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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/viem/_esm/actions/public
Просмотр файла: call.js
import { parseAbi } from 'abitype';
import * as BlockOverrides from 'ox/BlockOverrides';
import { parseAccount, } from '../../accounts/utils/parseAccount.js';
import { multicall3Abi } from '../../constants/abis.js';
import { aggregate3Signature } from '../../constants/contract.js';
import { deploylessCallViaBytecodeBytecode, deploylessCallViaFactoryBytecode, multicall3Bytecode, } from '../../constants/contracts.js';
import { BaseError } from '../../errors/base.js';
import { ChainDoesNotSupportContract, ClientChainNotConfiguredError, } from '../../errors/chain.js';
import { CounterfactualDeploymentFailedError, RawContractError, } from '../../errors/contract.js';
import { decodeFunctionResult, } from '../../utils/abi/decodeFunctionResult.js';
import { encodeDeployData, } from '../../utils/abi/encodeDeployData.js';
import { encodeFunctionData, } from '../../utils/abi/encodeFunctionData.js';
import { getChainContractAddress, } from '../../utils/chain/getChainContractAddress.js';
import { numberToHex, } from '../../utils/encoding/toHex.js';
import { getCallError, } from '../../utils/errors/getCallError.js';
import { extract } from '../../utils/formatters/extract.js';
import { formatTransactionRequest, } from '../../utils/formatters/transactionRequest.js';
import { createBatchScheduler, } from '../../utils/promise/createBatchScheduler.js';
import { serializeStateOverride, } from '../../utils/stateOverride.js';
import { assertRequest } from '../../utils/transaction/assertRequest.js';
/**
* Executes a new message call immediately without submitting a transaction to the network.
*
* - Docs: https://viem.sh/docs/actions/public/call
* - JSON-RPC Methods: [`eth_call`](https://ethereum.org/en/developers/docs/apis/json-rpc/#eth_call)
*
* @param client - Client to use
* @param parameters - {@link CallParameters}
* @returns The call data. {@link CallReturnType}
*
* @example
* import { createPublicClient, http } from 'viem'
* import { mainnet } from 'viem/chains'
* import { call } from 'viem/public'
*
* const client = createPublicClient({
* chain: mainnet,
* transport: http(),
* })
* const data = await call(client, {
* account: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266',
* data: '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2',
* to: '0x70997970c51812dc3a010c7d01b50e0d17dc79c8',
* })
*/
export async function call(client, args) {
const { account: account_ = client.account, authorizationList, batch = Boolean(client.batch?.multicall), blockNumber, blockTag = client.experimental_blockTag ?? 'latest', accessList, blobs, blockOverrides, code, data: data_, factory, factoryData, gas, gasPrice, maxFeePerBlobGas, maxFeePerGas, maxPriorityFeePerGas, nonce, to, value, stateOverride, ...rest } = args;
const account = account_ ? parseAccount(account_) : undefined;
if (code && (factory || factoryData))
throw new BaseError('Cannot provide both `code` & `factory`/`factoryData` as parameters.');
if (code && to)
throw new BaseError('Cannot provide both `code` & `to` as parameters.');
// Check if the call is deployless via bytecode.
const deploylessCallViaBytecode = code && data_;
// Check if the call is deployless via a factory.
const deploylessCallViaFactory = factory && factoryData && to && data_;
const deploylessCall = deploylessCallViaBytecode || deploylessCallViaFactory;
const data = (() => {
if (deploylessCallViaBytecode)
return toDeploylessCallViaBytecodeData({
code,
data: data_,
});
if (deploylessCallViaFactory)
return toDeploylessCallViaFactoryData({
data: data_,
factory,
factoryData,
to,
});
return data_;
})();
try {
assertRequest(args);
const blockNumberHex = typeof blockNumber === 'bigint' ? numberToHex(blockNumber) : undefined;
const block = blockNumberHex || blockTag;
const rpcBlockOverrides = blockOverrides
? BlockOverrides.toRpc(blockOverrides)
: undefined;
const rpcStateOverride = serializeStateOverride(stateOverride);
const chainFormat = client.chain?.formatters?.transactionRequest?.format;
const format = chainFormat || formatTransactionRequest;
const request = format({
// Pick out extra data that might exist on the chain's transaction request type.
