Avoid need for ident strings in storage

demo/executor/src/lib.rs

@@ -257,7 +257,7 @@ mod tests {
 			// Blake
 			// hex!("3437bf4b182ab17bb322af5c67e55f6be487a77084ad2b4e27ddac7242e4ad21").into(),
 			// Keccak
-			hex!("56c9a542e48ccf4e0821de301ea4384e87425604278b12a9db31c6d4e89ca51e").into(),
+			hex!("0b401681b95d04e91dbe53835867bdcb5d9e0590b54ae06bd7b347d49f9a737f").into(),
 			vec![BareExtrinsic {
 				signed: alice(),
 				index: 0,
@@ -273,7 +273,7 @@ mod tests {
 			// Blake
 			// hex!("741fcb660e6fa9f625fbcd993b49f6c1cc4040f5e0cc8727afdedf11fd3c464b").into(),
 			// Keccak
-			hex!("166a2593d35f2d1bc87eca8cf2e320ed06759000a02aa88e51fa85b12c6f1267").into(),
+			hex!("03f051dc4f588fdc713145772486a129d33c7f178c133b5801fa79c3ecca2dc9").into(),
 			vec![
 				BareExtrinsic {
 					signed: bob(),
@@ -296,7 +296,7 @@ mod tests {
 			// Blake
 			// hex!("2c7231a9c210a7aa4bea169d944bc4aaacd517862b244b8021236ffa7f697991").into(),
 			// Keccak
-			hex!("be186810570e437f0d803493fced9879207b064a0701fd8d68662b9563b4d33e").into(),
+			hex!("6e3b6aaf0be927394b520e3ebc0c34a7c26519711bc836e116e371273c3aca44").into(),
 			vec![BareExtrinsic {
 				signed: alice(),
 				index: 0,

substrate/runtime/contract/src/lib.rs

@@ -150,25 +150,25 @@ decl_module! {
 }
 
 decl_storage! {
-	trait Store for Module<T: Trait>;
-
-	// The fee required to create a contract. At least as big as staking's ReclaimRebate.
-	ContractFee get(contract_fee): b"con:contract_fee" => required T::Balance;
-	// The fee charged for a call into a contract.
-	CallBaseFee get(call_base_fee): b"con:base_call_fee" => required T::Gas;
-	// The fee charged for a create of a contract.
-	CreateBaseFee get(create_base_fee): b"con:base_create_fee" => required T::Gas;
-	// The price of one unit of gas.
-	GasPrice get(gas_price): b"con:gas_price" => required T::Balance;
-	// The maximum nesting level of a call/create stack.
-	MaxDepth get(max_depth): b"con:max_depth" => required u32;
-	// The maximum amount of gas that could be expended per block.
-	BlockGasLimit get(block_gas_limit): b"con:block_gas_limit" => required T::Gas;
-	// Gas spent so far in this block.
-	GasSpent get(gas_spent): b"con:gas_spent" => default T::Gas;
-
-	// The code associated with an account.
-	CodeOf: b"con:cod:" => default map [ T::AccountId => Vec<u8> ];	// TODO Vec<u8> values should be optimised to not do a length prefix.
+	trait Store for Module<T: Trait> as Contract {
+		// The fee required to create a contract. At least as big as staking's ReclaimRebate.
+		ContractFee get(contract_fee): required T::Balance;
+		// The fee charged for a call into a contract.
+		CallBaseFee get(call_base_fee): required T::Gas;
+		// The fee charged for a create of a contract.
+		CreateBaseFee get(create_base_fee): required T::Gas;
+		// The price of one unit of gas.
+		GasPrice get(gas_price): required T::Balance;
+		// The maximum nesting level of a call/create stack.
+		MaxDepth get(max_depth): required u32;
+		// The maximum amount of gas that could be expended per block.
+		BlockGasLimit get(block_gas_limit): required T::Gas;
+		// Gas spent so far in this block.
+		GasSpent get(gas_spent): default T::Gas;
+
+		// The code associated with an account.
+		pub CodeOf: default map [ T::AccountId => Vec<u8> ];	// TODO Vec<u8> values should be optimised to not do a length prefix.
+	}
 }
 
