diff --git a/Cargo.lock b/Cargo.lock
index 9ae4f30..843f38d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -57,6 +57,12 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
 
+[[package]]
+name = "arrayvec"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8da52d66c7071e2e3fa2a1e5c6d088fec47b593032b254f5e980de8ea54454d6"
+
 [[package]]
 name = "async-trait"
 version = "0.1.68"
@@ -153,6 +159,17 @@ dependencies = [
  "byte-tools",
 ]
 
+[[package]]
+name = "bounded-collections"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07fbd1d11282a1eb134d3c3b7cf8ce213b5161c6e5f73fb1b98618482c606b64"
+dependencies = [
+ "log",
+ "parity-scale-codec 3.5.0",
+ "scale-info",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.13.0"
@@ -165,6 +182,12 @@ version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b0a5e3906bcbf133e33c1d4d95afc664ad37fbdb9f6568d8043e7ea8c27d93d3"
 
+[[package]]
+name = "byte-slice-cast"
+version = "1.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3ac9f8b63eca6fd385229b3675f6cc0dc5c8a5c8a54a59d4f52ffd670d87b0c"
+
 [[package]]
 name = "byte-tools"
 version = "0.3.1"
@@ -252,12 +275,6 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "245097e9a4535ee1e3e3931fcfcd55a796a44c643e8596ff6566d68f09b87bbc"
 
-[[package]]
-name = "convert_case"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6245d59a3e82a7fc217c5828a6692dbc6dfb63a0c8c90495621f7b9d79704a0e"
-
 [[package]]
 name = "core-foundation"
 version = "0.9.3"
@@ -309,16 +326,27 @@ dependencies = [
  "subtle 2.5.0",
 ]
 
+[[package]]
+name = "curve25519-dalek"
+version = "2.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4a9b85542f99a2dfa2a1b8e192662741c9859a846b296bef1c92ef9b58b5a216"
+dependencies = [
+ "byteorder",
+ "digest 0.8.1",
+ "rand_core 0.5.1",
+ "subtle 2.5.0",
+ "zeroize",
+]
+
 [[package]]
 name = "derive_more"
 version = "0.99.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4fb810d30a7c1953f91334de7244731fc3f3c10d7fe163338a35b9f640960321"
 dependencies = [
- "convert_case",
  "proc-macro2",
  "quote",
- "rustc_version",
  "syn 1.0.109",
 ]
 
@@ -368,6 +396,12 @@ dependencies = [
  "termcolor",
 ]
 
+[[package]]
+name = "environmental"
+version = "1.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e48c92028aaa870e83d51c64e5d4e0b6981b360c522198c23959f219a4e1b15b"
+
 [[package]]
 name = "errno"
 version = "0.3.1"
@@ -413,6 +447,15 @@ dependencies = [
  "static_assertions",
 ]
 
+[[package]]
+name = "fixed-hash"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "835c052cb0c08c1acf6ffd71c022172e18723949c8282f2b9f27efbc51e64534"
+dependencies = [
+ "static_assertions",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -610,9 +653,9 @@ dependencies = [
 
 [[package]]
 name = "hash-db"
-version = "0.15.2"
+version = "0.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d23bd4e7b5eda0d0f3a307e8b381fdc8ba9000f26fbe912250c0a4cc3956364a"
+checksum = "8e7d7786361d7425ae2fe4f9e407eb0efaa0840f5212d109cc018c40c35c6ab4"
 
 [[package]]
 name = "hash256-std-hasher"
@@ -829,11 +872,11 @@ dependencies = [
 
 [[package]]
 name = "impl-codec"
-version = "0.4.2"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1be51a921b067b0eaca2fad532d9400041561aa922221cc65f95a85641c6bf53"
+checksum = "ba6a270039626615617f3f36d15fc827041df3b78c439da2cadfa47455a77f2f"
 dependencies = [
- "parity-scale-codec",
+ "parity-scale-codec 3.5.0",
 ]
 
