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Change over to new FromJson API.

This commit is contained in:
Gav Wood 2016-01-14 21:58:37 +01:00
parent d3091b95c3
commit 6eea05d255
9 changed files with 88 additions and 89 deletions
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12
src/builtin.rs
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@ -39,6 +39,12 @@ impl Builtin {
})
}
/// Simple forwarder for cost.
pub fn cost(&self, s: usize) -> U256 { (*self.cost)(s) }
/// Simple forwarder for execute.
pub fn execute(&self, input: &[u8], output: &mut[u8]) { (*self.execute)(input, output); }
/// Create a builtin from JSON.
///
/// JSON must be of the form `{ "name": "identity", "linear": {"base": 10, "word": 20} }`.
@ -55,12 +61,6 @@ impl Builtin {
}
None
}
/// Simple forwarder for cost.
pub fn cost(&self, s: usize) -> U256 { (*self.cost)(s) }
/// Simple forwarder for execute.
pub fn execute(&self, input: &[u8], output: &mut[u8]) { (*self.execute)(input, output); }
}
pub fn copy_to(src: &[u8], dest: &mut[u8]) {

10
src/env_info.rs
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@ -36,15 +36,17 @@ impl EnvInfo {
gas_used: x!(0),
}
}
}
pub fn from_json(json: &Json) -> EnvInfo {
let current_number = u64_from_json(&json["currentNumber"]);
impl FromJson for EnvInfo {
fn from_json(json: &Json) -> EnvInfo {
let current_number: u64 = xjson!(&json["currentNumber"]);
EnvInfo {
number: current_number,
author: address_from_json(&json["currentCoinbase"]),
author: xjson!(&json["currentCoinbase"]),
difficulty: xjson!(&json["currentDifficulty"]),
gas_limit: xjson!(&json["currentGasLimit"]),
timestamp: u64_from_json(&json["currentTimestamp"]),
timestamp: xjson!(&json["currentTimestamp"]),
last_hashes: (1..257).map(|i| format!("{}", current_number - i).as_bytes().sha3()).collect(),
gas_used: x!(0),
}

22
src/log_entry.rs
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@ -28,16 +28,6 @@ impl LogEntry {
}
}
/// Convert given JSON object to a LogEntry.
pub fn from_json(json: &Json) -> LogEntry {
// TODO: check bloom.
LogEntry {
address: address_from_json(&json["address"]),
topics: vec_h256_from_json(&json["topics"]),
data: bytes_from_json(&json["data"]),
}
}
/// Returns reference to address.
pub fn address(&self) -> &Address {
&self.address
@ -59,6 +49,18 @@ impl LogEntry {
}
}
impl FromJson for LogEntry {
/// Convert given JSON object to a LogEntry.
fn from_json(json: &Json) -> LogEntry {
// TODO: check bloom.
LogEntry {
address: xjson!(&json["address"]),
topics: xjson!(&json["topics"]),
data: xjson!(&json["data"]),
}
}
}
#[cfg(test)]
mod tests {
use util::*;

20
src/pod_state.rs
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@ -8,13 +8,21 @@ impl PodState {
/// Contruct a new object from the `m`.
pub fn new(m: BTreeMap<Address, PodAccount>) -> PodState { PodState(m) }
/// Get the underlying map.
pub fn get(&self) -> &BTreeMap<Address, PodAccount> { &self.0 }
/// Drain object to get the underlying map.
pub fn drain(self) -> BTreeMap<Address, PodAccount> { self.0 }
}
impl FromJson for PodState {
/// Translate the JSON object into a hash map of account information ready for insertion into State.
pub fn from_json(json: &Json) -> PodState {
fn from_json(json: &Json) -> PodState {
PodState(json.as_object().unwrap().iter().fold(BTreeMap::new(), |mut state, (address, acc)| {
let balance = acc.find("balance").map(&U256::from_json);
let nonce = acc.find("nonce").map(&U256::from_json);
let storage = acc.find("storage").map(&map_h256_h256_from_json);;
let code = acc.find("code").map(&bytes_from_json);
let storage = acc.find("storage").map(&BTreeMap::from_json);
let code = acc.find("code").map(&Bytes::from_json);
if balance.is_some() || nonce.is_some() || storage.is_some() || code.is_some() {
state.insert(address_from_hex(address), PodAccount{
balance: balance.unwrap_or(U256::zero()),
@ -26,12 +34,6 @@ impl PodState {
state
}))
}
/// Get the underlying map.
pub fn get(&self) -> &BTreeMap<Address, PodAccount> { &self.0 }
/// Drain object to get the underlying map.
pub fn drain(self) -> BTreeMap<Address, PodAccount> { self.0 }
}
impl fmt::Display for PodState {

