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Introduce toy runtime for testing inside substrate. #66

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gavofyork merged 12 commits into from
Feb 9, 2018
Merged

Introduce toy runtime for testing inside substrate. #66

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8ab9273
Introduce simple blockchain runtime for substrate tests.
gavofyork Feb 8, 2018
5bf2955
Merge branch 'master' into gav-split-executor
gavofyork Feb 8, 2018
a2cbb57
Remove bad files.
gavofyork Feb 8, 2018
d02363c
Add needed wasm binaries.
gavofyork Feb 8, 2018
f34970d
Refactoring.
gavofyork Feb 8, 2018
ebe2fb4
More fixes and refactoring
gavofyork Feb 8, 2018
e6774a3
Rebuild substrate test wasm.
gavofyork Feb 8, 2018
bcbb491
Merge branch 'master' into gav-split-executor
gavofyork Feb 8, 2018
b6292f9
Fix merge errors.
gavofyork Feb 8, 2018
9a5fa8a
Rename the disasterously named `to_vec` to `encode`.
gavofyork Feb 8, 2018
98e99dc
Tests for toy runtime.
gavofyork Feb 8, 2018
8315a80
Fix doc nit
gavofyork Feb 8, 2018
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Refactoring. 
- Repot files in test-runtime.
- Rename troublesome `Joiner::join` to `Joiner::and`.
- Rework `Slicable` to dedup code.
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@gavofyork
gavofyork committed Feb 8, 2018
commit f34970dbcd827be890d309c9b0d20b65fa15086b
26 changes: 13 additions & 13 deletions polkadot/executor/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -96,7 +96,7 @@ mod tests {
twox_128(&one.to_keyed_vec(b"sta:bal:")).to_vec() => vec![68u8, 0, 0, 0, 0, 0, 0, 0]
], };

let r = executor().call(&mut t, BLOATY_CODE, "execute_transaction", &vec![].join(&Header::from_block_number(1u64)).join(&tx()));
let r = executor().call(&mut t, BLOATY_CODE, "execute_transaction", &vec![].and(&Header::from_block_number(1u64)).and(&tx()));
assert!(r.is_err());
}

Expand All @@ -107,7 +107,7 @@ mod tests {
twox_128(&one.to_keyed_vec(b"sta:bal:")).to_vec() => vec![68u8, 0, 0, 0, 0, 0, 0, 0]
], };

let r = executor().call(&mut t, COMPACT_CODE, "execute_transaction", &vec![].join(&Header::from_block_number(1u64)).join(&tx()));
let r = executor().call(&mut t, COMPACT_CODE, "execute_transaction", &vec![].and(&Header::from_block_number(1u64)).and(&tx()));
assert!(r.is_err());
}

Expand All @@ -120,7 +120,7 @@ mod tests {
twox_128(&one.to_keyed_vec(b"sta:bal:")).to_vec() => vec![111u8, 0, 0, 0, 0, 0, 0, 0]
], };

let r = executor().call(&mut t, COMPACT_CODE, "execute_transaction", &vec![].join(&Header::from_block_number(1u64)).join(&tx()));
let r = executor().call(&mut t, COMPACT_CODE, "execute_transaction", &vec![].and(&Header::from_block_number(1u64)).and(&tx()));
assert!(r.is_ok());

runtime_io::with_externalities(&mut t, || {
Expand All @@ -138,7 +138,7 @@ mod tests {
twox_128(&one.to_keyed_vec(b"sta:bal:")).to_vec() => vec![111u8, 0, 0, 0, 0, 0, 0, 0]
], };

let r = executor().call(&mut t, BLOATY_CODE, "execute_transaction", &vec![].join(&Header::from_block_number(1u64)).join(&tx()));
let r = executor().call(&mut t, BLOATY_CODE, "execute_transaction", &vec![].and(&Header::from_block_number(1u64)).and(&tx()));
assert!(r.is_ok());

runtime_io::with_externalities(&mut t, || {
Expand All @@ -154,19 +154,19 @@ mod tests {

