forked from coral-xyz/anchor
/
rpc.ts
289 lines (268 loc) · 6.59 KB
/
rpc.ts
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import { Buffer } from "buffer";
import {
AccountInfo,
AccountMeta,
Connection,
PublicKey,
TransactionSignature,
Transaction,
TransactionInstruction,
Commitment,
Signer,
RpcResponseAndContext,
SimulatedTransactionResponse,
SendTransactionError,
Context,
} from "@solana/web3.js";
import { chunks } from "../utils/common.js";
import { Address, translateAddress } from "../program/common.js";
import Provider, { getProvider } from "../provider.js";
import {
type as pick,
number,
string,
array,
boolean,
literal,
union,
optional,
nullable,
coerce,
create,
unknown,
any,
Struct,
} from "superstruct";
/**
* Sends a transaction to a program with the given accounts and instruction
* data.
*/
export async function invoke(
programId: Address,
accounts?: Array<AccountMeta>,
data?: Buffer,
provider?: Provider
): Promise<TransactionSignature> {
programId = translateAddress(programId);
if (!provider) {
provider = getProvider();
}
const tx = new Transaction();
tx.add(
new TransactionInstruction({
programId,
keys: accounts ?? [],
data,
})
);
if (provider.sendAndConfirm === undefined) {
throw new Error(
"This function requires 'Provider.sendAndConfirm' to be implemented."
);
}
return await provider.sendAndConfirm(tx, []);
}
const GET_MULTIPLE_ACCOUNTS_LIMIT: number = 99;
export async function getMultipleAccounts(
connection: Connection,
publicKeys: PublicKey[],
commitment?: Commitment
): Promise<
Array<null | { publicKey: PublicKey; account: AccountInfo<Buffer> }>
> {
const results = await getMultipleAccountsAndContext(
connection,
publicKeys,
commitment
);
return results.map((result) => {
return result
? { publicKey: result.publicKey, account: result.account }
: null;
});
}
export async function getMultipleAccountsAndContext(
connection: Connection,
publicKeys: PublicKey[],
commitment?: Commitment
): Promise<
Array<null | {
context: Context;
publicKey: PublicKey;
account: AccountInfo<Buffer>;
}>
> {
if (publicKeys.length <= GET_MULTIPLE_ACCOUNTS_LIMIT) {
return await getMultipleAccountsAndContextCore(
connection,
publicKeys,
commitment
);
} else {
const batches = chunks(publicKeys, GET_MULTIPLE_ACCOUNTS_LIMIT);
const results = await Promise.all<
Array<null | {
publicKey: PublicKey;
account: AccountInfo<Buffer>;
context: Context;
}>
>(
batches.map((batch) =>
getMultipleAccountsAndContextCore(connection, batch, commitment)
)
);
return results.flat();
}
}
async function getMultipleAccountsAndContextCore(
connection: Connection,
publicKeys: PublicKey[],
commitmentOverride?: Commitment
): Promise<
Array<null | {
publicKey: PublicKey;
account: AccountInfo<Buffer>;
context: Context;
}>
> {
const commitment = commitmentOverride ?? connection.commitment;
const { value: accountInfos, context } =
await connection.getMultipleAccountsInfoAndContext(publicKeys, commitment);
const accounts = accountInfos.map((account, idx) => {
if (account === null) {
return null;
}
return {
publicKey: publicKeys[idx],
account,
context,
};
});
return accounts;
}
// copy from @solana/web3.js that has a commitment param
export async function simulateTransaction(
connection: Connection,
transaction: Transaction,
signers?: Array<Signer>,
commitment?: Commitment,
includeAccounts?: boolean | Array<PublicKey>
): Promise<RpcResponseAndContext<SimulatedTransactionResponse>> {
if (signers && signers.length > 0) {
transaction.sign(...signers);
}
// @ts-expect-error
const message = transaction._compile();
const signData = message.serialize();
// @ts-expect-error
const wireTransaction = transaction._serialize(signData);
const encodedTransaction = wireTransaction.toString("base64");
const config: any = {
encoding: "base64",
commitment: commitment ?? connection.commitment,
};
if (includeAccounts) {
const addresses = (
Array.isArray(includeAccounts) ? includeAccounts : message.nonProgramIds()
).map((key) => key.toBase58());
config["accounts"] = {
encoding: "base64",
addresses,
};
}
if (signers && signers.length > 0) {
config.sigVerify = true;
}
const args = [encodedTransaction, config];
// @ts-expect-error
const unsafeRes = await connection._rpcRequest("simulateTransaction", args);
const res = create(unsafeRes, SimulatedTransactionResponseStruct);
if ("error" in res) {
let logs;
if ("data" in res.error) {
logs = res.error.data?.logs;
if (logs && Array.isArray(logs)) {
const traceIndent = "\n ";
const logTrace = traceIndent + logs.join(traceIndent);
console.error(res.error.message, logTrace);
}
}
throw new SendTransactionError(
"failed to simulate transaction: " + res.error.message,
logs
);
}
return res.result;
}
// copy from @solana/web3.js
function jsonRpcResult<T, U>(schema: Struct<T, U>) {
return coerce(createRpcResult(schema), UnknownRpcResult, (value) => {
if ("error" in value) {
return value;
} else {
return {
...value,
result: create(value.result, schema),
};
}
});
}
// copy from @solana/web3.js
const UnknownRpcResult = createRpcResult(unknown());
// copy from @solana/web3.js
function createRpcResult<T, U>(result: Struct<T, U>) {
return union([
pick({
jsonrpc: literal("2.0"),
id: string(),
result,
}),
pick({
jsonrpc: literal("2.0"),
id: string(),
error: pick({
code: unknown(),
message: string(),
data: optional(any()),
}),
}),
]);
}
// copy from @solana/web3.js
function jsonRpcResultAndContext<T, U>(value: Struct<T, U>) {
return jsonRpcResult(
pick({
context: pick({
slot: number(),
}),
value,
})
);
}
// copy from @solana/web3.js
const SimulatedTransactionResponseStruct = jsonRpcResultAndContext(
pick({
err: nullable(union([pick({}), string()])),
logs: nullable(array(string())),
accounts: optional(
nullable(
array(
nullable(
pick({
executable: boolean(),
owner: string(),
lamports: number(),
data: array(string()),
rentEpoch: optional(number()),
})
)
)
)
),
unitsConsumed: optional(number()),
})
);
export type SuccessfulTxSimulationResponse = Omit<
SimulatedTransactionResponse,
"err"
>;