 // TODO: consider storing upper-bound for contract's gas limit in fixed-length runtime

substrate/runtime/council/src/lib.rs

@@ -131,57 +131,58 @@ decl_module! {
 }
 
 decl_storage! {
-	trait Store for Module<T: Trait>;
-
-	// parameters
-	// How much should be locked up in order to submit one's candidacy.
-	pub CandidacyBond get(candidacy_bond): b"cou:cbo" => required T::Balance;
-	// How much should be locked up in order to be able to submit votes.
-	pub VotingBond get(voting_bond): b"cou:vbo" => required T::Balance;
-	// The punishment, per voter, if you provide an invalid presentation.
-	pub PresentSlashPerVoter get(present_slash_per_voter): b"cou:pss" => required T::Balance;
-	// How many runners-up should have their approvals persist until the next vote.
-	pub CarryCount get(carry_count): b"cou:cco" => required u32;
-	// How long to give each top candidate to present themselves after the vote ends.
-	pub PresentationDuration get(presentation_duration): b"cou:pdu" => required T::BlockNumber;
-	// How many votes need to go by after a voter's last vote before they can be reaped if their
-	// approvals are moot.
-	pub InactiveGracePeriod get(inactivity_grace_period): b"cou:vgp" => required VoteIndex;
-	// How often (in blocks) to check for new votes.
-	pub VotingPeriod get(voting_period): b"cou:per" => required T::BlockNumber;
-	// How long each position is active for.
-	pub TermDuration get(term_duration): b"cou:trm" => required T::BlockNumber;
-	// Number of accounts that should be sitting on the council.
-	pub DesiredSeats get(desired_seats): b"cou:sts" => required u32;
-
-	// permanent state (always relevant, changes only at the finalisation of voting)
-	// The current council. When there's a vote going on, this should still be used for executive
-	// matters.
-	pub ActiveCouncil get(active_council): b"cou:act" => default Vec<(T::AccountId, T::BlockNumber)>;
-	// The total number of votes that have happened or are in progress.
-	pub VoteCount get(vote_index): b"cou:vco" => default VoteIndex;
-
-	// persistent state (always relevant, changes constantly)
-	// The last cleared vote index that this voter was last active at.
-	pub ApprovalsOf get(approvals_of): b"cou:apr" => default map [ T::AccountId => Vec<bool> ];
-	// The vote index and list slot that the candidate `who` was registered or `None` if they are not
-	// currently registered.
-	pub RegisterInfoOf get(candidate_reg_info): b"cou:reg" => map [ T::AccountId => (VoteIndex, u32) ];
-	// The last cleared vote index that this voter was last active at.
-	pub LastActiveOf get(voter_last_active): b"cou:lac" => map [ T::AccountId => VoteIndex ];
-	// The present voter list.
-	pub Voters get(voters): b"cou:vrs" => default Vec<T::AccountId>;
-	// The present candidate list.
-	pub Candidates get(candidates): b"cou:can" => default Vec<T::AccountId>; // has holes
-	pub CandidateCount get(candidate_count): b"cou:cnc" => default u32;
-
-	// temporary state (only relevant during finalisation/presentation)
-	// The accounts holding the seats that will become free on the next tally.
-	pub NextFinalise get(next_finalise): b"cou:nxt" => (T::BlockNumber, u32, Vec<T::AccountId>);
-	// The stakes as they were at the point that the vote ended.
-	pub SnapshotedStakes get(snapshoted_stakes): b"cou:sss" => required Vec<T::Balance>;
-	// Get the leaderboard if we;re in the presentation phase.
-	pub Leaderboard get(leaderboard): b"cou:win" => Vec<(T::Balance, T::AccountId)>; // ORDERED low -> high
+	trait Store for Module<T: Trait> as Council {
+
+		// parameters
+		// How much should be locked up in order to submit one's candidacy.
+		pub CandidacyBond get(candidacy_bond): required T::Balance;
+		// How much should be locked up in order to be able to submit votes.
+		pub VotingBond get(voting_bond): required T::Balance;
+		// The punishment, per voter, if you provide an invalid presentation.
+		pub PresentSlashPerVoter get(present_slash_per_voter): required T::Balance;
+		// How many runners-up should have their approvals persist until the next vote.
+		pub CarryCount get(carry_count): required u32;
+		// How long to give each top candidate to present themselves after the vote ends.
+		pub PresentationDuration get(presentation_duration): required T::BlockNumber;
+		// How many votes need to go by after a voter's last vote before they can be reaped if their
+		// approvals are moot.
+		pub InactiveGracePeriod get(inactivity_grace_period): required VoteIndex;
+		// How often (in blocks) to check for new votes.
+		pub VotingPeriod get(voting_period): required T::BlockNumber;
+		// How long each position is active for.
+		pub TermDuration get(term_duration): required T::BlockNumber;
+		// Number of accounts that should be sitting on the council.
+		pub DesiredSeats get(desired_seats): required u32;
+
+		// permanent state (always relevant, changes only at the finalisation of voting)
+		// The current council. When there's a vote going on, this should still be used for executive
+		// matters.
+		pub ActiveCouncil get(active_council): default Vec<(T::AccountId, T::BlockNumber)>;
+		// The total number of votes that have happened or are in progress.
+		pub VoteCount get(vote_index): default VoteIndex;
+
+		// persistent state (always relevant, changes constantly)
+		// The last cleared vote index that this voter was last active at.
+		pub ApprovalsOf get(approvals_of): default map [ T::AccountId => Vec<bool> ];
+		// The vote index and list slot that the candidate `who` was registered or `None` if they are not
+		// currently registered.
+		pub RegisterInfoOf get(candidate_reg_info): map [ T::AccountId => (VoteIndex, u32) ];
+		// The last cleared vote index that this voter was last active at.
+		pub LastActiveOf get(voter_last_active): map [ T::AccountId => VoteIndex ];
+		// The present voter list.
+		pub Voters get(voters): default Vec<T::AccountId>;
+		// The present candidate list.
+		pub Candidates get(candidates): default Vec<T::AccountId>; // has holes
+		pub CandidateCount get(candidate_count): default u32;
+
+		// temporary state (only relevant during finalisation/presentation)
+		// The accounts holding the seats that will become free on the next tally.
+		pub NextFinalise get(next_finalise): (T::BlockNumber, u32, Vec<T::AccountId>);
+		// The stakes as they were at the point that the vote ended.
+		pub SnapshotedStakes get(snapshoted_stakes): required Vec<T::Balance>;
+		// Get the leaderboard if we;re in the presentation phase.
+		pub Leaderboard get(leaderboard): Vec<(T::Balance, T::AccountId)>; // ORDERED low -> high
+	}
 }
 
