Jcli evm mapping args (#3896)

* Add jcli option to generate and sign EVM mapping certificates.

CHANGELOG.md

@@ -28,6 +28,7 @@
 - Bump time from 0.3.7 to 0.3.9
 - Bump libc from 0.2.117 to 0.2.124
 - Bump rand from 0.8.4 to 0.8.5
+- Add jcli option to generate and sign EVM mapping certificates.
 
 ## Release 0.13.0
 

jcli/src/jcli_lib/certificate/mod.rs

@@ -1,3 +1,5 @@
+#[cfg(feature = "evm")]
+mod new_evm_mapping;
 mod new_owner_stake_delegation;
 mod new_stake_delegation;
 mod new_stake_pool_registration;
@@ -174,6 +176,9 @@ pub enum NewArgs {
     UpdateProposal(new_update_proposal::UpdateProposal),
     /// create a vote cast certificate
     VoteCast(new_vote_cast::VoteCastCmd),
+    #[cfg(feature = "evm")]
+    /// create an EVM address mapping certificate
+    EvmMapping(new_evm_mapping::EvmMapCmd),
 }
 
 #[derive(StructOpt)]
@@ -206,6 +211,8 @@ impl NewArgs {
             NewArgs::VoteCast(args) => args.exec()?,
             NewArgs::UpdateVote(args) => args.exec()?,
             NewArgs::UpdateProposal(args) => args.exec()?,
+            #[cfg(feature = "evm")]
+            NewArgs::EvmMapping(args) => args.exec()?,
         }
         Ok(())
     }

jcli/src/jcli_lib/certificate/new_evm_mapping.rs

@@ -0,0 +1,36 @@
+use crate::jcli_lib::{
+    certificate::{write_cert, Error},
+    utils::key_parser::parse_pub_key,
+};
+use chain_crypto::{Ed25519, PublicKey};
+use chain_impl_mockchain::{
+    certificate::{Certificate, EvmMapping},
+    evm::Address,
+};
+use jormungandr_lib::interfaces::Certificate as CertificateType;
+use std::path::PathBuf;
+use structopt::StructOpt;
+
+#[derive(StructOpt, Debug)]
+#[structopt(rename_all = "kebab-case")]
+pub struct EvmMapCmd {
+    /// jormungandr account id
+    #[structopt(name = "ACCOUNT_KEY", parse(try_from_str = parse_pub_key))]
+    account_id: PublicKey<Ed25519>,
+    /// hex encoded H160 address
+    evm_address: Address,
+    /// write the output to the given file or print it to the standard output if not defined
+    #[structopt(short = "o", long = "output")]
+    output: Option<PathBuf>,
+}
+
+impl EvmMapCmd {
+    pub fn exec(self) -> Result<(), Error> {
+        let content = EvmMapping {
+            account_id: self.account_id.into(),
+            evm_address: self.evm_address,
+        };
+        let cert = Certificate::EvmMapping(content);
+        write_cert(self.output.as_deref(), CertificateType(cert))
+    }
+}