Parliament Contract¶

Actions¶

Initialize¶

rpc Initialize(InitializeInput) returns (google.protobuf.Empty) {}

message InitializeInput{
    aelf.Address privileged_proposer = 1;
    bool proposer_authority_required = 2;
}

Initialize will set parliament proposer whitelist and create the first parliament organization with specific proposer_authority_required.

InitializeInput
- privileged proposer: privileged proposer would be the first address in parliament proposer whitelist.
- proposer authority required: the setting indicates if proposals need authority to be created for first/default parliament organization.

CreateOrganization¶

rpc CreateOrganization (CreateOrganizationInput) returns (aelf.Address) { }

message CreateOrganizationInput {
    acs3.ProposalReleaseThreshold proposal_release_threshold = 1;
    bool proposer_authority_required = 2;
    bool parliament_member_proposing_allowed = 3;
}

message OrganizationCreated{
    option (aelf.is_event) = true;
    aelf.Address organization_address = 1;
}

Creates parliament organization with input data.

CreateOrganizationInput
- ProposalReleaseThreshold: the threshold for releasing the proposal.
- proposer authority required: setting this to true can allow anyone to create proposals.
- parliament member proposing allowed: setting this to true can allow parliament member to create proposals.
ProposalReleaseThreshold
- minimal approval threshold: the value to be divided by 10000 for the minimum approval threshold in fraction.
- maximal rejection threshold: the value to be divided by 10000 for the maximal rejection threshold in fraction.
- maximal abstention threshold: the value to be divided by 10000 for the maximal abstention threshold in fraction.
- minimal vote threshold: the value to be divided by 10000 for the minimal vote threshold in fraction.
Returns
- Address: the address of newly created organization.
Events
- OrganizationCreated
  - organization address: the address of newly created organization.

CreateOrganizationBySystemContract¶

rpc CreateOrganizationBySystemContract(CreateOrganizationBySystemContractInput) returns (aelf.Address){}

message CreateOrganizationBySystemContractInput {
    CreateOrganizationInput organization_creation_input = 1;
    string organization_address_feedback_method = 2;
}

message OrganizationCreated{
    option (aelf.is_event) = true;
    aelf.Address organization_address = 1;
}

Creates parliament organization when called by system contract.

CreateOrganizationBySystemContractInput
- CreateOrganizationInput: the parameters of creating the organization.
- organization address feedback method: organization address callback method which replies the organization address to caller contract.

note: for CreateOrganizationInput see CreateOrganization

Returns
- Address: the address of newly created organization.
Events
- OrganizationCreated
  - organization address: the address of newly created organization.

ACS3 specific methods¶

CreateProposal¶

rpc CreateProposal (CreateProposalInput) returns (aelf.Hash) { }

message CreateProposalInput {
    string contract_method_name = 1;
    aelf.Address to_address = 2;
    bytes params = 3;
    google.protobuf.Timestamp expired_time = 4;
    aelf.Address organization_address = 5;
    string proposal_description_url = 6,
    aelf.Hash token = 7;
}

message ProposalCreated{
    option (aelf.is_event) = true;
    aelf.Hash proposal_id = 1;
}

This method creates a proposal for which organization members can vote. When the proposal is released, a transaction will be sent to the specified contract.

CreateProposalInput
- contract method name: the name of the method to call after release.
- to address: the address of the contract to call after release.
- expiration: the timestamp at which this proposal will expire.
- organization address: the address of the organization.
- proposal_description_url: the url is used for proposal describing.
- token: the token is for proposal id generation and with this token, proposal id can be calculated before proposing.
Returns
- Hash: id of the newly created proposal.
Events
- ProposalCreated
  - proposal_id: id of the created proposal.

Approve¶

rpc Approve (aelf.Hash) returns (google.protobuf.Empty){}

message ReceiptCreated {
    option (aelf.is_event) = true;
    aelf.Hash proposal_id = 1;
    aelf.Address address = 2;
    string receipt_type = 3;
    google.protobuf.Timestamp time = 4;
}

This method is called to approve the specified proposal.

Hash: id of the proposal.
Events
- ReceiptCreated
  - proposal id: id of the proposal.
  - address: send address who votes for approval.
  - receipt type: Approve.
  - time: timestamp of this method call.