 impl<T: Trait> Module<T> {

substrate/runtime/council/src/voting.rs

@@ -43,15 +43,15 @@ decl_module! {
 }
 
 decl_storage! {
-	trait Store for Module<T: Trait>;
-
-	pub CooloffPeriod get(cooloff_period): b"cov:cooloff" => required T::BlockNumber;
-	pub VotingPeriod get(voting_period): b"cov:period" => required T::BlockNumber;
-	pub Proposals get(proposals): b"cov:prs" => required Vec<(T::BlockNumber, T::Hash)>; // ordered by expiry.
-	pub ProposalOf get(proposal_of): b"cov:pro" => map [ T::Hash => T::Proposal ];
-	pub ProposalVoters get(proposal_voters): b"cov:voters:" => default map [ T::Hash => Vec<T::AccountId> ];
-	pub CouncilVoteOf get(vote_of): b"cov:vote:" => map [ (T::Hash, T::AccountId) => bool ];
-	pub VetoedProposal get(veto_of): b"cov:veto:" => map [ T::Hash => (T::BlockNumber, Vec<T::AccountId>) ];
+	trait Store for Module<T: Trait> as CouncilVoting {
+		pub CooloffPeriod get(cooloff_period): required T::BlockNumber;
+		pub VotingPeriod get(voting_period): required T::BlockNumber;
+		pub Proposals get(proposals): required Vec<(T::BlockNumber, T::Hash)>; // ordered by expiry.
+		pub ProposalOf get(proposal_of): map [ T::Hash => T::Proposal ];
+		pub ProposalVoters get(proposal_voters): default map [ T::Hash => Vec<T::AccountId> ];
+		pub CouncilVoteOf get(vote_of): map [ (T::Hash, T::AccountId) => bool ];
+		pub VetoedProposal get(veto_of): map [ T::Hash => (T::BlockNumber, Vec<T::AccountId>) ];
+	}
 }
 
