WebAssembly

API

class terra_sdk.client.lcd.api.wasm.WasmAPI(c)

code_info(code_id)

Fetches information about an uploaded code.

Parameters

code_id (int) – code ID

Returns

code information

Return type

dict

contract_info(contract_address)

Fetches information about an uploaded code.

Parameters

code_id (int) – code ID

Returns

code information

Return type

dict

contract_query(contract_address, query_msg)

Runs a QueryMsg on a contract.

Parameters

• contract_address (str) – contract address

• query_msg (dict) – QueryMsg to run

Returns

results of query

Return type

Any

parameters()

Fetches the Wasm module parameters.

Returns

Wasm module parameters

Return type

dict

Functions

Wasm module messages.

terra_sdk.core.wasm.msgs.b64_to_dict(data)

Converts ASCII-encoded base64 encoded string to dict.

Return type

dict

terra_sdk.core.wasm.msgs.dict_to_b64(data)

Converts dict to ASCII-encoded base64 encoded string.

Return type

str

Messages

Wasm module messages.

class terra_sdk.core.wasm.msgs.MsgExecuteContract(sender, contract, execute_msg, coins=NOTHING)

Execute a state-mutating function on a smart contract.

Parameters

• sender (AccAddress) – address of sender

• contract (AccAddress) – address of contract to execute function on

• execute_msg (dict) – ExecuteMsg (aka. HandleMsg) to pass

• coins – coins to be sent, if needed by contract to execute. Defaults to empty Coins()

to_data()

Converts the object to its JSON-serializable Python data representation.

Return type

dict

type: str = 'wasm/MsgExecuteContract'

class terra_sdk.core.wasm.msgs.MsgInstantiateContract(owner, code_id, init_msg, init_coins=NOTHING, migratable=False)

Creates a new instance of a smart contract from existing code on the blockchain.

Parameters

• owner (AccAddress) – address of contract owner

• code_id (int) – code ID to use for instantiation

• init_msg (dict) – InitMsg to initialize contract

• init_coins (Coins) – initial amount of coins to be sent to contract

• migratable (bool) – whether the owner can change contract code IDs

to_data()

Converts the object to its JSON-serializable Python data representation.

Return type

dict

type: str = 'wasm/MsgInstantiateContract'

class terra_sdk.core.wasm.msgs.MsgMigrateContract(owner, contract, new_code_id, migrate_msg)

Migrate the contract to a different code ID.

Parameters

• owner (AccAddress) – address of owner

• contract (AccAddress) – address of contract to migrate

• new_code_id (int) – new code ID to migrate to

• migrate_msg (dict) – MigrateMsg to execute

to_data()

Converts the object to its JSON-serializable Python data representation.

Return type

dict

type: str = 'wasm/MsgMigrateContract'

class terra_sdk.core.wasm.msgs.MsgStoreCode(sender, wasm_byte_code)

Upload a new smart contract WASM binary to the blockchain.

Parameters

• sender (AccAddress) – address of sender

• wasm_byte_code – base64-encoded string containing bytecode

type: str = 'wasm/MsgStoreCode'

class terra_sdk.core.wasm.msgs.MsgUpdateContractOwner(owner, new_owner, contract)

Update a smart contract’s owner.

Parameters

• owner (AccAddress) – address of current owner (sender)

• new_owner (AccAddress) – address of new owner

• contract (AccAddress) – address of contract to change

type: str = 'wasm/MsgUpdateContractOwner'