 [[package]]
@@ -847,6 +890,17 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "impl-trait-for-tuples"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "11d7a9f6330b71fea57921c9b61c47ee6e84f72d394754eff6163ae67e7395eb"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "indexmap"
 version = "1.9.3"
@@ -1029,6 +1083,18 @@ version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
+[[package]]
+name = "merlin"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4e261cf0f8b3c42ded9f7d2bb59dea03aa52bc8a1cbc7482f9fc3fd1229d3b42"
+dependencies = [
+ "byteorder",
+ "keccak",
+ "rand_core 0.5.1",
+ "zeroize",
+]
+
 [[package]]
 name = "mime"
 version = "0.3.17"
@@ -1233,46 +1299,53 @@ checksum = "a4b26b16c7687c3075982af47719e481815df30bc544f7a6690763a25ca16e9d"
 dependencies = [
  "arrayvec 0.5.2",
  "bitvec",
- "byte-slice-cast",
- "parity-scale-codec-derive",
+ "byte-slice-cast 0.3.5",
+ "parity-scale-codec-derive 1.2.3",
  "serde",
 ]
 
+[[package]]
+name = "parity-scale-codec"
+version = "3.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ddb756ca205bd108aee3c62c6d3c994e1df84a59b9d6d4a5ea42ee1fd5a9a28"
+dependencies = [
+ "arrayvec 0.7.2",
+ "byte-slice-cast 1.2.2",
+ "bytes 1.4.0",
+ "impl-trait-for-tuples 0.2.2",
+ "parity-scale-codec-derive 3.1.4",
+]
+
 [[package]]
 name = "parity-scale-codec-derive"
 version = "1.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c41512944b1faff334a5f1b9447611bf4ef40638ccb6328173dacefb338e878c"
 dependencies = [
- "proc-macro-crate",
+ "proc-macro-crate 0.1.5",
  "proc-macro2",
  "quote",
  "syn 1.0.109",
 ]
 
 [[package]]
-name = "parity-util-mem"
-version = "0.7.0"
+name = "parity-scale-codec-derive"
+version = "3.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "297ff91fa36aec49ce183484b102f6b75b46776822bd81525bfc4cc9b0dd0f5c"
+checksum = "86b26a931f824dd4eca30b3e43bb4f31cd5f0d3a403c5f5ff27106b805bfde7b"
 dependencies = [
- "cfg-if 0.1.10",
- "impl-trait-for-tuples",
- "parity-util-mem-derive",
- "primitive-types",
- "winapi 0.3.9",
+ "proc-macro-crate 1.3.1",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
 ]
 
 [[package]]
-name = "parity-util-mem-derive"
-version = "0.1.0"
+name = "paste"
+version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f557c32c6d268a07c921471619c0295f5efad3a0e76d4f97a05c091a51d110b2"
-dependencies = [
- "proc-macro2",
- "syn 1.0.109",
- "synstructure",
-]
+checksum = "9f746c4065a8fa3fe23974dd82f15431cc8d40779821001404d10d2e79ca7d79"
 
 [[package]]
 name = "percent-encoding"
@@ -1310,9 +1383,20 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7dd39dcacf71411ba488570da7bbc89b717225e46478b30ba99b92db6b149809"
 dependencies = [
- "fixed-hash",
+ "fixed-hash 0.6.1",
+ "uint 0.8.5",
+]
+
+[[package]]
+name = "primitive-types"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f3486ccba82358b11a77516035647c34ba167dfa53312630de83b12bd4f3d66"
+dependencies = [
+ "fixed-hash 0.8.0",
  "impl-codec",
- "uint",
+ "scale-info",
+ "uint 0.9.5",
 ]
 
 [[package]]
@@ -1324,6 +1408,16 @@ dependencies = [
  "toml",
 ]
 
+[[package]]
+name = "proc-macro-crate"
+version = "1.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f4c021e1093a56626774e81216a4ce732a735e5bad4868a03f3ed65ca0c3919"
+dependencies = [
+ "once_cell",
+ "toml_edit",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.59"
@@ -1534,15 +1628,6 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3e75f6a532d0fd9f7f13144f392b6ad56a32696bfcd9c78f797f16bbb6f072d6"
 