9
src/spec.rs
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@ -148,9 +148,11 @@ impl Spec {
ret.append_raw(&empty_list, 1);
ret.out()
}
}
impl FromJson for Spec {
/// Loads a chain-specification from a json data structure
pub fn from_json(json: Json) -> Spec {
fn from_json(json: &Json) -> Spec {
// once we commit ourselves to some json parsing library (serde?)
// move it to proper data structure
let mut state = HashMap::new();
@ -210,7 +212,9 @@ impl Spec {
state_root_memo: RwLock::new(genesis.find("stateRoot").and_then(|_| genesis["stateRoot"].as_string()).map(|s| H256::from_str(&s[2..]).unwrap())),
}
}
}
impl Spec {
/// Ensure that the given state DB has the trie nodes in for the genesis state.
pub fn ensure_db_good(&self, db: &mut HashDB) {
if !db.contains(&self.state_root()) {
@ -229,8 +233,7 @@ impl Spec {
/// Create a new Spec from a JSON string.
pub fn from_json_str(s: &str) -> Spec {
let json = Json::from_str(s).expect("Json is invalid");
Self::from_json(json)
Self::from_json(&Json::from_str(s).expect("Json is invalid"))
}
/// Create a new Spec which conforms to the Morden chain except that it's a NullEngine consensus.

