AElf.Contracts.Economic

Economic contract.

The Economic contract establishes the economic system of the AElf. When the block chain starts to work, this contract will initialize other contracts related to economic activities.

Implement AElf Standards ACS1.

Contract Methods

Method Name

Request Type

Response Type

Description

IssueNativeToken

Economic.IssueNativeTokenInput

google.protobuf.Empty

Only ZeroContract is able to issue the native token.

InitialEconomicSystem

Economic.InitialEconomicSystemInput

google.protobuf.Empty

It will initialize other contracts related to economic activities (For instance, create the native token). This transaction only can be send once because after the first sending, its state will be set to initialized.

AElf.Standards.ACS1

Method Name

Request Type

Response Type

Description

SetMethodFee

acs1.MethodFees

google.protobuf.Empty

Set the method fees for the specified method. Note that this will override all fees of the method.

ChangeMethodFeeController

AuthorityInfo

google.protobuf.Empty

Change the method fee controller, the default is parliament and default organization.

GetMethodFee

google.protobuf.StringValue

acs1.MethodFees

Query method fee information by method name.

GetMethodFeeController

google.protobuf.Empty

AuthorityInfo

Query the method fee controller.

Contract Types

AElf.Contracts.Economic

Economic.InitialEconomicSystemInput

Field

Type

Description

Label

native_token_symbol

string

The native token symbol.

native_token_name

string

The native token name.

native_token_total_supply

int64

The native token total supply.

native_token_decimals

int32

The accuracy of the native token.

is_native_token_burnable

bool

It indicates if the token is burnable.

mining_reward_total_amount

int64

It determines how much native token is used to reward the miners.

transaction_size_fee_unit_price

int64

todo : remove unused fields

Economic.IssueNativeTokenInput

Field

Type

Description

Label

amount

int64

The amount of token.

memo

string

The memo.

to

aelf.Address

The recipient of the token.

Economic.IssueResourceTokenInput

Field

Type

Description

Label

symbol

string

The symbol of resource token.

amount

int64

The amount of resource token.

memo

string

The memo.

to

aelf.Address

The recipient of the token.

AElf.Standards.ACS1

acs1.MethodFee

Field

Type

Description

Label

symbol

string

The token symbol of the method fee.

basic_fee

int64

The amount of fees to be charged.

acs1.MethodFees

Field

Type

Description

Label

method_name

string

The name of the method to be charged.

fees

MethodFee

List of fees to be charged.

repeated

is_size_fee_free

bool

Optional based on the implementation of SetMethodFee method.

AElf.Types

aelf.Address

Field

Type

Description

Label

value

bytes

aelf.BinaryMerkleTree

Field

Type

Description

Label

nodes

Hash

The leaf nodes.

repeated

root

Hash

The root node hash.

leaf_count

int32

The count of leaf node.

aelf.Hash

Field

Type

Description

Label

value

bytes

aelf.LogEvent

Field

Type

Description

Label

address

Address

The contract address.

name

string

The name of the log event.

indexed

bytes

The indexed data, used to calculate bloom.

repeated

non_indexed

bytes

The non indexed data.

aelf.MerklePath

Field

Type

Description

Label

merkle_path_nodes

MerklePathNode

The merkle path nodes.

repeated

aelf.MerklePathNode

Field

Type

Description

Label

hash

Hash

The node hash.

is_left_child_node

bool

Whether it is a left child node.

aelf.SInt32Value

Field

Type

Description

Label

value

sint32

aelf.SInt64Value

Field

Type

Description

Label

value

sint64

aelf.ScopedStatePath

Field

Type

Description

Label

address

Address

The scope address, which will be the contract address.

path

StatePath

The path of contract state.

aelf.SmartContractRegistration

Field

Type

Description

Label

category

sint32

The category of contract code(0: C#).

code

bytes

The byte array of the contract code.

code_hash

Hash

The hash of the contract code.

is_system_contract

bool

Whether it is a system contract.

version

int32

The version of the current contract.

aelf.StatePath

Field

Type

Description

Label

parts

string

The partial path of the state path.

repeated

aelf.Transaction

Field

Type

Description

Label

from

Address

The address of the sender of the transaction.

to

Address

The address of the contract when calling a contract.

ref_block_number

int64

The height of the referenced block hash.

ref_block_prefix

bytes

The first four bytes of the referenced block hash.

method_name

string

The name of a method in the smart contract at the To address.

params

bytes

The parameters to pass to the smart contract method.

signature

bytes

When signing a transaction it’s actually a subset of the fields: from/to and the target method as well as the parameter that were given. It also contains the reference block number and prefix.

aelf.TransactionExecutingStateSet

Field

Type

Description

Label

writes

TransactionExecutingStateSet.WritesEntry

The changed states.

repeated

reads

TransactionExecutingStateSet.ReadsEntry

The read states.

repeated

deletes

TransactionExecutingStateSet.DeletesEntry

The deleted states.

repeated

aelf.TransactionExecutingStateSet.DeletesEntry

Field

Type

Description

Label

key

string

value

bool

aelf.TransactionExecutingStateSet.ReadsEntry

Field

Type

Description

Label

key

string

value

bool

aelf.TransactionExecutingStateSet.WritesEntry

Field

Type

Description

Label

key

string

value

bytes

aelf.TransactionResult

Field

Type

Description

Label

transaction_id

Hash

The transaction id.

status

TransactionResultStatus

The transaction result status.

logs

LogEvent

The log events.

repeated

bloom

bytes

Bloom filter for transaction logs. A transaction log event can be defined in the contract and stored in the bloom filter after the transaction is executed. Through this filter, we can quickly search for and determine whether a log exists in the transaction result.

return_value

bytes

The return value of the transaction execution.

block_number

int64

The height of the block hat packages the transaction.

block_hash

Hash

The hash of the block hat packages the transaction.

error

string

Failed execution error message.

aelf.TransactionResultStatus

Name

Number

Description

NOT_EXISTED

0

The execution result of the transaction does not exist.

PENDING

1

The transaction is in the transaction pool waiting to be packaged.

FAILED

2

Transaction execution failed.

MINED

3

The transaction was successfully executed and successfully packaged into a block.

CONFLICT

4

When executed in parallel, there are conflicts with other transactions.

PENDING_VALIDATION

5

The transaction is waiting for validation.

NODE_VALIDATION_FAILED

6

Transaction validation failed.

AuthorityInfo

Field

Type

Description

Label

contract_address

aelf.Address

The contract address of the controller.

owner_address

aelf.Address

The address of the owner of the contract.