 impl<T: Trait> Module<T> {

substrate/runtime/democracy/src/lib.rs

@@ -84,34 +84,35 @@ decl_module! {
 }
 
 decl_storage! {
-	trait Store for Module<T: Trait>;
-
-	// The number of (public) proposals that have been made so far.
-	pub PublicPropCount get(public_prop_count): b"dem:ppc" => default PropIndex;
-	// The public proposals. Unsorted.
-	pub PublicProps get(public_props): b"dem:pub" => default Vec<(PropIndex, T::Proposal, T::AccountId)>;
-	// Those who have locked a deposit.
-	pub DepositOf get(deposit_of): b"dem:dep:" => map [ PropIndex => (T::Balance, Vec<T::AccountId>) ];
-	// How often (in blocks) new public referenda are launched.
-	pub LaunchPeriod get(launch_period): b"dem:lau" => required T::BlockNumber;
-	// The minimum amount to be used as a deposit for a public referendum proposal.
-	pub MinimumDeposit get(minimum_deposit): b"dem:min" => required T::Balance;
-
-	// How often (in blocks) to check for new votes.
-	pub VotingPeriod get(voting_period): b"dem:per" => required T::BlockNumber;
-
-	// The next free referendum index, aka the number of referendums started so far.
-	pub ReferendumCount get(referendum_count): b"dem:rco" => required ReferendumIndex;
-	// The next referendum index that should be tallied.
-	pub NextTally get(next_tally): b"dem:nxt" => required ReferendumIndex;
-	// Information concerning any given referendum.
-	pub ReferendumInfoOf get(referendum_info): b"dem:pro:" => map [ ReferendumIndex => (T::BlockNumber, T::Proposal, VoteThreshold) ];
-
-	// Get the voters for the current proposal.
-	pub VotersFor get(voters_for): b"dem:vtr:" => default map [ ReferendumIndex => Vec<T::AccountId> ];
-
-	// Get the vote, if Some, of `who`.
-	pub VoteOf get(vote_of): b"dem:vot:" => map [ (ReferendumIndex, T::AccountId) => bool ];
+	trait Store for Module<T: Trait> as Democracy {
+
+		// The number of (public) proposals that have been made so far.
+		pub PublicPropCount get(public_prop_count): default PropIndex;
+		// The public proposals. Unsorted.
+		pub PublicProps get(public_props): default Vec<(PropIndex, T::Proposal, T::AccountId)>;
+		// Those who have locked a deposit.
+		pub DepositOf get(deposit_of): map [ PropIndex => (T::Balance, Vec<T::AccountId>) ];
+		// How often (in blocks) new public referenda are launched.
+		pub LaunchPeriod get(launch_period): required T::BlockNumber;
+		// The minimum amount to be used as a deposit for a public referendum proposal.
+		pub MinimumDeposit get(minimum_deposit): required T::Balance;
+
+		// How often (in blocks) to check for new votes.
+		pub VotingPeriod get(voting_period): required T::BlockNumber;
+
+		// The next free referendum index, aka the number of referendums started so far.
+		pub ReferendumCount get(referendum_count): required ReferendumIndex;
+		// The next referendum index that should be tallied.
+		pub NextTally get(next_tally): required ReferendumIndex;
+		// Information concerning any given referendum.
+		pub ReferendumInfoOf get(referendum_info): map [ ReferendumIndex => (T::BlockNumber, T::Proposal, VoteThreshold) ];
+
+		// Get the voters for the current proposal.
+		pub VotersFor get(voters_for): default map [ ReferendumIndex => Vec<T::AccountId> ];
+
+		// Get the vote, if Some, of `who`.
+		pub VoteOf get(vote_of): map [ (ReferendumIndex, T::AccountId) => bool ];
+	}
 }
 