38
src/tests/executive.rs
View File

@ -170,24 +170,19 @@ fn do_json_test(json_data: &[u8]) -> Vec<String> {
test.find("pre").map(|pre| for (addr, s) in pre.as_object().unwrap() {
let address = Address::from(addr.as_ref());
let balance = xjson!(&s["balance"]);
let code = bytes_from_json(&s["code"]);
let code = xjson!(&s["code"]);
let _nonce: U256 = xjson!(&s["nonce"]);
state.new_contract(&address);
state.add_balance(&address, &balance);
state.init_code(&address, code);
for (k, v) in s["storage"].as_object().unwrap() {
let key = H256::from(&u256_from_str(k));
let val = H256::from(&U256::from_json(v));
state.set_storage(&address, key, val);
}
BTreeMap::from_json(&s["storage"]).into_iter().foreach(|(k, v)| state.set_storage(&address, k, v));
});
let mut info = EnvInfo::new();
test.find("env").map(|env| {
info.author = address_from_json(&env["currentCoinbase"]);
info.author = xjson!(&env["currentCoinbase"]);
info.difficulty = xjson!(&env["currentDifficulty"]);
info.gas_limit = xjson!(&env["currentGasLimit"]);
info.number = xjson!(&env["currentNumber"]);
@ -199,11 +194,11 @@ fn do_json_test(json_data: &[u8]) -> Vec<String> {
// params
let mut params = ActionParams::new();
test.find("exec").map(|exec| {
params.address = address_from_json(&exec["address"]);
params.sender = address_from_json(&exec["caller"]);
params.origin = address_from_json(&exec["origin"]);
params.code = bytes_from_json(&exec["code"]);
params.data = bytes_from_json(&exec["data"]);
params.address = xjson!(&exec["address"]);
params.sender = xjson!(&exec["caller"]);
params.origin = xjson!(&exec["origin"]);
params.code = xjson!(&exec["code"]);
params.data = xjson!(&exec["data"]);
params.gas = xjson!(&exec["gas"]);
params.gas_price = xjson!(&exec["gasPrice"]);
params.value = xjson!(&exec["value"]);
@ -231,23 +226,16 @@ fn do_json_test(json_data: &[u8]) -> Vec<String> {
//println!("name: {}, gas_left : {:?}, expected: {:?}", name, gas_left, U256::from(&test["gas"]));
fail_unless(!out_of_gas, "expected to run out of gas.");
fail_unless(gas_left == xjson!(&test["gas"]), "gas_left is incorrect");
fail_unless(output == bytes_from_json(&test["out"]), "output is incorrect");
fail_unless(output == Bytes::from_json(&test["out"]), "output is incorrect");
test.find("post").map(|pre| for (addr, s) in pre.as_object().unwrap() {
let address = Address::from(addr.as_ref());
//let balance = U256::from(&s["balance"]);
fail_unless(state.code(&address).unwrap_or(vec![]) == bytes_from_json(&s["code"]), "code is incorrect");
fail_unless(state.code(&address).unwrap_or(vec![]) == Bytes::from_json(&s["code"]), "code is incorrect");
fail_unless(state.balance(&address) == xjson!(&s["balance"]), "balance is incorrect");
fail_unless(state.nonce(&address) == xjson!(&s["nonce"]), "nonce is incorrect");
for (k, v) in s["storage"].as_object().unwrap() {
let key = H256::from(&u256_from_str(k));
let val = H256::from(&U256::from_json(v));
fail_unless(state.storage_at(&address, &key) == val, "storage is incorrect");
}
BTreeMap::from_json(&s["storage"]).iter().foreach(|(k, v)| fail_unless(&state.storage_at(&address, &k) == v, "storage is incorrect"));
});
let cc = test["callcreates"].as_array().unwrap();
@ -255,8 +243,8 @@ fn do_json_test(json_data: &[u8]) -> Vec<String> {
for i in 0..cc.len() {
let is = &callcreates[i];
let expected = &cc[i];
fail_unless(is.data == bytes_from_json(&expected["data"]), "callcreates data is incorrect");
fail_unless(is.destination == address_from_json(&expected["destination"]), "callcreates destination is incorrect");
fail_unless(is.data == Bytes::from_json(&expected["data"]), "callcreates data is incorrect");
fail_unless(is.destination == xjson!(&expected["destination"]), "callcreates destination is incorrect");
fail_unless(is.value == xjson!(&expected["value"]), "callcreates value is incorrect");
// TODO: call_gas is calculated in externalities and is not exposed to TestExt.

4
src/tests/state.rs
View File

@ -16,8 +16,8 @@ fn do_json_test(json_data: &[u8]) -> Vec<String> {
let t = Transaction::from_json(&test["transaction"]);
let env = EnvInfo::from_json(&test["env"]);
let _out = bytes_from_json(&test["out"]);
let post_state_root = h256_from_json(&test["postStateRoot"]);
let _out = Bytes::from_json(&test["out"]);
let post_state_root = xjson!(&test["postStateRoot"]);
let pre = PodState::from_json(&test["pre"]);
let post = PodState::from_json(&test["post"]);
let logs: Vec<_> = test["logs"].as_array().unwrap().iter().map(&LogEntry::from_json).collect();

