viem
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JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.estimateGas = estimateGas;
const parseAccount_js_1 = require("../../accounts/utils/parseAccount.js");
const base_js_1 = require("../../errors/base.js");
const recoverAuthorizationAddress_js_1 = require("../../utils/authorization/recoverAuthorizationAddress.js");
const toHex_js_1 = require("../../utils/encoding/toHex.js");
const getEstimateGasError_js_1 = require("../../utils/errors/getEstimateGasError.js");
const extract_js_1 = require("../../utils/formatters/extract.js");
const transactionRequest_js_1 = require("../../utils/formatters/transactionRequest.js");
const stateOverride_js_1 = require("../../utils/stateOverride.js");
const assertRequest_js_1 = require("../../utils/transaction/assertRequest.js");
const prepareTransactionRequest_js_1 = require("../wallet/prepareTransactionRequest.js");
const getBalance_js_1 = require("./getBalance.js");
async function estimateGas(client, args) {
const { account: account_ = client.account } = args;
const account = account_ ? (0, parseAccount_js_1.parseAccount)(account_) : undefined;
try {
const { accessList, authorizationList, blobs, blobVersionedHashes, blockNumber, blockTag, data, gas, gasPrice, maxFeePerBlobGas, maxFeePerGas, maxPriorityFeePerGas, nonce, value, stateOverride, ...rest } = (await (0, prepareTransactionRequest_js_1.prepareTransactionRequest)(client, {
...args,
parameters: account?.type === 'local' ? undefined : ['blobVersionedHashes'],
}));
const blockNumberHex = blockNumber ? (0, toHex_js_1.numberToHex)(blockNumber) : undefined;
const block = blockNumberHex || blockTag;
const rpcStateOverride = (0, stateOverride_js_1.serializeStateOverride)(stateOverride);
const to = await (async () => {
if (rest.to)
return rest.to;
if (authorizationList && authorizationList.length > 0)
return await (0, recoverAuthorizationAddress_js_1.recoverAuthorizationAddress)({
authorization: authorizationList[0],
}).catch(() => {
throw new base_js_1.BaseError('`to` is required. Could not infer from `authorizationList`');
});
return undefined;
})();
(0, assertRequest_js_1.assertRequest)(args);
const chainFormat = client.chain?.formatters?.transactionRequest?.format;
const format = chainFormat || transactionRequest_js_1.formatTransactionRequest;
const request = format({
...(0, extract_js_1.extract)(rest, { format: chainFormat }),
from: account?.address,
accessList,
authorizationList,
blobs,
blobVersionedHashes,
data,
gas,
gasPrice,
maxFeePerBlobGas,
maxFeePerGas,
maxPriorityFeePerGas,
nonce,
to,
value,
});
function estimateGas_rpc(parameters) {
const { block, request, rpcStateOverride } = parameters;
return client.request({
method: 'eth_estimateGas',
params: rpcStateOverride
? [request, block ?? 'latest', rpcStateOverride]
: block
? [request, block]
: [request],
});
}
let estimate = BigInt(await estimateGas_rpc({ block, request, rpcStateOverride }));
if (authorizationList) {
const value = await (0, getBalance_js_1.getBalance)(client, { address: request.from });
const estimates = await Promise.all(authorizationList.map(async (authorization) => {
const { address } = authorization;
const estimate = await estimateGas_rpc({
block,
request: {
authorizationList: undefined,
data,
from: account?.address,
to: address,
value: (0, toHex_js_1.numberToHex)(value),
},
rpcStateOverride,
}).catch(() => 100000n);
return 2n * BigInt(estimate);
}));
estimate += estimates.reduce((acc, curr) => acc + curr, 0n);
}
return estimate;
}
catch (err) {
throw (0, getEstimateGasError_js_1.getEstimateGasError)(err, {
...args,
account,
chain: client.chain,
});
}
}
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