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mod json_rpc_interface;
mod storage_interface;
pub use crate::storage_interface::DBDebuggerInterface;
pub use json_rpc_interface::JsonRpcDebuggerInterface;
use anyhow::{anyhow, Result};
use diem_state_view::StateView;
use diem_types::{
access_path::AccessPath,
account_address::AccountAddress,
account_config,
account_state::AccountState,
contract_event::EventWithProof,
event::EventKey,
on_chain_config::ValidatorSet,
transaction::{Transaction, Version},
};
use move_binary_format::file_format::CompiledModule;
pub trait DiemValidatorInterface: Sync {
fn get_account_state_by_version(
&self,
account: AccountAddress,
version: Version,
) -> Result<Option<AccountState>>;
fn get_events(&self, key: &EventKey, start_seq: u64, limit: u64)
-> Result<Vec<EventWithProof>>;
fn get_committed_transactions(&self, start: Version, limit: u64) -> Result<Vec<Transaction>>;
fn get_latest_version(&self) -> Result<Version>;
fn get_version_by_account_sequence(
&self,
account: AccountAddress,
seq: u64,
) -> Result<Option<Version>>;
fn get_diem_framework_modules_by_version(
&self,
version: Version,
) -> Result<Vec<CompiledModule>> {
let mut acc = vec![];
for module_bytes in self
.get_account_state_by_version(account_config::CORE_CODE_ADDRESS, version)?
.ok_or_else(|| anyhow!("Failure reading diem root address state"))?
.get_modules()
{
acc.push(
CompiledModule::deserialize(module_bytes)
.map_err(|e| anyhow!("Failure deserializing module: {:?}", e))?,
)
}
Ok(acc)
}
fn get_admin_accounts(&self, version: Version) -> Result<Vec<(AccountAddress, AccountState)>> {
let mut result = vec![];
let diem_root = self
.get_account_state_by_version(account_config::diem_root_address(), version)?
.ok_or_else(|| anyhow!("diem_root_address doesn't exist"))?;
let validators = diem_root
.get_config::<ValidatorSet>()?
.ok_or_else(|| anyhow!("validator_config doesn't exist"))?;
result.push((
account_config::CORE_CODE_ADDRESS,
self.get_account_state_by_version(account_config::CORE_CODE_ADDRESS, version)?
.ok_or_else(|| anyhow!("core_code_address doesn't exist"))?,
));
result.push((account_config::diem_root_address(), diem_root));
result.push((
account_config::treasury_compliance_account_address(),
self.get_account_state_by_version(
account_config::treasury_compliance_account_address(),
version,
)?
.ok_or_else(|| anyhow!("treasury_compliance_account doesn't exist"))?,
));
for validator_info in validators.payload() {
let addr = *validator_info.account_address();
result.push((
addr,
self.get_account_state_by_version(addr, version)?
.ok_or_else(|| anyhow!("validator {:?} doesn't exist", addr))?,
));
}
Ok(result)
}
}
pub struct DebuggerStateView<'a> {
db: &'a dyn DiemValidatorInterface,
version: Version,
}
impl<'a> DebuggerStateView<'a> {
pub fn new(db: &'a dyn DiemValidatorInterface, version: Version) -> Self {
Self { db, version }
}
}
impl<'a> StateView for DebuggerStateView<'a> {
fn get(&self, access_path: &AccessPath) -> Result<Option<Vec<u8>>> {
if self.version == 0 {
return Ok(None);
}
Ok(
match self
.db
.get_account_state_by_version(access_path.address, self.version - 1)?
{
Some(blob) => blob.get(&access_path.path).cloned(),
None => None,
},
)
}
fn is_genesis(&self) -> bool {
false
}
}