-version = "0.21.0"
+version = "0.20.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb2999ff7a65d5a1d72172f6d51fa2ea03024b51aee709ba5ff81c3c629a2410"
+checksum = "be512cb2ccb4ecbdca937fdd4a62ea5f09f8e7195466a85e4632b3d5bcce82e6"
 dependencies = [
  "ahash",
  "hash-db",
@@ -927,11 +927,11 @@
 
 [[package]]
 name = "miniz_oxide"
-version = "0.3.7"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "791daaae1ed6889560f8c4359194f56648355540573244a5448a83ba1ecc7435"
+checksum = "be0f75932c1f6cfae3c04000e40114adf955636e19040f9c0a2c380702aa1c7f"
 dependencies = [
- "adler32",
+ "adler",
 ]
 
 [[package]]
@@ -1015,8 +1015,8 @@
 
 [[package]]
 name = "pallet-indices"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -1184,9 +1184,9 @@
 
 [[package]]
 name = "proc-macro-crate"
-version = "0.1.4"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e10d4b51f154c8a7fb96fd6dad097cb74b863943ec010ac94b9fd1be8861fe1e"
+checksum = "1d6ea3c4595b96363c13943497db34af4460fb474a95c43f4446ad341b8c9785"
 dependencies = [
  "toml",
 ]
@@ -1280,9 +1280,9 @@
 
 [[package]]
 name = "redox_syscall"
-version = "0.1.56"
+version = "0.1.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
+checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
 
 [[package]]
 name = "ref-cast"
@@ -1321,27 +1321,6 @@
 version = "0.6.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "26412eb97c6b088a6997e05f69403a802a92d520de2f8e63c2b65f9e0f47c4e8"
-
-[[package]]
-name = "rental"
-version = "0.5.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8545debe98b2b139fb04cad8618b530e9b07c152d99a5de83c860b877d67847f"
-dependencies = [
- "rental-impl",
- "stable_deref_trait",
-]
-
-[[package]]
-name = "rental-impl"
-version = "0.5.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "475e68978dc5b743f2f40d8e0a8fdc83f1c5e78cbf4b8fa5e74e73beebc340de"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
 
 [[package]]
 name = "rustc-demangle"
@@ -1442,14 +1421,14 @@
 
 [[package]]
 name = "smallvec"
-version = "1.4.0"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7cb5678e1615754284ec264d9bb5b4c27d2018577fd90ac0ceb578591ed5ee4"
+checksum = "3757cb9d89161a2f24e1cf78efa0c1fcff485d18e3f55e0aa3480824ddaa0f3f"
 
 [[package]]
 name = "sp-application-crypto"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "parity-scale-codec",
  "serde",
@@ -1460,8 +1439,8 @@
 
 [[package]]
 name = "sp-arithmetic"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "integer-sqrt",
  "num-traits",
@@ -1473,8 +1452,8 @@
 
 [[package]]
 name = "sp-core"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "base58",
  "blake2-rfc",
@@ -1515,8 +1494,8 @@
 
 [[package]]
 name = "sp-debug-derive"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1525,8 +1504,8 @@
 
 [[package]]
 name = "sp-externalities"
-version = "0.8.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "environmental",
  "parity-scale-codec",
@@ -1536,8 +1515,8 @@
 
 [[package]]
 name = "sp-inherents"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "derive_more",
  "parity-scale-codec",
@@ -1548,8 +1527,8 @@
 
 [[package]]
 name = "sp-io"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "futures",
  "hash-db",
@@ -1562,15 +1541,14 @@
  "sp-runtime-interface",
  "sp-state-machine",
  "sp-std",
- "sp-tracing",
  "sp-trie",
  "sp-wasm-interface",
 ]
 
 [[package]]
 name = "sp-keyring"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "lazy_static",
  "sp-core",
@@ -1580,8 +1558,8 @@
 
 [[package]]
 name = "sp-panic-handler"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "backtrace",
  "log",
@@ -1589,10 +1567,9 @@
 
 [[package]]
 name = "sp-runtime"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
- "either",
  "hash256-std-hasher",
  "impl-trait-for-tuples",
  "log",
@@ -1611,8 +1588,8 @@
 
 [[package]]
 name = "sp-runtime-interface"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "parity-scale-codec",
  "primitive-types",
@@ -1626,8 +1603,8 @@
 
 [[package]]
 name = "sp-runtime-interface-proc-macro"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "Inflector",
  "proc-macro-crate",
@@ -1638,17 +1615,15 @@
 
 [[package]]
 name = "sp-state-machine"
-version = "0.8.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "hash-db",
- "itertools",
  "log",
  "num-traits",
  "parity-scale-codec",
  "parking_lot",
  "rand",
- "smallvec",
  "sp-core",
  "sp-externalities",
  "sp-panic-handler",
@@ -1659,13 +1634,13 @@
 
