System Contracts¶

AccountCreateContract¶

message AccountCreateContract {
  bytes owner_address = 1;
  bytes account_address = 2;
  AccountType type = 3;
}

• owner_address: The owner of the current account.
• account_address: The target address to create.
• type: Account type. 0 means normal account; 1 means the Genesis account; 2 means smart contract account.

TransferContract¶

message TransferContract {
  bytes owner_address = 1;
  bytes to_address = 2;
  int64 amount = 3;
}

• owner_address: The owner of the current account.
• to_address: The target address to transfer.
• amount: The amount of STB to transfer.

TransferAssetContract¶

message TransferAssetContract {
  bytes asset_name = 1;
  bytes owner_address = 2;
  bytes to_address = 3;
  int64 amount = 4;
}

• asset_name: The token id to transfer.
• owner_address: The owner of the current account.
• to_address: The target address to transfer.
• amount: The amount of token to transfer.

VoteExecutiveContract¶

message VoteExecutiveContract {
  message Vote {
    bytes vote_address = 1;
    int64 vote_count = 2;
  }
  bytes owner_address = 1;
  repeated Vote votes = 2;
  bool support = 3;
}

• owner_address: The owner of the current account.
• vote_address: The Governor or candidate's address.
• vote_count: The votes number.
• support: Constant true, not used.

ExecutiveCreateContract¶

message ExecutiveCreateContract {
  bytes owner_address = 1;
  bytes url = 2;
}

• owner_address: The owner of the current account.
• url: The website url of the executive.

AssetIssueContract¶

message AssetIssueContract {
  message CdedSupply {
    int64 cded_amount = 1;
    int64 cded_days = 2;
  }
  bytes owner_address = 1;
  bytes name = 2;
  bytes abbr = 3;
  int64 total_supply = 4;
  repeated CdedSupply cded_supply = 5;
  int32 stb_num = 6;
  int32 num = 8;
  int64 start_time = 9;
  int64 end_time = 10;
  int64 order = 11; // the order of tokens of the same name
  int32 vote_score = 16;
  bytes description = 20;
  bytes url = 21;
  int64 free_asset_net_limit = 22;
  int64 public_free_asset_net_limit = 23;
  int64 public_free_asset_net_usage = 24;
  int64 public_latest_free_net_time = 25;
}

• owner_address: The owner of the current account.
• name: The token name to issue.
• abbr: The abbreviation of the token name.
• total_supply: The amount of token to issue.
• cded_supply: The amount of token and staked days to stake.
• stb_num: stb_num/num defines the token price.
• num: stb_num/num defines the token price.
• start_time: ICO starts time.
• end_time: ICO ends time.
• order: Deprecated.
• vote_score: Deprecated.
• description: The description of the token.
• url: The website url of the token.
• free_asset_net_limit: The free bandwidth limit each account owns when transfers asset.
• public_free_asset_net_limit: The free bandwidth limit all the accounts can use.
• public_free_asset_net_usage: The free bandwidth usage of all the accounts.
• public_latest_free_net_time: The latest bandwidth consumption time of token transfer.

ExecutiveUpdateContract¶

message ExecutiveUpdateContract {
  bytes owner_address = 1;
  bytes update_url = 12;
}

• owner_address: The owner of the current account.
• update_url: The website url of the executive.

ParticipateAssetIssueContract¶

message ParticipateAssetIssueContract {
  bytes owner_address = 1;
  bytes to_address = 2;
  bytes asset_name = 3;
  int64 amount = 4;
}

• owner_address: The owner of the current account.
• to_address: The token owner address.
• account_name: The token id.
• amount: The amount of token to purchase.

AccountUpdateContract¶

// Update account name. Account name is unique now.
message AccountUpdateContract {
  bytes account_name = 1;
  bytes owner_address = 2;
}

• owner_address: The owner of the current account.
• account_name: Account name.

