The GanacheProvider uses an in-memory Ethereum instance (via Ganache) which can be used for testing allowing free transactions and performing explicit operations against an account not normally possible on a real network.
/home/ricmoo> npm install @ethers-ext/provider-ganache
import { GanacheProvider } from "@ethers-ext/provider-ganache";
// Create a new in-memory GanacheProvider
const provider = new GanacheProvider();
///////////////////
// Snapshots
const revert = await provider.snapshot();
// ... perform operations
// Revert back to the snapshot state
await revert();
///////////////////
// Account State
await provider.setAccount(addr, {
balance: 1000000000000000000n,
nonce: 5,
code: "0x00"
});
await provider.setStorageAt(addr, 123, data);new GanacheProvider(optionsOrGanache?)
When constructing a GanacheProvider, either the standard options normally passed to Ganache may be used or an existing Ganache instance created with the desired configuration.
provider.snapshot() => Promise<() => void>
Takes a snapshot of the current state and resolves to a function, that when called will revert the Provider to the state at the time snapshot was called.
provider.setAccount(address, state) => Promise<void>
Sets account state for address. The state can include any of the properties balance, code or nonce.
provider.setStorageAt(address, slot, value) => Promise<void>
Sets the storage for address at slot to value.
provider.mine() => Promise<void>
Mines a block.
MIT License.
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