TestExternalities { storage: map![
twox_128(&0u64.to_keyed_vec(b"sys:old:")).to_vec() => [69u8; 32].to_vec(),
twox_128(b"gov:apr").to_vec() => vec![].join(&667u32),
twox_128(b"ses:len").to_vec() => vec![].join(&2u64),
twox_128(b"ses:val:len").to_vec() => vec![].join(&3u32),
twox_128(b"gov:apr").to_vec() => vec![].and(&667u32),
twox_128(b"ses:len").to_vec() => vec![].and(&2u64),
twox_128(b"ses:val:len").to_vec() => vec![].and(&3u32),
twox_128(&0u32.to_keyed_vec(b"ses:val:")).to_vec() => one.to_vec(),
twox_128(&1u32.to_keyed_vec(b"ses:val:")).to_vec() => two.to_vec(),
twox_128(&2u32.to_keyed_vec(b"ses:val:")).to_vec() => three.to_vec(),
twox_128(b"sta:wil:len").to_vec() => vec![].join(&3u32),
twox_128(b"sta:wil:len").to_vec() => vec![].and(&3u32),
twox_128(&0u32.to_keyed_vec(b"sta:wil:")).to_vec() => one.to_vec(),
twox_128(&1u32.to_keyed_vec(b"sta:wil:")).to_vec() => two.to_vec(),
twox_128(&2u32.to_keyed_vec(b"sta:wil:")).to_vec() => three.to_vec(),
twox_128(b"sta:spe").to_vec() => vec![].join(&2u64),
twox_128(b"sta:vac").to_vec() => vec![].join(&3u64),
twox_128(b"sta:era").to_vec() => vec![].join(&0u64),
twox_128(b"sta:spe").to_vec() => vec![].and(&2u64),
twox_128(b"sta:vac").to_vec() => vec![].and(&3u64),
twox_128(b"sta:era").to_vec() => vec![].and(&0u64),
twox_128(&one.to_keyed_vec(b"sta:bal:")).to_vec() => vec![111u8, 0, 0, 0, 0, 0, 0, 0]
], }
}
Expand Down Expand Up @@ -290,7 +290,7 @@ mod tests {
], };

let foreign_code = include_bytes!("../../runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.wasm");
let r = WasmExecutor.call(&mut t, &foreign_code[..], "execute_transaction", &vec![].join(&Header::from_block_number(1u64)).join(&tx()));
let r = WasmExecutor.call(&mut t, &foreign_code[..], "execute_transaction", &vec![].and(&Header::from_block_number(1u64)).and(&tx()));
assert!(r.is_err());
}

Expand All @@ -304,7 +304,7 @@ mod tests {
], };

let foreign_code = include_bytes!("../../runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.compact.wasm");
let r = WasmExecutor.call(&mut t, &foreign_code[..], "execute_transaction", &vec![].join(&Header::from_block_number(1u64)).join(&tx()));
let r = WasmExecutor.call(&mut t, &foreign_code[..], "execute_transaction", &vec![].and(&Header::from_block_number(1u64)).and(&tx()));
assert!(r.is_ok());

runtime_io::with_externalities(&mut t, || {
Expand Down
8 changes: 0 additions & 8 deletions polkadot/primitives/src/block.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -96,10 +96,6 @@ impl Slicable for Block {

v
}

fn as_slice_then<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R {
f(self.to_vec().as_slice())
}
}

/// A relay chain block header.
Expand Down Expand Up @@ -157,10 +153,6 @@ impl Slicable for Header {

v
}

fn as_slice_then<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R {
f(self.to_vec().as_slice())
}
}

#[cfg(test)]
Expand Down
12 changes: 0 additions & 12 deletions polkadot/primitives/src/transaction.rs
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Expand Up @@ -150,10 +150,6 @@ impl Slicable for Proposal {

v
}

fn as_slice_then<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R {
f(self.to_vec().as_slice())
}
}