CdBalanceContract¶

message CdBalanceContract {
  bytes owner_address = 1;
  int64 cded_balance = 2;
  int64 cded_duration = 3;
  ResourceCode resource = 10;
  bytes receiver_address = 15;
}

• owner_address: The owner of the current account.
• cded_balance: The amount of STB to stake.
• cded_duration: The stake duration.
• resource: The type of resource get by staking STB.
• receiver_address: The account address to receive resource.

UncdBalanceContract¶

message UncdBalanceContract {
  bytes owner_address = 1;
  ResourceCode resource = 10;
  bytes receiver_address = 13;
}

• owner_address: The owner of the current account.
• resource: The type of resource to unfree.
• receiver_address: The account address to receive resource.

WithdrawBalanceContract¶

message WithdrawBalanceContract {
  bytes owner_address = 1;
}

• owner_address: The owner of the current account.

UncdAssetContract¶

message UncdAssetContract {
  bytes owner_address = 1;
}

• owner_address: The owner of the current account.

UpdateAssetContract¶

message UpdateAssetContract {
  bytes owner_address = 1;
  bytes description = 2;
  bytes url = 3;
  int64 new_limit = 4;
  int64 new_public_limit = 5;
}

• owner_address: The owner of the current account.
• description: The description of the token.
• url: The website url of the token.
• new_limit: The bandwidth consumption limit of each account when transfers asset.
• new_public_limit: The bandwidth consumption limit of the accounts.

ProposalCreateContract¶

message ProposalCreateContract {
  bytes owner_address = 1;
  map<int64, int64> parameters = 2;
}

• owner_address: The owner of the current account.
• parameters: The proposal.

ProposalApproveContract¶

message ProposalApproveContract {
  bytes owner_address = 1;
  int64 proposal_id = 2;
  bool is_add_approval = 3; // add or remove approval
}

• owner_address: The owner of the current account.
• proposal_id: The proposal id.
• is_add_approval: Whether to approve.

ProposalDeleteContract¶

message ProposalDeleteContract {
  bytes owner_address = 1;
  int64 proposal_id = 2;
}

• owner_address: The owner of the current account.
• proposal_id: The proposal id.

SetAccountIdContract¶

// Set account id if the account has no id. Account id is unique and case insensitive.
message SetAccountIdContract {
  bytes account_id = 1;
  bytes owner_address = 2;
}

• owner_address: The owner of the current account.
• account_id: The account id.

CreateSmartContract¶

message CreateSmartContract {
  bytes owner_address = 1;
  SmartContract new_contract = 2;
  int64 call_token_value = 5;
  int64 token_id = 6;
}

• owner_address: The owner of the current account.
• new_contract: the smart contract.
• call_token_value : The amount of SRC-10 token to send to the contract when triggers.
• token_id : The id of the SRC-10 token to be sent to the contract.

TriggerSmartContract¶

message TriggerSmartContract {
  bytes owner_address = 1;
  bytes contract_address = 2;
  int64 call_value = 3;
  bytes data = 4;
  int64 call_token_value = 5;
  int64 token_id = 6;
}

• owner_address: The owner of the current account.
• contract_address: The contract address.
• call_value: The amount of STB to send to the contract when triggers.
• data: The parameters to trigger the contract.
• call_token_value : The amount of SRC-10 token to send to the contract when triggers.
• token_id : The id of the SRC-10 token to be sent to the contract.

UpdateSettingContract¶

message UpdateSettingContract {
  bytes owner_address = 1;
  bytes contract_address = 2;
  int64 consume_user_resource_percent = 3;
}

• owner_address: The owner of the current account.
• contract_address: The address of the smart contract.
• consume_user_resource_percent: The percentage of resource consumption ratio.

ExchangeCreateContract¶

message ExchangeCreateContract {
  bytes owner_address = 1;
  bytes first_token_id = 2;
  int64 first_token_balance = 3;
  bytes second_token_id = 4;
  int64 second_token_balance = 5;
}

• owner_address: The owner of the current account.
• first_token_id: First token id.
• first_token_balance: First token balance.
• second_token_id: Second token id.
• second_token_balance: Second token balance.