Reject¶

rpc Reject(aelf.Hash) returns (google.protobuf.Empty){}

message ReceiptCreated {
    option (aelf.is_event) = true;
    aelf.Hash proposal_id = 1;
    aelf.Address address = 2;
    string receipt_type = 3;
    google.protobuf.Timestamp time = 4;
}

This method is called to reject the specified proposal.

Hash: id of the proposal.
Events
- ReceiptCreated
  - proposal id: id of the proposal.
  - address: send address who votes for reject.
  - receipt type: Reject.
  - time: timestamp of this method call.

Abstain¶

rpc Abstain(aelf.Hash) returns (google.protobuf.Empty){}

message ReceiptCreated {
    option (aelf.is_event) = true;
    aelf.Hash proposal_id = 1;
    aelf.Address address = 2;
    string receipt_type = 3;
    google.protobuf.Timestamp time = 4;
}

This method is called to abstain from the specified proposal.

Hash: id of the proposal.
Events
- ReceiptCreated
  - proposal id: id of the proposal.
  - address: send address who votes for abstention.
  - receipt type: Abstain.
  - time: timestamp of this method call.

Release¶

rpc Release(aelf.Hash) returns (google.protobuf.Empty){}

This method is called to release the specified proposal.

-Hash: id of the proposal.

Events
- ProposalReleased
  - proposal id: id of the proposal.

ChangeOrganizationThreshold¶

rpc ChangeOrganizationThreshold(ProposalReleaseThreshold) returns (google.protobuf.Empty){}

message ProposalReleaseThreshold {
    int64 minimal_approval_threshold = 1;
    int64 maximal_rejection_threshold = 2;
    int64 maximal_abstention_threshold = 3;
    int64 minimal_vote_threshold = 4;
}

message OrganizationThresholdChanged{
    option (aelf.is_event) = true;
    aelf.Address organization_address = 1;
    ProposalReleaseThreshold proposer_release_threshold = 2;
}

This method changes the thresholds associated with proposals. All fields will be overwritten by the input value and this will affect all current proposals of the organization. Note: only the organization can execute this through a proposal.

ProposalReleaseThreshold
- minimal approval threshold: the new value for the minimum approval threshold.
- maximal rejection threshold: the new value for the maximal rejection threshold.
- maximal abstention threshold: the new value for the maximal abstention threshold.
- minimal vote threshold: the new value for the minimal vote threshold.
Events
- OrganizationThresholdChanged
  - organization_address: the organization address.
  - proposer_release_threshold: the new release threshold.

ChangeOrganizationProposerWhiteList¶

rpc ChangeOrganizationProposerWhiteList(ProposerWhiteList) returns (google.protobuf.Empty){}

message ProposerWhiteList {
    repeated aelf.Address proposers = 1;
}

message OrganizationWhiteListChanged{
    option (aelf.is_event) = true;
    aelf.Address organization_address = 1;
    ProposerWhiteList proposer_white_list = 2;
}

This method overrides the list of whitelisted proposers.

ProposerWhiteList:
- proposers: the new value for the list.
Events
- OrganizationWhiteListChanged
  - organization_address: the organization address.
  - proposer_white_list: the new proposer whitelist.

CreateProposalBySystemContract¶

rpc CreateProposalBySystemContract(CreateProposalBySystemContractInput) returns (aelf.Hash){}

message CreateProposalBySystemContractInput {
    acs3.CreateProposalInput proposal_input = 1;
    aelf.Address origin_proposer = 2;
}

message ProposalCreated{
    option (aelf.is_event) = true;
    aelf.Hash proposal_id = 1;
}

Used by system contracts to create proposals.

CreateProposalBySystemContractInput
- CreateProposalInput: the parameters of creating a proposal.
- origin proposer: the actor that trigger the call.

note: for CreateProposalInput see CreateProposal

Returns
- Address: id of the newly created proposal.
Events
- ProposalCreated
  - proposal_id: id of the created proposal.

ClearProposal¶

rpc ClearProposal(aelf.Hash) returns (google.protobuf.Empty){}

Removes the specified proposal.

Hash: id of the proposal to be cleared.

ValidateOrganizationExist¶

rpc ValidateOrganizationExist(aelf.Address) returns (google.protobuf.BoolValue){}

Checks the existence of an organization.

Address: organization address to be checked.
Returns
- BoolValue: indicates whether the organization exists.