Expand Down Expand Up @@ -302,10 +298,6 @@ impl Slicable for Transaction {

v
}

fn as_slice_then<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R {
f(self.to_vec().as_slice())
}
}

impl ::codec::NonTrivialSlicable for Transaction {}
Expand Down Expand Up @@ -351,10 +343,6 @@ impl Slicable for UncheckedTransaction {

v
}

fn as_slice_then<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R {
f(self.to_vec().as_slice())
}
}

impl ::codec::NonTrivialSlicable for UncheckedTransaction {}
Expand Down
24 changes: 12 additions & 12 deletions polkadot/runtime/src/genesismap.rs
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Expand Up @@ -53,32 +53,32 @@ impl GenesisConfig {
pub fn genesis_map(&self) -> HashMap<Vec<u8>, Vec<u8>> {
let wasm_runtime = include_bytes!("../wasm/genesis.wasm").to_vec();
vec![
(&b"gov:apr"[..], vec![].join(&self.approval_ratio)),
(&b"ses:len"[..], vec![].join(&self.session_length)),
(&b"ses:val:len"[..], vec![].join(&(self.validators.len() as u32))),
(&b"sta:wil:len"[..], vec![].join(&0u32)),
(&b"sta:spe"[..], vec![].join(&self.sessions_per_era)),
(&b"sta:vac"[..], vec![].join(&(self.validators.len() as u32))),
(&b"sta:era"[..], vec![].join(&0u64)),
(&b"gov:apr"[..], vec![].and(&self.approval_ratio)),
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@rphmeier rphmeier Feb 8, 2018

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wishlist: replace all these vec![].and(x) lines with something like encode(x)

(&b"ses:len"[..], vec![].and(&self.session_length)),
(&b"ses:val:len"[..], vec![].and(&(self.validators.len() as u32))),
(&b"sta:wil:len"[..], vec![].and(&0u32)),
(&b"sta:spe"[..], vec![].and(&self.sessions_per_era)),
(&b"sta:vac"[..], vec![].and(&(self.validators.len() as u32))),
(&b"sta:era"[..], vec![].and(&0u64)),
].into_iter()
.map(|(k, v)| (k.into(), v))
.chain(self.validators.iter()
.enumerate()
.map(|(i, account)| ((i as u32).to_keyed_vec(b"ses:val:"), vec![].join(account)))
.map(|(i, account)| ((i as u32).to_keyed_vec(b"ses:val:"), vec![].and(account)))
).chain(self.authorities.iter()
.enumerate()
.map(|(i, account)| ((i as u32).to_keyed_vec(b":auth:"), vec![].join(account)))
.map(|(i, account)| ((i as u32).to_keyed_vec(b":auth:"), vec![].and(account)))
).chain(self.balances.iter()
.map(|&(account, balance)| (account.to_keyed_vec(b"sta:bal:"), vec![].join(&balance)))
.map(|&(account, balance)| (account.to_keyed_vec(b"sta:bal:"), vec![].and(&balance)))
)
.map(|(k, v)| (twox_128(&k[..])[..].to_vec(), v.to_vec()))
.chain(vec![
(b":code"[..].into(), wasm_runtime),
(b":auth:len"[..].into(), vec![].join(&(self.authorities.len() as u32))),
(b":auth:len"[..].into(), vec![].and(&(self.authorities.len() as u32))),
].into_iter())
.chain(self.authorities.iter()
.enumerate()
.map(|(i, account)| ((i as u32).to_keyed_vec(b":auth:"), vec![].join(account)))
.map(|(i, account)| ((i as u32).to_keyed_vec(b":auth:"), vec![].and(account)))
)
.collect()
}
Expand Down
14 changes: 7 additions & 7 deletions polkadot/runtime/src/runtime/governance.rs
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Expand Up @@ -157,19 +157,19 @@ mod tests {
let three = [3u8; 32];