 impl<T: Trait> Module<T> {

substrate/runtime/executive/src/lib.rs

@@ -336,7 +336,7 @@ mod tests {
 					// Blake
 					// state_root: hex!("02532989c613369596025dfcfc821339fc9861987003924913a5a1382f87034a").into(),
 					// Keccak
-					state_root: hex!("246ea6d86eefe3fc32f746fdcb1749a5f245570c70a04b43d08b5defac44505a").into(),
+					state_root: hex!("e576ed2adacdc09b61844b5106bfaa18d2a4bfd7feb56d7af97c3421cdefca48").into(),
 					extrinsics_root: hex!("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421").into(),
 					digest: Digest { logs: vec![], },
 				},
@@ -370,7 +370,7 @@ mod tests {
 				header: Header {
 					parent_hash: [69u8; 32].into(),
 					number: 1,
-					state_root: hex!("246ea6d86eefe3fc32f746fdcb1749a5f245570c70a04b43d08b5defac44505a").into(),
+					state_root: hex!("e576ed2adacdc09b61844b5106bfaa18d2a4bfd7feb56d7af97c3421cdefca48").into(),
 					extrinsics_root: [0u8; 32].into(),
 					digest: Digest { logs: vec![], },
 				},

substrate/runtime/session/src/lib.rs

@@ -103,30 +103,31 @@ impl<N> From<RawEvent<N>> for () {
 }
 
 decl_storage! {
-	trait Store for Module<T: Trait>;
-
-	// The current set of validators.
-	pub Validators get(validators): b"ses:val" => required Vec<T::AccountId>;
-	// Current length of the session.
-	pub SessionLength get(length): b"ses:len" => required T::BlockNumber;
-	// Current index of the session.
-	pub CurrentIndex get(current_index): b"ses:ind" => required T::BlockNumber;
-	// Timestamp when current session started.
-	pub CurrentStart get(current_start): b"ses:current_start" => required T::Moment;
-
-	// Opinions of the current validator set about the activeness of their peers.
-	// Gets cleared when the validator set changes.
-	pub BadValidators get(bad_validators): b"ses:bad_validators" => Vec<T::AccountId>;
-
-	// New session is being forced is this entry exists; in which case, the boolean value is whether
-	// the new session should be considered a normal rotation (rewardable) or exceptional (slashable).
-	pub ForcingNewSession get(forcing_new_session): b"ses:forcing_new_session" => bool;
-	// Block at which the session length last changed.
-	LastLengthChange: b"ses:llc" => T::BlockNumber;
-	// The next key for a given validator.
-	NextKeyFor: b"ses:nxt:" => map [ T::AccountId => T::SessionKey ];
-	// The next session length.
-	NextSessionLength: b"ses:nln" => T::BlockNumber;
+	trait Store for Module<T: Trait> as Session {
+
+		// The current set of validators.
+		pub Validators get(validators): required Vec<T::AccountId>;
+		// Current length of the session.
+		pub SessionLength get(length): required T::BlockNumber;
+		// Current index of the session.
+		pub CurrentIndex get(current_index): required T::BlockNumber;
+		// Timestamp when current session started.
+		pub CurrentStart get(current_start): required T::Moment;
+
+		// Opinions of the current validator set about the activeness of their peers.
+		// Gets cleared when the validator set changes.
+		pub BadValidators get(bad_validators): Vec<T::AccountId>;
+
+		// New session is being forced is this entry exists; in which case, the boolean value is whether
+		// the new session should be considered a normal rotation (rewardable) or exceptional (slashable).
+		pub ForcingNewSession get(forcing_new_session): bool;
+		// Block at which the session length last changed.
+		LastLengthChange: T::BlockNumber;
+		// The next key for a given validator.
+		NextKeyFor: map [ T::AccountId => T::SessionKey ];
+		// The next session length.
+		NextSessionLength: T::BlockNumber;
+	}
 }
 
 impl<T: Trait> Module<T> {