ExchangeInjectContract¶

message ExchangeInjectContract {
  bytes owner_address = 1;
  int64 exchange_id = 2;
  bytes token_id = 3;
  int64 quant = 4;
}

• owner_address: The owner of the current account.
• exchange_id: The token pair id.
• token_id: The token id to inject.
• quant: The token amount to inject.

ExchangeWithdrawContract¶

message ExchangeWithdrawContract {
  bytes owner_address = 1;
  int64 exchange_id = 2;
  bytes token_id = 3;
  int64 quant = 4;
}

• owner_address: The owner of the current account.
• exchange_id: The token pair id.
• token_id: The token id to withdraw.
• quant: The token amount to withdraw.

ExchangeTransactionContract¶

message ExchangeTransactionContract {
  bytes owner_address = 1;
  int64 exchange_id = 2;
  bytes token_id = 3;
  int64 quant = 4;
}

• owner_address: The owner of the current account.
• exchange_id: The token pair id.
• token_id: The token id to sell.
• quant: The token amount to sell.

ShieldedTransferContract¶

message ShieldedTransferContract {
  bytes transparent_from_address = 1;
  int64 from_amount = 2;
  repeated SpendDescription spend_description = 3;
  repeated ReceiveDescription receive_description = 4;
  bytes binding_signature = 5;
  bytes transparent_to_address = 6;
  int64 to_amount = 7;
}

• transparent_from_address: The transparent address of the sender.
• from_amount: The amount to send.
• spend_description: Shielded spend information.
• receive_description: Shielded receive information.
• binding_signature: The binding signature.
• transparent_to_address: The transparent address of the receiver.
• to_amount: The amount to receive.

message SpendDescription {
  bytes value_commitment = 1;
  bytes anchor = 2;
  bytes nullifier = 3;
  bytes rk = 4;
  bytes zkproof = 5;
  bytes spend_authority_signature = 6;
}

• value_commitment: value commitment of spender's transfer amount.
• anchor: root of the note commitment Merkle tree at some block.
• nullifier: nullifier of spender's note, to prevent double-spent.
• rk: public key, to verify spender's Spend Authorization Signature.
• zkproof: zero-knowledge proof of spender's note, prove that this note exists and could be spent.
• spend_authority_signature: the spender's Spend Authorization Signature.

message ReceiveDescription {
  bytes value_commitment = 1;
  bytes note_commitment = 2;
  bytes epk = 3;
  bytes c_enc = 4;
  bytes c_out = 5;
  bytes zkproof = 6;
}

• value_commitment: value commitment of receiver's transfer amount.
• note_commitment: commitment of the receiver's not.
• epk: ephemeral public key, in order to generate note's decryption key.
• c_enc: part of note ciphertext, encryption of diversifier, receiver's transfer amount, rcm, and memo.
• c_out: part of note ciphertext, encryption of the receiver's public key and ephemeral private key.
• zkproof: zero-knowledge proof of the receiver's note.

Multi Signature¶

Multi-Signature

ClearABIContract¶

message ClearABIContract {
  bytes owner_address = 1;
  bytes contract_address = 2;
}

• owner_address: The owner of the current account.
• account_address: The target contract address to clear ABI.

UpdateBrokerageContract¶

message UpdateBrokerageContract {
  bytes owner_address = 1;
  int32 brokerage = 2;
}

• owner_address: The owner of the current account.
• brokerage: Commission rate, from 0 to 100,1 mean 1%.

UpdateUcrLimitContract¶

message UpdateUcrLimitContract {
  bytes owner_address = 1;
  bytes contract_address = 2;
  int64 origin_ucr_limit = 3;
}

• owner_address: The owner of the current account.
• contract_address: The contract address.
• origin_ucr_limit: The target ucr limit to change.