TestExternalities { storage: map![
twox_128(APPROVALS_REQUIRED).to_vec() => vec![].join(&667u32),
twox_128(b"ses:len").to_vec() => vec![].join(&1u64),
twox_128(b"ses:val:len").to_vec() => vec![].join(&3u32),
twox_128(APPROVALS_REQUIRED).to_vec() => vec![].and(&667u32),
twox_128(b"ses:len").to_vec() => vec![].and(&1u64),
twox_128(b"ses:val:len").to_vec() => vec![].and(&3u32),
twox_128(&0u32.to_keyed_vec(b"ses:val:")).to_vec() => one.to_vec(),
twox_128(&1u32.to_keyed_vec(b"ses:val:")).to_vec() => two.to_vec(),
twox_128(&2u32.to_keyed_vec(b"ses:val:")).to_vec() => three.to_vec(),
twox_128(b"sta:wil:len").to_vec() => vec![].join(&3u32),
twox_128(b"sta:wil:len").to_vec() => vec![].and(&3u32),
twox_128(&0u32.to_keyed_vec(b"sta:wil:")).to_vec() => one.to_vec(),
twox_128(&1u32.to_keyed_vec(b"sta:wil:")).to_vec() => two.to_vec(),
twox_128(&2u32.to_keyed_vec(b"sta:wil:")).to_vec() => three.to_vec(),
twox_128(b"sta:spe").to_vec() => vec![].join(&1u64),
twox_128(b"sta:vac").to_vec() => vec![].join(&3u64),
twox_128(b"sta:era").to_vec() => vec![].join(&1u64)
twox_128(b"sta:spe").to_vec() => vec![].and(&1u64),
twox_128(b"sta:vac").to_vec() => vec![].and(&3u64),
twox_128(b"sta:era").to_vec() => vec![].and(&1u64)
], }
}

Expand Down
6 changes: 3 additions & 3 deletions polkadot/runtime/src/runtime/parachains.rs
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Expand Up @@ -63,7 +63,7 @@ pub fn calculate_duty_roster() -> DutyRoster {
let mut roles_gua = roles_val.clone();

let h = with_env(|e| e.parent_hash.clone());
let mut seed = Vec::<u8>::new().join(&h).join(b"validator_role_pairs").blake2_256();
let mut seed = Vec::<u8>::new().and(&h).and(b"validator_role_pairs").blake2_256();

// shuffle
for i in 0..(validator_count - 1) {
Expand Down Expand Up @@ -103,8 +103,8 @@ mod tests {

fn simple_setup() -> TestExternalities {
TestExternalities { storage: map![
twox_128(b"ses:val:len").to_vec() => vec![].join(&8u32),
twox_128(b"par:cou").to_vec() => vec![].join(&2u32)
twox_128(b"ses:val:len").to_vec() => vec![].and(&8u32),
twox_128(b"par:cou").to_vec() => vec![].and(&2u32)
], }
}

Expand Down
6 changes: 3 additions & 3 deletions polkadot/runtime/src/runtime/session.rs
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Expand Up @@ -145,13 +145,13 @@ mod tests {

fn simple_setup() -> TestExternalities {
TestExternalities { storage: map![
twox_128(SESSION_LENGTH).to_vec() => vec![].join(&2u64),
twox_128(SESSION_LENGTH).to_vec() => vec![].and(&2u64),
// the validators (10, 20, ...)
twox_128(b"ses:val:len").to_vec() => vec![].join(&2u32),
twox_128(b"ses:val:len").to_vec() => vec![].and(&2u32),
twox_128(&0u32.to_keyed_vec(ValidatorStorageVec::PREFIX)).to_vec() => vec![10; 32],
twox_128(&1u32.to_keyed_vec(ValidatorStorageVec::PREFIX)).to_vec() => vec![20; 32],
// initial session keys (11, 21, ...)
b":auth:len".to_vec() => vec![].join(&2u32),
b":auth:len".to_vec() => vec![].and(&2u32),
0u32.to_keyed_vec(b":auth:") => vec![11; 32],
1u32.to_keyed_vec(b":auth:") => vec![21; 32]
], }
Expand Down
28 changes: 14 additions & 14 deletions polkadot/runtime/src/runtime/staking.rs
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Expand Up @@ -227,17 +227,17 @@ mod tests {
let four = [4u8; 32];