-[[package]]
-name = "rustc_version"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
-dependencies = [
- "semver",
-]
-
 [[package]]
 name = "rustix"
 version = "0.37.19"
@@ -1584,6 +1669,30 @@ version = "1.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f91339c0467de62360649f8d3e185ca8de4224ff281f66000de5eb2a77a79041"
 
+[[package]]
+name = "scale-info"
+version = "2.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b569c32c806ec3abdf3b5869fb8bf1e0d275a7c1c9b0b05603d9464632649edf"
+dependencies = [
+ "cfg-if 1.0.0",
+ "derive_more",
+ "parity-scale-codec 3.5.0",
+ "scale-info-derive",
+]
+
+[[package]]
+name = "scale-info-derive"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53012eae69e5aa5c14671942a5dd47de59d4cdcff8532a6dd0e081faf1119482"
+dependencies = [
+ "proc-macro-crate 1.3.1",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "schannel"
 version = "0.1.21"
@@ -1593,6 +1702,22 @@ dependencies = [
  "windows-sys 0.42.0",
 ]
 
+[[package]]
+name = "schnorrkel"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "021b403afe70d81eea68f6ea12f6b3c9588e5d536a94c3bf80f15e7faa267862"
+dependencies = [
+ "arrayref",
+ "arrayvec 0.5.2",
+ "curve25519-dalek",
+ "merlin",
+ "rand_core 0.5.1",
+ "sha2 0.8.2",
+ "subtle 2.5.0",
+ "zeroize",
+]
+
 [[package]]
 name = "scoped-tls"
 version = "1.0.1"
@@ -1611,9 +1736,9 @@ dependencies = [
 
 [[package]]
 name = "secrecy"
-version = "0.6.0"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9182278ed645df3477a9c27bfee0621c621aa16f6972635f7f795dae3d81070f"
+checksum = "9bd1c54ea06cfd2f6b63219704de0b9b4f72dcc2b8fdef820be6cd799780e91e"
 dependencies = [
  "zeroize",
 ]
@@ -1641,12 +1766,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "semver"
-version = "1.0.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
-
 [[package]]
 name = "serde"
 version = "1.0.163"
@@ -1762,24 +1881,27 @@ dependencies = [
 
 [[package]]
 name = "sp-core"
-version = "2.0.1"
+version = "21.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb1b8a5031e866ebee7535446915c83e8f676c68dcc8555f0c0f149ff4b48035"
+checksum = "f18d9e2f67d8661f9729f35347069ac29d92758b59135176799db966947a7336"
 dependencies = [
- "byteorder",
- "derive_more",
+ "bitflags",
+ "bounded-collections",
  "hash-db",
  "hash256-std-hasher",
  "log",
- "num-traits",
- "parity-scale-codec",
- "parity-util-mem",
- "primitive-types",
+ "merlin",
+ "parity-scale-codec 3.5.0",
+ "paste",
+ "primitive-types 0.12.1",
+ "scale-info",
+ "schnorrkel",
  "secrecy",
- "sp-debug-derive",
- "sp-runtime-interface",
- "sp-std",
- "sp-storage",
+ "sp-debug-derive 8.0.0",
+ "sp-runtime-interface 17.0.0",
+ "sp-std 8.0.0",
+ "sp-storage 13.0.0",
+ "ss58-registry",
  "zeroize",
 ]
 
