Feature/offline signers contract #5901
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updated contract schema remove duplicate import queries tests tx tests ensure placeholder is deprecated so that clippy catches it contract storage tests ignore panics in legacy tests missing performance contract schema changes they weren't caught as the contract was missing from the makefile dealing with CI generated contract schema client traits query for exposing signing status at particular height uses placeholder data due to another PR in progress at the time of writing wip removed placeholder mod removed dead code contract queries resetting offline status of sender implemented TestableNymContract for OfflineSigner, DKG, CW4 and CW3 contracts basic logic for voting on offline signers init offline signers contract
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updated contract schema remove duplicate import queries tests tx tests ensure placeholder is deprecated so that clippy catches it contract storage tests ignore panics in legacy tests missing performance contract schema changes they weren't caught as the contract was missing from the makefile dealing with CI generated contract schema client traits query for exposing signing status at particular height uses placeholder data due to another PR in progress at the time of writing wip removed placeholder mod removed dead code contract queries resetting offline status of sender implemented TestableNymContract for OfflineSigner, DKG, CW4 and CW3 contracts basic logic for voting on offline signers init offline signers contract
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removed placeholder mod updated contract schema remove duplicate import queries tests tx tests ensure placeholder is deprecated so that clippy catches it contract storage tests ignore panics in legacy tests missing performance contract schema changes they weren't caught as the contract was missing from the makefile dealing with CI generated contract schema client traits query for exposing signing status at particular height uses placeholder data due to another PR in progress at the time of writing wip removed placeholder mod removed dead code contract queries resetting offline status of sender implemented TestableNymContract for OfflineSigner, DKG, CW4 and CW3 contracts basic logic for voting on offline signers init offline signers contract
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NET-443
this PR introduces a new CosmWasm smart contract, the "offline signers" contract. It's purpose is to allow ecash signers to agree on their view of what other signers might be unavailable and thus send a global signal to issue an 'emergency mode' to allow network usage without credentials (as they would be unissuable).
it's quite straightforward contract with very simple interface. operators can only either propose a singer to be marked as offline or mark itself as online.
A signer is marked as offline if a specified quorum (contract parameter) sends voting transaction to the contract. It is determined as a ratio of all CW4 (as set in the DKG contract) group members.
There's also a small cooldown period between being marked as online and offline to prevent constantly going between those two states.
Execute Messages
UpdateAdmin- self-explanatory call, updates current contract adminProposeOrVote- allows caller to propose or cast a vote on particular DKG signer being offline and not issuing credentialsResetOfflineStatus- allows caller to reset its own offline status (i.e. after signer has been offline, this lets them announce to the world that they're back now)Query Messages
Admin- Returns information on the current adminGetConfig- Returns current config values of the contractGetActiveProposal- Returns information of the current active proposal against specific signerGetProposal- Returns information about proposal with the specified idGetVoteInformation- Returns information on the vote from the provided voter for the specified proposalGetOfflineSignerInformation- Returns offline signer information for the provided signerGetOfflineSignersAddressesAtHeight- Returns list of addresses of all signers marked as offline at provided height.GetLastStatusReset- Returns information on the last status reset of the provided signerGetActiveProposalsPaged- Returns all (paged) active proposalsGetProposalsPaged- Returns all (paged) proposalsGetVotesPaged- Returns all (paged) votes for the specified proposalGetOfflineSignersPaged- Returns all (paged) offline signersGetLastStatusResetPaged- Returns all (paged) status resetsCurrentSigningStatus- Returns the current signing status, i.e. whether credential issuance is still possibleSigningStatusAtHeight- Returns the signing status at provided block height, i.e. whether credential issuance was possible at that pointThis change is