let mut t = TestExternalities { storage: map![
twox_128(b"ses:len").to_vec() => vec![].join(&1u64),
twox_128(b"ses:val:len").to_vec() => vec![].join(&2u32),
twox_128(b"ses:len").to_vec() => vec![].and(&1u64),
twox_128(b"ses:val:len").to_vec() => vec![].and(&2u32),
twox_128(&0u32.to_keyed_vec(b"ses:val:")).to_vec() => vec![10; 32],
twox_128(&1u32.to_keyed_vec(b"ses:val:")).to_vec() => vec![20; 32],
twox_128(SESSIONS_PER_ERA).to_vec() => vec![].join(&2u64),
twox_128(VALIDATOR_COUNT).to_vec() => vec![].join(&2u32),
twox_128(BONDING_DURATION).to_vec() => vec![].join(&3u64),
twox_128(&one.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].join(&10u64),
twox_128(&two.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].join(&20u64),
twox_128(&three.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].join(&30u64),
twox_128(&four.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].join(&40u64)
twox_128(SESSIONS_PER_ERA).to_vec() => vec![].and(&2u64),
twox_128(VALIDATOR_COUNT).to_vec() => vec![].and(&2u32),
twox_128(BONDING_DURATION).to_vec() => vec![].and(&3u64),
twox_128(&one.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].and(&10u64),
twox_128(&two.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].and(&20u64),
twox_128(&three.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].and(&30u64),
twox_128(&four.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].and(&40u64)
], };

with_externalities(&mut t, || {
Expand Down Expand Up @@ -296,8 +296,8 @@ mod tests {
#[test]
fn staking_eras_work() {
let mut t = TestExternalities { storage: map![
twox_128(b"ses:len").to_vec() => vec![].join(&1u64),
twox_128(SESSIONS_PER_ERA).to_vec() => vec![].join(&2u64)
twox_128(b"ses:len").to_vec() => vec![].and(&1u64),
twox_128(SESSIONS_PER_ERA).to_vec() => vec![].and(&2u64)
], };
with_externalities(&mut t, || {
assert_eq!(era_length(), 2u64);
Expand Down Expand Up @@ -363,7 +363,7 @@ mod tests {
let two = two();

let mut t = TestExternalities { storage: map![
twox_128(&one.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].join(&42u64)
twox_128(&one.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].and(&42u64)
], };

with_externalities(&mut t, || {
Expand All @@ -378,7 +378,7 @@ mod tests {
let two = two();

let mut t = TestExternalities { storage: map![
twox_128(&one.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].join(&111u64)
twox_128(&one.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].and(&111u64)
], };

with_externalities(&mut t, || {
Expand All @@ -395,7 +395,7 @@ mod tests {
let two = two();

let mut t = TestExternalities { storage: map![
twox_128(&one.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].join(&111u64)
twox_128(&one.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].and(&111u64)
], };

with_externalities(&mut t, || {
Expand Down
14 changes: 7 additions & 7 deletions polkadot/runtime/src/runtime/system.rs
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Expand Up @@ -271,19 +271,19 @@ mod tests {