View methods¶

GetOrganization¶

rpc GetOrganization (aelf.Address) returns (Organization){}

message Organization {
    bool proposer_authority_required = 1;
    aelf.Address organization_address = 2;
    aelf.Hash organization_hash = 3;
    acs3.ProposalReleaseThreshold proposal_release_threshold = 4;
    bool parliament_member_proposing_allowed = 5;
}

Returns the organization with the provided organization address.

Address: organization address.
Returns
- Organization
  - proposer authority required: indicates if proposals need authority to be created.
  - organization_address: organization address.
  - organization hash: organization id.
  - ProposalReleaseThreshold: the threshold.
  - parliament member proposing allowed: indicates if parliament member can propose to this organization.

note: for ProposalReleaseThreshold see CreateOrganization

GetDefaultOrganizationAddress¶

rpc GetDefaultOrganizationAddress (google.protobuf.Empty) returns (aelf.Address){}

Returns
- Address: the address of the default organization.

ValidateAddressIsParliamentMember¶

rpc ValidateAddressIsParliamentMember(aelf.Address) returns (google.protobuf.BoolValue){}

Validates if the provided address is a parliament member.

Address: parliament member address to be checked.
Returns
- BoolValue: indicates whether provided address is one of parliament members.

GetProposerWhiteList¶

rpc GetProposerWhiteList(google.protobuf.Empty) returns (acs3.ProposerWhiteList){}

message ProposerWhiteList {
    repeated aelf.Address proposers = 1;
}

Returns a list of whitelisted proposers.

Returns
- proposers: the whitelisted proposers.

GetNotVotedPendingProposals¶

rpc GetNotVotedPendingProposals(ProposalIdList) returns (ProposalIdList) { }
message ProposalIdList{
    repeated aelf.Hash proposal_ids = 1;
}

Filter still pending ones not yet voted by the sender from provided proposals.

ProposalIdList
- proposal ids: list of proposal id.
Returns
- proposal ids: filtered proposal id list from input ones.

GetNotVotedProposals¶

rpc GetNotVotedProposals(ProposalIdList) returns (ProposalIdList){}
message ProposalIdList{
    repeated aelf.Hash proposal_ids = 1;
}

Filter not yet voted ones by the sender from provided proposals.

ProposalIdList
- proposal ids: list of proposal id.
Returns
- proposal ids: filtered proposal id list from input ones.

CalculateOrganizationAddress¶

rpc CalculateOrganizationAddress(CreateOrganizationInput) returns (aelf.Address){}

message CreateOrganizationInput {
    acs3.ProposalReleaseThreshold proposal_release_threshold = 1;
    bool proposer_authority_required = 2;
    bool parliament_member_proposing_allowed = 3;
}

Calculates with input and returns the organization address.

CreateOrganizationInput
- ProposalReleaseThreshold: the threshold.
- proposer authority required: setting this to true can allow anyone to create proposals.
- parliament member proposing allowed: setting this to true can allow parliament member to create proposals.

note: for ProposalReleaseThreshold see CreateOrganization

Returns
- Address: organization address.

GetProposal¶

rpc GetProposal(aelf.Hash) returns (ProposalOutput){}

message ProposalOutput {
    aelf.Hash proposal_id = 1;
    string contract_method_name = 2;
    aelf.Address to_address = 3;
    bytes params = 4;
    google.protobuf.Timestamp expired_time = 5;
    aelf.Address organization_address = 6;
    aelf.Address proposer = 7;
    bool to_be_released = 8;
    int64 approval_count = 9;
    int64 rejection_count = 10;
    int64 abstention_count = 11;
}

Get the proposal with the given id.

Hash: proposal id.
Returns
- proposal id: id of the proposal.
- method name: the method that this proposal will call when being released.
- to address: the address of the target contract.
- params: the parameters of the release transaction.
- expiration: the date at which this proposal will expire.
- organization address: address of this proposals organization.
- proposer: address of the proposer of this proposal.
- to be release: indicates if this proposal is releasable.
- approval count: approval count for this proposal.
- rejection count: rejection count for this proposal.
- abstention count: abstention count for this proposal.

ValidateProposerInWhiteList¶

rpc ValidateProposerInWhiteList(ValidateProposerInWhiteListInput) returns (google.protobuf.BoolValue){}

message ValidateProposerInWhiteListInput {
    aelf.Address proposer = 1;
    aelf.Address organization_address = 2;
}

Checks if the proposer is whitelisted.

ValidateProposerInWhiteListInput
- proposer: the address to search/check.
- organization address: address of the organization.
Returns
- BoolValue: indicates whether the proposer is whitelisted.