 [[package]]
 name = "sp-std"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 
 [[package]]
 name = "sp-storage"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "impl-serde 0.2.3",
  "ref-cast",
@@ -1676,18 +1651,16 @@
 
 [[package]]
 name = "sp-tracing"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
- "log",
- "rental",
  "tracing",
 ]
 
 [[package]]
 name = "sp-trie"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "hash-db",
  "memory-db",
@@ -1700,8 +1673,8 @@
 
 [[package]]
 name = "sp-version"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "impl-serde 0.2.3",
  "parity-scale-codec",
@@ -1712,8 +1685,8 @@
 
 [[package]]
 name = "sp-wasm-interface"
-version = "2.0.0-alpha.6"
-source = "git+https://github.com/paritytech/substrate/#329d538781390cb896692f03e966e159b7602e9f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate/?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "impl-trait-for-tuples",
  "parity-scale-codec",
@@ -1722,12 +1695,6 @@
 ]
 
 [[package]]
-name = "stable_deref_trait"
-version = "1.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
-
-[[package]]
 name = "static_assertions"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1780,9 +1747,9 @@
 
 [[package]]
 name = "syn"
-version = "1.0.33"
+version = "1.0.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8d5d96e8cbb005d6959f119f773bfaebb5684296108fb32600c00cde305b2cd"
+checksum = "936cae2873c940d92e697597c5eee105fb570cd5689c695806f672883653349b"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1852,9 +1819,9 @@
 
 [[package]]
 name = "tracing"
-version = "0.1.15"
+version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a41f40ed0e162c911ac6fcb53ecdc8134c46905fdbbae8c50add462a538b495f"
+checksum = "c2e2a2de6b0d5cbb13fc21193a2296888eaab62b6044479aafb3c54c01c29fcd"
 dependencies = [
  "cfg-if",
  "tracing-attributes",
@@ -1863,9 +1830,9 @@
 
 [[package]]
 name = "tracing-attributes"
-version = "0.1.8"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99bbad0de3fd923c9c3232ead88510b783e5a4d16a6154adffa3d53308de984c"
+checksum = "f0693bf8d6f2bf22c690fc61a9d21ac69efdbb894a17ed596b9af0f01e64b84b"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1874,18 +1841,18 @@
 
 [[package]]
 name = "tracing-core"
-version = "0.1.10"
+version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0aa83a9a47081cd522c09c81b31aec2c9273424976f922ad61c053b58350b715"
+checksum = "94ae75f0d28ae10786f3b1895c55fe72e79928fd5ccdebb5438c75e93fec178f"
 dependencies = [
  "lazy_static",
 ]
 
 [[package]]
 name = "trie-db"
-version = "0.21.0"
+version = "0.20.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb230c24c741993b04cfccbabb45acff6f6480c5f00d3ed8794ea43db3a9d727"
+checksum = "bcc309f34008563989045a4c4dbcc5770467f3a3785ee80a9b5cc0d83362475f"
 dependencies = [
  "hash-db",
  "hashbrown",
--- a/smart_contract/ink-types-node-runtime/examples/calls/Cargo.toml
+++ b/smart_contract/ink-types-node-runtime/examples/calls/Cargo.toml
@@ -12,7 +12,7 @@
 ink_prelude = { version = "2", git = "https://github.com/paritytech/ink", tag = "latest-v2", package = "ink_prelude", default-features = false }
 
 scale = { package = "parity-scale-codec", version = "1.3", default-features = false, features = ["derive"] }
-sp-keyring = { git = "https://github.com/paritytech/substrate/", package = "sp-keyring", optional = true }
+sp-keyring = { git = "https://github.com/paritytech/substrate/", tag = "v2.0.0-rc3", package = "sp-keyring", optional = true }
 ink_types_node_runtime = { path = "../../", default-features = false }
 
 [dependencies.type-metadata]
--- a/smart_contract/ink-types-node-runtime/examples/calls/lib.rs
+++ b/smart_contract/ink-types-node-runtime/examples/calls/lib.rs
@@ -4,8 +4,8 @@
 
 #[ink::contract(version = "0.1.0", env = NodeRuntimeTypes)]
 mod calls {
-    use ink_core::env;
-    use ink_prelude::*;
+    // use ink_core::env;
+    // use ink_prelude::*;
     use ink_types_node_runtime::{calls as runtime_calls, NodeRuntimeTypes};
 
     /// This simple dummy contract dispatches substrate runtime calls
@@ -26,10 +26,10 @@
 
             // report result to console
             // NOTE: println should only be used on a development chain)
-            env::println(&format!(
-                "Balance transfer invoke_runtime result {:?}",
-                result
-            ));
+            // env::println(&format!(
+            //     "Balance transfer invoke_runtime result {:?}",
+            //     result
+            // ));
         }
     }