add serai rpc methods

Cargo.lock

@@ -8347,14 +8347,19 @@ dependencies = [
 name = "serai-node"
 version = "0.1.0"
 dependencies = [
+ "bitcoin-serai",
+ "ciphersuite",
  "clap",
+ "curve25519-dalek",
  "frame-benchmarking",
  "futures-util",
  "hex",
  "jsonrpsee",
  "libp2p",
  "log",
+ "monero-wallet",
  "pallet-transaction-payment-rpc",
+ "parity-scale-codec",
  "rand_core",
  "sc-authority-discovery",
  "sc-basic-authorship",
@@ -8375,6 +8380,7 @@ dependencies = [
  "schnorrkel",
  "serai-env",
  "serai-runtime",
+ "serde",
  "sp-api",
  "sp-block-builder",
  "sp-blockchain",
@@ -8600,6 +8606,7 @@ dependencies = [
  "serai-dex-pallet",
  "serai-primitives",
  "serai-validator-sets-primitives",
+ "sp-api",
  "sp-application-crypto",
  "sp-core",
  "sp-io",