17 lines
565 B
Markdown
17 lines
565 B
Markdown
# @polkadot/api-contract
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Interfaces to allow for the encoding and decoding of Substrate contract ABIs.
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```js
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import {ApiPromise, WsProvider } from '@polkadot/api';
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import { Abi } from '@polkadot/api-contract';
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const wsProvider = new WsProvider(<...Node Url...>);
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const api = await ApiPromise.create({ provider: wsProvider });
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const abi = new Abi(api.registry, <...JSON ABI...>);
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api.tx.contracts
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.call(<contract addr>, <value>, <max gas>, abi.messages.<method name>(<...params...>))
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.signAndSend(<keyring pair>, (result: SubmittableResult) => { ... });
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```
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