TestExternalities { storage: map![
twox_128(&0u64.to_keyed_vec(b"sys:old:")).to_vec() => [69u8; 32].to_vec(),
twox_128(b"gov:apr").to_vec() => vec![].join(&667u32),
twox_128(b"ses:len").to_vec() => vec![].join(&2u64),
twox_128(b"ses:val:len").to_vec() => vec![].join(&3u32),
twox_128(b"gov:apr").to_vec() => vec![].and(&667u32),
twox_128(b"ses:len").to_vec() => vec![].and(&2u64),
twox_128(b"ses:val:len").to_vec() => vec![].and(&3u32),
twox_128(&0u32.to_keyed_vec(b"ses:val:")).to_vec() => one.to_vec(),
twox_128(&1u32.to_keyed_vec(b"ses:val:")).to_vec() => two.to_vec(),
twox_128(&2u32.to_keyed_vec(b"ses:val:")).to_vec() => three.to_vec(),
twox_128(b"sta:wil:len").to_vec() => vec![].join(&3u32),
twox_128(b"sta:wil:len").to_vec() => vec![].and(&3u32),
twox_128(&0u32.to_keyed_vec(b"sta:wil:")).to_vec() => one.to_vec(),
twox_128(&1u32.to_keyed_vec(b"sta:wil:")).to_vec() => two.to_vec(),
twox_128(&2u32.to_keyed_vec(b"sta:wil:")).to_vec() => three.to_vec(),
twox_128(b"sta:spe").to_vec() => vec![].join(&2u64),
twox_128(b"sta:vac").to_vec() => vec![].join(&3u64),
twox_128(b"sta:era").to_vec() => vec![].join(&0u64),
twox_128(b"sta:spe").to_vec() => vec![].and(&2u64),
twox_128(b"sta:vac").to_vec() => vec![].and(&3u64),
twox_128(b"sta:era").to_vec() => vec![].and(&0u64),
twox_128(&one.to_keyed_vec(b"sta:bal:")).to_vec() => vec![111u8, 0, 0, 0, 0, 0, 0, 0]
], }
}
Expand Down
2 changes: 1 addition & 1 deletion polkadot/runtime/src/runtime/timestamp.rs
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Expand Up @@ -48,7 +48,7 @@ mod tests {
#[test]
fn timestamp_works() {
let mut t = TestExternalities { storage: map![
twox_128(CURRENT_TIMESTAMP).to_vec() => vec![].join(&42u64)
twox_128(CURRENT_TIMESTAMP).to_vec() => vec![].and(&42u64)
], };

with_externalities(&mut t, || {
Expand Down
6 changes: 3 additions & 3 deletions substrate/client/src/genesis.rs
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Expand Up @@ -106,7 +106,7 @@ mod tests {
&mut overlay,
&executor(),
"execute_transaction",
&vec![].join(&header).join(tx)
&vec![].and(&header).and(tx)
).unwrap();
header = Header::from_slice(&mut &ret_data[..]).unwrap();
}
Expand All @@ -116,11 +116,11 @@ mod tests {
&mut overlay,
&executor(),
"finalise_block",
&vec![].join(&header)
&vec![].and(&header)
).unwrap();
header = Header::from_slice(&mut &ret_data[..]).unwrap();

(vec![].join(&Block { header, transactions }), hash.into())
(vec![].and(&Block { header, transactions }), hash.into())
}

fn block1(genesis_hash: Hash, backend: &InMemory) -> (Vec<u8>, Hash) {
Expand Down
4 changes: 2 additions & 2 deletions substrate/codec/src/joiner.rs
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Expand Up @@ -22,11 +22,11 @@ use super::slicable::Slicable;
/// Trait to allow itself to be serialised into a value which can be extended
/// by bytes.
pub trait Joiner {
fn join<V: Slicable + Sized>(self, value: &V) -> Self;
fn and<V: Slicable + Sized>(self, value: &V) -> Self;
}

impl<T> Joiner for T where T: for<'a> Extend<&'a u8> {
fn join<V: Slicable + Sized>(mut self, value: &V) -> Self {
fn and<V: Slicable + Sized>(mut self, value: &V) -> Self {
value.as_slice_then(|s| self.extend(s));
self
}
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