Add account-decoder utilities (#10846)

* Fix comment and make less pub

* Add account-decoder crate and use to decode vote and system (nonce) accounts

* Update docs

* Rename RpcAccount struct

* s/Rpc/Display

* Call it jsonParsed and update docs

* Revert "s/Rpc/Display"

This reverts commit 6e7149f503.

* s/Rpc/Ui

* Add tests

* Ui more things

* Comments

cli/Cargo.toml

@@ -27,6 +27,7 @@ reqwest = { version = "0.10.6", default-features = false, features = ["blocking"
 serde = "1.0.112"
 serde_derive = "1.0.103"
 serde_json = "1.0.54"
+solana-account-decoder = { path = "../account-decoder", version = "1.3.0" }
 solana-budget-program = { path = "../programs/budget", version = "1.3.0" }
 solana-clap-utils = { path = "../clap-utils", version = "1.3.0" }
 solana-cli-config = { path = "../cli-config", version = "1.3.0" }

cli/src/cli.rs

@@ -15,6 +15,7 @@ use clap::{App, AppSettings, Arg, ArgMatches, SubCommand};
 use log::*;
 use num_traits::FromPrimitive;
 use serde_json::{self, json, Value};
+use solana_account_decoder::{UiAccount, UiAccountEncoding};
 use solana_budget_program::budget_instruction::{self, BudgetError};
 use solana_clap_utils::{
     commitment::commitment_arg_with_default, input_parsers::*, input_validators::*,
@@ -24,7 +25,7 @@ use solana_client::{
     client_error::{ClientError, ClientErrorKind, Result as ClientResult},
     rpc_client::RpcClient,
     rpc_config::{RpcLargestAccountsFilter, RpcSendTransactionConfig},
-    rpc_response::{RpcAccount, RpcKeyedAccount},
+    rpc_response::RpcKeyedAccount,
 };
 #[cfg(not(test))]
 use solana_faucet::faucet::request_airdrop_transaction;
@@ -1225,7 +1226,7 @@ fn process_show_account(
     let cli_account = CliAccount {
         keyed_account: RpcKeyedAccount {
             pubkey: account_pubkey.to_string(),
-            account: RpcAccount::encode(account),
+            account: UiAccount::encode(account, UiAccountEncoding::Binary),
         },
         use_lamports_unit,
     };

cli/src/offline/blockhash_query.rs

@@ -111,9 +111,10 @@ mod tests {
     use crate::{nonce::nonce_arg, offline::blockhash_query::BlockhashQuery};
     use clap::App;
     use serde_json::{self, json, Value};
+    use solana_account_decoder::{UiAccount, UiAccountEncoding};
     use solana_client::{
         rpc_request::RpcRequest,
-        rpc_response::{Response, RpcAccount, RpcFeeCalculator, RpcResponseContext},
+        rpc_response::{Response, RpcFeeCalculator, RpcResponseContext},
     };
     use solana_sdk::{
         account::Account, fee_calculator::FeeCalculator, hash::hash, nonce, system_program,
@@ -349,7 +350,7 @@ mod tests {
         )
         .unwrap();
         let nonce_pubkey = Pubkey::new(&[4u8; 32]);
-        let rpc_nonce_account = RpcAccount::encode(nonce_account);
+        let rpc_nonce_account = UiAccount::encode(nonce_account, UiAccountEncoding::Binary);
         let get_account_response = json!(Response {
             context: RpcResponseContext { slot: 1 },
             value: json!(Some(rpc_nonce_account)),