Newer
Older
// Copyright 2018-2020 Parity Technologies (UK) Ltd.
// This file is part of cargo-contract.
//
// cargo-contract is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// cargo-contract is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with cargo-contract. If not, see <http://www.gnu.org/licenses/>.
use super::{
display_contract_exec_result,
display_events,
load_metadata,
parse_balance,
wait_for_success_and_handle_error,
Balance,
ContractMessageTranscoder,
ExtrinsicOpts,
PairSigner,
RuntimeApi,
EXEC_RESULT_MAX_KEY_COL_WIDTH,
};
use crate::name_value_println;
use anyhow::Result;
use jsonrpsee::{
core::client::ClientT,
rpc_params,
ws_client::WsClientBuilder,
};
use serde::Serialize;
use sp_core::Bytes;
use std::fmt::Debug;
use subxt::{
rpc::NumberOrHex,
ClientBuilder,
Config,
DefaultConfig,
};
type ContractExecResult = pallet_contracts_primitives::ContractExecResult<Balance>;
#[derive(Debug, clap::Args)]
#[clap(name = "call", about = "Call a contract")]
pub struct CallCommand {
/// The address of the the contract to call.
#[clap(name = "contract", long, env = "CONTRACT")]
contract: <DefaultConfig as Config>::AccountId,
/// The name of the contract message to call.
message: String,
/// The arguments of the contract message to call.
#[clap(long, multiple_values = true)]
args: Vec<String>,
extrinsic_opts: ExtrinsicOpts,
/// Maximum amount of gas to be used for this command.
#[clap(name = "gas", long, default_value = "50000000000")]
gas_limit: u64,
/// The value to be transferred as part of the call.
#[clap(name = "value", long, parse(try_from_str = parse_balance), default_value = "0")]
value: Balance,
}
impl CallCommand {
pub fn run(&self) -> Result<()> {
let (_, contract_metadata) =
load_metadata(self.extrinsic_opts.manifest_path.as_ref())?;
let transcoder = ContractMessageTranscoder::new(&contract_metadata);
let call_data = transcoder.encode(&self.message, &self.args)?;
Sasha Gryaznov
committed
log::debug!("message data: {:?}", hex::encode(&call_data));
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
let signer = super::pair_signer(self.extrinsic_opts.signer()?);
async_std::task::block_on(async {
if self.extrinsic_opts.dry_run {
self.call_rpc(call_data, &signer, &transcoder).await
} else {
self.call(call_data, &signer, &transcoder).await
}
})
}
async fn call_rpc(
&self,
data: Vec<u8>,
signer: &PairSigner,
transcoder: &ContractMessageTranscoder<'_>,
) -> Result<()> {
let url = self.extrinsic_opts.url.to_string();
let cli = WsClientBuilder::default().build(&url).await?;
let storage_deposit_limit = self
.extrinsic_opts
.storage_deposit_limit
.as_ref()
.map(|limit| NumberOrHex::Hex((*limit).into()));
let call_request = RpcCallRequest {
origin: signer.account_id().clone(),
dest: self.contract.clone(),
value: NumberOrHex::Hex(self.value.into()),
gas_limit: NumberOrHex::Number(self.gas_limit),
storage_deposit_limit,
input_data: Bytes(data),
};
let params = rpc_params![call_request];
let result: ContractExecResult = cli.request("contracts_call", params).await?;
match result.result {
Ok(ref ret_val) => {
let value =
transcoder.decode_return(&self.message, &mut &ret_val.data.0[..])?;
name_value_println!(
"Result",
String::from("Success!"),
EXEC_RESULT_MAX_KEY_COL_WIDTH
);
name_value_println!(
"Reverted",
format!("{:?}", ret_val.did_revert()),
EXEC_RESULT_MAX_KEY_COL_WIDTH
);
name_value_println!(
"Data",
format!("{}", value),
EXEC_RESULT_MAX_KEY_COL_WIDTH
);
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
}
Err(err) => {
name_value_println!(
"Result",
format!("Error: {:?}", err),
EXEC_RESULT_MAX_KEY_COL_WIDTH
);
}
}
display_contract_exec_result(&result)?;
Ok(())
}
async fn call(
&self,
data: Vec<u8>,
signer: &PairSigner,
transcoder: &ContractMessageTranscoder<'_>,
) -> Result<()> {
let url = self.extrinsic_opts.url.to_string();
let api = ClientBuilder::new()
.set_url(&url)
.build()
.await?
.to_runtime_api::<RuntimeApi>();
log::debug!("calling contract {:?}", self.contract);
let tx_progress = api
.tx()
.contracts()
.call(
self.contract.clone().into(),
self.value,
self.gas_limit,
self.extrinsic_opts.storage_deposit_limit,
data,
)
.sign_and_submit_then_watch_default(signer)
.await?;
let result = wait_for_success_and_handle_error(tx_progress).await?;
display_events(
&result,
transcoder,
api.client.metadata(),
&self.extrinsic_opts.verbosity()?,
)
}
}
/// A struct that encodes RPC parameters required for a call to a smart contract.
/// Copied from `pallet-contracts-rpc`.
#[derive(Serialize)]
#[serde(rename_all = "camelCase")]
pub struct RpcCallRequest {
origin: <DefaultConfig as Config>::AccountId,
dest: <DefaultConfig as Config>::AccountId,
value: NumberOrHex,
gas_limit: NumberOrHex,
storage_deposit_limit: Option<NumberOrHex>,
input_data: Bytes,
}