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Merge pull request #1367 from o1-labs/use-network-genesis-constants
Use actual network genesis constants (genesisTimestamp, slotTime, accountCreationFee).
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| import { expect } from 'expect'; | ||
| import { Lightnet, Mina, PrivateKey, UInt64, fetchAccount } from 'o1js'; | ||
|
|
||
| const useCustomLocalNetwork = process.env.USE_CUSTOM_LOCAL_NETWORK === 'true'; | ||
| Mina.setActiveInstance(configureMinaNetwork()); | ||
| const transactionFee = 100_000_000; | ||
| let defaultNetworkConstants: Mina.NetworkConstants = { | ||
| genesisTimestamp: UInt64.from(0), | ||
| slotTime: UInt64.from(3 * 60 * 1000), | ||
| accountCreationFee: UInt64.from(1_000_000_000), | ||
| }; | ||
| const { sender } = await configureFeePayer(); | ||
|
|
||
| await checkDefaultNetworkConstantsFetching(); | ||
| await checkActualNetworkConstantsFetching(); | ||
|
|
||
| await tearDown(); | ||
|
|
||
| async function checkDefaultNetworkConstantsFetching() { | ||
| console.log( | ||
| '\nCase #1: check that default network constants can be fetched outside of the transaction scope.' | ||
| ); | ||
| const networkConstants = Mina.getNetworkConstants(); | ||
| expect(defaultNetworkConstants).toEqual(networkConstants); | ||
| logNetworkConstants(networkConstants); | ||
| } | ||
|
|
||
| async function checkActualNetworkConstantsFetching() { | ||
| console.log( | ||
| '\nCase #2: check that actual network constants can be fetched within the transaction scope.' | ||
| ); | ||
| let networkConstants: Mina.NetworkConstants | undefined; | ||
| await Mina.transaction({ sender, fee: transactionFee }, () => { | ||
| networkConstants = Mina.getNetworkConstants(); | ||
| }); | ||
| expect(networkConstants?.slotTime).not.toBeUndefined(); | ||
| expect(networkConstants?.genesisTimestamp).not.toBeUndefined(); | ||
| expect(defaultNetworkConstants).not.toEqual(networkConstants); | ||
| logNetworkConstants(networkConstants); | ||
| } | ||
|
|
||
| function configureMinaNetwork() { | ||
| const minaGraphQlEndpoint = useCustomLocalNetwork | ||
| ? 'http://localhost:8080/graphql' | ||
| : 'https://berkeley.minascan.io/graphql'; | ||
| return Mina.Network({ | ||
| mina: minaGraphQlEndpoint, | ||
| archive: useCustomLocalNetwork | ||
| ? 'http://localhost:8282' | ||
| : 'https://api.minascan.io/archive/berkeley/v1/graphql', | ||
| lightnetAccountManager: 'http://localhost:8181', | ||
| }); | ||
| } | ||
|
|
||
| async function configureFeePayer() { | ||
| const senderKey = useCustomLocalNetwork | ||
| ? (await Lightnet.acquireKeyPair()).privateKey | ||
| : PrivateKey.random(); | ||
| const sender = senderKey.toPublicKey(); | ||
| if (!useCustomLocalNetwork) { | ||
| console.log(`\nFunding the fee payer account.`); | ||
| await Mina.faucet(sender); | ||
| } | ||
| console.log(`\nFetching the fee payer account information.`); | ||
| const accountDetails = (await fetchAccount({ publicKey: sender })).account; | ||
| console.log( | ||
| `Using the fee payer account ${sender.toBase58()} with nonce: ${ | ||
| accountDetails?.nonce | ||
| } and balance: ${accountDetails?.balance}.` | ||
| ); | ||
| return { sender, senderKey }; | ||
| } | ||
|
|
||
| async function tearDown() { | ||
| const keyPairReleaseMessage = await Lightnet.releaseKeyPair({ | ||
| publicKey: sender.toBase58(), | ||
| }); | ||
| if (keyPairReleaseMessage) console.info('\n' + keyPairReleaseMessage); | ||
| } | ||
|
|
||
| function logNetworkConstants( | ||
| networkConstants: Mina.NetworkConstants | undefined | ||
| ) { | ||
| console.log(`Account creation fee: ${networkConstants?.accountCreationFee}`); | ||
| console.log(`Slot time: ${networkConstants?.slotTime}`); | ||
| console.log(`Genesis timestamp: ${networkConstants?.genesisTimestamp}`); | ||
| console.log( | ||
| `Genesis date: ${new Date( | ||
| Number(networkConstants?.genesisTimestamp.toString() ?? '0') | ||
| )}` | ||
| ); | ||
| } |
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