8
src/tests/transaction.rs
View File

@ -14,23 +14,23 @@ fn do_json_test(json_data: &[u8]) -> Vec<String> {
.and_then(|j| j.as_string())
.and_then(|s| BlockNumber::from_str(s).ok())
.unwrap_or(0) { x if x < 900000 => &old_schedule, _ => &new_schedule };
let rlp = bytes_from_json(&test["rlp"]);
let rlp = Bytes::from_json(&test["rlp"]);
let res = UntrustedRlp::new(&rlp).as_val().map_err(|e| From::from(e)).and_then(|t: Transaction| t.validate(schedule, schedule.have_delegate_call));
fail_unless(test.find("transaction").is_none() == res.is_err());
if let (Some(&Json::Object(ref tx)), Some(&Json::String(ref expect_sender))) = (test.find("transaction"), test.find("sender")) {
let t = res.unwrap();
fail_unless(t.sender().unwrap() == address_from_hex(clean(expect_sender)));
fail_unless(t.data == bytes_from_json(&tx["data"]));
fail_unless(t.data == Bytes::from_json(&tx["data"]));
fail_unless(t.gas == xjson!(&tx["gasLimit"]));
fail_unless(t.gas_price == xjson!(&tx["gasPrice"]));
fail_unless(t.nonce == xjson!(&tx["nonce"]));
fail_unless(t.value == xjson!(&tx["value"]));
if let Action::Call(ref to) = t.action {
*ot.borrow_mut() = t.clone();
fail_unless(to == &address_from_json(&tx["to"]));
fail_unless(to == &xjson!(&tx["to"]));
} else {
*ot.borrow_mut() = t.clone();
fail_unless(bytes_from_json(&tx["to"]).len() == 0);
fail_unless(Bytes::from_json(&tx["to"]).len() == 0);
}
}
}

54
src/transaction.rs
View File

@ -79,32 +79,6 @@ impl Transaction {
}
}
pub fn from_json(json: &Json) -> Transaction {
let mut r = Transaction {
nonce: xjson!(&json["nonce"]),
gas_price: xjson!(&json["gasPrice"]),
gas: xjson!(&json["gasLimit"]),
action: match bytes_from_json(&json["to"]) {
ref x if x.len() == 0 => Action::Create,
ref x => Action::Call(Address::from_slice(x)),
},
value: xjson!(&json["value"]),
data: bytes_from_json(&json["data"]),
v: match json.find("v") { Some(ref j) => u8_from_json(j), None => 0 },
r: match json.find("r") { Some(j) => xjson!(j), None => x!(0) },
s: match json.find("s") { Some(j) => xjson!(j), None => x!(0) },
hash: RefCell::new(None),
sender: match json.find("sender") {
Some(&Json::String(ref sender)) => RefCell::new(Some(address_from_hex(clean(sender)))),
_ => RefCell::new(None),
},
};
if let Some(&Json::String(ref secret_key)) = json.find("secretKey") {
r.sign(&h256_from_hex(clean(secret_key)));
}
r
}
/// Get the nonce of the transaction.
pub fn nonce(&self) -> &U256 { &self.nonce }
/// Get the gas price of the transaction.
@ -144,6 +118,34 @@ impl Transaction {
}
}
impl FromJson for Transaction {
fn from_json(json: &Json) -> Transaction {
let mut r = Transaction {
nonce: xjson!(&json["nonce"]),
gas_price: xjson!(&json["gasPrice"]),
gas: xjson!(&json["gasLimit"]),
action: match Bytes::from_json(&json["to"]) {
ref x if x.len() == 0 => Action::Create,
ref x => Action::Call(Address::from_slice(x)),
},
value: xjson!(&json["value"]),
data: xjson!(&json["data"]),
v: match json.find("v") { Some(ref j) => u16::from_json(j) as u8, None => 0 },
r: match json.find("r") { Some(j) => xjson!(j), None => x!(0) },
s: match json.find("s") { Some(j) => xjson!(j), None => x!(0) },
hash: RefCell::new(None),
sender: match json.find("sender") {
Some(&Json::String(ref sender)) => RefCell::new(Some(address_from_hex(clean(sender)))),
_ => RefCell::new(None),
},
};
if let Some(&Json::String(ref secret_key)) = json.find("secretKey") {
r.sign(&h256_from_hex(clean(secret_key)));
}
r
}
}
impl RlpStandard for Transaction {
fn rlp_append(&self, s: &mut RlpStream) { self.rlp_append_opt(s, Seal::With) }
}