@@ -1794,19 +1916,61 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "sp-debug-derive"
+version = "8.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7f531814d2f16995144c74428830ccf7d94ff4a7749632b83ad8199b181140c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.18",
+]
+
+[[package]]
+name = "sp-externalities"
+version = "0.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a0f71c671e01a8ca60da925d43a1b351b69626e268b8837f8371e320cf1dd100"
+dependencies = [
+ "environmental",
+ "parity-scale-codec 3.5.0",
+ "sp-std 8.0.0",
+ "sp-storage 13.0.0",
+]
+
 [[package]]
 name = "sp-runtime-interface"
 version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8fb6574401a7b5c89111b417efecbc9f0c3d38c2c539ce3a964b8393769c3e15"
 dependencies = [
- "parity-scale-codec",
- "primitive-types",
- "sp-runtime-interface-proc-macro",
- "sp-std",
- "sp-storage",
- "sp-tracing",
- "sp-wasm-interface",
+ "parity-scale-codec 1.3.7",
+ "primitive-types 0.7.3",
+ "sp-runtime-interface-proc-macro 2.0.1",
+ "sp-std 2.0.1",
+ "sp-storage 2.0.1",
+ "sp-tracing 2.0.1",
+ "sp-wasm-interface 2.0.1",
+ "static_assertions",
+]
+
+[[package]]
+name = "sp-runtime-interface"
+version = "17.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e676128182f90015e916f806cba635c8141e341e7abbc45d25525472e1bbce8"
+dependencies = [
+ "bytes 1.4.0",
+ "impl-trait-for-tuples 0.2.2",
+ "parity-scale-codec 3.5.0",
+ "primitive-types 0.12.1",
+ "sp-externalities",
+ "sp-runtime-interface-proc-macro 11.0.0",
+ "sp-std 8.0.0",
+ "sp-storage 13.0.0",
+ "sp-tracing 10.0.0",
+ "sp-wasm-interface 14.0.0",
  "static_assertions",
 ]
 
@@ -1817,28 +1981,59 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d724b1feca629bf958dc0db0453225e59d9b2098fe5a47f86cd964cbc116d89d"
 dependencies = [
  "Inflector",
- "proc-macro-crate",
+ "proc-macro-crate 0.1.5",
  "proc-macro2",
  "quote",
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "sp-runtime-interface-proc-macro"
+version = "11.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5d5bd5566fe5633ec48dfa35ab152fd29f8a577c21971e1c6db9f28afb9bbb9"
+dependencies = [
+ "Inflector",
+ "proc-macro-crate 1.3.1",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.18",
+]
+
 [[package]]
 name = "sp-std"
 version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2585fb8f5f4fde53c2f9ccebac4517da4dc435373a8fcaf5db7f54b798da66c2"
 
+[[package]]
+name = "sp-std"
+version = "8.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53458e3c57df53698b3401ec0934bea8e8cfce034816873c0b0abbd83d7bac0d"
+
 [[package]]
 name = "sp-storage"
 version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "781cc04c8d61c7bb1c269ca68d5d001fcaafbca8a21af46f87bf2e79a749c295"
 dependencies = [
- "parity-scale-codec",
+ "parity-scale-codec 1.3.7",
+ "ref-cast",
+ "sp-debug-derive 2.0.1",
+ "sp-std 2.0.1",
+]
+
+[[package]]
+name = "sp-storage"
+version = "13.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94294be83f11d4958cfea89ed5798f0b6605f5defc3a996948848458abbcc18e"
+dependencies = [
+ "parity-scale-codec 3.5.0",
  "ref-cast",
- "sp-debug-derive",
- "sp-std",
+ "sp-debug-derive 8.0.0",
+ "sp-std 8.0.0",
 ]
 
 [[package]]
@@ -1847,8 +2042,20 @@ version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c574a06ac032f3c6fc29ae61ae1292546499342219c256098914f6110312f6f4"
 dependencies = [
- "parity-scale-codec",
- "sp-std",
+ "parity-scale-codec 1.3.7",
+ "sp-std 2.0.1",
+ "tracing",
+ "tracing-core",
+]
+
+[[package]]
+name = "sp-tracing"
+version = "10.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "357f7591980dd58305956d32f8f6646d0a8ea9ea0e7e868e46f53b68ddf00cec"
+dependencies = [
+ "parity-scale-codec 3.5.0",
+ "sp-std 8.0.0",
  "tracing",
  "tracing-core",
 ]
@@ -1859,9 +2066,20 @@ version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "554daa08d61bb3bf2d81ac79b7ae089733339fc8fdc129dc21d074195f1219be"
 dependencies = [
- "impl-trait-for-tuples",
- "parity-scale-codec",
- "sp-std",
+ "impl-trait-for-tuples 0.1.3",
+ "parity-scale-codec 1.3.7",
+ "sp-std 2.0.1",
+]
+
+[[package]]
+name = "sp-wasm-interface"
+version = "14.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a19c122609ca5d8246be6386888596320d03c7bc880959eaa2c36bcd5acd6846"
+dependencies = [
+ "impl-trait-for-tuples 0.2.2",
+ "parity-scale-codec 3.5.0",
+ "sp-std 8.0.0",
 ]
 
