Contract

Contract class

Contract class is used to create an object which does operations related to a contract such as deploying, interacting with network. One can also list query, execute methods available for the contract using this class.

Constructor

Contract constructor requires 1 argument, contract name. If contract .wasm file is not present in artifacts then this constructor will throw an error.

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const contract = new CounterContract();

deploy()

Deploys the contract.

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const deploy_response = await contract.deploy(contract_owner);

Gives following response:

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{

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codeId: <code-id-val>,

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contractCodeHash: <code-hash-val>,

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deployTimestamp: <timestamp>

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}

instantiate()

Instantiate the contract.

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const contract_info = await contract.instantiate(

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{

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"name": "ERC20", "symbol": "ERC", "decimals": 10,

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"initial_balances": [{

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"address": contract_owner.account.address,

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"amount": "100000000"

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}]

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}, "deploy test", contract_owner);

Gives following response:

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{

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contractAddress: <contract-address>,

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instantiateTimestamp: <timestamp>

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}

To list contract's execute methods, print contract.tx.

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wasmkit> contract.tx

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{ Approve: [Function (anonymous)], Transfer: [Function (anonymous), TransferFrom: [Function (anonymous), Burn: [Function (anonymous)] }

query methods

To list contract's query methods, print contract.query.

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wasmkit> contract.query

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{ Balance: [Function (anonymous), Allowance: [Function (anonymous)] }