Jaco Greeff
47fc4a2b3c
* Bump deps w/ eslint * Additional cleanups * Additional * @polkadot/types done * Additional * @polkadot/typegen done * Additional * @polkadot/rpc-core done * Additional * Additional * Additional * docs * @polkadot/api-derive done * @polkadot/api done * @polkadot/api-contracts done * Update tests
76 lines
2.8 KiB
TypeScript
76 lines
2.8 KiB
TypeScript
// Copyright 2017-2020 @polkadot/api-contract authors & contributors
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// This software may be modified and distributed under the terms
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// of the Apache-2.0 license. See the LICENSE file for details.
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import { ApiTypes, DecorateMethod } from '@polkadot/api/types';
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import { AccountId, Address, Hash } from '@polkadot/types/interfaces';
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import { IKeyringPair, ISubmittableResult } from '@polkadot/types/types';
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import { ApiObject, ContractABIPre } from '../types';
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import BN from 'bn.js';
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import { Observable } from 'rxjs';
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import { map } from 'rxjs/operators';
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import { SubmittableResult } from '@polkadot/api';
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import { assert } from '@polkadot/util';
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import Abi from '../Abi';
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import Contract from './Contract';
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import { BaseWithTx } from './util';
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type BlueprintCreateResultSubscription<ApiType extends ApiTypes> = Observable<BlueprintCreateResult<ApiType>>;
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export interface BlueprintCreate<ApiType extends ApiTypes> {
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signAndSend (account: IKeyringPair | string | AccountId | Address): BlueprintCreateResultSubscription<ApiType>;
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}
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class BlueprintCreateResult<ApiType extends ApiTypes> extends SubmittableResult {
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public readonly contract?: Contract<ApiType>;
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constructor (result: ISubmittableResult, contract?: Contract<ApiType>) {
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super(result);
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this.contract = contract;
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}
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}
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// NOTE Experimental, POC, bound to change
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export default class Blueprint<ApiType extends ApiTypes> extends BaseWithTx<ApiType> {
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public readonly codeHash: Hash;
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constructor (api: ApiObject<ApiType>, abi: ContractABIPre | Abi, decorateMethod: DecorateMethod<ApiType>, codeHash: string | Hash) {
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super(api, abi, decorateMethod);
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this.codeHash = this.registry.createType('Hash', codeHash);
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}
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public deployContract (constructorIndex = 0, endowment: number | BN, maxGas: number | BN, ...params: any[]): BlueprintCreate<ApiType> {
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assert(!!this.abi.constructors[constructorIndex], `Specified constructor index ${constructorIndex} does not exist`);
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return {
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// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
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signAndSend: this.decorateMethod(
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(account: IKeyringPair | string | AccountId | Address): BlueprintCreateResultSubscription<ApiType> => {
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return this._apiContracts
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.create(endowment, maxGas, this.codeHash, this.abi.constructors[constructorIndex](...params))
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.signAndSend(account)
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.pipe(map(this._createResult));
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}
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)
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};
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}
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private _createResult = (result: SubmittableResult): BlueprintCreateResult<ApiType> => {
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let contract: Contract<ApiType> | undefined;
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if (result.isInBlock) {
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const record = result.findRecord('contract', 'Instantiated');
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if (record) {
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contract = new Contract<ApiType>(this.api, this.abi, this.decorateMethod, record.event.data[1] as Address);
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}
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}
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return new BlueprintCreateResult(result, contract);
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}
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}
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