21 lines
		
	
	
		
			733 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			21 lines
		
	
	
		
			733 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import {RPC} from './rpc';
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export class BlockchainLifecycle {
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    private rpc: RPC;
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    private snapshotId: number;
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    constructor() {
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        this.rpc = new RPC();
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    }
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    // TODO: In order to run these tests on an actual node, we should check if we are running against
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    // TestRPC, if so, use snapshots, otherwise re-deploy contracts before every test
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    public async startAsync(): Promise<void> {
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        this.snapshotId = await this.rpc.takeSnapshotAsync();
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    }
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    public async revertAsync(): Promise<void> {
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        const didRevert = await this.rpc.revertSnapshotAsync(this.snapshotId);
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        if (!didRevert) {
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            throw new Error(`Snapshot with id #${this.snapshotId} failed to revert`);
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        }
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    }
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}
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