...extract(rest, { format: chainFormat }),
from: account?.address,
accessList,
authorizationList,
blobs,
data,
gas,
gasPrice,
maxFeePerBlobGas,
maxFeePerGas,
maxPriorityFeePerGas,
nonce,
to: deploylessCall ? undefined : to,
value,
});
if (batch &&
shouldPerformMulticall({ request }) &&
!rpcStateOverride &&
!rpcBlockOverrides) {
try {
return await scheduleMulticall(client, {
...request,
blockNumber,
blockTag,
});
}
catch (err) {
if (!(err instanceof ClientChainNotConfiguredError) &&
!(err instanceof ChainDoesNotSupportContract))
throw err;
}
}
const params = (() => {
const base = [
request,
block,
];
if (rpcStateOverride && rpcBlockOverrides)
return [...base, rpcStateOverride, rpcBlockOverrides];
if (rpcStateOverride)
return [...base, rpcStateOverride];
if (rpcBlockOverrides)
return [...base, {}, rpcBlockOverrides];
return base;
})();
const response = await client.request({
method: 'eth_call',
params,
});
if (response === '0x')
return { data: undefined };
return { data: response };
}
catch (err) {
const data = getRevertErrorData(err);
// Check for CCIP-Read offchain lookup signature.
const { offchainLookup, offchainLookupSignature } = await import('../../utils/ccip.js');
if (client.ccipRead !== false &&
data?.slice(0, 10) === offchainLookupSignature &&
to)
return { data: await offchainLookup(client, { data, to }) };
// Check for counterfactual deployment error.
if (deploylessCall && data?.slice(0, 10) === '0x101bb98d')
throw new CounterfactualDeploymentFailedError({ factory });
throw getCallError(err, {
...args,
account,
chain: client.chain,
});
}
}
// We only want to perform a scheduled multicall if:
// - The request has calldata,
// - The request has a target address,
// - The target address is not already the aggregate3 signature,
// - The request has no other properties (`nonce`, `gas`, etc cannot be sent with a multicall).
function shouldPerformMulticall({ request }) {
const { data, to, ...request_ } = request;
if (!data)
return false;
if (data.startsWith(aggregate3Signature))
return false;
if (!to)
return false;
if (Object.values(request_).filter((x) => typeof x !== 'undefined').length > 0)
return false;
return true;
}
async function scheduleMulticall(client, args) {
const { batchSize = 1024, deployless = false, wait = 0, } = typeof client.batch?.multicall === 'object' ? client.batch.multicall : {};
const { blockNumber, blockTag = client.experimental_blockTag ?? 'latest', data, to, } = args;
const multicallAddress = (() => {
if (deployless)
return null;
if (args.multicallAddress)
return args.multicallAddress;
if (client.chain) {
return getChainContractAddress({
blockNumber,
chain: client.chain,
contract: 'multicall3',
});
}
throw new ClientChainNotConfiguredError();
})();
const blockNumberHex = typeof blockNumber === 'bigint' ? numberToHex(blockNumber) : undefined;
const block = blockNumberHex || blockTag;
const { schedule } = createBatchScheduler({
id: `${client.uid}.${block}`,
wait,
shouldSplitBatch(args) {
const size = args.reduce((size, { data }) => size + (data.length - 2), 0);
return size > batchSize * 2;
},
fn: async (requests) => {
const calls = requests.map((request) => ({
allowFailure: true,
callData: request.data,
target: request.to,
}));
const calldata = encodeFunctionData({
abi: multicall3Abi,
args: [calls],
functionName: 'aggregate3',
});
const data = await client.request({
method: 'eth_call',
params: [
{
...(multicallAddress === null
? {
data: toDeploylessCallViaBytecodeData({
code: multicall3Bytecode,
data: calldata,
}),
}
: { to: multicallAddress, data: calldata }),
},
block,
],
});
return decodeFunctionResult({
abi: multicall3Abi,
args: [calls],
functionName: 'aggregate3',
data: data || '0x',
});
},
});
const [{ returnData, success }] = await schedule({ data, to });
if (!success)
throw new RawContractError({ data: returnData });
if (returnData === '0x')
return { data: undefined };
return { data: returnData };
}
function toDeploylessCallViaBytecodeData(parameters) {
const { code, data } = parameters;
return encodeDeployData({
abi: parseAbi(['constructor(bytes, bytes)']),
bytecode: deploylessCallViaBytecodeBytecode,
args: [code, data],
});
}
function toDeploylessCallViaFactoryData(parameters) {
const { data, factory, factoryData, to } = parameters;
return encodeDeployData({
abi: parseAbi(['constructor(address, bytes, address, bytes)']),
bytecode: deploylessCallViaFactoryBytecode,
args: [to, data, factory, factoryData],
});
}
/** @internal */
export function getRevertErrorData(err) {
if (!(err instanceof BaseError))
return undefined;
const error = err.walk();
return typeof error?.data === 'object' ? error.data?.data : error.data;
}
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