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lang: Sends lamports to payer on init #648

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Aug 31, 2021
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lang: Sends lamports to payer on init #648

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71be352
lang: Sends lamports to payer on init
armaniferrante Aug 29, 2021
7d6be91
Add tests
armaniferrante Aug 29, 2021
4be88db
Update
armaniferrante Aug 31, 2021
65dff1a
Update
armaniferrante Aug 31, 2021
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122 changes: 122 additions & 0 deletions examples/misc/tests/misc.js
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Original file line number Diff line number Diff line change
Expand Up @@ -386,6 +386,28 @@ describe("misc", () => {
assert.ok(account.data === 3);
});

it("Can init a random account prefunded", async () => {
const data = anchor.web3.Keypair.generate();
await program.rpc.testInit({
accounts: {
data: data.publicKey,
payer: program.provider.wallet.publicKey,
systemProgram: anchor.web3.SystemProgram.programId,
},
signers: [data],
instructions: [
anchor.web3.SystemProgram.transfer({
fromPubkey: program.provider.wallet.publicKey,
toPubkey: data.publicKey,
lamports: 4039280,
}),
],
});

const account = await program.account.dataI8.fetch(data.publicKey);
assert.ok(account.data === 3);
});

it("Can init a random zero copy account", async () => {
const data = anchor.web3.Keypair.generate();
await program.rpc.testInitZeroCopy({
Expand Down Expand Up @@ -428,6 +450,38 @@ describe("misc", () => {
);
});

it("Can create a random mint account prefunded", async () => {
mint = anchor.web3.Keypair.generate();
await program.rpc.testInitMint({
accounts: {
mint: mint.publicKey,
payer: program.provider.wallet.publicKey,
systemProgram: anchor.web3.SystemProgram.programId,
tokenProgram: TOKEN_PROGRAM_ID,
rent: anchor.web3.SYSVAR_RENT_PUBKEY,
},
signers: [mint],
instructions: [
anchor.web3.SystemProgram.transfer({
fromPubkey: program.provider.wallet.publicKey,
toPubkey: mint.publicKey,
lamports: 4039280,
}),
],
});
const client = new Token(
program.provider.connection,
mint.publicKey,
TOKEN_PROGRAM_ID,
program.provider.wallet.payer
);
const mintAccount = await client.getMintInfo();
assert.ok(mintAccount.decimals === 6);
assert.ok(
mintAccount.mintAuthority.equals(program.provider.wallet.publicKey)
);
});

it("Can create a random token account", async () => {
const token = anchor.web3.Keypair.generate();
await program.rpc.testInitToken({
Expand All @@ -454,4 +508,72 @@ describe("misc", () => {
assert.ok(account.owner.equals(program.provider.wallet.publicKey));
assert.ok(account.mint.equals(mint.publicKey));
});

it("Can create a random token with prefunding", async () => {
const token = anchor.web3.Keypair.generate();
await program.rpc.testInitToken({
accounts: {
token: token.publicKey,
mint: mint.publicKey,
payer: program.provider.wallet.publicKey,
systemProgram: anchor.web3.SystemProgram.programId,
tokenProgram: TOKEN_PROGRAM_ID,
rent: anchor.web3.SYSVAR_RENT_PUBKEY,
},
signers: [token],
instructions: [
anchor.web3.SystemProgram.transfer({
fromPubkey: program.provider.wallet.publicKey,
toPubkey: token.publicKey,
lamports: 4039280,
}),
],
});
const client = new Token(
program.provider.connection,
mint.publicKey,
TOKEN_PROGRAM_ID,
program.provider.wallet.payer
);
const account = await client.getAccountInfo(token.publicKey);
assert.ok(account.state === 1);
assert.ok(account.amount.toNumber() === 0);
assert.ok(account.isInitialized);
assert.ok(account.owner.equals(program.provider.wallet.publicKey));
assert.ok(account.mint.equals(mint.publicKey));
});

it("Can create a random token with prefunding under the rent exemption", async () => {
const token = anchor.web3.Keypair.generate();
await program.rpc.testInitToken({
accounts: {
token: token.publicKey,
mint: mint.publicKey,
payer: program.provider.wallet.publicKey,
systemProgram: anchor.web3.SystemProgram.programId,
tokenProgram: TOKEN_PROGRAM_ID,
rent: anchor.web3.SYSVAR_RENT_PUBKEY,
},
signers: [token],
instructions: [
anchor.web3.SystemProgram.transfer({
fromPubkey: program.provider.wallet.publicKey,
toPubkey: token.publicKey,
lamports: 1,
}),
],
});
const client = new Token(
program.provider.connection,
mint.publicKey,
TOKEN_PROGRAM_ID,
program.provider.wallet.payer
);
const account = await client.getAccountInfo(token.publicKey);
assert.ok(account.state === 1);
assert.ok(account.amount.toNumber() === 0);
assert.ok(account.isInitialized);
assert.ok(account.owner.equals(program.provider.wallet.publicKey));
assert.ok(account.mint.equals(mint.publicKey));
});
});
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