 [[package]]
@@ -1870,6 +2088,20 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
+[[package]]
+name = "ss58-registry"
+version = "1.40.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eb47a8ad42e5fc72d5b1eb104a5546937eaf39843499948bb666d6e93c62423b"
+dependencies = [
+ "Inflector",
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_json",
+ "unicode-xid",
+]
+
 [[package]]
 name = "static_assertions"
 version = "1.1.0"
@@ -1910,18 +2142,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "synstructure"
-version = "0.12.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
- "unicode-xid",
-]
-
 [[package]]
 name = "tempfile"
 version = "3.5.0"
@@ -2051,6 +2271,23 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "toml_datetime"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a76a9312f5ba4c2dec6b9161fdf25d87ad8a09256ccea5a556fef03c706a10f"
+
+[[package]]
+name = "toml_edit"
+version = "0.19.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2380d56e8670370eee6566b0bfd4265f65b3f432e8c6d85623f728d4fa31f739"
+dependencies = [
+ "indexmap",
+ "toml_datetime",
+ "winnow",
+]
+
 [[package]]
 name = "tower-service"
 version = "0.3.2"
@@ -2124,6 +2361,18 @@ dependencies = [
  "static_assertions",
 ]
 
+[[package]]
+name = "uint"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76f64bba2c53b04fcab63c01a7d7427eadc821e3bc48c34dc9ba29c501164b52"
+dependencies = [
+ "byteorder",
+ "crunchy",
+ "hex",
+ "static_assertions",
+]
+
 [[package]]
 name = "unicode-bidi"
 version = "0.3.13"
@@ -2197,7 +2446,7 @@ dependencies = [
  "js-sys",
  "libsecp256k1 0.3.5",
  "log",
- "parity-scale-codec",
+ "parity-scale-codec 1.3.7",
  "rand 0.7.3",
  "regex",
  "reqwest",
@@ -2207,9 +2456,9 @@ dependencies = [
  "sha2 0.8.2",
  "sha3",
  "sp-core",
- "sp-runtime-interface",
- "sp-std",
- "sp-storage",
+ "sp-runtime-interface 2.0.1",
+ "sp-std 2.0.1",
+ "sp-storage 2.0.1",
  "thiserror",
  "tokio",
  "twox-hash",
@@ -2594,6 +2843,15 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
 
+[[package]]
+name = "winnow"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61de7bac303dc551fe038e2b3cef0f571087a47571ea6e79a87692ac99b99699"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "winreg"
 version = "0.10.1"
@@ -2637,3 +2895,17 @@ name = "zeroize"
 version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a0956f1ba7c7909bfb66c2e9e4124ab6f6482560f6628b5aaeba39207c9aad9"
+dependencies = [
+ "zeroize_derive",
+]
+
+[[package]]
+name = "zeroize_derive"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.18",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 56a5a33..41b6793 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,7 +36,7 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = { version = "1.0.53", features = ["preserve_order", "raw_value"] }
 sha2 = "0.8.1"
 sha3 = "0.8.2"
-sp-core = { version = "2.0.0-rc4", default-features = false }
+sp-core = { version = "21.0.0", default-features = false }
 sp-runtime-interface = { version = "2.0.0-rc4", default-features = false, features = ["disable_target_static_assertions" ]}
 sp-std = { version = "2.0.0-rc4", default-features = false }
 sp-storage = { version = "2.0.0-rc4", default-features = false }